CN211739930U - Novel water distribution adjusting device for cooling tower of thermal power plant - Google Patents
Novel water distribution adjusting device for cooling tower of thermal power plant Download PDFInfo
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- CN211739930U CN211739930U CN201922493680.6U CN201922493680U CN211739930U CN 211739930 U CN211739930 U CN 211739930U CN 201922493680 U CN201922493680 U CN 201922493680U CN 211739930 U CN211739930 U CN 211739930U
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Abstract
The utility model discloses a novel water distribution adjusting device for a cooling tower of a thermal power plant, which comprises a siphon device, a communicating pipeline, a first valve and an air exhaust device, wherein the siphon device comprises a siphon weir and a siphon pipe, the water outlet end of the siphon weir is communicated with an inner-wall water distribution tank, the water inlet end of one end of the siphon pipe is communicated with a central vertical shaft, the water outlet end of the siphon pipe is inserted into the water inlet end of the siphon weir, the communicating pipeline is arranged in the siphon weir, one end of the communicating pipeline is communicated with the water outlet end of the siphon pipe, and the other end of the communicating pipeline is communicated with the siphon; the first valve is arranged in the communicating pipeline, and the air inlet end of the air suction device is communicated with the communicating pipeline and the communicating position is positioned between the water outlet end of the siphon and the first valve. The utility model discloses the technique the utility model discloses the water level in the shaft is not higher than the top of siphon, takes the air in the siphon out through air exhaust device, makes the siphon can continue to pass through the mode suction of siphon with the water in the shaft.
Description
Technical Field
The utility model relates to a cooling arrangement technical field, concretely relates to novel water distribution adjusting device of thermal power factory cooling tower.
Background
The cooling tower of the thermal power plant is important equipment of cooling circulating water, the cooling tower generally adopts a circulating water pump to be started at present to establish a siphon control inner-surrounding water distribution mode, a siphon cover and a siphon weir are arranged at the joint of a central shaft of the cooling tower and a main water distribution tank, circulating water of the shaft is enabled to be distributed to the inner-surrounding water distribution tank through the siphon cover and the siphon weir, and a plurality of circulating water pumps are added to adjust the water level of the shaft to control the inner-surrounding water distribution.
The existing water distribution device has the defects that the height of a siphon weir is fixed, a water pump continuously pumps water into a shaft, along with the continuous rising of the water level in the shaft, the air in a siphon cover is discharged gradually, when the water level in the shaft is higher than the top of the siphon cover, the air in the siphon cover is completely discharged, the water in the shaft is discharged into an inner-surrounding water distribution tank through the siphon cover, but under certain specific conditions, for example, under the condition that summer is lack of electricity or part of the water pump is damaged, the water level in the shaft cannot be higher than the top of the siphon cover, the air in the siphon cover cannot be completely discharged, the siphon cover cannot suck the water in the shaft through a siphon mode, and the cooling efficiency of a follow-up cooling tower is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a novel water distribution adjusting device of thermal power factory cooling tower, solve among the prior art technical problem that siphon effect can't produce when the shaft water level of cooling tower rises to not being higher than siphon cover top.
In order to achieve the technical purpose, the technical scheme of the utility model provides a novel water distribution adjusting device of a cooling tower of a thermal power plant, including siphon device, communicating pipe, first valve, air exhaust device, the siphon device includes siphon weir, siphon, and the delivery end of siphon weir is linked together with interior water distribution tank, the water inlet end of one end of siphon is linked together with central shaft, the delivery end inserts and locates the water inlet end of siphon weir, the top of siphon is higher than the siphon weir, place in the communicating pipe in the siphon weir, and its one end is linked together with the delivery end of siphon, the other end is linked together with the siphon weir; the first valve is arranged in the communicating pipeline, the air inlet end of the air extracting device is communicated with the communicating pipeline, the communicating position is located between the water outlet end of the siphon pipe and the first valve, and the air extracting device is used for extracting air in the siphon pipe.
