CN202902329U - Air inlet device using boiler tail gas waste heat to heat boiler - Google Patents
Air inlet device using boiler tail gas waste heat to heat boiler Download PDFInfo
- Publication number
- CN202902329U CN202902329U CN2012205588035U CN201220558803U CN202902329U CN 202902329 U CN202902329 U CN 202902329U CN 2012205588035 U CN2012205588035 U CN 2012205588035U CN 201220558803 U CN201220558803 U CN 201220558803U CN 202902329 U CN202902329 U CN 202902329U
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- China
- Prior art keywords
- air
- boiler
- heat exchanger
- heat
- tail gas
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- 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 - Lifetime
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model belongs to the technical field of waste heat using equipment, and provides an air inlet device using boiler tail gas waste heat to heat a boiler. The air inlet device comprises a heat exchanger, a boiler tail gas gas-in gas-out pipe piece and an air air-in air-out pipe piece, wherein the boiler tail gas gas-in gas-out pipe piece and the air air-in air-out pipe piece are connected with the heat exchanger, a heat exchange pipe is arranged in an inner cavity of the heat exchanger and communicated with the boiler tail gas gas-in gas-out pipe piece, and the inner cavity of the heat exchanger is communicated with the air air-in air-out pipe piece. The air inlet device using the boiler tail gas waste heat to heat the boiler is simple in structure and reasonable in design. Heat exchange of cold air entering into a heat exchange body through the air air-in air-out pipe piece and boiler tail gas waste heat entering into the heat exchange body through the boiler tail gas gas-in gas-out pipe piece is carried out, calefactive air enters into the boiler through an air outlet pipe for utilization, the temperature of boiler combustion gas is improved, the heat utilization rate is improved, cooled boiler tail gas enters into a cloth bag for dust extraction, and service life of the cloth bag is prolonged.
Description
Technical field
The utility model belongs to the waste heat utilization device technical field, is specifically related to a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler.
Background technology
At present, the tail gas that produces after boiler uses must be through dust-removing sulphur removing function.When carrying out dust removal operation, adopt the method for bag-type dust, the boiler exhaust gas of excess Temperature enters cloth bag and carries out dedusting, causes on the one hand the waste of thermal resource, and the too high cloth bag that enters of exhaust temperature destroys dust collecting sleeve easily on the other hand, reduces cloth bag service life.
The utility model content
For the problem that prior art exists, the purpose of this utility model is to design a kind of technical scheme of utilizing the inlet duct of waste heat of boiler tail gas heating boiler is provided.
Described a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler, the boiler exhaust gas turnover tracheae spare that it is characterized in that comprising heat exchanger and be connected with heat exchanger and air turnover tracheae spare, be provided with heat exchanger tube in the described heat exchanger cavity, described heat exchanger tube communicates with boiler exhaust gas turnover tracheae spare, and described heat exchanger cavity communicates with air turnover tracheae spare.
Described a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler is characterized in that described heat exchanger lower end is provided with cleaning door.
Described a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler, it is characterized in that described boiler exhaust gas turnover tracheae spare comprises boiler exhaust gas air inlet pipe and boiler exhaust gas escape pipe, described boiler exhaust gas air inlet pipe is arranged at the heat exchanger lower end, and described boiler exhaust gas escape pipe is arranged at the upper end of heat exchanger Keep away from boiler tail gas air inlet pipe one side.
Described a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler, it is characterized in that described air turnover tracheae spare comprises air intake duct and air escape pipe, described air intake duct is arranged at the heat exchanger upper end, and described air escape pipe is arranged at heat exchanger away from the lower end of air intake duct one side.
Above-mentioned a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler, simple in structure, reasonable in design, enter the cold air of heat exchanging body by air intake duct and carry out exchange heat with the waste heat of boiler tail gas that enters heat exchanging body by the boiler exhaust gas air inlet pipe, the air that heats up enters boiler utilization through the air escape pipe, has improved the boiler combustion gas temperature, has improved heat utilization efficiency, the boiler exhaust gas of cooling enters cloth bag and carries out dedusting, prolongs the service life of cloth bag.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1-air escape pipe; 2-boiler exhaust gas air inlet pipe; The 3-heat exchanger; The 4-heat exchanger tube; The 5-cleaning door; The 6-air intake duct; 7-boiler exhaust gas escape pipe.
The specific embodiment
Further specify the utility model below in conjunction with Figure of description.
As shown in the figure, a kind of inlet duct of waste heat of boiler tail gas heating boiler that utilizes comprises that heat exchanger 3 reaches boiler exhaust gas turnover tracheae spare and the air turnover tracheae spare that is connected with heat exchanger 3.Heat exchanger 3 inner chambers communicate with air turnover tracheae spare.Be provided with heat exchanger tube 4 in heat exchanger 3 inner chambers, heat exchanger tube 4 communicates with boiler exhaust gas turnover tracheae spare.
Boiler exhaust gas turnover tracheae spare comprises boiler exhaust gas air inlet pipe 2 and boiler exhaust gas escape pipe 7, and tail gas air inlet pipe 2 and boiler exhaust gas escape pipe 7 communicate with heat exchanger tube 4.Air turnover tracheae spare comprises air intake duct 6 and air escape pipe 1, and air intake duct 6 and air escape pipe 1 communicate with heat exchanger 3 inner chambers.Boiler exhaust gas air inlet pipe 2 and air escape pipe 1 are arranged on the lower end of heat exchanger 3, and boiler exhaust gas escape pipe 7 and air escape pipe 1 are arranged at the upper end of heat exchanger 3 Keep away from boiler tail gas air inlet pipe 2 and air escape pipe 1 one sides.
For the convenient dust of removing in the heat exchanger 3, be provided with cleaning door 5 in heat exchanger 3 lower ends, and cleaning door 5 communicates with boiler exhaust gas air inlet pipe 2.
During use, boiler exhaust gas enters heat exchanging body 3 from boiler exhaust gas air inlet pipe 2, air enters heat exchanging body 3 from air intake duct 6, through heat exchanger tube 4 heat-shifts, boiler exhaust gas is sent from boiler exhaust gas escape pipe 7 behind the heat-shift, the dust that heat exchanging body 3 interior boiler exhaust gas produce is regularly discharged from cleaning door 5, and the air after the intensification enters boiler from air escape pipe 1.
Shown in the above and the figure only is preferred embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (4)
1. inlet duct that utilizes the waste heat of boiler tail gas heating boiler, the boiler exhaust gas turnover tracheae spare that it is characterized in that comprising heat exchanger (3) and be connected with heat exchanger (3) and air turnover tracheae spare, be provided with heat exchanger tube (4) in described heat exchanger (3) inner chamber, described heat exchanger tube (4) communicates with boiler exhaust gas turnover tracheae spare, and described heat exchanger (3) inner chamber communicates with air turnover tracheae spare.
2. a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler as claimed in claim 1 is characterized in that described heat exchanger (3) lower end is provided with cleaning door (5).
3. a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler as claimed in claim 1, it is characterized in that described boiler exhaust gas turnover tracheae spare comprises boiler exhaust gas air inlet pipe (2) and boiler exhaust gas escape pipe (7), described boiler exhaust gas air inlet pipe (2) is arranged at heat exchanger (3) lower end, and described boiler exhaust gas escape pipe (7) is arranged at the upper end of heat exchanger (3) Keep away from boiler tail gas air inlet pipe (2) one sides.
4. a kind of inlet duct that utilizes the waste heat of boiler tail gas heating boiler as claimed in claim 1, it is characterized in that described air turnover tracheae spare comprises air intake duct (6) and air escape pipe (1), described air intake duct (6) is arranged at heat exchanger (3) upper end, and described air escape pipe (1) is arranged at heat exchanger (3) away from the lower end of air intake duct (6) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205588035U CN202902329U (en) | 2012-10-29 | 2012-10-29 | Air inlet device using boiler tail gas waste heat to heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205588035U CN202902329U (en) | 2012-10-29 | 2012-10-29 | Air inlet device using boiler tail gas waste heat to heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202902329U true CN202902329U (en) | 2013-04-24 |
Family
ID=48122990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205588035U Expired - Lifetime CN202902329U (en) | 2012-10-29 | 2012-10-29 | Air inlet device using boiler tail gas waste heat to heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202902329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382809A (en) * | 2016-11-07 | 2017-02-08 | 广西南宁侨盛木业有限责任公司 | Drying device capable of recycling exhaust waste heat and dust of boiler |
-
2012
- 2012-10-29 CN CN2012205588035U patent/CN202902329U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382809A (en) * | 2016-11-07 | 2017-02-08 | 广西南宁侨盛木业有限责任公司 | Drying device capable of recycling exhaust waste heat and dust of boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Fuyang District of Hangzhou City, Zhejiang province 311412 Hong Jia Tang Town Patentee after: ZHEJIANG BENLE BIOTECHNOLOGY CO.,LTD. Address before: Hangzhou City, Zhejiang province 311412 Fuyang City Economic Development Zone Fuyang District Chang Kou Hong Jia Tang Patentee before: HANGZHOU FUYANG XINXING INDUSTRIAL Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |