CN103521037A - Water-saving double-water seal hydrogen chloride gas absorption device - Google Patents
Water-saving double-water seal hydrogen chloride gas absorption device Download PDFInfo
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- CN103521037A CN103521037A CN201210229115.9A CN201210229115A CN103521037A CN 103521037 A CN103521037 A CN 103521037A CN 201210229115 A CN201210229115 A CN 201210229115A CN 103521037 A CN103521037 A CN 103521037A
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Abstract
The invention discloses a water-saving double-water seal hydrogen chloride gas absorption device, belongs to the field of a sealed storage device of liquid hydrogen chloride, and particularly relates to a hydrogen chloride gas absorption device. The hydrogen chloride gas absorption device comprises a box body (15) with a water seal in the internal part, an acid mist inlet (4), and a drain outlet (14), wherein the acid mist inlet is formed on the box body (15); the drain outlet (14) is formed at one side of the lower part of the box body (15). The water-saving double-water seal hydrogen chloride gas absorption device is characterized in that the internal part of the box body (15) is partitioned into upper and lower chambers; upper and lower layers of water seals are correspondingly formed; upper and lower water seal chambers are communicated through a guide duct (12) arranged outside the box body (15); a suction and exhaust opening (1), the acid mist inlet (4) and a sealed water inlet (5) are respectively formed at the top of the box body (15); the drain outlet (14) is arranged at the other side of the lower part of the box body (15). The water-saving double-water seal hydrogen chloride gas absorption device has the advantages of being thorough in absorption, large in absorption capacity, less in water consumption and the like; pollution and corrosion on surroundings caused by escape of an acid gas are effectively prevented.
Description
Technical field
Water-saving pair of hydrolock hydrogen chloride gas absorption plant, belongs to acid mist absorption equipment field, is specifically related to a kind of absorption plant of hydrogen chloride gas.
Background technology
In Water Treatment device, use hydrogen chloride cation regenerant exchanger resin, because of large usage quantity (15t/d), so there are certain reserves, the medicine of the power industry standard DL/T5068 of the People's Republic of China (PRC) " power plant chemistry designing technique rules " is stored and medicine machine piece of writing regulation: " bunkerage should not be less than two ... hydrochloric acid storagetank should adopt liquid level seal approach; exhaust outlet can be established acid-fume absorber, and to hydrochloric acid storagetank, outlet should be considered the measure that prevents that liquid level cladding material from being taken out of ".
The acid-fume absorber being provided by Japanese side is provided the hydrochloric acid storage system of olefin plant power houses, this design is used compressed air to be depressed into high-order acid tank by low level acid tank and is used, then use and unload sour pump lifting, and this acid-fume absorber capacity can not adapt to the acid mist amount of increase, unload while finishing at every turn, there will be a large amount of phenomenons of overflowing of acid mist with pressure, and the mode that adopts hydrochloric acid batch meter and high-order acid tank acid mist line to link together and jointly absorb, absorb water and enter neutralization pond adjustment PH, then row sea; This kind of processing method not only can not absorb acid mist completely, and wastes a large amount of fresh waters.Moreover because hydrochloric acid is strong polar molecule material, the hydrogen chloride gas of effusion has stronger corrosivity to peripheral equipment.For eliminating this hidden danger, the corresponding absorber capacity that has increased acid mist, has obtained effective containment in a short time though pollute and corrode, and the consumption of water also increases thereupon, has wasted a large amount of water resources.
The technology of existing reply acid mist (hydrogen chloride gas), for taking acid-fume absorber to collect, absorbs the high volatile volatile hydrogen chloride gas water of overflowing, and is mainly divided into air suspended type absorption and hydrolock absorption.Application number is 93245602.2 Chinese patent, and " acid-fume absorber " is to use mobile water hydrogen chloride gas to be absorbed in packing layer to not intermittent discharge of dilute hydrochloric acid solution, and water consumption is larger, and during answering pressure acid mist, water consumption more so, belongs to air suspended type absorption; Application number is 200920214574.3 Chinese patent, " small-sized practical acid mist absorbing device " is to use sealed cans just against the current that hydrogen chloride gas is absorbed into dilute hydrochloric acid solution in positive water sealed tank, and the air inlet demand while meeting storage tank discharging is sealed in use against the current, belong to water seal absorption, but before only limiting to reverse osmosis membrane, acid adding is used, and during air inlet (negative pressure), sealing fluid enters hydrochloric acid with air and easily pollutes, if sealing fluid is used alkali lye can cause concentration to decline, belong to not actual design; Application number is 201020654030.1 Chinese patent, " acid-fume absorber " is to use mobile water that hydrogen chloride gas is absorbed into dilute hydrochloric acid solution in water smoke layer, and same existence uninterruptedly discharged, and water consumption is larger, water consumption problem more so during answering pressure acid mist, belongs to air suspended type absorption; Application number is 201110215814.3 Chinese patent, " environment-friendly and energy-efficient hydrochloric acid acid mist collection absorption acid-making device ", to have taked to use Double-offset ring type filler to filter and the mode of positive water seal simultaneously, not only increased the use cost of filler, caused the complexity of system, still there is certain acid mist leakage problem, and need to waste a large amount of water resources equally.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, a kind of water-saving pair of hydrolock hydrogen chloride gas absorption plant thorough, absorptive capacity is large, water content consumption is few that absorb is provided.
The technical solution adopted for the present invention to solve the technical problems is: this water-saving pair of hydrolock hydrogen chloride gas absorption plant, comprise that inside is provided with the casing of water seal, the acid mist entrance of offering on casing, the sewage draining exit that lower box one side is offered, it is characterized in that: described box house is divided into upper and lower two chambers, the upper and lower two-layer water seal of corresponding formation, upper and lower two water tight compartments are connected by the mozzle of casing outer setting, casing top is respectively equipped with suction and exhaust ports, acid mist entrance and sealing water water inlet, casing middle and lower part one side is provided with overflow exhaust outlet, lower box opposite side is provided with sewage draining exit.Two hydrolock structures are set, by the separately independent absorption of the acid mist line of hydrochloric acid batch meter and high-order acid tank, have effectively guaranteed the completeness absorbing, prevent from revealing.
Described two water tight compartments are up and down respectively the negative water tight compartment on top and the positive water tight compartment of bottom, and negative water tight compartment and positive water tight compartment are the cavity that annular arranges, and the central through hole that center arranges by up/down perforation is connected.
Gap is left at the described top of negative water tight compartment inwall and the top of casing, and gap is left in the positive bottom of water seal chamber interior walls and the bottom of casing.
Described mozzle is one section of bend pipe that is arranged on casing outside, and upper end connects the high liquid level (HLL) of negative water tight compartment top, and lower end connects positive water tight compartment topmost.
It is outside that described overflow exhaust outlet is arranged on the casing of the high liquid level (HLL) of positive water tight compartment top.Make the discharge of gas more thorough, avoid acid mist to overflow.
Described suction and exhaust ports upper end UNICOM air, the liquid level bottom of negative water tight compartment is inserted in lower end.Make directly to enter in negative water tight compartment with the acid mist of pressure, overcome less negative pressure in negative water tight compartment.
Compared with prior art, the beneficial effect that the present invention has is:
1, simple in structure, reasonable in design, saving water source: be mainly used in the sealing of liquid hydrogen chloride storage container, use hydrostatics basic principle, adopt positive and negative dual layer water seal structure, substitute traditional acid-fume absorber that water is medium of take, thereby save a large amount of water resources, improve the recycling rate of waterused of water resource, effectively prevented pollution and the corrosion of overflowing surrounding enviroment are caused because of sour gas, and reduced corresponding recondition expense;
2, absorb thorough, stable: the acid mist in system is in the state of sealing always and carries, stopped thoroughly the sour gas that just enters atmosphere without absorbing, absorb thoroughly, provide against hidden trouble, and remain at-30mm of the pressure in closed system fluctuates between+120mm, stable equipment operation, safe.
Accompanying drawing explanation
Fig. 1 is structural front view schematic diagram of the present invention.
Fig. 2 is system connecting relation schematic diagram of the present invention.
Fig. 3 is pre-stage test workflow schematic diagram of the present invention.
Wherein: 1, suction and exhaust ports 2, negative water tight compartment 3, positive water tight compartment 4, acid mist entrance 5, sealing water water inlet 6, unload sour pump 7, high-order acid tank 8, hydrochloric acid metering valve 9, hydrochloric acid batch meter 10, acid mist pipe 11, two water seal acid-fume absorber 12, mozzle 13, overflow exhaust outlet 14, sewage draining exit 15, casing 16, sealing water inlet valve.
Fig. 1～3rd, most preferred embodiment of the present invention, below in conjunction with accompanying drawing 1～3, the present invention will be further described.
The specific embodiment
With reference to accompanying drawing 1～3: this water-saving pair of hydrolock hydrogen chloride gas absorption plant, comprise airtight casing 15, the acid mist entrance 4 of offering on casing 15, the sewage draining exit 14 that casing 15 bottom one sides are offered, casing 15 inside are divided into upper and lower two chambers, the negative water tight compartment 2 on top and the positive water tight compartment 3 of bottom, negative water tight compartment 2 and positive water tight compartment 3 are the cavity that annular arranges, the central through hole that center arranges by up/down perforation is connected, gap is left at the negative top of water tight compartment 2 inwalls and the top of casing 15, gap is left in the positive bottom of water tight compartment 3 inwalls and the bottom of casing 15.Negative water tight compartment 2 and positive water tight compartment 3 are in the inner corresponding upper and lower two-layer water seal that forms of casing 15, two-layer water seal is connected by the mozzle 12 of casing 15 outer setting, mozzle 12 is one section of bend pipe that is arranged on casing 15 outsides, upper end connects the high liquid level (HLL) of negative water tight compartment 2 top, and lower end connects positive water tight compartment 3 topmosts.
When the present invention is applied in acid mist absorption system, this system comprises unloads sour pump 6, high-order acid tank 7, hydrochloric acid metering valve 8, hydrochloric acid batch meter 9, acid mist pipe 10 and of the present invention pair of water seal acid-fume absorber 11, the output that unloads sour pump 6 connects high-order acid tank 7 one end, top by pipeline, the high-order acid tank 7 top other ends connect the acid mist entrance 4 of of the present invention pair of water seal acid-fume absorber 11 by connecting acid mist pipe 10, acid mist entrance 4 connects hydrochloric acid batch meter 9 one end, top by another acid mist pipe 10, the hydrochloric acid batch meter 9 top other ends connect high-order acid tank 7 one end, bottom by hydrochloric acid metering valve 8.
The acid mist entrance 4 that is casing 15 tops connects respectively high-order acid tank 7 and hydrochloric acid batch meter 9 by two-way acid mist pipe 10; suction and exhaust ports 1 UNICOM's air; sealing water water inlet 5 connects running water water source by sealing water inlet valve 16; for protection equipment; prevent negative pressure destruction; spy sets up multiple protective, adds pilot multiple line and each of check valve, hand-operated valve is installed respectively on acid mist pipeline.
The course of work is as follows: the present invention is mainly used in the sealing of liquid hydrogen chloride storage container, use hydrostatics basic principle, being applicable to high concentration chlorination hydrogen stores and field of employment, alternative traditional acid-fume absorber that water is medium of take, thereby save a large amount of water resources, improve the recycling rate of waterused of water resource, effectively prevent from overflowing surrounding enviroment being polluted and corroded because of sour gas, reduce corresponding recondition expense.
The present invention is when work, hydrochloric acid batch meter 9 and high-order acid tank 7 acid mist lines are independent absorption separately, during charging, hydrochloric acid enters high moor groove 7 after unloading sour pump 6 pressurizations, from high-order acid tank 7 by acid mist pipe 10, the acid mist entrance 4 by acid-fume absorber casing 15 foots of the present invention enters in the positive water tight compartment 3 of casing 15 bottoms acid mist, by the water seal in positive water tight compartment 3, by remaining hydrogen chloride absorption, the overflow exhaust outlet 13 that then gas is offered by casing 15 middle and lower parts is discharged; During discharging, atmosphere enters in casing 15 by suction and exhaust ports 1, after negative water tight compartment 2 water seals via top, overcomes less negative pressure, finally by acid mist pipe 10, enters hydrochloric acid batch meter 9, with this, gas is imported.
In addition, absorption by Hydrochloric Acid water is entered in casing 15 by the sealing water water inlet 5 at casing 15 tops, when water level reaches the sealing height of negative water tight compartment 2, water enters in the positive water tight compartment 3 of bottom by mozzle 12 overflows, when water level reaches the control water level of positive water tight compartment 3, close sealing water inlet valve 16 and stop water filling.
When unloading, the pressure of acid mist is larger, and this part acid mist with pressure is imported into the interior absorption of positive water tight compartment 3 of casing 15 bottoms, and enters atmosphere by suction and exhaust ports 1; When need measure, the position pressure head of high-order acid tank 7 substantially exceeds the position pressure head of hydrochloric acid batch meter 9, and hydrochloric acid solution is by the poor importing hydrochloric acid of potential energy batch meter 9, and acid mist imports positive water tight compartment 3 by acid mist pipe 10, is absorbed rear Exhaust Gas; When hydrochloric acid batch meter 9 goes out acid, container internal upper part acid mist pressure reduces rapidly, the intake valve of the suction and exhaust ports 1 on the top by negative water tight compartment 2 imports air, simultaneously when pressure drop reaches 20mm water column, the water seal of negative water tight compartment 2 is broken through by negative pressure, air imports acid mist line along water seal mouth, keeps hydrochloric acid batch meter 9 interior normal pressure.
Under the state that acid mist in this system is sealing always, carry, can not enter without absorption atmosphere, and the pressure in closed system fluctuates between+120mm at-30mm, under protection of the environment and the normal prerequisite of using of equipment, saved a large amount of absorption waters.
It is worth mentioning that, the present invention, except being applied to effumability hydraulic seal, also needs liquid (requiring without the anoxybiotic) container of airtight storage applicable to other, and the auxiliary insurance means that can require as pressure-fired nitrogen-sealed.
The above, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (6)
1. water-saving pair of hydrolock hydrogen chloride gas absorption plant, comprise that inside is provided with the casing of water seal (15), the acid mist entrance (4) of offering on casing (15), the sewage draining exit (14) that casing (15) bottom one side is offered, it is characterized in that: described casing (15) inside is divided into upper and lower two chambers, the upper and lower two-layer water seal of corresponding formation, upper and lower two water tight compartments are connected by the mozzle (12) of casing (15) outer setting, casing (15) top is respectively equipped with suction and exhaust ports (1), acid mist entrance (4) and sealing water water inlet (5), casing (15) middle and lower part one side is provided with overflow exhaust outlet (13), casing (15) bottom opposite side is provided with sewage draining exit (14).
2. water-saving pair of hydrolock hydrogen chloride gas absorption plant according to claim 1, it is characterized in that: described two water tight compartments are up and down respectively the negative water tight compartment (2) on top and the positive water tight compartment (3) of bottom, negative water tight compartment (2) and positive water tight compartment (3) are the cavity that annular arranges, and the central through hole that center arranges by up/down perforation is connected.
3. water-saving pair of hydrolock hydrogen chloride gas absorption plant according to claim 2, it is characterized in that: gap is left at the described top of negative water tight compartment (2) inwall and the top of casing (15), gap is left in the positive bottom of water tight compartment (3) inwall and the bottom of casing (15).
4. water-saving pair of hydrolock hydrogen chloride gas absorption plant according to claim 1, it is characterized in that: described mozzle (12) is one section and is arranged on the outside bend pipe of casing (15), upper end connects the high liquid level (HLL) of negative water tight compartment (2) top, and lower end connects positive water tight compartment (3) topmost.
5. water-saving pair of hydrolock hydrogen chloride gas absorption plant according to claim 1, is characterized in that: described overflow exhaust outlet (13) is arranged on casing (15) outside of the high liquid level (HLL) of positive water tight compartment (3) top.
6. water-saving pair of hydrolock hydrogen chloride gas absorption plant according to claim 1, is characterized in that: described suction and exhaust ports (1) upper end UNICOM air, the liquid level bottom of negative water tight compartment (2) is inserted in lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210229115.9A CN103521037A (en) | 2012-07-04 | 2012-07-04 | Water-saving double-water seal hydrogen chloride gas absorption device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210229115.9A CN103521037A (en) | 2012-07-04 | 2012-07-04 | Water-saving double-water seal hydrogen chloride gas absorption device |
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| Publication Number | Publication Date |
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| CN103521037A true CN103521037A (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210229115.9A Pending CN103521037A (en) | 2012-07-04 | 2012-07-04 | Water-saving double-water seal hydrogen chloride gas absorption device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111384A (en) * | 2019-11-12 | 2020-05-08 | 武汉华利浦防腐工程有限公司 | Hydrochloric acid regeneration exhaust system |
| CN115090079A (en) * | 2022-07-12 | 2022-09-23 | 重庆天原化工有限公司 | Acid mist absorption device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201551943U (en) * | 2009-11-30 | 2010-08-18 | 宝钢工程技术集团有限公司 | Small-sized practical acid mist absorbing device |
| CN201582461U (en) * | 2009-10-23 | 2010-09-15 | 中国石油化工股份有限公司 | Integrated two-way liquid sealing device |
| CN201912868U (en) * | 2010-12-11 | 2011-08-03 | 马鞍山市鑫绿水处理药剂有限责任公司 | Acid mist absorber |
| CN102295272A (en) * | 2011-07-29 | 2011-12-28 | 唐山三友氯碱有限责任公司 | Environment-friendly energy-saving hydrochloric acid acid mist collection absorption acid-making device |
| CN202203454U (en) * | 2011-06-02 | 2012-04-25 | 广州科城环保科技有限公司 | Positive and negative pressure water seal safety system for isolating waste gas |
-
2012
- 2012-07-04 CN CN201210229115.9A patent/CN103521037A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582461U (en) * | 2009-10-23 | 2010-09-15 | 中国石油化工股份有限公司 | Integrated two-way liquid sealing device |
| CN201551943U (en) * | 2009-11-30 | 2010-08-18 | 宝钢工程技术集团有限公司 | Small-sized practical acid mist absorbing device |
| CN201912868U (en) * | 2010-12-11 | 2011-08-03 | 马鞍山市鑫绿水处理药剂有限责任公司 | Acid mist absorber |
| CN202203454U (en) * | 2011-06-02 | 2012-04-25 | 广州科城环保科技有限公司 | Positive and negative pressure water seal safety system for isolating waste gas |
| CN102295272A (en) * | 2011-07-29 | 2011-12-28 | 唐山三友氯碱有限责任公司 | Environment-friendly energy-saving hydrochloric acid acid mist collection absorption acid-making device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111384A (en) * | 2019-11-12 | 2020-05-08 | 武汉华利浦防腐工程有限公司 | Hydrochloric acid regeneration exhaust system |
| CN111111384B (en) * | 2019-11-12 | 2021-10-08 | 武汉华利浦防腐工程有限公司 | Hydrochloric acid regeneration exhaust system |
| CN115090079A (en) * | 2022-07-12 | 2022-09-23 | 重庆天原化工有限公司 | Acid mist absorption device and method |
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Application publication date: 20140122 |