CN206045670U - A kind of water seal water washing device of fuel gas recovery system - Google Patents

A kind of water seal water washing device of fuel gas recovery system Download PDF

Info

Publication number
CN206045670U
CN206045670U CN201620924746.6U CN201620924746U CN206045670U CN 206045670 U CN206045670 U CN 206045670U CN 201620924746 U CN201620924746 U CN 201620924746U CN 206045670 U CN206045670 U CN 206045670U
Authority
CN
China
Prior art keywords
water
fuel gas
spray
water seal
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620924746.6U
Other languages
Chinese (zh)
Inventor
姚建军
李文龙
程继元
王惠勤
李战杰
王文昊
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.)
Sinopec Engineering Group Co Ltd
Sinopec Guangzhou Engineering Co Ltd
Original Assignee
Sinopec Engineering Group Co Ltd
Sinopec Guangzhou Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinopec Engineering Group Co Ltd, Sinopec Guangzhou Engineering Co Ltd filed Critical Sinopec Engineering Group Co Ltd
Priority to CN201620924746.6U priority Critical patent/CN206045670U/en
Application granted granted Critical
Publication of CN206045670U publication Critical patent/CN206045670U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cleaning By Liquid Or Steam (AREA)

Abstract

This utility model provides a kind of water seal water washing device of fuel gas recovery system, there is Operation and Maintenance to solve existing fuel gas recovery system.Which is mainly by water supply system, constitute to gas system, water wash system and overflow system, the water wash system is mainly made up of spray facility, combustible gas inlet pipe and vertical water seal water cleaning of evaporator, spray facility is constituted by supervisor, spray arm and spraying ring pipe is sprayed, spraying ring pipe be arranged in above combustible gas inlet pipe and below fuel gas outlet between, a diameter of 40~80mm of spraying ring pipe, accounting for immediately below spraying ring pipe and 5~15 row's sieve apertures are axially provided with along spraying ring pipe on the area of spraying ring pipe 1/3, sieve diameter is 1~5mm.The automatic recovery of fuel gas can both be realized using this utility model, tempering has been prevented, and can more thoroughly be removed the dust in fuel gas, impurity, improve the safety and reliability of gas holder operation.

Description

A kind of water seal water washing device of fuel gas recovery system
Technical field
This utility model belongs to the discharge of petrochemical enterprise imflammable gas and recovery field, more particularly to a kind of to be used for stone A kind of water seal water washing device of fuel gas recovery system in oily chemical enterprise.
Background technology
Petrochemical enterprise imflammable gas is discharged and recovery system is to ensure the important measures of process unit safety in production With environmental protection and energy saving measure, when process unit is normally produced, fuel gas is reclaimed into gas holder facility as far as possible, then Jing pressures Contracting machine is used as factory's fuel gas after delivering to desulfurizer desulfurization, realizes the purpose of energy-saving and emission-reduction;When process unit accident work Under condition, when the fuel gas of discharge is unsatisfactory for gas holder air inlet requirement (temperature, pressure, flow transfinite), full factory's torch facility is drained into It is vented after burning.
Contain dust, impurity in the fuel gas of the devices such as coking discharge, if being directly discharged into gas holder facility, not only damage Sealing (dry type or wet type) between gas holder and piston (or movable caping), will cause seal wear, the leakage of gas holder gas to deposit for a long time In potential safety hazard, and greatly reduce the service life of gas holder;Gas will be unfavorable in a large amount of precipitate of gas holder bottom deposit simultaneously The recovery (gravity flow is into condensation water recycling can) of the condensation water in cabinet, needs regular purge condensate drain pipeline to prevent blocking, and is stopping The work maintenance stage need to remove a large amount of greasy filth in gas holder bottom and condensate drain pipeline.
Mainly there are two kinds in petrochemical enterprise fuel gas dust collection method at present, one is to enter gas holder supervisor in fuel gas Two set filters are set on road;Two is to arrange a set filter (band backwashing system).The two pipe filter groups of setting of method one, one It is standby with one, need to periodically switch cleaning filter element, inconvenience is brought to operation and maintenance;Method two arranges a set filter + backwashing system, as process unit emptying gas component is extremely complex, and dust, impurity content are larger sometimes, backwash System is difficult to clean up filter element;It is substantial amounts of that both the above method finds that gas holder bottom is still present in use Precipitate, using effect are undesirable, are unfavorable for safety in production, are not easy to regular job and maintenance.
Utility model content
This utility model is, to overcome existing fuel gas recovery system to there is Operation and Maintenance, and to provide one Plant the water seal water washing device of fuel gas recovery system.
This utility model provides a kind of water seal water washing device of fuel gas recovery system, mainly by water supply system, washing System and overflow system composition, water supply system is connected with the top of water wash system, the bottom phase of overflow system and water wash system Connection, water supply system include water inlet pipe, arrange bypass restriction orifice and inlet self-control valve, bypass restriction orifice and enter on water inlet pipe Water internally piloted valve is arranged in parallel, it is characterised in that:The water seal water washing device of the fuel gas recovery system also include to gas system and Water seal water washing tank top inlet pipe, water wash system is mainly by spray facility, combustible gas inlet pipe, fuel gas standpipe, flammable Gas outlet tube and vertical water seal water cleaning of evaporator composition, spray facility are constituted by supervisor, spray arm and spraying ring pipe is sprayed, and are sprayed A diameter of 40~80mm of endless tube, account for immediately below spraying ring pipe and be axially provided with 5 along spraying ring pipe on the area of spraying ring pipe 1/3~ 15 row's sieve apertures, include air inlet pipe to gas system, and air inlet internally piloted valve is provided with air inlet pipe, and water inlet pipe and air inlet pipe pass through water respectively Water shutoff cleaning of evaporator top inlet pipe is connected with spray supervisor upper end, and spray supervisor lower end is connected with spraying ring pipe by spraying arm Logical, spray supervisor is vertically arranged, and spray arm and spraying ring pipe are horizontally disposed with, and spraying ring pipe is arranged in combustible gas inlet pipe Between below top and fuel gas outlet.
This utility model is further technically characterized in that:The spray facility and fuel gas standpipe are sealed located at vertical water In water washing tank, at the top of vertical water seal water cleaning of evaporator, fuel gas standpipe is located at below spray facility spray facility, fuel gas Standpipe upper end is fixed on vertical water seal water cleaning of evaporator tank skin, under fuel gas lower riser end insertion water seal liquid level.
This utility model is further technically characterized in that:The sieve diameter is 1~5mm.
This utility model is further technically characterized in that:The overflow system is mainly made up of U-shaped overflow pipe, U-shaped overflow One end of pipe is connected with vertical water seal water cleaning of evaporator bottom, the other end of U-shaped overflow pipe with from vertical water seal water cleaning of evaporator bottom And the Closed Drain pipeline being connected with vertical water seal water cleaning of evaporator is connected.
When reaching water seal height setting value from the fuel gas cumulative stress of process unit, the automatic one's water breaks envelope of fuel gas Afterwards enter vertical water water shutoff cleaning of evaporator, with vertical water seal water cleaning of evaporator at the top of shower water be fully contacted, by the dust in fuel gas, Impurity is dissolved in fresh water, and the sewage containing dust, impurity etc. is closed to drain into the closed collection system of oil-polluted water.
This utility model is mainly used in the discharge and recovery of imflammable gas in petrochemical enterprise, with prior art phase Than this utility model tool has the advantage that:
1) water seal of fuel gas and water scrub function are united two into one by water seal water washing device, with automatically controlling fuel gas The multi-functional of recovery, water seal and washing, saves equipment investment, with certain economy.
2) spray facility and constituted by supervisor, spray arm and spraying ring pipe is sprayed, the 40~80mm of diameter of spraying ring pipe, spray Drenching and 5~15 row's sieve apertures are axially provided with along spraying ring pipe on the area for account for immediately below endless tube spraying ring pipe 1/3, spraying ring pipe is arranged in Above fuel gas inlet tube, below fuel gas outlet, this utility model can guarantee that spray with regard to the structure for spraying facility Water and fuel gas are fully contacted, and make fuel gas that contained dust and miscellaneous is thoroughly removed in fuel gas before gas holder is entered Matter, can realize that " without the dead angle " of fresh Water spray in water seal water washing tank covers again.
3) fuel gas recovery system, the safety and reliability of gas holder facility operation are improve.
4) technological process and device configuration are succinct, and high degree of automation, operation and maintenance are convenient, practical.
With the drawings and specific embodiments, the utility model is described in further detail below, but accompanying drawing is real with concrete The mode of applying is not intended to limit scope of the present utility model.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the water seal water washing device of fuel gas recovery system of this utility model.
Fig. 2 is the structural representation for spraying facility.
Shown in figure, reference is:
1-vertical water seal water cleaning of evaporator, 2-combustible gas inlet pipe, 3-spray arm, 4-fuel gas outlet, 5- Fuel gas outlet valve, 6-water inlet pipe, 7-air inlet pipe, 8-air inlet internally piloted valve, 9-spraying ring pipe, 10-U-shaped overflow pipe, 11-water seal liquid level, 12-Closed Drain pipeline, 13-maintenance blow-off line, 14-blowdown internally piloted valve, 15-fuel gas stand Pipe, 16-spray supervisor, 17-water seal water washing tank top inlet pipe, 18-blowoff valve, 19-combustible gas inlet valve, 20-sieve Hole, 61- inlet self-control valves, 62-bypass restriction orifice.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further.
As depicted in figs. 1 and 2, a kind of water seal water washing device of fuel gas recovery system, mainly by water supply system, washing System and overflow system composition, water supply system is connected with the top of water wash system, the bottom phase of overflow system and water wash system Connection, water supply system include water inlet pipe 6, arrange bypass restriction orifice 62 and inlet self-control valve 61, bypass metering hole on water inlet pipe 6 Plate 62 is arranged in parallel with inlet self-control valve 61, and the water seal water washing device of the fuel gas recovery system is also included to gas system and water Water shutoff cleaning of evaporator top inlet pipe 17, water wash system mainly by spray facility, combustible gas inlet pipe 2, fuel gas standpipe 15, can Combustion gas outlet tube 4 and vertical water seal water cleaning of evaporator 1 are constituted, and spray facility is by spraying supervisor 16, spray arm 3 and spraying ring pipe 9 Composition, includes air inlet pipe 7 to gas system, air inlet internally piloted valve 8 is provided with air inlet pipe 7, water inlet pipe 6 and air inlet pipe 7 pass through respectively Water seal water washing tank top inlet pipe 17 is connected with 16 upper ends of spray supervisor, and spray 16 lower ends of supervisor are by spraying arm 3 with spray Drench endless tube 9 to be connected, a diameter of 40~80mm of spraying ring pipe accounts for edge on the area of spraying ring pipe 1/3 immediately below spraying ring pipe Spraying ring pipe is axially provided with 5~15 row's sieve apertures, and spraying ring pipe 9 is arranged in above combustible gas inlet pipe 2 and fuel gas is exported Between below pipe 4, combustible gas inlet valve 19 on combustible gas inlet pipe 2, is provided with, being provided with fuel gas outlet 4 can Combustion gas body outlet valve 5.
Fuel gas standpipe 15 is mainly made up of one section of horizontal pipeline section and one section of vertical pipeline section, the upper end connection of vertical pipeline section Horizontal pipeline section, the other end of horizontal pipeline section are connected with combustible gas inlet pipe 2.
, in vertical water water shutoff cleaning of evaporator 1, spray facility is located at vertical for the spray facility and fuel gas standpipe 15 At the top of water seal water washing tank 1, below spray facility, vertical water is fixed in 15 upper end of fuel gas standpipe to fuel gas standpipe 15 On the tank skin of water shutoff cleaning of evaporator 1, below 15 lower end of fuel gas standpipe insertion water seal liquid level 11.
The sieve aperture 20 for being provided with a diameter of 1~5mm of the spraying ring pipe 9.
It is " zigzag+sieve aperture " structure in 15 bottom 200mm altitude ranges of the fuel gas standpipe, prevents due to sealing Ripples move the pulse type emission for causing fuel gas;The actually active water seal height of fuel gas be 400mm, its effective water seal water yield Meet the filling amount of fuel gas standpipe 3m level above (h2 >=3000mm).
The fuel gas lower riser end identity distance from 1 bottom bulkhead tangent line distance h3 of vertical water seal water cleaning of evaporator be 500~ 1000mm。
It is described spray distributor 9 apart from combustible gas inlet pipe height h2 be 600~2000mm, preferably 1000~ 1200mm。
It is described spray distributor 9 apart from fuel gas outlet height h1 be 200~1000mm, preferably 500~ 600mm。
Water supply system is provided with the running water facility of continuum micromeehanics, and continuum micromeehanics are controlled using bypass restriction orifice 62;Overflow System is provided with the running water facility of continuous drainage, and using U-shaped overflow pipe 10 from stream mode, the gravity flow ability of U-shaped overflow pipe 10 is not Should be less than 2 times of continuum micromeehanics amount.
The simple course of work of the present utility model is:
The fuel gas Jing combustible gas inlets pipe 2 of process unit discharge, combustion gas riser 15 break through the water of sealing water body It is honored as a queen into the gas-phase space of vertical water seal water cleaning of evaporator 1, fuel gas and the shower water from spraying ring pipe 9 are fully contacted, and go Except contained dust and impurity, then through 4 row of fuel gas outlet downstream gas holder facility.The height of water seal liquid level 11 passes through The overflow control of U-shaped overflow pipe 10, the oil-polluted water end count that overflow goes out are closed discharge tube 12 and are discharged.
In order to realize automatically controlling for fuel gas water seal water washing device of the present invention, this utility model can also arrange water seal The two position warning interlock of liquid level:
1) continuum micromeehanics of vertical water seal water cleaning of evaporator 1 are controlled using the bypass restriction orifice 62 of water supply system, normal operating When by bypass restriction orifice 62 supplement fresh water, when 1 interior sealing water body of vertical water seal water cleaning of evaporator liquid level less than setting water seal During liquid level, the inlet self-control valve 61 that low liquid level warning device is automatically turned in water supply system carries out automatic water supplement, meet overflow and The water yield of spray is required;When water seal liquid level reaches setting value, inlet self-control valve 61 is automatically switched off.
2) water seal liquid level in vertical water seal water cleaning of evaporator 1 is caused to be increased beyond setting when unusual service condition occurs in U-shaped overflow pipe 10 During level value, the blowdown internally piloted valve 14 on Closed Drain pipeline 12 is opened in the automatic interlock of high liquid level warning device, until liquid level drops Blowdown internally piloted valve 14 is automatically switched off during to setting value.
During checking maintenance, can pass through open nitrogen purge facility on air inlet internally piloted valve 8, nitrogen successively Jing air inlet pipe 7, Water seal water washing tank top inlet pipe 17 enters vertical water seal water cleaning of evaporator 1, realizes the nitrogen purging of vertical water seal water washing tank 1. After vertical water seal water cleaning of evaporator 1 completes nitrogen purging work, blowoff valve 18 is opened, vertical water can be excluded by overhauling blow-off line 13 Rust in water shutoff cleaning of evaporator 1 is miscellaneous and precipitate.
Daily Round Check and maintenance for convenience, can also arrange visor on U-shaped overflow pipe 10 and Closed Drain pipeline 12.
Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality Scheme after type simple transformation belongs to protection domain of the present utility model.

Claims (9)

1. a kind of water seal water washing device of fuel gas recovery system, mainly by water supply system, water wash system and overflow system group Into water supply system is connected with the top of water wash system, and overflow system is connected with the bottom of water wash system, and water supply system includes Water inlet pipe, arranges bypass restriction orifice and inlet self-control valve on water inlet pipe, bypass restriction orifice is arranged in parallel with inlet self-control valve, It is characterized in that:The water seal water washing device of the fuel gas recovery system is also included to gas system and water seal water washing tank top inlet Pipe, water wash system is mainly by spray facility, combustible gas inlet pipe, fuel gas standpipe, fuel gas outlet and vertical water Water shutoff cleaning of evaporator is constituted, and spray facility is constituted by spraying supervisor, spray arm and spraying ring pipe, spraying ring pipe a diameter of 40~ 80mm, accounts for immediately below spraying ring pipe and be axially provided with 5~15 row's sieve apertures along spraying ring pipe on the area of spraying ring pipe 1/3, give gas system System includes air inlet pipe, and air inlet internally piloted valve is provided with air inlet pipe, and water inlet pipe and air inlet pipe are respectively by entering at the top of water seal water washing tank Mouth pipe is connected with spray supervisor upper end, and spray is responsible for lower end and is connected with spraying ring pipe by spraying arm, and supervisor is perpendicular for spray It is straight to arrange, spray arm and spraying ring pipe is horizontally disposed with, spraying ring pipe is arranged in above combustible gas inlet pipe and combustible gas Between below body outlet.
2. the water seal water washing device of a kind of fuel gas recovery system according to claim 1, it is characterised in that:The spray Facility and fuel gas standpipe are drenched in vertical water water shutoff cleaning of evaporator, spray facility, can at the top of vertical water seal water cleaning of evaporator Combustion gas riser below spray facility, be fixed on vertical water seal water cleaning of evaporator tank skin, combustible gas by fuel gas standpipe upper end Under body lower riser end insertion water seal liquid level.
3. the water seal water washing device of a kind of fuel gas recovery system according to claim 1, it is characterised in that:The sieve Bore dia is 1~5mm.
4. the water seal water washing device of a kind of fuel gas recovery system according to claim 1, it is characterised in that:It is described to overflow Streaming system is mainly made up of U-shaped overflow pipe, and one end of U-shaped overflow pipe is connected with vertical water seal water cleaning of evaporator bottom, U-shaped overflow pipe The other end and vertical water seal water cleaning of evaporator bottom be connected with Closed Drain pipeline respectively.
5. the water seal water washing device of a kind of fuel gas recovery system according to claim 1, it is characterised in that:It is described can Combustion gas body lower riser end identity distance is 500~1000mm from vertical water seal water cleaning of evaporator bottom bulkhead tangent line distance h3.
6. the water seal water washing device of a kind of fuel gas recovery system according to claim 1, it is characterised in that:The spray It is 600~2000mm to drench distributor apart from the height h2 of combustible gas inlet pipe.
7. the water seal water washing device of a kind of fuel gas recovery system according to claim 1 or 6, it is characterised in that:Institute It is 1000~1200mm that spray distributor is stated apart from the height h2 of combustible gas inlet pipe.
8. the water seal water washing device of a kind of fuel gas recovery system according to claim 1, it is characterised in that:The spray It is 200~1000mm to drench distributor apart from the height h1 of fuel gas outlet.
9. the water seal water washing device of a kind of fuel gas recovery system according to claim 1 or 8, it is characterised in that:Institute It is 500~600mm that spray distributor is stated apart from the height h1 of fuel gas outlet.
CN201620924746.6U 2016-08-23 2016-08-23 A kind of water seal water washing device of fuel gas recovery system Active CN206045670U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620924746.6U CN206045670U (en) 2016-08-23 2016-08-23 A kind of water seal water washing device of fuel gas recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620924746.6U CN206045670U (en) 2016-08-23 2016-08-23 A kind of water seal water washing device of fuel gas recovery system

Publications (1)

Publication Number Publication Date
CN206045670U true CN206045670U (en) 2017-03-29

Family

ID=58383904

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620924746.6U Active CN206045670U (en) 2016-08-23 2016-08-23 A kind of water seal water washing device of fuel gas recovery system

Country Status (1)

Country Link
CN (1) CN206045670U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115949889A (en) * 2023-02-24 2023-04-11 新疆八一钢铁股份有限公司 Safe novel high-pressure gas drainer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115949889A (en) * 2023-02-24 2023-04-11 新疆八一钢铁股份有限公司 Safe novel high-pressure gas drainer

Similar Documents

Publication Publication Date Title
CN205700102U (en) A kind of exhaust gas purification and treatment device of band gas washing function
CN209423325U (en) A kind of high-efficiency spray tower
CN104707446B (en) A kind of spray process abatement equipment of industrial waste gas
CN206045670U (en) A kind of water seal water washing device of fuel gas recovery system
CN201609621U (en) Spray tower for dry-method dust removal of coal gas
CN205965363U (en) Combustible gas recovery system's water seal water washing device
CN207823473U (en) Circle irrigation system
CN203886361U (en) Rubber powder water spin splitting removal device
CN107158849A (en) A kind of torch gas water washing device
CN201496095U (en) Spray purifying device
CN208389482U (en) A kind of cyclonic separation dust-laden pre-processing device of exhaust gas containing coating cloud
CN202708575U (en) Back-pressure prevention drainage device
CN104403699B (en) One kind is used for coke oven sample gas pre-processing device
CN204265713U (en) A kind of for coke oven sample gas pre-processing device
CN203763959U (en) Filter free from cleaning
CN210699444U (en) Modularization blast furnace gas dechlorination device
CN208642142U (en) A kind of high-pressure water-spray dust removal device
CN207371187U (en) A kind of backwash desulfurization lean solution filter
CN208082148U (en) A kind of chloropropyl alcohol acidic tail gas absorbing device
CN204543957U (en) A kind of spray abatement equipment of industrial waste gas
CN205235533U (en) Desulfurizing slurry pipeline debris remove device
CN205372084U (en) Vertical solid defoaming agent filling device
CN206867837U (en) A kind of y-type filter pollution discharge structure
CN203017842U (en) Back-flushing filter station
CN203891971U (en) Automobile tail gas absorbing filter capable of recycling suction filtrate

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant