CN204830429U - High -efficient residual heat from flue gas device - Google Patents

High -efficient residual heat from flue gas device Download PDF

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Publication number
CN204830429U
CN204830429U CN201520555003.1U CN201520555003U CN204830429U CN 204830429 U CN204830429 U CN 204830429U CN 201520555003 U CN201520555003 U CN 201520555003U CN 204830429 U CN204830429 U CN 204830429U
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CN
China
Prior art keywords
flue gas
air inlet
delivery port
water tank
flow rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520555003.1U
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Chinese (zh)
Inventor
梁成
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Shanxi Jin Tao Qingyuan Environmental Science & Technology Co Ltd
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梁成
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Priority to CN201520555003.1U priority Critical patent/CN204830429U/en
Application granted granted Critical
Publication of CN204830429U publication Critical patent/CN204830429U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a high -efficient residual heat from flue gas device belongs to the waste heat recovery field. It has solved the problem that current waste heat recovery device is difficult for controlled flow rate. This high -efficient residual heat from flue gas device includes the casing, casing top and bottom are equipped with gas outlet and air inlet respectively, be equipped with heating the water tank and holding water box in the casing, last water inlet no. 1 and the delivery port no. 1 of being equipped with of heating the water tank, be equipped with the solenoid valve on water inlet no. 1 and the delivery port no. 1, last water inlet no. 2 and the delivery port no. 2 of being equipped with of holding water box, delivery port no. 1 and two intercommunications of water inlet, heating the water tank is last to be equipped with hollow heat exchange tube, heat exchange tube hollow portion passes through the heat exchange tube both ends and communicates with gas outlet and air inlet respectively, be equipped with the flue gas velocity detector on the air inlet, still including the controller of being connected with solenoid valve and flue gas velocity detector respectively, the flue gas velocity detector can detect air inlet flue gas velocity, and open and close through controller control solenoid. This device can be according to the flue gas change automatic control water yield, and heat utilization efficiency is higher.

Description

A kind of efficient flue gas waste heat retracting device
Technical field
The utility model belongs to heat recovery technology field, relates to a kind of efficient flue gas waste heat retracting device.
Background technology
Waste heat refers to the limitation by factors such as history, technology, theories, in the industrial enterprise's energy-dissipating device put into operation, and the sensible heat that original design is not used appropriately and latent heat.It comprises high-temp waste gas waste heat, cooling medium waste heat, waste vapour waste water residual heat, high-temperature product and afterheat of slags, chemical reaction waste heat, combustible exhaust gas waste liquid and waste material waste heat etc.According to investigation, the waste heat total resources of every profession and trade account for 17% ~ 67% of its fuel consumption total amount, and the residual heat resources of recoverable are about 60% of waste heat total resources.
The waste heat utilizing the flue gas of existing combustion furnace to produce is heated up water and used is more common a kind of waste heat recovery mode, but differing in flue gas source, makes flue gas flow rate uneven, therefore not easily control the water yield in water tank, be therefore necessary to improve.
Utility model content
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of efficient flue gas waste heat retracting device that automatically can change the water yield in water tank according to flue gas flow rate.
The purpose of this utility model realizes by following technical proposal: a kind of efficient flue gas waste heat retracting device, comprise housing, case top and bottom are respectively equipped with gas outlet and air inlet, it is characterized in that: in described housing, be respectively equipped with heating water tank and attemperater, described heating water tank is provided with water inlet one and delivery port one, described water inlet one and delivery port one are respectively equipped with magnetic valve, described attemperater is provided with water inlet two and delivery port two, described delivery port one is communicated with water inlet two, described heating water tank is provided with some hollow heat exchanger tubes, and described heat exchanger tube hollow space is communicated with air inlet with gas outlet respectively by heat exchanger tube two ends, described air inlet is provided with flue gas flow rate detector, also comprise the controller be connected with magnetic valve and flue gas flow rate detector respectively, described flue gas flow rate detector can detect the flue gas flow rate of air inlet, and the magnetic valve described in being controlled by controller is opened and closed.
Air inlet passes into flue gas, and flue gas enters in heat exchanger tube, is contacted the flue gas heat utilized in heat exchanger tube by heat exchanger tube with heating water tank, and final flue gas is discharged from gas outlet; After water in heating water tank is heated, entered in attemperater by delivery port one and be incubated; Due to water inlet one and delivery port one being respectively equipped with magnetic valve, air inlet is provided with flue gas flow rate detector, and flue gas flow rate detector can detect the flue gas flow rate of air inlet, and opened and closed by controller Controlling solenoid valve, therefore when flue gas flow rate changes, magnetic valve can open and close to control the water yield, makes heat utilization ratio higher, avoids the trouble of manual control.
In above-mentioned a kind of efficient flue gas waste heat retracting device, described attemperater is provided with hollow insulation pipe, and described insulating tube hollow space is communicated with air inlet with gas outlet respectively by insulating tube two ends.
Insulating tube plays heating and thermal insulation effect to attemperater is set.
In above-mentioned a kind of efficient flue gas waste heat retracting device, the part that described heat exchanger tube stretches into heating water tank is spiral tubular structure.
Spiral tubular structure is adopted to make heat utilization efficiency higher.
In above-mentioned a kind of efficient flue gas waste heat retracting device, described gas outlet is also provided with filter screen.
A part of deleterious particle, more environmental protection in strainer filtering flue gas are set.
Compared with prior art, the utility model tool has the following advantages:
Air inlet passes into flue gas, and flue gas enters in heat exchanger tube, is contacted the flue gas heat utilized in heat exchanger tube by heat exchanger tube with heating water tank, and final flue gas is discharged from gas outlet; After water in heating water tank is heated, entered in attemperater by delivery port one and be incubated; Due to water inlet one and delivery port one being respectively equipped with magnetic valve, air inlet is provided with flue gas flow rate detector, and flue gas flow rate detector can detect the flue gas flow rate of air inlet, and opened and closed by controller Controlling solenoid valve, therefore when flue gas flow rate changes, magnetic valve can open and close to control the water yield, makes heat utilization ratio higher, avoids the trouble of manual control.
Accompanying drawing explanation
Fig. 1 is this apparatus structure schematic diagram.
Fig. 2 is this schematic diagram of device.
Dotted line with arrow in figure is flue gas flow direction.
In figure,
1, housing; 11, air inlet; 12, gas outlet; 13, flue gas flow rate detector; 14, controller; 15, filter screen;
2, heating water tank; 21, water inlet one; 22, delivery port one; 23, magnetic valve; 24, heat exchanger tube;
3, attemperater; 31, water inlet two; 32, delivery port two; 33, insulating tube.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As illustrated in fig. 1 and 2, a kind of efficient flue gas waste heat retracting device of the utility model, comprise housing 1, housing 1 top and bottom are respectively equipped with gas outlet 12 and air inlet 11, heating water tank 2 and attemperater 3 is respectively equipped with in housing 1, heating water tank 2 is provided with water inlet 1 and delivery port 1, water inlet 1 and delivery port 1 are respectively equipped with magnetic valve 23, attemperater 3 is provided with water inlet 2 31 and delivery port 2 32, delivery port 1 is communicated with water inlet 2 31, heating water tank 2 is provided with some hollow heat exchanger tubes 24, and heat exchanger tube 24 hollow space is communicated with air inlet 11 with gas outlet 12 respectively by heat exchanger tube 24 two ends, air inlet 11 is provided with flue gas flow rate detector 13, also comprise the controller 14 be connected with magnetic valve 23 and flue gas flow rate detector 13 respectively, flue gas flow rate detector 13 can detect the flue gas flow rate of air inlet 11, and opened and closed by controller 14 Controlling solenoid valve 23.
Further, attemperater 3 is provided with hollow insulation pipe 33, and insulating tube 33 hollow space is communicated with air inlet 11 with gas outlet 12 respectively by insulating tube 33 two ends.The part that heat exchanger tube 24 stretches into heating water tank 2 is spiral tubular structure.Gas outlet 12 is also provided with filter screen 15.
Air inlet 11 passes into flue gas, and flue gas enters in heat exchanger tube 24, and contact to utilize the flue gas heat in heat exchanger tube 24 with heating water tank 2 by heat exchanger tube 24, final flue gas is discharged from gas outlet 12; After water in heating water tank 2 is heated, entered in attemperater 3 by delivery port 1 and be incubated; Due to water inlet 1 and delivery port 1 being respectively equipped with magnetic valve 23, air inlet 11 is provided with flue gas flow rate detector 13, and flue gas flow rate detector 13 can detect the flue gas flow rate of air inlet 11, and opened and closed by controller 14 Controlling solenoid valve 23, therefore when flue gas flow rate changes, magnetic valve 23 can open and close to control the water yield, makes heat utilization ratio higher, avoids the trouble of manual control.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as housing 1, air inlet 11, gas outlet 12, flue gas flow rate detector 13, controller 14, filter screen 15, heating water tank 2, water inlet 1, delivery port 1, magnetic valve 23, heat exchanger tube 24, attemperater 3, water inlet 2 31, delivery port 2 32, insulating tube 33 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.

Claims (4)

1. an efficient flue gas waste heat retracting device, comprise housing (1), housing (1) top and bottom are respectively equipped with gas outlet (12) and air inlet (11), it is characterized in that: in described housing (1), be respectively equipped with heating water tank (2) and attemperater (3), described heating water tank (2) is provided with water inlet one (21) and delivery port one (22), described water inlet one (21) and delivery port one (22) are respectively equipped with magnetic valve (23), described attemperater (3) is provided with water inlet two (31) and delivery port two (32), described delivery port one (22) is communicated with water inlet two (31), described heating water tank (2) is provided with some hollow heat exchanger tubes (24), and described heat exchanger tube (24) hollow space is communicated with air inlet (11) with gas outlet (12) respectively by heat exchanger tube (24) two ends, described air inlet (11) is provided with flue gas flow rate detector (13), also comprise the controller (14) be connected with magnetic valve (23) and flue gas flow rate detector (13) respectively, described flue gas flow rate detector (13) can detect the flue gas flow rate of air inlet (11), and the magnetic valve (23) described in being controlled by controller (14) is opened and closed.
2. a kind of efficient flue gas waste heat retracting device according to claim 1, it is characterized in that: described attemperater (3) is provided with hollow insulation pipe (33), and described insulating tube (33) hollow space is communicated with air inlet (11) with gas outlet (12) respectively by insulating tube (33) two ends.
3. a kind of efficient flue gas waste heat retracting device according to claim 2, is characterized in that: the part that described heat exchanger tube (24) stretches into heating water tank (2) is spiral tubular structure.
4. a kind of efficient flue gas waste heat retracting device according to claim 3, is characterized in that: described gas outlet (12) is also provided with filter screen (15).
CN201520555003.1U 2015-07-28 2015-07-28 High -efficient residual heat from flue gas device Expired - Fee Related CN204830429U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520555003.1U CN204830429U (en) 2015-07-28 2015-07-28 High -efficient residual heat from flue gas device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520555003.1U CN204830429U (en) 2015-07-28 2015-07-28 High -efficient residual heat from flue gas device

Publications (1)

Publication Number Publication Date
CN204830429U true CN204830429U (en) 2015-12-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107726623A (en) * 2017-09-21 2018-02-23 东莞市联洲知识产权运营管理有限公司 A kind of intelligent power saving heats water system water storage device
CN111795582A (en) * 2020-07-07 2020-10-20 南京工业职业技术学院 Multistage waste heat recovery device for high-temperature flue gas of industrial furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107726623A (en) * 2017-09-21 2018-02-23 东莞市联洲知识产权运营管理有限公司 A kind of intelligent power saving heats water system water storage device
CN111795582A (en) * 2020-07-07 2020-10-20 南京工业职业技术学院 Multistage waste heat recovery device for high-temperature flue gas of industrial furnace

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Wang Maobo

Inventor before: Liang Cheng

TR01 Transfer of patent right

Effective date of registration: 20170531

Address after: 201, room 1, 030000 electronic road, Gaoxin District, Shanxi, Taiyuan

Patentee after: Shanxi Jin Tao Qingyuan Environmental Science & Technology Co Ltd

Address before: 317503 Wenling City, Taizhou province Binhai Town, the convergence of the village

Patentee before: Liang Cheng

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

Granted publication date: 20151202

Termination date: 20190728