CN114452805A - Second-stage absorption system of hydrochloric acid tower for chemical synthetic materials - Google Patents
Second-stage absorption system of hydrochloric acid tower for chemical synthetic materials Download PDFInfo
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- CN114452805A CN114452805A CN202210121209.8A CN202210121209A CN114452805A CN 114452805 A CN114452805 A CN 114452805A CN 202210121209 A CN202210121209 A CN 202210121209A CN 114452805 A CN114452805 A CN 114452805A
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 157
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 239000000126 substance Substances 0.000 title claims abstract description 14
- 229920002994 synthetic fiber Polymers 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 239000004744 fabric Substances 0.000 claims abstract description 33
- 239000003513 alkali Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 8
- 206010044565 Tremor Diseases 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 47
- 239000000428 dust Substances 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2045—Hydrochloric acid
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a secondary absorption system of a hydrochloric acid tower for chemical synthetic materials, which relates to the technical field of purification systems and comprises a heat exchange tube, a buffer tank, a primary absorption tower, a secondary absorption tower and an absorption liquid tank, wherein the heat exchange tube is provided with a hydrochloric acid gas inlet, and the output end of the heat exchange tube is communicated with the buffer tank; according to the invention, hydrochloric acid tail gas is treated by the primary absorption tower and the secondary absorption tower, in the primary absorption tower, the hydrochloric acid tail gas penetrates from the outside of the cloth bag to the inside of the cloth bag and is discharged from the funnel pipe at the upper end, in the process, particulate matters in the hydrochloric acid tail gas are blocked at the outer side of the cloth bag, meanwhile, alkali liquor in the absorption liquid tank is sprayed into the funnel pipe by the water pump through the nozzle of the first water pipe to absorb the hydrochloric acid tail gas, in the secondary absorption tower, the alkali liquor in the absorption liquid tank is sprayed out from the spray head through the water pump to the water collecting bin through the second water pipe, and is matched with the filler to carry out secondary absorption, the whole process is filtered, absorbed and reabsorbed, the treatment effect is better, and particles are not easy to remain.
Description
Technical Field
The invention relates to the technical field of purification systems, in particular to a secondary absorption system of a hydrochloric acid tower for chemical synthetic materials.
Background
The chemical synthetic material is also called artificial material and synthetic material, is a material which is processed by different substances through chemical method or polymerization artificially, and has different characteristics from the raw material, such as plastic, glass, steel and the like;
in the processing of chemical synthetic materials, hydrochloric acid tail gas is often generated, in the prior art, generally, a hydrogen chloride tail gas pipe, a falling film absorption tower, a condenser and a finished product recovery tank which are connected in sequence are adopted for treating the hydrochloric acid tail gas, the structure and the process are simple, the absorbed hydrogen chloride gas can be absorbed by a water bath method only in two simple parts of the absorption tower and the condenser, the standard for industrial application cannot be met, the utilization rate is low, particles are easy to remain, and the treatment effect is difficult to ensure.
