CN106693615B - Water seal device for purifying tail gas in chemical storage tank - Google Patents
Water seal device for purifying tail gas in chemical storage tank Download PDFInfo
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- CN106693615B CN106693615B CN201510788793.2A CN201510788793A CN106693615B CN 106693615 B CN106693615 B CN 106693615B CN 201510788793 A CN201510788793 A CN 201510788793A CN 106693615 B CN106693615 B CN 106693615B
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Abstract
The invention discloses a water seal device for purifying tail gas in a chemical storage tank, which comprises a water tank, an exhaust pipe connected to the top of the water tank, a partition plate, an air inlet pipe, a water storage pipe, a water supplementing pipe, an overflow pipe and a blow-off pipe, wherein the partition plate is vertically arranged at the bottom in the water tank and divides the interior of the water tank into a water purifying chamber and a sewage chamber, one end of the air inlet pipe is arranged at one side of the water purifying chamber of the water tank, the other end of the air inlet pipe is arranged at the interior of the water tank, a port of the air inlet pipe is downward and is arranged above the water purifying chamber, one end of the water storage pipe is communicated with one side of the air inlet pipe in the water tank, the other end of the water storage pipe penetrates through the partition plate and is arranged above the sewage. By using the water replenishing device, only after the water replenishing speed is adjusted, no other operation is needed, and the water replenishing device has the characteristics of simple structure, low cost, simplicity and convenience in operation, low maintenance cost, safety, reliability and the like.
Description
Technical field
The present invention relates to water seal arrangements, fill more specifically to a kind of water seal for the purification of chemical industry storage tank inner exhaust gas
It sets.
Background technique
In coal chemical industry process of producing product, needs to store product or terminal among the chemical industry such as soda acid, waste liquid using storage tank and produce
Product, often gathering at the top of these storage tanks largely can make one carcinogenic toxic harmful exhaust gas by what chemical products generated.
Existing processing storage tank exhaust gas method has: setting breather valve and desorption tube, setting burned waste gas device, are set setting exhaust gas washing column
Four kinds of water seal arrangement are set, although every kind of method, which can be handled, gathers exhaust gas problem, application, processing cost at the top of storage tank
And security performance is not exactly the same, method one, and breather valve and desorption tube is arranged, due to exhaust gas without any processing directly to
Atmosphere discharge, therefore can be only applied to environment, personnel's fanout free region or injure extremely small exhaust gas discharge occasion；Method two, if
Exhaust gas washing column is set, due to needing to invest washing column and its affiliated facility, therefore can be only applied to that process units is larger and nothing
The storage tank exhaust gas in negative pressure state that need to worry largely gathers occasion；Burned waste gas device is arranged in method three, useless due to needing to invest
Gas incinerator and its affiliated facility, therefore can be only applied to that process units is larger and the concentration and type of exhaust gas organic matter
It is able to satisfy and effectively burns occasion；Water seal arrangement is arranged in method four, though setting water seal arrangement is also required to that certain be fabricated to occurs
This, but since its structure is simple, manufacturing cost is cheap and has blocking gas source, scrubbing exhaust gas and becomes with storage tank top pressure
Change the respiratory function automatically formed, therefore is increasingly being applied to the discharge of chemical industry storage tank waste gas purification.
As shown in Figure 1, Authorization Notice No. be CN202078840U described in " it is a kind of can air-breathing, expiration hydrolock exhale
Haustorium ", the technical characteristic of the utility model patent is that partition 31 is equipped with above water tank 30, is connected with exhaust pipe at the top of water tank 30
32, the top of 30 side wall of water tank is connected with air inlet pipe 33.Its working principle is that: left and right two spaces are formed by partition 31, it is right
Space is exhaust air chamber A, and left space is air-purifying chamber B, and when storage tank is fed, pressure rises in air inlet pipe 33, and exhaust gas is through air inlet in storage tank
Pipe 33, exhaust air chamber A, water tank 30, air-purifying chamber B, 32 pipe directions of exhaust move, to big after exhaust gas is purified by water seal arrangement in storage tank
Gas discharge, storage tank are exhaled by water seal, water seal height H, and when storage tank discharges, drop of pressure in air inlet pipe 33, atmosphere is through exhaust pipe
32, air-purifying chamber B, water tank 30, exhaust air chamber A, air inlet pipe 33 enter storage tank, and storage tank passes through water seal air-breathing.
It is low in cost in conclusion the method structure of the utility model is simple, however safety is not in practical applications
Height, this is because, due to the raising of exhaust air chamber A water level, sewage will be inhaled into storage tank when storage tank air-breathing intensity is big, this is lacked
The quality of chemical products for having strict control in storage tank to water content will be seriously affected by falling into；In addition, if when storage tank air-breathing, sewage
It is trapped in water seal arrangement duct coupling vertical with storage tank, it is usual more elongated due to vertical duct coupling, therefore flow into connection
The sewage in adapter tube road will form one and be much larger than the water seal of H height, this water seal will seriously hinder storage tank air-breathing, storage tank occur serious
Negative pressure, under normal circumstances, when duct coupling water seal height reaches 10cm, the cell wall of storage tank becomes because bearing biggish pressure
Shape, if the water seal height is sufficiently large, storage tank " will be inhaled flat " due to can't bear the effect of negative pressure, and at the scene, storage tank is by negative
Pressure influences and " being inhaled flat " accident is not rarely seen.
Summary of the invention
In view of the above defects of the prior art, the object of the present invention is to provide one kind to be used for chemical industry storage tank inner exhaust gas
The water seal arrangement of purification, when through the invention can be efficiently against storage tank air-breathing, prevent backing up of sewage in water seal arrangement into
The accident of storage tank and storage tank " inhaling flat ".
To achieve the above object, the present invention adopts the following technical scheme:
A kind of water seal arrangement for the purification of chemical industry storage tank inner exhaust gas, including water tank and the exhaust for being connected to tank top
Pipe further includes partition, air inlet pipe, water pipe, water supply pipe, overflow pipe and sewage pipe, and partition, which is erect, is set to bottom in water tank, by water
Water purifying chamber and sewage chamber are divided into inside case, one end of air inlet pipe is arranged in water tank water purifying chamber side, and the other end is set to water tank
Inside, port is downward, and above water purifying chamber, and one end of water pipe is connected to the side of air inlet pipe in water tank, and the other end is along net
Water chamber passes through partition and is set to above sewage chamber, and water supply pipe is set to water tank water purifying chamber side, and above air inlet pipe, sewage pipe is set to
The bottom of water tank sewage chamber side, overflow pipe are set to water tank sewage chamber side, and above sewage pipe.
The air inlet pipe includes air inlet transverse tube, intake elbow and air inlet vertical tube, and one end of air inlet transverse tube is arranged in water tank
Water purifying chamber side, the other end connect intake elbow one end, and the intake elbow other end connects air inlet vertical tube, and port is downward.
The water pipe includes water storage inclined tube, water storage bend pipe and water storage vertical tube, and one end of water storage inclined tube is connected to air inlet
The side of vertical tube, the other end pass through one end of partition connection water storage bend pipe, and the water storage bend pipe other end connects water storage vertical tube, end
Mouth is downwards.
The tip height difference of the air inlet vertical tube bottom port and partition is 6cm.
The angle of the water storage inclined tube and air inlet vertical tube connectivity part is 30 °.
The tip height difference of the water storage vertical tube bottom port and partition is 38cm.
The bottom level difference of the water storage vertical tube bottom port and overflow pipe is 13cm.
Bottom level difference is 25cm in the bottom of the overflow pipe and water tank.
Water supply valve is additionally provided on the water supply pipe.
In the above-mentioned technical solutions, the present invention has the advantage that
1. due to being connected to water pipe on the air inlet vertical tube of air inlet pipe tail portion, when can ensure storage tank feeding air-breathing, water purification
Interior forces the moisture content in air inlet pipe to automatically flow into water pipe under the effect of gravity by atmospheric pressure, avoids moisture content in water purifying chamber
It pours in storage tank.
2. it is optimum length since air inlet pipe protrudes into the depth of water purifying chamber as 6cm, in this way, available two effects: its
One, when ensureing storage tank discharging air-breathing, not compressive deformation or the flat damage of suction of the cell wall of storage tank；Second, can ensure that storage tank feeding is exhaled
When, the exhaust gas in storage tank is effectively purified, it is ensured that water seal is not broken through in water purifying chamber, to ensure that exhaust gas is not direct in storage tank
Arrange Xiang great Qi.
3. ensureing that storage tank feeding is exhaled since the depth that water pipe protrudes into sewage chamber protrudes into water purifying chamber's depth greater than air inlet pipe
When, the exhaust gas in storage tank will not flow to atmosphere through water pipe, sewage chamber by exhaust pipe due to sewage chamber water seal intensity is low, and pollute
Environment.
