CN108929724A - A kind of multitube segment difference pressure type grease platoon device - Google Patents

A kind of multitube segment difference pressure type grease platoon device Download PDF

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Publication number
CN108929724A
CN108929724A CN201811081404.2A CN201811081404A CN108929724A CN 108929724 A CN108929724 A CN 108929724A CN 201811081404 A CN201811081404 A CN 201811081404A CN 108929724 A CN108929724 A CN 108929724A
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China
Prior art keywords
water separator
oil water
gas
pipeline
liquid level
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CN201811081404.2A
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CN108929724B (en
Inventor
陈肖飞
贾越
贾小强
郭晨波
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Shaanxi Black Cat Coking Co Ltd
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Shaanxi Black Cat Coking Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/002Removal of contaminants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00Pipe-line systems
    • F17D1/005Pipe-line systems for a two-phase gas-liquid flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00Arrangements for supervising or controlling working operations
    • F17D3/01Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Pipeline Systems (AREA)

Abstract

The invention discloses a kind of multi-pipeline differential pressure type grease platoon devices, including gas chamber, gas chamber gas exit is connected to multiple coal gas main pipelines with different pressures, the gas exit of each coal gas main pipeline is connected to oil water separator, the gaseous phase outlet of oil water separator is connected to the gas entry of gas chamber, and the liquid-phase outlet of oil water separator is connected to grease collecting pit;Pressure interlock control valve and liquid level chain control valve are separately installed on the gaseous phase outlet and liquid-phase outlet of oil water separator;The present invention solve manually right place valve opening blowdown non-timely and no thoroughness, avoid coal gas from being directly discharged into atmosphere and cause environmental pollution and personnel's operation safety problem.

Description

A kind of multitube segment difference pressure type grease platoon device
[technical field]
The invention belongs to gas purification processing technology fields in coal chemical industry, and in particular to a kind of multi-pipeline differential pressure type grease company Arranging device.
[background technique]
When coal gas conveys in the duct, some of saturated vapors and mechanical water can be separated.Conveyed to coal gas, The use of gas piping facility and user bring adverse effect.Currently, chemical field coal gas grease blowdown apparatus is by gas liquor Envelope realizes discharge grease, sealing coal gas by water seal height and insertion tube depth, but this type gas water sealing device exists very More limitations, firstly, this type water seal is only applicable to the lower situation of pipeline pressure, once pipeline pressure is slightly larger, water in water seal Height would become hard to control (10cm water seal=1kPa), often pipeline pressure is higher for chemical field, therefore, old-fashioned water seal because limitation Property is not available.Secondly, each section of grease blowdown of old device needs artificial timing, the manually opened sewage draining valve of fixed point to carry out grease row Dirt, leads to pipeline memory oil accumulation water, after entrainment, generates and passs to adsorbent, the efficiency of catalyst and service life in rear system tower Subtract, while bringing into inside compressor assembly and generating brilliant dirt, influences the working efficiency and service life of compressor.Again, old-fashioned oil Coal gas in grease is directly discharged atmosphere by water blowdown, pollutes environment, and the theory carried out production strictly in line with rules and regulations with cleaning is not inconsistent;During blowdown Coal gas is expelled directly out as danger source, meets open fire and kindling, explosion easily occurs, meet the poor environment of air circulation and personnel is easily caused to inhale Enter poisoning to threaten.
[summary of the invention]
The object of the present invention is to provide a kind of multi-pipeline differential pressure type grease platoon devices, solve manually right place Valve opening blowdown non-timely and no thoroughness, avoid coal gas from being directly discharged into atmosphere and environmental pollution and personnel's operation safety caused to ask Topic.
The invention adopts the following technical scheme: a kind of multi-pipeline differential pressure type grease platoon device, including gas chamber, gas chamber Gas exit is connected to multiple coal gas main pipelines with different pressures, and the gas exit of each coal gas main pipeline is connected to oil Separator, the gaseous phase outlet of oil water separator are connected to the gas entry of gas chamber, the liquid-phase outlet connection of oil water separator To grease collecting pit;
Pressure sensor and liquid level sensor, the pipeline between oil water separator and gas chamber are installed on oil water separator Automatic regulating valve, pressure sensor and level sensing are mounted on pipeline between upper, oil water separator and grease collecting pit Signal connects device between corresponding automatic regulating valve respectively, and pressure sensor is used to measure the pressure in oil water separator, and Measure pressure reach preset value when send a signal to corresponding automatic regulating valve so that corresponding automatic regulating valve open and incite somebody to action Coal gas in oil water separator is delivered to the gas entry of gas chamber;Liquid level sensor is used to measure the liquid in oil water separator Position, and corresponding automatic regulating valve is sent a signal to when measuring liquid level and reaching preset value, so that corresponding automatic regulating valve is opened It opens and the liquid in oil water separator is delivered to grease collecting pit.
Further, the differential pressure of coal gas main pipeline and oil water separator is 0.15~0.2MPa.
Further, the liquid level preset value of liquid level sensor is that oil water separator expires the 30%~45% of liquid level.
Further, between each coal gas main pipeline and oil water separator, the front and back end of automatic regulating valve is mounted on and puts Empty showering guilding valve and on the spot pressure gauge.
The beneficial effects of the present invention are: effectively being recycled the coal-gas recovering in grease by oil water separator, avoid Coal gas is directly discharged in atmosphere, is realized that cleaning is carried out production strictly in line with rules and regulations, is protected environment, utilize two-stage pressure difference, liquid level chain control valve Continual grease blowdown in 24 hours and coal-gas recovering are realized with pressure interlock control valve, not by the daily production process in chemical plant In pipeline pressure limitation, avoid pipeline internal water accumulation caused by manually right place valve opening blowdown, ensure that gas Purification and compressor, the normal operation of supercharger and service life.
[Detailed description of the invention]
Fig. 1 is the structural diagram of the present invention.
Wherein: 1. coal gas main pipelines;2. gas chamber;3. automatic regulating valve;5. oil water separator;6. grease collecting pit;7. Emptying guiding shower valve;8. pressure sensor;9. liquid level sensor.
[specific embodiment]
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of multi-pipeline differential pressure type grease platoon device, as shown in Figure 1, including gas chamber 2, gas chamber 2 is for storing Coal gas, coal gas is supplied for each workshop, therefore, gas exit is connected to multiple coals with different pressures after being pressurized Gas main pipeline 1, and the gas exit of each coal gas main pipeline 1 is connected to oil water separator 5.
The gaseous phase outlet of oil water separator 5 is connected to the gas entry of gas chamber 2, and is equipped with pressure on its gaseous phase outlet Sensor 8, is also equipped with automatic regulating valve 3 on the pipeline between oil water separator 5 and gas chamber 2, pressure sensor 8 and automatic The connection of 3 signal of regulating valve, both pressure sensor 8 and automatic regulating valve 3 establish pressure automatic linkage logic control water-oil separating 5 pressure of device, and open to enter the coal gas that the coal gas in oil water separator 5 is delivered to gas chamber when measuring pressure and reaching preset value Mouthful.
Can be with the pressure value in real-time detection oil water separator 5 by pressure sensor 8, and reach default in measurement pressure Automatic regulating valve 3 is sent a signal to when value, so that automatic regulating valve 3 automatically turns on and passes through the coal gas in oil water separator 5 Conveyance conduit is delivered to the gas entry of gas chamber 2.In order to guarantee that oil water separator 5 adequately separates the oil in coal gas with water Out, it is necessary to certain differential pressure is kept between coal gas main pipeline 1 and oil water separator 5, differential pressure is 0.15~0.2MPa time-division It is best from effect.
Liquid level sensor 9 is installed, between oil water separator 5 and grease collecting pit 6 on the liquid-phase outlet of oil water separator 5 Pipeline on be also equipped with automatic regulating valve 3, liquid level sensor 9 is used to measure the liquid level in oil water separator 5, liquid level sensor 9 are used to measure the liquid level in oil water separator 5 with automatic regulating valve 3, and open when liquid level reaches preset value by grease Liquid in separator 5 is delivered to grease collecting pit 6.Signal connects between liquid level sensor 9 and automatic regulating valve 3, and liquid level passes Sensor 9 is used to measure grease liquid level in oil water separator 5, and sends a signal to when liquid level reaches preset value corresponding automatic Regulating valve 3, so that corresponding automatic regulating valve 3 is opened and the liquid in oil water separator 5 is delivered to grease collecting pit 6.For Guarantee the normal work of oil water separator 5, the liquid level preset value of liquid level sensor 9 is that oil water separator 5 expires the 30% of liquid level ~45%.
In addition, later maintenance for convenience, between each coal gas main pipeline 1 and oil water separator 5, automatic regulating valve 3 Front and back end is mounted on emptying guiding shower valve 7 and on the spot pressure gauge.
The liquid-phase outlet of oil water separator 5 is connected to grease collecting pit 6, by being precipitated in grease collecting pit 6, into One step purifies water, recycling.
A kind of multi-pipeline differential pressure type grease platoon device of the invention, be it is a set of be able to achieve 24 hours grease centralized recoveries and Gas recycling and reusing, the grease blowdown apparatus for realizing clean manufacturing.Coal gas category toxic and harmful gas meets open fire and easily explodes, Centralized recovery effectively protects the health of operation safety Yu post employee, meanwhile, the coal gas of recycling is again introduced into coal gas Cabinet realizes the cost efficiency of production.
The present invention realizes multiple equipment and multiple small pressure difference pipeline water-oil separatings, the gas after depressurizing simultaneously under the conditions of differential pressure It mutually flashes secondary pressure and oil-water separation is delivered to grease collecting pit 6, gas is recycled to gas chamber low-pressure pipe network and is recycled, most Realize oil water separator simultaneously to the full-automatic chain draining gas collection of multiple pipelines eventually.
As shown in Figure 1, unstripped gas comes from gas chamber, into 4 equipment pipes, due to the presence of resistance, pipeline pressure meeting It is gradually reduced, from top to bottom the pressure of every pipeline is respectively 0.3MPa, 0.29MPa, 0.28MPa, 0.25MPa, is produced in pipeline Raw grease enters oil water separator 5 at any time, and gas phase portion is monitored by pressure sensor 8, when pressure is higher than in oil water separator 5 0.08MPa is automatically opened by logic theory automatic regulating valve 3, and coal gas enters gas chamber recycling, solves gas in grease The problem of being directly discharged to atmosphere.Liquid phase part is monitored by liquid level sensor 9, when liquid level reaches 30% in oil water separator 5, is led to It crosses logic theory control automatic regulating valve to automatically open, grease enters grease collecting pit 6, and solving blowdown need to manually open The problem of valve, grease accumulates.
Grease and impurity that can in time in thorough exhaust apparatus pipeline by 5 one side of oil water separator, on the other hand may be used The coal gas in grease has effectively been recycled, has realized that resources circulation recycles, protection environment and staff's health solve frequency elimination The labour of numerous artificial drainage makes effective guarantee for Safe production of chemical industry.

Claims (4)

1. a kind of multi-pipeline differential pressure type grease platoon device, which is characterized in that including gas chamber (2), gas chamber (2) coal gas Outlet is connected to multiple coal gas main pipelines (1) with different pressures, and the gas exit of each coal gas main pipeline (1) connects It is connected to oil water separator (5), the gaseous phase outlet of the oil water separator (5) is connected to the gas entry of gas chamber (2), the oil The liquid-phase outlet of separator (5) is connected to grease collecting pit (6);
Pressure sensor (8) and liquid level sensor (9) be installed on the oil water separator (5), the oil water separator (5) and Automatic tune is mounted on pipeline on pipeline between gas chamber (2), between oil water separator (5) and grease collecting pit (6) It saves valve (3), signal connects between corresponding automatic regulating valve (3) respectively for the pressure sensor (8) and liquid level sensor (9) It connects, the pressure sensor (8) is used to measure the pressure in oil water separator (5), and the hair when measuring pressure and reaching preset value The number of delivering letters is to corresponding automatic regulating valve (3), so that corresponding automatic regulating valve (3) is opened and will be in oil water separator (5) Coal gas is delivered to the gas entry of gas chamber (2);The liquid level sensor (9) is used to measure the liquid level in oil water separator (5), And corresponding automatic regulating valve (3) is sent a signal to when measuring liquid level and reaching preset value, so that corresponding automatic regulating valve (3) It opens and the liquid in oil water separator (5) is delivered to grease collecting pit (6).
2. a kind of multi-pipeline differential pressure type grease platoon device as described in claim 1, which is characterized in that the coal gas main pipeline (1) and the differential pressure of oil water separator (5) is 0.15~0.2MPa.
3. a kind of multi-pipeline differential pressure type grease platoon device as claimed in claim 1 or 2, which is characterized in that the liquid level passes The liquid level preset value of sensor (9) is the 30%~45% of oil water separator (5) full liquid level.
4. a kind of multi-pipeline differential pressure type grease platoon device as claimed in claim 3, which is characterized in that each coal gas master Between pipeline (1) and oil water separator (5), the front and back end of automatic regulating valve (3) is mounted on emptying guiding shower valve (7) and presses on the spot Power table.
CN201811081404.2A 2018-09-17 2018-09-17 Multi-section differential pressure type oil-water continuous drainage device Active CN108929724B (en)

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Application Number Priority Date Filing Date Title
CN201811081404.2A CN108929724B (en) 2018-09-17 2018-09-17 Multi-section differential pressure type oil-water continuous drainage device

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Application Number Priority Date Filing Date Title
CN201811081404.2A CN108929724B (en) 2018-09-17 2018-09-17 Multi-section differential pressure type oil-water continuous drainage device

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CN108929724B CN108929724B (en) 2023-12-05

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160652A (en) * 1977-08-26 1979-07-10 Texas Eastern Engineering, Ltd. Method and apparatus for handling the fluids in a two-phase flow pipeline system
SU1395811A1 (en) * 1986-10-27 1988-05-15 Казанское научно-производственное объединение "Нефтепромавтоматика" Installation for joint conveying of oil-containing liquid and gas
CN101036847A (en) * 2007-02-12 2007-09-19 中冶集团北京冶金设备研究设计总院 Device for purifying air by eliminating smoke and dust and the technique thereof
CN202705391U (en) * 2012-07-25 2013-01-30 济钢集团国际工程技术有限公司 Off-line gas recovery device for gas cabinet of converter
CN104359005A (en) * 2014-11-10 2015-02-18 河南中鸿集团煤化有限公司 Automatic recycling device for discharged gas
CN204897958U (en) * 2015-09-02 2015-12-23 昆明钢铁集团有限责任公司 Converter coal gas recovery system with pressure measurement function is stabilized to high accuracy
CN105907915A (en) * 2016-04-21 2016-08-31 中冶东方工程技术有限公司 System and process of recycling and utilizing converter gas
CN207085625U (en) * 2017-06-14 2018-03-13 唐山钢铁集团有限责任公司 A kind of coking device for recovering tail gas of achievable zero-emission
CN208949212U (en) * 2018-09-17 2019-06-07 陕西黑猫焦化股份有限公司 A kind of multitube segment difference pressure type grease platoon device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160652A (en) * 1977-08-26 1979-07-10 Texas Eastern Engineering, Ltd. Method and apparatus for handling the fluids in a two-phase flow pipeline system
SU1395811A1 (en) * 1986-10-27 1988-05-15 Казанское научно-производственное объединение "Нефтепромавтоматика" Installation for joint conveying of oil-containing liquid and gas
CN101036847A (en) * 2007-02-12 2007-09-19 中冶集团北京冶金设备研究设计总院 Device for purifying air by eliminating smoke and dust and the technique thereof
CN202705391U (en) * 2012-07-25 2013-01-30 济钢集团国际工程技术有限公司 Off-line gas recovery device for gas cabinet of converter
CN104359005A (en) * 2014-11-10 2015-02-18 河南中鸿集团煤化有限公司 Automatic recycling device for discharged gas
CN204897958U (en) * 2015-09-02 2015-12-23 昆明钢铁集团有限责任公司 Converter coal gas recovery system with pressure measurement function is stabilized to high accuracy
CN105907915A (en) * 2016-04-21 2016-08-31 中冶东方工程技术有限公司 System and process of recycling and utilizing converter gas
CN207085625U (en) * 2017-06-14 2018-03-13 唐山钢铁集团有限责任公司 A kind of coking device for recovering tail gas of achievable zero-emission
CN208949212U (en) * 2018-09-17 2019-06-07 陕西黑猫焦化股份有限公司 A kind of multitube segment difference pressure type grease platoon device

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