Disclosure of Invention
Aiming at the problems, the invention provides a secondary absorption system of a hydrochloric acid tower for chemical synthetic materials, the hydrochloric acid tail gas is fed into the secondary absorption system of the hydrochloric acid tower for the chemical synthetic material through a heat exchange pipe, is buffered by a buffer tank and then is discharged into a primary absorption tower, in the first-stage absorption tower, hydrochloric acid tail gas passes through the cloth bag from the outside to the inside of the cloth bag and is discharged from a funnel pipe at the upper end, in the process, the particulate matters in the hydrochloric acid tail gas are blocked at the outer side of the cloth bag, meanwhile, the water pump sprays the alkali liquor in the absorption liquid tank into the funnel pipe through the nozzle of the first water pipe, absorb hydrochloric acid tail gas, tail gas after the one-level absorption is discharged into second grade absorption tower, passes through second water pipe to sump pit with the alkali lye in the absorption liquid jar through the water pump, from the shower nozzle blowout, the cooperation is packed and is carried out the secondary absorption, whole process filters, absorbs the resorption, and the treatment effect is better, is difficult for remaining the granule.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a secondary absorption system of a hydrochloric acid tower for chemical synthetic materials, which comprises a heat exchange pipe, a buffer tank, a primary absorption tower, a secondary absorption tower and an absorption liquid tank, the heat exchange tube is provided with a hydrochloric acid gas inlet, the output end of the heat exchange tube is communicated with the buffer tank, the output end of the buffer tank is communicated with the air inlet end below the left side of the primary absorption tower, a clapboard is arranged above the inner part of the primary absorption tower, and the lower end of the first-stage absorption tower is provided with a drainage bin, a cloth bag is communicated between the partition board and the drainage bin, a funnel pipe penetrating through the partition plate is arranged above the cloth bag, the right side of the primary absorption tower at the position above the partition plate is an outlet end, the outlet end of the water collecting tank is communicated with the air inlet end below the left side of the secondary absorption tower through a guide pipe, a water collecting bin is arranged above the interior of the secondary absorption tower, a spray head is arranged below the water collecting bin, and filler is arranged at the middle end of the interior of the secondary absorption tower;
absorption alkali liquor is equipped with in the absorption fluid reservoir, and the intercommunication has the water pump on the absorption fluid reservoir, the water pump is equipped with about two sets of, the right side the output intercommunication of water pump has first water pipe, and the left end of first water pipe extends to the inside top of one-level absorption tower, the left end in the first water pipe outside is equipped with the nozzle, and nozzle intercommunication funnel pipe, and left the output intercommunication of water pump has the second water pipe, and the output and the sump collection storehouse intercommunication of second water pipe.
The further improvement is that: the utility model discloses a hydrochloric acid concentration sensor, including buffer tank, one-level absorption tower, second grade absorption tower, inlet end, outlet duct, tee bend, circulating pipe, the intercommunication has communicating pipe between the inlet end of output and the one-level absorption tower left side below of buffer tank, the upper end of second grade absorption tower is equipped with the outlet duct, and the inside of outlet duct is equipped with hydrochloric acid concentration sensor, the intercommunication has the tee bend on the outlet duct, and tee bend left end output intercommunication has the circulating pipe, the output and the communicating pipe intercommunication of circulating pipe.
The further improvement lies in that: and a first electromagnetic valve and a second electromagnetic valve are respectively arranged at the left output end and the right output end of the tee joint.
The further improvement lies in that: the right side of the drainage bin is communicated with a first liquid guide pipe, the lower end of the secondary absorption tower is communicated with a second liquid guide pipe, and the output ends of the first liquid guide pipe and the second liquid guide pipe are both communicated with an absorption liquid tank.
The further improvement lies in that: the inside of absorption fluid reservoir is equipped with the filter screen, and has run through the cooling tube below inside the absorption fluid reservoir, the cooling tube intercommunication heat transfer liquid.
The further improvement lies in that: the inside of heat exchange tube is equipped with the fin pipe, the fin pipe is used for flowing through hydrochloric acid gas, the top of heat exchange tube one side and the below of opposite side are equipped with inlet and liquid outlet respectively, and inlet and liquid outlet are used for circulating heat transfer liquid to the inside of heat exchange tube.
The further improvement lies in that: the inside intermediate position department of buffer tank is equipped with the median septum, and the below of median septum leaves the space with the inside bottom of buffer tank, the left buffer tank top of median septum is the input, and the buffer tank top on median septum right side is the output, the left side of the inside left side of buffer tank and the left side of median septum all is equipped with the side shield, and the side shield is equipped with the multiunit of crisscross setting.
The further improvement lies in that: the right side of one-level absorption tower is equipped with the motor, and the output of motor is equipped with the pivot, the pivot extends to the inside of one-level absorption tower through sealed bearing, be equipped with in the pivot and tremble the ring, and tremble the ring cover in the outside of sack.
The invention has the beneficial effects that:
1. hydrochloric acid tail gas is fed through a heat exchange pipe, is buffered by a buffer tank and then is discharged into a primary absorption tower, the hydrochloric acid tail gas penetrates from the outside of a cloth bag to the inside of the cloth bag in the primary absorption tower and then is discharged from a funnel pipe at the upper end, particulate matters in the hydrochloric acid tail gas are blocked at the outer side of the cloth bag in the process, meanwhile, alkali liquor in an absorption liquid tank is sprayed into the funnel pipe through a nozzle of a first water pipe by a water pump to absorb the hydrochloric acid tail gas, the tail gas after primary absorption is discharged into a secondary absorption tower, the alkali liquor in the absorption liquid tank is sprayed out from a spray head through a water pump to be matched with a filler to carry out secondary absorption, and the whole process is filtered, absorbed and re-absorbed, so that the treatment effect is better, and particles are not easy to remain.
2. According to the invention, the hydrochloric acid concentration of the discharged gas is identified at the gas outlet pipe through the hydrochloric acid concentration sensor, the second electromagnetic valve is opened to discharge when the discharged gas reaches the standard, the second electromagnetic valve is closed when the discharged gas does not reach the standard, the first electromagnetic valve is opened, the gas is discharged into the communicating pipe from the circulating pipe and enters the primary absorption tower again to be treated, the treatment effect is ensured, and pollution is avoided.
3. The heat exchange liquid flows to the inside of the heat exchange tube through the liquid inlet and the liquid outlet, the hydrochloric acid gas flows through the fin tube, the heat energy of the hydrochloric acid gas is convenient to collect, the heat exchange liquid is communicated through the cooling tube and penetrates through the inside of the absorption liquid tank, the heat energy generated after the hydrochloric acid gas is treated by the alkali liquor is convenient to collect, and the heat energy is convenient to recycle.
4. When the dust removing device is not used, after the cloth bag is dried, the motor drives the rotating shaft to rotate back and forth, so that the shaking ring can be driven to shake the cloth bag, and dust particles filtered outside the cloth bag can be conveniently shaken.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the inside of a primary absorption column of the present invention;
FIG. 3 is a schematic view of the structure of the outlet pipe of the present invention;
FIG. 4 is a schematic view of the interior of the surge tank of the present invention.
Wherein: 1. a heat exchange pipe; 2. a buffer tank; 3. a first-stage absorption tower; 4. a secondary absorption tower; 5. an absorption liquid tank; 6. a partition plate; 7. a drainage bin; 8. a cloth bag; 9. a funnel tube; 10. a water collecting bin; 11. a spray head; 12. a filler; 13. a water pump; 14. a first water pipe; 15. a nozzle; 16. a second water pipe; 17. a communicating pipe; 18. an air outlet pipe; 19. a hydrochloric acid concentration sensor; 20. a tee joint; 21. a circulation pipe; 22. a first solenoid valve; 23. a second solenoid valve; 24. a first catheter; 25. a second catheter; 26. filtering with a screen; 27. a cooling tube; 28. a finned tube; 29. a liquid inlet; 30. a liquid outlet; 31. a middle partition plate; 32. a side dam; 33. a motor; 34. a rotating shaft; 35. and (5) shaking the ring.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to the figures 1, 2, 3 and 4, the embodiment provides a secondary absorption system of a hydrochloric acid tower for chemical synthetic materials, which comprises a heat exchange tube 1, a buffer tank 2, a primary absorption tower 3, a secondary absorption tower 4 and an absorption liquid tank 5, wherein a hydrochloric acid gas inlet is arranged on the heat exchange tube 1, the output end of the heat exchange tube 1 is communicated with the buffer tank 2, the output end of the buffer tank 2 is communicated with the air inlet end below the left side of the primary absorption tower 3, a partition plate 6 is arranged above the inside of the primary absorption tower 3, a water discharge bin 7 is arranged at the lower end of the primary absorption tower 3, a cloth bag 8 is communicated between the partition plate 6 and the water discharge bin 7, a funnel tube 9 penetrating through the partition plate 6 is arranged above the cloth bag 8, the right side of the primary absorption tower 3 at the position above the partition plate 6 is an outlet end, and the outlet end is communicated with the air inlet end below the left side of the secondary absorption tower 4 through a guide tube, a water collecting bin 10 is arranged above the interior of the secondary absorption tower 4, a spray head 11 is arranged below the water collecting bin 10, and a filler 12 is arranged at the middle end of the interior of the secondary absorption tower 4;
absorption alkali liquor is filled in the absorption liquid tank 5, a water pump 13 is communicated on the absorption liquid tank 5, the water pump 13 is provided with a left group and a right group, the output end of the water pump 13 on the right side is communicated with a first water pipe 14, the left end of the first water pipe 14 extends to the upper part inside the first-stage absorption tower 3, a nozzle 15 is arranged at the left end outside the first water pipe 14, the nozzle 15 is communicated with a funnel pipe 9, the output end of the water pump 13 on the left side is communicated with a second water pipe 16, and the output end of the second water pipe 16 is communicated with a water collecting bin 10. During the use, hydrochloric acid tail gas enters through the heat exchange tube 1, the hydrochloric acid tail gas is discharged into the first-stage absorption tower 3 after being buffered by the buffer tank 2, in the first-stage absorption tower 3, the hydrochloric acid tail gas penetrates into the cloth bag 8 from the outside of the cloth bag 8 and is discharged from the funnel pipe 9 at the upper end, particulate matters in the hydrochloric acid tail gas are blocked outside the cloth bag 8 in the process, meanwhile, the water pump 13 sprays alkali liquor in the absorption liquid tank 5 into the funnel pipe 9 through the nozzle 15 of the first water pipe 14 to absorb the hydrochloric acid tail gas, the tail gas after being absorbed by the first stage is discharged into the second-stage absorption tower 4, the alkali liquor in the absorption liquid tank 5 passes through the second water pipe 16 to the water collecting bin 10 through the water pump 13, the alkali liquor is sprayed out of the spray head 11 and is matched with the filler 12 to carry out secondary absorption.
The intercommunication has communicating pipe 17 between the output of buffer tank 2 and the inlet end of one-level absorption tower 3 left side below, the upper end of second grade absorption tower 4 is equipped with outlet duct 18, and the inside of outlet duct 18 is equipped with hydrochloric acid concentration sensor 19, the intercommunication has tee bend 20 on the outlet duct 18, and tee bend 20's left end output intercommunication has circulating pipe 21, the output and the communicating pipe 17 intercommunication of circulating pipe 21.
The left and right output ends of the tee 20 are respectively provided with a first electromagnetic valve 22 and a second electromagnetic valve 23. When the device is used, the hydrochloric acid concentration of the exhaust gas is identified at the gas outlet pipe 18 through the hydrochloric acid concentration sensor 19, the second electromagnetic valve 23 is opened to discharge when the exhaust gas reaches the standard, the second electromagnetic valve 23 is closed when the exhaust gas does not reach the standard, the first electromagnetic valve 22 is opened, the gas is discharged into the communicating pipe 17 from the circulating pipe 21, and enters the primary absorption tower 3 again to be treated, so that the treatment effect is ensured.
The right side of the drainage bin 7 is communicated with a first liquid guide pipe 24, the lower end of the secondary absorption tower 4 is communicated with a second liquid guide pipe 25, and the output ends of the first liquid guide pipe 24 and the second liquid guide pipe 25 are both communicated with the absorption liquid tank 5. The lye after the hydrochloric acid treatment flows back to the absorption liquid tank 5 from the first liquid guide pipe 24 and the second liquid guide pipe 25.
The inside of absorption fluid reservoir 5 is equipped with filter screen 26, filters alkali lye, guarantees the cleanliness factor of the absorptive alkali lye of water pump, and has run through cooling tube 27 below inside the absorption fluid reservoir 5, cooling tube 27 intercommunication heat transfer liquid. The cooling pipe 27 is communicated with the heat exchange liquid and penetrates through the interior of the absorption liquid tank 5, so that heat energy generated after hydrochloric acid gas is treated by alkali liquor can be collected conveniently, and the heat energy can be recycled conveniently.
The inside of heat exchange tube 1 is equipped with fin pipe 28, fin pipe 28 is used for flowing through hydrochloric acid gas, the top of heat exchange tube 1 one side and the below of opposite side are equipped with inlet 29 and liquid outlet 30 respectively, and inlet 29 and liquid outlet 30 are used for circulating heat transfer liquid to the inside of heat exchange tube 1. The heat exchange liquid flows through the liquid inlet 29 and the liquid outlet 30 to the inside of the heat exchange tube 1, and the hydrochloric acid gas flows through the fin tube 28, so that the heat energy of the hydrochloric acid gas is conveniently collected.
The inside intermediate position department of buffer tank 2 is equipped with median septum 31, and the below of median septum 31 leaves the space with the inside bottom of buffer tank 2, 2 tops of the left buffer tank of median septum 31 are the input, and 2 tops of the buffer tank on median septum 31 right side are the output, the left side of the inside left side of buffer tank 2 and the left side of median septum 31 all are equipped with side shield 32, and side shield 32 is equipped with the multiunit of crisscross setting. Hydrochloric acid gas passes between the sets of side dams 32 arranged in a staggered arrangement and is buffered.
Example two
According to the figures 1 and 2, the embodiment provides a secondary absorption system of a hydrochloric acid tower for chemical synthesis materials, which comprises a heat exchange tube 1, a buffer tank 2, a primary absorption tower 3, a secondary absorption tower 4 and an absorption liquid tank 5, wherein a hydrochloric acid gas inlet is arranged on the heat exchange tube 1, an output end of the heat exchange tube 1 is communicated with the buffer tank 2, an output end of the buffer tank 2 is communicated with a gas inlet end below the left side of the primary absorption tower 3, a partition plate 6 is arranged above the inside of the primary absorption tower 3, a water discharge bin 7 is arranged at the lower end of the primary absorption tower 3, a cloth bag 8 is communicated between the partition plate 6 and the water discharge bin 7, a funnel tube 9 penetrating through the partition plate 6 is arranged above the cloth bag 8, an outlet end is arranged at the right side of the primary absorption tower 3 above the partition plate 6 and is communicated with the gas inlet end below the left side of the secondary absorption tower 4 through a conduit, a water collection bin 10 is arranged above the inside of the secondary absorption tower 4, a spray head 11 is arranged below the water collecting bin 10, and a filler 12 is arranged at the middle end inside the secondary absorption tower 4;
absorption alkali liquor is filled in the absorption liquid tank 5, a water pump 13 is communicated on the absorption liquid tank 5, the water pump 13 is provided with a left group and a right group, the output end of the water pump 13 on the right side is communicated with a first water pipe 14, the left end of the first water pipe 14 extends to the upper part inside the first-stage absorption tower 3, a nozzle 15 is arranged at the left end outside the first water pipe 14, the nozzle 15 is communicated with a funnel pipe 9, the output end of the water pump 13 on the left side is communicated with a second water pipe 16, and the output end of the second water pipe 16 is communicated with a water collecting bin 10. During the use, hydrochloric acid tail gas enters through the heat exchange tube 1, the hydrochloric acid tail gas is discharged into the first-stage absorption tower 3 after being buffered by the buffer tank 2, in the first-stage absorption tower 3, the hydrochloric acid tail gas penetrates into the cloth bag 8 from the outside of the cloth bag 8 and is discharged from the funnel pipe 9 at the upper end, particulate matters in the hydrochloric acid tail gas are blocked outside the cloth bag 8 in the process, meanwhile, the water pump 13 sprays alkali liquor in the absorption liquid tank 5 into the funnel pipe 9 through the nozzle 15 of the first water pipe 14 to absorb the hydrochloric acid tail gas, the tail gas after being absorbed by the first stage is discharged into the second-stage absorption tower 4, the alkali liquor in the absorption liquid tank 5 passes through the second water pipe 16 to the water collecting bin 10 through the water pump 13, the alkali liquor is sprayed out of the spray head 11 and is matched with the filler 12 to carry out secondary absorption.
The right side of one-level absorption tower 3 is equipped with motor 33, and the output of motor 33 is equipped with pivot 34, pivot 34 extends to the inside of one-level absorption tower 3 through sealed bearing, be equipped with on the pivot 34 and tremble ring 35, and tremble ring 35 cover in the outside of sack 8. When the shaking device is not used, after the cloth bag 8 is dried, the motor 33 drives the rotating shaft 34 to rotate back and forth, and then the shaking ring 35 can be driven to shake the cloth bag 8, so that dust particles filtered out of the cloth bag 8 can be conveniently shaken off.
The hydrochloric acid tail gas enters the secondary absorption system of the hydrochloric acid tower for the chemical synthetic material through a heat exchange tube 1, the hydrochloric acid tail gas is buffered by a buffer tank 2 and then discharged into a primary absorption tower 3, in the primary absorption tower 3, the hydrochloric acid tail gas penetrates into a cloth bag 8 from the outside of the cloth bag 8 and then is discharged from a funnel tube 9 at the upper end, in the process, particulate matters in the hydrochloric acid tail gas are blocked at the outer side of the cloth bag 8, meanwhile, a water pump 13 sprays alkali liquor in an absorption liquid tank 5 into the funnel tube 9 through a nozzle 15 of a first water tube 14 to absorb the hydrochloric acid tail gas, the tail gas after primary absorption is discharged into a secondary absorption tower 4, the alkali liquor in the absorption liquid tank 5 is sprayed out from a spray head 11 through a second water tube 16 to a water collecting bin 10 by a water pump 13 and is matched with a filler 12 to carry out secondary absorption, the whole process is filtered, absorbed and reabsorbed, the treatment effect is better, particles are not easy to remain, and the hydrochloric acid concentration of the discharged gas is identified at an air outlet tube 18 by a hydrochloric acid concentration sensor 19, when the standard is reached, the second electromagnetic valve 23 is opened to discharge, when the standard is not reached, the second electromagnetic valve 23 is closed, the first electromagnetic valve 22 is opened, gas is discharged into the communicating pipe 17 from the circulating pipe 21, the gas enters the first-stage absorption tower 3 again to be processed, the processing effect is ensured, pollution is avoided, meanwhile, the heat exchange liquid flows to the inside of the heat exchange pipe 1 through the liquid inlet 29 and the liquid outlet 30, hydrochloric acid gas flows through the fin pipe 28, the heat energy of the hydrochloric acid gas is convenient to collect, the heat exchange liquid is communicated through the cooling pipe 27 and penetrates through the inside of the absorption liquid tank 5, the heat energy generated after the hydrochloric acid gas is processed by alkali liquor is convenient to collect, the heat energy is convenient to recycle, in addition, when the bag is not used, after the bag 8 is dried, the rotating shaft 34 is driven to rotate back and forth through the motor 33, the shaking ring 35 can be driven to shake the bag 8, and dust particles filtered out of the bag 8 are convenient to shake off.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a chemical industry synthetic material hydrochloric acid water tower second grade absorption system, includes heat exchange tube (1), buffer tank (2), one-level absorption tower (3), second grade absorption tower (4) and absorption fluid reservoir (5), its characterized in that: the heat exchange tube (1) is provided with a hydrochloric acid gas inlet, the output end of the heat exchange tube (1) is communicated with the buffer tank (2), the output end of the buffer tank (2) is communicated with the air inlet end below the left side of the primary absorption tower (3), a partition plate (6) is arranged above the primary absorption tower (3), a drainage bin (7) is arranged at the lower end of the primary absorption tower (3), a cloth bag (8) is communicated between the partition plate (6) and the drainage bin (7), a funnel tube (9) penetrating through the partition plate (6) is arranged above the cloth bag (8), the right side of the primary absorption tower (3) at the position above the partition plate (6) is an outlet end, the outlet end is communicated with the air inlet end below the left side of the secondary absorption tower (4) through a guide tube, a water collection bin (10) is arranged above the secondary absorption tower (4), and a spray head (11) is arranged below the water collection bin (10), the middle end in the secondary absorption tower (4) is provided with a filler (12);
absorption alkali liquor is equipped with in absorption fluid reservoir (5), and the intercommunication has water pump (13) on absorption fluid reservoir (5), two sets of about water pump (13) are equipped with, and the right side the output intercommunication of water pump (13) has first water pipe (14), and the left end of first water pipe (14) extends to the inside top of one-level absorption tower (3), the left end in first water pipe (14) outside is equipped with nozzle (15), and nozzle (15) intercommunication funnel pipe (9), and is left the output intercommunication of water pump (13) has second water pipe (16), and the output and the sump collection storehouse (10) intercommunication of second water pipe (16).