4. can effectively avoid storage tank since the depth that water pipe protrudes into sewage chamber protrudes into water purifying chamber's depth greater than air inlet pipe and go out
When material, atmosphere approaches sewage in sewage chamber in water pipe, and is poured in storage tank by air inlet pipe, and can ensure there is foot in water pipe
Enough capacity come store by air inlet pipe be discharged water purification.With evade " air-breathing " intensity it is excessive when sewage chamber in sewage through water pipe,
Air inlet pipe pours in storage tank.
5. protruding into sewage chamber depth since overflow pipe is greater than water pipe away from distance from bottom in water tank, bottom in sewage chamber can be ensured
The nozzle of portion's sludge and water pipe has a certain distance, and the nozzle of water storage vertical tube is avoided to be blocked by sludge, ensures that water pipe is unimpeded
It is without hindrance.
Detailed description of the invention
Fig. 1 is the structure chart that Authorization Notice No. is CN202078840U；
Fig. 2 is structure chart of the invention.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 2, a kind of water seal arrangement and the prior art for the purification of chemical industry storage tank inner exhaust gas of the invention
Identical to be, equally also including includes water tank 1 and the exhaust pipe 6 for being connected to tank top, is not being repeated herein, with the prior art
Unlike, it further include partition 2, air inlet pipe 3, water pipe 4, water supply pipe 7, overflow pipe 5 and sewage pipe 8, partition 2, which is erect, is set to water
Bottom in case 1, will be divided into water purifying chamber 9 and sewage chamber 10 inside water tank, air inlet pipe 3 is curved including air inlet transverse tube 301, air inlet
Pipe 302 and air inlet vertical tube 303, one end of air inlet transverse tube 301 are arranged in 1 water purifying chamber of water tank, 9 side, and it is curved that the other end connects air inlet
One end of pipe 302,302 other end of intake elbow connect air inlet vertical tube 303, and port is downward, and above water purifying chamber 9, air inlet
The lower end of vertical tube 303 and the tip height difference H1 of partition 2 are 6cm；Water pipe 4 includes water storage inclined tube 401,402 and of water storage bend pipe
Water storage vertical tube 403, one end of water storage inclined tube 401 are connected to the side of air inlet vertical tube 303, water storage inclined tube 401 and air inlet vertical tube 303
The angle a of connectivity part is 30 °, guarantees that the gravity of water is sufficiently more than flow resistance, water storage inclined tube along the decomposing force in 4 direction of water pipe
401 other ends pass through one end that partition 2 connects water storage bend pipe 402, and 402 other end of water storage bend pipe connects water storage vertical tube 403, end
Downwards, and above sewage chamber 10, the lower end of the water storage vertical tube 403 and the tip height difference H2 of partition 2 are 38cm to mouth, are stored
The lower end of water vertical tube 403 and the bottom level difference H3 of overflow pipe 5 are 13cm；Water supply pipe 7 be set to 1 water purifying chamber of water tank, 9 side, and
Above air inlet pipe 3, water supply valve 11 is additionally provided on water supply pipe 7；Sewage pipe 8 is set to the bottom of 1 sewage chamber of water tank, 10 side, overflow
Pipe 5 is also set to 1 sewage chamber of water tank, 10 side, and above sewage pipe 8, bottom level difference H4 in the bottom of overflow pipe 5 and water tank 1
For 25cm.
In the use of the present invention, air inlet pipe 3 is connected to storage tank by connecting tube, the height of H1 is 6cm, this is because storage
When slot discharging air-breathing, storage tank will bear certain negative pressure, and negative pressure caused by 6cm water seal is the tube wall of conventional wall thickness storage tank
It can bear pressure, if H1 is greater than 6cm, the cell wall of storage tank would be possible to meeting compressive deformation, and cell wall will be inhaled when negative pressure is serious
Flat damage；If H1 is less than 6cm, when storage tank feeding is exhaled, the exhaust gas in storage tank cannot be purified effectively, will be made when serious
Water seal is broken through, and exhaust gas is directly through 6 row Xiang great Qi of exhaust pipe in storage tank.When storage tank is exhaled, storage tank is by water seal H1 to exhaust pipe 6
Exhaust, water seal H1 height is directly proportional to the water purification capacity of purification exhaust gas and exhaust gas envelope pressure energy power.
Purpose of the H3 greater than H1 is in view of when storage tank is fed, pressure increases in air inlet pipe 3, at this point, useless in air inlet pipe 3
Gas will be moved by water tank 1 to exhaust pipe 6, that is, storage tank, by water seal " expiration ", motion path has two: first roads
Diameter is that path enters water purifying chamber 9, and water purification is net in water purifying chamber 9 by air inlet transverse tube 301, intake elbow 302, air inlet vertical tube 303
It is discharged after change by exhaust pipe 6, this path water seal intensity is H1 height.Second paths, by air inlet transverse tube 301, intake elbow
302, water storage inclined tube 401, water storage bend pipe 402, water storage vertical tube 403 are that path enters sewage chamber 10, this path water seal intensity is H3
Highly.According to hydrodynamics gas to the smaller direction flow principles of resistance, if H3 is less than H1, the exhaust gas in storage tank will walk second
The height H3 of paths, at this time water seal will be less than 6cm, and waste gas purification effect is because being in sewage and water seal in sewage chamber 10 in storage tank
Water capacity less declines, and when storage tank " expiration " intensity is big, exhaust gas will break through in sewage chamber 10 water seal directly to row in storage tank
Exhaust gas is discharged in tracheae 6.If H3 is greater than H1, the exhaust gas in storage tank will walk the first paths, at this time in water purifying chamber 9 water seal height
For H1, under storage tank exhaust gas pressure action, water purification will be forced in water pipe 4 in air inlet vertical tube 303, at this time the exhaust gas in storage tank
It is discharged net gas is become after water purification cleaning in the water purifying chamber 9 that height is H1 to exhaust pipe 6.
Purpose of the H2 much larger than H1 is in view of when storage tank discharges, exhaust gas pressure is reduced in air inlet pipe 3, at this point, exhaust pipe 6
Interior atmosphere will be moved by water tank 1 to air inlet pipe 3, that is, storage tank passes through water seal " air-breathing ".Motion path is two: first
Paths, atmospheric air is fed through water purifying chamber 9 by exhaust pipe 6, air inlet vertical tube 303, intake elbow 302, air inlet transverse tube 301 enter
Storage tank, water seal height H1.Second paths, atmospheric air are fed through sewage chamber 10, water storage vertical tube 403, water storage by exhaust pipe 6
Bend pipe 402, water storage inclined tube 401, intake elbow 302, air inlet transverse tube 301 enter storage tank, and water seal maximum height is H2 at this time.According to
Hydrodynamics gas is to the smaller direction flow principles of resistance, if H2 is less than H1, the exhaust gas in storage tank will walk the second paths, this
When, atmosphere will approach sewage in sewage chamber 10 in water pipe 4, and be poured in storage tank by air inlet pipe 3, influence chemical industry in storage tank
Product quality.If H2 is greater than H1, the exhaust gas in storage tank will walk the first paths, at this point, atmosphere will make water purification in water purifying chamber 9
It forces into air inlet vertical tube 303, forces the water purification in air inlet vertical tube 303 will be through water storage inclined tube 401, water storage bend pipe 402, water storage by atmosphere
Vertical tube 403 flows into sewage chamber 10, and is discharged through overflow pipe 5.When in air inlet vertical tube 303 water purification be forced sky when, atmosphere then passes through only
Water chamber 9, air inlet pipe 3 are sent into storage tank, to maintain pressure in storage tank to stablize.The present invention designs H2 much larger than H1's another object is that mirror
In can make to have enough capacity in water pipe 4 to store the water purification being discharged by air inlet pipe 3, to evade at storage tank " air-breathing "
" air-breathing " intensity is excessive, and overflow pipe 5 has little time draining-off sewage, and sewage in sewage chamber is forced to pour through water pipe 4, air inlet pipe 3
Risk in storage tank.
Purpose of the H4 greater than H3 is in view of dirty impurities in water will make 10 bottom of sewage chamber after precipitating for a long time in sewage chamber 10
Portion needs to be discharged by sewage pipe 8 there are a large amount of sludge, and H4, which is greater than H3, can ensure precipitating in water storage vertical tube 403 and sewage chamber 10
Sludge have a certain distance, avoid the nozzle of water storage vertical tube 403 from being blocked by sludge, ensure water pipe 4 it is unblocked.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (7)
1. a kind of water seal arrangement for the purification of chemical industry storage tank inner exhaust gas, including water tank and the exhaust pipe for being connected to tank top,
It is characterized by also including partition, air inlet pipe, water pipe, water supply pipe, overflow pipe and sewage pipe,
Partition, which is erect, is set to bottom in water tank, will be divided into water purifying chamber and sewage chamber inside water tank,
One end of air inlet pipe is arranged in water tank water purifying chamber side, and the other end is set to inside water tank, and port is downward, and in water purifying chamber
Top,
One end of water pipe is connected to the side of air inlet pipe in water tank, and the other end passes through partition along water purifying chamber and is set in sewage chamber
Side,
Water supply pipe is set to water tank water purifying chamber side, and above air inlet pipe, and sewage pipe is set to the bottom of water tank sewage chamber side, overflows
Flow tube is set to water tank sewage chamber side, and above sewage pipe, in which:
The water pipe includes water storage inclined tube, water storage bend pipe and water storage vertical tube, and one end of water storage inclined tube is connected to air inlet vertical tube
Side, the other end pass through partition connection water storage bend pipe one end, the water storage bend pipe other end connect water storage vertical tube, port to
Under；
The tip height difference of the air inlet vertical tube bottom port and partition is 6cm.
2. a kind of water seal arrangement for the purification of chemical industry storage tank inner exhaust gas as described in claim 1, it is characterised in that: described
Air inlet pipe includes air inlet transverse tube, intake elbow and air inlet vertical tube, and one end of air inlet transverse tube is arranged in water tank water purifying chamber side, another
One end connects intake elbow one end, and the intake elbow other end connects air inlet vertical tube, and port is downward.
3. a kind of water seal arrangement for the purification of chemical industry storage tank inner exhaust gas as described in claim 1, it is characterised in that: described
Water storage inclined tube and the angle of air inlet vertical tube connectivity part are 30 °.
4. a kind of water seal arrangement for the purification of chemical industry storage tank inner exhaust gas as described in claim 1, it is characterised in that: described
The tip height difference of water storage vertical tube bottom port and partition is 38cm.
5. a kind of water seal arrangement for the purification of chemical industry storage tank inner exhaust gas as described in claim 1, it is characterised in that: described
The bottom level difference of water storage vertical tube bottom port and overflow pipe is 13cm.
6. a kind of water seal arrangement for the purification of chemical industry storage tank inner exhaust gas as claimed in claim 5, it is characterised in that: described
Bottom level difference is 25cm in the bottom of overflow pipe and water tank.
7. a kind of water seal arrangement for the purification of chemical industry storage tank inner exhaust gas as described in claim 1, it is characterised in that: described
Water supply valve is additionally provided on water supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788793.2A CN106693615B (en) | 2015-11-17 | 2015-11-17 | Water seal device for purifying tail gas in chemical storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788793.2A CN106693615B (en) | 2015-11-17 | 2015-11-17 | Water seal device for purifying tail gas in chemical storage tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106693615A CN106693615A (en) | 2017-05-24 |
| CN106693615B true CN106693615B (en) | 2019-06-18 |
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ID=58932149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510788793.2A Active CN106693615B (en) | 2015-11-17 | 2015-11-17 | Water seal device for purifying tail gas in chemical storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106693615B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2183210Y (en) * | 1993-05-22 | 1994-11-23 | 沧州市环保设备厂 | Impact water-bath type fume-reducing and desulfunizing duster |
| CN202078840U (en) * | 2011-05-12 | 2011-12-21 | 太原煤气化股份有限公司焦化厂 | Water-seal type ventilator capable of inspiration and expiration |
| CN203916405U (en) * | 2014-04-30 | 2014-11-05 | 成都易态科技有限公司 | Industrial furnace smoke dedusting cooling system |
| CN104138701A (en) * | 2014-08-21 | 2014-11-12 | 张锡源 | Flue gas purifying device of multi-functional coal-fired boiler |
-
2015
- 2015-11-17 CN CN201510788793.2A patent/CN106693615B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2183210Y (en) * | 1993-05-22 | 1994-11-23 | 沧州市环保设备厂 | Impact water-bath type fume-reducing and desulfunizing duster |
| CN202078840U (en) * | 2011-05-12 | 2011-12-21 | 太原煤气化股份有限公司焦化厂 | Water-seal type ventilator capable of inspiration and expiration |
| CN203916405U (en) * | 2014-04-30 | 2014-11-05 | 成都易态科技有限公司 | Industrial furnace smoke dedusting cooling system |
| CN104138701A (en) * | 2014-08-21 | 2014-11-12 | 张锡源 | Flue gas purifying device of multi-functional coal-fired boiler |
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| Publication number | Publication date |
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| CN106693615A (en) | 2017-05-24 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Applicant after: Baowu Carbon Material Technology Co., Ltd. Address before: No. 3501 Tongji Road, Baoshan District, Shanghai 201900 Applicant before: Chemical Co., Ltd. of Baoshan Iron and Steel Group, Shanghai |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee after: Baowu Carbon Technology Co.,Ltd. Address before: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee before: BAOWU CARBON MATERIAL TECHNOLOGY Co.,Ltd. |