Compared with the prior art, the beneficial effects of the utility model include: the utility model discloses the water level in the shaft is not higher than the top of siphon, takes the air in the siphon out through air exhaust device, makes the siphon can continue to pass through the mode suction of siphon with the water in the shaft.
Drawings
Fig. 1 is a schematic structural view of a novel water distribution adjusting device of a cooling tower of a thermal power plant;
FIG. 2 is a schematic structural view of the siphon device, the air exhaust pipeline, the communication pipeline and the first valve of the present invention;
FIG. 3 is a schematic structural view of the siphon, siphon weir, air extractor, and connecting pipe of the present invention;
fig. 4 is a schematic structural diagram of the siphon, siphon weir, air outlet pipe and second valve of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-4, the utility model provides a novel water distribution adjusting device of cooling tower in thermal power plant, including siphon device 1, communicating pipe 2, first valve 3, air exhaust device 4, siphon device 1 includes siphon weir 11, siphon 12, and the delivery end of siphon weir 11 is linked together with interior water distribution tank 5, the water inlet end of one end of siphon 12 is linked together with central shaft 6, and the delivery end is inserted and is located the water inlet end of siphon weir 11, the top of siphon 12 is higher than siphon weir 11, place in communicating pipe 2 siphon weir 11, and its one end is linked together with the delivery end of siphon 12, the other end is linked together with siphon weir 11; the first valve 3 is arranged in the communicating pipe 2, the air inlet end of the air extracting device 4 is communicated with the communicating pipe 2, the communicating position is located between the water outlet end of the siphon tube 12 and the first valve 3, and the air extracting device 4 is used for extracting air in the siphon tube 12.
As shown in fig. 1-2, according to the novel water distribution adjusting device for a cooling tower of a thermal power plant in the present embodiment, the cooling tower raises the water level of the central shaft 6 by the circulating water pump, when the water level rises to be higher than the inner water distribution tank 5, the first valve 3 is closed, the air in the siphon tube 12 is pumped out by the air pumping device 4, the water flow enters the siphon weir 11 through the siphon tube 12, the first valve 3 is opened, and the water flow enters the inner water distribution tank 5 through the siphon weir 11, so as to realize the inner water distribution of the cooling tower.
Preferably, as shown in fig. 4, the novel water distribution adjusting device for the cooling tower of the thermal power plant further includes an air outlet pipe 7 and a second valve 8, one end of the air outlet pipe 7 is communicated with the siphon 12, the other end of the air outlet pipe is communicated with the outside, the second valve 8 is disposed at the other end of the air outlet pipe 7, and the second valve 7 is opened to allow outside air to enter the siphon 12, so that siphoning is stopped.
Preferably, the connection between the outlet pipe 7 and the siphon tube 12 is located at the top of the siphon tube 12, so as to ensure that the siphon can be broken quickly when air enters the siphon tube 12.
Preferably, as shown in fig. 3, the air extractor 4 includes a water jet air extractor 41, an air extraction pipeline 42, a third valve 43, and a pressure gauge 44, one end of the air extraction pipeline 42 is communicated with the water jet air extractor 41, the other end of the air extraction pipeline is communicated with the communication pipeline 2, and the communication position is located between the water outlet end of the siphon 12 and the first valve 3, the third valve 43 is disposed in the air extraction pipeline 42, the pressure gauge 44 is disposed between the third valve 43 and the air extraction pipeline, and the completion condition of air extraction is detected by a value of the pressure gauge 44.
Preferably, the novel water distribution adjusting device's of thermal power factory cooling tower quantity is four, each the novel water distribution adjusting device of thermal power factory cooling tower all distributes around central shaft, and four air exhaust device 4 normal work backs, the numerical value of every manometer 44 of comparison for whether the detection water jet air ejector 41 blocks up and whether air bleed pipe 42 leaks out, with the maintenance and the change of carrying out the device.
The utility model discloses an in the use, the circulating water pump of cooling tower normally works, 6 water levels of central shaft rise to peripheral distributing flume, the water level continues to rise this moment, when rising to 5 height in the peripheral distributing flume in surpassing, close first valve 3, when making siphon 12 and siphon weir 11 form airtight space, open third valve 43, penetrate water ejector 41 and begin the inside air of normal work extraction siphon 12, the circulating water of central shaft 6 is along getting into siphon weir 11 on siphon 12 under the pressure differential effect, when manometer 44's pressure no longer changes, open first valve 3 and make rivers by siphon weir 11 entering in the peripheral distributing flume 5, the third distributing valve 43 is closed again, adopt above-mentioned method to realize enclosing in four places in proper order.
When the water distribution in the enclosure needs to be closed, the four second valves 8 are opened, air enters the siphon pipe 12 through the air outlet pipe 7, the pressure difference between the inside and the outside of the siphon pipe 12 is consistent, the siphon pipe 12 cannot generate siphon, water flow cannot continuously enter the siphon weir 11 from the siphon pipe 12, and therefore the water distribution in the enclosure is closed.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The novel water distribution adjusting device for the cooling tower of the thermal power plant is characterized by comprising a siphon device, a communicating pipeline, a first valve and an air exhaust device, wherein the siphon device comprises a siphon weir and a siphon pipe, the water outlet end of the siphon weir is communicated with an inner-wall water distribution tank, the water inlet end of one end of the siphon pipe is communicated with a central vertical shaft, the water outlet end of the siphon pipe is inserted into the water inlet end of the siphon weir, the top of the siphon pipe is higher than the siphon weir, the communicating pipeline is arranged in the siphon weir, one end of the communicating pipeline is communicated with the water outlet end of the siphon pipe, and the other end of the communicating pipeline is communicated with the; the first valve is arranged in the communicating pipeline, the air inlet end of the air extracting device is communicated with the communicating pipeline, the communicating position is located between the water outlet end of the siphon pipe and the first valve, and the air extracting device is used for extracting air in the siphon pipe.
2. The novel water distribution adjusting device for the cooling tower of the thermal power plant as claimed in claim 1, further comprising an air outlet pipe and a second valve, wherein one end of the air outlet pipe is communicated with the siphon pipe, the other end of the air outlet pipe is communicated with the outside, and the second valve is disposed at the other end of the air outlet pipe.
3. The novel water distribution adjusting device for the cooling tower of the thermal power plant as claimed in claim 2, wherein the communication position of the air outlet pipeline and the siphon is located at the top of the siphon.
4. The novel water distribution adjusting device for the cooling tower of the thermal power plant as claimed in claim 2, wherein the air extractor comprises a water jet air extractor, an air extraction pipeline, a third valve and a pressure gauge, one end of the air extraction pipeline is communicated with the water jet air extractor, the other end of the air extraction pipeline is communicated with the communicating pipeline, the communicating position is located between the water outlet end of the siphon and the first valve, the third valve is arranged on the air extraction pipeline, and the pressure gauge is arranged between the third valve and the air extraction pipeline.
5. The novel water distribution adjusting device for the cooling tower of the thermal power plant as claimed in claim 4, wherein the number of the novel water distribution adjusting devices for the cooling tower of the thermal power plant is four, and each novel water distribution adjusting device for the cooling tower of the thermal power plant is distributed around the central shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493680.6U CN211739930U (en) | 2019-12-31 | 2019-12-31 | Novel water distribution adjusting device for cooling tower of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493680.6U CN211739930U (en) | 2019-12-31 | 2019-12-31 | Novel water distribution adjusting device for cooling tower of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211739930U true CN211739930U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922493680.6U Active CN211739930U (en) | 2019-12-31 | 2019-12-31 | Novel water distribution adjusting device for cooling tower of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211739930U (en) |
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2019
- 2019-12-31 CN CN201922493680.6U patent/CN211739930U/en active Active
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