CN221045500U - Tail gas treatment recovery unit and VOCs and hydrogen nitrogen mixed gas treatment facility - Google Patents
Tail gas treatment recovery unit and VOCs and hydrogen nitrogen mixed gas treatment facility Download PDFInfo
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- CN221045500U CN221045500U CN202322499369.9U CN202322499369U CN221045500U CN 221045500 U CN221045500 U CN 221045500U CN 202322499369 U CN202322499369 U CN 202322499369U CN 221045500 U CN221045500 U CN 221045500U
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- 239000007789 gas Substances 0.000 title claims abstract description 117
- 238000011084 recovery Methods 0.000 title claims abstract description 76
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 15
- 239000001257 hydrogen Substances 0.000 title claims abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 10
- 125000004435 hydrogen atom Chemical class [H]* 0.000 title claims abstract 3
- 238000001179 sorption measurement Methods 0.000 claims abstract description 106
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 238000009833 condensation Methods 0.000 claims abstract description 28
- 230000005494 condensation Effects 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 48
- 229910052799 carbon Inorganic materials 0.000 claims description 48
- 238000002156 mixing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 7
- 150000002894 organic compounds Chemical class 0.000 abstract description 48
- 230000000694 effects Effects 0.000 abstract description 18
- 238000000926 separation method Methods 0.000 description 15
- 238000004064 recycling Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000003795 desorption Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The application provides a tail gas treatment and recovery device and VOCs and hydrogen nitrogen mixed gas treatment equipment. The tail gas treatment and recovery device comprises a tail gas treatment and recovery device and is characterized by comprising a condensation and recovery mechanism, an adsorption mechanism, a vacuum pump and an oil-water separator; the condensation recovery mechanism comprises a tail gas main pipe, a primary cooler, a secondary condenser and a gas-liquid separator, and the gas-liquid separator is respectively communicated with the primary cooler and the secondary condenser; the adsorption mechanism is respectively communicated with the tail gas main pipe, the gas-liquid separator and the primary cooler; the vacuum pump is arranged on a pipeline which is communicated with the first-stage cooler through the adsorption mechanism; the oil-water separator is respectively communicated with the adsorption mechanism and the secondary condenser. The tail gas treatment and recovery device can improve the condensation effect and recovery effect of the organic compound gas.
Description
Technical Field
The utility model relates to the technical field of treatment and recycling of VOCs and hydrogen-nitrogen mixed gas, in particular to a tail gas treatment and recycling device and VOCs and hydrogen-nitrogen mixed gas treatment equipment.
Background
Along with the continuous development of petrochemical industry in China, in the processes of production, storage, transportation and use of petrochemical industry, the generated tail gas contains a certain amount of various organic compounds, if the tail gas is directly discharged into the atmosphere, serious pollution is generated to the environment, and volatile organic compounds VOCs in the tail gas have great harm to the atmospheric environment and human health.
In the current hydrogen peroxide production process, a large amount of hydrogen-containing tail gas is generated, and the tail gas contains important chemical raw materials, namely heavy aromatic hydrocarbon and other organic compound substances, if the substances are directly discharged into the atmosphere, the loss of raw materials and products is caused, the cost of a factory is increased, the environment is polluted, and the environmental and human health hazards are huge.
Currently, common industrial VOCs gas treatment technologies include thermal combustion, catalytic combustion, adsorption, biological treatment, plasma oxidation, absorption, condensation, membrane separation, photooxidation, photocatalytic oxidation, and the like. When deciding which VOCs treatment technology to use, the advanced and applicable process technology for optimizing and combining according to specific working conditions ensures that the emission of the organic compounds meets the index requirements.
Although the prior art discloses a tail gas purifying and recycling device as in patent CN106925074a, the adsorption efficiency and desorption efficiency are improved through the organic polymer sieve in the adsorption device, the vacuum is formed in the adsorption device through the vacuumizing device, the tail gas is condensed in the vacuum environment by the condensing device, so that the desorption and condensation effects are improved, and the desorption temperature of the adsorption device is kept between 80-90 ℃ through introducing hot water and cold water into the adsorption device, so that the occurrence of water gas effect is avoided, and the occurrence of pyrolysis and hydrolysis phenomena of heat sensitive materials is reduced; however, the condensation effect of the tail gas purifying and recycling process device is poor, and the tail gas purifying and recycling device has poor recycling effect on volatile organic compounds contained in the tail gas.
Disclosure of utility model
The utility model aims to provide a tail gas treatment and recovery device and VOCs and hydrogen nitrogen mixed gas treatment equipment capable of simultaneously solving the problems of poor condensation effect and poor recovery effect on organic compound gas.
The aim of the utility model is realized by the following technical scheme:
A tail gas treatment and recovery device comprises a condensation and recovery mechanism, an adsorption mechanism, a vacuum pump and an oil-water separator;
The condensation recovery mechanism comprises a tail gas main pipe, a primary cooler, a secondary condenser and a gas-liquid separator, and the gas-liquid separator is respectively communicated with the primary cooler and the secondary condenser;
The adsorption mechanism is respectively communicated with the tail gas main pipe, the gas-liquid separator and the primary cooler;
The vacuum pump is arranged on a pipeline which is communicated with the first-stage cooler through the adsorption mechanism;
The oil-water separator is respectively communicated with the adsorption mechanism and the secondary condenser.
In one embodiment, the condensation recovery mechanism further comprises a shell and tube cooler in communication with the adsorption mechanism through the tail gas header.
In one embodiment, the tail gas treatment and recovery device further comprises a vortex air pump, wherein the vortex air pump is arranged on a pipeline which is communicated with the tube type cooler and the adsorption mechanism, and the vortex air pump is respectively communicated with the gas-liquid separator and the oil-water separator.
In one embodiment, the adsorption mechanism comprises a first vertical granular carbon adsorption tank and a second vertical granular carbon adsorption tank, wherein the first vertical granular carbon adsorption tank and the second vertical granular carbon adsorption tank are both communicated with the vortex air pump, and the first vertical granular carbon adsorption tank and the second vertical granular carbon adsorption tank are both communicated with the vacuum pump.
In one embodiment, the tail gas treatment recovery device further comprises an organic solvent recovery pipeline and a sewage discharge pipeline, the oil-water separator is provided with a light component outlet and a heavy component outlet, the light component outlet is located above the heavy component outlet, the organic solvent recovery pipeline is communicated with the light component outlet, and the sewage discharge pipeline is communicated with the heavy component outlet.
In one embodiment, the oil-water separator is further provided with an oil-water mixing inlet and a gas phase outlet, the oil-water mixing inlet is arranged below the heavy component outlet, the secondary condenser is communicated with the oil-water separator through the oil-water mixing inlet, the gas phase outlet is arranged at the top end of the oil-water separator, and the oil-water separator is communicated with the vortex air pump through the gas phase outlet.
In one embodiment, the oil-water separator is further provided with a pure water inlet, a thermometer opening and a clean discharging opening, the pure water inlet is arranged above the light component outlet, the thermometer opening is arranged below the oil-water mixing inlet, and the clean discharging opening is arranged at the bottom end of the oil-water separator.
In one embodiment, the exhaust gas treatment recovery apparatus includes an atmospheric vent line in communication with the first vertical particulate carbon canister and the second vertical particulate carbon canister, respectively.
In one embodiment, the tail gas treatment recovery device further comprises a steam inlet pipeline which is respectively communicated with the first vertical granular carbon adsorption tank and the second vertical granular carbon adsorption tank.
The equipment for treating the mixed gas of VOCs and hydrogen and nitrogen comprises the tail gas treatment recovery device in any embodiment.
