CN219934693U - Condenser for low vacuum heat supply unit - Google Patents
Condenser for low vacuum heat supply unit Download PDFInfo
- Publication number
- CN219934693U CN219934693U CN202321324638.1U CN202321324638U CN219934693U CN 219934693 U CN219934693 U CN 219934693U CN 202321324638 U CN202321324638 U CN 202321324638U CN 219934693 U CN219934693 U CN 219934693U
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- wall
- shell
- condenser
- heat exchange
- plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007790 scraping Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- CAWXEEYDBZRFPE-UHFFFAOYSA-N Hexazinone Chemical compound O=C1N(C)C(N(C)C)=NC(=O)N1C1CCCCC1 CAWXEEYDBZRFPE-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of condensers, in particular to a condenser for a low-vacuum heat supply unit. The technical proposal comprises: shell, electric putter, fixed plate and connecting rod, the fixed plate is all installed to shell inner wall both sides, the heat exchange tube that circular array distributes is installed in the inside grafting of fixed plate, electric putter is installed to shell inner wall one side, the connecting plate is installed to electric putter one end outer wall, the connecting rod that circular array distributes is installed to connecting plate one side outer wall, through setting up electric putter, push pedal and scraper blade, has reached the effect of clearance heat exchange tube, guarantees the flow smoothness nature of cooling water inside the heat exchange tube, avoids the inside foreign matter skinning or caking of heat exchange tube.
Description
Technical Field
The utility model relates to the technical field of condensers, in particular to a condenser for a low-vacuum heat supply unit.
Background
The heat efficiency of the small and medium power plants is only 30% -40%, and nearly 60% of heat is lost, wherein the maximum loss is the cold source loss of the condenser. In order to fully utilize the cold source loss, in the heating period, the heat supply network circulating water of the heating system is introduced into a condenser to serve as cooling circulating water through low vacuum operation, the exhaust steam pressure of a steam turbine is properly improved, the vacuum degree of the condenser is reduced, the exhaust steam temperature is increased, the heat supply network circulating water is heated by utilizing the vaporization latent heat of exhaust steam, so that the water temperature of the heat supply network circulating water is improved, the cold source loss is reduced to 0, the heat efficiency of the whole machine is improved, meanwhile, the circulating cooling water is saved, and the design of the low vacuum operation model is a great breakthrough in energy conservation and consumption reduction.
The patent publication No. CN217764516U discloses a condenser for improving low vacuum heat supply efficiency, which relates to the field of thermoelectric equipment, changes the left end and the right end of an original condenser into a serial connection mode, changes the original double-side single-flow operation into single-side double-flow operation, has large heat transfer coefficient, reduces the water flow speed of the condenser, improves the heat exchange effect, reduces the heat exchange temperature difference, reduces the end difference by 1.5-2 ℃ under the original working condition, improves the vacuum, reduces the heat loss, effectively improves the heat exchange efficiency of the condenser, improves the water temperature of a heat supply network by 0.6-1 ℃ on average, and obviously improves the economic benefit in heating seasons; the pipe diameter of an inlet of a heat supply network circulating pump is increased, and the circulating water quantity of a water pump is improved; a switching barrier valve is not arranged, so that the throttle influence is eliminated; the ball collecting net is arranged as a grid ball collecting net, so that the influence of throttling and blocking is reduced, and bias current is prevented; the connecting pipe is provided with a valve, and the operation modes at the two sides of the condenser are flexibly switched to be in series connection or in parallel connection according to the operation requirement; the reinforcement of the end cover of the condenser ensures the safe use of the condenser in an accident state.
In the using process of the prior art CN217764516U, although more benefits exist, the following problems still exist, and the lack of a cleaning structure for the heat exchange tube leads to that impurities in the cooling water can adhere to the inner wall of the heat exchange tube, so that the inner wall of the heat exchange tube is skinned, and the flow smoothness of the cooling water in the heat exchange tube is affected.
Disclosure of Invention
The utility model aims to provide a condenser for a low vacuum heat supply unit, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a condenser for low vacuum heat supply unit, includes shell, electric putter, fixed plate and connecting rod, the fixed plate is all installed to shell inner wall both sides, the inside grafting of fixed plate installs the heat exchange tube that circular array distributes, electric putter is installed to shell inner wall one side, the connecting plate is installed to electric putter one end outer wall, the connecting rod that circular array distributed is installed to connecting plate one side outer wall.
