CN205445806U - A recirculating cooling water system for gas turbine testbed - Google Patents
A recirculating cooling water system for gas turbine testbed Download PDFInfo
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- CN205445806U CN205445806U CN201620265435.3U CN201620265435U CN205445806U CN 205445806 U CN205445806 U CN 205445806U CN 201620265435 U CN201620265435 U CN 201620265435U CN 205445806 U CN205445806 U CN 205445806U
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- 239000000498 cooling water Substances 0.000 title claims abstract description 96
- 230000003134 recirculating effect Effects 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 227
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 81
- 238000006243 chemical reaction Methods 0.000 claims description 40
- 238000012360 testing method Methods 0.000 claims description 17
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 241000195493 Cryptophyta Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000003642 reactive oxygen metabolite Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The utility model discloses a recirculating cooling water system for gas turbine testbed, including control system, cool water pool, hydraulic dynamometer recirculated cooling water subsystem and equipment recirculated cooling water subsystem, control system is connected with cool water pool, hydraulic dynamometer recirculated cooling water subsystem and equipment recirculated cooling water subsystem respectively, and cool water pool is connected a formation cool water pool 0 return circuit with hydraulic dynamometer recirculated cooling water subsystem, and cool water pool is connected the 2nd cool water pool 0 return circuit of formation with equipment recirculated cooling water subsystem. This recirculating cooling water system is rational in infrastructure, the operation reliable, convenient operation, can satisfy different equipment and to the demand of different cooling waters, make recirculated cooling water's temperature, pressure and liquid level isoparametric reach the target setting, be convenient for again centralized management and operation.
Description
Technical field
This utility model relates to industry gas turbine technical field, is specifically related to a kind of recirculating cooling water system for gas turbine test bay.
Background technology
Cooling water system is the important corollary system of gas turbine test bay, and it provides the cooling water of relevant parameter requirement according to the demand of test bay.For gas turbine test bay, generally requiring the gas turbine test carrying out multiple different model, normally comprise the equipment water of low discharge and the hydraulic dynamometer water of big flow, cooling water parameter is required different by they.Such as: when carrying Cooling Water for hydraulic dynamometer, the hydraulic pressure requiring cooling water can not have bigger fluctuation, when cooling water system runs, it is desirable to the liquid level of water cooling pond and hot-tub maintains in scope of design, the control to water supply pump and heat-exchanger pump simultaneously proposes high requirement.When cooling water is after watering equipment and hydraulic dynamometer, and water temperature raises, before recycling, need to process through cooling down, it is to avoid the cooling water of recycling loses cooling effect because of water temperature over-high.Additionally, test bay and cooling water pump room are generally separately positioned on zones of different by prior art, so it is not easy to centralized management and operation.
Therefore, it is necessary to design the recirculating cooling water system of a kind of perfect in shape and function, thus meet the multiple demand of gas turbine test bay.
Utility model content
The deficiency existed for prior art, this utility model purpose is to provide a kind of recirculating cooling water system for gas turbine test bay, can meet the gas turbine test bay demand to different parameters cooling water.
To achieve these goals, this utility model is to realize by the following technical solutions:
Recirculating cooling water system for gas turbine test bay of the present utility model, including control system, water cooling pond, hydraulic dynamometer circulating cooling water subsystem and equipment circulating cooling water subsystem, described control system is connected with water cooling pond, hydraulic dynamometer circulating cooling water subsystem and equipment circulating cooling water subsystem respectively, described water cooling pond is connected formation the first cooling water circulation loop with hydraulic dynamometer circulating cooling water subsystem, and described water cooling pond is connected formation the second cooling water circulation loop with equipment circulating cooling water subsystem.
Further, hydraulic dynamometer circulating cooling water subsystem includes the constant pressure water supply device being sequentially connected with, hydraulic dynamometer group in parallel, hot-tub, heat-exchanger pump group in parallel and the cooling tower group of parallel connection.
Further, constant pressure water supply device includes frequency conversion speed adjusting pump unit, Pressure gauge, the first pressure transmitter and the frequency-conversion control cabinet that at least 2 groups are in parallel, described frequency conversion speed adjusting pump unit, Pressure gauge and the first pressure transmitter are sequentially connected with, and described frequency-conversion control cabinet is connected with frequency conversion speed adjusting pump unit, Pressure gauge and the first pressure transmitter respectively.
Further, frequency conversion speed adjusting pump unit includes frequency conversion speed adjusting pump and the regulation valve being sequentially connected with, and frequency-conversion control cabinet is connected with frequency conversion speed adjusting pump.
Further, equipment circulating cooling water subsystem includes the water supply pump group of parallel connection, the second pressure transmitter, watering equipment group in parallel and the 3rd cooling tower, and described water supply pump group, the second pressure transmitter, watering equipment group and the 3rd cooling tower are sequentially connected with.
Further, water inlet end and water side the first water treatment facilities in parallel at constant pressure water supply device, the water inlet end of the first water treatment facilities is connected with the water side of constant pressure water supply device, and the water side of the first water treatment facilities is connected with the water inlet end of constant pressure water supply device.
Further, public water inlet end and public water side the second water treatment facilities in parallel in described water supply pump group, the water inlet end of the second water treatment facilities is connected with the public water side of water supply pump group, and the water side of the second water treatment facilities is connected with the public water inlet end of water supply pump group.
Further, described control system includes host computer, center switch board, heat-exchanger pump switch board, cooling tower switch board and water supply pump switch board, host computer is connected by network with center switch board, and center switch board is connected with heat-exchanger pump switch board, cooling tower switch board and water supply pump switch board respectively.
Further, being provided with temperature sensor and liquid level sensor in described water cooling pond, described temperature sensor and liquid level sensor send signal to center switch board respectively.
Further, being provided with temperature sensor and liquid level sensor in described hot-tub, described temperature sensor and liquid level sensor send signal to center switch board respectively.
The beneficial effects of the utility model: a kind of recirculating cooling water system for gas turbine test bay of the present utility model, including control system, water cooling pond, hydraulic dynamometer circulating cooling water subsystem and equipment circulating cooling water subsystem, control system is connected with water cooling pond, hydraulic dynamometer circulating cooling water subsystem and equipment circulating cooling water subsystem respectively, water cooling pond is connected formation the first cooling water circulation loop with hydraulic dynamometer circulating cooling water subsystem, and water cooling pond is connected formation the second cooling water circulation loop with equipment circulating cooling water subsystem.Respectively the cooling water cooling down water and watering equipment through hydraulic dynamometer is carried out hydraulic pressure, temperature and Liquid level by hydraulic dynamometer circulating cooling water subsystem and equipment circulating cooling water subsystem, ensure that pressure of supply water is constant, pond liquid level is stable, ensure cooling water temperature in the reasonable scope, thus ensure the stable operation of gas turbine test bay.This recirculating cooling water system is rational in infrastructure, reliable, easy to operate, can meet the testing stand demand to difference cooling water, make the parameter of recirculated cooling water reach target setting, be easy to again centralized management and operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with detailed description of the invention, this utility model is expanded on further.
Refer to Fig. 1, a kind of technical scheme of this utility model offer:
Recirculating cooling water system for gas turbine test bay of the present utility model, including control system 1, water cooling pond 2, hydraulic dynamometer circulating cooling water subsystem 3 and equipment circulating cooling water subsystem 4, described control system 1 is connected with water cooling pond 2, hydraulic dynamometer circulating cooling water subsystem 3 and equipment circulating cooling water subsystem 4 respectively, described water cooling pond 2 is connected formation the first cooling water circulation loop with hydraulic dynamometer circulating cooling water subsystem 3, and described water cooling pond 3 is connected formation the second cooling water circulation loop with equipment circulating cooling water subsystem 4.
Hydraulic dynamometer circulating cooling water subsystem 3 includes the constant pressure water supply device 31 being sequentially connected with, hydraulic dynamometer group 32 in parallel, hot-tub 33, heat-exchanger pump group 34 in parallel and the cooling tower group 35 of parallel connection.nullThe water side of water cooling pond 2 is connected with the water inlet end of constant pressure water supply device 31，The water side of constant pressure water supply device 31 is connected with the public water inlet end of hydraulic dynamometer group 32，Hydraulic dynamometer group 32 uses 3 hydraulic dynamometers in parallel to constitute in the present embodiment，The water inlet end of every hydraulic dynamometer all connects the first regulation valve，The water inlet end of the first regulation valve is connected with the water side of constant pressure water supply device，The public water side of hydraulic dynamometer group 32 is connected with the water inlet end of hot-tub 33，The water side of hot-tub 33 is connected with the public water inlet end of heat-exchanger pump group 34，Heat-exchanger pump group 34 uses 2 heat-exchanger pumps in parallel in the present embodiment，The water inlet end of heat-exchanger pump and water side are connected to the second regulation valve and the 3rd regulation valve，The water side of hot-tub is connected with the water inlet end of the second regulation valve，The water side of heat-exchanger pump is connected with the 3rd regulation valve，It is routine techniques that heat-exchanger pump connects regulation valve.The water side of the 3rd regulation valve connects the water inlet end of the 4th regulation valve, 4th regulation valve is used for regulating cooling tower inflow, the water side of the 4th regulation valve is connected with the public water inlet end of cooling tower group respectively, cooling tower group uses 2 cooling tower parallel connections in the present embodiment, first cooling tower 351 is in parallel with the second cooling tower 352, connect the water inlet end of the 5th regulation valve in the public water side of cooling tower, the water side of the 5th regulation valve is connected with water cooling pond 2.Above-mentioned loop constitutes the closed loop cycle of hydraulic dynamometer recirculated cooling water, constant pressure water supply device 31 includes frequency conversion speed adjusting pump unit 311, Pressure gauge the 312, first pressure transmitter 313 and the frequency-conversion control cabinet 314 that at least 2 groups are in parallel, described frequency conversion speed adjusting pump unit 311, Pressure gauge the 312, first pressure transmitter 313 are sequentially connected with, and described frequency-conversion control cabinet 314 is connected with frequency conversion speed adjusting pump unit 311, Pressure gauge 312 and the first pressure transmitter 313 respectively.In the present embodiment, frequency conversion speed adjusting pump unit uses 2 groups, often group frequency conversion speed adjusting pump unit includes frequency conversion speed adjusting pump and the 6th regulation valve being sequentially connected with, the water inlet end of frequency conversion speed adjusting pump is connected with the water side of water cooling pond, the water side of frequency conversion speed adjusting pump is connected with the water inlet end of the 6th regulation valve, the water side of the 6th regulation valve is connected with one end of Pressure gauge 312, the other end of Pressure gauge 312 and one end of the first pressure transmitter 313 connect, and the other end of the first pressure transmitter 313 is connected with the public water inlet end of hydraulic dynamometer group.Frequency conversion speed adjusting pump, Pressure gauge and the first pressure transmitter are connected with frequency-conversion control cabinet respectively.
Arranging constant pressure water supply device in hydraulic dynamometer circulating cooling water subsystem, by the pressure of frequency-conversion control cabinet regulation cooling water, the pressure making cooling water is constant, ensures the normal even running of hydraulic dynamometer.Frequency-conversion control cabinet controls frequency conversion speed adjusting pump and runs, and controls process simple, it is easy to operation, extends the service life of frequency conversion speed adjusting pump, saves energy, energy-conserving and environment-protective.
Equipment circulating cooling water subsystem 4 includes water supply pump group 41, second pressure transmitter 42 of parallel connection, watering equipment group 43 in parallel and the 3rd cooling tower 44, and described water supply pump group the 41, second pressure transmitter 42, watering equipment group 43 and the 3rd cooling tower 44 are sequentially connected with.In the present embodiment, water supply pump group is made up of 3 groups of centrifugal water pump parallel connections, the water inlet end connection often organizing centrifugal water pump has the 7th regulation valve, the water side of centrifugal water pump connects the 8th regulation valve, the water side of the 8th regulation valve is connected with the water inlet end of the second pressure transmitter, the water side of the second pressure transmitter is connected with the public water inlet end of watering equipment group, the present embodiment use 4 watering equipments in parallel constitute watering equipment group, the water inlet end of each watering equipment is connected to the 9th regulation valve, the public water side of watering equipment group connects the water inlet end of the tenth regulation valve respectively, the water side of the tenth regulation valve is connected with the water inlet end of the 3rd cooling tower, the water side of the 3rd cooling tower is connected with the water inlet end of the 11st regulation valve, the water side of the 11st regulation valve is connected with water cooling pond.Above-mentioned loop constitutes the closed loop cycle of watering equipment circulating cooling water subsystem.
In order to ensure to cool down the water quality of water, it is arranged in parallel the first water treatment facilities 5 in water inlet end and the water side of frequency conversion and unvarying pressure control device 31, the water inlet end of the first water treatment facilities 5 is connected with the water side of constant pressure water supply device 31, and the water side of the first water treatment facilities 5 is connected with the water inlet end of constant pressure water supply device 31.At public water inlet end and public water side second water treatment facilities 6 in parallel of water supply pump group 41, the water inlet end of the second water treatment facilities 6 is connected with the public water side of water supply pump group 41, and the water side of the second water treatment facilities 6 is connected with the public water inlet end of water supply pump group 41.First water treatment facilities and the second water treatment facilities all use low pressure pulse principle of electric field, change according to water quality adjusts output signal automatically, and the hydrone concentration class after water treatment facilities processes reduces, and structure changes, thus enhance the solubility for scale of hydrone, reach scale removal purpose.Through the water that water treatment facilities processed, dissolved oxygen is activated, under the electrolysis of electrode, water produces substantial amounts of OH-, O2-, H2, O2 and a large amount of reactive oxygen species, these materials have strong oxidizing property, can thoroughly kill microorganism and various algae in water, thus reach excellent degerming algae removal function, prevent the formation of dirt, ensure the water cleaning of cooling water, reduce dirt, the infringement to equipment of the bacterium algae in water, reduce operation expense.
Control system 1 includes host computer 11, center switch board 12, heat-exchanger pump switch board 13, cooling tower switch board 14 and water supply pump switch board 15, host computer 11 is connected by network with center switch board 12, and center switch board 12 is connected with heat-exchanger pump switch board 13, cooling tower switch board 14 and water supply pump switch board 15 respectively.Water cooling pond and hot-tub are respectively provided with temperature sensor and liquid level sensor, for detecting temperature and the water level height of water in water cooling pond/hot-tub, and the temperature signal collected and liquid level signal are respectively transmitted to center switch board.Center switch board 12, heat-exchanger pump switch board 13, cooling tower switch board 14 and water supply pump switch board 15 are both provided with emergency shutdown and manual change-over switch, it is achieved the on-the-spot switching with remotely control.Host computer can send control signal by Internet on middle heart switch board, it is achieved remotely controls.
The work process of the first cooling water circulation loop: cashier's office in a shop set hydraulic pressure force value in VFC, Pressure gauge and the hydraulic pressure of the current pipeline of the first pressure transmitter measurement, by observed pressure with setting pressure ratio relatively, controller in frequency-conversion control cabinet controls frequency conversion speed adjusting pump according to comparative result, and how this operates, the pressure making frequency conversion speed adjusting pump is held constant at setting value, make the stable water pressure of the first cooling water circulation loop, hydraulic dynamometer group 32 hot water out flows in hot-tub, water temperature is monitored by the temperature sensor in hot-tub, and the temperature signal of collection is transferred to center switch board, height according to temperature sets high temperature and two threshold values of superhigh temperature, concrete threshold value sets different values according to practical situation.Water level is monitored by the liquid level sensor in hot-tub, and liquid level signal is sent to center switch board, is divided into 3 threshold values, low water level, high water level and surcharge water level according to water level height, and its water level value each represented is determined by practical situation.Center switch board can send control signal to cooling tower and heat-exchanger pump after receiving temperature signal and water level signal conversion, center switch board sends control signals to cooling tower switch board and heat-exchanger pump switch board, cooling tower switch board controls the first cooling tower and the start and stop of the second cooling tower according to temperature signal, and heat-exchanger pump switch board controls the start and stop of heat-exchanger pump according to water level signal.Two heat-exchanger pumps, the using and the reserved, two heat-exchanger pumps are the most standby, and heat-exchanger pump switch board controls the start and stop of heat-exchanger pump, termination of pumping during low water level according to receiving heat-exchanger pump control signal, starts one of them heat-exchanger pump during high water level, start two heat-exchanger pumps during surcharge water level.When any one heat-exchanger pump starts, the temperature signal collected is sent to control centre's cabinet by the temperature sensor in hot-tub, and cooling tower control signal is sent to cooling tower switch board further according to temperature signal by control centre's cabinet；When the water temperature of hot-tub is more than high temperature values, cooling tower switch board controls the first cooling tower or the work of the second cooling tower；When the water temperature of hot-tub is more than superhigh temperature, cooling tower switch board starts the first cooling tower and the second cooling tower simultaneously, uses return difference to control cooling tower and is automatically stopped, is flowed into water cooling pond after the water cooling of cooling tower.Can ensure that hot water or cold water's pit level height, in set point, does not haves hot-tub spilling water, and the situation of water cooling pond hydropenia by above-mentioned control process.Hot-tub also has another one effect, and the big flow backwater through hydraulic dynamometer can be stored by it, quick moisturizing when water cooling pond liquid level is too low, it is ensured that the water yield of water cooling pond is sufficient.
The work process of the second cooling water circulation loop: three water supply pumps are one standby with two, three water supply pumps are the most standby, when water supply pump runs, second pressure transmitter is sent to center switch board after the line pressure signal collected being converted, center switch board transmits control signals to water supply pump switch board, water supply pump switch board controls the start and stop of water supply pump, it is ensured that the hydraulic pressure of pipeline reaches requirement.When having arbitrary water supply pump to start, the pond temperature signal collected is sent to center switch board after conversion by the temperature sensor in water cooling pond, center switch board transmits control signals in cooling tower switch board, cooling tower switch board controls the start and stop of the 3rd cooling tower, when water cooling pond water temperature is higher than setting value, cooling tower switch board controls the 3rd cooling tower startup optimization, uses return difference to control cooling tower and is automatically stopped, thus ensures that cooling water temperature reaches requirement.
For the recirculating cooling water system of gas turbine test bay, structural integrity, reliable, easy to operate, the demand to different parameters cooling water can be met, make the parameter of recirculated cooling water reach target setting, be easy to again centralized management and operation.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described, to those skilled in the art, obviously this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (10)
1. the recirculating cooling water system for gas turbine test bay, it is characterized in that: include control system, water cooling pond, hydraulic dynamometer circulating cooling water subsystem and equipment circulating cooling water subsystem, described control system is connected with water cooling pond, hydraulic dynamometer circulating cooling water subsystem and equipment circulating cooling water subsystem respectively, described water cooling pond is connected formation the first cooling water circulation loop with hydraulic dynamometer circulating cooling water subsystem, and described water cooling pond is connected formation the second cooling water circulation loop with equipment circulating cooling water subsystem.
2. recirculating cooling water system as claimed in claim 1, it is characterised in that: described hydraulic dynamometer circulating cooling water subsystem includes the constant pressure water supply device being sequentially connected with, hydraulic dynamometer group in parallel, hot-tub, heat-exchanger pump group in parallel and the cooling tower group of parallel connection.
3. recirculating cooling water system as claimed in claim 2, it is characterized in that: described constant pressure water supply device includes frequency conversion speed adjusting pump unit, Pressure gauge, the first pressure transmitter and the frequency-conversion control cabinet that at least 2 groups are in parallel, described frequency conversion speed adjusting pump unit, Pressure gauge and the first pressure transmitter are sequentially connected with, and described frequency-conversion control cabinet is connected with frequency conversion speed adjusting pump unit, Pressure gauge and the first pressure transmitter respectively.
4. recirculating cooling water system as claimed in claim 3, it is characterised in that: described frequency conversion speed adjusting pump unit includes frequency conversion speed adjusting pump and the regulation valve being sequentially connected with, and frequency-conversion control cabinet is connected with frequency conversion speed adjusting pump.
5. recirculating cooling water system as claimed in claim 1, it is characterized in that: described equipment circulating cooling water subsystem includes the water supply pump group of parallel connection, the second pressure transmitter, watering equipment group in parallel and the 3rd cooling tower, and described water supply pump group, the second pressure transmitter, watering equipment group and the 3rd cooling tower are sequentially connected with.
6. recirculating cooling water system as claimed in claim 2, it is characterized in that: at water inlet end and water side first water treatment facilities in parallel of constant pressure water supply device, the water inlet end of the first water treatment facilities is connected with the water side of constant pressure water supply device, and the water side of the first water treatment facilities is connected with the water inlet end of constant pressure water supply device.
7. recirculating cooling water system as claimed in claim 5, it is characterized in that: at public water inlet end and public water side second water treatment facilities in parallel of described water supply pump group, the water inlet end of the second water treatment facilities is connected with the public water side of water supply pump group, and the water side of the second water treatment facilities is connected with the public water inlet end of water supply pump group.
8. the recirculating cooling water system as described in claim 1 or 2 or 5, it is characterized in that: described control system includes host computer, center switch board, heat-exchanger pump switch board, cooling tower switch board and water supply pump switch board, host computer is connected by network with center switch board, and center switch board is connected with heat-exchanger pump switch board, cooling tower switch board and water supply pump switch board respectively.
9. recirculating cooling water system as claimed in claim 8, it is characterised in that: being provided with temperature sensor and liquid level sensor in described water cooling pond, described temperature sensor and liquid level sensor send signal to center switch board respectively.
10. recirculating cooling water system as claimed in claim 8, it is characterised in that: being provided with temperature sensor and liquid level sensor in described hot-tub, described temperature sensor and liquid level sensor send signal to center switch board respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265435.3U CN205445806U (en) | 2016-04-01 | 2016-04-01 | A recirculating cooling water system for gas turbine testbed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265435.3U CN205445806U (en) | 2016-04-01 | 2016-04-01 | A recirculating cooling water system for gas turbine testbed |
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| CN205445806U true CN205445806U (en) | 2016-08-10 |
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| CN201620265435.3U Expired - Fee Related CN205445806U (en) | 2016-04-01 | 2016-04-01 | A recirculating cooling water system for gas turbine testbed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110377077A (en) * | 2019-07-31 | 2019-10-25 | 重庆市渝琥玻璃有限公司 | Pump house automatic start-stop control system |
-
2016
- 2016-04-01 CN CN201620265435.3U patent/CN205445806U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110377077A (en) * | 2019-07-31 | 2019-10-25 | 重庆市渝琥玻璃有限公司 | Pump house automatic start-stop control system |
| CN110377077B (en) * | 2019-07-31 | 2021-02-23 | 重庆市渝琥玻璃有限公司 | Automatic pump room starting and stopping control system |
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Granted publication date: 20160810 |