CN210544184U - Extract trade tail gas processing apparatus - Google Patents
Extract trade tail gas processing apparatus Download PDFInfo
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- CN210544184U CN210544184U CN201921401970.7U CN201921401970U CN210544184U CN 210544184 U CN210544184 U CN 210544184U CN 201921401970 U CN201921401970 U CN 201921401970U CN 210544184 U CN210544184 U CN 210544184U
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Abstract
An extraction industry tail gas treatment device belongs to the technical field of tail gas treatment equipment. The method is characterized in that: the tail gas exhaust device comprises a condensing device (1), a material box (2) and a negative pressure pumping device, wherein a tail gas input pipe (7) is communicated with a condensation gas inlet pipe (23) of the condensing device (1), a condensation gas outlet pipe (24) of the condensing device (1) is communicated with a material box gas inlet pipe (26) of the material box (2), a material box gas outlet pipe (30) of the material box (2) is communicated with the negative pressure pumping device, and an output end of the material box gas inlet pipe (26) is lower than the bottom of the material box (2). This extract trade tail gas processing apparatus can enough avoid the direct emission of tail gas to cause the pollution to the environment, can realize the recovery of solvent again and recycle.
Description
Technical Field
An extraction industry tail gas treatment device belongs to the technical field of tail gas treatment equipment.
Background
The extraction is that animals and plants are used as raw materials, one or more active ingredients in the raw materials are directionally obtained and concentrated through physical and chemical extraction and separation procedures according to the requirements of the application of the extracted product, and the structure of the active ingredients is not changed, so that the required product is finally formed.
In the extraction industry, solvent vapor or solvent liquid is contained in the tail gas of the extraction industry because the extraction is usually carried out by using a solvent. At present, in the extraction industry, tail gas is usually directly discharged into air, the direct discharge of the tail gas can cause pollution to the environment, and the solvent is also wasted.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide one kind and can avoid tail gas pollution environment's the trade tail gas processing apparatus that draws with the solvent separation recovery in the tail gas.
The utility model provides a technical scheme that its technical problem adopted is: this draw trade tail gas processing apparatus, its characterized in that: the tail gas input pipe is communicated with a condensation air inlet pipe of the condensing device, a condensation air outlet pipe of the condensing device is communicated with a feed box air inlet pipe of the feed box, a feed box air outlet pipe of the feed box is communicated with the negative pressure pumping device, and an output end of the feed box air inlet pipe extends to the bottom of the feed box.
Preferably, condensing equipment include cooling cylinder, filter screen and gas-liquid separation device, the filter screen sets up in the cooling cylinder to separate the cooling cylinder inner chamber for condensate water chamber and separation chamber, gas-liquid separation device sets up at the separation intracavity, gas-liquid separation device's bottom is connected with the separation oil pipe that extends outside the cooling cylinder, gas-liquid separation device's middle part is linked together through check valve and separation chamber, the condensation intake pipe is linked together with gas-liquid separation device, the input of condensation outlet duct is linked together with the top in condensate water chamber.
Preferably, the gas-liquid separation device comprises a coil pipe and a gas-liquid separation cylinder, the coil pipe is arranged on the upper side of the gas-liquid separation cylinder, the input end of the coil pipe is communicated with the output end of the condensation air inlet pipe, the output end of the coil pipe is communicated with the top of the gas-liquid separation cylinder, the input end of the separation oil outlet pipe is communicated with the bottom of the gas-liquid separation cylinder, and the middle of the gas-liquid separation cylinder is communicated with the separation cavity through a one-way valve.
Preferably, the separation intracavity be provided with vertical oil baffle, oil baffle's upper and lower both ends set up with the corresponding side interval of condenser tank respectively, be provided with the oil drain valve on the condenser tank, the oil drain valve setting is at oil baffle upside.
Preferably, the workbin include the workbin main part, the input of workbin outlet duct is linked together with the top of workbin main part, the output of workbin inlet duct extends to the bottom of workbin main part.
