CN206244408U - A kind of regeneration of sulfuric acid production line - Google Patents

A kind of regeneration of sulfuric acid production line Download PDF

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Publication number
CN206244408U
CN206244408U CN201621340825.9U CN201621340825U CN206244408U CN 206244408 U CN206244408 U CN 206244408U CN 201621340825 U CN201621340825 U CN 201621340825U CN 206244408 U CN206244408 U CN 206244408U
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CN
China
Prior art keywords
tower
gas outlet
air inlet
communicated
chuck
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Expired - Fee Related
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CN201621340825.9U
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Chinese (zh)
Inventor
肖鹏
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Jingmen Yu Chu Chemical Co Ltd
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Jingmen Yu Chu Chemical Co Ltd
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Priority to CN201621340825.9U priority Critical patent/CN206244408U/en
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Expired - Fee Related legal-status Critical Current
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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  • Treating Waste Gases (AREA)

Abstract

A kind of regeneration of sulfuric acid production line, it includes fuel tank (20), air-introduced machine (21), pyrolysis furnace (22), air preheater (23), dynamic wave scrubbing tower (10), packed tower (11), electrostatic precipitator (12), spent acid sedimentation basin (13), diluted acid pond (14), drying tower (16), converter (17), absorption tower (18) and tail inhale tower (19), air preheater (23) includes cylinder (1) and chuck (2), packed tower (11) includes tower casing (31), spray equipment, a pair of fillers (33), a pair of packing support screens (34) and liquid distribution trough (35), the utility model advantage is:Pyrolysis furnace is cracked to spent acid, while heat energy recycle during cracking improves the efficiency of combustion of pyrolysis furnace, the acid spent acid to being produced during washing, purifying is repeatedly utilized, and reduces sour discharge capacity, environmental protection.

