CN211502739U - Self-circulation boiler economizer structure - Google Patents
Self-circulation boiler economizer structure Download PDFInfo
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- CN211502739U CN211502739U CN201922501693.3U CN201922501693U CN211502739U CN 211502739 U CN211502739 U CN 211502739U CN 201922501693 U CN201922501693 U CN 201922501693U CN 211502739 U CN211502739 U CN 211502739U
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Abstract
The utility model discloses a self-loopa boiler economizer structure, including the economizer, drum device and belt cleaning device install respectively in one side and the top of economizer, set up snakelike flue and coiled pipe, the time that the flue gas dwelled in the flue has been prolonged, the water in the coiled pipe is heated to the heat in the make full use of flue gas, reduce the burning of coal, the cost is saved, installation drum device, at the boiler initial stage of igniteing, utilize the pressure drop difference to irritate the water in the water storage tank to the coiled pipe in, prevent that the overheated emergence of coiled pipe air traffic control from exploding the breakage, wait boiler temperature to rise, the coiled pipe that water thermal expansion flows through the economizer, partly get back to the water storage tank again, maintain the pressure stability in the coiled pipe, this self-loopa boiler economizer structure, excellent structure, high thermal efficiency, safety and stability.
Description
Technical Field
The utility model relates to a waste heat recovery equipment technical field specifically is a self-loopa boiler economizer structure.
Background
The economizer is a device which is arranged at the lower part of a flue at the tail part of a boiler and used for recovering the waste heat of discharged smoke, and the economizer is called as the economizer because the economizer absorbs the heat of high-temperature smoke, reduces the smoke discharging temperature of the smoke, saves energy and improves efficiency.
When the economizer is used, when smoke passes through the economizer pipeline, the pipeline can be abraded, and the service life of the economizer pipeline can be shortened; flue gas passing through the economizer may contain a large amount of dust, and exhaust to the outside air may cause environmental pollution, and the economizer may accumulate a large amount of dust and dirt inside for a long time use, and may need cleaning. However, the traditional economizer is too simple in structure, heat in flue gas cannot be fully utilized, dust adhered to the outer surface of the pipeline cannot be cleaned, and a heating pipeline is easily damaged due to the fact that the economizer protection device at the initial stage of boiler ignition is lost. Therefore, we propose a self-circulating boiler economizer.
In order to fully retrieve the heat in the flue gas, conveniently wash the pipeline outer wall, implement the protection to heating pipeline, the utility model discloses a set up snakelike flue and coiled pipe, installation steam pocket device and belt cleaning device realize the target.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-loopa boiler economizer structure, through setting up snakelike flue and coiled pipe, installation steam pocket device and belt cleaning device to the problem among the prior art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: a self-circulation boiler economizer structure comprises an economizer, a steam pocket device and a cleaning device, wherein the steam pocket device and the cleaning device are respectively installed on one side and the top of the economizer, the economizer comprises a shell, a partition plate, a serpentine flue, a serpentine pipe, an installation block, a water inlet pipe, a water outlet pipe, a smoke inlet, a smoke outlet, a water outlet and a first support column, the partition plate is arranged inside the shell, the partition plate is alternately installed up and down to form the serpentine flue, the serpentine pipe is fixed on the inner walls on two sides of the shell through the installation block, the water inlet pipe and the water outlet pipe are arranged on the outer wall on one side of the shell and are respectively and fixedly connected with one end of the serpentine pipe, the smoke inlet and the smoke outlet are respectively arranged on one side of the upper part of the shell, the water outlet is installed at the bottom of the shell, the bottoms on two ends of the;
the steam pocket device comprises a water storage tank, a second support column, a water inlet, a guide pipe, a pressure valve A, a water outlet and a pressure valve B, wherein the second support column is installed at the bottom of the water storage tank, the upper end of the water storage tank is provided with the water inlet, the water inlet is fixedly connected with one end of the guide pipe, the other end of the guide pipe is connected with one end of the pressure valve A, the other end of the pressure valve A is connected with a water outlet pipe through the guide pipe, the water outlet is arranged at one side of the water storage tank, the water outlet is fixedly connected with one end of the pressure valve B through the guide;
the cleaning device comprises a water tank, a high-pressure pump, a water pipe A, a control valve, a water pipe B and a spray head, wherein the water tank is installed at the top of the shell, the high-pressure pump is placed at the bottom of the water tank, one end of the water pipe A is fixedly connected with the high-pressure pump, the other end of the water pipe A penetrates through the side wall of the water tank and is connected with one end of the control valve, the other end of the control valve is connected with the water pipe B, the water pipe B penetrates through the top of the shell.