The present utility model includes, but is not limited to, the following advantages over the prior art:
1. According to the tail gas treatment recovery device, as the adsorption mechanism is communicated with the primary cooler, organic compound gas desorbed in the adsorption mechanism can be conveyed to the primary cooler for continuous cooling, and the gas-liquid separator is respectively communicated with the primary cooler and the secondary condenser, so that the primary cooler can convey cooled organic compound into the gas-liquid separator for gas-liquid separation, and the gas-liquid separator can convey the organic compound subjected to gas-liquid separation to the secondary condenser for condensation, and the condensation effect of the tail gas treatment recovery device is improved;
2. Because the oil-water separator is communicated with the secondary condenser, the secondary condenser can convey condensed organic compound liquid into the oil-water separator for separation and recovery, and the adsorption mechanism is respectively communicated with the gas-liquid separator and the oil-water separator, so that the organic compound gas in the gas-liquid separator and the oil-water separator can be conveyed into the adsorption mechanism again for re-adsorption, and further the recovery effect of the tail gas treatment recovery device is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an exhaust gas treatment recovery apparatus according to an embodiment;
fig. 2 is a schematic partial structure of the exhaust gas treatment recovery apparatus shown in fig. 1.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the tail gas treatment and recovery device 10 in an embodiment includes a condensation recovery mechanism 100, an adsorption mechanism 200, a vacuum pump 300 and an oil-water separator 400; the condensation recovery mechanism 100 comprises a tail gas main pipe 110, a primary cooler 120, a secondary condenser 130 and a gas-liquid separator 140, wherein the gas-liquid separator 140 is respectively communicated with the primary cooler 120 and the secondary condenser 130, so that the primary cooler 120 can convey the mixed liquid of the condensed organic compound and the water vapor into the gas-liquid separator 140 for gas-liquid separation, and the mixed liquid of the organic compound and the water vapor is conveyed into the secondary condenser 130 for condensation through the gas-liquid separator 140, thereby improving the condensation effect of the tail gas treatment recovery device 10. The adsorption mechanism 200 is respectively communicated with the tail gas main pipe 110, the gas-liquid separator 140 and the primary cooler 120, so that the tail gas main pipe 110 can convey tail gas containing organic compounds into the adsorption mechanism 200 for adsorption, the adsorption mechanism 200 then desorbs the adsorbed organic compounds and conveys the organic compounds into the primary cooler 120 for condensation, and the gas-liquid separator 140 conveys uncondensed organic compound gas into the adsorption mechanism 200 for adsorption. The vacuum pump 300 is arranged on a pipeline of the adsorption mechanism 200 communicated with the primary cooler 120, so that the tail gas treatment and recovery device 10 can be in a negative pressure vacuum state, and further the contact of organic compound gas and external air is avoided; the oil-water separator 400 is respectively communicated with the adsorption mechanism 200 and the secondary condenser 130, so that the secondary condenser 130 can convey the mixed liquid of the condensed organic compound and water into the oil-water separator 400 for separation, and the oil-water separator 400 conveys the uncondensed organic compound gas into the adsorption mechanism 200 again for adsorption, thereby improving the recovery effect of the tail gas treatment recovery device 10.
In this embodiment, when the exhaust gas treatment and recovery device 10 works, firstly, the vacuum pump 300 pumps air in the exhaust gas treatment and recovery device 10 so that the exhaust gas treatment and recovery device 10 can be in a negative pressure vacuum state, and the exhaust gas main pipe 110 conveys the exhaust gas containing the organic compounds into the adsorption mechanism 200 for adsorption, so that the adsorption mechanism 200 separates the organic compounds in the exhaust gas from the hydrogen and nitrogen gas; then, the adsorption mechanism 200 desorbs the adsorbed organic compound and conveys the organic compound to the primary cooler 120 through the vacuum pump 300 for condensation, the primary cooler 120 conveys the mixed liquid of the condensed organic compound and water to the gas-liquid separator 140 for gas-liquid separation, so that the gas-liquid separator 140 conveys the uncondensed organic compound gas to the adsorption mechanism 200 for adsorption again; finally, the gas-liquid separator 140 conveys the mixed liquid of the organic compound and water into the secondary condenser 130 for condensation, the secondary condenser 130 conveys the condensed mixed liquid of the organic compound and water into the oil-water separator 400 for separation, and the oil-water separator 400 conveys the uncondensed organic compound gas into the adsorption mechanism 200 for adsorption again.
In the tail gas treatment and recovery device 10, since the adsorption mechanism 200 is communicated with the primary cooler 120, the organic compound gas desorbed in the adsorption mechanism 200 can be conveyed to the primary cooler 120 for continuous cooling, and the gas-liquid separator 140 is respectively communicated with the primary cooler 120 and the secondary condenser 130, so that the primary cooler 120 can convey the cooled organic compound into the gas-liquid separator 140 for gas-liquid separation, and the gas-liquid separator 140 can convey the organic compound subjected to gas-liquid separation to the secondary condenser 130 for condensation, thereby improving the condensation effect of the tail gas treatment and recovery device 10;
Because the oil-water separator 400 is communicated with the secondary condenser 130, the secondary condenser 130 can convey the condensed organic compound liquid into the oil-water separator 400 for separation and recovery, and the adsorption mechanism 200 is respectively communicated with the gas-liquid separator 140 and the oil-water separator 400, so that the organic compound gas in the gas-liquid separator 140 and the oil-water separator 400 can be conveyed into the adsorption mechanism 200 again for re-adsorption, and further the recovery effect of the tail gas treatment recovery device 10 is improved.
As shown in fig. 1, in one embodiment, the condensation recycling mechanism 100 further includes a shell and tube cooler 150, where the shell and tube cooler 150 is communicated with the adsorption mechanism 200 through the tail gas main pipe 110, so that the tail gas main pipe 110 conveys the tail gas containing the organic compound into the shell and tube cooler 150 for condensation, and the shell and tube cooler 150 conveys the condensed tail gas into the adsorption mechanism 200 for adsorption, so as to improve the adsorption effect of the adsorption mechanism 200 on the organic compound.
As shown in fig. 1, in one embodiment, the exhaust gas treatment and recovery apparatus 10 further includes a vortex air pump 500, where the vortex air pump 500 is disposed on a pipeline that communicates between the shell and tube cooler 150 and the adsorption mechanism 200, so that the vortex air pump 500 can convey the condensed exhaust gas in the shell and tube cooler 150 to the adsorption mechanism 200 for adsorption. The vortex air pump 500 is respectively communicated with the gas-liquid separator 140 and the oil-water separator 400, so that the gas-liquid separator 140 and the oil-water separator 400 both convey the uncondensed organic compound gas into the adsorption mechanism 200 for adsorption through the vortex air pump 500.
As shown in fig. 1, in one embodiment, the adsorption mechanism 200 includes a first vertical granular carbon adsorption tank 210 and a second vertical granular carbon adsorption tank 220, the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220 are both communicated with a vortex air pump 500, the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220 are both communicated with a vacuum pump 300, so that the vacuum pump 300 can pump out air in the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220, the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220 are in a vacuum negative pressure state, and simultaneously, the vortex air pump 500 conveys condensed tail gas into the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220 for adsorption, and the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220 convey the desorbed mixed gas of the organic compound and the water vapor into the vacuum pump 300.
As shown in fig. 1 to 2, in one embodiment, the tail gas treatment recovery device 10 further includes an organic solvent recovery line 600 and a sewage discharge line 700, the oil-water separator 400 is provided with a light component outlet 410 and a heavy component outlet 420, the light component outlet 410 is located above the heavy component outlet 420, the organic solvent recovery line 600 is communicated with the light component outlet 410, the sewage discharge line 700 is communicated with the heavy component outlet 420, so that light component substances can be discharged into the organic solvent recovery line 600 through the light component outlet 410, and heavy component substances can be discharged into the sewage discharge line 700 through the heavy component outlet 420.
As shown in fig. 1 to 2, in one embodiment, the oil-water separator 400 is further provided with an oil-water mixing inlet 430 and a gas phase outlet 440, wherein the oil-water mixing inlet 430 is provided below the heavy component outlet 420 to prevent the light component from being discharged out of the oil-water separator 400 through the heavy component outlet 420. The secondary condenser 130 is communicated with the oil-water separator 400 through the oil-water mixing inlet 430, so that the secondary condenser 130 can convey the condensed mixed solution of the organic compound and the water into the oil-water separator 400 for separation, the gas phase outlet 440 is formed at the top end of the oil-water separator 400, and the oil-water separator 400 is communicated with the vortex air pump 500 through the gas phase outlet 440, so that the oil-water separator 400 can convey the volatilized organic compound gas into the vortex air pump 500 through the gas phase outlet 440.
As shown in fig. 1 to 2, in one embodiment, the oil-water separator 400 is further provided with a pure water inlet 450, a thermometer port 460 and a drain port 470, wherein the pure water inlet 450 is arranged above the light component outlet 410, so that pure water can enter the oil-water separator 400 through the pure water inlet 450, the concentration of the acid in the liquid in the organic compound in the oil-water separator 400 is reduced, and the safety risk of separating the organic compound by the oil-water separator 400 is further reduced. The thermometer port 460 is disposed below the oil-water mixing inlet 430, so that the sensing end of the thermometer can extend into the oil-water separator 400, and the tail gas treatment recovery device 10 can detect the temperature of the organic compound liquid in the oil-water separator 400. A drain port 470 is provided at the bottom end of the oil-water separator 400 so that the oil-water separator 400 discharges the organic compound liquid, which is not discharged from the heavy component outlet 420, out of the oil-water separator 400 through the drain port 470.
As shown in fig. 1, in one embodiment, the exhaust gas treatment recovery apparatus 10 includes an atmospheric exhaust line 800, and the atmospheric exhaust line 800 is respectively in communication with the first vertical granular carbon canister 210 and the second vertical granular carbon canister 220, so that the first vertical granular carbon canister 210 and the second vertical granular carbon canister 220 can both exhaust the nitrogen-hydrogen gas out of the first vertical granular carbon canister 210 and the second vertical granular carbon canister 220 through the atmospheric exhaust line 800.
As shown in fig. 1, in one embodiment, the exhaust gas treatment recovery apparatus 10 further includes a steam inlet pipeline 900, and the steam inlet pipeline 900 is respectively communicated with the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220, so that water vapor can be respectively transported into the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220 through the steam inlet pipeline 900, thereby increasing the temperatures in the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220, and further improving the desorption effect of the first vertical granular carbon adsorption tank 210 and the second vertical granular carbon adsorption tank 220.
The application also provides a VOCs and hydrogen nitrogen mixed gas treatment device, which comprises the tail gas treatment recovery device 10 in any embodiment.
The present utility model includes, but is not limited to, the following advantages over the prior art:
1. In the above-mentioned mixed gas treatment device for VOCs and hydrogen and nitrogen, since the adsorption mechanism 200 is communicated with the primary cooler 120, the organic compound gas desorbed in the adsorption mechanism 200 can be conveyed to the primary cooler 120 for continuous cooling, and the gas-liquid separator 140 is respectively communicated with the primary cooler 120 and the secondary condenser 130, so that the primary cooler 120 can convey the cooled organic compound into the gas-liquid separator 140 for gas-liquid separation, and the gas-liquid separator 140 can convey the organic compound after gas-liquid separation to the secondary condenser 130 for condensation, thereby improving the condensation effect of the tail gas treatment recovery device 10;
2. Because the oil-water separator 400 is communicated with the secondary condenser 130, the secondary condenser 130 can convey the condensed organic compound liquid into the oil-water separator 400 for separation and recovery, and the adsorption mechanism 200 is respectively communicated with the gas-liquid separator 140 and the oil-water separator 400, so that the organic compound gas in the gas-liquid separator 140 and the oil-water separator 400 can be conveyed into the adsorption mechanism 200 again for re-adsorption, and further the recovery effect of the tail gas treatment recovery device 10 is improved.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The tail gas treatment and recovery device (10) is characterized by comprising a condensation and recovery mechanism (100), an adsorption mechanism (200), a vacuum pump (300) and an oil-water separator (400);
The condensation recovery mechanism (100) comprises a tail gas main pipe (110), a primary cooler (120), a secondary condenser (130) and a gas-liquid separator (140), wherein the gas-liquid separator (140) is respectively communicated with the primary cooler (120) and the secondary condenser (130);
The adsorption mechanism (200) is respectively communicated with the tail gas main pipe (110), the gas-liquid separator (140) and the primary cooler (120);
The vacuum pump (300) is arranged on a pipeline which is communicated with the primary cooler (120) by the adsorption mechanism (200);
the oil-water separator (400) is respectively communicated with the adsorption mechanism (200) and the secondary condenser (130).