Preferably, the output end of the feed box air inlet pipe is provided with an air distribution head, one end of the air distribution head is communicated with the feed box air inlet pipe, the other end of the air distribution head is sealed, the air distribution head is a cone which gradually increases along the direction away from the feed box air inlet pipe, and a plurality of through holes are formed in the sealed end of the air distribution head at intervals.
Preferably, the upper side of the material box is provided with a liquid collecting device, the liquid collecting device is communicated with the material box, and the input end of the gas outlet pipe of the material box is communicated with the top of the liquid collecting device.
Preferably, the liquid collecting device comprises a liquid collecting barrel and a liquid collecting plate, the liquid collecting barrel is a square barrel with the upper end sealed, the lower end of the liquid collecting barrel is communicated with the feed box, the upper end of the liquid collecting barrel is communicated with an air outlet pipe of the feed box, the liquid collecting plate is arranged in the liquid collecting barrel, one side of the liquid collecting plate is connected with the liquid collecting barrel, the other side of the liquid collecting plate is arranged at an interval with the inner wall of the liquid collecting barrel, and one side of the liquid collecting plate, which is connected with the liquid.
Preferably, the liquid collecting plates are arranged at intervals from top to bottom, and every two adjacent liquid collecting plates are respectively connected with two opposite sides of the liquid collecting cylinder.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. this draw trade tail gas processing apparatus's condensing equipment can condense tail gas, makes the liquefaction of solvent steam, and the output of workbin intake pipe is less than the input setting of workbin outlet duct, and the workbin bottom that extends of workbin intake pipe to hold back through the solvent after placing the material condensation in the workbin, detach the solvent in the tail gas, can enough avoid tail gas direct discharge to cause the pollution to the environment, can realize the recovery of solvent again and recycle.
2. Gas-liquid separation can separate liquefied solvent and tail gas, and the filter screen can cross further and filter the comdenstion water that passes through to avoid the solvent to enter into the comdenstion water chamber, greatly reduced through the content of solvent in the condensation outlet duct combustion gas, the solvent oil of separation can directly discharge, makes things convenient for reuse.
3. The coil pipe can with the comdenstion water heat transfer of separation intracavity to make the tail gas cooling, guarantee solvent steam liquefaction, in the solvent after the liquefaction enters into gas-liquid separation section of thick bamboo, and discharge through the separation oil pipe of bottom, tail gas enters into the condensate water of separation intracavity through gas-liquid separation section of thick bamboo middle part, and washs tail gas through the comdenstion water once more, guarantees the separation effect.
4. The oil baffle plate is convenient for the oil drain valve to discharge the solvent oil entering the separation cavity.
5. The output end of the feed box air inlet pipe extends to the bottom of the feed box main body and can intercept tail gas entering the feed box main body again, so that the solvent in the tail gas is completely removed.
6. The gas distribution head can enable gas to be uniformly dispersed into liquid in the material box main body, and the tail gas is ensured to be fully contacted with materials in the material box main body.
7. The liquid collecting plate can block airflow, so that liquid molecules in the airflow are gathered on the liquid collecting plate, and the liquid on the liquid collecting plate can flow down conveniently due to the inclined arrangement of the liquid collecting plate; the liquid collecting plates are arranged at intervals, so that liquid molecules in the gas can be better removed.
Drawings
Fig. 1 is a schematic structural diagram of an extraction industry tail gas treatment device.
Fig. 2 is a front cross-sectional view of a condensing unit.
Figure 3 is a front cross-sectional schematic view of a bin.
Fig. 4 is a front sectional view of the adsorption apparatus.
In the figure: 1. the device comprises a condensing device 2, a feed box 3, a heat exchanger 4, an adsorption device 5, a circulating pump 6, a vacuum pump 7, a tail gas input pipe 8, a tail gas input valve 9, a water discharge port 10, a feed pipe 11, a feed valve 12, an exhaust pipe 13, an exhaust valve 14, a condensing box 15, a filter screen 16, an oil baffle plate 17, an oil discharge valve 18, a coil pipe 19, a gas-liquid separation cylinder 20, a separation gas outlet pipe 21, a separation oil outlet pipe 22, a separation oil outlet valve 23, a condensation gas inlet pipe 24, a condensation gas outlet pipe 25, a feed box main body 26, a feed box gas inlet pipe 27, a gas distribution head 28, a liquid collection cylinder 29, a liquid collection plate 30, a feed box gas outlet pipe 31, an adsorption cylinder 32.
Detailed Description
Fig. 1 to 4 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 4.
This draw trade tail gas processing apparatus, including condensing equipment 1, workbin 2 and take out negative pressure device, tail gas input tube 7 is linked together with condensing equipment 1's condensation intake pipe 23, and condensing equipment 1's condensation outlet duct 24 is linked together with workbin intake pipe 26 of workbin 2, and workbin outlet duct 30 of workbin 2 is linked together with taking out negative pressure device, and the output of workbin intake pipe 26 extends to workbin 2 bottoms. This draw trade tail gas processing apparatus's condensing equipment 1 can condense tail gas, make solvent steam liquefaction, the output of workbin intake pipe 26 is less than the input setting of workbin outlet duct 30, workbin intake pipe 26 extend 2 bottoms of workbin to solvent through placing behind the material condensation in the workbin 2 holds back, detach the solvent in the tail gas, can enough avoid tail gas direct discharge to cause the pollution to the environment, can realize again that the recovery of solvent recycles.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Specifically, the method comprises the following steps: as shown in fig. 1: tail gas input tube 7 links to each other with the input of condensation intake pipe 23, the output of condensation outlet duct 24 links to each other with the input of workbin intake pipe 26 of workbin 2, the output of workbin outlet duct 30 of workbin 2 links to each other with taking out negative pressure device, it is vacuum pump 6 or fan to take out negative pressure device, in this embodiment, it is vacuum pump 6 to take out negative pressure device, vacuum pump 6's output is connected with blast pipe 12, be provided with discharge valve 13 on the blast pipe 12 to can be with the exhaust emission after purifying to the atmosphere in. And a tail gas input valve 8 is arranged on the tail gas input pipe 7, so that the on-off of tail gas input can be controlled, and the use is convenient.
Be provided with adsorption equipment 4 between vacuum pump 6 and workbin outlet duct 30, adsorption equipment 4 can adsorb workbin 2 exhaust tail gas, guarantees to discharge to the tail gas in the atmosphere qualified, avoids causing the pollution to the environment, moreover through condensing equipment 1 and workbin 2's setting, can improve adsorption equipment 4's life greatly.
Condensing equipment 1 condenses tail gas through the comdenstion water, condensing equipment 1 is connected with heat exchanger 3, the tube side entry of heat exchanger 3 is linked together with condensing equipment 1's bottom, the tube side export of heat exchanger 3 is linked together with condensing equipment 1's well lower part, be provided with circulating pump 5 between the tube side export of heat exchanger 3 and the condensing equipment 1, the shell side entry linkage of heat exchanger 3 has the inlet tube, the shell side exit linkage of heat exchanger 3 has the outlet pipe, thereby cool off the comdenstion water in the condensing equipment 1 through heat exchanger 3, condensing equipment 1's condensation effect has been guaranteed, can also avoid having the solvent in the comdenstion water in the condensing equipment 1, direct emission can the problem of polluted environment.
The feed box 2 is provided with the feed pipe 10, materials can be added into the feed box 2 through the feed pipe 10, the feed pipe 10 is provided with the feed valve 11, and tail gas can be prevented from being discharged from the feed pipe 10 in the working process.
As shown in fig. 2: condensing equipment 1 includes condensing box 14, filter screen 15 and gas-liquid separation device, and condensing box 14 is the cuboid box, and the vertical setting of filter screen 15 is in condensing box 14 to separate condensing box 14 for left separation chamber and the condensate cavity on right side, the bottom in condensate cavity is provided with drain 9, and the tube side entry of heat exchanger 3 is linked together with drain 9, and the tube side export of heat exchanger 3 is linked together with the well upper portion in separation chamber. The output end of the condensation air outlet pipe 24 is communicated with the top of the condensation water cavity. The gas-liquid separation device is arranged in the separation cavity, and the output end of the condensation air inlet pipe 23 is communicated with the gas-liquid separation device.
The separation intracavity still is provided with vertical fender oil board 16, and fender oil board 16 sets up between gas-liquid separation device and filter screen 15, and the upper and lower both ends of fender oil board 16 set up with the corresponding side interval of condenser box 14 respectively, is provided with oil drain valve 17 on the condenser box 14, and oil drain valve 17 sets up directly over fender oil board 16, can discharge the solvent naphtha that gas-liquid separation device separation is not thorough.
The gas-liquid separation device comprises a coil 18 and a gas-liquid separation cylinder 19, the coil 18 is arranged right above the gas-liquid separation cylinder 19, the upper end of the coil 18 is communicated with the output end of a condensation gas inlet pipe 23, and the lower end of the coil 18 is communicated with the upper end of the gas-liquid separation cylinder 19. The gas-liquid separation cylinder 19 is a vertically arranged cylinder, and the upper end and the lower end of the gas-liquid separation cylinder 19 are both tapered, the diameter of which is gradually reduced along the direction far away from the middle part of the gas-liquid separation cylinder 19, so that the pipeline is convenient to connect. The bottom of the gas-liquid separation cylinder 19 is connected with a separation oil outlet pipe 21, the output end of the separation oil outlet pipe 21 extends out of the condensation tank 14, and a separation oil outlet valve 22 is arranged on the separation oil outlet pipe 21, so that the on-off of the separation oil outlet pipe 21 can be controlled conveniently. The middle part of the gas-liquid separation cylinder 19 is connected with a separation outlet pipe 20, the output end of the separation outlet pipe 20 is arranged in the separation cavity on one side of the oil baffle 16, and a one-way valve is arranged on the separation outlet pipe 20, so that water in the condensation box 14 can be prevented from entering the gas-liquid separation cylinder 19.
The tail gas exchanges heat with the condensed water through the coil pipe 18, so that the solvent steam in the tail gas is liquefied, the liquefied solvent enters the gas-liquid separation cylinder 19 and falls to the bottom of the gas-liquid separation cylinder 19, and the tail gas enters the separation cavity through the separation gas outlet pipe 20 in the middle.
As shown in fig. 3: workbin 2 includes workbin main part 25, and workbin main part 25 is the cuboid box, and the vertical setting of workbin intake pipe 26, and the output of workbin intake pipe 26 is stretched into workbin main part 25 by the top of workbin main part 25 in to extend the bottom of workbin main part 25.
The output of workbin intake pipe 26 is connected with gas distribution head 27, the vertical setting of gas distribution head 27, gas distribution head 27 is the tube-shape, gas distribution head 27's upper end is linked together with workbin intake pipe 26's output, the lower extreme seals the setting, gas distribution head 27 is the toper that from top to bottom diameter crescent, the interval is provided with a plurality of through-holes on gas distribution head 27's the closed end, thereby make entering into workbin main part 25 of tail gas dispersion in, guarantee that tail gas fully contacts with the material in the workbin main part 25, thereby wash tail gas, detach the solvent steam in the tail gas completely. The output of filling tube 10 is linked together with the top of workbin main part 25 to directly add liquid below the liquid level, can avoid tail gas direct discharge from filling tube 10.
The upside of workbin main part 25 is provided with album liquid device, and album liquid device includes album liquid section of thick bamboo 28 and album liquid board 29, and album liquid section of thick bamboo 28 is the square section of thick bamboo of vertical setting, and the upper end of album liquid section of thick bamboo 28 seals the setting, and the lower extreme is linked together with workbin main part 25 inner chamber, and the input of workbin outlet duct 30 is linked together with album upper end of liquid section of thick bamboo 28 to can make tail gas discharge smoothly. The liquid collecting plates 29 are arranged in the liquid collecting barrel 28, one side of each liquid collecting plate 29 is connected with the inner wall of the liquid collecting barrel 28, the other side of each liquid collecting plate 29 is arranged at intervals with the inner wall of the corresponding side of the liquid collecting barrel 28, in the embodiment, a plurality of liquid collecting plates 29 are arranged at intervals from bottom to top, every two adjacent liquid collecting plates 29 are respectively connected with two opposite sides of the liquid collecting barrel 28, so that a rotary channel is formed in the inner wall of the liquid collecting barrel 28, liquid in tail gas can be accumulated on the liquid collecting plates 29, one side, connected with the liquid collecting barrel 28, of each liquid collecting plate 29 is higher than the other side in an inclined mode, the liquid accumulated on the liquid collecting plates 29 can flow into the material box main body 25.
As shown in fig. 4: adsorption equipment 4 is including adsorbing a section of thick bamboo 31 and setting up the filter plate 32 in adsorbing a section of thick bamboo 31, it is the drum of vertical setting to adsorb a section of thick bamboo 31, the upper end of adsorbing a section of thick bamboo 31 is provided with adsorbs gas outlet 35, the lower extreme of adsorbing a section of thick bamboo 31 is provided with adsorbs air inlet 34, filter plate 32 is provided with two from top to bottom intervals, filter plate 32 and 31 inner wall sealing connection adsorb a section of thick bamboo, it is filled with active carbon 33 to adsorb a section of thick bamboo 31 intussuseption between two filter plates 32, adsorb tail gas through active carbon, because condensing equipment 1 and workbin 2 have preferentially detached solvent steam and the liquid drop in the tail gas, thereby the life of active carbon has.
The working process of the extraction industry tail gas treatment device is as follows: the vacuum pump 6 works, so that tail gas enters the device, the tail gas firstly enters the coil pipe 18, solvent steam in the tail gas is condensed and liquefied in the coil pipe 18, and liquefied solvent liquid drops enter the gas-liquid separation cylinder 19 and are discharged through the separation oil outlet pipe 21. The tail gas enters the separation chamber through a separation outlet pipe 20. The condensed water in the condensing device 1 is cooled by the heat exchanger 3. The solvent discharged through the separated oil line 21 can be directly reused.
The tail gas is cleaned by condensed water, passes through the filter screen 15 and then enters the material box main body 25, the liquid in the material box main body 25 is cleaned again and enters the liquid collecting cylinder 28, liquid drops in the tail gas are gathered on the liquid collecting plate 29 and flow back to the material box main body 25, and the tail gas enters the adsorption device 4 and is directly discharged to the atmosphere after being adsorbed by the activated carbon 33.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides an extract trade tail gas processing apparatus which characterized in that: the tail gas exhaust device comprises a condensing device (1), a material box (2) and a negative pressure pumping device, wherein a tail gas input pipe (7) is communicated with a condensation gas inlet pipe (23) of the condensing device (1), a condensation gas outlet pipe (24) of the condensing device (1) is communicated with a material box gas inlet pipe (26) of the material box (2), a material box gas outlet pipe (30) of the material box (2) is communicated with the negative pressure pumping device, and an output end of the material box gas inlet pipe (26) extends to the bottom of the material box (2).
2. The extraction industry tail gas processing apparatus of claim 1, characterized in that: condensing equipment include condensate box (14), filter screen (15) and gas-liquid separation device, filter screen (15) set up in condensate box (14), and separate condensate box (14) inner chamber for condensate water chamber and separation chamber, gas-liquid separation device sets up at the separation intracavity, gas-liquid separation device's bottom is connected with the separation oil pipe (21) that extends outside condensate box (14), gas-liquid separation device's middle part is linked together through check valve and separation chamber, condensation intake pipe (23) are linked together with gas-liquid separation device, the input of condensation outlet duct (24) is linked together with the top in condensate water chamber.
