CN213237481U - Waste heat recovery device of low-temperature economizer for thermal boiler - Google Patents
Waste heat recovery device of low-temperature economizer for thermal boiler Download PDFInfo
- Publication number
- CN213237481U CN213237481U CN202021950553.0U CN202021950553U CN213237481U CN 213237481 U CN213237481 U CN 213237481U CN 202021950553 U CN202021950553 U CN 202021950553U CN 213237481 U CN213237481 U CN 213237481U
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- diaphragm
- waste heat
- wall
- spiral pipe
- recovery device
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- 239000002918 waste heat Substances 0.000 title claims abstract description 44
- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000009434 installation Methods 0.000 abstract description 5
- 230000008093 supporting effect Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a waste heat recovery device of low temperature economizer for heating power boiler belongs to recovery waste heat equipment technical field, including diaphragm A, the one end of through-hole is seted up to diaphragm A bottom surface outer wall, just the other end of through-hole extends to diaphragm A upper surface, threaded groove has been seted up to diaphragm A lateral wall, diaphragm A and the welding of spiral pipe bottom surface outer wall, spiral pipe left side inner wall is pegged graft and is had the one end of drain pipe, just the other end of drain pipe extends to spiral pipe left side outer wall, valve B is installed to the drain pipe intermediate position. The utility model discloses a thereby can dismantle the connection between diaphragm A and the organism along thread groove cooperation bolt, and then can install waste heat recovery device inside the organism under diaphragm A and diaphragm B's supporting role, it is convenient with the installation to have realized waste heat recovery device's dismantlement, can carry out comprehensive utilization to the waste heat through the spiral pipe after that, device simple structure and practicality are strong, are fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a retrieve waste heat equipment, in particular to low temperature economizer retrieves waste heat device for heating power boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises.
The low-temperature economizer is a device which is arranged at the lower part of a flue at the tail part of a boiler and is used for recovering the waste heat of exhausted smoke, the water fed by the boiler is heated into a heating surface of saturated water under the pressure of a steam drum, and the economizer is called as the economizer because the economizer absorbs the heat of high-temperature smoke, reduces the exhaust temperature of the smoke, saves energy and improves the efficiency. The steel pipe type economizer is not limited by pressure, can be used as a boiling type economizer and is generally made of carbon steel pipes with the outer diameter of 32-51 mm. Fins and fins are sometimes added to the tube to improve heat transfer. The steel pipe type economizer consists of parallel elbow pipes (commonly called coiled pipes) which are horizontally arranged.
Patent number CN201820068209.5 discloses a glass melting furnace exhaust-heat boiler low temperature recovery unit, this glass melting furnace exhaust-heat boiler low temperature recovery unit's simple structure can utilize the heat exchange tube to add hot water with the flue gas of exhaust-heat boiler export leading-in low temperature recoverer again, carries out the heat exchange, and the water after the heating can be exported and get into next process and use, and the heat utilization efficiency is high, utilizes the waste heat resource of this part better.
Although the above patent scheme solves the defects of the traditional low-temperature economizer for the thermal boiler for recovering waste heat, the scheme still has some defects 1, most of the existing low-temperature economizers for the thermal boiler do not have a waste heat recovery device, so that heat is easily dissipated, and a large amount of waste heat is easily caused; 2. the existing low-temperature economizer for the thermal boiler is not easy to install a waste heat recovery device, so that the applicability of the waste heat recovery device is seriously influenced; therefore, a waste heat recovery device of a low-temperature economizer for a thermal boiler is provided to solve the problems mentioned in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a thereby can dismantle the connection between diaphragm A and the organism along thread groove cooperation bolt, and then can install waste heat recovery device inside the organism under diaphragm A and diaphragm B's supporting role, it is convenient with the installation to have realized waste heat recovery device's dismantlement, can carry out comprehensive utilization to the waste heat through the spiral pipe after that, device simple structure and practicality are strong, have solved the problem that proposes in the background art.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of waste heat recovery device of low temperature economizer for heating power boiler, including diaphragm A, the one end of through-hole is seted up to diaphragm A bottom surface outer wall, just the other end of through-hole extends to diaphragm A upper surface, threaded groove has been seted up to diaphragm A lateral wall, diaphragm A and the welding of spiral pipe bottom surface outer wall, the one end that has the drain pipe is pegged graft to spiral pipe left side inner wall, just the other end of drain pipe extends to spiral pipe left side outer wall, valve B is installed to the drain pipe intermediate position.
Optionally, the inner wall of the right side of the spiral pipe is inserted with one end of the water inlet pipe, the other end of the water inlet pipe extends to the outer wall of the right side of the spiral pipe, and the valve A is installed in the middle of the water inlet pipe.
Optionally, the upper surface of the spiral pipe is welded with the outer wall of the bottom surface of the transverse plate B, and the transverse plate B and the transverse plate A are identical in structure.
Optionally, the through hole is located in the middle of the spiral pipe, and the middle of the spiral pipe is of a hollow structure.
The utility model has the advantages as follows:
1. the utility model discloses an open valve A, can transport rivers to the spiral pipe inside by the inlet tube, hollow out construction that adopts through inside through-hole of diaphragm A and diaphragm B and spiral pipe can effectually absorb the waste heat and utilize after that, through opening valve B afterwards, can in time transport the inside rivers of spiral pipe out the spiral pipe by the drain pipe, thereby solved current low temperature economizer for heating power boiler and lead to the problem that the heat is easily lost owing to mostly not having waste heat recovery device, avoided the waste heat because lost and extravagant, the availability of waste heat has been improved.
2. The utility model discloses a thereby can dismantle the connection between diaphragm A and the organism along thread groove cooperation bolt, and then can install waste heat recovery device inside the organism under diaphragm A and diaphragm B's supporting role, it is stable and reliable to support, it is convenient with the installation also to have realized waste heat recovery device's dismantlement simultaneously, thereby solved current low temperature economizer for heating power boiler because difficult installation waste heat recovery device leads to seriously influencing waste heat recovery device's suitability problem, device simple structure and practicality are stronger.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a waste heat recovery device of a low-temperature economizer for a thermal boiler according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a spiral pipe structure of a waste heat recovery device of a low-temperature economizer for a thermal boiler according to an embodiment of the present invention.
In the figure: 1. a transverse plate A; 2. a through hole; 3. a thread groove; 4. a valve B; 5. a drain pipe; 6. a spiral tube; 7. a transverse plate B; 8. a water inlet pipe; 9. and a valve A.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.
The device for recovering waste heat by a low-temperature economizer for a thermal boiler according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1 and fig. 2, the embodiment of the utility model provides a low temperature economizer retrieves waste heat device for heating power boiler, including diaphragm A1, the one end of through-hole 2 is seted up to diaphragm A1 bottom surface outer wall, just the other end of through-hole 2 extends to diaphragm A1 upper surface, thread groove 3 has been seted up to diaphragm A1 lateral wall, diaphragm A1 and 6 bottom surface outer wall welding of spiral pipe, 6 left side inner walls of spiral pipe are pegged graft and are had the one end of drain pipe 5, just the other end of drain pipe 5 extends to 6 left side outer walls of spiral pipe, valve B4 is installed to drain pipe 5 intermediate position, thereby can dismantle between diaphragm A1 and the organism and be connected through cooperating the bolt along thread groove 3.
Referring to fig. 1 and 2, one end of a water inlet pipe 8 is inserted into the inner wall of the right side of the spiral pipe 6, the other end of the water inlet pipe 8 extends to the outer wall of the right side of the spiral pipe 6, a valve a9 is installed in the middle of the water inlet pipe 8, and water can be transported to the inside of the spiral pipe 6 through the water inlet pipe 8 by opening a valve a 9.