When the condenser for the low vacuum heat supply unit in the technical scheme is used, cooling water flows through the inside of the water inlet pipe, the heat exchange pipe and the liquid outlet pipe, steam enters the inside of the shell through the air inlet pipe, the heat exchange pipe exchanges heat with the steam, so that the steam is condensed, condensed water is discharged through the water outlet, the electric push rod pushes the connecting plate and the push plate to horizontally move until the push plate enters the inside of the heat exchange pipe, and the scraping plate cleans foreign matters on the inner wall of the heat exchange pipe.
Preferably, a partition plate is installed on the outer wall of one side of the fixed plate, and the partition plate is connected with the inner wall of the shell. The division plate divides the cooling water to ensure the circulating flow of the cooling water in the shell.
Preferably, an air inlet pipe is inserted and installed on one side of the outer wall of the upper end of the shell, and a water outlet is formed on one side of the outer wall of the lower end of the shell. Steam enters the shell through the air inlet pipe, and condensed water is discharged through the water outlet.
Preferably, the upper end of the outer wall of one side of the shell is inserted and provided with a liquid inlet pipe, and the lower end of the outer wall of one side of the shell is inserted and provided with a liquid outlet pipe. Cooling water enters the shell through the liquid inlet pipe, and the cooling water in the shell is discharged through the liquid outlet pipe.
Preferably, the size of the connecting plate is smaller than the size of the inner wall of the shell, and the connecting plate is positioned inside the shell.
Preferably, the push plate is installed on the outer wall of one end of the connecting rod, and the scraping plate is fixedly attached to the outer wall of the push plate. The scraper blade can clear up the heat exchange tube inner wall.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the effect of cleaning the heat exchange tube is achieved by arranging the electric push rod, the push plate and the scraping plate, cooling water flows through the inside of the water inlet pipe, the heat exchange tube and the liquid outlet pipe, steam enters the inside of the shell through the air inlet pipe, the heat exchange tube exchanges heat with the steam to condense the steam, the condensed water is discharged through the water outlet, the electric push rod pushes the connecting plate and the push plate to horizontally move until the push plate enters the inside of the heat exchange tube, the scraping plate cleans foreign matters on the inner wall of the heat exchange tube, the flowing smoothness of the cooling water in the inside of the heat exchange tube is ensured, and the skinning or caking of the foreign matters in the heat exchange tube is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of a housing structure of the present utility model;
fig. 2 is an enlarged schematic view of a portion of the connecting rod structure of the present utility model.
In the figure: 1. a housing; 11. a fixing plate; 12. a water outlet; 13. a heat exchange tube; 14. an air inlet pipe; 15. a partition plate; 16. a liquid inlet pipe; 17. a liquid outlet pipe; 2. an electric push rod; 21. a connecting plate; 22. a connecting rod; 23. a push plate; 24. a scraper.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 2, two embodiments of the present utility model are provided:
embodiment one: the utility model provides a condenser for low vacuum heating unit, includes shell 1, electric putter 2, fixed plate 11 and connecting rod 22, and fixed plate 11 is all installed to shell 1 inner wall both sides, and the heat exchange tube 13 of circular array distribution is installed in inside grafting of fixed plate 11, and electric putter 2 is installed to shell 1 inner wall one side, and connecting plate 21 is installed to electric putter 2 one end outer wall, and connecting rod 22 of circular array distribution is installed to connecting plate 21 one side outer wall.
The division board 15 is installed to fixed plate 11 one side outer wall, and division board 15 is connected with shell 1 inner wall. The partition plate 15 divides the cooling water to ensure the circulating flow of the cooling water inside the casing 1.
An air inlet pipe 14 is inserted and installed on one side of the outer wall of the upper end of the shell 1, and a water outlet 12 is formed on one side of the outer wall of the lower end of the shell 1. Steam enters the inside of the casing 1 through the air inlet pipe 14, and condensed water is discharged through the water discharge port 12.
The upper end of the outer wall of one side of the shell 1 is inserted and provided with a liquid inlet pipe 16, and the lower end of the outer wall of one side of the shell 1 is inserted and provided with a liquid outlet pipe 17. Cooling water enters the shell 1 through the liquid inlet pipe 16, cooling water in the shell 1 is discharged through the liquid outlet pipe 17, the cooling water flows through the water inlet pipe, the heat exchange pipe 13 and the liquid outlet pipe 17, steam enters the shell 1 through the air inlet pipe 14, the heat exchange pipe 13 exchanges heat to the steam, the steam is condensed, and condensed water is discharged through the water outlet 12.
Embodiment two: the utility model discloses a condenser for a low vacuum heat supply unit, which comprises a shell 1, an electric push rod 2, a fixed plate 11 and a connecting rod 22, wherein the fixed plate 11 is arranged on two sides of the inner wall of the shell 1, a heat exchange tube 13 distributed in a circular array is inserted and installed in the fixed plate 11, the electric push rod 2 is installed on one side of the inner wall of the shell 1, as is well known to a person skilled in the art, the electric push rod 2 is also required to be provided so as to enable the electric push rod 2 to work normally, and as is well known to the person in the art, the electric push rod 2 is provided commonly and commonly, and the electric push rod 2 is not repeatedly described herein, and the person in the art can perform random selection according to the needs or convenience of the person, the connecting plate 21 is installed on the outer wall of one end of the electric push rod 2, and the connecting rod 22 distributed in a circular array is installed on the outer wall of one side of the connecting plate 21.
The size of the connection plate 21 is smaller than the inner wall size of the housing 1, and the connection plate 21 is located inside the housing 1.
A push plate 23 is arranged on the outer wall of one end of the connecting rod 22, and a scraping plate 24 is fixedly attached to the outer wall of the push plate 23. The scraper 24 can clear up the inner wall of the heat exchange tube 13, the electric push rod 2 pushes the connecting plate 21 and the push plate 23 to horizontally move until the push plate 23 enters the heat exchange tube 13, and the scraper 24 cleans foreign matters on the inner wall of the heat exchange tube 13, so that the flow smoothness of cooling water in the heat exchange tube 13 is ensured, and the skinning or caking of the foreign matters in the heat exchange tube 13 is avoided.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in 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.
Claims (5)
1. The utility model provides a condenser for low vacuum heating unit, includes shell (1), electric putter (2), fixed plate (11) and connecting rod (22), its characterized in that: fixed plate (11) are all installed to shell (1) inner wall both sides, heat exchange tube (13) that circular array distributes are installed in fixed plate (11) inside grafting, electric putter (2) are installed to shell (1) inner wall one side, connecting plate (21) are installed to electric putter (2) one end outer wall, connecting rod (22) that circular array distributes are installed to connecting plate (21) one side outer wall, push pedal (23) are installed to connecting rod (22) one end outer wall, push pedal (23) outer wall laminating is fixed with scraper blade (24).
2. The condenser for a low vacuum heating unit according to claim 1, wherein: the outer wall of one side of the fixed plate (11) is provided with a separation plate (15), and the separation plate (15) is connected with the inner wall of the shell (1).
3. The condenser for a low vacuum heating unit according to claim 1, wherein: an air inlet pipe (14) is inserted and installed on one side of the outer wall of the upper end of the shell (1), and a water outlet (12) is formed on one side of the outer wall of the lower end of the shell (1).
4. The condenser for a low vacuum heating unit according to claim 1, wherein: the upper end of the outer wall of one side of the shell (1) is inserted and provided with a liquid inlet pipe (16), and the lower end of the outer wall of one side of the shell (1) is inserted and provided with a liquid outlet pipe (17).
5. The condenser for a low vacuum heating unit according to claim 1, wherein: the size of the connecting plate (21) is smaller than the inner wall size of the shell (1), and the connecting plate (21) is positioned inside the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321324638.1U CN219934693U (en) | 2023-05-29 | 2023-05-29 | Condenser for low vacuum heat supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321324638.1U CN219934693U (en) | 2023-05-29 | 2023-05-29 | Condenser for low vacuum heat supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219934693U true CN219934693U (en) | 2023-10-31 |
Family
ID=88503974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321324638.1U Active CN219934693U (en) | 2023-05-29 | 2023-05-29 | Condenser for low vacuum heat supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219934693U (en) |
-
2023
- 2023-05-29 CN CN202321324638.1U patent/CN219934693U/en active Active
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