Preferably, the coiled pipe comprises an inner pipeline, a protective pipe layer and copper sheets, the protective pipe layer is sleeved on the outer wall of the inner pipeline, and the copper sheets are uniformly arranged on the outer wall of the protective pipe layer.
Preferably, the protective tube layer is a member made of a material with good thermal conductivity and corrosion resistance.
Preferably, the bottom plate of the shell is of a V-shaped structure, and a water outlet is formed in a sharp corner.
Preferably, the lower end of the top plate and the upper end of the bottom plate of the shell are respectively and sequentially fixedly connected with one end of the partition plate side by side in an alternating mode, and the other end of the partition plate is suspended.
Preferably, the spray head is suspended above the serpentine tube within the serpentine flue.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. this self-loopa boiler economizer structure sets up snakelike flue and coiled pipe, has prolonged the time that the flue gas stayed in the flue, and the water in the heat in the make full use of flue gas heats the coiled pipe, reduces the burning of coal, has practiced thrift the cost.
2. The self-circulation boiler economizer structure is provided with the steam pocket device, and water in the water storage tank is filled into the coiled pipe by utilizing the pressure drop difference at the initial ignition stage of the boiler, so that the hollow pipe of the coiled pipe is prevented from being overheated, the hollow pipe is prevented from being burst and damaged, when the temperature of the boiler rises, the water flows through the coiled pipe of the economizer after being heated and expanded, and part of water returns to the water storage tank again, so that the pressure in the coiled pipe is kept stable.
3. This self-loopa boiler economizer structure has installed belt cleaning device, does not use the cooling back at the boiler, carries out the water spray clearance to the outer wall of coiled pipe, washes away the smoke and dust, prevents that the coiled pipe outer wall smoke and dust from too much leading to the heat transfer to be obstructed, improves heat utilization and rates.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the economizer of the present invention;
FIG. 3 is a cross-sectional view of a serpentine tube of the present invention;
fig. 4 is a schematic structural view of the steam drum device of the present invention;
fig. 5 is a schematic structural view of the cleaning device of the present invention.
In the figure: 1. a coal economizer; 11. a housing; 12. a partition plate; 13. a serpentine flue; 14. a serpentine tube; 15. mounting blocks; 16. a water inlet pipe; 17. a water outlet pipe; 18. a smoke inlet; 19. a smoke outlet; 110. a water outlet; 111. a first support column; 2. a drum device; 21. a water storage tank; 22. a second support column; 23. a water inlet; 24. a conduit; 25. a pressure valve A; 26. a water outlet; 27. a pressure valve B; 3. a cleaning device; 31. a water tank; 32. a high pressure pump; 33. a water pipe A; 34. a control valve; 35. a water pipe B; 36. and (4) a spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a self-circulation boiler economizer structure comprises an economizer 1, a drum device 2 and a cleaning device 3, wherein the drum device 2 and the cleaning device 3 are respectively installed at one side and the top of the economizer 1, the economizer 1 comprises a shell 11, a partition plate 12, a serpentine flue 13, a serpentine pipe 14, an installation block 15, a water inlet pipe 16, a water outlet pipe 17, a smoke inlet 18, a smoke outlet 19, a water outlet 110 and a first support column 111, the lower end of a top plate and the upper end of a bottom plate of the shell 11 are respectively and sequentially and alternately connected with one end of the partition plate 12 in parallel, the other end of the partition plate 12 is suspended, the partition plate 12 is vertically and alternately installed to form the serpentine flue 13, the serpentine pipe 14 is fixed on the inner walls at two sides of the shell 11 through the installation block 15, the serpentine pipe 14 comprises an inner pipe 141, a protective pipe layer 142 and a copper sheet 143, the protective pipe layer 142 is sleeved on the outer wall of the inner pipe 141, the protective tube layer 142 is a member made of a material with good thermal conductivity and corrosion resistance, the water inlet tube 16 and the water outlet tube 17 are disposed on the outer wall of one side of the casing 11 and are respectively fixedly connected with one end of the serpentine tube 14, the smoke inlet 18 and the smoke outlet 19 are respectively disposed on one side of the upper portion of the casing 11, the bottom plate of the casing 11 is of a V-shaped structure, the water outlet 110 is disposed at a sharp corner, the first support column 111 is respectively fixedly connected at the bottom corners of two ends, and the steam drum device 2 is mounted on one side of the economizer 1.
