CN204421052U - A kind of waste heat recovery furnace - Google Patents

A kind of waste heat recovery furnace Download PDF

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Publication number
CN204421052U
CN204421052U CN201420751595.XU CN201420751595U CN204421052U CN 204421052 U CN204421052 U CN 204421052U CN 201420751595 U CN201420751595 U CN 201420751595U CN 204421052 U CN204421052 U CN 204421052U
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CN
China
Prior art keywords
air inlet
waste heat
pipeline
air
recovery furnace
Prior art date
Application number
CN201420751595.XU
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Chinese (zh)
Inventor
王新合
Original Assignee
博大面业集团有限公司
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Application filed by 博大面业集团有限公司 filed Critical 博大面业集团有限公司
Priority to CN201420751595.XU priority Critical patent/CN204421052U/en
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Publication of CN204421052U publication Critical patent/CN204421052U/en

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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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The utility model relates to a kind of waste heat recovery furnace.A kind of waste heat recovery furnace, the heat exchanger comprising air inlet, flue and be arranged on flue, the hot junction pipeline of heat exchanger is connected on flue, the entrance of the cold junction pipeline of heat exchanger is connected with arrival end air inlet pipeline, the outlet of cold junction pipeline is connected with port of export supply air line and is communicated with by the air inlet of port of export supply air line waste heat recovery furnace, and arrival end air inlet pipeline and/or port of export supply air line are provided with for the air-stream generating device to air inlet air feed.Combustion-supporting gas can enter the cold junction pipeline of heat exchanger through arrival end air inlet pipeline and realize heating up with the hot junction pipeline heat exchange of heat exchanger under the effect of air-stream generating device, combustion-supporting gas after intensification enters the air inlet of preheating recovery furnace again by port of export supply air line, can reduce or avoid the consumption to stove intimate heat while combustion-supporting, thus waste heat can be directly applied to self work, can reduce use cost, the scope of application is wide.

Description

A kind of waste heat recovery furnace

Technical field

The utility model relates to a kind of waste heat recovery furnace.

Background technology

At present, heating furnace is widely used in a lot of industry such as food, chemical industry, electronics, the vermicelli such as, used in Flour product manufacturing enterprise dry boiler, are provided with conduction oil circulation line in boiler, are dried after the fuel heating that the conduction oil in circulation line is burned by fin to vermicelli.Heating furnace of the prior art generally comprises air inlet and flue, and during use, air enters furnace chamber from air inlet, and for the fuel in furnace chamber provides oxygen, the waste gas produced after fuel combustion is discharged by flue.The band waste heat waste gas produced in most of boiler combustion process in prior art is all directly discharged by flue, in a lot of boiler, the temperature of flue is mostly more than 130 degree, not only easily give environment, and the heat of fuel combustion generation can be taken away, cause a large amount of energy wastes, be unfavorable for energy-conserving and environment-protective.

In order to reduce waste heat loss, Some Enterprises is had to adopt waste heat recovery furnace to substitute existing plain cylindrical furnace at present, most waste heat recovery furnace arranges heat exchanger on flue, pass through from the hot junction pipeline heat exchanger for waste gas, recirculated water is passed in the cooling line of heat exchanger, utilize the heat of flue to heat recirculated water, then undertaken utilizing the secondary realizing the energy to utilize by by the recirculated water heated.But adopting recirculated water to carry out heat exchange needs to drop into higher equipment cost, and easy seepage, maintenance cost is higher, and be not also suitable for the manufacturing enterprise not needing to use hot water, therefore, the existing preheating recovery furnace scope of application receives larger restriction.

Utility model content

The purpose of this utility model is to provide a kind of waste heat recovery furnace that waste heat can be directly applied to self work, can solve the problem that in prior art, waste heat recovery furnace use cost is high, the scope of application is limited.

The technical scheme that a kind of waste heat recovery furnace of the utility model adopts is: a kind of waste heat recovery furnace, the heat exchanger comprising air inlet, flue and be arranged on flue, the hot junction pipeline of described heat exchanger is connected on flue, the entrance of the cold junction pipeline of described heat exchanger is connected with arrival end air inlet pipeline, the outlet of cold junction pipeline is connected with port of export supply air line and is communicated with by the air inlet of waste heat recovery furnace described in port of export supply air line, and described arrival end air inlet pipeline and/or port of export supply air line are provided with for the air-stream generating device to described air inlet air feed.

Described waste heat recovery furnace comprises body of heater and combustor, and described air inlet is arranged on combustor.

Described air-stream generating device is the blower fan of the air inlet being arranged on arrival end air inlet pipeline.

The air inlet of described blower fan is connected with the dedusting filter for Chalk-dust filtering.

Described dedusting filter is dedusting bellows, and described dedusting bellows comprise hollow box body, be arranged on the bellows gas outlet on hollow box body and be provided with the bellows air inlet of gas-filtering device, and described bellows gas outlet is communicated with the air inlet of blower fan.

The utility model adopts technique scheme, the entrance of the cold junction pipeline of heat exchanger is connected with arrival end air inlet pipeline, the outlet of cold junction pipeline is connected with port of export supply air line and is communicated with by the air inlet of waste heat recovery furnace described in port of export supply air line, described arrival end air inlet pipeline and/or port of export supply air line are provided with for the air-stream generating device to described air inlet air feed, during use, combustion-supporting gas can enter the cold junction pipeline of heat exchanger through arrival end air inlet pipeline and realize heating up with the hot junction pipeline heat exchange of heat exchanger under the effect of air-stream generating device, combustion-supporting gas after intensification enters the air inlet of preheating recovery furnace again by port of export supply air line, can reduce or avoid the consumption to stove intimate heat while combustion-supporting, thus waste heat can be directly applied to self work, reach the effect of solar term consumption reduction, compared with adopting the scheme of recirculated water in prior art, use cost can be reduced, the scope of application is wide.

Accompanying drawing explanation

Fig. 1 is the structural representation of an embodiment of a kind of waste heat recovery furnace of the utility model.

The name that in figure, each Reference numeral is corresponding is called: 1-body of heater, 2-combustor, 3-flue, 4-air inlet, 5-heat exchanger, 6-blower fan, 7-dedusting bellows, 8-arrival end air inlet pipeline, 9-port of export supply air line.

Detailed description of the invention

An embodiment of a kind of waste heat recovery furnace of the utility model as shown in Figure 1, is a kind of boiler of drying for vermicelli, comprises body of heater 1, combustor 2, flue 3 and heat exchanger 5.Flue 3 is connected on body of heater 1, and the hot junction pipeline of heat exchanger 5 is connected on flue 3, and combustor 2 is provided with the air inlet 4 entered for combustion-supporting gas.

The entrance of the cold junction pipeline of heat exchanger 5 is connected with arrival end air inlet pipeline 8, the air inlet of arrival end air inlet pipeline 8 is connected with blower fan 6, the air inlet of blower fan 6 is connected with dedusting bellows 7, dedusting bellows 7 comprise hollow box body, be arranged on the bellows gas outlet on hollow box body and be provided with the bellows air inlet of gas-filtering device, bellows gas outlet is communicated with the air inlet of blower fan 6, as the dedusting filter for Chalk-dust filtering, blower fan 6 is configured for the air-stream generating device of the air inlet air feed to preheating recovery furnace.What arrange that dedusting filter effectively can reduce combustor 2 takes clearing times apart, increases the service life, reduces costs.

The outlet of cold junction pipeline is connected with port of export supply air line 9, and is communicated with the air inlet 4 be arranged on combustor 2 by port of export supply air line 9.Combustor 2 is prior art, adopts natural gas combustion engine in the present embodiment, and its concrete mechanism no longer describes in detail herein.

During use, air is inhaled into arrival end air inlet pipeline 8 under the effect of blower fan 6 after dedusting bellows 7 filter, then enter heat exchanger and carry out heat exchange, heated rear port of export supply air line 9 and entered combustor 2, can be reduced or avoid the consumption to heat in body of heater 1 while combustion-supporting, thus waste heat can be directly applied to self work, reach the effect of solar term consumption reduction, compared with adopting the scheme of recirculated water in prior art, can reduce use cost, the scope of application is wide.

In the above-described embodiments, waste heat recovery furnace have employed combustor 2, and air-stream generating device is the blower fan 6 of the air inlet being arranged on arrival end air inlet pipeline 8.In other embodiments of the present utility model, waste heat recovery furnace also can be other forms, such as body of heater 1 self is with the form of combustor 2, and air-stream generating device also can be arranged on port of export supply air line 9, or on arrival end air inlet pipeline 8 and port of export supply air line 9, air-stream generating device is set respectively.In addition, what the dedusting filter in above-described embodiment adopted is dedusting bellows 7, and in other embodiments, dedusting filter also can replace with other dust arresters in this area, and this dedusting filter is nonessential structure, also can save in other embodiments.

Claims (5)

1. a waste heat recovery furnace, the heat exchanger comprising air inlet, flue and be arranged on flue, the hot junction pipeline of described heat exchanger is connected on flue, it is characterized in that: the entrance of the cold junction pipeline of described heat exchanger is connected with arrival end air inlet pipeline, the outlet of cold junction pipeline is connected with port of export supply air line and is communicated with by the air inlet of waste heat recovery furnace described in port of export supply air line, and described arrival end air inlet pipeline and/or port of export supply air line are provided with for the air-stream generating device to described air inlet air feed.
2. a kind of waste heat recovery furnace according to claim 1, it is characterized in that: described waste heat recovery furnace comprises body of heater and combustor, described air inlet is arranged on combustor.
3. a kind of waste heat recovery furnace according to claim 1 and 2, is characterized in that: described air-stream generating device is the blower fan of the air inlet being arranged on arrival end air inlet pipeline.
4. a kind of waste heat recovery furnace according to claim 3, is characterized in that: the air inlet of described blower fan is connected with the dedusting filter for Chalk-dust filtering.
5. a kind of waste heat recovery furnace according to claim 4, it is characterized in that: described dedusting filter is dedusting bellows, described dedusting bellows comprise hollow box body, be arranged on the bellows gas outlet on hollow box body and be provided with the bellows air inlet of gas-filtering device, and described bellows gas outlet is communicated with the air inlet of blower fan.
CN201420751595.XU 2014-12-04 2014-12-04 A kind of waste heat recovery furnace CN204421052U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420751595.XU CN204421052U (en) 2014-12-04 2014-12-04 A kind of waste heat recovery furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420751595.XU CN204421052U (en) 2014-12-04 2014-12-04 A kind of waste heat recovery furnace

Publications (1)

Publication Number Publication Date
CN204421052U true CN204421052U (en) 2015-06-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420751595.XU CN204421052U (en) 2014-12-04 2014-12-04 A kind of waste heat recovery furnace

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028130A (en) * 2018-05-31 2018-12-18 深圳市律远汇智科技有限公司 A kind of straw burning machine that the combustion efficiency with function of recovering waste heat is good
CN110398157A (en) * 2019-08-28 2019-11-01 谢文最 A kind of the exhaust heat-energy high efficiente callback equipment and its application method of revolving burner
CN110873527A (en) * 2018-09-03 2020-03-10 中国瑞林工程技术股份有限公司 Hot air heating system of matte mill

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028130A (en) * 2018-05-31 2018-12-18 深圳市律远汇智科技有限公司 A kind of straw burning machine that the combustion efficiency with function of recovering waste heat is good
CN110873527A (en) * 2018-09-03 2020-03-10 中国瑞林工程技术股份有限公司 Hot air heating system of matte mill
CN110398157A (en) * 2019-08-28 2019-11-01 谢文最 A kind of the exhaust heat-energy high efficiente callback equipment and its application method of revolving burner

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150624

Termination date: 20151204