2. The exhaust gas treatment recovery apparatus (10) of claim 1, wherein the condensation recovery mechanism (100) further comprises a shell-and-tube cooler (150), the shell-and-tube cooler (150) being in communication with the adsorption mechanism (200) through the exhaust gas header (110).
3. The exhaust gas treatment and recovery apparatus (10) according to claim 2, wherein the exhaust gas treatment and recovery apparatus (10) further comprises a vortex air pump (500), the vortex air pump (500) is disposed on a pipeline in which the shell and tube cooler (150) is communicated with the adsorption mechanism (200), and the vortex air pump (500) is respectively communicated with the gas-liquid separator (140) and the oil-water separator (400).
4. The exhaust gas treatment recovery apparatus (10) of claim 3, wherein the adsorption mechanism (200) comprises a first vertical particulate carbon adsorption tank (210) and a second vertical particulate carbon adsorption tank (220), the first vertical particulate carbon adsorption tank (210) and the second vertical particulate carbon adsorption tank (220) are both in communication with the vortex air pump (500), and the first vertical particulate carbon adsorption tank (210) and the second vertical particulate carbon adsorption tank (220) are both in communication with a vacuum pump (300).
5. The tail gas treatment and recovery device (10) according to claim 3, wherein the tail gas treatment and recovery device (10) further comprises an organic solvent recovery pipeline (600) and a sewage discharge pipeline (700), the oil-water separator (400) is provided with a light component outlet (410) and a heavy component outlet (420), the light component outlet (410) is positioned above the heavy component outlet (420), the organic solvent recovery pipeline (600) is communicated with the light component outlet (410), and the sewage discharge pipeline (700) is communicated with the heavy component outlet (420).
6. The tail gas treatment and recovery device (10) according to claim 5, wherein the oil-water separator (400) is further provided with an oil-water mixing inlet (430) and a gas-phase outlet (440), the oil-water mixing inlet (430) is arranged below the heavy component outlet (420), the secondary condenser (130) is communicated with the oil-water separator (400) through the oil-water mixing inlet (430), the gas-phase outlet (440) is arranged at the top end of the oil-water separator (400), and the oil-water separator (400) is communicated with the vortex air pump (500) through the gas-phase outlet (440).
7. The tail gas treatment and recovery device (10) according to claim 6, wherein the oil-water separator (400) is further provided with a pure water inlet (450), a thermometer port (460) and a drain port (470), the pure water inlet (450) is arranged above the light component outlet (410), the thermometer port (460) is arranged below the oil-water mixing inlet (430), and the drain port (470) is arranged at the bottom end of the oil-water separator (400).
8. The exhaust gas treatment recovery apparatus (10) of claim 4, wherein the exhaust gas treatment recovery apparatus (10) includes an atmospheric vent line (800), the atmospheric vent line (800) being in communication with the first vertical particulate carbon canister (210) and the second vertical particulate carbon canister (220), respectively.
9. The exhaust gas treatment recovery apparatus (10) of claim 4, wherein the exhaust gas treatment recovery apparatus (10) further comprises a steam inlet line (900), the steam inlet line (900) being in communication with the first vertical particulate carbon canister (210) and the second vertical particulate carbon canister (220), respectively.
10. A VOCs and hydrogen nitrogen mixed gas treatment apparatus comprising the exhaust gas treatment recovery device (10) according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322499369.9U CN221045500U (en) | 2023-09-13 | 2023-09-13 | Tail gas treatment recovery unit and VOCs and hydrogen nitrogen mixed gas treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322499369.9U CN221045500U (en) | 2023-09-13 | 2023-09-13 | Tail gas treatment recovery unit and VOCs and hydrogen nitrogen mixed gas treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221045500U true CN221045500U (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322499369.9U Active CN221045500U (en) | 2023-09-13 | 2023-09-13 | Tail gas treatment recovery unit and VOCs and hydrogen nitrogen mixed gas treatment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221045500U (en) |
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2023
- 2023-09-13 CN CN202322499369.9U patent/CN221045500U/en active Active
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