CN111336802A - Special mesh belt drying device for nano calcium carbonate and drying method thereof - Google Patents
Special mesh belt drying device for nano calcium carbonate and drying method thereofDownload PDFInfo
- Publication number
- CN111336802A CN111336802ACN202010261668.7ACN202010261668ACN111336802ACN 111336802 ACN111336802 ACN 111336802ACN 202010261668 ACN202010261668 ACN 202010261668ACN 111336802 ACN111336802 ACN 111336802A
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- Prior art keywords
- calcium carbonate
- nano calcium
- drying
- mesh belt
- main body
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- VTYYLEPIZMXCLO-UHFFFAOYSA-LCalcium carbonateChemical compound[Ca+2].[O-]C([O-])=OVTYYLEPIZMXCLO-UHFFFAOYSA-L0.000titleclaimsabstractdescription138
- 238000001035dryingMethods0.000titleclaimsabstractdescription106
- 229910000019calcium carbonateInorganic materials0.000titleclaimsabstractdescription69
- 239000000463materialSubstances0.000claimsabstractdescription44
- 239000000843powderSubstances0.000claimsdescription20
- 230000005540biological transmissionEffects0.000claimsdescription13
- 238000007599dischargingMethods0.000claimsdescription10
- 238000000034methodMethods0.000claimsdescription4
- 230000008569processEffects0.000claimsdescription3
- 230000005855radiationEffects0.000claimsdescription3
- 238000004519manufacturing processMethods0.000abstractdescription5
- 230000008901benefitEffects0.000abstractdescription4
- 230000009471actionEffects0.000abstractdescription3
- 230000008676importEffects0.000description2
- 239000004566building materialSubstances0.000description1
- 238000010924continuous productionMethods0.000description1
- 230000007547defectEffects0.000description1
- 238000009826distributionMethods0.000description1
- 230000000694effectsEffects0.000description1
- 230000007613environmental effectEffects0.000description1
- 239000008187granular materialSubstances0.000description1
- 238000010438heat treatmentMethods0.000description1
- 230000035699permeabilityEffects0.000description1
- 230000007480spreadingEffects0.000description1
- 238000003892spreadingMethods0.000description1
- 239000000126substanceSubstances0.000description1
Images
Classifications
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Technical Field
The invention relates to nano calcium carbonate drying equipment, in particular to a mesh belt drying device special for nano calcium carbonate and a drying method thereof.
Background
The mesh belt drying device is a common drying device, can be widely applied to the industries of pharmacy, food, chemical industry, building materials, environmental protection and the like, is particularly suitable for drying granular, flaky and strip-shaped materials with better air permeability, and can also dry cake-shaped and paste-shaped materials after being formed by a granulator; the traditional mesh belt drying device is generally large in size and large in occupied space, and generally one-layer to three-layer drying is adopted.
The mesh belt drying device is continuous production equipment commonly used for drying the nano calcium carbonate, has the advantage that the operation condition can be kept constant in the whole drying process, and can ensure that the nano calcium carbonate is uniformly heated by multilayer design. However, because the moisture content of the nano calcium carbonate fed is higher, the common belt type drying device only dries through a pure left and right 3 layers of drying mesh belts, and because the drying area is limited, the belt type drying device does not have other auxiliary drying tools to enhance drying, the drying speed is low, the requirement of low drying moisture is not easy to achieve, and the production efficiency is influenced.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides the special mesh belt drying device for the nano calcium carbonate and the drying method thereof, wherein the built-in steam radiator is used as an auxiliary drying tool and matched with an external main heat exchanger to provide heat, and the heat is transmitted to materials on a multilayer drying mesh belt through a circulating fan to be dried.
The technical scheme of the invention is as follows: the utility model provides a special guipure drying device of nanometer calcium carbonate, includes equipment main part drying cabinet, sets up the wet material import of nanometer calcium carbonate and finished product nanometer calcium carbonate discharge port on equipment main part drying cabinet, sets up at inside multilayer spiral guipure transmission and the built-in steam radiator of main part drying cabinet, connects circulating fan and the hydrofuge fan on the air outlet of main part drying cabinet and connects the external main heat exchanger between circulating fan and the air intake of main part drying cabinet, the wet material import department of nanometer calcium carbonate is equipped with powder distributing device.
The invention adopts the built-in steam radiator as an auxiliary drying tool to cooperate with the external main heat exchanger to provide heat which is transmitted to the materials on the multilayer drying mesh belt through the circulating fan for drying, and has the advantages of high thermal efficiency, high drying speed, high production efficiency, simple structure and stable and reliable action.
Preferably, the circulating fan and the dehumidifying fan are connected with an air outlet of the main body drying box through a circulating air inlet pipe, and the external main heat exchanger is connected with an air inlet of the main body drying box through a circulating exhaust pipe.
The structure ensures that the circulating fan can well recycle the hot air in the main body drying box, and ensures that the moisture exhausting fan can well exhaust the moisture in the main body drying box.
Preferably, a dry material discharging hopper is arranged at the discharge port of the finished product nano calcium carbonate, the dry material discharging hopper is positioned at the lower side of one end of the main body drying box, and the powder distributing device is positioned at the upper side of the other end of the main body drying box.
The structure facilitates the nano calcium carbonate wet material to enter the main body drying box and ensures that the nano calcium carbonate wet material can be uniformly spread on the feeding end of the uppermost mesh belt of the multi-layer spiral mesh belt transmission device, and simultaneously ensures that the finished nano calcium carbonate is conveniently and reliably discharged.
Preferably, the circulation air-supply line connects circulating fan's air intake and dehumidifying fan's air intake respectively through two air inlet branch pipes, connect the dehumidifying tuber pipe on dehumidifying fan's the air outlet, connect the circulation exhaust pipe on circulating fan's the air outlet, external main heat exchanger is located the circulation exhaust pipe.
The structure further ensures the connection stability of the main body drying box and the circulating fan and the dehumidifying fan.
Preferably, the multilayer spiral mesh belt transmission device comprises 7-11 layers of mesh belts, and each layer of mesh belt is provided with 3 built-in steam radiators.
The structure enables the mesh belt to be selected in multiple layers on the premise of ensuring the drying efficiency and the drying effect, and the selectivity of the mesh belt is improved.
A drying method of a mesh belt drying device special for nano calcium carbonate comprises the following steps of feeding a wet nano calcium carbonate material into a powder distributing device from a wet nano calcium carbonate material inlet, uniformly spreading the wet nano calcium carbonate material on the feeding end of the uppermost mesh belt of a multi-layer spiral mesh belt transmission device in a drying box of an equipment main body by the powder distributing device, transmitting the wet nano calcium carbonate material through the multi-layer mesh belt, transmitting the exchange heat provided by an external main heat exchanger to the surface of the nano calcium carbonate powder material by a circulating fan in the process, simultaneously directly transmitting the heat generated by an internal steam radiator to the material to be dried through heat radiation, uniformly heating and quickly drying each layer of nano calcium carbonate powder mud, and finally transmitting the heat to a finished nano calcium carbonate discharge outlet to discharge a dried finished product through a dry material discharge hopper; and (3) discharging moisture generated in the drying process of the nano calcium carbonate through a moisture discharging fan.
Preferably, the external main heat exchanger and the internal steam radiator are used for providing heat required by drying the wet nano calcium carbonate material, and the circulating fan is used for transferring the heat required by drying the wet nano calcium carbonate material.
The invention adopts the built-in steam radiator as an auxiliary drying tool to cooperate with the external main heat exchanger to provide heat which is transmitted to the materials on the multilayer drying mesh belt through the circulating fan for drying, and has the advantages of high thermal efficiency, high drying speed, high production efficiency, simple structure and stable and reliable action.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1, a nano calcium carbonate wet material inlet, 2, a powder material distribution device, 3, an equipment main body drying box, 4, a multi-layer spiral mesh belt transmission device, 5, a built-in steam radiator, 6, a circulating air inlet pipe, 7, a circulating fan, 8, an external main heat exchanger, 9, a circulating exhaust pipe, 10, a moisture exhaust fan, 11, a moisture exhaust air pipe, 12, a dry material discharge hopper and 13, a finished nano calcium carbonate discharge outlet are arranged.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, but the present invention is not limited thereto.
As shown in fig. 1, a mesh belt drying device special for nano calcium carbonate, which comprises an equipment mainbody drying box 3, a wet nano calcium carbonate inlet 1 and a finished nanocalcium carbonate outlet 13 which are arranged on the equipment mainbody drying box 3, a multilayer spiral mesh belt transmission device 4 and a built-in steam radiator 5 which are arranged inside the mainbody drying box 3, a circulating fan 7 and amoisture exhaust fan 10 which are connected to an air outlet of the mainbody drying box 3, and an external main heat exchanger 8 which is connected between the circulating fan 7 and an air inlet of the mainbody drying box 3, wherein a powder distributing device 2 is arranged at the position of the wet nano calcium carbonate inlet 1. The circulating fan 7 and thedehumidifying fan 10 are connected with the air outlet of the mainbody drying box 3 through a circulating air inlet pipe 6, and the external main heat exchanger 8 is connected with the air inlet of the mainbody drying box 3 through a circulating exhaust pipe 9. A drymaterial discharging hopper 12 is arranged at thedischarge port 13 of the finished product nano calcium carbonate, the drymaterial discharging hopper 12 is positioned at the lower side of one end of the mainbody drying box 3, and the powder distributing device 2 is positioned at the upper side of the other end of the mainbody drying box 3. The circulation air inlet pipe 6 is respectively connected with the air inlet of the circulation fan 7 and the air inlet of thedehumidifying fan 10 through two air inlet branch pipes, the air outlet of thedehumidifying fan 10 is connected with the dehumidifying air pipe 11, the air outlet of the circulation fan 7 is connected with the circulation exhaust pipe 9, and the external main heat exchanger 8 is positioned on the circulation exhaust pipe 9. The multi-layer spiral mesh belt transmission device 4 comprises 7-11 layers of mesh belts, and each layer of mesh belt is provided with 3 built-in steam radiators 5.
A drying method of a mesh belt drying device special for nano calcium carbonate comprises the following steps that wet nano calcium carbonate is fed into a powder distributing device 2 from a wet nano calcium carbonate inlet 1, the wet nano calcium carbonate is uniformly spread on the feeding end of the uppermost mesh belt of a multi-layer spiral mesh belt transmission device 4 in adrying box 3 of an equipment main body by the powder distributing device 2 and is transmitted by the multi-layer mesh belt, the exchange heat provided by an external main heat exchanger 8 is transmitted to the surface of the nano calcium carbonate powder by a circulating fan 7 in the process, meanwhile, the heat generated by an internal steam radiator 5 is directly transmitted to a material to be dried by thermal radiation, so that each layer of nano calcium carbonate powder mud is uniformly heated and quickly dried, and finally, the dried product is transmitted to a finished product nanocalcium carbonate outlet 13 and is discharged by a drymaterial discharge hopper 12 to form a dried product; the moisture generated in the drying process of the nano calcium carbonate is discharged out of the device through amoisture discharging fan 10.
The external main heat exchanger 8 and the internal steam radiator 5 are used for providing heat required by drying the nano calcium carbonate wet material, and the circulating fan 7 is used for transferring the heat required by drying the nano calcium carbonate wet material.
The multilayer spiral mesh belt transmission device 4 of the invention is designed with 7 to 11 layers of mesh belts, the multilayer design increases the drying area and the drying time, and the moisture content of the discharged nano calcium carbonate is reduced to be below 0.1 percent. Through multilayer transmission, the even drying of upset material, the thermal efficiency improves in the drying process, dry the even nanometer calcium carbonate material of being heated, stable performance, granule are even, production efficiency is high, and degree of automation is high, and multilayer guipure design, built-in heat exchanger design make product structure compact, the volume is littleer, efficiency is higher.
Claims (7)
1. The utility model provides a special guipure drying device of nanometer calcium carbonate which characterized in that: the device comprises a device main body drying box (3), a nano calcium carbonate wet material inlet (1) and a finished product nano calcium carbonate discharge port (13) which are arranged on the device main body drying box (3), a multilayer spiral mesh belt transmission device (4) and a built-in steam radiator (5) which are arranged inside the device main body drying box (3), a circulating fan (7) and a moisture exhaust fan (10) which are connected to an air outlet of the device main body drying box (3), and an external main heat exchanger (8) which is connected between the circulating fan (7) and an air inlet of the device main body drying box (3), wherein a powder distributing device (2) is arranged at the nano calcium carbonate wet material inlet (1).
2. The mesh belt drying device special for nano calcium carbonate according to claim 1, characterized in that: circulating fan (7) and hydrofuge fan (10) are connected with the air outlet of main part drying cabinet (3) through a circulation air-supply line (6), external main heat exchanger (8) are through the air intake connection of a circulation exhaust pipe (9) and main part drying cabinet (3).
3. The mesh belt drying device special for nano calcium carbonate according to claim 1, characterized in that: a dry material discharging hopper (12) is arranged at the discharge port (13) of the finished product nano calcium carbonate, the dry material discharging hopper (12) is positioned at the lower side of one end of the main body drying box (3), and the powder distributing device (2) is positioned at the upper side of the other end of the main body drying box (3).
4. The mesh belt drying device special for nano calcium carbonate according to claim 2, characterized in that: circulation air-supply line (6) are connected the air intake of circulating fan (7) and the air intake of hydrofuge fan (10) respectively through two air inlet branch pipes, connect hydrofuge tuber pipe (11) on the air outlet of hydrofuge fan (10), connect circulation exhaust pipe (9) on the air outlet of circulating fan (7), external main heat exchanger (8) are located circulation exhaust pipe (9).
5. The mesh belt drying device special for nano calcium carbonate according to claim 1, characterized in that: the multi-layer spiral mesh belt transmission device (4) comprises 7-11 layers of mesh belts, and each layer of mesh belt is provided with 3 built-in steam radiators (5).
6. The drying method of the special mesh belt drying device for nano calcium carbonate according to claim 1, which is characterized in that: the method comprises the following steps that a wet nano calcium carbonate material is fed into a powder distributing device (2) from a wet nano calcium carbonate material inlet (1), the wet nano calcium carbonate material is uniformly spread on the feeding end of the uppermost mesh belt of a multi-layer spiral mesh belt transmission device (4) in a drying box (3) of an equipment main body by the powder distributing device (2) and is transmitted through the multi-layer mesh belts, the exchange heat provided by an external main heat exchanger (8) is transmitted to the surface of the nano calcium carbonate powder material by a circulating fan (7) in the process, meanwhile, the heat generated by an internal steam radiator (5) is directly transmitted to the material to be dried through heat radiation, so that each layer of nano calcium carbonate powder mud is uniformly heated and quickly dried, and finally, the nano calcium carbonate powder mud is transmitted to a finished product nano calcium carbonate discharge outlet (13) and is discharged through a dry material discharge hopper (12) to; the moisture generated in the drying process of the nano calcium carbonate is discharged out of the device through a moisture discharging fan (10).
7. The drying method of the nano calcium carbonate special mesh belt drying device of claim 6, which is characterized in that: the external main heat exchanger (8) and the internal steam radiator (5) are used for providing heat required by the dry nano calcium carbonate wet material, and the circulating fan (7) is used for transferring the heat required by the dry nano calcium carbonate wet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010261668.7ACN111336802A (en) | 2020-04-04 | 2020-04-04 | Special mesh belt drying device for nano calcium carbonate and drying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010261668.7ACN111336802A (en) | 2020-04-04 | 2020-04-04 | Special mesh belt drying device for nano calcium carbonate and drying method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111336802Atrue CN111336802A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010261668.7APendingCN111336802A (en) | 2020-04-04 | 2020-04-04 | Special mesh belt drying device for nano calcium carbonate and drying method thereof |
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| CN (1) | CN111336802A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686465A (en)* | 2020-06-27 | 2020-09-22 | 商洛市海蓝科技有限公司 | Low-temperature negative-pressure drying device for heat-sensitive material treatment |
| CN111701985A (en)* | 2020-06-27 | 2020-09-25 | 商洛市海蓝科技有限公司 | Oil field solid waste microwave degradation processing unit |
| CN111701984A (en)* | 2020-06-27 | 2020-09-25 | 商洛市海蓝科技有限公司 | Oil field solid waste microwave degradation processing apparatus |
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| CN2572317Y (en)* | 2002-10-14 | 2003-09-10 | 朱正平 | Three-layer belt type throug-flow dryer |
| JP2013117333A (en)* | 2011-12-02 | 2013-06-13 | Jfe Engineering Corp | Multistage band type viscous product drying device |
| CN203464632U (en)* | 2013-09-11 | 2014-03-05 | 天津力美可机械设备有限公司 | Drying machine |
| CN208366025U (en)* | 2018-06-15 | 2019-01-11 | 汉广中药科技（天津）有限公司 | A kind of 90 degree of band drier two-way for circulated air drying equipment |
| CN212158034U (en)* | 2020-04-04 | 2020-12-15 | 杭州正和纳米科技有限公司 | Special guipure drying device of nanometer calcium carbonate |
- 2020
- 2020-04-04CNCN202010261668.7Apatent/CN111336802A/enactivePending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572317Y (en)* | 2002-10-14 | 2003-09-10 | 朱正平 | Three-layer belt type throug-flow dryer |
| JP2013117333A (en)* | 2011-12-02 | 2013-06-13 | Jfe Engineering Corp | Multistage band type viscous product drying device |
| CN203464632U (en)* | 2013-09-11 | 2014-03-05 | 天津力美可机械设备有限公司 | Drying machine |
| CN208366025U (en)* | 2018-06-15 | 2019-01-11 | 汉广中药科技（天津）有限公司 | A kind of 90 degree of band drier two-way for circulated air drying equipment |
| CN212158034U (en)* | 2020-04-04 | 2020-12-15 | 杭州正和纳米科技有限公司 | Special guipure drying device of nanometer calcium carbonate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686465A (en)* | 2020-06-27 | 2020-09-22 | 商洛市海蓝科技有限公司 | Low-temperature negative-pressure drying device for heat-sensitive material treatment |
| CN111701985A (en)* | 2020-06-27 | 2020-09-25 | 商洛市海蓝科技有限公司 | Oil field solid waste microwave degradation processing unit |
| CN111701984A (en)* | 2020-06-27 | 2020-09-25 | 商洛市海蓝科技有限公司 | Oil field solid waste microwave degradation processing apparatus |
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