CN217716036U - Exhaust steam waste heat utilization device of thermal power plant - Google Patents
Exhaust steam waste heat utilization device of thermal power plant Download PDFInfo
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- CN217716036U CN217716036U CN202220854730.8U CN202220854730U CN217716036U CN 217716036 U CN217716036 U CN 217716036U CN 202220854730 U CN202220854730 U CN 202220854730U CN 217716036 U CN217716036 U CN 217716036U
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Abstract
The application discloses exhaust steam waste heat utilization equipment of thermal power plant relates to thermoelectric equipment technical field, including placing subaerial mounting bracket, the surface mounting of mounting bracket has the gas collector, and the steam inlet end of gas collector is provided with the long tube, and the one end of long tube is connected with the exhaust steam admission pipe, and the play steam end of gas collector is connected with the exhaust steam exit tube, and the one end that the gas collector was kept away from to the exhaust steam exit tube is connected with the heat transfer case, and the activity articulates on the outer wall of heat transfer case has the blast pipe, and the top inboard of blast pipe is connected with the branch pipe. This application the device can be placed near boiler combustor when using, and advances the pipe through the exhaust steam and lead in the exhaust steam that produces in with the operation of thermal power plant to the gas collector in, and recycles the exhaust steam exit tube and send into the inner chamber upper portion of heat transfer case fast with the exhaust steam of collecting, and partial exhaust steam heat can loop through blast pipe and branch pipe simultaneously and arrange into to the combustor in, improves combustion efficiency and carries out waste heat utilization.
Description
Technical Field
The application relates to the technical field of thermoelectric equipment, in particular to a waste steam and waste heat utilization device for a thermal power plant.
Background
The exhaust steam is superheated steam with thermal potential energy, and the superheated steam is introduced into a steam turbine through a pipeline, so that the thermal potential energy is converted into kinetic energy, a large amount of water and steam, sometimes called waste water and exhaust steam, can be discharged by a thermal power plant in the operation process, and the exhaust steam of the power plant has great heat. Most of the existing devices can not utilize the energy, most of dead steam can be directly discharged, and energy is wasted.
SUMMERY OF THE UTILITY MODEL
In order to improve the above-mentioned problem, this application provides a steam exhaust waste heat utilization equipment of thermal power plant.
The application provides a steam exhaust waste heat utilization equipment of thermal power plant adopts following technical scheme: the utility model provides a thermal power plant exhaust steam waste heat utilization equipment, is including placing subaerial mounting bracket, the surface mounting of mounting bracket has the gas collector, the steam inlet end of gas collector is provided with the long tube, the one end of long tube is connected with the exhaust steam admission pipe, and the play steam end of gas collector is connected with the exhaust steam exit tube, the one end that the gas collector was kept away from to the exhaust steam exit tube is connected with the heat transfer case, the activity articulates on the outer wall of heat transfer case has the blast pipe, the top inboard of blast pipe is connected with the branch pipe.
Based on the technical characteristics: this device can place near boiler combustor when using, and advances the pipe through the exhaust steam and lead to the gas collector with the exhaust steam that produces in the operation of thermal power plant, and recycles the exhaust steam exit tube and send the exhaust steam of collecting into the inner chamber upper portion of heat transfer case fast, and partial exhaust steam heat can loop through blast pipe and branch pipe and discharge into to the combustor in simultaneously, improves combustion efficiency and carries out waste heat utilization.
As a preferred scheme of the exhaust steam waste heat utilization device of thermal power plant, wherein: a support rod is installed on the upper portion of an inner cavity of the heat exchange box, and fan blades are rotatably connected to the outer side of the support rod.
Based on the technical characteristics: when the exhaust steam is discharged into the upper part of the inner cavity of the heat exchange box from the exhaust steam outlet pipe, the air flow can directly impact the fan blades and enable the fan blades to rotate, the flow speed of the exhaust steam can be improved when the fan blades rotate, and the exhaust steam can flow in the heat exchange box more quickly.
As a preferred scheme of the exhaust steam waste heat utilization device of thermal power plant, wherein: three groups of air dispersion nets are arranged in the middle of an inner cavity of the heat exchange box, and the distances between every two adjacent air dispersion nets are uniform.
Based on the technical characteristics: the exhaust steam entering the upper part of the inner cavity of the heat exchange box can be guided into the bottom of the inner cavity of the heat exchange box by the air dispersing net.
As a preferred scheme of the exhaust steam waste heat utilization device of thermal power plant, wherein: the bottom of the inner cavity of the heat exchange box is provided with a heat exchange pipeline which is designed to be spiral integrally.
