CN218764698U

CN218764698U - NMP gas cooling and recycling equipment

Info

Publication number: CN218764698U
Application number: CN202222551351.4U
Authority: CN
Inventors: 刘甫先; 黄春锦; 叶远飞
Original assignee: Ganzhou Zhongneng Industrial Co ltd
Current assignee: Ganzhou Zhongneng Industrial Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-28
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a NMP gas cooling recovery plant, including tower body and heat transfer mechanism, one side fixedly connected with intake pipe of tower body, the output shaft fixedly connected with pivot of motor, the bottom fixed surface of pivot is connected with the puddler, the inside middle-end fixedly connected with solid fixed cylinder of tower body, the gas guide cylinder of the outside of pivot middle-end is located to the fixed connection cover in the middle of the bottom of solid fixed cylinder, pivot middle-end fixedly connected with helical blade, be provided with the spray tube between motor and the solid fixed cylinder, the bottom fixed mounting of spray tube has a plurality of shower nozzles, heat transfer mechanism includes heat transfer case, heat exchange tube and the pump body; the utility model discloses can make the liquid after the cooling and the liquid of tower body bottom carry out abundant mixture for the liquid of bottom can be cooled down rapidly in the tower body, promotes its absorption efficiency to NMP gas, prevents that NMP gas from volatilizing again.

Description

NMP gas cooling and recycling equipment

Technical Field

The utility model relates to a gas recovery technical field specifically is a NMP gas cooling recovery plant.

Background

NMP is the main component of waste gas discharged in the production of lithium ion batteries and is a toxic gas. If do not carry out recycle to NMP, not only cause environmental pollution, also caused a large amount of wastes of raw and other materials simultaneously, adopted water to spray to NMP gas among the prior art and absorbed often, the solution after absorbing is sprayed by the top again after the elevator pump lifting, continuously absorbs NMP gas. However, the temperature of the solution in which NMP gas is dissolved increases, and when the solution is sprayed, NMP gas components in the solution are easily volatilized again, and the NMP gas absorption rate decreases. In order to solve the above problems, a heat exchange device is often used to cool the solution sprayed in a circulating manner so as to maintain the absorption rate of the solution to the NMP gas. However, the existing heat exchange device has poor cooling effect on the circularly sprayed solution, and is not beneficial to improving the absorption effect on NMP gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gaseous cooling recovery plant of NMP to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a NMP gas cooling recovery plant, includes tower body and heat transfer mechanism, one side fixedly connected with intake pipe of tower body, there is the motor inside top of tower body through mounting bracket fixed mounting, the output shaft fixedly connected with pivot of motor, the bottom fixed surface of pivot is connected with a plurality of puddler, the inside middle-end fixedly connected with solid fixed cylinder of tower body, the outside gas guide cylinder of pivot middle-end is located to the fixedly connected with cover in the middle of the bottom of solid fixed cylinder, pivot middle-end fixedly connected with helical blade, be provided with the spray tube between motor and the solid fixed cylinder, the bottom fixed mounting of spray tube has a plurality of shower nozzle, heat transfer mechanism includes heat transfer case, heat exchange tube and the pump body.

Preferably, a liquid guide plate is arranged between the liquid spraying pipe and the fixed cylinder, a liquid guide hole is formed in the liquid guide plate, and the liquid guide hole is arranged in a conical tip mode.

Preferably, heat exchange tube fixed connection is in the inside of heat transfer case, pump body fixed mounting is in the outside of heat transfer case, the input of the pump body passes through the inside bottom intercommunication of pipeline and tower body, the output of the pump body passes through the pipeline and is connected with the one end of heat exchange tube, the other end fixedly connected with of heat exchange tube leads to the liquid pipe, the one end that leads to the liquid pipe runs through behind heat transfer case and the tower body and communicates with the one end of hydrojet pipe, the one end fixedly connected with feed liquor pipe of heat transfer case, the other end fixedly connected with drain pipe of heat transfer case, just the heat exchange tube is the wave shape.

Preferably, the liquid spray pipe is fixedly connected with the inside of the tower body, the liquid spray pipe is annularly arranged, and the spray head is obliquely arranged and forms an included angle of 30-90 degrees with the liquid spray pipe.

Preferably, a protective shell is mounted on the exterior of the motor.

