CN218321226U - VOCS gas treatment system of equipment in coke oven gas-to-methanol - Google Patents

VOCS gas treatment system of equipment in coke oven gas-to-methanol Download PDF

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CN218321226U
CN218321226U CN202222704981.0U CN202222704981U CN218321226U CN 218321226 U CN218321226 U CN 218321226U CN 202222704981 U CN202222704981 U CN 202222704981U CN 218321226 U CN218321226 U CN 218321226U
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pipeline
gas
tank
exhaust port
methanol
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钟苍海
司忆农
朱廷辉
吕福乾
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Shanxi Yueanda New Energy Co ltd
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Shanxi Yueanda New Energy Co ltd
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Abstract

The utility model discloses a VOCS gas processing system of equipment in coke oven gas system methyl alcohol belongs to VOCS gas processing technology field. The technical scheme is as follows: an exhaust port of the coke-oven gas compression oil separation tank is connected with an air inlet of a gas-liquid separator through a pipeline, and a liquid outlet of the gas-liquid separator is connected with a liquid reflux port of the coke-oven gas compression oil separation tank through a pipeline; an exhaust port of the gas-liquid separator is connected with a primary air inlet of the boiler through a pipeline, and a fan is arranged on the pipeline; an exhaust port of the gas holder oil-water collecting tank is connected with a primary air inlet of the boiler through a pipeline, and a fan is installed on the pipeline. The utility model discloses coke oven gas district equipment, jar district equipment and loading station equipment to in the coke oven gas system methyl alcohol have designed different gas collection modes respectively, and the final tail gas that will collect carries out the air distribution in carrying the boiler through the fan and burns, realizes airtight recovery.

Description

VOCS gas treatment system of equipment in coke oven gas-to-methanol
Technical Field
The utility model relates to a VOCS gas processing technology field, concretely relates to VOCS gas processing system of equipment in coke oven gas system methyl alcohol.
Background
Volatile Organic Compounds (VOCs) are organic compounds that have a saturated vapor pressure of over 133.32Pa at ambient temperature and pressure, a boiling point of less than 260 ℃, and exist in the air as a vapor. These volatile organic compounds can directly damage the human body, causing respiratory damage and even life-threatening damage in severe cases. In addition, the volatile matter contains inflammable and explosive compounds, which brings hidden troubles to the daily production of factories. Therefore, the centralized treatment of these VOCs is required, and at present, the control of VOCs is mainly divided into two categories: the first type is preventive measures, and the purpose is achieved by improving the process and replacing equipment to prevent leakage; the second type is control by end treatment, and the main treatment methods include absorption, adsorption, combustion, and photocatalytic methods.
Based on the above, in the production process of preparing methanol from coke oven gas, all coke oven gas area equipment, tank area equipment, truck-loading station equipment and the like generate VOCs gas, and the VOCs gas needs to be treated in a centralized manner, so a device for treating VOCs gas generated in the production process of preparing methanol from coke oven gas in a centralized manner is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the VOCS gas treatment system for the equipment for preparing the methanol from the coke oven gas is used for overcoming the defects of the prior art, different gas collection modes are respectively designed for the equipment in a coke oven gas area, the equipment in a tank area and the equipment in a loading station in the process of preparing the methanol from the coke oven gas, and finally, the collected tail gas is conveyed into a boiler through a fan for air distribution and incineration so as to realize closed recovery.
