CN219756333U - Linkage control system of multiple groups of steam generators - Google Patents
Linkage control system of multiple groups of steam generators Download PDFInfo
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- CN219756333U CN219756333U CN202321042388.2U CN202321042388U CN219756333U CN 219756333 U CN219756333 U CN 219756333U CN 202321042388 U CN202321042388 U CN 202321042388U CN 219756333 U CN219756333 U CN 219756333U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 174
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 230000001502 supplementing effect Effects 0.000 claims description 15
- 239000002737 fuel gas Substances 0.000 claims description 7
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 239000013589 supplement Substances 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model relates to a linkage control system of a plurality of groups of steam generators, which comprises a plurality of steam generators, a plurality of circulating pumps, a plurality of air supply assemblies and a steam-water separator, wherein each circulating pump is respectively communicated with a water inlet of each steam generator, each air supply assembly is respectively communicated with an air inlet of each steam generator, a steam outlet of each steam generator is respectively communicated with a steam inlet end of the steam-water separator through a steam outlet pipe, and a steam outlet end of the steam-water separator is used for being communicated with a load through a pipeline; still include the controller, be provided with first detection spare in the pipeline, first detection spare the circulating pump gas supply subassembly, steam generator all with the controller electricity is connected. The utility model has the following effects: the production cost of users with little steam consumption and discontinuous steam consumption can be reduced.
Description
Technical Field
The utility model relates to the field of steam generators, in particular to a linkage control system of a plurality of groups of steam generators.
Background
At present, a coal-fired boiler is a boiler with fuel coal, and is a thermal energy power device for heating heat medium water or other organic heat carriers (such as heat conducting oil and the like) to a certain temperature (or pressure) by burning the fuel coal in a hearth to release heat. The water in the boiler generates steam or becomes hot water.
The status and importance of industrial coal-fired boilers in national economy and social development are known to the best. But simultaneously, the energy consumption of the whole industry is large, the discharge amount of smoke dust, sulfur dioxide, carbon dioxide and oxide occupies the current situation of high corresponding discharge amount proportion nationwide, and the energy saving and environment protection indexes of the existing industrial coal-fired boiler industry are greatly different from the targets of building the resource saving type and environment friendly society.
The gas-steam generator is one type of steam generator, into which water and gas are fed, and which generates steam to be supplied to a load. The steam generator is widely applied to places needing steam, such as clothing factories, dry-cleaning shops, restaurants, factories and mines.
For users with small steam consumption and discontinuous steam consumption, the operation cost of the coal-fired boiler is high.
Disclosure of Invention
In order to reduce the production cost of users with small steam consumption and discontinuous steam consumption, the utility model provides a linkage control system of a plurality of groups of steam generators.
The utility model provides a linkage control system of a plurality of groups of steam generators, which adopts the following technical scheme:
the linkage control system of the multiple groups of steam generators comprises multiple steam generators, multiple circulating pumps, multiple air supply assemblies and a steam-water separator, wherein each circulating pump is respectively communicated with a water inlet of each steam generator, each air supply assembly is respectively communicated with an air inlet of each steam generator, a steam outlet of each steam generator is respectively communicated with a steam inlet end of the steam-water separator through a steam outlet pipe, and a steam outlet end of the steam-water separator is used for being communicated with a load through a pipeline;
still include the controller, be provided with first detection spare in the pipeline, first detection spare the circulating pump the air feed subassembly the steam generator all with the controller electricity is connected, first detection spare is used for detecting steam pressure and output pressure value, the controller is used for receiving pressure value and control the circulating pump the air feed subassembly with steam generator's opening quantity.
Through adopting above-mentioned technical scheme, when the steam quantity changes, steam pressure in the pipeline changes thereupon, the load increases, steam pressure falls, the load reduces, steam pressure rises, first detection spare detectable pipeline internal steam pressure value, the controller can be according to steam pressure value control circulating pump, air feed subassembly and steam generator's the quantity of opening, when the steam quantity increases, increase circulating pump, air feed subassembly and steam generator's the quantity of opening, when the steam quantity reduces, reduce circulating pump, air feed subassembly and steam generator's the quantity of opening, with this can reduce the steam quantity not big, the discontinuous user's of using steam manufacturing cost.
Preferably, the water storage device further comprises a water supplementing pump, the steam-water separator is provided with a water storage cavity, one end of the water supplementing pump is communicated with a water source, the other end of the water supplementing pump is communicated with the water storage cavity, and one end of each circulating pump is communicated with the water storage cavity.
Through adopting above-mentioned technical scheme, the steam that each steam generator produced all carries to steam-water separator, and steam-water separator reducible steam in moisture and carry to the load, and the moisture in the steam carries to the water storage intracavity, simultaneously, the moisturizing pump can be toward the water storage intracavity moisturizing, and the circulating pump can carry the water in the water storage intracavity to steam generator.
Preferably, a second detecting part is arranged in the water storage cavity and is electrically connected with the controller, the second detecting part is used for detecting the water level in the water storage cavity and outputting a water level value, and the controller is used for receiving the water level value and controlling the water supply amount of the water supplementing pump to the water storage cavity.
By adopting the technical scheme, the second detection part can detect the water level in the water storage cavity, and the controller controls the water supplementing pump to supplement water to the water storage cavity according to the water level value in the water storage cavity, so that the water level in the water storage cavity can be maintained, and further, the circulating pump can be ensured to supply water to the steam generators when the steam generators with different numbers are started.
Preferably, the water replenishing pump is communicated with the water storage cavity through a first pipe, a second pipe and a third pipe, two ends of the first pipe, the second pipe and the third pipe are respectively communicated with the water replenishing pump and the water storage cavity, the first pipe is provided with a first valve, the second pipe is provided with a second valve, the third pipe is provided with a third valve, the first valve, the second valve and the third valve are all electrically connected with the controller, the controller is used for receiving a water level value and comparing with a preset interval, when the water level value is higher than the maximum value of the preset interval, the controller opens the first valve, when the water level value is in the preset interval, the controller opens the first valve, the second valve and the third valve, and when the water level value is lower than the minimum value of the preset interval.
By adopting the technical scheme, the controller can control the opening and closing of the first valve, the second valve and the third valve according to different water level values in the water storage cavity, so as to control the water supply amount of the water supplementing pump to the water storage cavity, when the water level in the water storage cavity is low, the first valve, the second valve and the third valve are fully opened, when the water level in the water storage cavity is in a preset interval, the first valve and the second valve are opened, and when the water level in the water storage cavity is in a high water level, only the first valve is opened, so that the controller can be suitable for opening the water amount required by different steam generators.
Preferably, the air supply assembly comprises a blower and an electromagnetic valve, the electromagnetic valve is arranged at the air inlet end of the blower, one end of the blower is communicated with a fuel gas source, the other end of the blower is communicated with the air inlet of the steam generator, the electromagnetic valve is electrically connected with the controller, and the controller is used for receiving the pressure value and controlling the opening quantity of the electromagnetic valve.
Through adopting above-mentioned technical scheme, in the air-blower can carry the gas to steam generator, the switch of solenoid valve can control whether the air-blower carries the gas to steam generator, and the controller can be according to the opening quantity of steam pressure value control solenoid valve, and when the steam quantity increased, the opening quantity of increase solenoid valve reduces the opening quantity of solenoid valve when the steam quantity reduced to this can be according to the required gas volume of steam demand adjustment, can practice thrift the cost.
Preferably, the water inlet of the steam generator is provided with a third detection part, the third detection part is electrically connected with the controller, the third detection part is used for detecting water flow of the water inlet of the steam generator and outputting a first flow value, the controller is used for receiving the first flow value and comparing the first flow value with a first preset value, and when the first flow value is smaller than the first preset value, the controller shuts down the steam generator.
By adopting the technical scheme, the third detection part can detect the water flow of the water inlet of the steam generator, and when the first flow value is smaller than a first preset value, the controller stops the steam generator, so that the phenomenon that the quality of generated steam is lower due to too little water inlet of the steam generator can be avoided as much as possible.
Preferably, the water supply end of the circulating pump is provided with a fourth detection part, the fourth detection part is electrically connected with the controller, the fourth detection part is used for detecting water flow of the water supply end of the circulating pump and outputting a second flow value, the controller is used for receiving the second flow value and comparing with a second preset value, and when the second flow value is smaller than the second preset value, the controller closes the circulating pump and the steam generator communicated with the circulating pump.
By adopting the technical scheme, the fourth detecting piece can detect the flow of the water supplied by the circulating pump, the controller can compare with the second preset value according to the second flow value, when the second flow value is smaller than the second preset value, the controller turns off the circulating pump and the corresponding steam generator, and when the water supply of the circulating pump is smaller, the controller turns off the steam generator, so that the phenomenon that the quality of generated steam is lower due to the fact that the water inlet of the steam generator is too small can be avoided as much as possible.
Preferably, a filter screen is arranged in the water storage cavity, the filter screen is positioned at the bottom of the water storage cavity, the circulating pump is communicated with one side of the filter screen, and the water supplementing pump is communicated with the other side of the filter screen.
Through adopting above-mentioned technical scheme, the filter screen can be to the water filtration of moisturizing pump input water storage intracavity, reducible circulating pump carries the impurity in the water to this reducible steam generator's impurity.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the first detection part can detect the steam pressure value in the pipeline, the controller can control the opening quantity of the circulating pump, the air supply assembly and the steam generator according to the steam pressure value, when the steam consumption is increased, the opening quantity of the circulating pump, the air supply assembly and the steam generator is increased, and when the steam consumption is reduced, the opening quantity of the circulating pump, the air supply assembly and the steam generator is reduced, so that the production cost of users with small steam consumption and discontinuous steam consumption can be reduced;
2. the second detection part can detect the water level in the water storage cavity, and the controller controls the water supplementing pump to supplement water to the water storage cavity according to the water level value in the water storage cavity, so that the water level in the water storage cavity can be maintained, and the circulating pump can be ensured to supply water to the steam generators when the steam generators with different numbers are started;
3. the air blower can convey fuel gas into the steam generator, the switch of the electromagnetic valve can control the air blower to convey fuel gas to the steam generator, the controller can control the opening quantity of the electromagnetic valve according to the steam pressure value, when the steam consumption is increased, the opening quantity of the electromagnetic valve is increased, and when the steam consumption is reduced, the opening quantity of the electromagnetic valve is reduced, so that the required fuel gas quantity can be adjusted according to the steam demand, and the cost can be saved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a coordinated control system of a plurality of steam generators according to an embodiment of the present utility model.
Fig. 2 is a schematic block diagram of a coordinated control system of multiple steam generators according to an embodiment of the present utility model.
Reference numerals illustrate:
100. a steam generator; 101. a steam outlet pipe; 102. a third detecting member;
200. a circulation pump; 201. a fourth detecting member;
300. a gas supply assembly; 301. a blower; 302. an electromagnetic valve;
400. a steam-water separator; 401. a pipe; 402. a first detecting member; 403. a water storage chamber; 404. a second detecting member; 405. a filter screen;
500. a water supplementing pump; 501. a first tube; 502. a second tube; 503. a third tube; 504. a first valve; 505. a second valve; 506. and a third valve.
Detailed Description
The present utility model will be described in further detail below with reference to the accompanying drawings.
The embodiment of the utility model discloses a linkage control system of a plurality of groups of steam generators. Referring to fig. 1 and 2, the coordinated control system of a plurality of sets of steam generators includes a plurality of steam generators 100, a plurality of air supply assemblies 300, a plurality of circulation pumps 200, and a controller, the air supply assemblies 300, the circulation pumps 200 are all in communication with the steam generators 100, the air supply assemblies 300 are used for supplying fuel gas to the steam generators 100, the circulation pumps 200 are used for supplying water to the steam generators 100, the steam generators 100 generate steam as a load, and the controller is used for controlling the opening amounts of the air supply assemblies 300, the circulation pumps 200, and the steam generators 100.
Referring to fig. 1 and 2, in the present embodiment, there are four steam generators 100 and four air supply assemblies 300, each air supply assembly 300 includes a blower 301 and a solenoid valve 302, one end of the blower 301 is used for communicating with a fuel gas source, the other end of the blower 301 is communicated with an air inlet of the steam generator 100, and the solenoid valve 302 is disposed at the air inlet end of the blower 301 and is used for controlling whether the blower 301 supplies air to the steam generator 100. There are two circulation pumps 200, and each circulation pump 200 communicates with the water inlets of two steam generators 100.
The steam outlets of the steam generators 100 are all communicated with a steam-water separator 400 through a steam outlet pipe 101, one steam-water separator 400 is arranged, steam generated by each steam generator 100 is conveyed to the steam-water separator 400, and the steam outlet end of the steam-water separator 400 is used for being communicated with a load through a pipeline 401.
The steam-water separator 400 is provided with a water storage cavity 403, the steam-water separator 400 can reduce the moisture in the steam, the moisture is stored in the water storage cavity 403, a filter screen 405 is arranged in the bottom of the water storage cavity 403, and one ends of the two circulating pumps 200, which are far away from the steam generator 100, are communicated with the water storage cavity 403. The top of the water storage cavity 403 is communicated with a water supplementing pump 500 through a first pipe 501, a second pipe 502 and a third pipe 503. The circulation pump 200 is connected to one side of the filter 405, and the water replenishment pump 500 is connected to the other side of the filter 405.
The two ends of the first pipe 501, the second pipe 502 and the third pipe 503 are respectively communicated with the water storage cavity 403 and the water supplementing pump 500, and the water supplementing pump 500 supplements water in the water storage cavity 403 through the first pipe 501, the second pipe 502 and the third pipe 503. The first pipe 501 is provided with a first valve 504, the second pipe 502 is provided with a second valve 505, the second pipe 502 is provided with a third valve 506, and the first valve 504, the second valve 505 and the third valve 506 are all STJF electromagnetic valves.
A first detecting member 402 is disposed in the pipe 401, and the first detecting member 402, each circulation pump 200, and each electromagnetic valve 302 are electrically connected to the controller. The first sensing member 402 employs a CYYZ18C pressure transmitter and the controller employs an S7-200 PLC. The first detecting element 402 is used for detecting a steam pressure value in the pipeline 401 and outputting the pressure value, the controller is used for receiving the pressure value and comparing the pressure value with a set value, and when the pressure value is smaller than the set value, the controller controls the two circulation pumps 200, the four electromagnetic valves 302 and the four steam generators 100 to be opened, and the four steam generators 100 work to produce steam. When the pressure value is greater than the set value, the controller controls one circulating pump 200 and two corresponding electromagnetic valves 302 and two steam generators 100 to be opened, the two steam generators 100 work to produce steam, the controller is used for receiving the pressure value and comparing with the warning value, and when the pressure value reaches the warning value, the controller shuts down all circulating pumps 200, the electromagnetic valves 302 and the steam generators 100.
A second detecting member 404 is arranged in the water storage cavity 403, and the second detecting member 404 is positioned at the top of the water storage cavity 403. The second detecting part 404 adopts a CYW11 type liquid level transmitter, the second detecting part 404, the first valve 504, the second valve 505 and the third valve 506 are all electrically connected with a controller, the second detecting part 404 is used for detecting the water level in the water storage cavity 403 and outputting a water level value, the controller is used for receiving the water level value and comparing the water level value with a preset interval, when the water level value is higher than the maximum value of the preset interval, the controller opens the first valve 504, and the water supplementing pump 500 supplements water in the water storage cavity 403 through the first pipe 501; when the water level value is within the preset interval, the controller opens the first valve 504 and the second valve 505, and the water replenishing pump 500 replenishes water in the water storage cavity 403 through the first pipe 501 and the second pipe 502; when the water level value is lower than the minimum value of the preset interval, the controller opens the first valve 504, the second valve 505 and the third valve 506, and the water replenishing pump 500 replenishes water in the water storage cavity 403 through the first pipe 501, the second pipe 502 and the third pipe 503.
The water inlet of the steam generator 100 is provided with a third detecting member 102, the third detecting member 102 adopts an FTB300 type flow transmitter, the third detecting member 102 is electrically connected with a controller, the third detecting member 102 is used for detecting water flow at the water inlet of the steam generator 100 and outputting a first flow value, the controller is used for receiving the first flow value and comparing the first flow value with a first preset value, and when the first flow value is smaller than the first preset value, the controller shuts down the steam generator 100. The water supply end of the circulation pump 200 is provided with a fourth detection part 201, the fourth detection part 201 adopts an FTB300 type flow transmitter, the fourth detection part 201 is electrically connected with the controller, the fourth detection part 201 is used for detecting water flow at the water supply end of the circulation pump 200 and outputting a second flow value, the controller is used for receiving the second flow value and comparing with a second preset value, and when the second flow value is smaller than the second preset value, the controller shuts down the steam generator 100.
The implementation principle of the linkage control system of the multi-group steam generator in the embodiment of the utility model is as follows: for users with small steam consumption and discontinuous steam consumption, the steam demand is easy to change, the steam pressure in the pipeline 401 is changed along with the steam demand, the first detecting member 402 can detect the steam pressure value in the pipeline 401, the controller can control the opening quantity of the circulating pump 200, the electromagnetic valve 302 and the steam generator 100 according to the pressure value, and for different steam demands, different quantities of steam generators 100 can be operated, so that the production cost of users with small steam consumption and discontinuous steam consumption can be reduced.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A linkage control system of a plurality of groups of steam generators is characterized in that: the system comprises a plurality of steam generators (100), a plurality of circulating pumps (200), a plurality of air supply assemblies (300) and a steam-water separator (400), wherein each circulating pump (200) is respectively communicated with a water inlet of each steam generator (100), each air supply assembly (300) is respectively communicated with an air inlet of each steam generator (100), a steam outlet of each steam generator (100) is communicated with a steam inlet end of the steam-water separator (400) through a steam outlet pipe (101), and a steam outlet end of the steam-water separator (400) is used for being communicated with a load through a pipeline (401);
still include the controller, be provided with in pipeline (401) first detection spare (402), first detection spare (402) circulating pump (200) air feed subassembly (300) steam generator (100) all with the controller electricity is connected, first detection spare (402) are used for detecting steam pressure and output pressure value, the controller is used for receiving pressure value and control circulating pump (200) air feed subassembly (300) with the quantity of opening of steam generator (100).
2. The coordinated control system of a plurality of steam generators of claim 1, wherein: still include moisturizing pump (500), catch water (400) are equipped with water storage chamber (403), moisturizing pump (500) one end is used for with water source intercommunication, moisturizing pump (500) other end with water storage chamber (403) intercommunication, each circulating pump (200) one end all with water storage chamber (403) intercommunication.
3. The coordinated control system of a plurality of steam generators of claim 2, wherein: the water storage cavity (403) is internally provided with a second detection part (404), the second detection part (404) is electrically connected with the controller, the second detection part (404) is used for detecting the water level in the water storage cavity (403) and outputting a water level value, and the controller is used for receiving the water level value and controlling the water supply amount of the water supplementing pump (500) to the water storage cavity (403).
4. A coordinated control system of a plurality of steam generators according to claim 3, wherein: the water replenishing pump (500) is communicated with the water storage cavity (403) through a first pipe (501), a second pipe (502) and a third pipe (503), the first pipe (501), the second pipe (502) and the two ends of the third pipe (503) are respectively communicated with the water replenishing pump (500) and the water storage cavity (403), the first pipe (501) is provided with a first valve (504), the second pipe (502) is provided with a second valve (505), the third pipe (503) is provided with a third valve (506), the first valve (504), the second valve (505) and the third valve (506) are electrically connected with the controller, the controller is used for receiving a water level value and comparing with a preset interval, when the water level value is higher than the maximum value of the preset interval, the controller opens the first valve (504), when the water level value is located in the preset interval, the controller opens the first valve (504) and the second valve (505), when the water level value is lower than the minimum value, the controller opens the first valve (506) and the third valve (506).
5. The coordinated control system of a plurality of steam generators of claim 1, wherein: the air supply assembly (300) comprises an air blower (301) and an electromagnetic valve (302), the electromagnetic valve (302) is arranged at the air inlet end of the air blower (301), one end of the air blower (301) is used for being communicated with a fuel gas source, the other end of the air blower (301) is communicated with an air inlet of the steam generator (100), the electromagnetic valve (302) is electrically connected with a controller, and the controller is used for receiving a pressure value and controlling the opening quantity of the electromagnetic valve (302).
6. The coordinated control system of a plurality of steam generators of claim 1, wherein: the water inlet of the steam generator (100) is provided with a third detection part (102), the third detection part (102) is electrically connected with the controller, the third detection part (102) is used for detecting water flow of the water inlet of the steam generator (100) and outputting a first flow value, the controller is used for receiving the first flow value and comparing the first flow value with a first preset value, and when the first flow value is smaller than the first preset value, the controller shuts down the steam generator (100).
7. The coordinated control system of a plurality of steam generators of claim 1, wherein: the water supply end of the circulating pump (200) is provided with a fourth detection piece (201), the fourth detection piece (201) is electrically connected with the controller, the fourth detection piece (201) is used for detecting water flow of the water supply end of the circulating pump (200) and outputting a second flow value, the controller is used for receiving the second flow value and comparing with a second preset value, and when the second flow value is smaller than the second preset value, the controller closes the circulating pump (200) and the steam generator (100) communicated with the circulating pump.
8. The coordinated control system of a plurality of steam generators of claim 2, wherein: the water storage cavity (403) is internally provided with a filter screen (405), the filter screen (405) is positioned at the bottom of the water storage cavity (403), the circulating pump (200) is communicated with one side of the filter screen (405), and the water supplementing pump (500) is communicated with the other side of the filter screen (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321042388.2U CN219756333U (en) | 2023-04-27 | 2023-04-27 | Linkage control system of multiple groups of steam generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321042388.2U CN219756333U (en) | 2023-04-27 | 2023-04-27 | Linkage control system of multiple groups of steam generators |
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| Publication Number | Publication Date |
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| CN219756333U true CN219756333U (en) | 2023-09-26 |
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| CN202321042388.2U Active CN219756333U (en) | 2023-04-27 | 2023-04-27 | Linkage control system of multiple groups of steam generators |
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| Country | Link |
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| CN (1) | CN219756333U (en) |
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2023
- 2023-04-27 CN CN202321042388.2U patent/CN219756333U/en active Active
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