CN206001437U - A kind of flue gas heat recovery device - Google Patents
A kind of flue gas heat recovery device Download PDFInfo
- Publication number
- CN206001437U CN206001437U CN201620948537.5U CN201620948537U CN206001437U CN 206001437 U CN206001437 U CN 206001437U CN 201620948537 U CN201620948537 U CN 201620948537U CN 206001437 U CN206001437 U CN 206001437U
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- Prior art keywords
- flue gas
- heat
- outlet
- pipe
- water inlet
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Abstract
The utility model discloses a kind of flue gas heat recovery device.Described device includes air-introduced machine, economizer and the heat exchange of heat pipe setting gradually, described heat exchange of heat pipe is provided with the first water inlet and the first outlet, described economizer is provided with the second water inlet and the second outlet, connected by water pipe I between described first outlet and the second water inlet, water pipe II is connected with described first water inlet, the second outlet is connected with water pipe III.This utility model has heat exchange efficiency height, and apparatus structure is simple, the low advantage of maintenance cost.
Description
Technical field
This utility model is related to a kind of flue gas heat recovery device.
Background technology
China is currently one of greenhouse gas emission state maximum in the world, and " energy-saving and emission-reduction " are Chinese society economic developments
An important core, and improve energy utilization rate, strengthen heat recovery be energy saving, reduce carbon emission, protection ring
The essential measure in border.
It is known that coal-burning power plant, metallurgy, petrochemical industry discharge flue gas in contain sulfur trioxide, exhaust gas temperature is too low to lead
There is acid dew corrosion and stifled ash in the wall causing heat exchanger heating surface, so the flue-gas temperature of discharge should not be too low, general way
It is using raising exhaust gas temperature or to improve the problem that inlet temperature to mitigate heat exchanger heating surface cold end corrosion.
Residual neat recovering system of the prior art, such as Publication No. CN102966941A, a kind of entitled " phase-change heat-exchanger
The patent of invention of the united residual neat recovering system with low-pressure coal saver ", residual neat recovering system disclosed in this patent includes flue gas cigarette
Road, terminal controller, down-comer, tedge, low-pressure coal saver, phase-change heat-exchanger and phase-change heat-exchange drum；It is characterized in：Also wrap
Include phase-change heat-exchanger tail flue gas temperature measurer, economizer heat exchange drum connecting tube, economizer connecting tube, heat exchange drum connecting tube,
High temperature heat-exchange working medium regulating valve and low-temperature heat exchange working medium temperature measurer, low-pressure coal saver and phase-change heat-exchanger are installed in flue gases duct
In, phase-change heat-exchanger tail flue gas temperature measurer is arranged on flue gases duct, and phase-change heat-exchange drum is located above flue gases duct, declines
Pipe is connected on phase-change heat-exchange drum and phase-change heat-exchanger, and tedge is connected on phase-change heat-exchange drum and phase-change heat-exchanger.Should
Although patent is capable of the recycling of fume afterheat, its complex structure, maintenance cost is high.
Utility model content
This utility model aims to solve the problem that the structure of residual neat recovering system in prior art not simplifies, high the asking of maintenance cost
Topic, provides a kind of new flue gas waste heat recovery system, by heat exchange of heat pipe and economizer are connected in flue, and from
It is passed through water at heat exchange of heat pipe, and goes out from economizer, after heat energy transmission, flue-gas temperature is greatly diminished, the temperature of demineralized water
It is raised to more than 50 DEG C, for other production processes.
In order to realize foregoing invention purpose, the technical solution of the utility model is as follows：
A kind of flue gas heat recovery device it is characterised in that：Including the air-introduced machine setting gradually, economizer and heat pipe
Heat exchanger, described heat exchange of heat pipe is provided with the first water inlet and the first outlet, and described economizer is provided with the second water inlet
With the second outlet, connected by water pipe I between described first outlet and the second water inlet, described first water inlet connects
It is connected to water pipe II, the second outlet is connected with water pipe III.