The technical scheme of the utility model is that:
the equipment in the process of preparing the methanol from the coke oven gas comprises coke oven gas area equipment, tank area equipment and loading station equipment, wherein the coke oven gas area equipment comprises a coke oven gas compression oil separation tank and a gas holder oil-water collecting tank, the tank area equipment comprises a crude methanol tank, a methanol finished product tank, a fusel tank, a rectification underground tank and a synthesis underground tank, and the loading station equipment comprises a methanol loading crane pipe; an exhaust port of the coke-oven gas compression oil separation tank is connected with an air inlet of a gas-liquid separator through a pipeline, and a liquid discharge port of the gas-liquid separator is connected with a liquid return port of the coke-oven gas compression oil separation tank through a pipeline; the exhaust port of the gas-liquid separator is connected with the primary air inlet of the boiler through a pipeline, and a fan is arranged on the pipeline; an exhaust port of the gas holder oil-water collecting tank is connected with a primary air inlet of the boiler through a pipeline, and a fan is arranged on the pipeline; a gas collecting hood is arranged above the breather valves of the crude methanol tank, the methanol finished product tank, the fusel tank, the rectification underground tank and the synthesis underground tank, an exhaust port of the gas collecting hood is connected with a gas inlet of the water washing tower through a gas collecting pipeline, and a fan is arranged on the gas collecting pipeline; the exhaust port of the water washing tower is connected with the primary air inlet of the boiler through a pipeline, and a fan is arranged on the pipeline; the methanol loading crane pipe is connected with an air inlet of the washing device through a pipeline, an air outlet of the washing device is connected with a primary air inlet of the boiler through a pipeline, and a fan is arranged on the pipeline.
Preferably, the exhaust port of the gas-liquid separator is connected with the air inlet of the coke oven gas overhaul water seal tank through a pipeline; the exhaust port of the coke oven gas maintenance water-sealed tank is connected with the primary air inlet of the boiler through a pipeline, and a fan is arranged on the pipeline.
Preferably, the exhaust port of the gas-liquid separator is further connected with the air inlet of the exhaust gas filter through a pipeline, a fan is installed on the pipeline, the exhaust port of the exhaust gas filter is connected with a vent pipeline, and a vent valve is installed on the vent pipeline.
Preferably, the gas collecting hood is connected with the gas inlet of the cyclone buffer tank through a gas collecting pipeline, a fan is installed on the pipeline, and the gas outlet of the cyclone buffer tank is connected with the gas inlet of the water washing tower through a pipeline.
Preferably, the exhaust port of the gas-collecting hood and the exhaust port of the water washing tower are respectively connected with an emptying pipeline, and an emptying valve is installed on the emptying pipeline.
Preferably, a circulating liquid outlet of the water washing tower is connected with a liquid inlet of the water washing tower through a pipeline, and a circulating pump is installed on the pipeline.
Preferably, the gas vent of washing tower passes through the pipeline and is connected with the air inlet of overhauing the water-sealed tank, installs the fan on the pipeline, overhauls the gas vent of water-sealed tank and passes through pipeline and boiler primary air intake connection, installs the fan on the pipeline.
Preferably, an exhaust port of the washing device is connected with an air inlet of the safety maintenance water-sealed tank through a pipeline, and a fan is mounted on the pipeline; the exhaust port of the safety maintenance water-sealed tank is connected with the primary air inlet of the boiler through a pipeline, and a fan is installed on the pipeline.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses a system has designed different gas collection modes respectively to coke oven gas district equipment, jar district equipment and loading station equipment in the coke oven gas system methyl alcohol, and the tail gas that finally will collect carries the boiler in to distribute the wind and burns through the fan, realizes airtight recovery, and the utilization ratio is 100%. Utilize the utility model discloses a VOCS gas in coke oven gas system methyl alcohol is handled to the system, and purification efficiency is high, and recoverable a little heat energy reaches energy saving and emission reduction's effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural view of a coke oven gas zone apparatus of the present invention.
Fig. 3 is a schematic structural diagram of the tank farm equipment of the present invention.
Fig. 4 is a schematic structural diagram of the crude methanol tank of the present invention.
Fig. 5 is a schematic structural diagram of the loading station equipment of the present invention.
In the figure, 101, a coke oven gas compression oil separation tank; 102. a gas holder oil-water collecting tank; 103. a gas-liquid separator; 104. four-in-one (CO \ CH) 4 \H 2 \NH 3 ) Analyzing the detector; 105. the coke oven gas overhauls the water-sealed tank; 106. an exhaust gas filter; 201. a crude methanol tank; 202. a methanol tank; 203. a methanol finished product tank; 204. a fusel tank; 205. rectifying the underground tank; 206. synthesizing an underground tank; 207. a breather valve; 208. washing the tower with water; 209. a cyclone buffer tank; 210. a circulation pump; 211. overhauling the water-sealed tank; 301. a washing device; 302. safely overhauling the water-sealed tank; 4. a vent line; 401. an atmospheric valve; 5. an air distribution valve; 6. a fan; 7. four-in-one (CO \ CH) 4 \H 2 \CH 3 OH) an analytical detector; 8. a self-control valve; 9. air supplement valve.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but 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 shall belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-5, the embodiment provides a VOCS gas treatment system of a device for preparing methanol from coke oven gas, the device for preparing methanol from coke oven gas comprises a coke oven gas area device, a tank area device and a loading station device, the coke oven gas area device comprises a coke oven gas compression oil separation tank 101 and a gas tank oil-water collection tank 102, the tank area device comprises a crude methanol tank 201, a methanol tank 202, a methanol finished product tank 203, a fusel tank 204, a rectification underground tank 205 and a synthetic underground tank 206, and the loading station device comprises a methanol loading crane pipe; an exhaust port of the coke-oven gas compression oil separation tank 101 is connected with an air inlet of a gas-liquid separator 103 through a pipeline, and a liquid outlet of the gas-liquid separator 103 is connected with a liquid reflux port of the coke-oven gas compression oil separation tank 101 through a pipeline; an exhaust port of the gas-liquid separator 103 is connected with a primary air inlet of the boiler through a pipeline, and a fan 6 is arranged on the pipeline; an exhaust port of the gas holder oil-water collecting tank 102 is connected with a primary air inlet of the boiler through a pipeline, and a fan 6 is arranged on the pipeline; a gas collecting hood is arranged above a breather valve 207 of the crude methanol tank 201, the methanol tank 202, the methanol finished product tank 203, the fusel tank 204, the rectification underground tank 205 and the synthesis underground tank 206, an exhaust port of the gas collecting hood is connected with an air inlet of a water washing tower 208 through a gas collecting pipeline, and a fan 6 is arranged on the gas collecting pipeline; an exhaust port of the water washing tower 208 is connected with a primary air inlet of the boiler through a pipeline, a fan 6 is installed on the pipeline, a circulating liquid outlet of the water washing tower 208 is connected with a liquid inlet of the water washing tower 208 through a pipeline, and a circulating pump 210 is installed on the pipeline; the methanol loading oil filling riser is connected with an air inlet of the washing device 301 through a pipeline, an air outlet of the washing device 301 is connected with a primary air inlet of the boiler through a pipeline, and a fan 6 is installed on the pipeline.
The working principle is as follows:
VOCS gas generated by each device in the preparation of methanol from coke oven gas is collected into a boiler through a pipeline for air distribution incineration treatment, wherein a coke oven gas compression oil separation tank 101 and a gas holder oil-water collection tank 102 in the coke oven gas area device are both closed devices, VOCS gas generated in the coke oven gas compression oil separation tank 101 enters a gas-liquid separator 103 for gas-liquid separation, separated liquid returns to the coke oven gas compression oil separation tank 101, and the separated gas and VOCS gas in the gas holder oil-water collection tank 102 are pumped into the boiler through the pipeline for air distribution incineration. Wherein, a plurality of coke oven gas compression oil separation tanks 101 can be arranged according to the requirements of site operation, and a plurality of gas-liquid separators 103, fans 6 and the like are correspondingly matched.
The crude methanol tank 201, the methanol tank 202, the methanol finished product tank 203, the fusel tank 204, the rectification underground tank 205 and the synthesis underground tank 206 in the tank field equipment can be stored in different areas according to production requirements, and the quantity can also be flexibly set, for example, the finished product area can store the methanol finished product tank 203A, the methanol finished product tank 203B and the fusel tank 204, the first-stage intermediate tank area can store the first-stage crude methanol tank 201, the first-stage methanol tank 202A, the first-stage methanol tank 202B, the first-stage synthesis underground tank 206 and the first-stage rectification underground tank 205, and the second-stage intermediate tank area can store the second-stage crude methanol tank 201, the second-stage methanol tank 202A, the second-stage methanol tank 202B, the second-stage synthesis underground tank 206 and the second-rectification underground tank 205. A gas collecting hood is covered above the breather valve 207 of each tank, and the blower 6 on the gas collecting pipeline generates negative pressure to collect the gas discharged by the breather valve 207. Wherein, the gas collecting pipeline of each storage area can be converged into a regional main pipeline, and a fan 6 is arranged on each regional main pipeline. Each zone main pipeline is finally converged into a main pipeline, the collected gas is pumped into a water washing tower 208 for water washing, methanol and other water-soluble gas components in the gas are washed away, and the water-insoluble gas components are continuously pumped into a boiler for air distribution incineration.
A liquid level sensor is arranged in a washing area at the lower layer of the washing tower 208, an automatic liquid discharge valve of the washing tower 208 is opened in an interlocking manner at a high liquid level, and redundant washing liquid is discharged to the existing methanol rectification section; when the liquid level is low, the water replenishing valve on the water replenishing pipeline of the water washing tower 208 is opened in an interlocking manner, and a certain amount of desalted water is replenished to ensure the stability of the liquid level. In the normal working process of the water scrubber 208, a part of the washing water can be recycled back to the water scrubber 208 through the circulating pump 210 for use, and the other part of the washing water can be discharged into the coke oven gas compression oil separation tank 101 or the synthetic underground tank 206.
In addition, in order to better distribute the air quantity generated by the fan 6, an air distribution valve 5 is arranged on each gas collecting pipeline so as to adjust the negative pressure of each gas collecting pipeline, ensure that the pressure at the collecting point is about-100 Pa, and ensure that the air of each tank can be pumped into a primary air channel of the boiler. Furthermore, each gas collecting pipeline is provided with an explosion-resistant flame arrester to ensure the safety of the tank field equipment.
Four-in-one (CO \ CH) is arranged on each zone main pipeline of the tank field equipment 4 \H 2 \CH 3 OH) analysis detector 7 and is arranged in front of fan 6With the air supply valve 9, when the methanol volume fraction in the regional main pipeline is detected to exceed 12.5 percent LEL (Lower Explosive applied Limited), the four-in-one (CO \ CH) 4 \H 2 \CH 3 OH) analysis and detection instrument 7 gives an alarm, and air supply valve 9 is manually opened to distribute air for dilution, so that the concentration of methanol is reduced, and the safety of pipelines is ensured.
The recovered tail gas from loading is collected in a pipeline, and is washed by a washing device 301 (such as a venturi washing device 301) to remove gas components dissolved in water, such as methanol, and the washed gas is pumped into a boiler by a fan 6 to be distributed for incineration.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 3 and 5, the exhaust port of the water scrubber 208 is connected with the air inlet of the maintenance water-sealed tank 211 through a pipeline, the pipeline is provided with a fan 6, the exhaust port of the maintenance water-sealed tank 211 is connected with the primary air inlet of the boiler through a pipeline, and the pipeline is provided with the fan 6, an automatic control valve 8 and a four-in-one (CO \ CH) device 4 \H 2 \CH 3 OH) analytical detector 7. The exhaust port of the maintenance water-sealed tank 211 is also connected with an emptying pipeline 4, and an emptying valve 401 is installed on the emptying pipeline 4. An exhaust port of the washing device 301 is connected with an air inlet of the safety maintenance water-sealed tank 302 through a pipeline, and a fan 6 is installed on the pipeline; the exhaust port of the safety maintenance water-sealed tank 302 is connected with the primary air inlet of the boiler through a pipeline, and a fan 6, an automatic control valve 8 and a four-in-one (CO \ CH) are arranged on the pipeline 4 \H 2 \CH 3 OH) analytical detector 7. The exhaust port of the safety maintenance water-sealed tank 302 is also connected with an emptying pipeline 4, and an emptying valve 401 is installed on the emptying pipeline 4.
When four are combined into one (CO \ CH) 4 \H 2 \CH 3 OH) when the analyzer 7 detects that the volume fraction of methanol in the pipeline exceeds 25% LEL, the automatic control valve 8 is closed in an interlocking manner, and the atmospheric valve 401 is opened; manually restore the interlock when the methanol volume fraction is less than 25% lel.
Example 3
On the basis of the embodiment 1, as shown in fig. 1 and 2, the exhaust port of the gas-liquid separator 103 is connected with the air inlet of the coke oven gas service water seal tank 105 through a pipeline; an exhaust port of the coke oven gas maintenance water-sealed tank 105 is connected with a primary air inlet of the boiler through a pipeline, and a fan 6 is arranged on the pipeline. The exhaust port of the gas-liquid separator 103 is further connected with the air inlet of the exhaust gas filter 106 through a pipeline, a fan 6 is installed on the pipeline, the exhaust port of the exhaust gas filter 106 is connected with a vent pipeline 4, and a vent valve 401 is installed on the vent pipeline 4. The vent gas filter 106 may employ a gas-liquid separator 103.
When a plurality of coke oven gas compression oil separation tanks 101 are arranged, four-in-one (CO \ CH) is respectively arranged on the pipeline between each gas-liquid separator 103 and the coke oven gas overhaul water seal tank 105 4 \H 2 \NH 3 ) An analysis and detection instrument 104, all pipelines are collected into a total collection pipeline, and four-in-one (CO \ CH) is arranged on the total collection pipeline 4 \H 2 \NH 3 ) The detector 104 is analyzed. An automatic control valve 8 is arranged on a pipeline between the exhaust port of the coke oven gas water seal tank 105 and the primary air inlet of the boiler, the exhaust port of the coke oven gas water seal tank 105 is also connected with an emptying pipeline 4, and an emptying valve 401 is arranged on the emptying pipeline 4. LEL, H when detected CO > 10% in the total collection line 2 >10%LEL、CH 4 >10%LEL、NH 3 LEL is calculated more than 5 percent, when any component exceeds the standard, the automatic control valve 8 is closed in an interlocking way, and the vent valve 401 of the vent pipeline 4 of the exhaust port of the coke oven gas maintenance water-sealed tank 105 is opened; when the volume fraction of the coke oven exhaust gas is reduced to CO > 10% 2 >10%LEL、CH 4 >10%LEL、NH 3 LEL > 5%, interlocking can be manually restored, when below.
Example 4
On the basis of the embodiment 1, as shown in fig. 1 and 3, the gas collecting hood is connected with the gas inlet of the cyclone buffer tank 209 through a gas collecting pipeline, a fan 6 is installed on the pipeline, and the gas outlet of the cyclone buffer tank 209 is connected with the gas inlet of the water washing tower 208 through a pipeline. The gas of the tank field equipment is collected and mixed and then enters a cyclone buffer tank 209, the separated liquid phase is discharged to a rectification underground tank 205, and the gas phase enters a water washing tower 208 for washing.
Example 5
Based on example 1, as shown in fig. 1 and 3, the exhaust of the gas collecting hood and the row of the water washing tower 208The air ports are respectively connected with an emptying pipeline 4, an emptying valve 401 is arranged on the emptying pipeline 4, and an automatic control valve 8 is arranged on each area main pipeline. When four in one (CO \ CH) 4 \H 2 \CH 3 OH) analysis detector 7 detects CO > 10% in the regional Total line LEL, H 2 >10%LEL、CH 4 >20%LEL、CH 3 OH is more than 25 percent, LEL, any component exceeds the standard, the automatic control valve 8 on the main pipeline of the area is closed in an interlocking way, and the atmospheric valve 401 is opened; the interlock is manually restored when the methanol tail gas component concentration in the zone main line is below the above-mentioned index.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The equipment in the process of preparing the methanol from the coke oven gas comprises coke oven gas area equipment, tank area equipment and loading station equipment, wherein the coke oven gas area equipment comprises a coke oven gas compression oil separation tank (101) and a gas tank oil-water collection tank (102), the tank area equipment comprises a crude methanol tank (201), a methanol tank (202), a methanol finished product tank (203), a fusel tank (204), a rectification underground tank (205) and a synthetic underground tank (206), and the loading station equipment comprises a methanol loading crane pipe; the device is characterized in that an exhaust port of the coke-oven gas compression oil separation tank (101) is connected with an air inlet of a gas-liquid separator (103) through a pipeline, and a liquid outlet of the gas-liquid separator (103) is connected with a liquid reflux port of the coke-oven gas compression oil separation tank (101) through a pipeline; an exhaust port of the gas-liquid separator (103) is connected with a primary air inlet of the boiler through a pipeline, and a fan (6) is arranged on the pipeline; an exhaust port of the gas holder oil-water collecting tank (102) is connected with a primary air inlet of the boiler through a pipeline, and a fan (6) is arranged on the pipeline; a gas collecting hood is arranged above a breather valve (207) of the crude methanol tank (201), the methanol tank (202), the methanol finished product tank (203), the fusel tank (204), the rectification underground tank (205) and the synthesis underground tank (206), an exhaust port of the gas collecting hood is connected with an air inlet of a water washing tower (208) through a gas collecting pipeline, and a fan (6) is arranged on the gas collecting pipeline; an exhaust port of the water washing tower (208) is connected with a primary air inlet of the boiler through a pipeline, and a fan (6) is arranged on the pipeline; the methanol loading crane pipe is connected with an air inlet of the washing device (301) through a pipeline, an exhaust port of the washing device (301) is connected with a primary air inlet of the boiler through a pipeline, and a fan (6) is installed on the pipeline.
