CN218553624U - High-efficient recovery unit - Google Patents
High-efficient recovery unit Download PDFInfo
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- CN218553624U CN218553624U CN202223026359.5U CN202223026359U CN218553624U CN 218553624 U CN218553624 U CN 218553624U CN 202223026359 U CN202223026359 U CN 202223026359U CN 218553624 U CN218553624 U CN 218553624U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a high-efficiency recovery device, which belongs to the technical field of recovery and mainly aims to solve the problems of low recovery efficiency and insufficient concentration of the existing recovery device, and comprises a coating machine; the gas transmission pipeline is fixedly connected inside the coating machine; the drying agent box is fixedly arranged at one end of the gas transmission pipeline; the recovery tower is fixedly arranged at the top end of the gas transmission pipeline; the recovery tower is also provided with: the waste gas channel is fixedly connected to the bottom layer of the recovery tower; the waste liquid discharge pump is fixedly connected to one end of the waste gas channel; the second gas pipeline is fixedly connected to the bottom layer of the recovery tower; the valve is fixedly arranged on the pipeline of the second gas pipeline; the waste liquid tank is fixedly arranged at one end of the second gas transmission pipeline; the utility model discloses, through three kinds of recovery modes, improved the efficiency and the concentration of retrieving.
Description
Technical Field
The utility model relates to a retrieve technical field, specifically be a high-efficient recovery unit.
Background
There are two current ways to recover NMP gas: in the freezing recovery type and the wheel recovery type, generally, when NMP gas is recovered, NMP is condensed from air by using cooling water and a cooling water tray, and then the NMP gas is collected and purified, but the purification concentration is low and the efficiency is slow in the manner, so that a high-efficiency recovery device is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient recovery unit to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: an efficient recovery device comprises a coating machine; the gas transmission pipeline is fixedly connected inside the coating machine;
the drying agent box is fixedly arranged at one end of the gas transmission pipeline;
the first gas transmission pipeline is fixedly connected inside the drying agent box;
the recovery tower is fixedly arranged at the top end of the first gas transmission pipeline;
according to the technical scheme, the recovery tower is further provided with:
the waste gas channel is fixedly connected to the bottom layer of the recovery tower;
the waste liquid discharge pump is fixedly connected to one end of the waste gas channel;
the second gas pipeline is fixedly connected to the bottom layer of the recovery tower;
the valve is fixedly arranged on the pipeline of the second gas pipeline;
the waste liquid tank is fixedly arranged at one end of the second gas transmission pipeline;
the infusion tube is fixedly arranged at the bottom of the waste liquid tank;
the switch valve is fixedly arranged on a pipeline of the infusion tube;
according to the technical scheme, the recovery tower is further provided with:
the condensation pipeline is fixedly connected to the middle layer of the recovery tower;
the circulating spray pump is fixedly arranged on a pipeline of the condensation pipeline;
the condenser is fixedly arranged at one end of the condensing pipeline;
the second condensation pipeline is fixedly arranged at the bottom of the condenser;
according to the technical scheme, the recovery tower is further provided with:
the pure water pipeline is fixedly connected to the upper layer of the recovery tower;
the electromagnetic valve is fixedly arranged on a pipeline of the pure water pipeline;
the pure water spraying pump is fixedly arranged at one end of the pure water pipeline;
the pure water tank is fixedly installed at the top end of the pure water pipeline.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model relates to a high-efficient recovery unit through being provided with the drier case, has absorbed the vapor in the air, has improved NMP's recovery concentration.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged schematic view of the region a of the present invention;
fig. 3 is an enlarged schematic view of the region B of the present invention;
FIG. 4 is a schematic view of the internal structure of the recovery tower of the present invention;
in the figure: 1. coating machine; 2. an air inlet pipe; 3. a recovery tower; 3-1, a waste liquid storage part; 3-2, a heat recovery part; 3-3, a gas recovery section; 4. a waste liquid tank; 5. a condenser; 6. a pure water tank; 7. a second gas transmission pipeline; 8. an exhaust gas passage; 9. a waste liquid discharge pump; 10. a valve; 11. an on-off valve; 12. a transfusion tube; 13. a circulating spray pump; 14. a desiccant tank; 15. a pure water spray pump; 16. an electromagnetic valve; 17. a second condensing conduit; 18. a condensing duct; 19. a pure water pipeline; 20. a first gas transmission pipeline.
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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an efficient recovery device comprises a coating machine 1 and a gas transmission pipeline 2 fixedly connected inside the coating machine 1;
one end of the gas transmission pipeline 2 is fixedly provided with a drying agent box 14 for absorbing water vapor in the waste gas, the interior of the drying agent box 14 is fixedly connected with a first gas transmission pipeline 20, one end of the first gas transmission pipeline 20 is fixedly connected with a recovery tower 3, the gas acted by the drying agent box 2 is transmitted into the recovery tower 3 through the first gas transmission pipeline 20, the interior of the recovery tower 3 has a multilayer structure, the bottom layer 3-1 is an NMP waste liquid storage part, the middle layer 3-2 is a heat recovery part, and the upper layer 3-3 is a gas recovery part;
a waste gas channel 8 is fixedly connected with a waste liquid storage part at the bottom layer 3-1 of the recovery tower 3, one end of the waste gas channel 8 is fixedly connected with a waste liquid discharge pump 9, a second gas transmission pipeline 7 is fixedly connected with the bottom layer of the recovery tower 3, a valve 10 is arranged on the second gas transmission pipeline 7, a waste liquid tank 4 is fixedly arranged at one end of the second gas transmission pipeline 7, a liquid conveying pipe 12 is fixedly arranged at the bottom of the waste liquid tank 4, and a switch valve 11 is arranged on the liquid conveying pipe 12;
a condensation pipeline 18 is fixedly arranged on a heat recovery part of the middle layer 3-2 of the recovery tower 3, a circulating spray pump 13 is arranged on the condensation pipeline 18, a condenser 5 is fixedly arranged at one end of a condensation channel 18, a second condensation pipeline 17 is fixedly arranged at the top of the condenser 5, and one end of the second condensation pipeline 17 is fixedly connected with the recovery tower 3;
the upper layer 3-3 gas recovery part of the recovery tower 3 is fixedly connected with a pure water pipeline 19, an electromagnetic valve 16 is arranged on the pure water pipeline 19, one end of the pure water pipeline 19 is fixedly provided with a pure water spray pump 15, and the pure water spray pump 15 is fixedly connected with a pure water tank 6 through the pure water pipeline 19.
The working principle is as follows:
firstly, a power pump outside the coating machine 1 provides power, so that NMP-containing waste gas discharged by the coating machine 1 reaches a drying agent box 3 through a gas transmission pipeline 2, the drying agent box 3 absorbs water vapor in the waste gas, and the absorbed NMP waste gas enters a recovery tower 3 through a first gas transmission pipeline 20;
NMP waste gas enters from the bottom of a recovery tower 3, the NMP waste gas is absorbed by utilizing the characteristic of high water solubility of NMP, a part of the NMP waste gas is dissolved in a waste liquid storage part 3-1 at the bottom of the tower after entering, the dissolved waste liquid reaches a waste liquid efflux pump 9 through a waste gas channel 8 at the moment, the waste liquid efflux pump 9 circularly discharges a part of the waste liquid into the recovery tower 3 through a second gas transmission pipeline 7, a valve 10 is opened, the other part of the waste liquid is discharged into a waste liquid tank 4, a switch valve 11 is opened, the waste liquid is discharged through a liquid transmission pipe, and primary absorption and recovery of the NMP waste gas are realized;
the undissolved waste gas reaches a middle-layer heat recovery part 3-2 of the recovery tower 3, a circulating spray pump 13 is turned on, the waste gas is pumped into a condenser 5 through a condensing pipeline 18, the condenser 5 cools the waste gas into liquid, and the secondary recovery of NMP waste gas is realized;
and (3) opening a pure water spray pump 15, pumping pure water in the pure water tank 6 into an upper layer gas recovery part 3-3 of the recovery tower 3, absorbing NMP steam and realizing three-level recovery of NMP waste gas.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An efficient recovery device, which is characterized in that: the method comprises the following steps: a coater (1); the gas transmission pipeline (2) is fixedly connected inside the coating machine (1);
the drying agent box (14), the drying agent box (14) is fixedly arranged at one end of the gas transmission pipeline (2);
the first gas transmission pipeline (20), the first gas transmission pipeline (20) is fixedly connected to the inside of the desiccant box (14);
the recovery tower (3) is fixedly arranged at the top end of the first gas transmission pipeline (20).
2. A high efficiency recovery device as defined in claim 1, wherein: the recovery tower (3) is also provided with:
the waste gas channel (8), the waste gas channel (8) is fixedly connected to the bottom layer of the recovery tower (3);
the waste liquid discharge pump (9), the waste liquid discharge pump (9) is fixedly connected to one end of the waste gas channel (8);
the second gas pipeline (7), the said second gas pipeline (7) is connected to the bottom layer of the recovery tower (3) fixedly;
the valve (10), the said valve (10) is fixedly mounted on pipeline of the second gas transmission pipeline (7);
the waste liquid tank (4), the waste liquid tank (4) is fixedly arranged at one end of the second gas transmission pipeline (7);
the infusion tube (12), the infusion tube (12) is fixedly arranged at the bottom of the waste liquid tank (4);
the switch valve (11), switch valve (11) fixed mounting is on the pipeline of transfer line (12).
3. A high efficiency recovery device as defined in claim 2, wherein: the recovery tower (3) is also provided with:
the condensation pipeline (18), the said condensation pipeline (18) is fixedly connected to the middle floor of the recovery tower (3);
the circulating spraying pump (13), the said circulating spraying pump (13) is fixedly mounted on pipeline of the condensation duct (18);
the condenser (5), the said condenser (5) is fixedly mounted to one end of the condensation pipeline (18);
and the second condensation pipeline (17), wherein the second condensation pipeline (17) is fixedly arranged at the bottom of the condenser (5).
4. A high efficiency recovery device as defined in claim 3, wherein: the recovery tower (3) is also provided with:
the pure water pipeline (19), the pure water pipeline (19) is fixedly connected to the upper layer of the recovery tower (3);
the electromagnetic valve (16), the said electromagnetic valve (16) is fixedly mounted on pipeline of the pure water pipeline (19);
the pure water spraying pump (15), the pure water spraying pump (15) is fixedly installed at one end of the pure water pipeline (19);
the pure water tank (6), the pure water tank (6) is fixedly installed at the top end of the pure water pipeline (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223026359.5U CN218553624U (en) | 2022-11-15 | 2022-11-15 | High-efficient recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223026359.5U CN218553624U (en) | 2022-11-15 | 2022-11-15 | High-efficient recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218553624U true CN218553624U (en) | 2023-03-03 |
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ID=85324152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223026359.5U Active CN218553624U (en) | 2022-11-15 | 2022-11-15 | High-efficient recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218553624U (en) |
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2022
- 2022-11-15 CN CN202223026359.5U patent/CN218553624U/en active Active
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