CN210374719U - Heat supply system - Google Patents
Heat supply system Download PDFInfo
- Publication number
- CN210374719U CN210374719U CN201920664692.8U CN201920664692U CN210374719U CN 210374719 U CN210374719 U CN 210374719U CN 201920664692 U CN201920664692 U CN 201920664692U CN 210374719 U CN210374719 U CN 210374719U
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- CN
- China
- Prior art keywords
- heat exchange
- exchange tube
- preheating
- pipe
- heating system
- 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.)
- Expired - Fee Related
Links
- 239000002912 waste gas Substances 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000010248 power generation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Air Supply (AREA)
Abstract
The utility model relates to a combustion engine power generation field specifically discloses a heating system, including the frame and fire burning furnace, still including setting gradually intake pipe in the frame, preheating cabinet, be located the heat exchange tube in preheating cabinet and with fire the outlet duct that fires burning furnace intercommunication, intake pipe, outlet duct all are located outside the preheating cabinet, and the heat exchange tube is the plane spiral, and the preheating cabinet top is equipped with the waste gas entry, and the preheating cabinet bottom is equipped with exhaust outlet. The utility model discloses can improve heating efficiency.
Description
Technical Field
The utility model relates to a gas turbine electricity generation field.
Background
A thermal power plant, referred to as a thermal power plant, is a plant that produces electric energy using a combustible (e.g., coal) as a fuel. The basic production process is as follows: when the fuel is burnt, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, so that the mechanical energy is converted into electric energy.
Combustion-supporting gas can be added during fuel combustion, the combustion-supporting gas is generally required to be preheated independently, waste gas can be generated after fuel combustion, the waste gas is generally purified and then is discharged into the atmosphere, and waste heat in the waste gas is not effectively utilized, so that the heat supply efficiency of a thermal power plant is greatly reduced, and the operation cost is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heating system to improve heating efficiency.
In order to achieve the above object, the utility model discloses a basic scheme provides a heating system, including the frame and fire burning furnace, still including setting gradually intake pipe in the frame, preheating cabinet, be located the heat exchange tube of the metallics in preheating cabinet and with the outlet duct that fires burning furnace intercommunication, intake pipe, outlet duct all are located outside the preheating cabinet, and the heat exchange tube is the plane spiral, and the preheating cabinet top is equipped with the waste gas entry, and the preheating cabinet bottom is equipped with the exhaust outlet.
The beneficial effect of this basic scheme lies in:
the setting of frame can be for the utility model discloses an all spare parts provide the erection bracing, and the intake pipe, the preheating cabinet, heat exchange tube and outlet duct set gradually along combustion-supporting gaseous advancing direction, wherein the setting of preheating cabinet can be for the waste gas that fires burning furnace and combustion-supporting gaseous place that provides the heat exchange, and the setting of heat exchange tube then can enough avoid waste gas and combustion-supporting gaseous direct contact to mix can improve both heat exchange efficiency again, the heat exchange tube is the plane spiral simultaneously, the heat transfer area of heat exchange tube has also been increased, because waste gas is the gas of higher temperature, has ascending characteristic, and the utility model discloses well waste gas entry, waste gas outlet set up respectively at the top of preheating cabinet, the bottom, this has just guaranteed waste gas can top-down's outflow preheating cabinet to sufficient heat exchange time of waste gas in the preheating cabinet has been.
To sum up, the utility model discloses can utilize the waste gas waste heat that fires burning furnace to carry out the waste heat to combustion-supporting gas to improve heating efficiency, convenient and practical.
And one end of the heat exchange tube extends out of the preheating box and is in rotary seal with the air inlet tube, the other end of the heat exchange tube is in rotary seal with the air outlet tube, and the motor is in transmission connection with one end of the heat exchange tube. The utility model provides a heat exchange tube both ends rotate with outlet duct, intake pipe respectively and are connected, and the motor provides power and drives the heat exchange tube and rotate to realized the heat exchange tube at the preheating cabinet internal rotation, the rotation of heat exchange tube can improve the heat exchange efficiency between the combustion-supporting gas in the heat exchange tube and the waste gas, also can promote the heat transfer effect.
Further, the motor and the heat exchange tube are in transmission through a gear. The gear transmission mode is convenient, fast, reliable and stable.
Furthermore, the air outlet pipe is made of metal and is spirally wound on the outer wall of the combustion furnace. The outlet duct is arranged like this, can utilize the heat that fires burning furnace and scatter and disappear to carry out the secondary preheating to combustion-supporting gas before getting into firing burning furnace, has improved the utilization efficiency of heat energy greatly, has also improved combustion-supporting gas's preheating effect, combustion efficiency simultaneously.
Furthermore, the waste gas inlet and the waste gas outlet are arranged on different sides. The waste gas that can avoid getting into the preheating chamber from the waste gas entry flows out from the waste gas export of homonymy relatively fast to guaranteed the heat transfer time of waste gas in the preheating chamber, improved the utilization ratio of waste gas waste heat.
Furthermore, the heat exchange tube is provided with a magnet section, and the side wall of the preheating box is sealed with a detachable cover plate. The setting of magnet section can get rid of the iron rust in the waste gas, the miscellaneous bits of iron etc. avoids deposit in the preheating cabinet, and the setting of apron makes things convenient for the iron rust of magnet section attraction, the miscellaneous bits of iron etc. to clear away simultaneously.
Furthermore, the preheating box is provided with a through hole for the heat exchange tube to pass through, and a wear-resistant ring is arranged in the through hole. The friction between the preheating box and the heat exchange tube can be avoided by the arrangement of the wear-resistant ring, and the normal operation of the preheating box and the heat exchange tube is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a heating system according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the preheating device comprises a preheating box 1, a driving gear 2, a motor rotating shaft 3, a driven gear 4, an air inlet pipe 5, a heat exchange pipe 6, a waste gas outlet 7, a waste gas inlet 8, an air outlet pipe 9 and a combustion furnace 10.
As shown in fig. 1, a heating system, including frame and burning furnace 10, still including setting gradually the intake pipe 5 in the frame, preheating chamber 1, be located the heat exchange tube 6 in preheating chamber 1 and with burn the outlet duct 9 of burning furnace 10 intercommunication, intake pipe 5, outlet duct 9 all is located outside preheating chamber 1, heat exchange tube 6 is stainless steel and is the plane spiral, preheating chamber 1 top is equipped with waste gas entry 8, preheating chamber 1 bottom is equipped with exhaust outlet 7, exhaust inlet 8, exhaust outlet 7 is the heteropleural setting, can avoid the exhaust gas that gets into preheating chamber 1 from waste gas entry 8 to flow out from the exhaust outlet 7 of homonymy relatively fast, thereby guaranteed the heat transfer time of waste gas in preheating chamber 1, improved the utilization ratio of waste gas waste heat.
As shown in fig. 2, the heat exchange device further comprises a motor, the left end of the heat exchange tube 6 extends out of the preheating box 1 and is rotationally sealed with the air inlet tube 5, the right end of the heat exchange tube 6 is rotationally sealed with the air outlet tube 9, the left end and the right end of the heat exchange tube 6 are respectively smaller than the air inlet tube 5 and the air outlet tube 9 in size, the air inlet tube 5 and the air outlet tube 9 are both provided with a bushing for fixing the heat exchange tube 6, the motor is connected with one end of the heat exchange tube 6 for transmission, specifically, the motor is connected with the heat exchange tube 6 through gear transmission, a driving gear 2 is connected to a motor rotating. The gear transmission mode is convenient, quick, reliable and stable; the utility model provides a 6 both ends of heat exchange tube rotate with outlet duct 9, intake pipe 5 respectively and are connected, and the motor provides power and drives heat exchange tube 6 and rotate to realized heat exchange tube 6 at 1 internal rotation of preheating cabinet, heat exchange tube 6's rotation can improve the combustion-supporting gas in the heat exchange tube 6 and the heat exchange efficiency between the waste gas, also can promote the heat transfer effect.
The outlet pipe 9 is made of metal and is spirally wound on the outer wall of the combustion furnace 10, and in this embodiment, the outlet pipe 9 is made of stainless steel. The gas outlet pipe 9 is arranged in such a way, so that the combustion-supporting gas before entering the combustion furnace 10 can be secondarily preheated by utilizing the heat dissipated from the combustion furnace 10, the utilization efficiency of heat energy is greatly improved, and the preheating effect and the combustion efficiency of the combustion-supporting gas are also improved.
The heat exchange tube 6 is provided with a magnet section, and the side wall of the preheating box 1 is sealed with a detachable cover plate. The setting of magnet section can get rid of the iron rust in the waste gas, the miscellaneous bits of iron etc. avoids deposit in preheating cabinet 1, and the setting of apron makes things convenient for the iron rust of magnet section attraction, the miscellaneous bits of iron etc. to clear away simultaneously. The preheating box 1 is provided with a through hole for the heat exchange tube 6 to pass through, and a wear-resistant ring is arranged in the through hole. The friction between the preheating box 1 and the heat exchange tube 6 can be avoided by the arrangement of the wear-resistant ring, and the normal operation of the preheating box and the heat exchange tube is ensured.
The frame is arranged to provide mounting support for all the parts of the utility model, and the air inlet pipe 5, the preheating box 1, the heat exchange pipe 6 and the air outlet pipe 9 are arranged in sequence along the advancing direction of the combustion-supporting gas, wherein the preheating chamber 1 is provided to provide a place for heat exchange between the exhaust gas of the combustion furnace 10 and the combustion-supporting gas, the heat exchange tube 6 can not only avoid the direct contact and mixing of the waste gas and the combustion-supporting gas, but also improve the heat exchange efficiency of the waste gas and the combustion-supporting gas, and meanwhile, the heat exchange tube 6 is in a plane spiral shape, so that the heat exchange area of the heat exchange tube 6 is increased, because the waste gas is gas with higher temperature and has the characteristic of rising, the waste gas inlet 8 and the waste gas outlet 7 of the utility model are respectively arranged at the top and the bottom of the preheating box 1, this ensures that the exhaust gases can flow out of the preheating chamber 1 from top to bottom, thereby ensuring a sufficient heat exchange time of the exhaust gases in the preheating chamber 1.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. A heating system comprises a frame and a combustion furnace, and is characterized in that: the preheating device is characterized by further comprising an air inlet pipe, a preheating box, a metal heat exchange pipe and an air outlet pipe, wherein the air inlet pipe, the preheating box, the metal heat exchange pipe and the air outlet pipe are sequentially arranged on the rack, the metal heat exchange pipe is located in the preheating box, the air outlet pipe is communicated with the combustion furnace, the air inlet pipe and the air outlet pipe are located outside the preheating box, the heat exchange pipe is in a plane spiral shape, a.
2. A heating system according to claim 1, wherein: the preheating device also comprises a motor, one end of the heat exchange tube extends out of the preheating box and is in rotary seal with the air inlet tube, the other end of the heat exchange tube is in rotary seal with the air outlet tube, and the motor is in connection transmission with one end of the heat exchange tube.
3. A heating system according to claim 2, wherein: the motor and the heat exchange tube are in transmission through a gear.
4. A heating system according to any one of claims 1-3, wherein: the air outlet pipe is made of metal and is spirally wound on the outer wall of the combustion furnace.
5. A heating system according to any one of claims 1-3, wherein: the waste gas inlet and the waste gas outlet are arranged on different sides.
6. A heating system according to claim 5, wherein: the heat exchange tube is provided with a magnet section, and the side wall of the preheating box is sealed with a detachable cover plate.
7. A heating system according to claim 2 or 3, wherein: the preheating box is provided with a through hole for the heat exchange tube to pass through, and a wear-resistant ring is arranged in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664692.8U CN210374719U (en) | 2019-05-10 | 2019-05-10 | Heat supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664692.8U CN210374719U (en) | 2019-05-10 | 2019-05-10 | Heat supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210374719U true CN210374719U (en) | 2020-04-21 |
Family
ID=70259860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920664692.8U Expired - Fee Related CN210374719U (en) | 2019-05-10 | 2019-05-10 | Heat supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210374719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947451A (en) * | 2020-06-29 | 2020-11-17 | 福建省气柜设备安装有限公司 | Complementary energy recovery device for power generation by vaporization cooling steam of oxidized pellet shaft furnace |
-
2019
- 2019-05-10 CN CN201920664692.8U patent/CN210374719U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947451A (en) * | 2020-06-29 | 2020-11-17 | 福建省气柜设备安装有限公司 | Complementary energy recovery device for power generation by vaporization cooling steam of oxidized pellet shaft furnace |
| CN111947451B (en) * | 2020-06-29 | 2022-11-01 | 中琉科技有限公司 | Complementary energy recovery device for power generation by vaporization cooling steam of oxidized pellet shaft furnace |
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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: 20200421 |