Be provided with flue gas between described air-introduced machine and economizer and enter pipeline, described flue gas enter pipeline be provided with pressure gauge,
Thermometer and the first valve.
Described water pipe II and water pipe III are provided with pressure gauge, thermometer and effusion meter.
One end of described heat exchange of heat pipe is connected with described economizer, and the other end of described heat exchange of heat pipe is provided with flue gas row
Go out pipeline, described smoke discharge tube road is provided with the second valve, pressure gauge and thermometer.
The arrival end of described first valve is connected by bypass duct with the port of export of the second valve, on described bypass duct
It is provided with bypass valve.
The beneficial effects of the utility model：
（1）This utility model passes through air-introduced machine, economizer and the heat exchange of heat pipe being arranged in series in flue, leads to
Cross air-introduced machine guiding flue gas（Temperature is higher than 115 DEG C）Be passed through economizer and heat exchanger, cold water after heat exchange of heat pipe is conducted heat,
It is passed through economizer again to be conducted heat further, water temperature is increased to more than 50 DEG C by room temperature, is directly used in production process, this practicality is new
The structure setting of type can either overcome the problem of acid corrosion, ensure that enough heat exchange areas again, and heat exchange efficiency is high, structure letter
Single, joint is few, and maintenance cost is low.
（2）The arrival end of the first valve of the present utility model is connected by bypass duct with the port of export of the second valve, other
Road pipeline is provided with bypass valve, when normally using, closes bypass valve；When heat exchanger overhauls, close the first valve and the
Two valves, open bypass valve, allow flue gas directly to discharge from bypass duct, do not affect the operation of boiler.
Brief description
Fig. 1 is structural representation of the present utility model.
Wherein, 1- air-introduced machine, 2- economizer, 3- heat exchange of heat pipe, 4- first water inlet, 5- first outlet, 6- second
Water inlet, 7- second outlet, 8- water pipe I, 9- water pipe II, 10- water pipe III, 11- flue gas enters pipeline, 12- pressure gauge, 13-
Thermometer, 14- first valve, 15- effusion meter, 16- smoke discharge tube road, 17- second valve, 18- bypass duct, 19- bypasses
Valve.
Specific embodiment
With reference to embodiment, this utility model is described in further detail, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1
A kind of flue gas heat recovery device, including the air-introduced machine 1 setting gradually, economizer 2 and heat exchange of heat pipe 3,
Described heat exchange of heat pipe 3 is provided with the first water inlet 4 and the first outlet 5, and described economizer 2 is provided with the second water inlet 6 He
Second outlet 7, is connected by water pipe I 8 between described first outlet 5 and the second water inlet 6, on described first water inlet 4
It is connected with water pipe II 9, the second outlet 7 is connected with water pipe III 10.
Embodiment 2
The present embodiment, on the basis of embodiment 1, is provided with flue gas and enters pipeline 11 between air-introduced machine 1 and economizer 2, described
Flue gas enters pipeline 11 and is provided with pressure gauge 12, thermometer 13 and the first valve 14, so that the monitoring of production process is better achieved.
Embodiment 3
On the basis of embodiment 1, described water pipe II 9 and water pipe III 10 are provided with pressure gauge 12, thermometer to the present embodiment
13 and effusion meter 15.
Embodiment 4
On the basis of embodiment 1, one end of described heat exchange of heat pipe 3 is connected the present embodiment with described economizer 2, described
The other end of heat exchange of heat pipe 3 is provided with smoke discharge tube road 16, and described smoke discharge tube road 16 is provided with the second valve 17, pressure
Table 12 and thermometer 13.
Embodiment 5
A kind of flue gas heat recovery device, including the air-introduced machine 1 setting gradually, economizer 2 and heat exchange of heat pipe 3,
Described heat exchange of heat pipe 3 is provided with the first water inlet 4 and the first outlet 5, and described economizer 2 is provided with the second water inlet 6 He
Second outlet 7, is connected by water pipe I 8 between described first outlet 5 and the second water inlet 6, on described first water inlet 4
It is connected with water pipe II 9, the second outlet 7 is connected with water pipe III 10.
