CN215637248U - Chimney with heat recovery function for thermal power plant - Google Patents
Chimney with heat recovery function for thermal power plant Download PDFInfo
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- CN215637248U CN215637248U CN202121422124.0U CN202121422124U CN215637248U CN 215637248 U CN215637248 U CN 215637248U CN 202121422124 U CN202121422124 U CN 202121422124U CN 215637248 U CN215637248 U CN 215637248U
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- chimney
- heat recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a chimney with a heat recovery function for a thermal power plant, which comprises a chimney body; and, a heat recovery assembly; set up in the inside of chimney body, including set up in the piece of intaking of chimney body one side, set up in the play water spare of chimney body opposite side, set up in the inside heat recovery piece of chimney body, and set up in the maintenance piece at chimney body middle part, the piece of intaking including set up in the inlet tube of chimney body one side, set up in the water pump of inlet tube one end, and set up in the first connecting pipe of water pump opposite side. According to the utility model, through the arrangement of the heat recovery assembly, heat energy in the flue gas can be recovered to a certain extent when the flue gas is discharged from the chimney, the utilization rate of the heat energy is improved, the waste of the heat energy is greatly avoided, and the energy-saving and environment-friendly promotion is met.
Description
Technical Field
The utility model relates to the technical field of chimneys, in particular to a chimney with a heat recovery function for a thermal power plant.
Background
A thermal power plant, referred to as a thermal power plant for short, is a plant for producing electric energy by using combustible materials (such as coal) as fuel, and the basic production process is as follows: fuel adds hot water and generates steam when burning, and the chemical energy with fuel is converted into heat energy, and steam pressure promotes the steam turbine rotation, and heat energy conversion becomes mechanical energy, and then the steam turbine drives the generator rotation, is converted into the electric energy with mechanical energy, does not have the function that has heat recovery on the chimney that prior art used for thermal power plant for the flue gas can be directly discharged the air from the chimney, and a large amount of heat energy can be extravagant in the flue gas, does not accord with advocating of energy-concerving and environment-protective now.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems occurring in the existing chimney for thermal power plants having a heat recovery function.
Therefore, the utility model aims to solve the problem that the chimney used for the thermal power plant in the prior art does not have the heat recovery function and generates great waste on heat energy.
In order to solve the technical problems, the utility model provides the following technical scheme: a chimney with a heat recovery function for a thermal power plant comprises a chimney body; and, a heat recovery assembly; the chimney comprises a chimney body, a water inlet piece, a water outlet piece, a heat recovery piece and an overhauling piece, wherein the chimney body is arranged inside the chimney body, the water inlet piece is arranged on one side of the chimney body, the water outlet piece is arranged on the other side of the chimney body, the heat recovery piece is arranged inside the chimney body, and the overhauling piece is arranged in the middle of the chimney body.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: the water inlet part comprises a water inlet pipe arranged on one side of the chimney body, a water pump arranged at one end of the water inlet pipe, and a first connecting pipe arranged on the other side of the water pump.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: the water outlet piece comprises a water outlet pipe arranged on the other side of the chimney body, a water storage tank arranged at one end of the water outlet pipe, and a second connecting pipe arranged on one side of the water storage tank.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: the heat recovery part comprises a heat recovery pipe arranged in the chimney body, a fixed pipe arranged in the middle of the heat recovery pipe, a third connecting pipe arranged on one side of the fixed pipe, and a supporting block arranged on the inner wall of the chimney body and matched with the heat recovery pipe.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: the maintenance piece including set up in the manhole on chimney body surface, set up in the inside closing plate of manhole, and set up in the stopper in the closing plate outside.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: the maintenance piece is still including set up in chimney body surface just is located the U type frame in the stopper outside, set up in the inside spacing hole of U type frame, and set up in spacing downthehole spacer pin, the stopper set up in the inside of U type frame, the spacer pin set up in the outside of stopper.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: the heat recovery pipe is spiral, and one end of the heat recovery pipe is connected with one end of the water outlet pipe through a flange.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: one end of the water inlet pipe is connected with one end of the third connecting pipe through a flange, and the heat recovery pipe is arranged in the middle of the supporting block.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: the manhole is provided with four, and the equipartition in the surface of chimney body.
As a preferred scheme of the chimney with the heat recovery function for the thermal power plant, the chimney comprises the following components: the both sides of chimney body all are provided with and accept the board, the water pump with the storage water tank all set up in accept the top of board.