Preferably, the fixed surface of intake pipe installs the check valve, the one end fixed mounting that the tower body was kept away from to the intake pipe has the fan, the top fixedly connected with outlet duct of tower body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an open the fan, gaseous NMP who has mixed with the external world lets in the inside injected liquid of tower body, starter motor and the pump body, the puddler rotates and fully lets most gas by the gaseous absorption of the inside bottom of tower body to liquid and gas, helical blade rotates upwards to leading-in the fixed cylinder with NMP gas, liquid in the pump body extraction tower body is through heat exchange tube and liquid pipe, again through the shower nozzle of hydrojet pipe, the shower nozzle sprays liquid and passes through the drain hole on the drain board again to the inside top of tower body, the liquid that sprays on the one hand can absorb surplus NMP gas, the liquid that on the other hand sprayed is the liquid through heat transfer case heat transfer cooling, liquid after the cooling can pass through helical blade, and the effect of exporting through helical blade upwards can slow down the speed that liquid flows downwards, make to let in NMP gas can carry out the intensive mixing absorption with the liquid of drain cylinder process, then the liquid that sprays can flow in the bottom of tower body again, and the liquid that the puddler can make after the cooling carry out abundant mixing with the liquid of tower body bottom, make the bottom carry out the NMP cool down rapidly by being cooled down, make the liquid of bottom be cooled by the tower body cooled down, promote its absorption of NMP gas, prevent the NMP from volatilizing efficiency again.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the heat exchange box of the present invention;

fig. 3 is a schematic structural view of the liquid guiding plate of the present invention.

In the figure: 1. a tower body; 2. a motor; 3. a liquid spraying pipe; 4. a liquid guide plate; 5. a fixed cylinder; 6. an air inlet pipe; 7. a fan; 8. an air guide cylinder; 9. a rotating shaft; 10. a stirring rod; 12. a helical blade; 13. a liquid pipe is communicated; 14. a heat exchange box; 15. a pump body; 16. a heat exchange pipe; 17. and a liquid guide hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a gaseous cooling recovery plant of NMP, including tower body 1 and heat transfer mechanism, one side fixedly connected with intake pipe 6 of tower body 1, furtherly, the one end of intake pipe 6 runs through to the inside bottom of tower body 1, and the interior bottom injection of tower body 1 has the liquid that absorbs NMP and hold gas, such as dissolve in ether, acetone and ester, halohydrocarbon, various organic solvents such as arene, there is motor 2 on the inside top of tower body 1 through mounting bracket fixed mounting, motor 2's output shaft fixedly connected with pivot 9, furtherly, the bottom of pivot 9 is connected with the rotation of the inner wall bottom center department of tower body 1, the bottom fixed surface of pivot 9 is connected with a plurality of puddler 10, the inside middle end fixedly connected with solid fixed cylinder 5 of tower body 1, gu fixed connection has the cover to locate the outside gas guide cylinder 8 of pivot 9 middle end in the bottom of fixed cylinder 5, pivot 9 middle end fixedly connected with helical blade 12, furtherly, helical blade 12 spirals along the ascending direction transport of tower body 1, be provided with hydrojet pipe 3 between motor 2 and the solid fixed cylinder 5, the bottom fixed mounting of hydrojet pipe 3 has a plurality of shower nozzle, heat transfer mechanism includes

heat transfer case

14, 16 and the pump body 15.

Wherein, be provided with drain board 4 between hydrojet 3 and the solid fixed cylinder 5, furtherly, drain board 4 fixed connection has seted up drain hole 17 in the inside of tower body 1 on the drain board 4, and drain hole 17 is the awl point setting to be convenient for to the derivation of drain.

Wherein, heat exchange tube 16 fixed connection is in the inside of heat exchange box 14, pump body 15 fixed mounting is in the outside of heat exchange box 14, the input of pump body 15 passes through the inside bottom intercommunication of pipeline and tower body 1, the output of pump body 15 passes through the pipeline and is connected with the one end of heat exchange tube 16, the other end fixedly connected with of heat exchange tube 16 leads to liquid pipe 13, the one end that leads to liquid pipe 13 runs through heat exchange box 14 and tower body 1 after with the one end intercommunication of hydrojet 3, the one end fixedly connected with feed liquor pipe of heat exchange box 14, the other end fixedly connected with drain pipe of heat exchange box 14, furthermore, coolant liquid enters the inside of heat exchange box 14 from the feed liquor pipe and flows out from the drain pipe again, and heat exchange tube 16 is wave shape, and heat exchange tube 16 is made for the material that the heat conductivity is good, like copper or aluminium, then liquid in the heat exchange tube 16 is through heat exchange box 14 can be absorbed the heat by the coolant liquid fully.

The liquid spraying pipe 3 is fixedly connected with the inside of the tower body 1, the liquid spraying pipe 3 is annularly arranged, the spray head is obliquely arranged, and an included angle between the spray head and the liquid spraying pipe 3 is 30-90 degrees, so that the liquid spraying range of the spray head for spraying liquid is improved.

Wherein, the externally mounted of motor 2 has the protecting crust, furtherly, plays the effect of protection to motor 2 through the protecting crust, avoids motor 2 to use for a long time and receives the damage.

Wherein, the fixed surface of intake pipe 6 installs the check valve, and the one end fixed mounting that tower body 1 was kept away from to intake pipe 6 has fan 7, furtherly, lets outside gas ability unidirectional flow enter the inside of tower body 1, and the top fixedly connected with outlet duct of tower body 1.

The working principle is as follows: when the NMP liquid spraying device is used, firstly, the fan 7 is opened, NMP gas mixed from the outside is introduced into liquid injected into the inside of the tower body 1, the motor 2 and the pump body 15 are started, an output shaft of the motor 2 drives the stirring rod 10 at the bottom end of the rotating shaft 9 to rotate, so that most of the gas is fully absorbed by the gas at the bottom end of the inside of the tower body 1 through liquid and gas, the rotating shaft 9 synchronously drives the spiral blades 12 to rotate, the NMP gas is upwards guided into the fixed cylinder 5 through the spiral blades 12, the pump body 15 extracts the liquid in the tower body 1 through the heat exchange tube 16 and the liquid through the liquid pipe 13, and then the liquid passes through the nozzle of the liquid spraying tube 3, the liquid sprayed from the nozzle passes through the liquid guide hole 17 in the liquid guide plate 4 at the top end of the inside of the tower body 1, on one hand, the sprayed liquid can absorb the residual NMP gas through the liquid guide cylinder, on the other hand, the sprayed liquid is the liquid cooled through the heat exchange box 14, the liquid can pass through the spiral blades 12, the liquid, the downward flowing speed of the liquid can be slowed down through the upward output effect of the spiral blades 12, the liquid can be reduced, the liquid can be quickly, the liquid can be absorbed by the liquid in the bottom end of the tower body 1, and the liquid can be prevented from being quickly evaporated by the liquid, and the liquid in the tower body 1, and the liquid after the liquid is quickly absorbed by the liquid, and the liquid, the liquid in the liquid, the liquid can be quickly absorbed by the liquid sprayed, and the liquid in the tower body 1, and the bottom of the tower body, the liquid can be prevented, and the liquid can be quickly mixed with the liquid, the liquid after the liquid, and the liquid can be quickly evaporated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gaseous cooling recovery plant of NMP, includes tower body (1) and heat transfer mechanism, one side fixedly connected with intake pipe (6) of tower body (1), its characterized in that: the utility model discloses a tower body, including tower body (1), output shaft fixedly connected with pivot (9) of motor (2), the bottom fixed surface of pivot (9) is connected with a plurality of puddler (10), the inside middle-end fixedly connected with solid fixed cylinder (5) of tower body (1), the outside gas guide cylinder (8) of pivot (9) middle-end is located to the fixedly connected with cover in the middle of the bottom of solid fixed cylinder (5), pivot (9) middle-end fixedly connected with helical blade (12), be provided with spray tube (3) between motor (2) and solid fixed cylinder (5), the bottom fixed mounting of spray tube (3) has a plurality of shower nozzle, heat transfer mechanism includes heat transfer case (14), heat exchange tube (16) and the pump body (15).

2. A NMP gas cooling and recovering device according to claim 1, wherein: be provided with drain board (4) between hydrojet (3) and fixed cylinder (5), drain hole (17) have been seted up on drain board (4), drain hole (17) are the awl point setting.

3. A NMP gas cooling and recovering device according to claim 2, wherein: heat exchange tube (16) fixed connection is in the inside of heat transfer case (14), pump body (15) fixed mounting is in the outside of heat transfer case (14), the input of the pump body (15) passes through the inside bottom intercommunication of pipeline and tower body (1), the output of the pump body (15) passes through the pipeline and is connected with the one end of heat exchange tube (16), the other end fixedly connected with of heat exchange tube (16) leads to liquid pipe (13), the one end that leads to liquid pipe (13) runs through heat transfer case (14) and tower body (1) back and the one end intercommunication of hydrojet pipe (3), the one end fixedly connected with feed liquor pipe of heat transfer case (14), the other end fixedly connected with drain pipe of heat transfer case (14), just heat exchange tube (16) are the wave shape.

4. A NMP gas cooling recovery apparatus according to claim 3, wherein: spray tube (3) and the inside fixed connection of tower body (1), just spray tube (3) annular sets up, the shower nozzle be the slope set up and with spray tube (3) between the contained angle be 30-90 degrees.

5. A NMP gas cooling recovery plant of claim 4, characterized in that: and a protective shell is arranged outside the motor (2).

6. A NMP gas cooling recovery apparatus according to claim 5, wherein: the fixed surface of intake pipe (6) installs the check valve, the one end fixed mounting that tower body (1) was kept away from in intake pipe (6) has fan (7), the top fixedly connected with outlet duct of tower body (1).