Further, it is provided with flue gas between air-introduced machine 1 and economizer 2 and enters pipeline 11, described flue gas enters on pipeline 11
It is provided with pressure gauge 12, thermometer 13 and the first valve 14, so that the monitoring of production process is better achieved.
The water pipe II 9 of the present embodiment and water pipe III 10 are provided with pressure gauge 12, thermometer 13 and effusion meter 15.
One end of described heat exchange of heat pipe 3 is connected with described economizer 2, and the other end of described heat exchange of heat pipe 3 is provided with cigarette
Gas discharge line 16, described smoke discharge tube road 16 is provided with the second valve 17, pressure gauge 12 and thermometer 13.
The arrival end of described first valve 14 is connected by bypass duct 18 with the port of export of the second valve 17, described bypass
Pipeline 18 is provided with bypass valve 19.
In the device of the present embodiment, water used is demineralized water, and the temperature that flue gas enters device is 120 DEG C, and demineralized water is passed
Temperature after heat is 70～80 DEG C, for the staining procedure of fiber production process.
The above, be only preferred embodiment of the present utility model, and not this utility model is done with any pro forma limit
System, every any simple modification above example made according to technical spirit of the present utility model, equivalent variations, each fall within
Within protection domain of the present utility model.
Claims (5)
1. a kind of flue gas heat recovery device it is characterised in that：Including the air-introduced machine setting gradually（1）, economizer（2）With
Heat exchange of heat pipe（3）, described heat exchange of heat pipe（3）It is provided with the first water inlet（4）With the first outlet（5）, described economizer
（2）It is provided with the second water inlet（6）With the second outlet（7）, described first outlet（5）With the second water inlet（6）Between logical
Cross water pipe I（8）Connection, described first water inlet（4）On be connected with water pipe II（9）, the second outlet（7）On be connected with water pipe III
（10）.
2. as claimed in claim 1 a kind of flue gas heat recovery device it is characterised in that：Described air-introduced machine（1）And province
Coal device（2）Between be provided with flue gas and enter pipeline（11）, described flue gas enters pipeline（11）It is provided with pressure gauge（12）, thermometer
（13）With the first valve（14）.
3. as claimed in claim 1 a kind of flue gas heat recovery device it is characterised in that：Described water pipe II（9）And water
Pipe III（10）It is provided with pressure gauge（12）, thermometer（13）And effusion meter（15）.
4. as claimed in claim 2 a kind of flue gas heat recovery device it is characterised in that：Described heat exchange of heat pipe（3）
One end and described economizer（2）Connect, described heat exchange of heat pipe（3）The other end be provided with smoke discharge tube road（16）, described
Smoke discharge tube road（16）It is provided with the second valve（17）, pressure gauge（12）And thermometer（13）.
5. as claimed in claim 4 a kind of flue gas heat recovery device it is characterised in that：Described first valve（14）'s
Arrival end and the second valve（17）The port of export pass through bypass duct（18）Connect, described bypass duct（18）It is provided with bypass valve
Door（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948537.5U CN206001437U (en) | 2016-08-26 | 2016-08-26 | A kind of flue gas heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948537.5U CN206001437U (en) | 2016-08-26 | 2016-08-26 | A kind of flue gas heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206001437U true CN206001437U (en) | 2017-03-08 |
Family
ID=58197208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620948537.5U Expired - Fee Related CN206001437U (en) | 2016-08-26 | 2016-08-26 | A kind of flue gas heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206001437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312555A (en) * | 2017-08-23 | 2017-11-03 | 萍乡市华星化工设备填料有限公司 | Intelligent control type coking of coal flue gas waste heat recovery system |
-
2016
- 2016-08-26 CN CN201620948537.5U patent/CN206001437U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312555A (en) * | 2017-08-23 | 2017-11-03 | 萍乡市华星化工设备填料有限公司 | Intelligent control type coking of coal flue gas waste heat recovery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20200826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |