CN209968089U - Anthraquinone tail gas washing device - Google Patents
Anthraquinone tail gas washing device Download PDFInfo
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- CN209968089U CN209968089U CN201920617599.1U CN201920617599U CN209968089U CN 209968089 U CN209968089 U CN 209968089U CN 201920617599 U CN201920617599 U CN 201920617599U CN 209968089 U CN209968089 U CN 209968089U
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Abstract
The utility model discloses an anthraquinone tail gas washing device, including water film gas wash tower and circulating water pool, the circulating water pool includes lower part sedimentation tank and top clean water reservoir, the alkaline wastewater disposal basin that tar was deviate from is connected to the sedimentation tank, the water film gas wash tower sets up lower part tail gas access connection anthraquinone tail gas aiutage, and the bottom sets up the sedimentation tank that the shower water export accesss to the circulating water pool, water film gas wash tower top sets up the tail gas export, supreme following is divided into down to the water film gas wash tower: the device comprises a first tower body, a second tower body and a third tower body, wherein a first spray pipe is arranged in the first tower body, a dust fall spray head is arranged in the second tower body, a demister is arranged in the third tower body, the anthraquinone tail gas is absorbed and deodorized by adopting water circulation spray, a wet dust removal and deodorization device is newly built by utilizing field condition design, alkaline water is used for washing and neutralizing acid gas, and the effects of removing peculiar smell and dust are achieved.
Description
Technical Field
The utility model relates to an anthraquinone tail gas washing device belongs to coal chemical industry tail gas and removes dust and corollary equipment technical field.
Background
Coal tar is one of the products in crude gas generated by pyrolysis of coal in the coking industry, the yield of the coal tar is about 3 percent to ~ 4 percent of the charged coal, the composition of the coal tar is very complex, and the coal tar is specially separated and purified by the coal tar industry to be utilized in most cases.
The tail gas generated in the production process of 4 anthraquinone production lines is discharged by an exhaust funnel, every two production lines share one exhaust funnel, and the exhaust volume of each exhaust funnel is 8000 ~ 8500 m3The temperature is 40 ~ 50 ℃ in winter, 60 ~ 70 ℃ in summer, and the pressure is 0 ~ 1KPa, the anthraquinone tail gas mainly contains low-melting-point organic matters such as naphthalene anhydride, phthalic anhydride and maleic anhydride, anthraquinone (dust) and water vapor, is acidic in smell, and forms acidic liquid after being dissolved in water, and has strong corrosivity.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art existence, the utility model discloses an anthraquinone tail gas washing device adopts hydrologic cycle to spray to absorb the mode of removing the flavor to 4 line tail gases of anthraquinone, utilizes the newly-built one set of wet dedusting of site conditions design to take off the flavor device, adopts buck washing, neutralization acid gas, reaches the effect of desorption peculiar smell and dust.
The utility model discloses a following technical scheme realizes:
an anthraquinone tail gas washing device comprises a water film dedusting tower and a circulating water tank, wherein the circulating water tank comprises a lower settling tank and a top clean water tank, the settling tank is connected with an alkaline wastewater tank from which tar is separated, the settling tank is divided into a plurality of mutually separated settling units, the bottom of each settling unit is provided with a sludge discharge port, the top of each settling unit is provided with a water collecting tank, the water collecting tanks are communicated with the clean water tank, and a filter screen is detachably arranged at the connecting part of each water collecting tank and the clean water tank;
the water film gas wash tower sets up lower part tail gas access connection anthraquinone tail gas aiutage, and the bottom sets up the sedimentation tank that the shower water export accesss to the circulation pond, the water film gas wash tower top sets up the tail gas export, supreme being divided into is followed to the water film gas wash tower down: the inner diameter of the first tower body is 1/3-1/2 of the second tower body, a first spray pipe is arranged in the first tower body, a plurality of spray holes are spirally arranged on the first spray pipe along the pipe wall, 4-6 groups of dust settling spray heads are arranged in the second tower body from bottom to top, a demister is arranged in the third tower body, and the upper part and the lower part of the demister are respectively provided with a high-pressure washing spray head; first shower, dust fall shower nozzle and high pressure washing terminals equally divide and do not the pipe connection water purification tank, all be provided with circulating water pump and ooff valve on the pipeline that first shower and dust fall shower nozzle and water purification tank are connected, be provided with circulating water pump and time switch solenoid valve on the pipeline that high pressure washing terminals and water purification tank are connected.
The 4-6 groups of dust-settling spray heads comprise spiral spray heads and atomizing spray heads which are alternately arranged, the spiral spray heads spray in the horizontal direction, and each atomizing spray head sprays in different directions.
The sludge discharge port is provided with a switch.
The water film dust removal tower is made of stainless steel.
The number of the demisters is 1-3.
Compared with the prior art, the utility model following beneficial effect has:
and the waste gas passes through the dust removal room and then is led to the stainless steel water film dust remover, and after the waste gas is fully washed, the waste gas is removed of water drops contained in the air through a demister and then is discharged. The washing water is alkaline waste water from which tar is removed. The middle of the circulating water tank is separated, so that the washing water is fully precipitated, the cleaning is convenient, the washing water can be used for one time, and the production is not influenced.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a first shower structure.
In the figure, 1-water film dedusting tower, 2-circulating water tank, 3-alkaline wastewater tank, 4-anthraquinone tail gas exhaust funnel, 5-spray water outlet, 6-tail gas outlet, 7-circulating water pump, 8-switch valve, 9-time switch electromagnetic valve, 10-atomization spray head, 11-first tower body, 12-second tower body, 13-third tower body, 14-first spray pipe, 15-spray hole, 17-demister, 18-high pressure flushing spray head, 19-spiral spray head, 21-sedimentation tank, 22-water purification tank, 23-sludge discharge port, 24-water collecting tank, 25-filter screen.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but the scope of the present invention is not limited to these embodiments, and any changes or equivalent substitutions that do not depart from the spirit of the present invention are intended to be included within the scope of the present invention.
Example 1
As shown in figure 1, the anthraquinone tail gas washing device comprises a water film dust removal tower 1 and a circulating water tank 2,
the circulating water tank 2 comprises a lower sedimentation tank 21 and a top clean water tank 22, the sedimentation tank 21 is connected with an alkaline wastewater tank 3 from which tar is removed, the sedimentation tank 21 is divided into a plurality of sedimentation units which are separated from each other, the bottom of each sedimentation unit is provided with a sludge discharge port 23, the top of each sedimentation unit is provided with a water collecting tank 24, the water collecting tanks 24 are communicated with the clean water tank 22, and the connecting parts of the water collecting tanks and the clean water tank are detachably provided with filter screens 25;
the lower part tail gas access connection anthraquinone tail gas aiutage 4 of water film gas wash tower 1, the bottom sets up spray water export 5 and accesss to sedimentation tank 21 of circulating water pond 2, 1 top in water film gas wash tower sets up tail gas export 6, supreme being divided into is down followed to the water film gas wash tower: the device comprises a first tower body 11, a second tower body 12 and a third tower body 13, wherein the inner diameter of the first tower body 11 is 1/3-1/2 of the second tower body 12, a first spray pipe 14 is arranged in the first tower body 11, a plurality of spray holes 15 are spirally arranged on the first spray pipe along the pipe wall, 4-6 groups of dust-settling spray heads are arranged in the second tower body 12 from bottom to top, a demister 17 is arranged in the third tower body 13, and the upper part and the lower part of the demister are respectively provided with a high-pressure washing spray head 18; first shower 14, dust fall shower nozzle and high pressure washing terminals 18 equally divide and do not say union coupling clean water reservoir 22, all be provided with circulating water pump 7 and ooff valve 8 on the pipeline that first shower and dust fall shower nozzle and clean water reservoir are connected, be provided with circulating water pump 7 and time switch solenoid valve 9 on the pipeline that high pressure washing terminals and clean water reservoir are connected.
The 4-6 groups of dust-settling spray heads 16 comprise spiral spray heads 19 and atomization spray heads 10 which are alternately arranged, wherein the spiral spray heads 19 spray in the horizontal direction, and each atomization spray head 10 sprays in different directions.
The sludge discharge port 13 is provided with a switch.
The water film dust removal tower 1 is made of stainless steel.
The spiral nozzle 19 is a stainless steel spiral nozzle.
The number of the demisters is 1-3.
In actual work, anthraquinone tail gas from an anthraquinone tail gas exhaust funnel enters a water film dust removal tower and sequentially passes through a first tower body, a second tower body and a third tower body, a first spray pipe in the first tower body is used for carrying out primary dust removal washing on the tail gas, the inner diameter of the first tower body is narrow, and the gas-liquid contact area can be effectively increased; the second tower body is internally provided with a dust fall spray head which comprises spiral spray heads and atomizing spray heads which are alternately arranged, the spiral spray heads spray in the horizontal direction, each atomizing spray head sprays in different directions, anthraquinone tail gas can be further sprayed and washed, and the spraying are combined to ensure the washing effect; the defroster in the third tower body is used for a small amount of dust and liquid drop that gas was smugglied secretly in the knockout tower to guarantee there is mass transfer efficiency, the defroster is provided with high pressure washing terminals from top to bottom respectively, sprays and washes dust and liquid drop that smugglied secretly to the defroster to guarantee that there is not long-pending material on the defroster, prevent that the time from having been of a specified duration and having caused the jam.
The washing water of water film gas wash tower is accesss to the sedimentation tank of circulating water pond from the spray water export at the bottom of the tower, subsides, and sedimentation tank bottom silt is discharged through the mud discharging mouth, and the catch basin at sedimentation tank top advances the water purification and lets in the clean water reservoir, the catch basin can be dismantled with clean water reservoir connecting portion and be provided with the filter screen, prevents that a small amount of silt from getting into the clean water reservoir to through circulating water pump entering pipeline, cause the stagnant blood of first shower, dust fall shower nozzle or high pressure washing shower nozzle to block up.
The water in the circulating water tank comes from alkaline waste water from which tar is removed, and the waste water is utilized.
The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An anthraquinone tail gas washing device is characterized by comprising a water film dust removal tower and a circulating water tank,
the circulating water tank comprises a lower sedimentation tank and a top clean water tank, the sedimentation tank is connected with an alkaline wastewater tank from which tar is removed, the sedimentation tank is divided into a plurality of sedimentation units which are separated from each other, the bottom of each sedimentation unit is provided with a sludge discharge port, the top of each sedimentation unit is provided with a water collecting tank, the water collecting tanks are communicated with the clean water tank, and a filter screen is detachably arranged at the connection part of each water collecting tank and the clean water tank;
the water film gas wash tower sets up lower part tail gas access connection anthraquinone tail gas aiutage, and the bottom sets up the sedimentation tank that the shower water export accesss to the circulation pond, the water film gas wash tower top sets up the tail gas export, supreme being divided into is followed to the water film gas wash tower down: the inner diameter of the first tower body is 1/3-1/2 of the second tower body, a first spray pipe is arranged in the first tower body, a plurality of spray holes are spirally arranged on the first spray pipe along the pipe wall, 4-6 groups of dust settling spray heads are arranged in the second tower body from bottom to top, a demister is arranged in the third tower body, and the upper part and the lower part of the demister are respectively provided with a high-pressure washing spray head; first shower, dust fall shower nozzle and high pressure washing terminals equally divide and do not the pipe connection water purification tank, all be provided with circulating water pump and ooff valve on the pipeline that first shower and dust fall shower nozzle and water purification tank are connected, be provided with circulating water pump and time switch solenoid valve on the pipeline that high pressure washing terminals and water purification tank are connected.
2. An anthraquinone tail gas washing device according to claim 1, wherein the 4-6 groups of dust-settling nozzles comprise spiral nozzles and atomizing spray heads which are alternately arranged, the spiral nozzles spray in a horizontal direction, and each atomizing spray head sprays in different directions.
3. An anthraquinone tail gas washing device according to claim 1, wherein the sludge discharge port is provided with a switch.
4. The anthraquinone tail gas washing device according to claim 1, wherein the water film dust removal tower is made of stainless steel.
5. An anthraquinone tail gas washing device according to claim 1, wherein the number of the demister is 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617599.1U CN209968089U (en) | 2019-04-30 | 2019-04-30 | Anthraquinone tail gas washing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617599.1U CN209968089U (en) | 2019-04-30 | 2019-04-30 | Anthraquinone tail gas washing device |
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| CN209968089U true CN209968089U (en) | 2020-01-21 |
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| CN201920617599.1U Active CN209968089U (en) | 2019-04-30 | 2019-04-30 | Anthraquinone tail gas washing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807924A (en) * | 2021-02-08 | 2021-05-18 | 陕西陕化煤化工集团有限公司 | Phosphorus ammonia tail gas clean-up system |
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2019
- 2019-04-30 CN CN201920617599.1U patent/CN209968089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807924A (en) * | 2021-02-08 | 2021-05-18 | 陕西陕化煤化工集团有限公司 | Phosphorus ammonia tail gas clean-up system |
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