The utility model has the beneficial effects that: according to the utility model, through the arrangement of the heat recovery assembly, heat energy in the flue gas can be recovered to a certain extent when the flue gas is discharged from the chimney, the utilization rate of the heat energy is improved, the waste of the heat energy is greatly avoided, and the energy-saving and environment-friendly promotion is met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 based on these drawings without inventive exercise. Wherein:
fig. 1 is an overall structural view of a chimney for a thermal power plant having a heat recovery function.
Fig. 2 is a plan view of the overall structure of a chimney for a thermal power plant having a heat recovery function.
Fig. 3 is another perspective view of the chimney body of the chimney for the thermal power plant with the heat recovery function.
Fig. 4 is a connection structure diagram of a heat recovery pipe and a maintenance part of a chimney for a thermal power plant with a heat recovery function.
Fig. 5 is another view of the U-shaped frame of the chimney for thermal power plant with heat recovery function.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a chimney for a thermal power plant with a heat recovery function, where the chimney for a thermal power plant with a heat recovery function includes a chimney body 100 and a heat recovery assembly 200, and the heat recovery assembly 200 is used to recover heat energy in flue gas discharged from the chimney body 100, so as to improve utilization efficiency of the heat energy.
Specifically, the chimney body 100.
Preferably, the heat recovery assembly 200; set up in the inside of chimney body 100, including setting up in the water inlet 201 of chimney body 100 one side, set up in the play water spare 202 of chimney body 100 opposite side, set up in the inside heat recovery piece 203 of chimney body 100, and set up in the maintenance piece 204 of chimney body 100 middle part, through in the leading-in heat recovery piece 203 of the lower water of temperature of water spare 201, carry out the heat exchange through heat recovery piece 203 and the heat energy in the flue gas, heat the inside water of heat recovery piece 203, the rethread water outlet 202 is derived the water that the heating was accomplished, other places that need use such as heating, the utilization efficiency of heat energy is improved, then conveniently clear up or overhaul the inside heat recovery piece 203 of chimney body 100 through setting up of maintenance piece 204, in order to keep its heat recovery efficiency.
When the chimney is used, water with lower temperature is guided into the heat recovery piece 203 through the water inlet piece 201, then heat exchange is carried out between the heat recovery piece 203 and heat energy in smoke, water inside the heat recovery piece 203 is heated, the heated water is guided out through the water outlet piece 202, the chimney is used as other places needing to be used such as heating, the utilization efficiency of the heat energy is improved, after the chimney is used for a period of time, the heat recovery piece 203 inside the chimney body 100 is conveniently cleaned or overhauled through the arrangement of the overhauling piece 204, and impurities such as dust attached to the surface of the chimney body are removed to keep the heat recovery efficiency of the chimney body.
Example 2
Referring to fig. 2 to 5, a second embodiment of the present invention is based on the above embodiment.
Specifically, the water inlet member 201 includes a water inlet pipe 201a disposed at one side of the chimney body 100, a water pump 201b disposed at one end of the water inlet pipe 201a, and a first connection pipe 201c disposed at the other side of the water pump 201b, the first connection pipe 201c is connected to an external water pipe, and external low-temperature water can be introduced into the heat recovery member 203 through the water pump 201b and the water inlet pipe 201 a.
Preferably, the water outlet member 202 includes a water outlet pipe 202a disposed at the other side of the chimney body 100, a water storage tank 202b disposed at one end of the water outlet pipe 202a, and a second connecting pipe 202c disposed at one side of the water storage tank 202b, and the hot water after heat recovery is guided into the water storage tank 202b through the water outlet pipe 202a for storage, and then guided out to a place where hot water is needed, such as a heating pipe, through the second connecting pipe 202c, so as to improve the utilization efficiency of heat in the flue gas.
Preferably, the heat recovery member 203 comprises a heat recovery pipe 203a disposed inside the chimney body 100, a fixed pipe 203b disposed in the middle of the heat recovery pipe 203a, a third connecting pipe 203c disposed on one side of the fixed pipe 203b, and a supporting block 203d disposed on the inner wall of the chimney body 100 and engaged with the heat recovery pipe 203a, wherein the heat recovery pipe 203a is made of a material having a good heat conduction effect, and the heat energy in the flue gas can be introduced into the water inside the heat recovery pipe 203a through the heat recovery pipe 203a to perform heat exchange, thereby heating the water.
Preferably, the maintenance member 204 includes the maintenance hole 204a disposed on the surface of the chimney body 100, the sealing plate 204b disposed inside the maintenance hole 204a, and the limiting block 204c disposed outside the sealing plate 204b, and the maintenance hole 204a is disposed to facilitate the cleaning or maintenance of the heat recovery pipe 203a from the outside by the worker, so as to avoid the heat recovery pipe 203a from being cleaned for a long time and being attached with excessive impurities to affect the heat exchange efficiency.
Preferably, the maintenance part 204 further comprises a U-shaped frame 204d disposed on the surface of the chimney body 100 and located outside the limiting block 204c, a limiting hole 204e disposed inside the U-shaped frame 204d, and a limiting pin 204f disposed inside the limiting hole 204e, the limiting block 204c is disposed inside the U-shaped frame 204d, the limiting pin 204f is disposed outside the limiting block 204c, after the maintenance is completed, the sealing plate 204b is disposed inside the maintenance hole 204a, so that the limiting block 204c is located inside the U-shaped frame 204d, the limiting pin 204f is inserted into the limiting hole 204e, the sealing plate 204b is limited by the limiting pin 204f, and the separation of the sealing plate from the inside of the maintenance hole 204a in the using process is avoided, thereby achieving the sealing effect through the sealing plate 204b, and avoiding the outward leakage of the smoke from the maintenance hole 204a and affecting the use thereof.
When in use, the first connecting pipe 201c is connected with an external water pipe, external low-temperature water is led into the heat recovery pipe 203a through the water pump 201b and the water inlet pipe 201a, heat energy in flue gas can be led into the water in the flue gas through the heat recovery pipe 203a to heat the water, the hot water after heat recovery is led into the water storage tank 202b through the water outlet pipe 202a to be stored, and then the hot water is led out to a heating pipeline and other places needing hot water through the second connecting pipe 202c to improve the use efficiency of heat in the flue gas, after a period of use, a worker can conveniently clean or overhaul the heat recovery pipe 203a from the outside through the arrangement of the overhaul hole 204a, the phenomenon that the surface of the heat recovery pipe 203a is not cleaned for a long time and is attached with too many impurities to influence the heat exchange efficiency is avoided, and after overhaul, the sealing plate 204b is placed in the overhaul hole 204a, make stopper 204c be located the inside of U type frame 204d, peg graft the inside at spacing hole 204e with spacer pin 204f again, carry on spacingly to closing plate 204b through spacer pin 204f, avoid it to break away from the inside of manhole 204a in the use to play sealed effect through closing plate 204b, avoid the flue gas to outwards reveal from manhole 204a, influence its use.
Example 3
Referring to FIGS. 1-5, a third embodiment of the present invention is based on the first two embodiments.
Specifically, heat recovery pipe 203a becomes the heliciform, passes through flange joint between the one end of heat recovery pipe 203a and the one end of outlet pipe 202a, and heliciform heat recovery pipe 203a makes water can have longer time and flue gas contact, very big improvement the efficiency of heat exchange.
Preferably, one end of the water inlet pipe 201a is connected with one end of the third connecting pipe 203c through a flange, the heat recovery pipe 203a is arranged in the middle of the supporting block 203d, and the heat recovery pipe 203a is limited and supported through the supporting block 203d, so that the situations of falling or bending and the like in the using process are avoided.
Preferably, the manhole 204a is provided with four, and the equipartition is in the surface of chimney body 100, and a plurality of manholes 204a make the staff can clear up or overhaul heat recovery pipe 203a from the position of difference, very big improvement overhaul and the efficiency of clearance.
Preferably, the two sides of the chimney body 100 are both provided with the receiving plate 101, the water pump 201b and the water storage tank 202b are both arranged at the top of the receiving plate 101, and the water pump 201b and the water storage tank 202b are supported by the receiving plate 101, so that the chimney body is more stably mounted, and the chimney body is prevented from falling off in the using process.
When in use, the first connecting pipe 201c is connected with an external water pipe, external low-temperature water is guided into the heat recovery pipe 203a through the water pump 201b and the water inlet pipe 201a, heat energy in flue gas can be guided into the water in the flue gas through the heat recovery pipe 203a to enable the heat energy to exchange heat and heat the water, at the moment, the spiral heat recovery pipe 203a enables the water to be in contact with the flue gas for a longer time, the heat exchange efficiency is greatly improved, meanwhile, the heat recovery pipe 203a is limited and supported through the supporting block 203d to avoid falling or bending and other conditions in the use process, hot water after heat recovery is guided into the water storage tank 202b through the water outlet pipe 202a to be stored, then the hot water is guided out to a heating pipeline and other places needing hot water through the second connecting pipe 202c to improve the use efficiency of heat in the flue gas, and after the hot water is used for a period of time, the arrangement of the access holes 204a is convenient for workers to clean or overhaul the heat recovery pipe 203a from the outside, the phenomenon that the surface of the heat recovery pipe 203a is not cleaned for a long time and excessive impurities are attached to the surface of the heat recovery pipe to influence the heat exchange efficiency of the heat recovery pipe is avoided, at the moment, the arrangement of the access holes 204a enables the workers to clean or overhaul the heat recovery pipe 203a from different positions, the overhauling and cleaning efficiency is greatly improved, after overhauling is finished, the sealing plate 204b is placed in the access hole 204a, so that the limiting block 204c is positioned inside the U-shaped frame 204d, and the limiting pin 204f is inserted into the limiting hole 204e, the sealing plate 204b is limited by the limiting pin 204f, so that the sealing plate is prevented from being separated from the inside of the access hole 204a in the use process, thereby play sealed effect through closing plate 204b, avoid the flue gas to outwards reveal from inspection hole 204a, influence its use.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a chimney is used in thermal power plant with heat recovery function which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a chimney body (100); and the number of the first and second groups,
a heat recovery assembly (200); the chimney comprises a chimney body (100), a water inlet piece (201) arranged on one side of the chimney body (100), a water outlet piece (202) arranged on the other side of the chimney body (100), a heat recovery piece (203) arranged inside the chimney body (100), and an overhaul piece (204) arranged in the middle of the chimney body (100).
2. The chimney for thermal power plant with heat recovery function according to claim 1, characterized in that: the water inlet part (201) comprises a water inlet pipe (201a) arranged on one side of the chimney body (100), a water pump (201b) arranged at one end of the water inlet pipe (201a), and a first connecting pipe (201c) arranged on the other side of the water pump (201 b).
3. The chimney for thermal power plant with heat recovery function according to claim 2, characterized in that: the water outlet part (202) comprises a water outlet pipe (202a) arranged at the other side of the chimney body (100), a water storage tank (202b) arranged at one end of the water outlet pipe (202a), and a second connecting pipe (202c) arranged at one side of the water storage tank (202 b).
4. The chimney for thermal power plant with heat recovery function according to claim 3, characterized in that: the heat recovery piece (203) comprises a heat recovery pipe (203a) arranged in the chimney body (100), a fixed pipe (203b) arranged in the middle of the heat recovery pipe (203a), a third connecting pipe (203c) arranged on one side of the fixed pipe (203b), and a supporting block (203d) arranged on the inner wall of the chimney body (100) and matched with the heat recovery pipe (203 a).
5. The chimney for thermal power plant having heat recovery function according to any one of claims 2, 3 and 4, characterized in that: the overhaul piece (204) comprises an overhaul hole (204a) formed in the surface of the chimney body (100), a sealing plate (204b) arranged inside the overhaul hole (204a), and a limiting block (204c) arranged on the outer side of the sealing plate (204 b).
6. The chimney for thermal power plant with heat recovery function according to claim 5, characterized in that: the maintenance part (204) further comprises a U-shaped frame (204d) arranged on the surface of the chimney body (100) and located at the outer side of the limiting block (204c), a limiting hole (204e) arranged inside the U-shaped frame (204d), and a limiting pin (204f) arranged inside the limiting hole (204e), the limiting block (204c) is arranged inside the U-shaped frame (204d), and the limiting pin (204f) is arranged at the outer side of the limiting block (204 c).
7. The chimney for thermal power plant with heat recovery function according to claim 4, characterized in that: the heat recovery pipe (203a) is in a spiral shape, and one end of the heat recovery pipe (203a) is connected with one end of the water outlet pipe (202a) through a flange.
8. The chimney for thermal power plant with heat recovery function according to claim 4 or 7, characterized in that: one end of the water inlet pipe (201a) is connected with one end of the third connecting pipe (203c) through a flange, and the heat recovery pipe (203a) is arranged in the middle of the supporting block (203 d).
9. The chimney for thermal power plant with heat recovery function according to claim 5, characterized in that: the number of the access holes (204a) is four, and the access holes are uniformly distributed on the surface of the chimney body (100).
10. The chimney for thermal power plant with heat recovery function according to claim 4 or 7, characterized in that: the chimney is characterized in that bearing plates (101) are arranged on two sides of the chimney body (100), and the water pump (201b) and the water storage tank (202b) are arranged on the tops of the bearing plates (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121422124.0U CN215637248U (en) | 2021-06-25 | 2021-06-25 | Chimney with heat recovery function for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121422124.0U CN215637248U (en) | 2021-06-25 | 2021-06-25 | Chimney with heat recovery function for thermal power plant |
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| Publication Number | Publication Date |
|---|---|
| CN215637248U true CN215637248U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121422124.0U Active CN215637248U (en) | 2021-06-25 | 2021-06-25 | Chimney with heat recovery function for thermal power plant |
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| CN (1) | CN215637248U (en) |
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2021
- 2021-06-25 CN CN202121422124.0U patent/CN215637248U/en active Active
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