Hydrogen peroxide impact vaporization sterilizerTechnical Field
The invention relates to the technical field of disinfection equipment, in particular to a hydrogen peroxide impact vaporization disinfector.
Background
In the experimental animal industry and the pharmaceutical field, the equipment must be strictly sterilized, at present, small-scale experimental equipment such as a biosafety cabinet, an IVC host, an IVC cage, a carbon dioxide incubator, a small freeze dryer, a sterile processing small isolator and the like are usually sterilized manually, formaldehyde fumigation is mostly selected for sterilization, but formaldehyde has the following problems: 1. formaldehyde has a strong adverse effect on human health, and the health of workers can be seriously affected by fumigation of formaldehyde; 2. the formaldehyde has strong pungent smell and is difficult to dissipate in a short time; 3. the formaldehyde fumigation mode is inconvenient for sterilizing large-sized container equipment. From the above, formaldehyde fumigation has been gradually eliminated, and healthy and non-irritating automatic disinfection equipment will become the development direction of disinfection in the future.
Disclosure of Invention
The invention aims to provide the hydrogen peroxide impact vaporization sterilizer which has the advantages of no residue, thorough sterilization and high efficiency, and can ensure that the whole sterilization process is in a safe environment, so that the health of staff is ensured.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a hydrogen peroxide impact vaporization sterilizer, includes the pedestal, is equipped with the box on the pedestal, and the lateral part of box is equipped with a plurality of bleeder vents, installs hydrogen peroxide vaporization generation mechanism on the box, hydrogen peroxide vaporization generation mechanism includes liquid storage pot, peristaltic pump, fan, rifle head connecting pipe, rifle head connecting seat, rifle head fixed cover and nozzle, be equipped with the cylindricality chamber on the box, the liquid storage pot sets up in the cylindricality chamber, be equipped with first mounting panel and second mounting panel in the box, peristaltic pump and fan are installed respectively on first mounting panel and second mounting panel, rifle head connecting pipe is connected in the air outlet department of fan, and rifle head connecting seat sets up at rifle head connecting pipe outer end, rifle head fixed cover is established in rifle head connecting seat periphery and rifle head fixed cover outer end is equipped with inwards circumference extension's spacing portion, spacing portion is used for pressing the nozzle to establish at rifle head connecting seat exit, the nozzle middle part is equipped with the liquid outlet hole, and the position that is located around the liquid outlet hole on the nozzle is the array and distributes a plurality of runner of giving vent to anger, the input end of peristaltic pump is connected with the peristaltic pump through inlet channel and peristaltic pump looks outlet pipe, the output pipeline looks peristaltic pump is connected with the end that the peristaltic pump is connected to the end of going out liquid pipe, the end is far away from the oral siphon.
Through adopting above-mentioned technical scheme, peristaltic pump and fan simultaneous working, wherein, peristaltic pump passes through the hydrogen peroxide liquid in the feed liquor pipeline absorption liquid storage pot, rethread drain pipe is with hydrogen peroxide liquid discharge and by the liquid outlet on the nozzle blowout, simultaneously, the fan is with the wind bulge, loop through rifle head connecting pipe, rifle head connecting seat, form high-pressure air current after entering the nozzle, finally blow out and break up hydrogen peroxide liquid and make its vaporization be the spraying form by a plurality of runners of giving vent to anger on the nozzle, do benefit to its quick filling up the space that needs the disinfection, have no residue, the thorough and efficient advantage of disinfection, can guarantee that whole disinfection and sterilization process is in the safe environment, make staff's healthy guarantee.
The invention is further arranged that the track of the air outlet flow channel is gradually arranged from the outer circumference to the inner circumference and gradually extends from the inner end to the outer end.
Through adopting above-mentioned technical scheme, can produce the stranded spiral air current, make the hydrogen peroxide diffusion scope of vaporization bigger to promote disinfection effect and disinfection efficiency.
The invention is further arranged that the liquid outlet pipeline is connected with the nozzle through a pretreatment vaporization joint, a first external thread part is arranged on the periphery of one end, close to the nozzle, of the pretreatment vaporization joint, a first screw hole coaxial with the liquid outlet hole is arranged at the inner end of the nozzle, the first external thread part is in threaded fit with the first screw hole, a first limit step for limiting the pretreatment vaporization joint axially is formed between the first screw hole and the liquid outlet hole, a second screw hole is arranged at one end, far away from the nozzle, of the pretreatment vaporization joint, a threaded joint in threaded connection with the second screw hole is arranged on the liquid outlet pipeline, and a first hexagonal action part is arranged on the periphery of the pretreatment vaporization joint; the inner of the second screw hole is provided with a converging cavity, the middle part of the inner end of the converging cavity is provided with an injection runner, one end of the pretreatment vaporizing joint close to the nozzle is provided with a flaring, a jet flow channel is arranged between the flaring and the injection runner, the injection runner sequentially comprises a large-aperture part, a conical shrinkage part and a small-aperture part from inside to outside, the cross section area of the conical shrinkage part gradually becomes smaller from inside to outside, a plurality of opposite flushing runners are distributed on the pretreatment vaporizing joint in a circumferential array by taking the injection runner as a center, two ends of the opposite flushing runners are respectively communicated with the flaring and the backflow cavity, the part of the opposite flushing runner close to the flaring is obliquely arranged towards the direction close to the jet flow channel, and the diameter of the opposite flushing runner is smaller than that of the small-aperture part.
Through adopting above-mentioned technical scheme, set up the pretreatment vaporization joint between drain pipe and nozzle and carry out the preliminary treatment to the hydrogen peroxide solution, after the hydrogen peroxide solution enters into the chamber that converges promptly, a part of hydrogen peroxide solution is spouted by the injection runner, the injection runner includes big aperture portion from inside to outside in proper order, toper constriction portion and aperture portion, make the hydrogen peroxide solution form high-pressure rivers, simultaneously, another part of hydrogen peroxide solution is spouted by a plurality of to the flow channel, a plurality of to flow channel spun hydrogen peroxide solution dashes the high-pressure rivers in middle part, initially form vaporific hydrogen peroxide, make it more easily by the scattering of stranded spiral air current when punching out the drain hole of nozzle, after the secondary treatment to the hydrogen peroxide solution, can show the vaporization effect that promotes the hydrogen peroxide.
The jet flow channel is further provided with a fluctuation cavity coaxially arranged in the jet flow channel, the middle part of the fluctuation cavity is cylindrical, two ends of the fluctuation cavity are of a shrinkage structure, a plurality of annular flow blocking flanges are uniformly arranged on the inner wall of the fluctuation cavity along the radial direction, and annular reflecting grooves with triangular sections are formed in the inner periphery of the annular flow blocking flanges along the circumferential direction.
By adopting the technical scheme, the high-speed water flow in the jet flow channel can generate certain radial air flow, the radial air flow is disturbed under the action of the annular reflection groove, and certain damage is generated to the high-speed water flow, so that the subsequent vaporization of the hydrogen peroxide solution is facilitated.
The invention is further arranged that the gun head connecting pipe is internally and in threaded connection with a supporting ring and two locking rings, the two locking rings respectively prop against two ends of the supporting ring, the supporting ring is connected with a guide ring used for a liquid outlet pipeline to pass through a connecting arm, and a plurality of damping rings used for propping against the outer wall of the liquid outlet pipeline are radially arranged on the inner wall of the guide ring; a plurality of operation convex parts are arranged on the locking ring, and process holes for embedding tools are formed in the operation convex parts; the periphery of the guide ring is provided with a second hexagonal action part.
Through adopting above-mentioned technical scheme, the guide ring on the support ring can play the effect of direction and support to the drain pipe, and two locking rings can play the effect that promotes support ring installation fastness, and its structure dismouting is very convenient, does benefit to the maintenance operation in later stage.
The liquid storage tank is further provided with a tank body and a spiral cover, wherein the spiral cover is screwed on the upper opening of the tank body, and the upper end of the spiral cover is provided with a cover hole for a liquid inlet pipeline to pass through; the utility model discloses a jar of internal portion of liquid inlet pipe, including jar body, the upper end of liquid inlet pipe is provided with the spacing piece, the spacing piece presss from both sides to establish between jar body upper opening border and spiral cover inner top wall, the liquid inlet pipe stretches into jar internal portion's one end still is equipped with the balancing weight.
Through adopting above-mentioned technical scheme, can promote the steadiness of feed liquor pipeline installation, make the feed liquor pipeline stretch into the inside one end of jar body and remain in jar body inner chamber bottom all the time to can guarantee that peristaltic pump can effectively extract the hydrogen peroxide solution of jar body inside.
The invention is further characterized in that two fixing rings are arranged on the periphery of the lower end of the gun head fixing sleeve, the fixing rings at the upper end are propped against the inner wall of the box body, the upper end of the gun head connecting pipe is a conical pipe sleeve part with a large upper part and a small lower part, the bottom of the gun head connecting seat is provided with an arc-shaped convex part extending along the circumferential direction, and when the two fixing rings are screwed, the gun head fixing sleeve extrudes the gun head connecting seat to enable the arc-shaped convex part at the bottom of the gun head connecting seat to be tightly attached to the inner wall of the conical pipe sleeve part.
Through adopting above-mentioned technical scheme, can realize the firm installation of rifle head connecting seat, and the dismouting is very convenient, does benefit to the maintenance operation in earlier stage equipment and later stage.
The invention is further provided that a second limiting step for axially limiting the nozzle is arranged at the part, close to the opening, of the inner wall of the gun head connecting seat; the outer wall of the nozzle is provided with a sealing groove along the circumferential direction, and a sealing ring used for forming sealing fit with the inner wall of the gun head connecting seat is embedded in the sealing groove.
Through adopting above-mentioned technical scheme, the fixed cover of rifle head can be with the nozzle pressure on the spacing step of second, through the leakproofness between sealing washer nozzle and the rifle head connecting seat simultaneously, the dismouting is very convenient.
The invention is further characterized in that the seat body is provided with a storage cavity, a standby tank is arranged in the storage cavity, the seat body is also provided with an inlet and an outlet communicated with the storage cavity, and the inlet and the outlet are hinged with a door plate.
By adopting the technical scheme, the hydrogen peroxide solution is stored in the standby tank, so that the hydrogen peroxide solution in the liquid storage tank can be conveniently and rapidly replenished when the hydrogen peroxide solution is used up.
The invention is further characterized in that the bottom of the base body is provided with a plurality of universal wheels, the upper part of the base body is provided with a protective bracket surrounding the periphery of the box body, and the protective bracket is also provided with a pushing handle.
By adopting the technical scheme, the whole sterilizer is greatly convenient to carry and operate, so that the sterilizer can be rapidly moved in various occasions.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the liquid storage tank and the spare tank of the present invention;
FIG. 3 is a schematic view of the hydrogen peroxide vaporization generating mechanism of the present invention;
FIG. 4 is a cross-sectional view of a nozzle mounting structure of the present invention;
FIG. 5 is a schematic view of a first view of the nozzle of the present invention;
FIG. 6 is a schematic view of a second view of the nozzle of the present invention;
FIG. 7 is a schematic view of the structure of a preconditioning vaporization joint of the present invention;
FIG. 8 is a cross-sectional view of a preconditioning vaporization joint of the present invention;
FIG. 9 is a schematic view of the structure of the support ring and two locking rings of the present invention;
fig. 10 is a cross-sectional view of a fluid reservoir of the present invention.
In the figure: 1. a base; 2. a case; 3. ventilation holes; 4. a hydrogen peroxide vaporization generating mechanism; 5. a liquid storage tank; 6. a peristaltic pump; 7. a blower; 8. a gun head connecting pipe; 9. a gun head connecting seat; 10. a gun head fixing sleeve; 11. a nozzle; 12. a cylindrical cavity; 13. a first mounting plate; 14. a second mounting plate; 15. a limit part; 16. a liquid outlet hole; 17. a gas outlet flow passage; 18. a liquid inlet pipe; 19. a liquid outlet pipe; 20. a via hole; 21. pretreating the vaporization joint; 22. a first external thread portion; 23. a first screw hole; 24. a first limit step; 25. a second screw hole; 26. a threaded joint; 27. a first hexagonal acting portion; 28. a confluence chamber; 29. a jet flow passage; 30. flaring; 31. a jet channel; 32. a large aperture portion; 33. a tapered constriction; 34. a small aperture portion; 35. a convection channel; 36. a wave cavity; 37. an annular flow blocking flange; 38. an annular reflection groove; 39. a support ring; 40. a locking ring; 41. a connecting arm; 42. a guide ring; 43. a damping ring; 44. an operation convex portion; 45. a process hole; 46. a second hexagonal action portion; 47. a tank body; 48. screwing the cover; 49. a cover hole; 50. a limiting piece; 51. balancing weight; 52. a fixing ring; 53. a conical tube sleeve portion; 54. an arc-shaped convex part; 55. a second limit step; 56. sealing grooves; 57. a seal ring; 58. a storage chamber; 59. a standby tank; 60. an inlet and an outlet; 61. a door panel; 62. a universal wheel; 63. a protective bracket; 64. push handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: the invention provides a hydrogen peroxide impact vaporization sterilizer, as shown in figures 1-10, which comprises a base body 1, wherein a box body 2 is arranged on the base body 1, the box body 2 is fixed on the base body 1 through screws, a plurality of air holes 3 are formed in the side part of the box body 2, a hydrogen peroxide vaporization generating mechanism 4 is arranged on the box body 2, the hydrogen peroxide vaporization generating mechanism 4 comprises a liquid storage tank 5, a peristaltic pump 6, a fan 7, a gun head connecting pipe 8, a gun head connecting seat 9, a gun head fixing sleeve 10 and a nozzle 11, a cylindrical cavity 12 is arranged on the box body 2, the liquid storage tank 5 is arranged in the cylindrical cavity 12, a first mounting plate 13 and a second mounting plate 14 are arranged in the box body 2, the peristaltic pump 6 and the fan 7 are respectively arranged on the first mounting plate 13 and the second mounting plate 14 through screws, the gun head connecting pipe 8 is connected to an air outlet of the fan 7, the gun head connecting seat 9 is arranged at the outer end of the gun head connecting pipe 8, the gun head fixing sleeve 10 is sleeved on the outer periphery of the gun head connecting seat 9, the outer end of the gun head fixing sleeve 10 is provided with a limiting part 15 extending towards the inner periphery, the limiting part 15 is used for pressing a nozzle 11 at the outlet of the gun head connecting seat 9, a liquid outlet hole 16 is formed in the middle of the nozzle 11, a plurality of air outlet flow channels 17 are distributed on the nozzle 11 and are positioned around the liquid outlet hole 16 in a circumferential array manner, the optimal number of the air outlet flow channels 17 is 5 or 7, the input end of the peristaltic pump 6 is connected with the liquid storage tank 5 through a liquid inlet pipeline 18, the output end of the peristaltic pump 6 is connected with a liquid outlet pipeline 19, a through hole 20 is formed in the gun head connecting pipe 8, the liquid outlet pipeline 19 penetrates through the hole 20 to extend into the gun head connecting pipe 8, and one end of the liquid outlet pipeline 19, which is far away from the peristaltic pump 6, is connected with the liquid outlet hole 16. During the use, peristaltic pump 6 and fan 7 simultaneous operation, wherein, peristaltic pump 6 passes through the hydrogen peroxide liquid in the feed liquor pipeline 18 absorption liquid storage pot 5, rethread drain pipe 19 discharges hydrogen peroxide liquid and spouts by the play liquid hole 16 on the nozzle 11, simultaneously, fan 7 is bloied with the wind, it is connected 8, rifle head connecting seat 9 to loop through the rifle head, form high-pressure air current after getting into nozzle 11, finally blow out and break away hydrogen peroxide liquid and make its vaporization form the spraying form by a plurality of runner 17 that give vent to anger on the nozzle 11, do benefit to it and be full of the space that needs the disinfection fast, have no residue, the thorough and efficient advantage of disinfection and sterilization, can guarantee that whole disinfection and sterilization process is in the secure environment, make staff's health obtain the guarantee.
Wherein, the track of the air outlet flow channel 17 is gradually arranged from the outer circumference to the inner circumference and gradually extends from the inner end to the outer end, i.e. the track is in an arc shape. The design can generate a plurality of spiral airflows, so that the vaporized hydrogen peroxide has a larger diffusion range, and the disinfection effect and the disinfection efficiency are improved.
As shown in fig. 4 to 8, the liquid outlet pipe 19 is connected with the nozzle 11 through a pretreatment vaporization joint 21, a first external thread part 22 is arranged on the periphery of one end of the pretreatment vaporization joint 21, which is close to the nozzle 11, a first screw hole 23 coaxial with the liquid outlet hole 16 is arranged on the inner end of the nozzle 11, the first external thread part 22 is in threaded fit with the first screw hole 23, a first limit step 24 for limiting the axial direction of the pretreatment vaporization joint 21 is formed between the first screw hole 23 and the liquid outlet hole 16, a second screw hole 25 is arranged on one end, far away from the nozzle 11, of the pretreatment vaporization joint 21, a threaded joint 26 in threaded connection with the second screw hole 25 is arranged on the liquid outlet pipe 19, a first hexagonal action part 27 is arranged on the periphery of the pretreatment vaporization joint 21, and the first hexagonal action part 27 and the pretreatment vaporization joint 21 are of an integral structure; the inner end of the second screw hole 25 is provided with a converging cavity 28, the middle part of the inner end of the converging cavity 28 is provided with an injection runner 29, one end of the pretreatment vaporization joint 21 close to the nozzle 11 is provided with a flaring 30, a jet flow channel 31 is arranged between the flaring 30 and the injection runner 29, the injection runner 29 sequentially comprises a large aperture part 32, a conical contraction part 33 and a small aperture part 34 from inside to outside, the cross section area of the conical contraction part 33 gradually becomes smaller from inside to outside, a plurality of opposite flushing runners 35 are distributed on the pretreatment vaporization joint 21 in a circumferential array with the injection runner 29 as a center, two ends of the opposite flushing runners 35 are respectively communicated with the flaring 30 and the backflow cavity, the part of the opposite flushing runner 35 close to the flaring 30 is obliquely arranged towards the direction close to the jet flow channel 31, and the diameter of the opposite flushing runner 35 is smaller than that of the small aperture part 34. The pretreatment vaporization joint 21 is arranged between the liquid outlet pipeline 19 and the nozzle 11 to pretreat the hydrogen peroxide solution, namely, after the hydrogen peroxide solution enters the confluence cavity 28, part of the hydrogen peroxide solution is sprayed out by the spray runner 29, the spray runner 29 sequentially comprises a large aperture part 32, a conical shrinkage part 33 and a small aperture part 34 from inside to outside, so that the hydrogen peroxide solution forms high-pressure water flow, and meanwhile, the other part of the hydrogen peroxide solution is sprayed out by the plurality of opposite flow channels 35, and the hydrogen peroxide solution sprayed out by the plurality of opposite flow channels 35 shoots the high-pressure water flow in the middle part to form atomized hydrogen peroxide preliminarily, so that the atomized hydrogen peroxide is easier to be scattered by a plurality of spiral airflows when the atomized hydrogen peroxide solution is punched out of the liquid outlet hole 16 of the nozzle 11, and the vaporization effect of the hydrogen peroxide can be remarkably improved after the secondary treatment of the hydrogen peroxide solution.
As shown in fig. 8, the jet channel 31 is coaxially provided with a wave cavity 36, the middle part of the wave cavity 36 is cylindrical, two ends of the wave cavity are in a contracted structure, a plurality of annular flow blocking flanges 37 are uniformly arranged on the inner wall of the wave cavity 36 along the radial direction, and an annular reflection groove 38 with a triangular cross section is formed in the inner circumference of the annular flow blocking flanges 37 along the circumferential direction. The high-speed water flow in the jet channel 31 can generate a certain radial air flow, the radial air flow is disturbed under the action of the annular reflecting groove 38, and a certain damage is generated to the high-speed water flow, so that the subsequent vaporization of the hydrogen peroxide solution is facilitated.
