CN102997251A - Liquid waste and exhaust gas recycling system for chemical by-products - Google Patents

Liquid waste and exhaust gas recycling system for chemical by-products Download PDF

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Publication number
CN102997251A
CN102997251A CN 201210375867 CN201210375867A CN102997251A CN 102997251 A CN102997251 A CN 102997251A CN 201210375867 CN201210375867 CN 201210375867 CN 201210375867 A CN201210375867 A CN 201210375867A CN 102997251 A CN102997251 A CN 102997251A
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CN
China
Prior art keywords
waste
incinerator
heat boiler
gas
waste heat
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Pending
Application number
CN 201210375867
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Chinese (zh)
Inventor
高屾
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.)
CHANGZHOU OLYMSPAN THERMAL ENERGY EQUIPMENT Co Ltd
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CHANGZHOU OLYMSPAN THERMAL ENERGY EQUIPMENT Co Ltd
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Priority to CN 201210375867 priority Critical patent/CN102997251A/en
Publication of CN102997251A publication Critical patent/CN102997251A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a liquid waste and exhaust gas recycling system for chemical by-products. The system comprises an incinerator, a waste heat boiler and a smoke system. The smoke outlet of the incinerator is connected with the waste heat boiler, the smoke outlet of the waste heat boiler is connected with the smoke system for processing waste heat smoke, a combustor is installed at the top of an air inlet tank of the incinerator, the combustor is connected with a natural gas system, an exhaust gas system is connected to the side wall of the air inlet tank, and a liquid waste groove is connected to the front end of a hearth of the incinerator. By recycling liquid waste and exhaust gas of chemical by-products, the environmental pollution is reduced, and heat is used to warm and heat by means of the arranged steam or conduction oil waste heat boiler, so that the purposes of energy conservation, environmental protection and comprehensive utilization of energy are realized.

Description

Chemical by-product waste liquid waste gas recycling system
Technical field
The present invention relates to the chemical by-product processing technology field, especially a kind of chemical by-product waste liquid waste gas recycling system.
Background technology
Industrial wastes waste gas, most exhaust gas constituents are unstable, directly burn difficulty larger, and waste liquid is take liquid state such as alcohols, aldehydes as main, and ordinary burner can't be burnt; And the industrial waste gas waste liquid mostly is inflammable substance, and directly exhaust emission is serious, directly burns utilization rate too low, and burns and insufficiently must bring secondary pollution.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the low technical problem of waste liquid exhaust gas utilization rate in the prior art, provide a kind of chemical by-product waste liquid waste gas recycling system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of chemical by-product waste liquid waste gas recycling system, comprise incinerator, waste heat boiler and flue gas system, described incinerator smoke outlet connects waste heat boiler, the exhaust-heat boiler flue gas outlet connects the flue gas system for the treatment of the waste heat flue gas, the first burner is equipped with in the air inlet tank top of incinerator, be connected to natural gas system on the first burner, be connected to waste gas system on the described air inlet pot sidewall, the burner hearth front end of described incinerator is connected to waste liquid tank.
Because waste gas calorific capacity height does not wait, composition is different, the factors such as admission pressure is unstable are often restricting exhaust gas utilization, thereby the preheater for preheating waste gas also is equipped with in the incinerator smoke exit, incinerator air inlet pot sidewall is provided with cigarette holder, the exhaust piping of described waste gas system is thermally coupled to cigarette holder in advance by preheater, also is provided with spark arrester on the exhaust piping between cigarette holder and the preheater; The burner hearth front end of described waste liquid tank and incinerator passes through connection by metal hose, between waste liquid tank and incinerator, also be provided with the first branch road, be furnished with on described the first branch road for the air compressor machine that waste liquid is sprayed into burner hearth, spray into burner hearth by air compressor machine, the waste liquid atomisation, enter the burner hearth after-combustion more abundant; Final waste heat flue gas may be with the material of complex chemical composition, need to be to its purified treatment, thereby flue gas system comprises cooling tower, spray column, air-introduced machine and the chimney that is connected in successively the waste heat boiler outlet flue.
Further, the gas approach place of described waste heat boiler is provided with the second burner, described the second burner by pipeline connection to natural gas system.
Described incinerator is horizontal incinerator, and the length of horizontal incinerator is 8 ~ 12m, and waste heat boiler is horizontal boiler using steam residual-heat or horizontal conduction oil waste heat boiler or vertical steam waste heat boiler or vertical conduction oil waste heat boiler.
For so that waste gas is more abundant in the burner hearth internal combustion, as a further improvement on the present invention, be provided with the first flue gas barricade and the second flue gas barricade in the burner hearth of described incinerator, described the first flue gas barricade bottom is tightly connected with burner hearth bottom, top and roof of the furnace form the first flue gas flow channel, described the second flue gas barricade top and roof of the furnace is tightly connected, bottom and burner hearth bottom form the second flue gas flow channel.
Pipeline between described waste gas system and the preheater is provided with the second branch road for emergent discharging.
The invention has the beneficial effects as follows, recycling by to chemical by-product waste liquid waste gas has reduced environmental pollution, utilizes the steam or the conduction oil waste heat boiler that arrange, heat brought heating usefulness, thereby realized the purpose of energy-saving and environmental protection, comprehensive utilization of energy.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention.
Among the figure: 1. incinerator, 11. air inlet tanks, 12. first burners, 13. cigarette holders, 14. the first flue gas barricade, 15. second flue gas barricades, 16. first flue gas flow channels, 17. second flue gas flow channels, 2. waste heat boiler, 21. second burners, 3. flue gas system, 31. cooling towers, 32. spray column, 33. air-introduced machines, 34. chimneys, 4. natural gas system, 5. waste gas system, 51. spark arresters, 52. second branch roads, 6. waste liquid tank, 7. preheater, 8. air compressor machine.
The specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
The structural representation of specific embodiments of the invention as shown in Figure 1, comprise incinerator 1, waste heat boiler 2 and flue gas system 3, incinerator 1 exhanst gas outlet connects waste heat boiler 2, waste heat boiler 2 exhanst gas outlets connect the flue gas system 3 for the treatment of the waste heat flue gas, the first burner 12 is equipped with at air inlet tank 11 tops of incinerator 1, be connected to natural gas system 4 on the first burner 12, be connected to waste gas system 5 on air inlet tank 11 sidewalls, the burner hearth front end of incinerator 1 is connected to waste liquid tank 6; Waste heat boiler 2 can be selected horizontal boiler using steam residual-heat or horizontal conduction oil waste heat boiler or vertical steam waste heat boiler or vertical conduction oil waste heat boiler.
Incinerator 1 smoke outlet also is equipped with the preheater 7 for preheating waste gas, incinerator 1 arranges the first burner 12, guarantee ignition temperature and flame size, generally take waste gas as main fuel, if the gas inlet amount is larger, and intake air temperature is lower, may be flame blow-off, thereby the method that adopts is that high-temperature preheater 7 is set, the natural gas fired burning, the high-temperature flue gas waste heat waste gas that produces, so that EGT reaches about 400 °, to guarantee waste gas in the stove internal combustion, incinerator 1 air inlet tank 11 sidewalls are provided with cigarette holder 13, the exhaust piping of waste gas system 5 is thermally coupled to cigarette holder 13 in advance by preheater 7, also is provided with spark arrester 51 on the exhaust piping between cigarette holder 13 and the preheater 7; Waste liquid tank 6 passes through connection by metal hose with the burner hearth front end of incinerator 1, also is provided with the first branch road between waste liquid tank 6 and incinerator 1, is furnished with on the first branch road for the air compressor machine 8 that waste liquid is sprayed into burner hearth; Flue gas system 3 comprises cooling tower 31, spray column 32, air-introduced machine 33 and the chimney 34 that is connected in successively waste heat boiler 2 outlet flues.
The gas approach place of waste heat boiler 2 be provided with the second burner 21, the second burners 21 by pipeline connection to natural gas system 4.
Incinerator 1 is horizontal incinerator, and the length of horizontal incinerator is 8 ~ 12m, and the incinerator outlet temperature is controlled at 900 ℃ ~ 1100 ℃, enters waste heat boiler through high-temperature preheater; Be provided with the first flue gas barricade 14 and the second flue gas barricade 15 in the burner hearth of incinerator 1, the first flue gas barricade 14 bottoms and burner hearth bottom is tightly connected, top and roof of the furnace forms the first flue gas flow channel 16, the second flue gas barricades, 15 tops and roof of the furnace is tightly connected, bottom and burner hearth bottom form the second flue gas flow channel 17.Consider safety factor, the pipeline between waste gas system 5 and the preheater 7 is provided with the second branch road 52 for emergent discharging.
Take above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this invention technological thought, carry out various change and modification fully.The technical scope of this invention is not limited to the content on the specification, must determine its technical scope according to the claim scope.

Claims (6)

1. chemical by-product waste liquid waste gas recycling system, it is characterized in that: comprise incinerator (1), waste heat boiler (2) and flue gas system (3), described incinerator (1) exhanst gas outlet connects waste heat boiler (2), waste heat boiler (2) exhanst gas outlet connects the flue gas system (3) for the treatment of the waste heat flue gas, the first burner (12) is equipped with at air inlet tank (11) top of incinerator (1), be connected to natural gas system (4) on the first burner (12), be connected to waste gas system (5) on described air inlet tank (11) sidewall, the burner hearth front end of described incinerator (1) is connected to waste liquid tank (6).
2. chemical by-product waste liquid waste gas recycling system as claimed in claim 1, it is characterized in that: described incinerator (1) smoke outlet also is equipped with the preheater (7) for preheating waste gas, incinerator (1) air inlet tank (11) sidewall is provided with cigarette holder (13), the exhaust piping of described waste gas system (5) is thermally coupled to cigarette holder (13) in advance by preheater (7), also is provided with spark arrester (51) on the exhaust piping between cigarette holder (13) and the preheater (7); Described waste liquid tank (6) passes through connection by metal hose with the burner hearth front end of incinerator (1), also is provided with the first branch road between waste liquid tank (6) and incinerator (1), is furnished with on described the first branch road for the air compressor machine (8) that waste liquid is sprayed into burner hearth; Described flue gas system (3) comprises cooling tower (31), spray column (32), air-introduced machine (33) and the chimney (34) that is connected in successively waste heat boiler (2) outlet flue.
3. chemical by-product waste liquid waste gas recycling system as claimed in claim 2, it is characterized in that: the gas approach place of described waste heat boiler (2) is provided with the second burner (21), described the second burner (21) by pipeline connection to natural gas system (4).
4. such as each described chemical by-product waste liquid waste gas recycling system of claim 1 ~ 3, it is characterized in that: described incinerator (1) is horizontal incinerator, the length of horizontal incinerator is 8 ~ 12m, and waste heat boiler (2) is horizontal boiler using steam residual-heat or horizontal conduction oil waste heat boiler or vertical steam waste heat boiler or vertical conduction oil waste heat boiler.
5. chemical by-product waste liquid waste gas recycling system as claimed in claim 4, it is characterized in that: be provided with the first flue gas barricade (14) and the second flue gas barricade (15) in the burner hearth of described incinerator (1), described the first flue gas barricade (14) bottom is tightly connected with burner hearth bottom, top and roof of the furnace form the first flue gas flow channel (16), described the second flue gas barricade (15) top and roof of the furnace is tightly connected, bottom and burner hearth bottom form the second flue gas flow channel (17).
6. chemical by-product waste liquid waste gas recycling system as claimed in claim 5 is characterized in that: the pipeline between described waste gas system (5) and the preheater (7) is provided with the second branch road (52) for emergent discharging.
CN 201210375867 2012-09-29 2012-09-29 Liquid waste and exhaust gas recycling system for chemical by-products Pending CN102997251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201210375867 CN102997251A (en) 2012-09-29 2012-09-29 Liquid waste and exhaust gas recycling system for chemical by-products

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Application Number Priority Date Filing Date Title
CN 201210375867 CN102997251A (en) 2012-09-29 2012-09-29 Liquid waste and exhaust gas recycling system for chemical by-products

Publications (1)

Publication Number Publication Date
CN102997251A true CN102997251A (en) 2013-03-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103453534A (en) * 2013-09-11 2013-12-18 中石化上海工程有限公司 Method for comprehensively utilizing energy of oxidation tail gas of phenol-acetone device to generate byproduct steam
CN104132352A (en) * 2014-07-10 2014-11-05 南京高源环保工程有限公司 Biochemical waste gas treatment system
CN104456525A (en) * 2014-09-29 2015-03-25 南京中电熊猫液晶材料科技有限公司 Method for recycling steam condensation water, organic waste gas burning heat and exhausted gas waste heat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103453534A (en) * 2013-09-11 2013-12-18 中石化上海工程有限公司 Method for comprehensively utilizing energy of oxidation tail gas of phenol-acetone device to generate byproduct steam
CN103453534B (en) * 2013-09-11 2016-11-02 中石化上海工程有限公司 The method of phenol-acetone device oxidized tail gas total energy approach byproduct steam
CN104132352A (en) * 2014-07-10 2014-11-05 南京高源环保工程有限公司 Biochemical waste gas treatment system
CN104456525A (en) * 2014-09-29 2015-03-25 南京中电熊猫液晶材料科技有限公司 Method for recycling steam condensation water, organic waste gas burning heat and exhausted gas waste heat

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Application publication date: 20130327