2. The secondary absorption system of the hydrochloric acid tower for the chemical synthesis material according to claim 1, characterized in that: the utility model discloses a hydrochloric acid concentration sensor, including buffer tank (2), one-level absorption tower (3), the output of buffer tank (2) and the intercommunication between the inlet end of one-level absorption tower (3) left side below have communicating pipe (17), the upper end of second grade absorption tower (4) is equipped with outlet duct (18), and the inside of outlet duct (18) is equipped with hydrochloric acid concentration sensor (19), the intercommunication has tee bend (20) on outlet duct (18), and the left end output intercommunication of tee bend (20) has circulating pipe (21), the output and communicating pipe (17) the intercommunication of circulating pipe (21).
3. The secondary absorption system of the hydrochloric acid tower for the chemical synthesis material according to claim 1, characterized in that: the left output end and the right output end of the tee joint (20) are respectively provided with a first electromagnetic valve (22) and a second electromagnetic valve (23).
4. The secondary absorption system of the hydrochloric acid tower for the chemical synthesis material according to claim 1, characterized in that: the right side of the drainage bin (7) is communicated with a first liquid guide pipe (24), the lower end of the secondary absorption tower (4) is communicated with a second liquid guide pipe (25), and the output ends of the first liquid guide pipe (24) and the second liquid guide pipe (25) are communicated with an absorption liquid tank (5).
5. The secondary absorption system of the hydrochloric acid tower for the chemical synthesis material according to claim 1, characterized in that: the inside of absorption fluid reservoir (5) is equipped with filter screen (26), and has run through cooling tube (27) below inside absorption fluid reservoir (5), cooling tube (27) intercommunication heat-transfer liquid.
6. The secondary absorption system of the hydrochloric acid tower for the chemical synthesis material according to claim 1, characterized in that: the inside of heat exchange tube (1) is equipped with finned tube (28), finned tube (28) are used for flowing through hydrochloric acid gas, the top of heat exchange tube (1) one side and the below of opposite side are equipped with inlet (29) and liquid outlet (30) respectively, and inlet (29) and liquid outlet (30) are used for circulating the inside of heat transfer liquid to heat exchange tube (1).
7. The secondary absorption system of the hydrochloric acid tower for the chemical synthesis material according to claim 1, characterized in that: the utility model discloses a buffer tank, including buffer tank (2), the inside intermediate position department of buffer tank (2) is equipped with median septum (31), and the below of median septum (31) leaves the space with the inside bottom of buffer tank (2), the left buffer tank (2) top of median septum (31) is the input, and buffer tank (2) top on median septum (31) right side is the output, the left side of buffer tank (2) inside and the left side of median septum (31) all are equipped with side shield (32), and side shield (32) are equipped with the multiunit of crisscross setting.
8. The secondary absorption system of a hydrochloric acid tower for chemical synthesis material as claimed in any one of claims 1 to 7, wherein: the right side of one-level absorption tower (3) is equipped with motor (33), and the output of motor (33) is equipped with pivot (34), pivot (34) extend to the inside of one-level absorption tower (3) through sealed bearing, be equipped with on pivot (34) and tremble ring (35), and tremble ring (35) cover in the outside of sack (8).
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| CN202210121209.8A CN114452805B (en) | 2022-02-09 | 2022-02-09 | Hydrochloric acid water tower secondary absorption system for chemical synthesis material |
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| CN202210121209.8A CN114452805B (en) | 2022-02-09 | 2022-02-09 | Hydrochloric acid water tower secondary absorption system for chemical synthesis material |
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| CN114452805B CN114452805B (en) | 2024-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119139898A (en) * | 2024-09-24 | 2024-12-17 | 优利德(湖北)新材料有限公司 | Accident chlorine alkali liquor circulation absorption system and method |
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| CN114452805B (en) | 2024-07-09 |
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