3. The extraction industry tail gas processing apparatus of claim 2, characterized in that: the gas-liquid separation device comprises a coil pipe (18) and a gas-liquid separation cylinder (19), wherein the coil pipe (18) is arranged on the upper side of the gas-liquid separation cylinder (19), the input end of the coil pipe (18) is communicated with the output end of a condensation air inlet pipe (23), the output end of the coil pipe (18) is communicated with the top of the gas-liquid separation cylinder (19), the input end of a separation oil outlet pipe (21) is communicated with the bottom of the gas-liquid separation cylinder (19), and the middle of the gas-liquid separation cylinder (19) is communicated with a separation cavity through a one-way valve.
4. The extraction industry tail gas processing apparatus of claim 2, characterized in that: the oil separator is characterized in that a vertical oil baffle plate (16) is arranged in the separation cavity, the upper end and the lower end of the oil baffle plate (16) are respectively arranged at intervals with the corresponding side of the condensation box (14), an oil drain valve (17) is arranged on the condensation box (14), and the oil drain valve (17) is arranged on the upper side of the oil baffle plate (16).
5. The extraction industry tail gas processing apparatus of claim 1, characterized in that: workbin (2) including workbin main part (25), the input of workbin outlet duct (30) is linked together with the top of workbin main part (25), the output of workbin inlet duct (26) extends the bottom of workbin main part (25).
6. The extraction industry tail gas processing apparatus of claim 1 or 5, characterized in that: the output of workbin intake pipe (26) be provided with gas distribution head (27), gas distribution head (27) one end is linked together with workbin intake pipe (26), the other end seals the setting, gas distribution head (27) are for following the toper of keeping away from workbin intake pipe (26) progressively bigger, the blind end interval of gas distribution head (27) is provided with a plurality of through-holes.
7. The extraction industry tail gas processing apparatus of claim 1 or 5, characterized in that: the upper side of the material box (2) is provided with a liquid collecting device which is communicated with the material box (2), and the input end of the material box air outlet pipe (30) is communicated with the top of the liquid collecting device.
8. The extraction industry tail gas processing apparatus of claim 7, characterized in that: the liquid collecting device comprises a liquid collecting barrel (28) and a liquid collecting plate (29), the liquid collecting barrel (28) is a square barrel with the upper end sealed, the lower end of the liquid collecting barrel (28) is communicated with the feed box (2), the upper end of the liquid collecting barrel (28) is communicated with a feed box air outlet pipe (30), the liquid collecting plate (29) is arranged in the liquid collecting barrel (28), one side of the liquid collecting plate (29) is connected with the liquid collecting barrel (28), the other side of the liquid collecting plate is arranged at intervals with the inner wall of the liquid collecting barrel (28), and one side of the liquid collecting plate (29) connected with the liquid collecting barrel (28) is higher than the other side of the.
9. The extraction industry tail gas processing apparatus of claim 8, characterized in that: the liquid collecting plates (29) are arranged at intervals from top to bottom, and every two adjacent liquid collecting plates (29) are respectively connected with two opposite sides of the liquid collecting barrel (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401970.7U CN210544184U (en) | 2019-08-27 | 2019-08-27 | Extract trade tail gas processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401970.7U CN210544184U (en) | 2019-08-27 | 2019-08-27 | Extract trade tail gas processing apparatus |
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| Publication Number | Publication Date |
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| CN210544184U true CN210544184U (en) | 2020-05-19 |
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| CN201921401970.7U Active CN210544184U (en) | 2019-08-27 | 2019-08-27 | Extract trade tail gas processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113318559A (en) * | 2021-06-30 | 2021-08-31 | 广州华青节能环保科技有限公司 | Liquid nitrogen direct contact type VOC cryogenic treatment equipment |
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2019
- 2019-08-27 CN CN201921401970.7U patent/CN210544184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113318559A (en) * | 2021-06-30 | 2021-08-31 | 广州华青节能环保科技有限公司 | Liquid nitrogen direct contact type VOC cryogenic treatment equipment |
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