CN113124622A - Device for improving stability of indirect cooling system - Google Patents
Device for improving stability of indirect cooling system Download PDFInfo
- Publication number
- CN113124622A CN113124622A CN201911394735.6A CN201911394735A CN113124622A CN 113124622 A CN113124622 A CN 113124622A CN 201911394735 A CN201911394735 A CN 201911394735A CN 113124622 A CN113124622 A CN 113124622A
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- Prior art keywords
- sector
- water outlet
- pipeline
- stability
- cooling system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
Abstract
The invention discloses a device for improving the stability of an indirect cooling system, which comprises a first sector and a second sector positioned on one side of the first sector, wherein the first sector and the second sector respectively comprise water outlet pipelines and water inlet pipelines, the water outlet pipelines correspond to the water inlet pipelines one by one, a connecting pipeline and an electric gate valve are respectively arranged between the two water outlet pipelines and between the two water inlet pipelines, the electric gate valve is fixedly arranged on the connecting pipeline, a fixing ring is arranged between the water outlet pipelines and the connecting pipelines, and two groups of connecting plates are fixedly arranged on the outer surfaces of two sides of the fixing ring. The invention can communicate the first sector with the second sector, can effectively utilize the idle cooling sector when a single unit operates, reduces the operation cost of the system, improves the operation efficiency of the system, can communicate two adjacent sectors when part of the cooling sector of the unit breaks down and needs to be maintained, and does not influence the normal operation of the unit.
Description
Technical Field
The invention relates to the technical field of indirect cooling system operation, in particular to a device for improving the stability of an indirect cooling system.
Background
In the indirect cooling system of two machines and one tower of most thermal power plants at present, the circulating water of two units is radiated by using the same indirect cooling tower, but the circulating water systems of the indirect cooling system are independent from each other, and the circulating water of the two units operates independently without mutual interference.
In some thermal power plants, the water inlet pipelines of the circulating water pipelines of the two units are connected with each other, and the water return pipelines are connected with each other, so that the cooling sectors of the two units can be used in a crossed manner, the similar problem of the faults of the cooling sectors of the units when a single unit runs can be effectively solved, the cooling sectors of one unit can be only utilized, and the advantages of two units and one tower are not fully utilized.
In the traditional two-unit one-tower intercooling system, the circulating water parts of the first unit and the second unit are mutually independent, namely, the cooling sectors of the first unit and the second unit are not communicated with each other, when the first unit operates, the heat dissipation capacity is insufficient, the return water temperature is high, or the sectors of the first unit break down and other special conditions are met, and the idle cooling sectors of the second unit cannot be effectively utilized.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. when a single unit operates, the cooling sector of the other unit is in an idle state, and if the cooling effect of the circulating water of the operating unit does not meet the operating requirement, the cooling sector of the idle unit cannot be utilized; 2. when part of cooling sectors of one unit breaks down and needs to be maintained, the circulating water cooling effect cannot meet the operation requirement, and the load of the unit can only be reduced.
Therefore, a device for improving the stability of the indirect cooling system is provided.
Disclosure of Invention
The invention aims to provide a device for improving the stability of an indirect cooling system, which can communicate a first sector with a second sector, can effectively utilize idle cooling sectors when a single unit runs, reduces the running cost of the system, improves the running efficiency of the system, can communicate two adjacent sectors when part of the cooling sectors of one unit breaks down and needs maintenance, and does not influence the normal running of the unit, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a device for improve intercooling system stability, includes first sector and the second sector that is located first sector one side, first sector and second sector all include outlet conduit and inlet channel, and outlet conduit and inlet channel one-to-one, two all be provided with connecting tube and electric gate valve between the outlet conduit and between two inlet channels, and electric gate valve fixed mounting is on the connecting tube, be provided with the retainer plate between outlet conduit and the connecting tube, the equal fixed mounting in both sides surface of retainer plate has two sets of connecting plates, the spread groove has all been seted up to the medial surface that connecting tube is relative with outlet conduit.
This setting can be with intercommunication between first sector and the second sector, and single unit operation can make two units of originally reduce the load operation, becomes single unit full load operation, and the idle cooling sector of effective utilization has avoided because of the idle economic loss who causes of equipment, has reduced the running cost of system, has improved system operating efficiency, and the part cooling sector when a unit breaks down, when needing the maintenance, can be with intercommunication between two adjacent sectors, do not influence unit normal operating.
Preferably, the outer surfaces of the upper end and the lower end of the connecting pipeline and the water outlet pipeline are respectively fixedly provided with a fixed block, the outer surface of one side of the fixed block positioned on the connecting pipeline is fixedly provided with a screw rod, the other end of the screw rod can penetrate through the fixed block positioned on the water outlet pipeline, and the outer surface of the screw rod is in threaded connection with a nut.
This arrangement increases the stability of the connection between the retaining ring and the outlet conduit and the connecting conduit.
Preferably, the outer diameter of the fixing ring, the outer diameter of the connecting pipeline and the outer diameter of the water outlet pipeline are equal, and the inner diameter of the fixing ring, the inner diameter of the connecting pipeline and the inner diameter of the water outlet pipeline are equal.
This arrangement ensures the aesthetic appearance of the pipe after connection.
Preferably, the connecting plates are in one-to-one correspondence with the connecting grooves, the connecting plates are in threaded connection with the connecting grooves, and the connecting plates are two groups of connecting plates provided with two-way threads.
This arrangement facilitates the user in connecting the connecting conduit to the outlet conduit.
Preferably, the connecting plates and the fixing ring are integrated components, the number of the connecting plates in each group is two, and the two connecting plates are located on the outer surface of the same side of the fixing ring and are close to the upper end and the lower end.
The arrangement increases the connection stability of the connecting pipeline and the water outlet pipeline
Preferably, an elastic rubber pad is embedded between the fixing ring and the connecting pipeline and between the fixing ring and the water outlet pipeline respectively.
This arrangement increases the tightness of the connection between the two.
Preferably, the connection mode between the two water inlet pipelines and the connection pipeline is the same as the connection mode between the water outlet pipeline and the connection pipeline.
This arrangement facilitates the user's communication between the two sectors.
Compared with the prior art, the invention has the beneficial effects that:
1. installing an electric gate valve on a connecting pipeline, then respectively connecting two ends of the connecting pipeline with water outlet pipelines on a first sector and a second sector, placing a fixed ring between the connecting pipeline and the water outlet pipelines, embedding an elastic rubber gasket between the connecting pipeline and the water outlet pipelines for sealing, respectively inserting connecting plates on two sides of the fixed ring into connecting grooves on the two water outlet pipelines and the connecting pipeline, and rotating the fixed ring under the action of bidirectional threads to enable the connecting pipeline and the water outlet pipelines to move in opposite directions, thereby enabling the connecting pipeline and the water outlet pipelines to move towards the position of the fixed ring together, simultaneously enabling a screw rod on the fixed block on the connecting pipeline to penetrate through the inside of the fixed block on the water outlet pipeline, and screwing a nut on the screw rod, enabling the nut to be positioned on the outer side surface of the fixed block on the water outlet pipeline, and connecting the connecting pipeline, the water outlet, the connecting pipeline with the electric gate valve is arranged between the water outlet pipeline on the first sector and the water outlet pipeline on the second sector, the connecting pipeline is arranged between the two water inlet pipelines in the same installation mode, the first sector and the second sector are communicated, the two sectors are controlled to be in a communicated or disconnected state through the electric gate valve, and when the two sectors are disconnected, circulating water of the two units can independently run without mutual interference; the electric gate valve is opened to communicate the two sectors, when a single unit operates, the original two units can be operated in a load reduction mode to become the full-load operation of the single unit, idle cooling sectors are effectively utilized, economic loss caused by equipment idling is avoided, the operation cost of a system is reduced, the operation efficiency of the system is improved, when part of the cooling sectors of the unit breaks down and needs to be maintained, the two adjacent sectors can be communicated without influencing the normal operation of the unit, the cooling sectors of the two units can be used alternately, the possibility of the load reduction operation of the unit caused by the sector reasons is reduced to a certain extent, powerful guarantee is provided for the stable operation of the system, when the number of the communicated sectors is too large, a standby circulating water pump is started, and the sectors can be timely filled with circulating water.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a combined view of a first sector and a second sector of the present invention;
FIG. 3 is a view of the combination of the electric gate valve of the present invention and the connecting pipe;
FIG. 4 is a combination view of the connecting tube of the present invention with the outlet tube;
fig. 5 is a partial structural view of the fixing ring of the present invention.
