CN216384132U - Spiral air duct type steam boiler - Google Patents
Spiral air duct type steam boiler Download PDFInfo
- Publication number
- CN216384132U CN216384132U CN202121912089.0U CN202121912089U CN216384132U CN 216384132 U CN216384132 U CN 216384132U CN 202121912089 U CN202121912089 U CN 202121912089U CN 216384132 U CN216384132 U CN 216384132U
- Authority
- CN
- China
- Prior art keywords
- air duct
- flue gas
- type steam
- cover
- spiral air
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003546 flue gas Substances 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000007306 turnover Effects 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 14
- 239000000779 smoke Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Abstract
The utility model discloses a spiral air duct type steam boiler which is characterized by comprising a boiler body (1), a cover body (2) arranged at the upper end of the boiler body (1) and provided with a steam outlet (20), a flue gas cover (8) arranged in the boiler body (1), a separation net (6) arranged in the boiler body (1) and positioned below the flue gas cover (8), and a spiral air duct (4) with the lower end connected with the flue gas cover (8) and the upper end connected with the cover body (2). According to the utility model, the spiral air duct is arranged in the water storage cavity, so that the time of high-temperature flue gas in the water storage cavity can be prolonged when the high-temperature flue gas flows through the spiral air duct, and the heat conversion efficiency is improved.
Description
Technical Field
The utility model relates to the field of boilers, in particular to a spiral air duct type steam boiler.
Background
A steam boiler is a kind of boiler, and heats a medium such as water by generated steam, and is widely used in life and production. The existing steam boilers have the great problem that the heat exchange efficiency is low and the requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a spiral duct type steam boiler with higher waste heat recovery efficiency.
The purpose of the utility model is realized by the following technical scheme: a spiral air duct type steam boiler comprises a boiler body, a cover body arranged at the upper end of the boiler body and provided with a steam outlet, a smoke cover arranged in the boiler body, a separation net arranged in the boiler body and positioned below the smoke cover, and a spiral air duct, wherein the lower end of the spiral air duct is connected with the smoke cover, and the upper end of the spiral air duct is connected with the cover body; a combustion chamber is formed between the smoke cover and the separation net, an ash collecting chamber is formed between the separation net and the bottom of the furnace body, and a water storage cavity is formed between the smoke cover and the cover body; the spiral air duct is positioned in the water storage cavity; two clamping mechanisms for fixing the spiral air duct are arranged in the water storage cavity, and the two clamping mechanisms are arranged up and down.
The clamping mechanism comprises a fixed block for fixing the inner wall of the furnace body and a buckle connected to the fixed block through a turnover mechanism; the buckle can overturn.
The turnover mechanism comprises two mounting blocks which are oppositely arranged on the fixed block, a rotating shaft connected between the two mounting blocks, and a connecting rod, one end of which is connected with the rotating shaft, and the other end of which is connected with the buckle.
The turnover mechanism also comprises a baffle plate, and the baffle plate is arranged on the fixed block and is positioned on one side of the two mounting blocks; the connecting rod can lean against the stop dog when the pivot is rotatory.
The two turnover mechanisms are arranged in reverse.
A sealing gasket is arranged between the cover body and the furnace body.
The cover body is provided with an exhaust joint, and the upper end of the spiral air duct is connected with the exhaust joint.
The furnace body is provided with a feeding port, an ash discharging port, a water injection pipe and a water discharging pipe; the charging hole is communicated with the combustion chamber, the ash discharging hole is communicated with the ash collecting chamber, and the water injection pipe and the water discharging pipe are communicated with the water storage cavity.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
(1) according to the utility model, the spiral air duct is arranged in the water storage cavity, so that the time of high-temperature flue gas in the water storage cavity can be prolonged when the high-temperature flue gas flows through the spiral air duct, and the heat conversion efficiency is improved.
(2) The spiral air duct is fixed by the two clamping mechanisms, so that the stability of the spiral air duct is better.
(3) The upper end and the lower end of the spiral air duct are connected with the outside through the flanges, so that the spiral air duct is convenient to maintain and replace.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
Fig. 2 is a structural view of the tightening mechanism of the present invention.
Fig. 3 is an enlarged view of a point a in fig. 1.
The reference numbers in the above figures refer to: the device comprises a furnace body 1, a cover body 2, a cover body 3, a water injection pipe 4, a spiral air duct 5, an exhaust joint 6, a separation net 7, a clamping mechanism 8, a flue gas cover 9, a water discharge pipe 10, a combustion chamber 11, a charging opening 12, an ash collection chamber 13, an ash discharge opening 14, a fixing block 15, an installation block 16, a stop block 17, a connecting rod 18, a buckle 19, a sealing gasket and a steam outlet 20.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Examples
As shown in fig. 1, the spiral duct type steam boiler of the present invention comprises a boiler body 1, a cover body 2 disposed at the upper end of the boiler body 1 and having a steam outlet 20, a flue gas cover 8 disposed in the boiler body 1, a separation net 6 disposed in the boiler body 1 and located below the flue gas cover 8, and a spiral duct 4 having a lower end connected with the flue gas cover 8 and an upper end connected with the cover body 2. Specifically, the flue gas cover 8 and the separation net 6 are welded with the inner wall of the furnace body 1, a combustion chamber 10 is formed between the flue gas cover 8 and the separation net 6, an ash collecting chamber 12 is formed between the separation net 6 and the bottom of the furnace body 1, and a water storage cavity is formed between the flue gas cover 8 and the cover body 2; the spiral air duct 4 is positioned in the water storage cavity.
The furnace body 1 is provided with a feed inlet 11, the feed inlet 11 is communicated with a combustion chamber 10, when in use, fuel is added into the furnace body through the feed inlet 11, and the fuel is combusted on the separation net 6. The cover screen 6 is provided with through holes through which ashes produced by combustion fall into the ash collection chamber 12. The furnace body 1 is also provided with an ash discharge port 13, the ash discharge port 13 is communicated with the ash collection chamber 12, and ash is removed through the ash discharge port 13. In addition, the furnace body 1 is also provided with a water injection pipe 3 and a water discharge pipe 9, and the water injection pipe 3 and the water discharge pipe 9 are both communicated with the water storage cavity so as to add cold water into the water storage cavity.
As shown in fig. 3, a sealing gasket 19 is disposed between the cover 2 and the furnace body 1 to improve the sealing performance of the present invention.
Specifically, the flue gas cover 8 is horn-shaped, is in sealing connection with the spiral air duct 4 through a flange, and is used for collecting high-temperature flue gas generated after fuel combustion. The cover body 2 is provided with an exhaust joint 5, and the upper end of the spiral air duct 4 is hermetically connected with the exhaust joint 5 through a flange. High-temperature flue gas generated after combustion is collected by the flue gas cover 8 and then is introduced into the spiral air duct 4, and the flue gas exchanges heat with cold water in the water storage cavity when flowing in the spiral air duct 4, so that the temperature of the cold water is raised. The spiral air duct 4 can prolong the retention time of the flue gas in the water storage cavity and improve the heat exchange efficiency. The flue gas cover 8 also transfers heat generated by combustion to water in the water storage cavity when collecting flue gas, and water vapor generated after the water is heated is discharged from the steam outlet 20. The two ends of the spiral air duct 4 are connected with the outside through flanges, so that the maintenance and the replacement are convenient.
In order to better fix the spiral air duct 4, as shown in fig. 1, two clamping mechanisms 7 for fixing the spiral air duct 4 are arranged in the water storage cavity, and the two clamping mechanisms 7 are respectively located at two sides of the spiral air duct 4 and are arranged up and down.
As shown in fig. 2, the clamping mechanism 7 comprises a fixed block 14 welded and fixed on the inner wall of the furnace body 1, and a buckle 18 connected to the fixed block 14 through a turnover mechanism; the catch 18 can be reversed. Specifically, the turnover mechanism comprises two mounting blocks 15 arranged on the fixing block 14 oppositely, a rotating shaft connected between the two mounting blocks 15, and a connecting rod 17 with one end connected with the rotating shaft and the other end connected with a buckle 18. The buckle 18 is arc-shaped and is matched with the spiral air duct 4, and the spiral air duct 4 is clamped on the buckle 18 when in use, so that the spiral air duct 4 is fixed.
The turnover mechanism further comprises a baffle 16, and the baffle 16 is arranged on the fixed block 14 and is positioned on one side of the two mounting blocks 15; the connecting rod 17 can abut against the stop 16 when the rotating shaft rotates. And the two turnover mechanisms are arranged in reverse. The spiral air duct 4 can be fixed in the up-down direction through the clamping mechanism 7, and the spiral air duct 4 can be fixed in the left-right direction through the reverse cooperation of the two clamping mechanisms.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are included in the scope of the claims of the present invention, as long as they do not depart from the idea of the present invention, and they should be regarded as what the present invention protects.
As described above, the present invention can be preferably realized.
Claims (8)
1. A spiral air duct type steam boiler is characterized by comprising a boiler body (1), a cover body (2) which is arranged at the upper end of the boiler body (1) and is provided with a steam outlet (20), a flue gas cover (8) which is arranged in the boiler body (1), a separation net (6) which is arranged in the boiler body (1) and is positioned below the flue gas cover (8), and a spiral air duct (4) of which the lower end is connected with the flue gas cover (8) and the upper end is connected with the cover body (2); a combustion chamber (10) is formed between the flue gas cover (8) and the separation net (6), an ash collecting chamber (12) is formed between the separation net (6) and the bottom of the furnace body (1), and a water storage cavity is formed between the flue gas cover (8) and the cover body (2); the spiral air duct (4) is positioned in the water storage cavity; two clamping mechanisms (7) used for fixing the spiral air duct (4) are arranged in the water storage cavity, and the two clamping mechanisms (7) are arranged up and down.
2. A spiral duct type steam boiler according to claim 1, characterized in that the clamping mechanism (7) comprises a fixed block (14) fixed on the inner wall of the boiler body (1), a buckle (18) connected to the fixed block (14) through a turnover mechanism; the clasp (18) can be reversed.
3. A spiral duct type steam boiler according to claim 2, wherein the turnover mechanism comprises two mounting blocks (15) oppositely arranged on the fixing block (14), a rotating shaft connected between the two mounting blocks (15), and a connecting rod (17) with one end connected with the rotating shaft and the other end connected with a buckle (18).
4. A spiral duct type steam boiler according to claim 3, characterized in that the turnover mechanism further comprises a baffle plate (16), the baffle plate (16) is arranged on the fixed block (14) and is positioned at one side of the two mounting blocks (15); when the rotating shaft rotates, the connecting rod (17) can abut against the stop block (16).
5. A spiral duct type steam boiler according to claim 4, wherein the two turnover mechanisms are oppositely arranged.
6. A spiral duct type steam boiler according to claim 5, characterized in that a sealing gasket (19) is arranged between the body (1) of the cover body (2).
7. A spiral duct type steam boiler according to claim 6, characterized in that the cover body (2) is provided with an exhaust joint (5), and the upper end of the spiral duct (4) is connected with the exhaust joint (5).
8. A spiral duct type steam boiler according to claim 7, characterized in that the furnace body (1) is provided with a charging port (11), an ash discharging port (13), a water injection pipe (3) and a water discharging pipe (9); the feed inlet (11) is communicated with the combustion chamber (10), the ash discharge port (13) is communicated with the ash collection chamber (12), and the water injection pipe (3) and the water discharge pipe (9) are communicated with the water storage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121912089.0U CN216384132U (en) | 2021-08-16 | 2021-08-16 | Spiral air duct type steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121912089.0U CN216384132U (en) | 2021-08-16 | 2021-08-16 | Spiral air duct type steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216384132U true CN216384132U (en) | 2022-04-26 |
Family
ID=81240016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121912089.0U Expired - Fee Related CN216384132U (en) | 2021-08-16 | 2021-08-16 | Spiral air duct type steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216384132U (en) |
-
2021
- 2021-08-16 CN CN202121912089.0U patent/CN216384132U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20220426 |