CN217490096U - Tail gas condensate recovery processing device - Google Patents
Tail gas condensate recovery processing device Download PDFInfo
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- CN217490096U CN217490096U CN202221496485.4U CN202221496485U CN217490096U CN 217490096 U CN217490096 U CN 217490096U CN 202221496485 U CN202221496485 U CN 202221496485U CN 217490096 U CN217490096 U CN 217490096U
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- tail gas
- condensate
- recovery tank
- condensate recovery
- lime set
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Abstract
The application discloses a tail gas condensate recovery processing device, which comprises a condensate recovery tank, tail gas generation tower and lime set output tube, top one side of lime set recovery jar is connected with the tail gas generation tower through the tail gas intake pipe, be provided with the condenser in the tail gas intake pipe, the fixed a plurality of buffer baffle that are provided with of bottom side in the lime set recovery jar, each buffer baffle is formed with the gaseous phase circulation passageway with the top of lime set recovery jar, the through-hole has been seted up on the buffer baffle, the top tail gas exit department of lime set recovery jar is connected with tail gas processing apparatus through the tail gas outlet duct, be provided with the demister near the tail gas export on the tail gas outlet duct, the top outside of lime set recovery jar is provided with the pressure detection table, the inside bottom side lime set output mouth department of lime set recovery jar is provided with the whirl preventer, the one end of lime set output tube and the lime set delivery outlet intercommunication of lime set recovery jar, the other end of lime set output tube is connected with the recovery pump. Through the condensate recovery processing device, the tail gas recovery device can be effectively prevented from carrying liquid.
Description
Technical Field
The application relates to a tail gas treatment technical field especially relates to a tail gas lime set recovery processing device.
Background
Ethyl acetate, also known as ethyl acetate. The pure ethyl acetate is colorless and transparent liquid with pungent smell, is a fine chemical product with wide application, has excellent solubility and quick drying property, has wide application, and is a very important organic chemical raw material and an excellent industrial solvent. At present in ethyl acetate production process, discover when carrying out tail gas recovery processing, when directly utilizing tail gas recovery device to carry out tail gas recovery, the lime set of part natural condensation can make tail gas recovery device take liquid in the tail gas pipeline, cause tail gas recovery system malfunction alerting easily, the automatic shutdown of system, and tail gas recovery system emission tail gas easily exceeds standard under this kind of circumstances, cause harm to the atmosphere, tail gas exceeds standard, tail gas on-line monitoring system exceeds standard and uploads to local environmental protection department, the shutdown may be assigned in environmental protection department supervision, and then cause the system shutdown, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The application provides a tail gas lime set recovery processing device, when having solved among the prior art tail gas recovery processing device direct recovery tail gas, tail gas recovery device takes liquid, and then leads to the problem that exhaust emissions exceeds standard.
In order to solve the technical problem, the application provides a tail gas condensate recovery processing device, which comprises
The tail gas recovery device comprises a condensate recovery tank, a tail gas generation tower and a condensate output pipe, wherein one side of the top of the condensate recovery tank is connected with the tail gas generation tower through a tail gas inlet pipe, a condenser is arranged on the tail gas inlet pipe, a plurality of buffer baffles are fixedly arranged on the inner bottom side of the condensate recovery tank, a gas phase circulation channel is formed between each buffer baffle and the top of the condensate recovery tank, a through hole is formed in each buffer baffle, a tail gas treatment device is connected to a tail gas outlet at the top of the condensate recovery tank through a tail gas outlet pipe, a demister close to the tail gas outlet is arranged on each tail gas outlet pipe, a pressure detection meter is arranged on the outer side of the top of the condensate recovery tank, a cyclone preventer is arranged at the condensate output port at the inner bottom side of the condensate recovery tank, and one end of the condensate output pipe is communicated with a condensate output port of the condensate recovery tank, and the other end of the condensate output pipe is connected with a recovery pump.
In a preferred embodiment, one end of the condensate recovery tank is further connected with a liquid level detection meter.
In a preferred embodiment, an alarm is further disposed on the condensate recovery tank, and the alarm is electrically connected with the liquid level detection meter.
In a preferred embodiment, the condenser is a water-cooled condenser.
In a preferred embodiment, the number of the buffer baffles is two.
In a preferred embodiment, the condensate outlet line is connected to the off-gas generation column.
As a preferred embodiment, a manhole is arranged at the top of the condensate recovery tank, an overhaul cover plate is arranged at the position, close to the manhole, of the condensate recovery tank, and the manhole is connected with the overhaul cover plate through a pin shaft.
As a preferred embodiment, the demister is a wire mesh demister.
Preferably, the condensate outlet pipe is further provided with a check valve.
According to the technical scheme provided by the application, this application provides a tail gas lime set recovery processing device, during the use, tail gas that the tail gas generation tower produced is earlier through the condenser to tail gas condensation, then get into the lime set recovery jar through the tail gas intake pipe in, tail gas gets into the lime set recovery jar when natural condensation on the internal wall of jar, and during through a plurality of buffer baffle, the dwell time of tail gas in the lime set recovery jar has been increased, make gaseous phase and liquid phase in the tail gas separate, the lime set passes through the lime set output tube discharge of lime set recovery jar bottom, gaseous phase is through the tail gas outlet duct of top one side of lime set recovery jar, prevent to smuggle the lime set secretly in the tail gas gaseous phase through the demister, and then discharge in the tail gas processing device through the tail gas outlet duct.
Compared with the prior art, the beneficial effects of the utility model are that:
the condensate recovery tank is added in front of the existing tail gas treatment device, so that the tail gas is naturally condensed to form gas phase and liquid phase separation in the tail gas when passing through the condensate recovery tank, and the vortex phenomenon of the gas phase and the liquid phase in the tail gas is prevented by installing the vortex preventer in the condensate recovery tank, so that the tail gas is prevented from being brought into condensate along with the vortex; through the installation of tail gas outlet department at the lime set recovery tank remove the foam device, further prevent to smuggle the lime set secretly in the tail gas, through tail gas lime set recovery processing device, realized separating the gaseous phase in the tail gas and liquid phase, and then alleviateed tail gas processing apparatus's burden, reduce because of reducing the harm of tail gas to atmosphere.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
Fig. 1 is the utility model provides a structural schematic diagram of a tail gas condensate recovery processing device.
In the figure, 1, a condensate recovery tank; 12. a tail gas inlet pipe; 120. an air intake control valve; 2. a tail gas generation tower; 3. a condenser; 4. a whirl-stop; 5. a buffer baffle; 15. a condensate output pipe; 150. a check valve; 16. a tail gas outlet pipe; 160. an air outlet valve; 6. a tail gas treatment device; 7. a demister; 8. a pressure detection meter; 9. a liquid level detector; 10. a recovery pump; 100. a manhole; 200. a condensate circulating pipe.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
The core of this application is to provide a tail gas lime set recovery processing device, and when can solving the direct tail gas of retrieving of tail gas recovery processing device among the prior art, tail gas recovery device takes liquid, and then leads to the problem that exhaust emissions exceeds standard.
Fig. 1 is the utility model provides a tail gas lime set recovery processing device's schematic structure, as shown in fig. 1, this device includes:
the condensate recovery tank 1 is cylindrical, specifically, the size of the condensate recovery tank 1 can be determined according to actual requirements, a tail gas inlet is formed in one side of the top of the condensate recovery tank 1, the tail gas inlet of the condensate recovery tank 1 is connected with a tail gas inlet pipe 12, the other end of the tail gas inlet pipe 12 is connected with a tail gas generation tower 2, a condenser 3 is arranged on the tail gas inlet pipe 12, the condenser 3 is used for condensing tail gas generated in the tail gas generation tower 2, the structure and the working principle of the condenser 3 can refer to the prior art, and are not repeated herein, a plurality of buffer baffles 5 are fixedly arranged inside the condensate recovery tank 1, one ends of the buffer baffles 5 are connected with the bottom of the condensate recovery tank 1, the other ends of the buffer baffles form a gas phase circulation channel with the top of the condensate recovery tank 1, and the buffer baffles 5 can buffer tail gas entering the condensate recovery tank 1, and can increase the area of contact of tail gas and buffer stop 5, and then can increase the natural condensation of tail gas for fine liquid drop in the tail gas can be attached to buffer stop 5, has evenly seted up the through-hole on the buffer stop 5, and the tail gas liquid phase of condensation flows to the lime set delivery outlet of lime set recovery tank 1 through the through-hole on the buffer stop 5.