Referring to fig. 4, a self-circulation boiler economizer structure, a drum device 2 includes a water storage tank 21, a second support column 22, a water inlet 23, a conduit 24, a pressure valve a25, a water outlet 26 and a pressure valve B27, the second support column 22 is installed at the bottom of the water storage tank 21, the water inlet 23 is arranged at the upper end of the water storage tank, the water inlet 23 is fixedly connected with one end of the conduit 24, the other end of the conduit 24 is connected with one end of the pressure valve a25, the other end of the pressure valve a25 is connected with a water outlet pipe 17 through the conduit 24, the water outlet 26 is arranged at one side of the water storage tank 21, the water outlet 26 is fixedly connected with one end of the pressure valve B27 through the conduit 24, and the other end of the pressure valve B.
Referring to fig. 5, a cleaning device 3 includes a water tank 31, a high pressure pump 32, a water pipe a33, a control valve 34, a water pipe B35 and a spray head 36, the water tank 31 is installed on the top of a housing 11, the high pressure pump 32 is placed at the bottom of the water tank 31, the high pressure pump 32 is fixedly connected with one end of a water pipe a33, the other end of the water pipe a33 penetrates through the side wall of the water tank 31 and is connected with one end of the control valve 34, the other end of the control valve 34 is connected with a water pipe B35, a water pipe B35 penetrates through the top of the housing 11 and extends into the interior of the housing 11, the tail end is fixedly connected with the spray head 36, and the spray head 36 is suspended above.
In summary, the following steps: the self-circulation boiler economizer structure is provided with the serpentine flue 13 and the serpentine pipe 14, so that the residence time of flue gas in the flue is prolonged, the heat in the flue gas is fully utilized to heat water in the serpentine pipe 14, the combustion of coal is reduced, and the cost is saved; installing the steam pocket device 2, filling water in the water storage tank 21 into the coiled pipe 14 by utilizing pressure drop difference at the initial stage of boiler ignition, preventing the hollow pipe of the coiled pipe 14 from being overheated to generate burst damage, preventing the water from flowing through the coiled pipe 14 of the economizer 1 after the boiler temperature rises due to heating expansion, and maintaining the pressure stability in the coiled pipe 14 after part of the water returns to the water storage tank 21; having installed belt cleaning device 3, not having used the cooling back at the boiler, having carried out water spray cleaning to the outer wall of coiled pipe 14, washed the smoke and dust, prevented that 14 outer walls of coiled pipe smoke and dust too much from leading to the heat transfer obstructed, improve heat utilization and rateed. The self-circulation boiler economizer has the advantages of excellent structure, high thermal efficiency, safety and stability.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a self-loopa boiler economizer structure, includes economizer (1), steam pocket device (2) and belt cleaning device (3), and one side and the top in economizer (1) are installed respectively in steam pocket device (2) and belt cleaning device (3), its characterized in that: the coal economizer (1) comprises a shell (11), a partition plate (12), a serpentine flue (13), a serpentine pipe (14), an installation block (15), a water inlet pipe (16), a water outlet pipe (17), a smoke inlet (18), a smoke outlet (19), a water outlet (110) and first support columns (111), wherein the partition plate (12) is arranged in the shell (11), the partition plate (12) is alternately installed up and down to form the serpentine flue (13), the serpentine pipe (14) is fixed on the inner walls of two sides of the shell (11) through the installation block (15), the water inlet pipe (16) and the water outlet pipe (17) are arranged on the outer wall of one side of the shell (11) and are respectively and fixedly connected with one end of the serpentine pipe (14), the smoke inlet (18) and the smoke outlet (19) are respectively arranged on one side of the upper part of the shell (11), the water outlet (110) is arranged at the bottom of the shell (11), and the corners of the, a steam drum device (2) is arranged on one side of the coal economizer (1);
the steam pocket device (2) comprises a water storage tank (21), a second supporting column (22), a water inlet (23), a guide pipe (24), a pressure valve A (25), a water outlet (26) and a pressure valve B (27), wherein the second supporting column (22) is installed at the bottom of the water storage tank (21), the water inlet (23) is formed in the upper end of the water storage tank, the water inlet (23) is fixedly connected with one end of the guide pipe (24), the other end of the guide pipe (24) is connected with one end of the pressure valve A (25), the other end of the pressure valve A (25) is connected with a water outlet pipe (17) through the guide pipe (24), the water outlet (26) is formed in one side of the water storage tank (21), the water outlet (26) is fixedly connected with one end of the pressure valve B (27) through the guide pipe (24), and the other end of the pressure valve B (27;
cleaning device (3) include water tank (31), high-pressure pump (32), water pipe A (33), control valve (34), water pipe B (35) and shower nozzle (36), install the top in casing (11) water tank (31), high-pressure pump (32) are placed to water tank (31) bottom, the one end of high-pressure pump (32) fixed connection water pipe A (33), the other end of water pipe A (33) runs through the one end that water tank (31) lateral wall and control valve (34) link to each other, the other end of control valve (34) links to each other with water pipe B (35), water pipe B (35) run through the inside that casing (11) top extended to casing (11), terminal fixed connection shower nozzle (36).
2. The self-circulating boiler economizer structure of claim 1, wherein: the serpentine pipe (14) comprises an inner pipeline (141), a protective pipe layer (142) and copper sheets (143), the protective pipe layer (142) is sleeved on the outer wall of the inner pipeline (141), and the copper sheets (143) are uniformly arranged on the outer wall of the protective pipe layer (142).
3. The self-circulating boiler economizer structure of claim 2, wherein: the protective tube layer (142) is a component made of a material with good thermal conductivity and corrosion resistance.
4. The self-circulating boiler economizer structure of claim 1, wherein: the bottom plate of the shell (11) is of a V-shaped structure, and a water outlet (110) is arranged at a sharp corner.
5. The self-circulating boiler economizer structure of claim 1, wherein: the lower end of a top plate and the upper end of a bottom plate of the shell (11) are respectively and sequentially fixedly connected with one end of the partition plate (12) side by side in an alternating mode, and the other end of the partition plate (12) is suspended.
6. The self-circulating boiler economizer structure of claim 1, wherein: the spray head (36) is suspended above the serpentine pipe (14) in the serpentine flue (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922501693.3U CN211502739U (en) | 2019-12-31 | 2019-12-31 | Self-circulation boiler economizer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922501693.3U CN211502739U (en) | 2019-12-31 | 2019-12-31 | Self-circulation boiler economizer structure |
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| Publication Number | Publication Date |
|---|---|
| CN211502739U true CN211502739U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922501693.3U Expired - Fee Related CN211502739U (en) | 2019-12-31 | 2019-12-31 | Self-circulation boiler economizer structure |
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| CN (1) | CN211502739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654032A (en) * | 2021-08-06 | 2021-11-16 | 华能曲阜热电有限公司 | Low-temperature economizer with function of preventing ash deposition and with cut-off sub-pipe |
| CN117433031A (en) * | 2023-12-18 | 2024-01-23 | 华能济南黄台发电有限公司 | Automatic clear thermal power boiler economizer of heat exchange tube |
-
2019
- 2019-12-31 CN CN201922501693.3U patent/CN211502739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654032A (en) * | 2021-08-06 | 2021-11-16 | 华能曲阜热电有限公司 | Low-temperature economizer with function of preventing ash deposition and with cut-off sub-pipe |
| CN113654032B (en) * | 2021-08-06 | 2023-07-14 | 华能曲阜热电有限公司 | Soot deposit low-temperature economizer is prevented to sub-pipe excision formula |
| CN117433031A (en) * | 2023-12-18 | 2024-01-23 | 华能济南黄台发电有限公司 | Automatic clear thermal power boiler economizer of heat exchange tube |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20211231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |