CN105585088B - Torch unit effluent cycle system - Google Patents

Torch unit effluent cycle system Download PDF

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Publication number
CN105585088B
CN105585088B CN201510977804.1A CN201510977804A CN105585088B CN 105585088 B CN105585088 B CN 105585088B CN 201510977804 A CN201510977804 A CN 201510977804A CN 105585088 B CN105585088 B CN 105585088B
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China
Prior art keywords
water
tank
sealed tank
water sealed
sru
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CN105585088A (en
Inventor
杨红波
黄斌
国金华
罗春桃
井云环
刘春萌
潘强
吴跃
杨磊
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Shenhua Group Corp Ltd
Shenhua Ningxia Coal Industry Group Co Ltd
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Shenhua Group Corp Ltd
Shenhua Ningxia Coal Industry Group Co Ltd
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Priority to CN201510977804.1A priority Critical patent/CN105585088B/en
Publication of CN105585088A publication Critical patent/CN105585088A/en
Application granted granted Critical
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)

Abstract

The present invention provides a kind of torch unit effluent cycle system, including elevator pump under high-pressure gas-liquid knockout drum, low-pressure gas-liquid knockout drum and SRU knockout drums, high pressure flare water sealed tank, low pressure flare water sealed tank, SRU torches water sealed tank, contaminated rain water pond and liquid;Contaminated rain water pond is for receiving industry water and the overflow water from the high pressure flare water sealed tank, low pressure flare water sealed tank and SRU torch water sealed tanks;Elevator pump is used to the water in contaminated rain water pond being delivered to the high pressure flare water sealed tank, low pressure flare water sealed tank and SRU torch water sealed tanks under liquid.The torch unit sewage disposal system of present invention water seal water can be recycled, reduces wastewater disposition at the loss that can reduce industry water, mitigates the load of follow-up water treatment system.

Description

Torch unit effluent cycle system
Technical field
The invention belongs to coal chemical technology, especially a kind of torch unit sewage disposal system.
Background technology
Currently, coal chemical technology is to use torch storm-water system to the processing of torch unit sewage, it is by high pressure flare gas Gas-liquid separation is carried out by high-pressure gas-liquid knockout drum, out-of-bounds incinerator unit, the gas isolated pass through the liquid venting isolated It is sent to torch burning system after crossing high pressure water seal tank water-bath washing;Low-pressure flare gas is subjected to gas-liquid by low-pressure gas-liquid knockout drum Separation, out-of-bounds incinerator unit, the gas isolated are sent to the liquid venting isolated after low pressure water sealed tank water-bath washing Torch burning system;SRU (SRU refers to sulfur recovery unit) torch gas is subjected to gas-liquid separation, separation by SRU knockout drums Out-of-bounds incinerator unit, the gas isolated are sent to torch burning system to the liquid venting gone out after SRU water sealed tank water-bath washings System.This torch storm-water system, the water that overflow goes out from three water sealed tanks are immediately discharged to sewage disposal system, cause sewage disposal Difficulty increases, and environmental pollution is more serious.
Shen Ning groups coal to olefin project improves torch storm-water system in driving initial operating stage, by torch list Each water sealed tank overflow water of member is collected to contaminated rain water slot, is then emitted into sewage disposal system through contaminated rain water pump.But because of test run Period, each device torch gas discharge capacity was big, and COD and oil content are higher in discharge gas, and COD and oil in water sealed tank overflow water is caused to contain Amount is more than Con trolling index, and a large amount of sewage drains into sewage disposal system, sewage disposal difficulty is caused to greatly improve.
Currently, domestic torch contaminated rain water processing system is to use above-mentioned technique mostly, it is big to result in blowdown flow rate in this way, water The problems such as processing system difficulty is big, load is high.
Invention content
The purpose of the present invention is to provide a kind of torch unit sewage disposal systems, which can It recycles water seal water, the loss that industry water can be reduced, reduce wastewater disposition, after reducing the difficulty of water treatment system, mitigation The load of continuous water treatment system.
The technical scheme is that be accomplished by the following way:
A kind of torch unit effluent cycle system, including high-pressure gas-liquid knockout drum, low-pressure gas-liquid knockout drum and SRU gas-liquids point From elevator pump under tank, high pressure flare water sealed tank, low pressure flare water sealed tank, SRU torches water sealed tank, contaminated rain water pond and liquid;
The high-pressure gas-liquid knockout drum is used to carry out gas-liquid separation to the high pressure flare gas from high pressure flare system, and will Isolated liquid is delivered to incinerator unit;
The high pressure flare water sealed tank is for being washed and being delivered to the gas from the high-pressure gas-liquid knockout drum Torch burning system;
The low-pressure gas-liquid knockout drum is used to carry out gas-liquid separation to the low-pressure flare gas from low pressure flare system, and will Isolated liquid is delivered to incinerator unit;
The low pressure flare water sealed tank is for being washed and being delivered to the gas from the low-pressure gas-liquid knockout drum Torch burning system;
The SRU knockout drums are used to carry out gas-liquid separation to the SRU torch gas from SRU flare systems, and will divide It is delivered to incinerator unit from obtained liquid;
The SRU torches water sealed tank is for washing the gas from the SRU knockout drums and being delivered to fire Torch combustion system;
The contaminated rain water pond for receive industry water and from the high pressure flare water sealed tank, low pressure flare water sealed tank and The overflow water of SRU torch water sealed tanks;
Elevator pump is used to the water in the contaminated rain water pond being delivered to the high pressure flare water sealed tank, low pressure under the liquid Torch water sealed tank and SRU torch water sealed tanks.
Preferably, sewage treatment unit and tank are provided in the contaminated rain water pond;
The sewage treatment unit is for receiving industry water and from the high pressure flare water sealed tank, low pressure flare water sealed tank With the overflow waters of SRU torch water sealed tanks and it is handled to remove pollutant;
The tank measures adjusting for receiving the water from the sewage treatment unit and carrying out homogeneous to it;
Elevator pump is used to the water of the tank being delivered to the high pressure flare water sealed tank, low pressure flare water under the liquid Sealed cans and SRU torch water sealed tanks.
Preferably, the sewage treatment unit includes settling tank, and the settling tank is for receiving industry water and from described High pressure flare water sealed tank, the overflow water of low pressure flare water sealed tank and SRU torch water sealed tanks simultaneously settle to remove solid it Pollutant.
Preferably, the settling tank includes level-one settling tank and two level settling tank;
The level-one settling tank for receive industry water and from the high pressure flare water sealed tank, low pressure flare water sealed tank and The overflow water of SRU torch water sealed tanks simultaneously settles to remove solid pollutant it;
The two level settling tank is for receiving the overflow water from the level-one settling tank and being settled to it to remove Remaining solid pollutant.
Preferably, the sewage treatment unit further includes grease removal tank and oil scavenge pump;
The grease removal tank is for receiving the overflow water from the settling tank and stratification;
The oil scavenge pump is used to absorb the oiliness pollutant for being located at upper oil phase in the water in the grease removal tank.
Preferably, the grease removal tank bottom is provided with bubbling mechanism;
The bubbling mechanism is described to accelerate for receiving the gas from ventilation pipe and discharging it in grease removal tank The water-oil separating of oil removing pool inner water.
Preferably, the bubbling mechanism is coil pipe or air bag with multiple stomatas.
Preferably, the sewage treatment unit further includes biochemical treatment tank;
The biochemical treatment tank is for receiving the water from the grease removal tank and carrying out biochemical treatment to it to remove wherein COD pollutants.
Preferably, the pool wall bottom that the grease removal tank and biochemical treatment tank share be provided with for water by channel.
The beneficial effects of the present invention are:
(1) torch unit effluent cycle system of the invention, by sending the water in contaminated rain water pond into each water sealed tank Water seal water is done, and the overflow water in each water sealed tank is made to be back in contaminated rain water pond, realizes the cycle profit of torch unit sewage With, on the one hand reduce and directly arrange the sewage in water seal water or contaminated rain water pond outside to pressure caused by sewage disposal system, The load of sewage disposal system is alleviated, the loss of industry water is on the other hand decreased;
(2) due to containing pollutant in industry water in itself, and also contain exceeded COD in the overflow water from each water sealed tank With oiliness pollutant, therefore water in contaminated rain water pond is repeatedly after cycle, continues to be sent to each water sealed tank and does water seal water washing From the gas of each knockout drum when, can not only lose cleaning function, and secondary pollution can be caused;By in contaminated rain water pond Middle setting sewage treatment unit and tank, the water in contaminated rain water pond is handled, and will converge at tank after processing In water when being sent to each water sealed tank and doing water seal water, the gas from each knockout drum can effectively be washed, be achieved in The cycle of torch unit sewage reduces the processing load of sewage disposal system;
(3) settling tank, the especially setting in Multistage settling pond can be settled effectively with except the solid pollution in decontaminated water Object;
(4) setting of grease removal tank and oil scavenge pump can absorb the oiliness pollutant in sewage;
(5) it is bubbled the setting of mechanism, helps that the sewage in input grease removal tank will be stirred, further speeds up the grease of sewage Separation, is conducive to more thoroughly remove the oiliness pollutant in sewage in grease removal tank;
(6) setting of biochemical treatment tank can remove the COD pollutants in sewage;
(7) the pool wall bottom that grease removal tank and biochemical treatment tank share be provided with for water by channel, channel is arranged In pool wall bottom, it can prevent the oil phase in grease removal tank from entering subsequent biochemical treatment tank, ensure the removal to oiliness pollutant.
Description of the drawings
Fig. 1 is the flow chart of the torch unit effluent cycle system of the present invention in one embodiment;
Fig. 2 is the structural schematic diagram in the contaminated rain water pond of the present invention in one embodiment.
Specific implementation mode
Technical solution of the present invention and its effect are described further below by way of specific embodiment.Following embodiment is only used In illustrating present disclosure, the protection domain that is not intended to restrict the invention.The present invention is carried out using the design of the present invention It is simple change all in the scope of protection of present invention.
A kind of torch unit effluent cycle system, as shown in Figure 1, including high-pressure gas-liquid knockout drum 3, low-pressure gas-liquid knockout drum 5 and SRU knockout drums 7, high pressure flare water sealed tank 4, low pressure flare water sealed tank 6, SRU torches water sealed tank 8, contaminated rain water pond 1 With elevator pump 2 under liquid;
The high-pressure gas-liquid knockout drum 3 is used to carry out gas-liquid separation to the high pressure flare gas from high pressure flare system, and Isolated liquid is delivered to incinerator unit;
The high pressure flare water sealed tank 4 is for being washed and being conveyed to the gas from the high-pressure gas-liquid knockout drum 3 To torch burning system;
The low-pressure gas-liquid knockout drum 5 is used to carry out gas-liquid separation to the low-pressure flare gas from low pressure flare system, and Isolated liquid is delivered to incinerator unit;
The low pressure flare water sealed tank 6 is for being washed and being conveyed to the gas from the low-pressure gas-liquid knockout drum 5 To torch burning system;
The SRU knockout drums 7 are used to carry out gas-liquid separation to the SRU torch gas from SRU flare systems, and will divide It is delivered to incinerator unit from obtained liquid;
The SRU torches water sealed tank 8 is for being washed and being delivered to the gas from the SRU knockout drums 7 Torch burning system;
The contaminated rain water pond 1 is for receiving industry water and from the high pressure flare water sealed tank 4, low pressure flare water sealed tank 6, the overflow water of SRU torches water sealed tank 8;
Under the liquid elevator pump 2 be used for by the water in the contaminated rain water pond 1 be delivered to the high pressure flare water sealed tank 4, Low pressure flare water sealed tank 6 and SRU torches water sealed tank 8.
Elevator pump 2 or other pumps under liquid, as long as it is described to realize that the water by the contaminated rain water pond 1 is delivered to It can be used in high pressure flare water sealed tank 4, low pressure flare water sealed tank 6 and SRU torches water sealed tank 8.
The high pressure flare water sealed tank 4, low pressure flare water sealed tank 6, SRU torches water sealed tank 8 overflow water can pass through setting Trench pipeline be back in the contaminated rain water pond 1.
Since torch gas discharge capacity is big, COD and oil content are higher in discharge gas, lead to each water sealed tank washed to it In water seal water in COD and oil content it is high, COD and oil content are naturally also high in the overflow water of each water sealed tank, at this moment either will The water that overflow goes out from each water sealed tank of torch unit is immediately discharged to sewage disposal system, or overflowing each water sealed tank of torch unit Flowing water is collected to contaminated rain water pond, is then emitted into sewage disposal system through contaminated rain water pump, all can be to subsequent sewage disposal System causes larger pressure, and sewage disposal system load is high, and sewage disposal difficulty is big;And the overflow water of each water sealed tank is collected To contaminated rain water pond, and it is recycled the water seal water as each water sealed tank again, then realizes recycling for sewage, reduce Discharge of the sewage to sewage disposal system, reduces the pressure of sewage disposal system.
In one embodiment, sewage treatment unit and tank 11 are provided in the contaminated rain water pond 1;
The sewage treatment unit is for receiving industry water and from the high pressure flare water sealed tank 4, low pressure flare water seal Tank 6, the overflow water of SRU torches water sealed tank 8 are simultaneously handled to remove pollutant it;
The tank 11 measures adjusting for receiving the water from the sewage treatment unit and carrying out homogeneous to it;
Elevator pump 2 is used to the water of the tank 11 being delivered to the high pressure flare water sealed tank 4, low pressure fire under the liquid Torch water sealed tank 6 and SRU torches water sealed tank 8.
Due to containing pollutant in industry water in itself, and also contain in the overflow water from each water sealed tank exceeded COD and Oiliness pollutant, therefore water in contaminated rain water pond is repeatedly after cycle continues to be sent to each water sealed tank and does water seal water washing and come from When the gas of each knockout drum, cleaning function can be not only lost, and secondary pollution can be caused;By in contaminated rain water pond Sewage treatment unit and tank are set, the sewage in contaminated rain water pond is continuously subjected to sewage disposal in cyclic process, And will treated that water is sent to each water sealed tank when doing water seal water, the gas from each knockout drum can effectively be washed, It is achieved in the cycle of torch unit sewage, reduces the processing load of subsequent sewage disposal system.
In one embodiment, the sewage treatment unit includes settling tank 12;
The settling tank 12 for receive industry water and from the high pressure flare water sealed tank 4, low pressure flare water sealed tank 6, The overflow water of SRU torches water sealed tank 8 simultaneously settles to remove solid pollutant it.
In one embodiment, the settling tank 12 includes level-one settling tank 121 and two level settling tank 122;
The level-one settling tank 121 is for receiving industry water and from the high pressure flare water sealed tank 4, low pressure flare water seal Tank 6, the overflow water of SRU torches water sealed tank 8 simultaneously settle to remove solid pollutant it;
The two level settling tank 122 is for receiving the overflow water from the level-one settling tank 121 and being settled to it To remove remaining solid pollutant.
Settling tank may be configured as Multistage settling pond.
The setting in Multistage settling pond can make the removal of solid pollutant in sewage more thorough.
In one embodiment, the water outlet pool wall upper edge of settling tank, is provided with downflow weir.
The setting of downflow weir can be such that the sewage in settling tank equably overflows.
In one embodiment, the sewage treatment unit further includes grease removal tank 13 and oil scavenge pump 131;
The grease removal tank 13 is for receiving the overflow water from the settling tank 12 and stratification;The lower layer of grease removal tank 13 For water phase, upper layer is oil phase;
The oil scavenge pump 131 is used to absorb the oiliness pollutant for being located at upper oil phase in the water in the grease removal tank 13.
The removal of oiliness pollutant in grease removal tank 13 can also use asphalt felt, oil suction pillow etc. to carry out oiliness pollutant Absorption is to remove.
In one embodiment, 13 bottom of the grease removal tank, which is provided with, is bubbled mechanism 132.
In one embodiment, the bubbling mechanism 132 is coil pipe or air bag with multiple stomatas.
The bubbling mechanism 132 for receives the gas from ventilation pipe 133 and it is discharged in the grease removal tank 13 with Accelerate the water-oil separating of water in the grease removal tank 13.
The mechanism 132 or other of being bubbled has the structure for being bubbled effect.
In one embodiment, the sewage treatment unit further includes biochemical treatment tank 14;
The biochemical treatment tank 14 is for receiving the water from the grease removal tank 13 and carrying out biochemical treatment to it to remove COD pollutants therein.
Biochemical treatment tank gives birth to the sewage through removing solid pollutant and oiliness pollutant using biochemical method Change is handled, and removes COD pollutants therein, and biochemical treatment may be selected using activated sludge etc..
In one embodiment, the pool wall bottom that the grease removal tank 13 is shared with biochemical treatment tank 14 is provided with for water By channel.As shown in Figure 2.
By for water by channel be set to pool wall lower part, can prevent the oiliness in 13 upper oil phase of grease removal tank from polluting Object enters biochemical treatment tank 14, ensures the removal effect to oiliness pollutant.
As shown in Figure 1, 2, the high pressure flare gas of high pressure flare system carries out gas-liquid point through the high-pressure gas-liquid knockout drum 3 From isolated liquid is delivered to incinerator unit, and isolated gas inputs the high pressure flare water sealed tank 4, and passes through It is delivered to torch burning system after water seal water washing in high pressure flare water sealed tank 4;The low-pressure flare gas of low pressure flare system passes through The low-pressure gas-liquid knockout drum 5 carries out gas-liquid separation, and isolated liquid is delivered to incinerator unit, isolated gas The low pressure flare water sealed tank 6 is inputted, and torch burning is delivered to after the water seal water washing in the low pressure flare water sealed tank 6 System;The SRU torch gas of SRU flare systems carries out gas-liquid separation through the SRU knockout drums 7, and isolated liquid is defeated It send to incinerator unit, isolated gas inputs the SRU torches water sealed tank 8, and through the water in SRU torches water sealed tank 8 It is delivered to torch burning system after water shutoff washing;Water seal water after washing gas is respectively from the high pressure flare water sealed tank 4, low pressure It overflow and is back in contaminated rain water pond 1 through trench pipeline in torch water sealed tank 6, SRU torches water sealed tank 8.
Industry water and overflow from the high pressure flare water sealed tank 4, low pressure flare water sealed tank 6, SRU torches water sealed tank 8 Water inputs in the level-one settling tank 121 in contaminated rain water pond 1, carries out level-one sedimentation and overflow, with except the solid dirt in decontaminated water Contaminate object;The sewage that overflow goes out from level-one settling tank 121 enters two level settling tank 122 and carries out two level sedimentation and overflow, with into one Step is except the solid pollutant in decontaminated water;The sewage that overflow goes out from two level settling tank 122 enters grease removal tank 13, passes through snorkel Road 133 inputs gas to the bubbling mechanism 132 for being set to 13 bottom of grease removal tank, and gas is discharged into grease removal tank from mechanism 132 is bubbled Sewage is stirred in sewage in 13, to accelerate the water-oil separating of sewage in grease removal tank 13, oiliness separated from contaminants is made to arrive upper layer Oil phase, and being absorbed the oiliness pollutant of oil phase by oil scavenge pump 131, and the water phase of lower layer then by be set to grease removal tank 13 with The channel of the shared pool wall bottom of biochemical treatment tank 14 enters biochemical treatment tank 14, carries out biochemical treatment and removes COD pollutants;Through Homogeneous is carried out in treated the water overflow to tank 11 of biochemical treatment tank 14 measures adjusting;Water in tank 11 under liquid through carrying It rises pump 2 and is delivered in the high pressure flare water sealed tank 4, low pressure flare water sealed tank 6 and SRU torches water sealed tank 8 and be used as water seal water.

Claims (8)

1. a kind of torch unit effluent cycle system, which is characterized in that detached including high-pressure gas-liquid knockout drum (3), low-pressure gas-liquid Tank (5) and SRU knockout drums (7), high pressure flare water sealed tank (4), low pressure flare water sealed tank (6), SRU torches water sealed tank (8), Elevator pump (2) under contaminated rain water pond (1) and liquid;
The high-pressure gas-liquid knockout drum (3) is used to carry out gas-liquid separation to the high pressure flare gas from high pressure flare system, and will Isolated liquid is delivered to incinerator unit;
The high pressure flare water sealed tank (4) is for being washed and being conveyed to the gas for coming from the high-pressure gas-liquid knockout drum (3) To torch burning system;
The low-pressure gas-liquid knockout drum (5) is used to carry out gas-liquid separation to the low-pressure flare gas from low pressure flare system, and will Isolated liquid is delivered to incinerator unit;
The low pressure flare water sealed tank (6) is for being washed and being conveyed to the gas for coming from the low-pressure gas-liquid knockout drum (5) To torch burning system;
The SRU knockout drums (7) are used to carry out gas-liquid separation to the SRU torch gas from SRU flare systems, and will separation Obtained liquid is delivered to incinerator unit;
The SRU torches water sealed tank (8) is for being washed and being delivered to the gas for coming from the SRU knockout drums (7) Torch burning system;
The contaminated rain water pond (1) is for receiving industry water and from the high pressure flare water sealed tank (4), low pressure flare water sealed tank (6) and the overflow water of SRU torches water sealed tank (8);
Elevator pump (2) is used to the water in the contaminated rain water pond (1) being delivered to the high pressure flare water sealed tank under the liquid (4), low pressure flare water sealed tank (6) and SRU torches water sealed tank (8);
It is provided with sewage treatment unit and tank (11) in the contaminated rain water pond (1);
The sewage treatment unit is for receiving industry water and from the high pressure flare water sealed tank (4), low pressure flare water sealed tank (6) and the overflow water of SRU torches water sealed tank (8) and it is handled to remove pollutant;
The tank (11) measures adjusting for receiving the water from the sewage treatment unit and carrying out homogeneous to it;
Elevator pump (2) is used to the water of the tank (11) being delivered to the high pressure flare water sealed tank (4), low pressure under the liquid Torch water sealed tank (6) and SRU torches water sealed tank (8).
2. torch unit effluent cycle system according to claim 1, which is characterized in that
The sewage treatment unit includes settling tank (12);
The settling tank (12) is for receiving industry water and from the high pressure flare water sealed tank (4), low pressure flare water sealed tank (6), the overflow water of SRU torches water sealed tank (8) and it is settled to remove solid pollutant.
3. torch unit effluent cycle system according to claim 2, which is characterized in that
The settling tank (12) includes level-one settling tank (121) and two level settling tank (122);
The level-one settling tank (121) is for receiving industry water and from the high pressure flare water sealed tank (4), low pressure flare water seal The overflow water of tank (6) and SRU torches water sealed tank (8) simultaneously settles to remove solid pollutant it;
The two level settling tank (122) is used to receive the overflow water from the level-one settling tank (121) and is settled to it To remove remaining solid pollutant.
4. torch unit effluent cycle system according to claim 2 or 3, which is characterized in that
The sewage treatment unit further includes grease removal tank (13) and oil scavenge pump (131);
The grease removal tank (13) is used to receive overflow water and stratification from the settling tank (12);
The oil scavenge pump (131) is used to absorb the oiliness pollutant for being located at upper oil phase in the water in the grease removal tank (13).
5. torch unit effluent cycle system according to claim 4, which is characterized in that grease removal tank (13) bottom is set It is equipped with and is bubbled mechanism (132);
The mechanism (132) that is bubbled is used to receive the gas from ventilation pipe (133) and release in grease removal tank (13) by it To accelerate the water-oil separating of the grease removal tank (13) interior water.
6. torch unit effluent cycle system according to claim 5, which is characterized in that the bubbling mechanism (132) is Coil pipe with multiple stomatas or air bag.
7. torch unit effluent cycle system according to claim 6, which is characterized in that the sewage treatment unit also wraps Include biochemical treatment tank (14);
The biochemical treatment tank (14) is used to receive the water from the grease removal tank (13) and carries out biochemical treatment to it to remove COD pollutants therein.
8. torch unit effluent cycle system according to claim 7, which is characterized in that the grease removal tank (13) and biochemistry The shared pool wall bottom of processing pond (14) be provided with for water by channel.
CN201510977804.1A 2015-12-23 2015-12-23 Torch unit effluent cycle system Active CN105585088B (en)

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Application Number Priority Date Filing Date Title
CN201510977804.1A CN105585088B (en) 2015-12-23 2015-12-23 Torch unit effluent cycle system

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Application Number Priority Date Filing Date Title
CN201510977804.1A CN105585088B (en) 2015-12-23 2015-12-23 Torch unit effluent cycle system

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CN105585088B true CN105585088B (en) 2018-10-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111056680A (en) * 2019-12-13 2020-04-24 江苏中圣高科技产业有限公司 System and method for on-site purification and cyclic utilization of industrial flare water-sealed tank sewage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860599B1 (en) * 2007-07-27 2008-09-26 주식회사 글로벌스탠다드테크놀로지 Device burning noxious gas using a plasma torch
CN202418740U (en) * 2012-01-10 2012-09-05 神华集团有限责任公司 Improved water seal system for torch gas
CN205275280U (en) * 2015-12-23 2016-06-01 神华集团有限责任公司 Torch unit sewage treatment system
CN206089221U (en) * 2016-08-16 2017-04-12 张家港市华昌新材料科技有限公司 Torch gas accident water sealed tank sewage treatment plant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860599B1 (en) * 2007-07-27 2008-09-26 주식회사 글로벌스탠다드테크놀로지 Device burning noxious gas using a plasma torch
CN202418740U (en) * 2012-01-10 2012-09-05 神华集团有限责任公司 Improved water seal system for torch gas
CN205275280U (en) * 2015-12-23 2016-06-01 神华集团有限责任公司 Torch unit sewage treatment system
CN206089221U (en) * 2016-08-16 2017-04-12 张家港市华昌新材料科技有限公司 Torch gas accident water sealed tank sewage treatment plant

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