CN215337798U - Steam turbine drainage heat recovery device of power plant - Google Patents
Steam turbine drainage heat recovery device of power plant Download PDFInfo
- Publication number
- CN215337798U CN215337798U CN202120482617.7U CN202120482617U CN215337798U CN 215337798 U CN215337798 U CN 215337798U CN 202120482617 U CN202120482617 U CN 202120482617U CN 215337798 U CN215337798 U CN 215337798U
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- Prior art keywords
- pipe
- heat recovery
- device shell
- screw
- sealing connection
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- 238000011084 recovery Methods 0.000 title claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 34
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 17
- 229910052759 nickel Inorganic materials 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000110 cooling liquid Substances 0.000 description 12
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of heat recovery devices, and discloses a power plant steam turbine drainage heat recovery device which structurally comprises a device shell, wherein a hot water pipe, a first recovery pipe, a first steam pipe and a water inlet pipe are arranged on the device shell, the hot water pipe is in sealing connection with the upper left side of the device shell through threads, the first recovery pipe is in sealing connection with the lower left side of the device shell through a screw, the first steam pipe is in sealing connection with the bottom of the device shell through a screw, the water inlet pipe is in sealing connection with the upper right side of the device shell through a screw, and a snake-shaped heat recovery pipe is arranged inside the device shell. The utility model increases the contact surface of the heat recovery pipe when recovering heat, accelerates the speed of the heat recovery pipe absorbing the heat in the shell of the device, improves the efficiency of the heat recovery device when recovering the drainage heat of the steam turbine of the power plant, reduces the number of parts of the device and reduces the cost of the device during production.
Description
Technical Field
The utility model relates to the technical field of heat recovery devices, in particular to a power plant steam turbine drainage heat recovery device.
Background
According to patent 201922270260.1, a steam turbine drainage heat recovery device for a power plant comprises a device shell, a steam turbine, the bottom of the device shell is connected with a first steam pipe, one side of the first steam pipe is connected with a second steam pipe, the other end of the second steam pipe is connected with a steam turbine, a third electromagnetic valve is arranged on the second steam pipe, the steam turbine is introduced into the device shell through the second steam pipe and the first steam pipe, the heat recovery device is arranged in the closed shell, after the heat released by the steam is changed into water, the water falls into the shell of the device and automatically flows out through the first recovery pipe and the second recovery pipe, thereby retrieve moisture and utilize with circulation, through letting in a plurality of heat recovery intraductal with the cooling, hot steam in the device shell heats intraductal cooling water, retrieves the heat, and a plurality of pivoted heat recovery pipes can increase the hot contact surface and accelerate heating efficiency to improve the heat recovery rate and the recovery efficiency of steam.
At present, the existing drainage heat recovery device of the power plant steam turbine has some defects, such as; the contact surface of the existing power plant steam turbine drainage heat recovery device is small when the heat is recovered, the speed of the heat recovery pipe for absorbing the heat in the device shell is reduced, the efficiency of the heat recovery device for recovering the drainage heat of the power plant steam turbine is reduced, the number of parts of the device is large, and the cost of the device during production is improved. For this reason, new technical solutions need to be designed to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a drainage heat recovery device for a steam turbine of a power plant, which solves the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hydrophobic heat recovery unit of steam turbine of power plant, includes the device shell, be provided with hot-water line, recovery tube one, steam pipe one and inlet tube on the device shell, the hot-water line pass through the screw with the upper left side sealing connection of device shell, recovery tube one through the screw with the left side below sealing connection of device shell, steam pipe one through the screw with the bottom sealing connection of device shell, the inlet tube pass through the screw with the upper right side sealing connection of device shell, the inside of device shell is provided with snakelike heat recovery tube, the inlet tube passes through cooling tube and connects coolant tank, snakelike heat recovery tube's outside is provided with black nickel coating.
In a preferred embodiment of the present invention, the upper end of the cooling pipe is hermetically connected to the bottom of the cooling water tank by a screw, and the lower end of the cooling pipe is hermetically connected to the upper end of the water inlet pipe by a screw.
In a preferred embodiment of the present invention, the right end of the serpentine heat recovery pipe is hermetically connected to the left end of the water inlet pipe by a screw, and the left end of the serpentine heat recovery pipe is hermetically connected to the right end of the hot water pipe by a screw.
In a preferred embodiment of the present invention, the black nickel coating is uniformly coated on the outer surface of the serpentine heat recovery pipe, and the thickness of the black nickel coating is 3 mm.
As a preferred embodiment of the present invention, the cooling water tank is located above the apparatus casing and on the right side of the apparatus casing.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the combination of the serpentine heat recovery pipe and the black nickel coating, when a heat recovery device (the specific structure of which is clearly described in a comparison document) is used, the cooling liquid in the cooling water tank enters the water inlet pipe through the cooling pipe, then the cooling liquid enters the serpentine heat recovery pipe, at the moment, the black nickel coating can absorb the heat in the device shell and transfer the absorbed heat, so that the cooling liquid is heated, and then the cooling liquid is discharged through the hot water pipe, so that the contact surface of the heat recovery pipe during heat recovery is effectively increased, the speed of the heat recovery pipe for absorbing the heat in the device shell is increased, the efficiency of the heat recovery device during recovery of the steam turbine drainage heat of a power plant is improved, the number of parts of the device is reduced, and the cost of the device during production is reduced.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a cross-sectional view of a device housing of a steam turbine steam trap heat recovery device of a power plant of the present invention;
fig. 2 is a cross-sectional view of a serpentine heat recovery pipe of the steam turbine drainage heat recovery device of the power plant.
In the figure: the device comprises a device shell 1, a hot water pipe 2, a first recovery pipe 3, a first steam pipe 4, a water inlet pipe 5, a snakelike heat recovery pipe 6, a cooling pipe 7, a cooling water tank 8 and a black nickel coating 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a hydrophobic heat recovery unit of power plant's steam turbine, includes device shell 1, be provided with hot-water line 2, recovery tube 3, steam pipe 4 and inlet tube 5 on the device shell 1, hot-water line 2 through the screw with the upper left side sealing connection of device shell 1, recovery tube 3 through screw with the lower left side sealing connection of device shell 1, steam pipe 4 through the screw with the bottom sealing connection of device shell 1, inlet tube 5 through the screw with the upper right side sealing connection of device shell 1, the inside of device shell 1 is provided with snakelike heat recovery pipe 6, inlet tube 5 passes through cooling tube 7 and connects cooling water tank 8, the outside of snakelike heat recovery pipe 6 is provided with black nickel coating 9, in this embodiment through the combination of snakelike heat recovery pipe 6 and black nickel coating 9 as shown in figure 1 and figure 2, when the heat recovery device (the specific structure is described in the specific document), the cooling liquid in the cooling water tank 8 enters the water inlet pipe 5 through the cooling pipe 7, then the cooling liquid enters the serpentine heat recovery pipe 6, at this time, the black nickel coating 9 can absorb the heat in the device shell 1 and transfer the absorbed heat, so that the cooling liquid is heated, and then the hot water pipe 2 discharges the cooling liquid, the contact surface of the heat recovery pipe in the heat recovery process is effectively increased, the speed of the heat recovery pipe in absorbing the heat in the device shell 1 is increased, the efficiency of the heat recovery device in recovering the drainage heat of the steam turbine in the power plant is improved, the number of parts of the device is reduced, and the cost of the device in production is reduced.
In this embodiment, referring to fig. 1, the upper end of the cooling pipe 7 is hermetically connected to the bottom of the cooling water tank 8 through a screw, and the lower end of the cooling pipe 7 is hermetically connected to the upper end of the water inlet pipe 5 through a screw, so that the cooling liquid in the cooling water tank 8 can effectively and conveniently enter the water inlet pipe 5 through the cooling pipe 7.
In this embodiment, referring to fig. 1, the right end of the serpentine heat recovery pipe 6 is hermetically connected to the left end of the water inlet pipe 5 by a screw, and the left end of the serpentine heat recovery pipe 6 is hermetically connected to the right end of the hot water pipe 2 by a screw, so that the contact area during heat recovery can be effectively increased.
In this embodiment, referring to fig. 2, the black nickel coating 9 is uniformly coated on the outer surface of the serpentine heat recovery tube 6, and the thickness of the black nickel coating 9 is 3mm, which is effective in increasing the heat absorption speed of the serpentine heat recovery tube 6.
In the embodiment, referring to fig. 1, the cooling water tank 8 is located above the device housing 1 and on the right side of the device housing 1, and the function of the cooling water tank 8 is to effectively and conveniently generate a height difference between the cooling water tank 8 and the device housing 1.
It should be noted that the steam turbine drainage heat recovery device of the power plant of the utility model comprises a device shell 1, a hot water pipe 2, a recovery pipe 3, a steam pipe 4, a water inlet pipe 5, a serpentine heat recovery pipe 6, a cooling pipe 7, a cooling water tank 8, a black nickel coating 9 and other parts which are all universal standard parts or parts known by technicians in the field, the structure and principle of the device can be known by technicians in the field through technical manuals or conventional experimental methods, at the idle position of the device, all electric devices in the above are connected through wires, referring to a power element, an electric device, an adaptive monitoring computer and a power supply, and a specific connecting means, in reference to the following working principle, the electric devices are electrically connected in sequence, and the detailed connecting means is known in the field, and the following working principle and process are mainly introduced, no description is made on electrical control, when a steam turbine drainage heat recovery device in a power plant is used, through the combination of the serpentine heat recovery pipe 6 and the black nickel coating 9, when the heat recovery device (the specific structure of which is explicitly described in the reference document) is used, the cooling liquid in the cooling water tank 8 enters the water inlet pipe 5 through the cooling pipe 7, and then enters the serpentine heat recovery pipe 6, at this time, the black nickel coating 9 absorbs the heat in the device shell 1 and transfers the absorbed heat, so as to heat the cooling liquid, and then the cooling liquid is discharged by the hot water pipe 2, thereby effectively increasing the contact surface of the heat recovery pipe when recovering the heat, accelerating the speed of absorbing the heat in the device shell 1 by the heat recovery pipe, and improving the efficiency of the heat recovery device when recovering the steam turbine drainage heat in the power plant, and the number of parts of the device is reduced, and the cost of the device during production is reduced.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a power plant's steam turbine drainage heat recovery unit, includes device shell (1), its characterized in that: be provided with hot-water line (2), recovery tube (3), steam pipe (4) and inlet tube (5) on device shell (1), hot-water line (2) through the screw with the upper left side sealing connection of device shell (1), recovery tube (3) through the screw with the lower left side sealing connection of device shell (1), steam pipe (4) through the screw with the bottom sealing connection of device shell (1), inlet tube (5) through the screw with the upper right side sealing connection of device shell (1), the inside of device shell (1) is provided with snakelike heat recovery pipe (6), cooling water tank (8) are connected through cooling tube (7) in inlet tube (5), the outside of snakelike heat recovery pipe (6) is provided with black nickel coating (9).
2. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the upper end of the cooling pipe (7) is in sealing connection with the bottom of the cooling water tank (8) through a screw, and the lower end of the cooling pipe (7) is in sealing connection with the upper end of the water inlet pipe (5) through a thread.
3. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the right end of the snake-shaped heat recovery pipe (6) is in sealing connection with the left end of the water inlet pipe (5) through a screw, and the left end of the snake-shaped heat recovery pipe (6) is in sealing connection with the right end of the hot water pipe (2) through a screw.
4. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the black nickel coating (9) is uniformly coated on the outer surface of the snake-shaped heat recovery pipe (6), and the thickness of the black nickel coating (9) is 3 mm.
5. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the cooling water tank (8) is located above the device case (1) and on the right side of the device case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120482617.7U CN215337798U (en) | 2021-03-07 | 2021-03-07 | Steam turbine drainage heat recovery device of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120482617.7U CN215337798U (en) | 2021-03-07 | 2021-03-07 | Steam turbine drainage heat recovery device of power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215337798U true CN215337798U (en) | 2021-12-28 |
Family
ID=79582801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120482617.7U Expired - Fee Related CN215337798U (en) | 2021-03-07 | 2021-03-07 | Steam turbine drainage heat recovery device of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215337798U (en) |
-
2021
- 2021-03-07 CN CN202120482617.7U patent/CN215337798U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |