CN213599782U - Cleaning device of paddle dryer for ternary precursor - Google Patents
Cleaning device of paddle dryer for ternary precursor Download PDFInfo
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- CN213599782U CN213599782U CN202022181435.4U CN202022181435U CN213599782U CN 213599782 U CN213599782 U CN 213599782U CN 202022181435 U CN202022181435 U CN 202022181435U CN 213599782 U CN213599782 U CN 213599782U
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Abstract
A cleaning device of a paddle dryer for a ternary precursor comprises a spraying unit, a drying unit and a filtering unit. The spray washing unit comprises a water storage tank and a rotary spray head, a water inlet pipe is connected between the water storage tank and the rotary spray head, and a pressure pump and an adjusting valve are sequentially arranged on the water inlet pipe along the water flow direction; and the rotary spray head is provided with an atomizing nozzle and extends into the cavity of the paddle dryer. The drying unit comprises an air compressor, an air inlet pipe is connected with the air compressor, and the air inlet pipe is communicated with the cavity of the blade dryer. The drying unit also comprises an air pump which is connected with an exhaust pipe, and the exhaust pipe is communicated with the cavity of the blade dryer. The filter unit comprises a filter, a liquid discharge pipe is connected with the filter, and the liquid discharge pipe is communicated with the bottom of the cavity of the paddle dryer. The technical problems that materials at the inner dead angle part of a paddle dryer cannot be thoroughly cleaned by an existing cleaning device, thorough cleaning is difficult to achieve, and the quality of ternary precursor materials is affected are solved.
Description
Technical Field
The utility model relates to a drying equipment technical field, in particular to used paddle desiccator's of ternary precursor belt cleaning device.
Background
Ternary precursor namely nickel cobalt manganese hydroxide NixCoyMn(1-x-y)(OH)2The precursor product of the ternary composite anode material is mainly used as an anode material of a lithium ion battery. In the process of preparing the ternary precursor, a paddle dryer can be adopted to dry the ternary precursor material.
The paddle dryer is generally horizontal, a hollow stirring shaft is arranged in a shell of the paddle dryer, and hollow paddles are densely arranged on the hollow stirring shaft. The heating medium is selected from steam, hot water or heat conducting oil, the heating medium is divided into two paths, the two paths of heating medium respectively enter a shell jacket of the blade dryer and the hollow stirring shaft, and the medium flowing into the hollow stirring shaft flows into the hollow blades again.
And (3) allowing a ternary precursor wet material to be dried to enter the drying cavity through a feed inlet of the paddle dryer, turning and stirring the wet ternary precursor material by the rotation of the hollow paddle, and enabling the wet ternary precursor material to be in contact with the shell and the hollow paddle, so that the wet ternary precursor material is fully heated, and the contained water is evaporated. Meanwhile, the dried ternary precursor material is conveyed to the direction of the discharge port along the spiral track formed by the rotation of the hollow stirring shaft, and is continuously stirred during conveying, so that the moisture seeped from the ternary precursor material is continuously evaporated. And finally, discharging the uniformly dried ternary precursor material from a discharge port.
When the line needs to be changed, namely the ternary precursor materials with different specifications need to be dried, or after other materials are dried, the ternary precursor materials are switched to be dried, the residual materials in the paddle dryer need to be removed, the requirement of the ternary precursor on the impurity content is high, otherwise the product quality is affected, and therefore the paddle dryer needs to be thoroughly cleaned before the ternary precursor materials are dried. At present, because the feed inlet of paddle desiccator is less, and has the cavity paddle in the drying chamber, so people are difficult to get into the paddle desiccator and clear up. The mode clearance that prior art mainly adopted the wind-blowing, but because the paddle is numerous, the material can remain in dead angle departments such as cavity paddle and hollow stirring shaft contact department, hardly the clean up.
In view of this, how to design a belt cleaning device that is applicable to the used paddle desiccator of ternary precursor and can clear up dead angle department material, accomplish thoroughly trade the line is the subject of the utility model discloses research.
Disclosure of Invention
The utility model provides a belt cleaning device of the used paddle desiccator of ternary precursor, its purpose is to solve current belt cleaning device and can not thoroughly clear up paddle desiccator inside dead angle department material, is difficult to accomplish thoroughly clear line, influences the technical problem of the quality of ternary precursor material.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the cleaning device for the paddle dryer used for the ternary precursor is characterized in that the paddle dryer is provided with a cleaning device used for cleaning residual materials in a cavity of the paddle dryer, and the cleaning device comprises a spraying unit, a drying unit and a filtering unit.
The spray washing unit comprises a water storage tank and a rotary spray head, a water inlet pipe is connected between the water storage tank and the rotary spray head, and a pressure pump and an adjusting valve are sequentially arranged on the water inlet pipe along the water flow direction; the rotary spray head is provided with an atomizing nozzle and extends into the cavity of the paddle dryer; in a spray washing state, the spraying range of the rotary spray head covers the part to be washed in the cavity of the paddle dryer;
the drying unit comprises an air compressor, an air inlet pipe is connected with the air compressor and communicated with the cavity of the blade dryer, and compressed air is blown into the blade dryer through the air inlet pipe in a drying state; the drying unit also comprises an air pump which is connected with an exhaust pipe, the exhaust pipe is communicated with the cavity of the blade dryer and is used for exhausting compressed air blown in the blade dryer in a drying state;
the filter unit comprises a filter, a liquid discharge pipe is connected with the filter and communicated with the bottom of the cavity of the paddle dryer, and the liquid discharge pipe drains waste liquid generated by spray washing to the filter for recycling in a spray washing state.
The relevant content in the above technical solution is explained as follows:
1. among the above-mentioned scheme, paddle dryer's structure is prior art, and specific structure can be known to the technical personnel in the field, and is not the utility model discloses an innovation point, so the utility model discloses do not do too much to describe repeatedly. The cavity of the paddle dryer is a drying cavity of the paddle dryer.
2. In the above scheme, the spray washing unit comprises a rotary spray head, the rotary spray head extends into the cavity of the paddle dryer, and the rotary spray head is provided with an atomizing nozzle. In the spray-washing state, the spraying range of the rotary spray head covers the part to be washed in the cavity of the paddle dryer. The rotary nozzle can extend into the cavity of the paddle dryer through a feeding port of the paddle dryer, and can be understood by those skilled in the art. If a common nozzle is adopted, the sprayed water is in a water column, and the part of the paddle back to the water column cannot be washed, so that a certain dead angle is formed. The rotary spray nozzle is arranged, and the spray washing range is expanded through the rotation of the spray nozzle. The washing water can produce meticulous atomization effect through atomizing nozzle, and water smoke can not only make the material of suspension subside in the drying chamber, and can cover paddle dryer intracavity portion comprehensively, and the paddle part back to the shower nozzle also adheres to has water smoke, can not bad life wash the dead angle. And the water mist spraying is adopted, so that the water mist can not gather into drops and leave strands, but a layer of water film is formed, all dead corners are comprehensively cleaned, and the thorough cleaning of the threads is realized.
3. Among the above-mentioned scheme, be equipped with force (forcing) pump and governing valve in proper order along the rivers direction on the inlet tube, the purpose that sets up the force (forcing) pump sprays water pressure for the increase, and the governing valve can be adjusted and sprays water pressure.
4. In the above scheme, the filtering unit comprises a filter, and a liquid discharge pipe is connected with the filter and communicated with the bottom of the cavity of the paddle dryer. After the paddle dryer is sprayed, the water film flows to the bottom of the cavity of the paddle dryer and then flows to the filter through the liquid discharge pipe, and the cleaned materials are collected and can be recycled.
5. In the above scheme, the drying unit comprises an air compressor, an air inlet pipe is connected with the air compressor, the air inlet pipe is communicated with the cavity of the paddle dryer, and compressed air is blown and blown into the paddle dryer through the air inlet pipe in a drying state. And compressed air is adopted to blow and sweep towards the inner part of the drying cavity, so that the water evaporation is accelerated, and the rapid drying can be realized. Still set up an aspiration pump, it links to be equipped with an exhaust pipe, and this exhaust pipe and paddle dryer chamber intercommunication are used for discharging the compressed air after sweeping in the paddle dryer under dry state, adopt the aspiration pump can improve the efficiency of discharge compressed air, improve drying efficiency.
6. In the above scheme, the cleaning paddle dryer is divided into two steps, firstly spraying, starting the spray washing unit and the filtering unit, waiting for the spray washing to be clean, then drying, closing the spray washing unit and the filtering unit, and starting the drying unit.
7. In the scheme, the rotary sprayer is a 360-degree rocker arm type rotary sprayer.
8. In the above scheme, the side of rotatory nozzle is equipped with four atomizing nozzle, and four atomizing nozzle's opening direction all is the contained angle with rotatory nozzle's axial.
9. In the above scheme, the filter is an intercepting filter.
10. In the above scheme, the exhaust pipe is provided with a first stop valve.
11. In the above scheme, a second stop valve is arranged on the liquid discharge pipe.
12. In the above scheme, a third stop valve is arranged on the liquid discharge pipe.
The utility model discloses theory of operation and advantage as follows:
the utility model discloses used paddle desiccator's of ternary precursor belt cleaning device is including spray rinsing unit, drying unit and filter unit. The utility model discloses when doing the cleaning operation, divide into two steps, at first spray, start spray rinsing unit and filter unit, treat the sanitization, carry out the drying again, close spray rinsing unit and filter unit, start drying unit, the drying is over, accomplishes the washing promptly. The utility model discloses set up rotatory nozzle, through the rotation of shower nozzle, enlarge the spray rinsing scope. The washing water can produce meticulous atomization effect through atomizing nozzle, and water smoke can not only make the material of suspension subside in the drying chamber, and can cover paddle dryer intracavity portion comprehensively, and the paddle part back to the shower nozzle also adheres to has water smoke, can not bad life wash the dead angle. And the water mist spraying is adopted, so that the water mist can not gather into drops and leave strands, but a layer of water film is formed, all dead corners are comprehensively cleaned, and the thorough cleaning of the threads is realized. After the material is sprayed and washed, the material flows to the bottom of the drying cavity along with the water film and then flows to the filter through the liquid discharge pipe, so that the material can be recycled and reused, and waste is avoided. And compressed air is adopted to blow and sweep towards the inner part of the drying cavity, so that the water evaporation is accelerated, and the rapid drying can be realized.
Drawings
FIG. 1 is a schematic structural view of a cleaning device of the paddle dryer of the present invention;
fig. 2 is a schematic structural diagram of the spray head of the present invention.
1. A paddle dryer; 2. a water storage tank; 3. rotating the spray head; 4. a water inlet pipe; 5. a pressure pump; 6. adjusting a valve; 7. a discharge port; 8. an air compressor; 9. an air inlet pipe; 10. an air pump; 11. an exhaust pipe; 12. a filter; 13. a liquid discharge pipe; 14. a first shut-off valve; 15. a second stop valve; 16. a third stop valve; 17. a stirring shaft; 18. a blade.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): cleaning device of paddle dryer for ternary precursor
Referring to the attached drawing 1, a cleaning device for cleaning residual materials in a cavity of the paddle dryer 1 is arranged on the paddle dryer 1, and the cleaning device comprises a spraying unit, a drying unit and a filtering unit. The paddle dryer 1 comprises a stirring shaft 17 and paddles 18, wherein the stirring shaft 17 penetrates through a cavity of the paddle dryer 1 along the length direction of the paddle dryer 1, and the paddles 18 are arranged on the peripheral circumferential surface of the stirring shaft 17.
The spray washing unit comprises a water storage tank 2 and a rotary spray head 3, a water inlet pipe 4 is connected between the water storage tank 2 and the rotary spray head 3, and a pressure pump 5 and an adjusting valve 6 are sequentially arranged on the water inlet pipe 4 along the water flow direction; the side of rotatory nozzle 3 is equipped with four atomizing nozzle 7, and the opening direction of four atomizing nozzle 7 all is the contained angle with rotatory nozzle 3's axial, and this rotatory nozzle 3 stretches into paddle desiccator 1 intracavity, is located the top of paddle 18. In the spray-washing state, the spraying range of the rotary nozzle 3 covers the part to be washed in the cavity of the paddle dryer 1. The rotary nozzle 3 used in this embodiment is a 360-degree swing arm type rotary nozzle.
The drying unit comprises an air compressor 8 which is connected with an air inlet pipe 9, the air inlet pipe 9 is communicated with the cavity of the paddle dryer 1 through a feed inlet of the paddle dryer 1, and compressed air is blown into the paddle dryer 1 through the air inlet pipe 9 in a drying state; the drying unit further comprises an air pump 10 which is connected with an exhaust pipe 11, wherein the exhaust pipe 11 is communicated with the cavity of the paddle dryer 1 through an exhaust port of the paddle dryer 1 and is used for exhausting compressed air blown in the paddle dryer 1 in a drying state. The intake pipe 9 is provided with a first stop valve 14. And a second stop valve 15 is arranged on the exhaust pipe 11.
The filter unit includes filter 12, and it links to be equipped with a fluid-discharge tube 13, and this fluid-discharge tube 13 passes through the bin outlet of paddle desiccator 1 and the bottom intercommunication in paddle desiccator 1 chamber, and under the spray rinsing state, fluid-discharge tube 13 drains the waste liquid drainage that the spray rinsing produced to filter 12 and retrieves. A third stop valve 16 is arranged on the drain pipe 13, and the filter 12 is selected as an intercepting filter in the embodiment.
This embodiment during operation divide into two steps, at first sprays, starts spray rinsing unit and filter unit, treats the spray rinsing clean, carries out the drying again, closes spray rinsing unit and filter unit, starts dry unit.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A belt cleaning device of the used paddle desiccator of ternary precursor which characterized in that: a cleaning device for cleaning residual materials in a cavity of the paddle dryer (1) is arranged on the paddle dryer (1), and comprises a spray cleaning unit, a drying unit and a filtering unit;
the spray washing unit comprises a water storage tank (2) and a rotary spray head (3), a water inlet pipe (4) is connected between the water storage tank (2) and the rotary spray head (3), and a pressure pump (5) and an adjusting valve (6) are sequentially arranged on the water inlet pipe (4) along the water flow direction; the rotary spray head (3) is provided with an atomizing nozzle (7), and the rotary spray head (3) extends into the cavity of the paddle dryer (1); in a spray washing state, the spraying range of the rotary spray head (3) covers the part to be washed in the cavity of the paddle dryer (1);
the drying unit comprises an air compressor (8) which is connected with an air inlet pipe (9), the air inlet pipe (9) is communicated with the cavity of the blade dryer (1), and compressed air is blown into the blade dryer (1) through the air inlet pipe (9) in a drying state; the drying unit also comprises an air suction pump (10) which is connected with an exhaust pipe (11), the exhaust pipe (11) is communicated with the cavity of the blade dryer (1) and is used for exhausting compressed air blown in the blade dryer (1) in a drying state;
the filter unit comprises a filter (12) which is connected with a liquid discharge pipe (13), the liquid discharge pipe (13) is communicated with the bottom of the cavity of the paddle dryer (1), and the liquid discharge pipe (13) drains waste liquid generated by spray washing to the filter (12) for recycling in a spray washing state.
2. The cleaning device for the blade dryer for a ternary precursor according to claim 1, characterized in that: the rotary spray head (3) is a 360-degree rocker arm type rotary spray head.
3. The cleaning device for the blade dryer for a ternary precursor according to claim 1, characterized in that: the side of rotatory nozzle (3) is equipped with four atomizing nozzle (7), and the opening direction of four atomizing nozzle (7) all is the contained angle with the axial of rotatory nozzle (3).
4. The cleaning device for the blade dryer for a ternary precursor according to claim 1, characterized in that: the filter (12) is an intercepting filter.
5. The cleaning device for the blade dryer for a ternary precursor according to claim 1, characterized in that: the air inlet pipe (9) is provided with a first stop valve (14).
6. The cleaning device for the blade dryer for a ternary precursor according to claim 1, characterized in that: and a second stop valve (15) is arranged on the exhaust pipe (11).
7. The cleaning device for the blade dryer for a ternary precursor according to claim 1, characterized in that: and a third stop valve (16) is arranged on the liquid discharge pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181435.4U CN213599782U (en) | 2020-09-29 | 2020-09-29 | Cleaning device of paddle dryer for ternary precursor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181435.4U CN213599782U (en) | 2020-09-29 | 2020-09-29 | Cleaning device of paddle dryer for ternary precursor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213599782U true CN213599782U (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022181435.4U Active CN213599782U (en) | 2020-09-29 | 2020-09-29 | Cleaning device of paddle dryer for ternary precursor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213599782U (en) |
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2020
- 2020-09-29 CN CN202022181435.4U patent/CN213599782U/en active Active
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