The top other end of congealing liquid recovery tank 1 is provided with tail gas outlet intercommunication and has tail gas outlet pipe 16, installs demister 7 on the tail gas outlet pipe 16, and demister 7 is close to the tail gas outlet department of congealing liquid recovery tank 1, separates the liquid foam of smuggleing secretly in with tail gas through demister 7, and prior art can be seen to the theory of operation and the structure of demister 7. The other end of the tail gas outlet pipe 16 is connected with a tail gas treatment device 6, the gas which is not condensed by the tail gas treatment device 6 is treated, and the tail gas treatment device 6 is the prior art.
The top outside of congealing liquid recovery tank 1 is provided with pressure detection table 8, congeal liquid recovery tank 1 inside bottom side is close to congeal liquid delivery outlet department and is provided with whirl preventer 4, congeal liquid delivery outlet intercommunication of congealing liquid recovery tank 1 has congeal liquid output tube 15, the other end of congealing liquid output tube is connected with dredge pump 10, in the time of the in-service use, start dredge pump 10 and make the tail gas liquid phase in congealing liquid recovery tank 1 discharged, install whirl preventer 4 in congealing liquid delivery outlet department of liquid recovery tank 1, produce the whirl when can eliminating tail gas liquid phase and discharge, in order to ensure that dredge pump 10 can start and normally work always the full force, avoid the air to get into dredge pump 10 and produce the cavitation phenomenon, specifically, the theory of operation and the structure of whirl preventer 4 refer to prior art. The recycling pump 10, the air inlet control valve 120 on the tail gas inlet pipe 12 and the air outlet valve 160 on the tail gas outlet pipe 16 are respectively communicated with the controller through electric signals.
In addition to the above-mentioned embodiments, as a preferable embodiment, one end of the condensate recovery tank is further connected with a liquid level detection meter 9, and the liquid level detection meter 9 is electrically connected with the controller. The liquid level of the condensate recovery tank 1 can be monitored in real time through the liquid level detection meter 9, and then the closing of the air inlet control valve 120 and the opening of the recovery pump 10 are controlled, so that the operation is convenient, and the personnel do not need to take care of the operation. As a preferred embodiment, the condensate recovery tank 1 is further provided with an alarm, the alarm is not shown in the figure, the alarm is electrically connected with the liquid level detection meter 9, and when the liquid level detection meter 9 breaks down, the alarm can be used for enabling a maintainer to overhaul.
In a preferred embodiment, the condenser 3 is a water-cooled condenser, which takes away heat generated by condensation of the high-temperature exhaust gas discharged from the exhaust gas generation tower 2, and the cooling water can be recycled. In a preferred embodiment, the number of the buffer baffles 5 is two, and the tail gas entering the condensate recovery tank 1 is effectively buffered by the two buffer baffles 5.
Since the liquid phase of the tail gas discharged from the condensate recovery tank 1 contains a large amount of methanol, acetaldehyde, ethanol, etc., the apparatus further comprises, as a preferred embodiment: and one end of the condensate circulating pipe 200 is connected with the tail gas generation tower 2, the other end of the condensate circulating pipe 200 is connected with the recovery pump 10, and the discharged condensate is discharged into the tail gas generation tower 2 again through the condensate circulating pipe 200 to be reused.
In order to facilitate the maintenance of the buffer baffle 5 and the vortex flow preventer 4 arranged inside the condensate recovery tank 1, on the basis of the above embodiment, as a preferred implementation manner, a manhole is arranged at the top of the condensate recovery tank 1, an maintenance cover plate is arranged at a position of the condensate recovery tank 1 close to the manhole 100, and the manhole and the maintenance cover plate are connected through a pin shaft.
In order to effectively separate the liquid foam of the tail gas discharged from the condensate recovery tank 1, on the basis of the above embodiment, as a preferred embodiment, the demister 7 is a wire mesh demister, which has a simple structure, high working efficiency and a good separation effect. In addition to the above-described embodiments, the condensate outlet pipe 15 is further provided with a check valve 150, and the discharge of the condensate from the condensate recovery tank 1 is controlled by the check valve 150.
The application provides a tail gas lime set recovery processing device, during the use, tail gas that the tail gas generation tower produced carries out the condensation through the condenser to tail gas earlier, then get into the lime set recovery jar through the tail gas intake pipe in, tail gas is at the natural condensation on the internal wall of jar when getting into the lime set recovery jar, and during through a plurality of buffering baffle, the dwell time of tail gas in the lime set recovery jar has been increased, make gaseous phase and liquid phase in the tail gas separate, the lime set passes through the lime set output tube discharge of lime set recovery jar bottom, the gaseous phase is through the tail gas outlet duct of top one side of lime set recovery jar, prevent to smugglomerate secretly in the tail gas gaseous phase through removing the foam device, and then discharge in the tail gas processing device through the tail gas outlet duct.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (9)
1. The utility model provides a tail gas lime set recovery processing device which characterized in that includes:
the device comprises a condensate recovery tank (1), a tail gas generation tower (2) and a condensate output pipe (15), wherein one side of the top of the condensate recovery tank (1) is connected with the tail gas generation tower (2) through a tail gas inlet pipe (12), a condenser (3) is arranged on the tail gas inlet pipe (12), a plurality of buffer baffles (5) are fixedly arranged on the inner bottom side of the condensate recovery tank (1), each buffer baffle (5) and the top of the condensate recovery tank (1) are formed with a gas phase circulation channel, a through hole is formed in each buffer baffle (5), a tail gas treatment device (6) is connected to the tail gas outlet at the top of the condensate recovery tank (1) through a tail gas outlet pipe (16), a demister (7) close to the tail gas outlet is arranged on each tail gas outlet pipe (16), and a pressure detection meter (8) is arranged on the outer side of the top of the condensate recovery tank (1), the utility model discloses a condensate recovery tank, including condensate recovery tank (1), the inside bottom side condensate delivery outlet department of condensate recovery tank (1) is provided with whirl preventer (4), the one end of condensate output tube (15) with the condensate delivery outlet intercommunication of condensate recovery tank (1), the other end of condensate output tube (15) is connected with recovery pump (10).
2. The tail gas condensate recovery processing device according to claim 1, wherein a liquid level detector (9) is further connected to one side of the exterior of the condensate recovery tank (1).
3. The tail gas condensate recovery processing device according to claim 2, wherein an alarm is further arranged on the condensate recovery tank (1), and the alarm is electrically connected with the liquid level detector (9).
4. The tail gas condensate recovery processing device according to claim 1, wherein the condenser (3) is a water-cooled condenser.
5. The tail gas condensate recovery processing device according to claim 1, characterized in that the number of the buffer baffles (5) is two.
6. The tail gas condensate recovery processing device of claim 1, further comprising:
and one end of the condensate circulating pipe (200) is connected with the tail gas generation tower (2), and the other end of the condensate circulating pipe (200) is connected with the recovery pump (10).
7. The tail gas condensate recovery processing device according to claim 1, wherein a manhole (100) is arranged at the top of the condensate recovery tank (1), an overhaul cover plate is arranged at a position of the condensate recovery tank (1) close to the manhole (100), and the manhole (100) and the overhaul cover plate are connected through a pin shaft.
8. The tail gas condensate recycling device of claim 1, wherein the demister (7) is a wire mesh demister.
9. The tail gas condensate recycling device of claim 1, wherein the condensate outlet pipe (15) is further provided with a check valve (150).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221496485.4U CN217490096U (en) | 2022-06-14 | 2022-06-14 | Tail gas condensate recovery processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221496485.4U CN217490096U (en) | 2022-06-14 | 2022-06-14 | Tail gas condensate recovery processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217490096U true CN217490096U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221496485.4U Active CN217490096U (en) | 2022-06-14 | 2022-06-14 | Tail gas condensate recovery processing device |
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| Country | Link |
|---|---|
| CN (1) | CN217490096U (en) |
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2022
- 2022-06-14 CN CN202221496485.4U patent/CN217490096U/en active Active
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