Based on the technical characteristics: the heat in the exhaust steam can heat water flow in the heat exchange pipeline and utilize waste heat, the spiral heat exchange pipeline can also extend the advancing path, and the heat exchange is more sufficient.
As a preferred scheme of the exhaust steam waste heat utilization device of thermal power plant, wherein: the heat transfer pipeline's the end of intaking is provided with the inlet tube, and the play water end of heat transfer pipeline is provided with the outlet pipe, outlet pipe and inlet tube all extend to the outside of heat transfer case.
Based on the technical characteristics: the water inlet pipe can lead cold water into the heat exchange pipeline, and the water outlet pipe can lead hot water after heat exchange to be discharged from the heat exchange pipeline.
As a preferred scheme of the exhaust steam waste heat utilization device of thermal power plant, wherein: the bottom of the heat exchange box is connected with a through pipe, and the through pipe is communicated with the inner cavity of the heat exchange box.
Based on the technical characteristics: the through pipe can facilitate the exhaust steam to be discharged from the heat exchange box after the waste heat is utilized.
To sum up, the utility model discloses a following at least one beneficial effect:
1. when the device is used, the device can be placed near a boiler burner, exhaust steam generated in the operation of a thermal power plant is introduced into the gas collector through the exhaust steam inlet pipe, the collected exhaust steam is quickly sent to the upper part of the inner cavity of the heat exchange box through the exhaust steam outlet pipe, and meanwhile, part of the heat of the exhaust steam can be discharged into the burner through the exhaust pipe and the branch pipe in sequence, so that the combustion efficiency is improved, and the waste heat is utilized;
2. when the exhaust steam is discharged from the exhaust steam outlet pipe to the upper part of the inner cavity of the heat exchange box, the airflow directly impacts the fan blades and enables the fan blades to rotate, and the flow velocity of the exhaust steam can be increased when the fan blades rotate, so that the exhaust steam can flow in the heat exchange box more quickly;
3. the heat in the exhaust steam can heat water flow in the heat exchange pipeline and utilize waste heat, the spiral heat exchange pipeline can also extend the advancing path, and the heat exchange is more sufficient.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a specific structure diagram of the heat exchange box of the present invention;
fig. 3 is a sectional view of the inside of the heat exchange box of the present invention.
Description of the reference numerals:
1. a mounting frame; 2. a gas collector; 21. a long tube; 211. a dead steam inlet pipe; 22. an exhaust steam outlet pipe; 3. a heat exchange box; 31. an exhaust pipe; 311. a branch pipe; 4. a support rod; 41. a fan blade; 5. a gas dispersing net; 6. a heat exchange conduit; 61. a water inlet pipe; 62. a water outlet pipe; 7. a pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-3.
Please refer to fig. 1-3, the utility model provides a pair of exhaust steam waste heat utilization equipment of thermal power plant, including placing at subaerial mounting bracket 1, the surface mounting of mounting bracket 1 has gas collector 2, the steam inlet end of gas collector 2 is provided with long tube 21, the one end of long tube 21 is connected with exhaust steam inlet pipe 211, and the play steam end of gas collector 2 is connected with exhaust steam outlet pipe 22, the one end that exhaust steam outlet pipe 22 kept away from gas collector 2 is connected with heat transfer box 3, the leading-in to gas collector 2 of exhaust steam that produces in with the thermal power plant operation through exhaust steam inlet pipe 211, and recycle exhaust steam outlet pipe 22 and send the exhaust steam of collecting into the inner chamber upper portion of heat transfer box 3 fast, the activity articulates on heat transfer box 3's the outer wall has blast pipe 31, the top inboard of blast pipe 31 is connected with branch pipe 311, part exhaust steam heat can loop through blast pipe 31 and branch pipe 311 and emit into to the combustor, improve combustion efficiency and carry out waste heat utilization.
The bottom of the heat exchange box 3 is connected with a through pipe 7, the through pipe 7 is communicated with the inner cavity of the heat exchange box 3, and the through pipe 7 can facilitate exhaust steam to be discharged from the heat exchange box 3 after waste heat is utilized.
Three groups of air dispersing nets 5 are arranged in the middle of the inner cavity of the heat exchange box 3, the distances between the adjacent air dispersing nets 5 are uniform, and the air dispersing nets 5 can guide the exhaust steam entering the upper part of the inner cavity of the heat exchange box 3 into the bottom of the inner cavity of the heat exchange box 3.
The inner chamber upper portion of heat transfer case 3 is installed cradling piece 4, and the outside of cradling piece 4 is rotated and is connected with flabellum 41, and when exhaust steam discharged to the inner chamber upper portion of heat transfer case 3 from exhaust steam outlet pipe 22, the air current can directly impact on flabellum 41 and make flabellum 41 take place the rotation, and flabellum 41 can improve the velocity of flow of exhaust steam when rotating this moment, and the exhaust steam of being convenient for flows in heat transfer case 3 sooner.
Heat exchange pipe 6 is installed to the inner chamber bottom of heat exchange box 3, and heat exchange pipe 6 global design is the heliciform, and heat can heat and carry out waste heat utilization to the rivers in the heat exchange pipe 6 in the exhaust steam, and also can prolong the route of marcing for spiral helicine heat exchange pipe 6, and the heat transfer also more abundant.
A water inlet pipe 61 is arranged at the water inlet end of the heat exchange pipe 6, a water outlet pipe 62 is arranged at the water outlet end of the heat exchange pipe 6, the water outlet pipe 62 and the water inlet pipe 61 both extend to the outside of the heat exchange box 3, cold water can be introduced into the heat exchange pipe 6 through the water inlet pipe 61, and hot water after heat exchange can be discharged from the heat exchange pipe 6 through the water outlet pipe 62.
The working principle is as follows: when the waste steam boiler is used, the waste steam boiler can be placed near a boiler combustor, waste steam generated in the operation of a thermal power plant is guided into the gas collector 2 through the waste steam inlet pipe 211, the collected waste steam is quickly sent to the upper part of the inner cavity of the heat exchange box 3 through the waste steam outlet pipe 22, meanwhile, part of heat of the waste steam can be discharged into the combustor through the exhaust pipe 31 and the branch pipe 311 in sequence, when the waste steam is discharged to the upper part of the inner cavity of the heat exchange box 3 from the waste steam outlet pipe 22, airflow can directly impact the fan blades 41 and enables the fan blades 41 to rotate, the flow speed of the waste steam can be increased when the fan blades 41 rotate, water flow in the heat exchange pipeline 6 can be heated by the heat in the waste steam, waste heat is utilized, and finally the waste steam is discharged from the heat exchange box 3 after the waste heat is utilized.
Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a steam exhaust waste heat utilization equipment of thermal power plant, is including placing subaerial mounting bracket (1), its characterized in that: the surface mounting of mounting bracket (1) has gas collector (2), the steam inlet end of gas collector (2) is provided with long tube (21), the one end of long tube (21) is connected with exhaust steam admission pipe (211), and the play steam end of gas collector (2) is connected with exhaust steam exit tube (22), the one end that gas collector (2) were kept away from in exhaust steam exit tube (22) is connected with heat transfer case (3), the activity articulates on the outer wall of heat transfer case (3) has blast pipe (31), the top inboard of blast pipe (31) is connected with branch pipe (311).
2. The exhaust steam waste heat utilization device of the thermal power plant as claimed in claim 1, characterized in that: a support rod (4) is installed on the upper portion of an inner cavity of the heat exchange box (3), and fan blades (41) are rotatably connected to the outer side of the support rod (4).
3. The exhaust steam waste heat utilization device of the thermal power plant as claimed in claim 1, characterized in that: three groups of air dispersion nets (5) are arranged in the middle of an inner cavity of the heat exchange box (3), and the distances between every two adjacent air dispersion nets (5) are consistent.
4. The exhaust steam waste heat utilization device of the thermal power plant as claimed in claim 1, wherein: and a heat exchange pipeline (6) is arranged at the bottom of the inner cavity of the heat exchange box (3), and the heat exchange pipeline (6) is designed to be spiral as a whole.
5. The exhaust steam waste heat utilization device of the thermal power plant as claimed in claim 4, characterized in that: the water inlet end of the heat exchange pipeline (6) is provided with a water inlet pipe (61), the water outlet end of the heat exchange pipeline (6) is provided with a water outlet pipe (62), and the water outlet pipe (62) and the water inlet pipe (61) extend to the outside of the heat exchange box (3).
6. The exhaust steam waste heat utilization device of the thermal power plant as claimed in claim 1, characterized in that: the bottom of the heat exchange box (3) is connected with a through pipe (7), and the through pipe (7) is communicated with the inner cavity of the heat exchange box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220854730.8U CN217716036U (en) | 2022-04-13 | 2022-04-13 | Exhaust steam waste heat utilization device of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220854730.8U CN217716036U (en) | 2022-04-13 | 2022-04-13 | Exhaust steam waste heat utilization device of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217716036U true CN217716036U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220854730.8U Active CN217716036U (en) | 2022-04-13 | 2022-04-13 | Exhaust steam waste heat utilization device of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217716036U (en) |
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2022
- 2022-04-13 CN CN202220854730.8U patent/CN217716036U/en active Active
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