2. The VOCS gas treatment system of equipment for preparing methanol from coke oven gas according to claim 1, wherein the exhaust port of the gas-liquid separator (103) is connected with the gas inlet of a coke oven gas maintenance water seal tank (105) through a pipeline; an exhaust port of the coke oven gas maintenance water-sealed tank (105) is connected with a primary air inlet of the boiler through a pipeline, and a fan (6) is arranged on the pipeline.
3. The VOCS gas treatment system of equipment for preparing methanol from coke oven gas as claimed in claim 1, wherein the exhaust port of the gas-liquid separator (103) is further connected with the inlet port of the exhaust gas filter (106) through a pipeline, a fan (6) is installed on the pipeline, the exhaust port of the exhaust gas filter (106) is connected with a vent pipeline (4), and a vent valve (401) is installed on the vent pipeline (4).
4. The VOCS gas treatment system of equipment for preparing methanol from coke oven gas according to claim 1, wherein the gas collecting hood is connected with the gas inlet of the cyclone buffer tank (209) through a gas collecting pipeline, a fan (6) is installed on the pipeline, and the gas outlet of the cyclone buffer tank (209) is connected with the gas inlet of the water washing tower (208) through a pipeline.
5. The VOCS gas treatment system of equipment for preparing methanol from coke oven gas as claimed in claim 1, wherein the exhaust port of the gas collecting hood and the exhaust port of the water washing tower (208) are respectively connected with an emptying pipeline (4), and the emptying pipeline (4) is provided with an emptying valve (401).
6. The VOCS gas treatment system of equipment for preparing methanol from coke oven gas as claimed in claim 1, wherein the circulating liquid outlet of the water scrubber (208) is connected with the liquid inlet of the water scrubber (208) through a pipeline, and a circulating pump (210) is installed on the pipeline.
7. The VOCS gas treatment system of equipment for preparing methanol from coke oven gas according to claim 1, wherein the exhaust port of the water scrubber (208) is connected with the air inlet of the maintenance water-sealed tank (211) through a pipeline, a fan (6) is installed on the pipeline, the exhaust port of the maintenance water-sealed tank (211) is connected with the primary air inlet of the boiler through a pipeline, and the fan (6) is installed on the pipeline.
8. The VOCS gas treatment system of equipment for preparing methanol from coke oven gas according to claim 1, wherein the exhaust port of the washing device (301) is connected with the air inlet of the safety maintenance water-sealed tank (302) through a pipeline, and a fan (6) is installed on the pipeline; an exhaust port of the safety maintenance water seal tank (302) is connected with a primary air inlet of the boiler through a pipeline, and a fan (6) is installed on the pipeline.
CN202222704981.0U 2022-10-14 2022-10-14 VOCS gas treatment system of equipment in coke oven gas-to-methanol Active CN218321226U (en)

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CN202222704981.0U CN218321226U (en) 2022-10-14 2022-10-14 VOCS gas treatment system of equipment in coke oven gas-to-methanol

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Application Number Priority Date Filing Date Title
CN202222704981.0U CN218321226U (en) 2022-10-14 2022-10-14 VOCS gas treatment system of equipment in coke oven gas-to-methanol

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CN218321226U true CN218321226U (en) 2023-01-17

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