Description

A kind of regeneration of sulfuric acid production line
Technical field
The utility model is related to regeneration of sulfuric acid technical field, and in particular to a kind of regeneration of sulfuric acid production line.
Background technology
At present, substantial amounts of spent acid and acid waste gas can be produced in the refinement of oil gas and each chemical engineering industry, these give up The discharge of gas and spent acid can cause greatly pollution to environment, while the discharge of these spent acid is also the waste to resource.
Utility model content
The purpose of this utility model is exactly current pin, can be produced in the refinement of oil gas and each chemical engineering industry substantial amounts of useless Acid and acid waste gas, the discharge of these waste gas and spent acid can cause greatly pollution to environment, while these spent acid are discharged It is the deficiency to the waste of resource, and a kind of regeneration of sulfuric acid production line is provided.
The utility model includes fuel tank, air-introduced machine, pyrolysis furnace, air preheater, dynamic wave scrubbing tower, packed tower, quiet Electrostatic precipitator, spent acid sedimentation basin, diluted acid pond, drying tower, converter, absorption tower and tail inhale tower, the fuel outlet of fuel tank with split The fuel inlet for solving stove is communicated, and the gas outlet of air-introduced machine communicates with pyrolysis furnace air inlet;Air preheater includes cylinder and chuck, Air inlet and gas outlet are had on cylinder and chuck, and blower fan are provided with the gas outlet of cylinder, chuck is enclosed within cylinder, Spiral stream guidance band is respectively equipped with cylinder and chuck;The gas outlet of pyrolysis furnace communicates with the air inlet of chuck, the gas outlet of chuck Air inlet with dynamic wave scrubbing tower is communicated, and the gas outlet of cylinder is communicated by blower fan with the air inlet of pyrolysis furnace;Packed tower bag Tower casing, spray equipment, a pair of fillers, a pair of packing support screens and liquid distribution troughs are included, air inlet is had in tower casing, is gone out Gas port, water inlet, discharge outlet and sewage draining exit, a pair of fillers are arranged in tower casing by packing support screen respectively, liquid distribution Device is arranged in tower casing, and between a pair of fillers;Spray equipment includes one group of sparge pipe, one group of shower nozzle and inlet channel, The one end open of sparge pipe, other end closing, and multiple shower nozzle mounting holes are provided with the tube wall of sparge pipe, one group of shower nozzle difference On hole, one group of sparge pipe difference annular array is arranged on tower casing inner top, and one group of openend of sparge pipe higher than envelope Closed end, the openend of one group of sparge pipe communicates with the delivery port of inlet channel respectively, the water inlet and tower casing of inlet channel Water inlet communicate;The gas outlet of dynamic wave scrubbing tower is communicated with the air inlet of packed tower, and gas outlet and the electrostatic of packed tower are removed The air inlet of day with fog is communicated, and the water inlet of the discharge outlet of dynamic wave scrubbing tower and packed tower respectively with spent acid sedimentation basin is communicated, quiet The discharge outlet of electrostatic precipitator is communicated with the water inlet in diluted acid pond, and gap is provided with the spent acid sedimentation basin, and spent acid sedimentation basin leads to Overflow pipe is crossed to be communicated with the water inlet in diluted acid pond;The gas outlet of electrostatic precipitator communicates with the air inlet of drying tower, drying tower Gas outlet communicated with the air inlet of converter, the air inlet on absorption tower is communicated with the gas outlet of converter, tail inhale tower air inlet Mouth is communicated with the gas outlet on absorption tower.
The chuck is provided with heat-insulation layer;It also has circulating slot, and the discharge outlet in diluted acid pond is communicated with the water inlet of circulating slot, Circulating slot is communicated by pump with the water inlet of dynamic wave scrubbing tower.
The discharge outlet of the tower casing is provided with drain elbow, and drain elbow one end is located at tower casing inner bottom part;The sparge pipe On multiple shower nozzle mounting holes between spacing diminished successively from sparge pipe openend to the spacing of blind end;Described adjacent two β angles are formed between individual shower nozzle, β is 90-120 °;Respectively horizontal by α angles, α is 20 ° to the sparge pipe.