In the figure: 1. a first sector; 2. a second sector; 3. a water outlet pipeline; 4. a water inlet pipe; 5. an electric gate valve; 6. connecting a pipeline; 7. a stationary ring; 8. a fixed block; 9. a connecting plate; 10. connecting grooves; 11. a nut; 12. a screw.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution:
the utility model provides a device for improve intercooling system stability, as shown in fig. 1, including first sector 1 and the second sector 2 that is located 1 one side of first sector, first sector 1 all includes outlet conduit 3 and inlet channel 4 with second sector 2, and outlet conduit 3 and inlet channel 4 one-to-one, two all be provided with connecting tube 6 and electric gate valve 5 between the outlet conduit 3 and between two inlet channel 4, and 5 fixed mounting of electric gate valve on connecting tube 6, be provided with retainer plate 7 between outlet conduit 3 and the connecting tube 6, the equal fixed mounting in both sides surface of retainer plate 7 has two sets of connecting plates 9, connecting tube 6 has all seted up spread groove 10 with the relative medial surface of outlet conduit 3.
Through adopting above-mentioned technical scheme, can be with intercommunication between first sector 1 and the second sector 2, when single unit operation, can make two units original reduce the load operation, become single unit full load operation, effectively utilize idle cooling sector, avoided because of the idle economic loss who causes of equipment, the running cost of system has been reduced, the operating efficiency of system has been improved, when the partial cooling sector of a unit breaks down, when needing the maintenance, can communicate between two adjacent sectors, do not influence the unit normal operating.
Specifically, as shown in fig. 1, the connecting pipe 6 and the outer surface of the upper end and the lower end of the water outlet pipe 3 are both fixedly provided with a fixing block 8, the outer surface of one side of the fixing block 8 on the connecting pipe 6 is fixedly provided with a screw 12, the other end of the screw 12 can penetrate through the fixing block 8 on the water outlet pipe 3, and the outer surface of the screw 12 is in threaded connection with a nut 11.
Through adopting above-mentioned technical scheme, increase the stability of being connected between retainer plate 7 and outlet conduit 3 and the connecting tube 6.
Specifically, as shown in fig. 3 and 4, the outer diameter of the fixing ring 7 and the outer diameter of the connecting pipe 6 are equal to the outer diameter of the outlet pipe 3, and the inner diameter of the fixing ring 7 and the inner diameter of the connecting pipe 6 are equal to the inner diameter of the outlet pipe 3.
By adopting the technical scheme, the attractiveness of the pipeline after connection is ensured.
Specifically, as shown in fig. 4, the connecting plates 9 correspond to the connecting grooves 10 one by one, the connecting plates and the connecting grooves are in threaded connection, and two groups of the connecting plates 9 are provided with bidirectional threads.
Through adopting above-mentioned technical scheme, convenient to use person links together connecting tube 6 and outlet conduit 3.
Specifically, as shown in fig. 5, the connecting plates 9 and the fixing ring 7 are integrated components, the number of the connecting plates 9 in each group is two, and the two connecting plates 9 are located at positions on the same side of the outer surface of the fixing ring 7, which are close to the upper end and the lower end.
By adopting the technical scheme, the stability of the connection between the connecting pipeline 6 and the water outlet pipeline 3 is improved
Specifically, as shown in fig. 4 and 5, elastic rubber pads are respectively embedded between the fixing ring 7 and the connecting pipe 6 and the water outlet pipe 3.
By adopting the technical scheme, the connection tightness between the two is improved.
Specifically, as shown in fig. 1, 2 and 3, the two inlet pipes 4 and the connecting pipe 6 are connected in the same manner as the outlet pipe 3 and the connecting pipe 6.
Through adopting above-mentioned technical scheme, convenient to use person communicates between two sectors.
The working principle is as follows: installing an electric gate valve 5 on a connecting pipeline 6, then respectively connecting two ends of the connecting pipeline 6 with the water outlet pipelines 3 on the first sector 1 and the second sector 2, placing a fixed ring 7 between the connecting pipeline 6 and the water outlet pipelines 3, embedding an elastic rubber gasket between the two for sealing, respectively inserting connecting plates 9 at two sides of the fixed ring 7 into connecting grooves 10 on the two water outlet pipelines 3 and the connecting pipeline 6, and rotating the fixed ring 7 under the action of bidirectional threads to enable the connecting pipeline 6 and the water outlet pipelines 3 to move in opposite directions, thereby enabling the two to move towards the position of the fixed ring 7 together, simultaneously enabling a screw 12 on a fixed block 8 on the connecting pipeline 6 to penetrate through the inside of the fixed block 8 on the water outlet pipeline 3, and screwing a nut 11 on the screw 12 to enable the nut 11 to be positioned on the outer side face of the fixed block 8 on the water outlet pipeline 3, the connecting pipeline 6, the water outlet pipeline 3 and the fixing ring 7 can be connected together, so that the connecting pipeline 6 with the electric gate valve 5 is arranged between the water outlet pipeline 3 on the first sector 1 and the water outlet pipeline 3 on the second sector 2, the connecting pipeline 6 is arranged between the two water inlet pipelines 4 in the same installation mode, the first sector 1 and the second sector 2 are communicated, the two sectors are controlled to be in a communicated or disconnected state through the electric gate valve 5, and when the two sectors are disconnected, circulating water of the two units can be operated independently without mutual interference; the electric gate valve 5 is opened to communicate the two sectors, when a single unit operates, the original two units can be operated in load reduction mode to become the full-load operation of the single unit, idle cooling sectors are effectively utilized, economic loss caused by equipment idling is avoided, the operation cost of a system is reduced, the operation efficiency of the system is improved, when part of the cooling sectors of the unit breaks down and needs to be maintained, the two adjacent sectors can be communicated without influencing the normal operation of the unit, the cooling sectors of the two units can be used alternately, the possibility of the load reduction operation of the unit caused by the reasons of the sectors is reduced to a certain extent, powerful guarantee is provided for the stable operation of the system, when the number of the communicated sectors is too large, a standby circulating water pump is started, and the sectors can be timely filled with circulating water.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An apparatus for improving stability of an indirect cooling system, comprising a first sector (1) and a second sector (2) located at one side of the first sector (1), characterized in that: first sector (1) and second sector (2) all include outlet conduit (3) and inlet channel (4), and outlet conduit (3) and inlet channel (4) one-to-one, two all be provided with connecting tube (6) and electric gate valve (5) between outlet conduit (3) and between two inlet channel (4), and electric gate valve (5) fixed mounting is on connecting tube (6), be provided with retainer plate (7) between outlet conduit (3) and connecting tube (6), the equal fixed mounting in both sides surface of retainer plate (7) has two sets of connecting plates (9), connecting tube (6) and the relative medial surface of outlet conduit (3) have all seted up spread groove (10).
2. The apparatus for improving the stability of an indirect cooling system according to claim 1, wherein: the water outlet pipe is characterized in that a fixing block (8) is fixedly mounted on the outer surface of the upper end and the lower end of the connecting pipe (6) and the water outlet pipe (3), a screw rod (12) is fixedly mounted on the outer surface of one side of the fixing block (8) on the connecting pipe (6), the other end of the screw rod (12) can penetrate through the fixing block (8) on the water outlet pipe (3), and a nut (11) is connected to the outer surface of the screw rod (12) in a threaded mode.
3. The apparatus for improving the stability of an indirect cooling system according to claim 1, wherein: the outer diameter of the fixing ring (7) and the outer diameter of the connecting pipeline (6) are equal to the outer diameter of the water outlet pipeline (3), and the inner diameter of the fixing ring (7) and the inner diameter of the connecting pipeline (6) are equal to the inner diameter of the water outlet pipeline (3).
4. The apparatus for improving the stability of an indirect cooling system according to claim 1, wherein: the connecting plates (9) are in one-to-one correspondence with the connecting grooves (10), the connecting plates are in threaded connection with the connecting grooves, and two groups of the connecting plates (9) are provided with bidirectional threads.
5. The apparatus for improving the stability of an indirect cooling system according to claim 1, wherein: the connecting plates (9) and the fixing rings (7) are integrated components, the number of the connecting plates (9) in each group is two, and the two connecting plates (9) are located on the outer surfaces of the same side of the fixing rings (7) and are close to the upper end and the lower end.
6. The apparatus for improving the stability of an indirect cooling system according to claim 1, wherein: and an elastic rubber pad is embedded between the fixing ring (7) and the connecting pipeline (6) and the water outlet pipeline (3) respectively.
7. The apparatus for improving the stability of an indirect cooling system according to claim 1, wherein: the connection mode between the two water inlet pipelines (4) and the connecting pipeline (6) is the same as that between the water outlet pipeline (3) and the connecting pipeline (6).
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CN201911394735.6A CN113124622A (en) | 2019-12-30 | 2019-12-30 | Device for improving stability of indirect cooling system |
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CN201911394735.6A CN113124622A (en) | 2019-12-30 | 2019-12-30 | Device for improving stability of indirect cooling system |
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Citations (8)
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CN102322747A (en) * | 2011-08-01 | 2012-01-18 | 山西省电力勘测设计院 | Indirect cooling system of header system consisting of two turbines and one tower |
JP2013020509A (en) * | 2011-07-12 | 2013-01-31 | Sumitomo Heavy Ind Ltd | Temperature control device, temperature control system and temperature control system |
CN103712017A (en) * | 2013-11-28 | 2014-04-09 | 江阴海陆高压管件有限公司 | Pipeline connecting member |
CN105823345A (en) * | 2016-05-10 | 2016-08-03 | 西安西热节能技术有限公司 | Circulating cooling water neighbor connection system applied to cold end systems of indirect air cooling units |
CN105953490A (en) * | 2016-04-26 | 2016-09-21 | 哈尔滨工业大学 | Networking air cooling system |
CN108398035A (en) * | 2018-02-27 | 2018-08-14 | 山东电力工程咨询院有限公司 | A kind of subsidiary engine cooling water is incorporated to host indirect cool tower combination cooling system and method |
CN108744081A (en) * | 2018-06-11 | 2018-11-06 | 成都冠禹科技有限公司 | A kind of sputum aspirator of respiratory tract and Pulmonary Diseases |
CN110160373A (en) * | 2019-05-22 | 2019-08-23 | 内蒙古京能盛乐热电有限公司 | Indirect cool tower summer is solved because environment temperature generation high back pressure leads to the method for limited load |
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2019
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013020509A (en) * | 2011-07-12 | 2013-01-31 | Sumitomo Heavy Ind Ltd | Temperature control device, temperature control system and temperature control system |
CN102322747A (en) * | 2011-08-01 | 2012-01-18 | 山西省电力勘测设计院 | Indirect cooling system of header system consisting of two turbines and one tower |
CN103712017A (en) * | 2013-11-28 | 2014-04-09 | 江阴海陆高压管件有限公司 | Pipeline connecting member |
CN105953490A (en) * | 2016-04-26 | 2016-09-21 | 哈尔滨工业大学 | Networking air cooling system |
CN105823345A (en) * | 2016-05-10 | 2016-08-03 | 西安西热节能技术有限公司 | Circulating cooling water neighbor connection system applied to cold end systems of indirect air cooling units |
CN108398035A (en) * | 2018-02-27 | 2018-08-14 | 山东电力工程咨询院有限公司 | A kind of subsidiary engine cooling water is incorporated to host indirect cool tower combination cooling system and method |
CN108744081A (en) * | 2018-06-11 | 2018-11-06 | 成都冠禹科技有限公司 | A kind of sputum aspirator of respiratory tract and Pulmonary Diseases |
CN110160373A (en) * | 2019-05-22 | 2019-08-23 | 内蒙古京能盛乐热电有限公司 | Indirect cool tower summer is solved because environment temperature generation high back pressure leads to the method for limited load |
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