CN218442389U - Biomass boiler air preheating device - Google Patents
Biomass boiler air preheating device Download PDFInfo
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- CN218442389U CN218442389U CN202222142229.1U CN202222142229U CN218442389U CN 218442389 U CN218442389 U CN 218442389U CN 202222142229 U CN202222142229 U CN 202222142229U CN 218442389 U CN218442389 U CN 218442389U
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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 discloses a biomass boiler air preheating device, including the air preheating shell body, the left and right sides of air preheating shell body is equipped with air intlet and air outlet respectively, there is the baffle at air preheating shell body internally mounted respectively in air intlet and air outlet, when carrying out the heat transfer, the air can be gone into in the heat exchange tube through air intlet, at first carry out filtration treatment to the air through air filter, can reduce the condition that the heat exchange tube is inside to be blockked up, at the in-process that carries out the heat transfer, flue gas from the top down moves, carry out the heat transfer operation, after long-time work, the heat exchange tube outer end can be tied up with the one deck dirt, control driving motor work this moment, it rotates to drive the lead screw, at the pivoted in-process, drive the sliding seat and remove, alright drive the removal scraper blade removal that the lower extreme is connected, scrape the hole through the clearance and clear up the heat exchange tube outer wall, the clearance effect to the heat exchange tube is improved, can guarantee the holistic heat exchange efficiency of heat exchange tube.
Description
Technical Field
The utility model belongs to the technical field of the air preheats, specifically be a biomass boiler air preheating device.
Background
The air preheater is a kind of gas-gas heat exchanger which uses the heat of flue gas to heat the air needed by the boiler combustion, and is an important and indispensable part in the boiler.
Present air heater is after long-time the use, because impurity is too much in the flue gas, the ash phenomenon appears piling easily on the heat exchange tube, influence holistic air preheating effect, the incident still appears easily simultaneously, at present mainly through gaseous purge cleaning, but only gaseous purging, can only blow away the ash on heat exchange tube surface, and the dirt of adhesion on the heat exchanger is hardly cleared up, still can influence holistic heat transfer effect, in order to solve above problem, a biomass boiler air preheating device has been proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an: in order to solve the problems proposed above, a biomass boiler air preheating device is provided.
The utility model adopts the technical scheme as follows: an air preheating device of a biomass boiler comprises an air preheating outer shell, wherein an air inlet and an air outlet are respectively formed in the left side and the right side of the air preheating outer shell, a partition plate is respectively arranged in the air inlet and the air outlet and inside the air preheating outer shell, and a plurality of groups of heat exchange tubes are arranged on through holes uniformly formed in the partition plate;
an air filter element is arranged at the air inlet end of the heat exchange tube through a fixing screw;
mobilizable clearance subassembly is installed to the outer end of heat exchange tube, the clearance subassembly is including the clearance scraper blade, set up in the clearance scraper blade with the clearance scraping hole of heat exchange tube outer wall laminating mutually, the upper end both sides of clearance scraper blade are connected with the sliding seat through the connecting plate, sliding seat threaded connection is on the lead screw.
In a preferred embodiment, the cleaning scraping holes correspond to the number of the heat exchange tubes, and the upper end and the lower end of the air preheating outer shell are respectively communicated with a flue gas inlet and a flue gas outlet.
In a preferred embodiment, the two sides of the upper end of the exhaust port are provided with downward-inclined guide plates, and one side of the air preheating outer shell is provided with a maintenance port with a sealing cover.
In a preferred embodiment, temperature sensors are inserted on the flue gas inlet and the air outlet.
In a preferred embodiment, the upper end of the sliding seat is provided with a guide block, the guide block is slidably mounted in a guide groove formed in the inner wall of the upper side of the air preheating outer shell, and the screw rods are arranged on two sides of the inner wall of the upper side of the air preheating outer shell.
In a preferred embodiment, one side of the screw rod is connected with a driving motor, and the driving motor is installed at the outer end of the right side of the air preheating outer shell.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, when the heat transfer, carry out real-time filtration treatment through air filter to the air that emits into, after long-time the use, control driving motor drives the lead screw and rotates, drives the sliding seat and removes with the clearance scraper blade, scrapes the hole through the clearance and clears up the heat exchange tube outer wall, can guarantee the clearance effect to the heat exchange tube, can guarantee the holistic heat exchange efficiency of heat exchange tube, wholly clears up for automatic moreover, has guaranteed holistic cleaning efficiency.
Drawings
Fig. 1 is a schematic view of the overall cross-sectional plane structure of the present invention;
fig. 2 is a schematic diagram of a three-dimensional structure of the cleaning assembly of the present invention;
fig. 3 is a schematic diagram of an enlarged structure at a of the present invention.
The labels in the figure are: 1-a flue gas inlet, 2-a screw rod, 3-an air preheating outer shell, 4-an air inlet, 5-a guide plate, 6-a discharge port, 7-an air outlet, 8-a cleaning assembly, 81-a connecting plate, 82-a cleaning scraper, 83-a cleaning scraping hole, 9-a driving motor, 10-a sliding seat, 11-a heat exchange tube, 12-an air filter element and 13-a clapboard.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-3, a biomass boiler air preheating device, including air preheating shell body 3, the left and right sides of air preheating shell body 3 is equipped with air inlet 4 and air outlet 7 respectively, the hole 83 is scraped in the clearance corresponds with heat exchange tube 11 quantity, the upper and lower end of air preheating shell body 3 communicates flue gas inlet 1 and discharge port 6 respectively, when carrying out the heat transfer, the flue gas that has the temperature through flue gas inlet 1 row, then the air of entering through air inlet 4, when discharging, the flue gas that has the temperature can carry out the heating operation to the air in heat exchange tube 11, alright completion the preheating operation of air.
The air inlet 4 and the air outlet 7 are internally provided with a partition plate 13 respectively in the air preheating outer shell 3, a plurality of groups of heat exchange tubes 11 are arranged on through holes uniformly formed in the partition plate 13, an air filter element 12 is arranged at the air inlet end of each heat exchange tube 11 through a fixing screw, air can be discharged into the heat exchange tubes 11 through the air inlet 7, the air is firstly filtered through the air filter element 12 when discharged, and the condition of internal blockage of the heat exchange tubes 11 can be reduced.
Mobilizable clearance subassembly 8 is installed to heat exchange tube 11's outer end, clearance subassembly 8 is including clearance scraper 82, clearance scraping hole 83 is scraped with the clearance of laminating mutually of heat exchange tube 11 outer wall to having seted up in the clearance scraper 82, the upper end both sides of clearance scraper 82 are connected with sliding seat 10 through connecting plate 81, sliding seat 10 threaded connection is on lead screw 2, remove about sliding seat 10, alright drive the clearance scraper 82 that the lower extreme is connected and remove, hole 83 is scraped to the clearance through the laminating clears up the heat exchange tube 11 outer wall and clears up, can guarantee the clearance effect to heat exchange tube 11, make and guarantee the holistic heat exchange efficiency of heat exchange tube 11.
In this embodiment, the exhaust port 6 is provided with a cleaning port with a sealing cover, the two sides of the upper end of the exhaust port 6 are provided with guide plates 5 which incline downwards, one side of the air preheating outer shell 3 is provided with a maintenance port with a sealing cover, the maintenance port can be opened to replace the internal air filter element 12, and other accessories can be maintained, so that the service life of the whole air preheating outer shell is ensured.
In this embodiment, temperature sensor has been inserted on gas inlet 1 and the air outlet 7, can carry out real-time supervision to the flue gas temperature of discharging and exhaust air temperature through temperature sensor and handle, when the temperature crosses lowly, can cooperate the electric fan heater to carry out supplementary preheating operation, has guaranteed holistic air preheating effect.
In this embodiment, the guide block is installed to the upper end of sliding seat 10, and guide block slidable mounting is in the guide way that the air preheats shell body 3 upside inner wall and seted up, and lead screw 2 sets up in the upside inner wall both sides of air preheating shell body 3, through the cooperation of guide block and guide way, can remove sliding seat 10 and play supplementary guide effect for sliding seat 10 can remove according to horizontal plane.
In this embodiment, one side of the screw rod 2 is connected with the driving motor 9, the driving motor 9 is installed at the outer end of the right side of the air preheating shell body 3, the driving motor 9 is externally connected with a power supply, so that the screw rod 2 can be driven to rotate, and in the rotating process of the screw rod 2, the sliding seat 10 is driven to move, so that the omnibearing cleaning operation of the heat exchange pipe 11 can be realized.
When carrying out the heat transfer, the air can be discharged into in the heat exchange tube 11 through air intlet 7, at first carry out filtration treatment to the air through air filter 12 when discharging into, can reduce the condition that the inside jam of heat exchange tube 11 appears, at the in-process of carrying out the heat transfer, flue gas from the top down motion, carry out the heat transfer operation, after long-time work, heat exchange tube 11 outer end can be tied up there is the one deck dirt, control driving motor 9 work this moment, drive lead screw 2 and rotate, at 2 pivoted in-process of lead screw, control and remove about driving sliding seat 10, alright drive the clearance scraper blade 82 that the lower extreme is connected and remove, the clearance via the laminating scrapes hole 83 and clears up heat exchange tube 11 outer wall, can guarantee the clearance effect to heat exchange tube 11, make can guarantee the holistic heat exchange efficiency of heat exchange tube 11.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a biomass boiler air preheating device, includes air preheating shell body (3), its characterized in that: the air preheating device is characterized in that an air inlet (4) and an air outlet (7) are respectively formed in the left side and the right side of the air preheating outer shell (3), a partition plate (13) is respectively arranged in the air inlet (4) and the air outlet (7) inside the air preheating outer shell (3), and a plurality of groups of heat exchange tubes (11) are arranged on through holes uniformly formed in the partition plate (13);
an air filter element (12) is arranged at the air inlet end of the heat exchange tube (11) through a fixing screw;
mobilizable clearance subassembly (8) is installed to the outer end of heat exchange tube (11), clearance subassembly (8) are including clearance scraper blade (82), set up in clearance scraper blade (82) and scrape hole (83) with the clearance that heat exchange tube (11) outer wall laminated mutually, the upper end both sides of clearance scraper blade (82) are connected with sliding seat (10) through connecting plate (81), sliding seat (10) threaded connection is on lead screw (2).
2. The air preheating device of the biomass boiler as recited in claim 1, wherein: the cleaning scraping holes (83) correspond to the heat exchange tubes (11) in number, and the upper end and the lower end of the air preheating outer shell (3) are respectively communicated with a flue gas inlet (1) and a discharge port (6).
3. The air preheating device of the biomass boiler as recited in claim 2, wherein: guide plates (5) inclining downwards are arranged on two sides of the upper end of the exhaust port (6), and a maintenance opening with a sealing cover is arranged on one side of the air preheating outer shell (3).
4. The air preheating device of the biomass boiler as recited in claim 2, wherein: temperature sensors are inserted into the smoke inlet (1) and the air outlet (7).
5. The air preheating device of the biomass boiler as recited in claim 1, wherein: the guide block is installed to the upper end of sliding seat (10), guide block slidable mounting is in the guide way that air preheating shell body (3) upside inner wall was seted up, lead screw (2) set up the upside inner wall both sides at air preheating shell body (3).
6. The air preheating device of the biomass boiler according to claim 1, characterized in that: one side of the screw rod (2) is connected with a driving motor (9), and the driving motor (9) is installed at the outer end of the right side of the air preheating outer shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222142229.1U CN218442389U (en) | 2022-08-15 | 2022-08-15 | Biomass boiler air preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222142229.1U CN218442389U (en) | 2022-08-15 | 2022-08-15 | Biomass boiler air preheating device |
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| Publication Number | Publication Date |
|---|---|
| CN218442389U true CN218442389U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222142229.1U Active CN218442389U (en) | 2022-08-15 | 2022-08-15 | Biomass boiler air preheating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117232005A (en) * | 2023-11-15 | 2023-12-15 | 宝鸡市海鑫钛镍有限公司 | Anti-blocking air preheating device |
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2022
- 2022-08-15 CN CN202222142229.1U patent/CN218442389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117232005A (en) * | 2023-11-15 | 2023-12-15 | 宝鸡市海鑫钛镍有限公司 | Anti-blocking air preheating device |
| CN117232005B (en) * | 2023-11-15 | 2024-01-30 | 宝鸡市海鑫钛镍有限公司 | Anti-blocking air preheating device |
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