The utility model advantage is:Pyrolysis furnace is cracked to spent acid, while heat energy recycle during cracking is improved and split The efficiency of combustion of stove is solved, the acid spent acid to being produced during washing, purifying is repeatedly utilized, reduce sour discharge capacity, protection ring Border.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model air preheater structural representation.
Section A-A schematic diagram in Fig. 3 Fig. 2.
Fig. 4 is the utility model packed tower structural representation.
Fig. 5 is the spray equipment structural representation of the utility model packed tower.
The Section A-A schematic diagram of Fig. 6 Fig. 5.
Specific embodiment
As shown in Fig. 1,2,3,4,5,6, the utility model includes fuel tank 20, air-introduced machine 21, pyrolysis furnace 22, air preheat Device 23, dynamic wave scrubbing tower 10, packed tower 11, electrostatic precipitator 12, spent acid sedimentation basin 13, diluted acid pond 14, drying tower 16, conversion Device 17, absorption tower 18 and tail inhale tower 19, and the fuel outlet of fuel tank 20 is communicated with the fuel inlet of pyrolysis furnace 22, air-introduced machine 21 Gas outlet communicates with the air inlet of pyrolysis furnace 22;Air preheater 23 includes cylinder 1 and chuck 2, is opened respectively on cylinder 1 and chuck 2 There are air inlet and gas outlet, and blower fan 4 is provided with the gas outlet of cylinder 1, chuck 2 is enclosed within cylinder 1, in cylinder 1 and chuck 2 It is respectively equipped with spiral stream guidance band 5;The gas outlet of pyrolysis furnace 22 communicates with the air inlet of chuck 2, the gas outlet of chuck 2 and dynamic wave The air inlet of scrubbing tower 10 is communicated, and the gas outlet of cylinder 1 is communicated by blower fan 4 with the air inlet of pyrolysis furnace 22;Packed tower 11 is wrapped Tower casing 31, spray equipment, a pair of fillers 33, a pair of packing support screens 34 and liquid distribution troughs 35 are included, is opened respectively in tower casing 31 There are air inlet, gas outlet, water inlet, discharge outlet and sewage draining exit, a pair of fillers 33 are arranged on by packing support screen 34 respectively In tower casing 31, liquid distribution trough 35 is arranged in tower casing 31, and between a pair of fillers 33;Spray equipment includes one group of water spray 32, one group of shower nozzle 37 of pipe and inlet channel 38, the one end open of sparge pipe 32, other end closing, and in the tube wall of sparge pipe 32 On be provided with multiple shower nozzle mounting holes, one group of shower nozzle 37 is separately mounted on hole, and one group of sparge pipe 32 is distinguished annular array and is arranged on The inner top of tower casing 31, and one group of openend of sparge pipe 32 is higher than blind end, the openend of one group of sparge pipe 32 respectively with The delivery port of inlet channel 38 is communicated, and the water inlet of inlet channel 38 is communicated with the water inlet of tower casing 31;Dynamic wave scrubbing tower 10 Gas outlet communicated with the air inlet of packed tower 11, the gas outlet of packed tower 11 communicates with the air inlet of electrostatic precipitator 12, move Water inlet of the discharge outlet of Reeb scrubbing tower 10 and packed tower 11 respectively with spent acid sedimentation basin 13 is communicated, the row of electrostatic precipitator 12 The mouth of a river is communicated with the water inlet in diluted acid pond 14, and gap is provided with the spent acid sedimentation basin 13, and spent acid sedimentation basin 13 passes through spilling water Pipeline is communicated with the water inlet in diluted acid pond 14;The gas outlet of electrostatic precipitator 12 communicates with the air inlet of drying tower 16, drying tower 16 gas outlet is communicated with the air inlet of converter 17, and the air inlet on absorption tower 18 is communicated with the gas outlet of converter 17, and tail is inhaled The air inlet of tower 19 is communicated with the gas outlet on absorption tower 18.
The chuck 2 is provided with heat-insulation layer 8;It also has circulating slot 15, the discharge outlet in diluted acid pond 14 and entering for circulating slot 15 The mouth of a river is communicated, and circulating slot 15 is communicated by pump with the water inlet of dynamic wave scrubbing tower 10.
The discharge outlet of the tower casing 31 is provided with drain elbow 36, and the one end of drain elbow 36 is located at the inner bottom part of tower casing 31;Institute The spacing stated between the multiple shower nozzle mounting holes on sparge pipe 32 is diminished successively from the openend of sparge pipe 32 to the spacing of blind end; β angles are formed between two adjacent shower nozzles 37, β is 90-120 °;The sparge pipe 32 respectively horizontal by α angles, α is 20 °.
Working method and principle:After spent acid is entered into pyrolysis furnace 22, the fuel of fuel tank 20 and the sky of air-introduced machine 21 Gas is entered into pyrolysis furnace 22 and burnt, and heating cracking is carried out to spent acid, and the high-temperature acidic gas produced after cracking is from chuck 2 Air inlet enter, the air inlet of chuck 2 and gas outlet are located at the lower semisection of chuck 2 and upper semisection respectively, and gas is in chuck 2 In the presence of spiral stream guidance band 5, can rise along the spiral inner wall of chuck 2, and discharged from the gas outlet of chuck 2, high-temperature gas pair The inwall of chuck 2 is heated, and heat energy is passed to cylinder 1 by chuck 2;Heat-insulation layer 8 prevents the heat energy of chuck 2 from distributing, and improves heat Can utilization rate, similarly, the air inlet of cylinder 1 and gas outlet are located at the lower semisection of cylinder 1 and upper semisection respectively, and air is from cylinder 1 Air inlet enters, and in the presence of the spiral stream guidance band 5 in cylinder 1, can rise along the spiral inner wall of cylinder 1, and air is by cylinder 1 Hot-air is extracted out by the blower fan 4 on cylinder 1 after heating, blower fan 4 is input to hot-air in pyrolysis furnace 22 by pipeline, heat The burning of air is favorably improved efficiency of combustion, so as to reach raising lysis efficiency.Sour gas in the chuck 2 out again according to Secondary dynamic wave scrubbing tower 10, packed tower 11 and the electrostatic precipitator 12 of entering into is purified, dynamic wave scrubbing tower 10 and packed tower 11 produced acidic liquids in the purification are entered into spent acid sedimentation basin 13 after precipitation and the liquid out of electrostatic precipitator 12 The mixing of diluted acid pond 14 is entered into together in faintly acid liquid, and the liquid in diluted acid pond 14 is entered back into circulating slot 15, circulating slot 15 Interior liquid is input in dynamic wave scrubbing tower 10 by pump again, as the aucillary detergent of dynamic wave scrubbing tower 10, by many The acid concentration of secondary cycle down low emission liquid, environmental protection;It is mainly sulfur dioxide gas from the gas out of electrostatic precipitator 12 Body, dries by drying tower 16, and, Sulphur Dioxide into sulfur trioxide, sulfur trioxide gas are in absorption tower 18 for converter 17 Add water and absorbed into sulfuric acid, the acid waste gas that absorption tower 18 produces when absorbing are inhaled in tail and further neutralized in tower 19, Reduce the discharge of acid waste gas.
The working method of packed tower is that air inlet and discharge outlet are located at the lower end of tower casing 31 respectively, and air inlet is higher than draining Mouthful, water inlet is located at the upper end of tower casing 31, and gas outlet is located at the top of tower casing 31, and sewage draining exit is located at the bottom of tower casing 31;Mixed gas are entered Filter and neutralized with the water in filler 3 by filler 3 again after packing support screen 34 flows after entering in tower casing 31 Reaction, then discharged from the gas outlet of tower casing 31, in order to react more fully, two-layer packing support screen 34 is provided with tower casing 31 With filler 3, mixed gas carry out the water flowed out from last layer filler 3 secondary equal by two-layer filtering, liquid distribution trough 35 Stream is dropped on next layer of filler 3 again, makes next layer of the uniform spraying of filler 3;One group of sparge pipe 32 of spray equipment is in umbrella Bone-shaped is arranged, and forms taper spraying rack, makes the pressure of the pressure of the leading portion of sparge pipe 32 and tail end uniform, by shower nozzle mounting hole it Between spacing diminished successively from the openend of sparge pipe 32 to the spacing of blind end, and 100 ° are formed between adjacent two shower nozzles 37 Angle, makes shower nozzle 37 be sprayed water to two side-lowers, and the water for spraying shower nozzle 37 covers the whole superjacent air space of tower casing 31, increases spray Uniformity.Drain elbow 36 ensures that the inner bottom part of tower casing 31 keeps certain liquid level, the height of liquid level while draining is carried out Less than air inlet, it is ensured that it is unobstructed that mixed gas enter, while mixed gas are directly from row after avoiding liquid in tower casing 31 from arranging light Discharge at the mouth of a river.

