CN219784175U - Absorption treatment device for chlorine-containing tail gas - Google Patents
Absorption treatment device for chlorine-containing tail gas Download PDFInfo
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- CN219784175U CN219784175U CN202321322256.5U CN202321322256U CN219784175U CN 219784175 U CN219784175 U CN 219784175U CN 202321322256 U CN202321322256 U CN 202321322256U CN 219784175 U CN219784175 U CN 219784175U
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- Prior art keywords
- absorption
- gas
- tail gas
- pipeline
- communicated
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 85
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000000460 chlorine Substances 0.000 title claims abstract description 31
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 19
- 239000011229 interlayer Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 86
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000220317 Rosa Species 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an absorption treatment device for chlorine-containing tail gas, wherein a conveying pipeline b is communicated with the center of the lower surface of a filter box, a columnar hollow filter element is detachably arranged in the filter box, an inverted U-shaped air inlet pipeline is arranged above the filter box, the air inlet pipeline is communicated with a gas collecting cover through a conveying pipeline a, one side of a gas drying box is communicated with the conveying pipeline b, and the other side of the gas drying box is communicated with an air inlet channel of an induced draft fan through a conveying pipeline c; an interlayer is arranged outside the absorption tank, the upper end of the absorption tank is rotatably provided with a stirring shaft in a penetrating way, the lower end of the absorption tank is provided with a liquid outlet, the lower end of the stirring shaft is connected with a stirring piece, the upper end of the absorption tank is externally connected with a driving motor, the left end of the upper surface of the absorption tank is provided with a thermometer, the right end of the upper surface of the absorption tank is provided with an exhaust pipeline and an absorption liquid inlet pipeline, one end of a tail gas inlet pipeline is communicated with an air outlet channel of a draught fan, the other end of the tail gas inlet pipeline is positioned on the inner bottom surface of the absorption tank and is transversely connected with an air distribution pipeline, and the surface of the air distribution pipeline is uniformly provided with air distribution holes; the utility model has the advantages of reasonable overall design and good tail gas absorption treatment effect.
Description
Technical Field
The utility model belongs to the technical field of chemical industry, and particularly relates to an absorption treatment device for chlorine-containing tail gas.
Background
The industrial method for preparing sodium hydroxide, chlorine and hydrogen by using an electrolytically saturated sodium chloride solution is used for producing a series of chemical products by taking the sodium hydroxide, the chlorine and the hydrogen as raw materials, which is called chlor-alkali industry; the chlor-alkali industry is one of the most basic chemical industries, and its products are widely used in light industry, textile industry, metallurgical industry, petrochemical industry and utilities in addition to the chemical industry itself; in the treatment process of chlorine-containing tail gas, as the gas has corrosiveness, the induced draft equipment is mostly made of metal materials and is directly connected with the induced draft equipment, so that the corrosion rate of the induced draft fan or the induced draft equipment is higher, the service time is greatly reduced, a certain danger is formed, and the investment of related equipment is increased; meanwhile, when the existing chlorine-containing tail gas is treated, the gas is not fully absorbed due to the limitation of treatment equipment, so that the tail gas is not thoroughly treated, the surrounding ecological environment is influenced, and meanwhile, certain environmental pollution is formed; therefore, the absorption treatment device of chlorine-containing tail gas in the chlor-alkali industry is improved, the problems of equipment corrosion, incomplete treatment, unqualified emission and the like in the treatment process are solved, and the development of the absorption treatment device of the chlorine-containing tail gas is necessary.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the chlorine-containing tail gas absorption treatment device which is reasonable in overall design and good in tail gas absorption treatment effect.
The purpose of the utility model is realized in the following way: the utility model provides an absorption processing apparatus of chlorine-containing tail gas, includes gas pretreatment device, draught fan and gas absorption processing apparatus, gas pretreatment device includes gas collection cover, rose box and gas drying cabinet, gas collection cover lower extreme is provided with the tail gas import, and the upper end is provided with transfer line a, the rose box is located the side of gas collection cover, and the center department of its lower surface communicates there is transfer line b, inside vertical detachable is provided with the filter core, and the top is provided with the admission line of the type of falling U, the both ends of admission line are fixed intercommunication with the both sides of rose box upper surface respectively, and admission line and transfer line a communicate each other, the filter core is the cylindric of inside hollow; the gas drying box is positioned at the side end of the filter box, one side of the gas drying box is fixedly communicated with the conveying pipeline b, the other side of the gas drying box is communicated with the air inlet channel of the induced draft fan through the conveying pipeline c, and the conveying pipeline c is provided with a gas flowmeter; the gas absorption treatment device comprises an absorption tank and a tail gas inlet pipe, an interlayer is arranged outside the absorption tank, a stirring shaft is rotatably arranged in the center of the upper surface, a liquid outlet is arranged in the middle of the lower surface, the lower end of the stirring shaft is positioned in the absorption tank and is concentrically and fixedly connected with a stirring piece, a driving motor is externally connected to the upper end of the stirring shaft, a thermometer is arranged at the left end of the upper surface of the absorption tank, an exhaust pipeline and an absorption liquid inlet pipeline are arranged at the right end of the upper surface of the absorption tank, an absorption liquid detection device is arranged inside the absorption tank, one end of the tail gas inlet pipe is communicated with an air outlet channel of an induced draft fan, the other end of the tail gas inlet pipe is positioned at the inner bottom surface of the absorption tank through the left end of the upper surface of the absorption tank, a wind distribution pipe is transversely connected to the wind distribution pipe, and the wind distribution pipe is positioned below the stirring piece and wind distribution holes are uniformly formed in the outer surface of the stirring pipe.
The left lower end of the interlayer is provided with a cooling water inlet, and the right upper end of the interlayer is provided with a cooling water outlet.
The induced draft fan is made of fluoroplastic materials, the outer layer of the metal fitting of the induced draft fan is subjected to tetrafluoro spraying, and the induced draft fan has a wind power adjusting function and can be adjusted according to the treatment requirements of chlorine-containing tail gas.
And a gas detection device is arranged on the exhaust pipeline.
The left side face of the absorption tank is provided with a liquid level meter, and the right side face of the absorption tank is provided with a sight glass.
The utility model has the beneficial effects that: according to the utility model, the gas pretreatment device is arranged, and the filter box and the drying box are used for respectively carrying out dust removal, filtration and drying on chlorine-containing tail gas, so that dust impurities and moisture in the tail gas are effectively removed, and corrosion and dust accumulation on an induced draft fan are reduced; through setting up stirring piece and cloth tuber pipe, utilize cloth wind hole on the cloth tuber pipe can evenly pour into the bottom of absorption jar with chlorine-containing tail gas that cloth tuber pipe was poured into, utilize stirring piece can evenly stir the absorption liquid in chlorine-containing tail gas and the absorption jar into to make the in-process that chlorine-containing tail gas risen, fully contact with the absorption liquid, improve the absorption treatment effect of tail gas; by arranging the gas detection device, the gas exhausted through the exhaust pipeline can be conveniently detected, so that qualified exhaust of the gas is ensured; in general, the utility model has the advantages of reasonable overall design and good tail gas absorption treatment effect.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a cross-sectional view of the connection between the inlet duct, filter housing and filter cartridge of the present utility model.
FIG. 3 is a cross-sectional view of a front view of a gas-absorbing treatment apparatus of the present utility model.
In the figure: 1. the gas pretreatment device 11, the gas collection hood 12, the filter box 13, the gas drying box 14, the conveying pipeline a 15, the conveying pipeline b 16, the filter element 17, the air inlet pipeline 18, the conveying pipeline c 19, the gas flowmeter 2, the induced draft fan 3, the gas absorption treatment device 31, the absorption tank 311, the interlayer 312, the liquid outlet 313, the liquid level meter 314, the sight glass 32, the tail gas inlet pipe 33, the stirring shaft 34, the stirring piece 35, the thermometer 36, the exhaust pipeline 361, the gas detection device 37, the absorption liquid inlet pipeline 38 and the air distribution pipe.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings.
Examples: as shown in fig. 1, fig. 2 and fig. 3, the absorption treatment device for chlorine-containing tail gas comprises a gas pretreatment device 1, a draught fan 2 and a gas absorption treatment device 3, wherein the gas pretreatment device 1 comprises a gas collection cover 11, a filter box 12 and a gas drying box 13, a tail gas inlet is arranged at the lower end of the gas collection cover 11, a conveying pipeline a14 is arranged at the upper end of the gas collection cover 11, the filter box 12 is positioned at the side end of the gas collection cover 11, a conveying pipeline b15 is communicated at the center of the lower surface of the filter box 12, a filter element 16 is vertically and detachably arranged in the filter box, an inverted U-shaped air inlet pipeline 17 is arranged above the filter element, two ends of the air inlet pipeline 17 are fixedly communicated with two sides of the upper surface of the filter box 12 respectively, the air inlet pipeline 17 is communicated with the conveying pipeline a14, and the filter element 16 is in a hollow cylindrical shape; the gas drying box 13 is positioned at the side end of the filter box 12, one side of the gas drying box is fixedly communicated with the conveying pipeline b15, the other side of the gas drying box is communicated with the air inlet channel of the induced draft fan 2 through the conveying pipeline c18, and the conveying pipeline c18 is provided with a gas flowmeter 19; the gas absorption treatment device 3 comprises an absorption tank 31 and a tail gas inlet pipe 32, an interlayer 311 is arranged outside the absorption tank 31, a stirring shaft 33 is rotatably arranged in the center of the upper surface, a liquid outlet 312 is arranged in the middle of the lower surface, the lower end of the stirring shaft 33 is positioned inside the absorption tank 31 and is concentrically and fixedly connected with a stirring piece 34, the upper end is externally connected with a driving motor, the left end of the upper surface of the absorption tank 31 is provided with a thermometer 35, the right end of the upper surface is provided with an exhaust pipeline 36 and an absorption liquid inlet pipe 37, one end of the tail gas inlet pipe 32 is communicated with an air outlet channel of the induced draft fan 2, the other end of the tail gas inlet pipe is positioned on the inner bottom surface of the absorption tank 31 through the left end of the upper surface of the absorption tank 31 and is transversely connected with a wind distribution pipe 38, the wind distribution pipe 38 is positioned below the stirring piece 34, and wind distribution holes are uniformly formed in the outer surface.
The left lower end of the interlayer 311 is provided with a cooling water inlet, and the right upper end is provided with a cooling water outlet; the induced draft fan 2 is made of a fluoroplastic material, the outer layer of a metal fitting of the induced draft fan 2 is subjected to tetrafluoro spraying, the induced draft fan 2 has a wind power adjusting function, the size of the induced draft fan can be adjusted according to the treatment requirement of chlorine-containing tail gas, and the corrosion of the induced draft fan 2 in the tail gas treatment process can be reduced by adopting the structure; the exhaust pipe 36 is provided with a gas detection device 361, and the gas detection device 361 can be used for conveniently detecting the gas exhausted through the exhaust pipe 36, so that the qualified exhaust of the gas is ensured; the left side surface of the absorption tank 31 is provided with a liquid level meter 313, the right side surface is provided with a sight glass 314, and the liquid level meter 313 and the sight glass 314 are utilized to facilitate the observation of the amount of absorption liquid in the absorption tank 31.
When the device is used, the induced draft fan 2 is started, chlorine-containing tail gas is firstly sent into the filter box 12 from the tail gas inlet at the lower end of the gas collection cover 11 through the conveying pipeline a14 and the air inlet pipeline 17 under the induced draft effect of the induced draft fan 2, then the chlorine-containing tail gas entering the filter box 12 enters the filter core 16 from the outside of the filter core 16, enters the gas drying box 13 through the conveying pipeline b15 after dust removal and filtration of the filter core 16, then the chlorine-containing tail gas is dehumidified and dried in the gas drying box 13, is evenly discharged into the absorption tank 31 through the tail gas inlet pipe 32 and the air distribution pipe 38 under the air supply effect of the induced draft fan 2, finally, the driving motor is started, the stirring piece 34 is driven to rotate through the stirring shaft 33 by the rotation of the driving motor, so that the chlorine-containing tail gas injected by the air distribution pipe 38 and the absorption liquid in the absorption tank 31 are evenly stirred, and then the chlorine-containing tail gas is fully contacted with the absorption liquid in the rising process, and the absorption treatment effect is improved; meanwhile, the temperature of the absorption liquid in the absorption tank 31 can be measured by the thermometer 35 and the interlayer 311, the cooling water can be injected into the interlayer 311, so that the temperature of the absorption liquid in the absorption tank 31 can be controlled and regulated, and the absorption liquid detection device can be used for detecting the content of chlorine in the absorption liquid in the absorption tank 31, so that the absorption liquid is discharged from the liquid outlet 312 when the replacement requirement is met, and new absorption liquid is injected from the absorption liquid inlet pipeline 37; by providing the gas detection device 361, the gas discharged through the exhaust pipe 36 can be conveniently detected, so that the qualified discharge of the gas is ensured; in general, the utility model has the advantages of reasonable overall design and good tail gas absorption treatment effect.
Claims (5)
1. The utility model provides an absorption processing apparatus of chlorine-containing tail gas, includes gaseous preprocessing device (1), draught fan (2) and gaseous absorption processing apparatus (3), its characterized in that: the gas pretreatment device (1) comprises a gas collection cover (11), a filter tank (12) and a gas drying box (13), wherein a tail gas inlet is formed in the lower end of the gas collection cover (11), a conveying pipeline a (14) is arranged at the upper end of the gas collection cover, the filter tank (12) is positioned at the side end of the gas collection cover (11), a conveying pipeline b (15) is communicated at the center of the lower surface of the filter tank, a filter element (16) is vertically and detachably arranged in the filter tank, an inverted U-shaped air inlet pipeline (17) is arranged above the filter element, two ends of the air inlet pipeline (17) are fixedly communicated with two sides of the upper surface of the filter tank (12) respectively, the air inlet pipeline (17) is mutually communicated with the conveying pipeline a (14), and the filter element (16) is cylindrical with a hollow interior; the gas drying box (13) is positioned at the side end of the filter box (12), one side of the gas drying box is fixedly communicated with the conveying pipeline b (15), the other side of the gas drying box is communicated with the air inlet channel of the induced draft fan (2) through the conveying pipeline c (18), and a gas flowmeter (19) is arranged on the conveying pipeline c (18); the gas absorption treatment device (3) comprises an absorption tank (31) and a tail gas inlet pipe (32), an interlayer (311) is arranged outside the absorption tank (31), a stirring shaft (33) is rotatably arranged in the center of the upper surface, a liquid outlet (312) is arranged in the middle of the lower surface, the lower end of the stirring shaft (33) is located in the absorption tank (31), a stirring piece (34) is fixedly connected concentrically, a driving motor is externally connected to the upper end of the stirring shaft, a thermometer (35) is arranged at the left end of the upper surface of the absorption tank (31), an exhaust pipeline (36) and an absorption liquid inlet pipe (37) are arranged at the right end of the upper surface of the stirring shaft, one end of the tail gas inlet pipe (32) is communicated with an air outlet channel of the induced draft fan (2), the other end of the tail gas inlet pipe is located at the inner bottom surface of the absorption tank (31) through the left end of the upper surface of the absorption tank (31), a wind distribution pipe (38) is transversely connected, the wind distribution pipe (38) is located below the stirring piece (34), and wind distribution holes are uniformly formed in the outer surface.
2. The chlorine-containing tail gas absorption treatment device as recited in claim 1, wherein: the left lower end of the interlayer (311) is provided with a cooling water inlet, and the right upper end of the interlayer is provided with a cooling water outlet.
3. The chlorine-containing tail gas absorption treatment device as recited in claim 1, wherein: the induced draft fan (2) is made of fluoroplastic materials, the metal fitting outer layer of the induced draft fan is subjected to tetrafluoro spraying, and the induced draft fan (2) has a wind power adjusting function and can be adjusted according to the treatment requirements of chlorine-containing tail gas.
4. The chlorine-containing tail gas absorption treatment device as recited in claim 1, wherein: a gas detection device (361) is arranged on the exhaust pipeline (36).
5. The chlorine-containing tail gas absorption treatment device as recited in claim 1, wherein: the left side face of the absorption tank (31) is provided with a liquid level meter (313), and the right side face is provided with a sight glass (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321322256.5U CN219784175U (en) | 2023-05-29 | 2023-05-29 | Absorption treatment device for chlorine-containing tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321322256.5U CN219784175U (en) | 2023-05-29 | 2023-05-29 | Absorption treatment device for chlorine-containing tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784175U true CN219784175U (en) | 2023-10-03 |
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ID=88155080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321322256.5U Active CN219784175U (en) | 2023-05-29 | 2023-05-29 | Absorption treatment device for chlorine-containing tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784175U (en) |
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2023
- 2023-05-29 CN CN202321322256.5U patent/CN219784175U/en active Active
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