CN206597417U - A kind of acid regeneration preconcentrator - Google Patents

A kind of acid regeneration preconcentrator Download PDF

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Publication number
CN206597417U
CN206597417U CN201720163322.7U CN201720163322U CN206597417U CN 206597417 U CN206597417 U CN 206597417U CN 201720163322 U CN201720163322 U CN 201720163322U CN 206597417 U CN206597417 U CN 206597417U
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China
Prior art keywords
gas
preconcentrator
liquid
tower
demister
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Active
Application number
CN201720163322.7U
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Chinese (zh)
Inventor
孟剑
洪成峰
孟祥全
张鹤
刘坤
李超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anshan Chuangxin environmental protection Polytron Technologies Inc
Original Assignee
Anshan Innovation Spent Acid Silica Removal Reengineer Co Ltd
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Priority to CN201720163322.7U priority Critical patent/CN206597417U/en
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Abstract

The utility model, which is related to be sequentially provided with the tower body after bubble dust collector and demister, demister along gas flow direction in a kind of acid regeneration preconcentrator, including preconcentrator, the gas-liquid separation section of the preconcentrator, sets gas vent.The utility model increases bubble dust collector and demister in existing preconcentrator, improves the ability of preconcentrator removing iron oxide red dust and droplet, prevents the situation that pickle liquor regenerating unit emits red cigarette from occurring, with meet the requirement of environmental protection.

Description

A kind of acid regeneration preconcentrator
Technical field
The utility model is related to steel cold-rolling pickling spent solution regeneration technical field, more particularly to a kind of acid regeneration pre-concentration Device.
Background technology
At present, the conventional equipment of the pickle liquor regeneration of steel industry cold-rolled process mainly includes hydrolysis roaster, rotation Wind separator, preconcentrator, absorption tower and scrubbing tower, for by the material high temperature such as the frerrous chloride in pickle liquor, iron chloride Decompose, obtain hydrochloric acid solution return system and reuse;The process characteristic of the device is that flow is succinct, Processes and apparatus is ripe, It is stable.But, often occur that chimney emits the situation of red cigarette when carrying out washings switching washing in the plant running, it is main It is that iron oxide red dust concentration is too high (more than 30 milligrams/m in flue gas to want reason3).As China marks to industrial emissions environmental protection Accurate raising, the situation to old red cigarette must be administered using measure;Mode most simple and easy to apply is exactly that flue gas utilization is fresh Hydrochloric acid solution enters back into preconcentrator after returning to washing, but uses fresh hydrochloric acid solution as washing medium, and cleaning solution finally will Hydrolysis roaster roasting is returned to, the operation energy consumption of device will necessarily be increased.Accordingly, it would be desirable to take more feasible measure to prevent Emit the situation of red cigarette.
The content of the invention
The utility model provides a kind of acid regeneration preconcentrator, increases bubble dust collector in existing preconcentrator and removes Day with fog, improves the ability of preconcentrator removing iron oxide red dust and droplet, prevents pickle liquor regenerating unit from emitting red cigarette Situation occurs, with meet the requirement of environmental protection.
In order to achieve the above object, the utility model is realized using following technical scheme:
Flowed in a kind of acid regeneration preconcentrator, including preconcentrator, the gas-liquid separation section of the preconcentrator along gas Direction is sequentially provided with the tower body after bubble dust collector and demister, demister and sets gas vent.
The gas-liquid separation section of the preconcentrator is in a single tower body, and the expanding reach bottom of preconcentrator sets gas Liquid mixing section, gas-liquid separation section be arranged in parallel with gas-liquid mixed section;Connected between gas-liquid mixed section and gas-liquid separation section by gas Adapter and the connection of solution connecting tube, solution connecting tube are located at the lower section of gas connection pipe;The tower body bottom of gas-liquid separation section sets liquid Body is exported, and top sets in the tower body set in the middle part of gas vent, tower body below bubble dust collector, gas vent and sets demister.
The bubble dust collector by along gas-liquid separation section tower body cross-sectional direction set gradually seal pot, dedusting sieve Plate, down-flow plate and receipts liquid disk composition, wherein down-flow plate is set straight down, receives the lower section that liquid disk is arranged on down-flow plate;Seal pot Hydrochloric acid liquid inlet is set on the tower body of side, hydrochloric acid liquid outlet is set on the tower body for receiving liquid disk side.
The demister is acidproof mesh mist eliminator.
At the top of the down-flow plate overflow also is provided with higher than dedusting sieve plate between seal pot and dedusting sieve plate as downflow weir Weir.
Compared with prior art, the beneficial effects of the utility model are:
1) ability of preconcentrator removing iron oxide red dust and droplet is improved, prevents pickle liquor regenerating unit from emitting red The situation of cigarette occurs, with meet the requirement of environmental protection;
2) simple in construction, small investment, instant effect carries out upgrading available for existing equipment.
Brief description of the drawings
Fig. 1 is a kind of structural representation of acid regeneration preconcentrator described in the utility model.
In figure:1. the gas-liquid mixed of 6. expanding reach of high-temperature flue gas entry 2. spray gun, 3. jet segment, 4. trunnion, 5. grid 7. The hydrochloric acid liquid inlet of 12. demister of section 8. gas connection pipe, 9. solution connecting tube, 10. base, 11. gas vent 13. 14. the hydrochloric acid liquid outlet 18. of 15. dedusting sieve plate of seal pot, 16. down-flow plate 17. receives the gas-liquid of 19. liquid outlet of liquid disk 20. Segregation section
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of acid regeneration preconcentrator described in the utility model, including preconcentrator, the preconcentrator Gas-liquid separation section 20 in be sequentially provided with along gas flow direction on the tower body after bubble dust collector and demister 12, demister 12 If gas vent 11.
The gas-liquid separation section 20 of the preconcentrator is in a single tower body, the bottom of expanding reach 6 of preconcentrator If gas-liquid mixed section 7, gas-liquid separation section 20 be arranged in parallel with gas-liquid mixed section 7;Between gas-liquid mixed section 7 and gas-liquid separation section 20 Connected by gas connection pipe 8 and solution connecting tube 9, solution connecting tube 9 is located at the lower section of gas connection pipe 8;Gas-liquid separation section 20 tower body bottom sets liquid outlet 19, and top sets and bubble dust collector is set in the middle part of gas vent 11, tower body, the lower section of gas vent 11 Tower body in set demister 12.
The bubble dust collector by along gas-liquid separation section 20 tower body cross-sectional direction set gradually seal pot 14, dedusting Sieve plate 15, down-flow plate 16 and receipts liquid disk 18 are constituted, and wherein down-flow plate 16 is set straight down, are received liquid disk 18 and are arranged on down-flow plate 16 Lower section;Hydrochloric acid liquid inlet 13 is set on the tower body of the side of seal pot 14, hydrochloric acid liquid discharge is set on the tower body for receiving the side of liquid disk 18 Mouth 17.
The demister 12 is acidproof mesh mist eliminator.
The top of down-flow plate 16, as downflow weir, is also set higher than dedusting sieve plate 15 between seal pot 14 and dedusting sieve plate 15 There is downflow weir.
A kind of acid regeneration preconcentrator described in the utility model is integrated in tower on the basis of existing conventional preconcentrator Bubble dust collector and demister 12, realize the Optimal improvements of equipment, improve the energy of preconcentrator removing dust and droplet Power, improves the operation stability of preconcentrator.
As shown in figure 1, gas-liquid of the acid regeneration preconcentrator by jet segment 3, expanding reach 6, bottom located at main tower top Gas-liquid separation section 20 in mixing section 7 and side tower body is constituted;Wherein jet segment 3 and expanding reach 6 are conventional structure, main tower Top sets high-temperature flue gas entry 1, and jet segment 3 sets multiple spray guns 2, and jet segment 3 sets trunnion 4 and lattice with the part that expanding reach 6 connects Grid 5, bottom sets base 10.
The bottom of expanding reach 6 is directly connected to gas-liquid separation section 20 in conventional preconcentrator, and the utility model may be provided at this In gas-liquid separation section 20, it can also will be enlarged by the bottom of section 6 and be set to gas-liquid mixed section 7, gas-liquid separation section 20 is located at another tower body It is interior.It will be enlarged by the bottom of section 6 and be set to gas-liquid mixed section 7 being conducive to being sufficiently mixed for pickle and high-temperature flue gas, improve pickling efficiency. Liqiud-gas mixing device, such as mixing drum or mixing blower fan can be set in gas-liquid mixed section 7.
In the utility model, except conventional arrangement of gas-liquid separation device in gas-liquid separation 20 tower bodies of section, flowed along gas Direction sets bubble dust collector and demister 12 in addition in the downstream (20 tower body tops of gas-liquid separation section) of gas-liquid separation device, point Gas from after is sent out from tower body top gas outlet 11, and liquid is discharged from tower body bottom liquid outlet 19.
In bubble dust collector, fresh hydrochloric acid solution enters seal pot 14 from hydrochloric acid liquid inlet 13, flows through seal pot 14 Liquid is distributed on the upper surface of dedusting sieve plate 15 and forms hydrochloric acid solution layer, anti-with iron oxide by hydrochloric acid when flue gas passes through hydrochloric acid liquid layer Iron chloride should be generated, so that iron oxide red dust be removed.Fresh hydrochloric acid solution is flow to after absorbing iron oxide by down-flow plate 16 Receive in liquid disk 18, fresh hydrochloric acid solution storage tank is flow to from hydrochloric acid liquid outlet 17.Above bubble dust collector, gas-liquid separation section 20 Tower body at the top of set acidproof mesh mist eliminator, will be removed through the droplet remained in flue gas after bubble dust collector.
In order to ensure dust removing effects, the hydrochloric acid liquid inlet 13 and hydrochloric acid liquid outlet 17 on gas-liquid separation 20 tower bodies of section are logical Piping connects fresh hydrochloric acid solution storage tank formation circulation loop respectively, it is ensured that fresh hydrochloric acid solution continuously enters bubble dust collector Interior, the both sides of dedusting sieve plate 15 set downflow weir respectively, its surface is kept certain liquid level.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality New technical scheme and its design is subject to equivalent substitution or change, should all cover within protection domain of the present utility model.

Claims (5)

1. a kind of acid regeneration preconcentrator, including preconcentrator, it is characterised in that edge in the gas-liquid separation section of the preconcentrator Gas flow direction is sequentially provided with the tower body after bubble dust collector and demister, demister and sets gas vent.
2. a kind of acid regeneration preconcentrator according to claim 1, it is characterised in that the gas-liquid separation of the preconcentrator Section is in a single tower body, and the expanding reach bottom of preconcentrator sets gas-liquid mixed section, gas-liquid separation section and gas-liquid mixed Section be arranged in parallel;Connected between gas-liquid mixed section and gas-liquid separation section by gas connection pipe and solution connecting tube, solution connection Pipe is positioned at the lower section of gas connection pipe;The tower body bottom of gas-liquid separation section sets liquid outlet, and top is set in the middle part of gas vent, tower body If bubble dust collector, demister is set in the tower body below gas vent.
3. a kind of acid regeneration preconcentrator according to claim 1 or 2, it is characterised in that the bubble dust collector is by edge Seal pot, dedusting sieve plate, down-flow plate and receipts liquid disk composition that the tower body cross-sectional direction of gas-liquid separation section is set gradually, wherein dropping Liquid plate is set straight down, receives the lower section that liquid disk is arranged on down-flow plate;Hydrochloric acid liquid inlet is set on the tower body of seal pot side, is received Hydrochloric acid liquid outlet is set on the tower body of liquid disk side.
4. a kind of acid regeneration preconcentrator according to claim 1 or 2, it is characterised in that the demister is acidproof silk Net demister.
5. a kind of acid regeneration preconcentrator according to claim 3, it is characterised in that be higher than dedusting at the top of the down-flow plate Sieve plate also is provided with downflow weir as downflow weir between seal pot and dedusting sieve plate.
CN201720163322.7U 2017-02-23 2017-02-23 A kind of acid regeneration preconcentrator Active CN206597417U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720163322.7U CN206597417U (en) 2017-02-23 2017-02-23 A kind of acid regeneration preconcentrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720163322.7U CN206597417U (en) 2017-02-23 2017-02-23 A kind of acid regeneration preconcentrator

Publications (1)

Publication Number Publication Date
CN206597417U true CN206597417U (en) 2017-10-31

Family

ID=60146599

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720163322.7U Active CN206597417U (en) 2017-02-23 2017-02-23 A kind of acid regeneration preconcentrator

Country Status (1)

Country Link
CN (1) CN206597417U (en)

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CP01 Change in the name or title of a patent holder

Address after: 114000 6 Yongkang street, Tiexi Economic Development Zone, Anshan, Liaoning.

Patentee after: Anshan Chuangxin environmental protection Polytron Technologies Inc

Address before: 114000 6 Yongkang street, Tiexi Economic Development Zone, Anshan, Liaoning.

Patentee before: Anshan innovation spent acid silica removal reengineer Co., Ltd