Claims (3)

1. a kind of regeneration of sulfuric acid production line, it is characterised in that it includes fuel tank (20), air-introduced machine (21), pyrolysis furnace (22), empty Air preheater (23), dynamic wave scrubbing tower (10), packed tower (11), electrostatic precipitator (12), spent acid sedimentation basin (13), diluted acid pond (14), drying tower (16), converter (17), absorption tower (18) and tail inhale tower (19), fuel outlet and the cracking of fuel tank (20) The fuel inlet of stove (22) is communicated, and the gas outlet of air-introduced machine (21) communicates with pyrolysis furnace (22) air inlet;Air preheater (23) Including cylinder (1) and chuck (2), air inlet and gas outlet, and going out in cylinder (1) are had on cylinder (1) and chuck (2) Gas port is provided with blower fan (4), and chuck (2) is enclosed within cylinder (1), and spiral stream guidance band is respectively equipped with cylinder (1) and chuck (2) (5);The gas outlet of pyrolysis furnace (22) communicates with the air inlet of chuck (2), gas outlet and the dynamic wave scrubbing tower (10) of chuck (2) Air inlet communicate, the gas outlet of cylinder (1) is communicated by blower fan (4) with the air inlet of pyrolysis furnace (22);Packed tower (11) is wrapped Include tower casing (31), spray equipment, a pair of fillers (33), a pair of packing support screens (34) and liquid distribution troughs (35), tower casing (31) air inlet, gas outlet, water inlet, discharge outlet and sewage draining exit are had on, a pair of fillers (33) are respectively by filler branch Support screen (34) is in tower casing (31), and liquid distribution trough (35) is interior installed in tower casing (31), and positioned at a pair of fillers (33) Between;Spray equipment includes one group of sparge pipe (32), one group of shower nozzle (37) and inlet channel (38), and one end of sparge pipe (32) is opened Mouthful, other end closing, and multiple shower nozzle mounting holes are provided with the tube wall of sparge pipe (32), one group of shower nozzle (37) is separately mounted to Kong Shang, one group of sparge pipe (32) difference annular array is arranged on tower casing (31) inner top, and one group of openend of sparge pipe (32) Higher than blind end, the delivery port of the openend of one group of sparge pipe (32) respectively with inlet channel (38) is communicated, inlet channel (38) water inlet is communicated with the water inlet of tower casing (31);The gas outlet of dynamic wave scrubbing tower (10) and the air inlet of packed tower (11) Mouthful communicate, the gas outlet of packed tower (11) communicates with the air inlet of electrostatic precipitator (12), dynamic wave scrubbing tower (10) and filler Water inlet of the discharge outlet of tower (11) respectively with spent acid sedimentation basin (13) is communicated, discharge outlet and the diluted acid pond of electrostatic precipitator (12) (14) water inlet is communicated, and is provided with gap on the spent acid sedimentation basin (13), spent acid sedimentation basin (13) by overflow pipe with The water inlet in diluted acid pond (14) is communicated;The gas outlet of electrostatic precipitator (12) communicates with the air inlet of drying tower (16), drying tower (16) gas outlet communicates with the air inlet of converter (17), the air inlet of absorption tower (18) and the gas outlet phase of converter (17) Logical, the air inlet that tail inhales tower (19) is communicated with the gas outlet of absorption tower (18).
2. a kind of regeneration of sulfuric acid production line according to claim 1, it is characterised in that the chuck (2) is provided with heat-insulation layer (8);The discharge outlet that it also has circulating slot (15), diluted acid pond (14) is communicated with the water inlet of circulating slot (15), and circulating slot (15) leads to Pump is crossed to be communicated with the water inlet of dynamic wave scrubbing tower (10).
3. a kind of regeneration of sulfuric acid production line according to claim 1, it is characterised in that in the discharge outlet of the tower casing (31) Drain elbow (36) is provided with, drain elbow (36) one end is located at tower casing (31) inner bottom part;Multiple sprays on the sparge pipe (32) Spacing between head mounting hole is diminished successively from sparge pipe (32) openend to the spacing of blind end;Two adjacent shower nozzles (37) Between formed β angles, β be 90-120 °;Respectively horizontal by α angles, α is 20 ° to the sparge pipe (32).
CN201621340825.9U 2016-12-08 2016-12-08 A kind of regeneration of sulfuric acid production line Expired - Fee Related CN206244408U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621340825.9U CN206244408U (en) 2016-12-08 2016-12-08 A kind of regeneration of sulfuric acid production line

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Application Number Priority Date Filing Date Title
CN201621340825.9U CN206244408U (en) 2016-12-08 2016-12-08 A kind of regeneration of sulfuric acid production line

Publications (1)

Publication Number Publication Date
CN206244408U true CN206244408U (en) 2017-06-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106829880A (en) * 2016-12-08 2017-06-13 荆门市渝楚化工有限公司 A kind of regeneration of sulfuric acid production line
CN109999615A (en) * 2019-04-30 2019-07-12 江苏同庆安全科技有限公司 A kind of emission-control equipment and its treatment process being segmented recycling function with solvent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106829880A (en) * 2016-12-08 2017-06-13 荆门市渝楚化工有限公司 A kind of regeneration of sulfuric acid production line
CN109999615A (en) * 2019-04-30 2019-07-12 江苏同庆安全科技有限公司 A kind of emission-control equipment and its treatment process being segmented recycling function with solvent

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170613

Termination date: 20201208

CF01 Termination of patent right due to non-payment of annual fee