Disclosure of Invention
The application aims to reduce the air quantity of liquid brought into the siphon pipe in the process of liquid entering the siphon pipe, so that a siphon running water system can stably run for a long time.
In order to achieve the above object, the present application provides the following technical solutions:
a siphon flow system comprising:
The siphon comprises a U-shaped water inlet pipe, a water outlet pipe and a communicating pipe for connecting the U-shaped water inlet pipe and the water outlet pipe;
The spiral water slick device is arranged in the U-shaped water inlet pipe, and liquid flows through a spiral diversion path on the spiral water slick device;
and the water outlet pipe of the siphon pipe is inserted into the overflow groove.
In one embodiment, the spiral outside diameter of the spiral water slide is adapted to the inside diameter of the U-shaped inlet tube of the siphon tube.
In one embodiment, the bottom end of the spiral water slick device is suspended above the water seal liquid level of the U-shaped water inlet pipe.
In one embodiment, the spiral water slide includes:
A vertical center column;
and the spiral blades are arranged on the vertical center column so that liquid flows through a spiral diversion path formed by the spiral blades.
In one embodiment, the vertical center post is a vertical center tube.
In one embodiment, a preset number of air outlet holes are formed below the connection position of the vertical middle through pipe and the spiral blade.
In one embodiment, the height of the upper start of the helical blade is lower than the height of the top end of the vertical center post.
In one embodiment, the bottom end height of the water outlet end of the helical blade is not higher than the bottom end height of the vertical center column.
Further, the application also provides a drainage method, which adopts the siphon running water system according to any one of the technical schemes, wherein the drainage method comprises the following steps:
the siphon running water system is in a full water state in advance, and the siphon condition is met;
injecting liquid through the water inlet hole of the U-shaped water inlet pipe;
the liquid enters a U-shaped water inlet pipe of the siphon along a spiral diversion path of the spiral water slick device;
When the liquid level in the U-shaped water inlet pipe is higher than that in the overflow tank, the liquid enters the overflow tank through the communicating pipe of the siphon pipe under the siphon effect.
Further, the present application also provides a sewage treatment system, comprising:
the sewage treatment device and the siphon running water system in any technical scheme are connected with each other.
Compared with the prior art, the scheme of the application has the following advantages:
According to the siphon running water system provided by the application, the air quantity brought by liquid entering the U-shaped water inlet pipe is reduced through the spiral water slicers, so that the probability of generating bubbles in the U-shaped water inlet pipe is reduced, the probability of entering air in the siphon pipe is further reduced, and the normal operation of the siphon function of the siphon running water system is ensured.
According to the siphon running water system provided by the application, the spiral water slicers are utilized to introduce liquid into the U-shaped water inlet pipe from the outside of the U-shaped water inlet pipe, and the spiral blades with the inclined angles on the spiral water slicers are adopted to slide the liquid into the U-shaped water inlet pipe, so that the liquid is prevented from vertically falling to cause stronger impact on the water seal liquid level, bubbles are prevented from being formed in the existing liquid in the U-shaped water inlet pipe, and the air quantity introduced into the liquid in the liquid entering process is reduced.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
The siphon running water system can avoid air introduced in the process of liquid flowing into the siphon, and is beneficial to ensuring the normal action of the siphon function of the siphon.
Referring to fig. 1, a schematic structural diagram of a siphon water flowing system according to an embodiment of the present application includes:
A siphon pipe 10, wherein the siphon pipe 10 comprises a U-shaped water inlet pipe 11, a water outlet pipe 12 and a communicating pipe 13 for connecting the U-shaped water inlet pipe and the water outlet pipe;
A spiral water sliding device 20, wherein the spiral water sliding device 20 is arranged in the U-shaped water inlet pipe 11, and liquid flows through a spiral diversion path on the spiral water sliding device 20;
an overflow groove 30, wherein the water outlet pipe 12 of the siphon pipe 10 is inserted into the overflow groove 30.
The liquid provided by the application comprises water, medicament, mixed liquid and the like, wherein the liquid flows into the spiral water slide 20 from the water inlet of the siphon, flows into the U-shaped water inlet pipe 11 of the siphon along the spiral diversion path on the spiral water slide 20, the U-shaped water inlet pipe easily forms a liquid seal liquid level, and the water outlet pipe is inserted below the liquid level in the overflow groove to prevent air from entering the communicating pipe of the siphon from the water outlet pipe. The spiral water slide 20 can slow down the flow rate of liquid, reduce the air quantity carried by the liquid into the siphon pipe 10, and prevent the air from entering the siphon pipe 10 through the U-shaped water inlet pipe 11. Under the siphon effect, the liquid enters the overflow trough 30 through the outlet pipe 12 of the siphon pipe 10, so that the U-shaped inlet pipe 11 is kept consistent with the liquid level in the overflow trough 30.
According to the siphon running water system provided by the application, the air quantity introduced by liquid entering the U-shaped water inlet pipe is reduced or even stopped through the spiral water slicers, the probability of generating bubbles in the U-shaped water inlet pipe is reduced, the probability of entering air in the siphon pipe is further reduced, and the normal operation of the siphon function is ensured.
The scheme provided by the application can be applied to RPIR (Rapid Purification of sewage using sedimentation Integrated rectangular airlift loop Reactor, a rapid sewage purification technology of a coupling sedimentation rectangular airlift loop reactor) modules (or an aerobic three-phase separator), when RPIR adopts an upper water outlet mode, a siphon water flow system can be utilized, a water outlet overflow groove of each RPIR module is connected with a U-shaped water inlet pipe of the siphon, water outlet of the RPIR module falls into the U-shaped water inlet pipe of the siphon through the overflow groove, and water outlets of a plurality of RPIR modules are connected in parallel to form an integral siphon water flow system, and the scheme provided by the application introduces a siphon water flow system corresponding to a single RPIR module.
The spiral water slide 20 is schematically shown in fig. 2, and comprises a vertical central column 21 and spiral blades 22, wherein the spiral blades 22 are arranged on the vertical central column 21 so that liquid flows through a spiral diversion path formed by the spiral blades 22.
The liquid enters the container below through the bottom end of the spiral blade, the spiral blade prolongs the path length from the water inlet to the container below, the liquid flows downwards through the spiral diversion path formed by the spiral blade, the speed of flowing the liquid into the container is greatly reduced, the impact of the liquid falling to the bottom of the container is slowed down, and the problem that a large number of bubbles are generated in the liquid due to the fact that the liquid vertically falls down to the container below is avoided. Under the extrusion of the liquid, a part of air above the liquid level in the container flows upwards along the central column along the direction opposite to the flowing direction of the liquid, so that the problem that excessive air is brought into the liquid in the container when the liquid vertically flows into the container is solved.
It is worth noting that the outer edge of the helical blade provided by the application is the edge far away from the vertical central column, the inner edge of the helical blade is the edge close to the vertical central column, and the central column provided by the application is a solid column.
In order to facilitate the liquid to smoothly flow along the spiral diversion path formed by the spiral blades, in the scheme provided by the embodiment of the application, the height of the outer edge of the spiral blade is higher than that of the inner edge, so that the liquid on the spiral blade is concentrated to the vertical center column and flows into the U-shaped water inlet pipe along the spiral diversion path formed by the spiral blade and the vertical center column.
A schematic structure diagram of the spiral water sliding device provided by the embodiment is shown in fig. 3, a water baffle 24 is arranged on one side, far away from the vertical center column, of each spiral blade, the trend of the water baffle is consistent with that of each spiral blade, the height of the water baffle is set according to the specific situation, and the height of the water baffle does not exceed the pitch of each spiral blade. In the case where the water deflector is provided, the height of the outer edge and the height of the inner edge of the helical blade may be set to be uniform, or the outer edge and the inner edge of the helical blade may be set to be different in height.
The width of liquid flow is limited by the vertical center column and the water baffle, and the liquid flows to the U-shaped water inlet pipe through a spiral channel formed by the spiral blades, the vertical center column and the water baffle.
In one embodiment, the height of the beginning of the helical blade is lower than the height of the top end of the vertical central column, in such a way that the vertical central column can act as a water baffle on the inner edge side of the helical blade, and the flow of liquid is performed by using the helical flow guide channel formed by the vertical central column and the helical blade.
In one embodiment, the height of the bottom end of the water outlet end of the spiral blade is not higher than the height of the bottom end of the vertical center column, and the arrangement comprises the following two conditions that firstly, the height of the bottom end of the water outlet end of the spiral blade is consistent with the height of the bottom end of the vertical center column, namely, liquid falls into a container along the spiral direction of the spiral blade, and secondly, the height of the bottom end of the water outlet end of the spiral blade is lower than the height of the bottom end of the vertical center column, namely, the liquid exists on two water outlet surfaces, namely, one surface of the spiral blade in the extending direction and the other surface of the spiral blade close to the vertical center column.
The bottom of spiral water slick ware is the minimum of whole spiral water slick ware, and the bottom that the scheme of case one corresponds is the bottom of perpendicular center post, and the bottom that the scheme of case two corresponds is helical blade's bottom.
In the scheme provided by the embodiment of the application, the length of the spiral blade is prolonged, liquid enters the container below through the bottom end of the spiral blade, the path length from the water inlet to the container below is further prolonged, the impact of liquid falling to the bottom of the container is slowed down, and the air quantity brought by the liquid flowing into the container can be effectively reduced.
The schematic structure of the spiral water slick provided by one embodiment of the application is shown in fig. 4, the vertical central column is a vertical middle through pipe, air circulates in the vertical middle through pipe, liquid falls into the container through the spiral blade, and air in the container is discharged out of the container through a channel of the vertical middle through pipe through atmospheric pressure.
Further, as shown in fig. 4, a preset number of air outlet holes 23 are formed below the connection position of the vertical middle through pipe and the helical blade, so that air entering the container along the helical blade enters the vertical middle through pipe through the air outlet holes on the vertical middle through pipe in the falling process, and finally is discharged through the upper end of the vertical middle through pipe.
Preferably, the air outlet holes formed in the vertical middle through pipe are uniformly distributed, so that air carried by liquid can uniformly enter the vertical middle through pipe through the air outlet holes, the speed of exhausting the liquid to carry the air is improved, and the probability of the air entering the bottom of the container is reduced.
Preferably, the air outlet holes arranged on the vertical middle through pipe are uniformly distributed along the distribution direction of the helical blades, that is, the distribution mode of the air outlet holes on the vertical middle through pipe is the same as the trend of the helical blades, so that the speed of air discharged out of the container can be further improved, and the probability of air entering the bottom of the container is further reduced.
The solution provided by the above embodiment can effectively reduce the air amount carried by the liquid entering the container, and the inventor of the present application provides the following preferred solution through a great deal of exploration, so as to further optimize the effect of the spiral water slide.
In one embodiment, the pitch of the helical blade is 100mm-400mm, i.e. when the pitch of the helical blade is within the range, the air carried by the liquid flowing into the U-shaped water inlet pipe can be reduced to the greatest extent, and the pitch of the helical blade can be any value within the range, such as 100mm, 150mm, 200mm, 300mm, 400mm, etc.
Assuming that the helical blade corresponding to one pitch is one helix, the number of helices may be set according to the length of the vertical center post, which is not limited herein.
In one embodiment, the ratio of the helical outer diameter of the helical blade to the inner diameter of the vertical middle tube ranges from 2 to 10. Specifically, when the ratio of the outer diameter of the spiral to the inner diameter of the vertical middle tube is in the range of 2:1 to 10:1, the air in the U-shaped water inlet pipe can be discharged out of the container at the highest speed, and the ratio of the outer diameter of the spiral to the inner diameter of the vertical middle tube can be 2:1, 3:1, 5:1, 8:1 and the like.
Fig. 5 is a schematic diagram of a spiral water-sliding device provided in an embodiment and disposed on a U-shaped water inlet pipe, and fig. 5 also shows a flow path of liquid and air, wherein a bottom end of the spiral water-sliding device is disposed at a preset distance above a liquid seal level of the U-shaped water inlet pipe, and when the liquid in the U-shaped water inlet pipe is water, the liquid seal level is a water seal level, and a water seal level is taken as an example for illustration. The water inlet of the U-shaped water inlet pipe is connected with the water inlet end of the spiral blade of the spiral water slide device, the water inlet of the U-shaped water inlet pipe and the water inlet end of the spiral blade are in butt joint in a fixedly connection or detachable mode, liquid flows into the water inlet end of the spiral water slide device through the water inlet of the U-shaped water inlet pipe, flows along a spiral diversion path formed by the spiral blade, and enters the U-shaped water inlet pipe for receiving the liquid from the water outlet end of the spiral blade.
According to the siphon running water system provided by the application, the spiral water slicers are utilized to introduce liquid into the U-shaped water inlet pipe from the outside of the U-shaped water inlet pipe, the spiral blades with inclined angles on the spiral water slicers are adopted to slide the liquid into the U-shaped water inlet pipe, so that the liquid is prevented from vertically falling to cause stronger impact on the water seal liquid level, bubbles are prevented from being formed in the liquid in the U-shaped water inlet pipe, and the air quantity of the siphon introduced in the liquid entering process is reduced.
Further, the spiral outer diameter of the spiral water chute is matched with the inner diameter of the U-shaped water inlet pipe, namely, the spiral outer diameter of the spiral water chute is equal to or slightly smaller than the inner diameter of the U-shaped water inlet pipe, namely, the outer edge of the spiral water chute is connected with the inner wall of the U-shaped water inlet pipe, namely, the spiral outer diameter of the spiral water chute is slightly smaller than the inner diameter of the U-shaped water inlet pipe, such as that the distance between the spiral water chute and the U-shaped water inlet pipe is smaller than 2mm of the spiral outer diameter in the same horizontal direction, and the like, a vertical central column of the spiral water chute serves as a water baffle plate on one side, the inner wall of the U-shaped water inlet pipe serves as a water baffle plate on the other side, and the two water baffle plates and the spiral blades form a liquid circulation passage.
A schematic view of a spiral water slide according to another embodiment of the present application is shown in fig. 6, and the central point of the schematic view is that the outer edge of the spiral blade is lower than the inner edge of the spiral blade in the horizontal direction, and the inner wall of the U-shaped water inlet pipe and the outer edge of the spiral blade form a spiral diversion path through which the solution flows into the U-shaped water inlet pipe.
With reference to fig. 2-6, the liquid enters the U-shaped water inlet pipe along the above-mentioned flow channel, and the air carried by the liquid into the U-shaped water inlet pipe is discharged from the U-shaped water inlet pipe along the opposite direction of the liquid flow direction under the extrusion of the liquid, through at least one of the inside of the vertical middle through pipe or the air outlet hole formed on the vertical middle through pipe, so as to achieve the purpose of reducing the air entering in the process of flowing the liquid into the U-shaped water inlet pipe.
Specifically, the liquid enters the U-shaped water inlet pipe along a circulating passage formed by the vertical central column, the spiral blades and the inner wall of the U-shaped water inlet pipe, air in the U-shaped water inlet pipe is extruded by the inflow liquid, flows along the reverse direction of the inflow direction of the liquid, namely, the U-shaped water inlet pipe is discharged against the direction of the spiral blades, the air flowing direction in the U-shaped water inlet pipe is shown by a dotted arrow in fig. 5 and 6, and the liquid flowing direction is shown by a solid arrow in fig. 5 and 6.
In the scheme that the vertical center column is the vertical middle through pipe, the air outlet holes are formed in the vertical middle through pipe, and the air enters the U-shaped water inlet pipe along with liquid, part of the air enters the middle through pipe to be discharged through the air outlet holes formed in the vertical middle through pipe in the inflow process, and the part of the air enters the middle through pipe to be discharged out of the U-shaped water inlet pipe through the bottom of the vertical middle through pipe after leaving the spiral water sliding device along with the water outlet ends of the spiral blades.
According to the siphon running water system provided by the application, the bottom end of the spiral water slick is suspended above the water seal liquid level of the U-shaped water inlet pipe, so that the bottom end of the middle through pipe of the water slick is prevented from being submerged below the water seal liquid level, and the aim of discharging air through the vertical middle through pipe of the spiral water slick cannot be realized.
The spiral water slivers with various structural forms provided in the embodiments can be used in the U-shaped water inlet pipe of the siphon water flowing system provided by the application, that is, the application also provides the U-shaped water inlet pipe corresponding to the structural form of the spiral water slivers.
In one embodiment, the bottom end of the spiral water slick is higher than the liquid level of the overflow groove, so that the bottom of the spiral water slick is suspended above the water seal liquid level of the U-shaped water inlet pipe, and the function of exhausting air of the spiral water slick is not affected.
According to the siphon running water system provided by the embodiment of the application, the air quantity brought into the bottom of the U-shaped water inlet pipe in the process of liquid entering the U-shaped water inlet pipe is reduced, and the liquid is reserved in the U-shaped water inlet pipe after entering the U-shaped water inlet pipe.
On the basis, the application also provides a drainage method, which adopts the siphon running water system provided by any one of the technical schemes, and comprises the following steps:
the siphon running water system is in a full water state in advance, and the siphon condition is met;
injecting liquid through the water inlet hole of the U-shaped water inlet pipe;
the liquid enters a U-shaped water inlet pipe of the siphon along a spiral diversion path of the spiral water slick device;
When the liquid level in the U-shaped water inlet pipe is higher than the liquid level in the overflow groove, under the siphon effect, liquid enters the overflow groove through the siphon pipe, so that the liquid level in the U-shaped water inlet pipe is consistent with the liquid level in the overflow groove.
Before the siphon running water system provided by the application is used, the siphon running water system is in a full water state, namely, the communicating pipe of the siphon pipe is full of water, no air remains, and the siphon condition is met.
According to the siphon running water system provided by the scheme, the drainage process can be performed in such a way that water flows into the spiral water chute from the water inlet of the U-shaped water inlet pipe of the siphon, flows into the U-shaped water inlet pipe of the siphon through the spiral blade of the spiral water chute, air in the U-shaped water inlet pipe is discharged through the spiral blade of the spiral water chute, the vertical middle through pipe and/or the air outlet holes formed in the middle through pipe, the liquid level of the U-shaped water inlet pipe rises, the water seal liquid level in the U-shaped water inlet pipe is higher than the liquid level of the overflow tank, under the siphon effect, liquid enters the communicating pipe, enters the overflow tank through the water outlet pipe of the siphon, and water with corresponding volume flows out of the overflow tank, so that the water seal liquid level in the U-shaped water inlet pipe is consistent with the liquid level in the overflow tank.
According to the drainage method provided by the application, the air quantity introduced by liquid entering the U-shaped water inlet pipe is reduced through the spiral water slicers, so that the probability of generating bubbles in the U-shaped water inlet pipe is reduced, the probability of entering air in the siphon pipe is further reduced, and the normal operation of the siphon function is ensured.
The application further provides a sewage treatment system, which comprises a sewage treatment device and the siphon running water system according to any one of the technical schemes, wherein the sewage treatment device is connected with the siphon running water system.
Specifically, the sewage treatment device comprises a reaction unit and a mud-water separation unit, a clear water overflow groove is arranged in the mud-water separation unit, the reaction unit of the sewage treatment device is used for carrying out purification reaction treatment on sewage, and then the sewage is treated by the mud-water separation unit, so that the obtained separation liquid enters the clear water overflow groove.
The clean water overflow groove is connected with a spiral water sliding device in the siphon running water system, and the separating liquid enters the siphon pipe from the clean water overflow groove through the spiral water sliding device, so that the air quantity brought into the siphon pipe by the separating liquid is reduced.
The sewage treatment device can be any one of a reaction and precipitation integrated airlift circulation bioreactor, a contact oxidation tank, an aerobic three-phase separator, a clarifier and other sewage treatment devices.
The foregoing is only a partial embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.