As shown in fig. 4 and fig. 9, the gun head connecting pipe 8 is internally connected with a supporting ring 39 and two locking rings 40 in a threaded manner, the two locking rings 40 respectively prop against two ends of the supporting ring 39, the supporting ring 39 is connected with a guide ring 42 for passing through the liquid outlet pipe 19 through a connecting arm 41, and a plurality of damping rings 43 for propping against the outer wall of the liquid outlet pipe 19 are radially arranged on the inner wall of the guide ring 42; a plurality of operation convex parts 44 are arranged on the locking ring 40, process holes 45 for embedding tools are formed in the operation convex parts 44, the tools can be inserted into the process holes 45 to apply force circumferentially, the locking ring 40 is driven to rotate, and the locking ring 40 is dismounted; the outer periphery of the guide ring 42 is provided with a second hexagonal operating portion 46. The guide ring 42 on the support ring 39 can play a role in guiding and supporting the liquid outlet pipeline 19, and the two locking rings 40 can play a role in improving the installation firmness of the support ring 39, so that the structure is quite convenient to disassemble and assemble, and the later maintenance operation is facilitated.
As shown in fig. 10, the liquid storage tank 5 includes a tank body 47 and a screw cap 48, the screw cap 48 is screwed on the upper opening of the tank body 47, and a cap hole 49 for the liquid inlet pipe 18 to pass through is formed at the upper end of the screw cap 48; the liquid inlet pipeline 18 is integrally provided with a limiting piece 50, the limiting piece 50 is clamped between the edge of the upper opening of the tank body 47 and the inner top wall of the spiral cover 48, one end of the liquid inlet pipeline 18 extending into the tank body 47 is also provided with a balancing weight 51, and the balancing weight 51 can be integrally structured with the liquid inlet pipeline 18 or be a ceramic block welded on the liquid inlet pipeline 18. The design can promote the steadiness of feed liquor pipeline 18 installation, makes the feed liquor pipeline 18 stretch into the inside one end of jar body 47 and remains in jar body 47 inner chamber bottom all the time to can guarantee peristaltic pump 6 can effectively extract the hydrogen peroxide solution of jar body 47 inside.
As shown in fig. 4, the outer periphery of the lower end of the gun head fixing sleeve 10 is provided with two fixing rings 52, the fixing ring 52 at the upper end is propped against the inner wall of the box body 2, the upper end of the gun head connecting pipe 8 is a conical pipe sleeve part 53 with a big upper part and a small lower part, the bottom of the gun head connecting seat 9 is provided with an arc-shaped convex part 54 extending along the circumferential direction, and when the two fixing rings 52 are screwed, the gun head fixing sleeve 10 extrudes the gun head connecting seat 9 to enable the arc-shaped convex part 54 at the bottom of the gun head connecting seat 9 to be tightly attached to the inner wall of the conical pipe sleeve part 53. The design can realize firm installation of the gun head connecting seat 9, is quite convenient to assemble and disassemble, and is beneficial to the assembly in the earlier stage and the maintenance operation in the later stage.
As shown in fig. 4, a second limiting step 55 for axially limiting the nozzle 11 is arranged at the position, close to the opening, of the inner wall of the gun head connecting seat 9; the outer wall of the nozzle 11 is provided with a sealing groove 56 along the circumferential direction, and a sealing ring 57 used for forming sealing fit with the inner wall of the gun head connecting seat 9 is embedded in the sealing groove 56. The gun head fixing sleeve 10 can press the nozzle 11 on the second limiting step 55, and meanwhile, the nozzle 11 and the gun head connecting seat 9 are convenient to assemble and disassemble due to the tightness between the sealing ring 57 and the gun head connecting seat 9.
As shown in fig. 1 and fig. 2, the seat body 1 is provided with a storage cavity 58, a standby tank 59 is arranged in the storage cavity 58, the seat body 1 is also provided with an inlet and outlet 60 communicated with the storage cavity 58, and the inlet and outlet 60 is hinged with a door plate 61. The reserve tank 59 stores the hydrogen peroxide solution so as to be replenished quickly when the hydrogen peroxide solution in the liquid storage tank 5 is used up.
As shown in fig. 1, the bottom of the base 1 is provided with a plurality of universal wheels 62, the upper part of the base 1 is provided with a protective bracket 63 surrounding the periphery of the box 2, and the protective bracket 63 is also provided with a push handle 64. The design greatly facilitates the carrying operation of the whole sterilizer, so that the sterilizer can be rapidly moved in various occasions.