Referring to fig. 1, the upper surface of the spiral pipe 6 is welded to the outer wall of the bottom surface of the transverse plate B7, the transverse plate B7 has the same structure as the transverse plate a1, and the waste heat recovery device can be installed inside the machine body under the supporting action of the transverse plate a1 and the transverse plate B7, so that the support is stable and reliable.
Referring to fig. 1 and 2, the through hole 2 is located in the middle of the spiral pipe 6, the middle of the spiral pipe 6 is of a hollow structure, and waste heat can be effectively absorbed and utilized through the hollow structure of the spiral pipe 6.
The embodiment of the utility model provides a heat boiler is with low temperature economizer recovery waste heat device, during the use, thereby at first can dismantle the connection between diaphragm A1 and the organism through 3 cooperation bolts along the thread groove, and then can install waste heat recovery device inside the organism under diaphragm A1 and diaphragm B7's supporting role, it is stable and reliable to support, it is convenient with the installation also to have realized waste heat recovery device's dismantlement simultaneously, then through opening valve A9, can transport rivers to inside 6 by inlet tube 8, can effectually absorb the waste heat and utilize through the hollow out construction of diaphragm A1 and the inside through-hole 2 of diaphragm B7 and the adoption of spiral pipe 6 afterwards, then through opening valve B4, can in time transport out spiral pipe 6 with the inside rivers of spiral pipe 6 by drain pipe 5.
It should be noted that, the utility model relates to a waste heat recovery device of low temperature economizer for heating power boiler, including diaphragm A1, through-hole 2, thread groove 3, valve B4, drain pipe 5, spiral pipe 6, diaphragm B7, inlet tube 8, valve A9. The components are standard parts in general or known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The utility model provides a waste heat recovery device of low temperature economizer for heating power boiler, includes diaphragm A (1), its characterized in that: the one end of through-hole (2) is seted up to diaphragm A (1) bottom surface outer wall, just the other end of through-hole (2) extends to diaphragm A (1) upper surface, thread groove (3) have been seted up to diaphragm A (1) lateral wall, diaphragm A (1) and spiral pipe (6) bottom surface outer wall welding, spiral pipe (6) left side inner wall is pegged graft and is had the one end of drain pipe (5), just the other end of drain pipe (5) extends to spiral pipe (6) left side outer wall, valve B (4) are installed to drain pipe (5) intermediate position.
2. The waste heat recovery device of the low-temperature economizer for the thermodynamic boiler as claimed in claim 1, wherein: the water inlet pipe is characterized in that one end of a water inlet pipe (8) is inserted into the inner wall of the right side of the spiral pipe (6), the other end of the water inlet pipe (8) extends to the outer wall of the right side of the spiral pipe (6), and a valve A (9) is installed in the middle of the water inlet pipe (8).
3. The waste heat recovery device of the low-temperature economizer for the thermodynamic boiler as claimed in claim 1, wherein: the upper surface of the spiral pipe (6) is welded with the outer wall of the bottom surface of the transverse plate B (7), and the transverse plate B (7) is identical to the transverse plate A (1) in structure.
4. The waste heat recovery device of the low-temperature economizer for the thermodynamic boiler as claimed in claim 1, wherein: the through hole (2) is located in the middle of the spiral pipe (6), and the middle of the spiral pipe (6) is of a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021950553.0U CN213237481U (en) | 2020-09-09 | 2020-09-09 | Waste heat recovery device of low-temperature economizer for thermal boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021950553.0U CN213237481U (en) | 2020-09-09 | 2020-09-09 | Waste heat recovery device of low-temperature economizer for thermal boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213237481U true CN213237481U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021950553.0U Expired - Fee Related CN213237481U (en) | 2020-09-09 | 2020-09-09 | Waste heat recovery device of low-temperature economizer for thermal boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213237481U (en) |
-
2020
- 2020-09-09 CN CN202021950553.0U patent/CN213237481U/en not_active Expired - Fee Related
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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: 20210518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |