CN116007277A - Adjusting device based on cogeneration system - Google Patents
Adjusting device based on cogeneration system Download PDFInfo
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- CN116007277A CN116007277A CN202310295459.8A CN202310295459A CN116007277A CN 116007277 A CN116007277 A CN 116007277A CN 202310295459 A CN202310295459 A CN 202310295459A CN 116007277 A CN116007277 A CN 116007277A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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Abstract
The invention relates to the technical field of cogeneration, in particular to an adjusting device based on a cogeneration system, which comprises a cooling loop, wherein a surge tank is communicated with the cooling loop, a piston is slidably arranged in the surge tank, the surge tank is divided into two isolated cavities by the piston, the inner wall of the surge tank far away from the cooling loop is connected with the piston through a compression spring, a fixed rod is fixedly arranged on the piston, a first filter assembly or a second filter assembly is arranged on the fixed rod, the pressure in the cooling loop is increased, so that the cooling liquid pushes the piston to increase the stress area, the pressure is adjusted, and impurities in the cooling liquid can be filtered by the first filter assembly and the second filter assembly arranged on the piston.
Description
Technical Field
The invention relates to the technical field of cogeneration, in particular to an adjusting device based on a cogeneration system.
Background
The cogeneration device is an energy supply device which takes fuel gas as energy and can simultaneously meet the requirements of cold (heat) and electricity in regional buildings, a combined heat and power supply gas generator set for supplying cold, heat and power is arranged in a box body of the cogeneration device, and the combined heat and power supply gas generator set usually consists of a generator set, a lithium bromide absorption type cold (heat) water unit and heat exchange equipment.
The heat medium in the prior art flows in the cooling loop, then enters the power generation device to absorb heat generated by the power generation device and then enters the heat exchanger to dissipate the heat, and then the heat medium returns to the cooling loop to cool the power generation device, but the loop formed by the cooling loop, the power generation device and the heat exchanger is a closed loop, the volume of the heat medium changes after being heated, part of the heat medium is evaporated, the pressure in the loop between the cooling loop, the power generation device and the heat exchanger is increased after the temperature rises, the power generation device and the heat exchanger are easily damaged when working at a high pressure state for a long time, and the service life of equipment is reduced; some impurities often exist in the cooling liquid of the cooling circuit and are introduced into the cooling circuit, so that dirt can be generated, the volume of the cooling circuit after dirt is adhered is increased due to the circulation flushing of the liquid in the cooling circuit, the pipeline is blocked and the flow resistance is increased for a long time, the service life of a cooling circuit system is damaged, the cooling performance of the cooling circuit system is reduced, and the maintenance cost is increased.
Disclosure of Invention
The invention aims to provide an adjusting device based on a cogeneration system, which is used for solving the problems.
The invention is realized by the following technical scheme:
adjusting device based on cogeneration system, including cooling circuit, the intercommunication has the surge tank on cooling circuit, and slides in the surge tank and be provided with the piston, and the piston cuts apart the surge tank into two isolated cavitys mutually, connects the piston through compression spring on the inner wall that the surge tank kept away from cooling circuit, fixedly on the piston is provided with the dead lever, and is equipped with first filter element or second filter element on the dead lever. The pressure in the cooling loop is increased, so that the cooling liquid pushes the piston to increase the stressed area, the pressure is regulated, and impurities in the cooling liquid can be filtered by the first filtering component and the second filtering component arranged on the piston.
Further, the first filtering component comprises a bearing shell arranged on the fixing rod, a plurality of drainage tubes are communicated with the outer wall of the bearing shell, a diversion shell is communicated with the drainage tubes, a through hole is formed in the diversion shell, and a filter screen is arranged on the inner wall of the through hole. Under the circulation flow of the cooling liquid, bacteria are flushed into the draft tube and intercepted by the interception plate in the draft tube, so that the bacteria are concentrated in the bearing shell or the draft tube as much as possible, and dirt is avoided being formed in the cooling loop.
Further, the second filtering component comprises an annular block which is fixedly arranged along the inner wall of the pressure stabilizing tank, a plurality of isolation rods are arranged on the annular block at intervals, the end parts of the plurality of isolation rods are connected to the supporting blocks, the annular block is enabled to present a plurality of gaps, supporting columns are connected to the supporting blocks, a bearing shell is arranged on the supporting columns, a plurality of drainage tubes are communicated with the outer wall of the bearing shell, a diversion shell is communicated with the drainage tubes, a through hole is formed in the diversion shell, and a filter screen is arranged on the through hole. When the pressure is increased, the piston moves upwards, so that the drainage tube fixed on the piston can generate up-and-down movement change, the filtering range is enlarged, and the swing caused by shaking can be reduced by arranging the drainage tube on the inner wall of the pressure stabilizing tank.
Further, the guide shell is a Y-shaped shell, and a plurality of discharging holes are formed in the inner walls of the Y-shaped shell opposite to each other. The cooling device has the advantages that the diversion of each branch is realized, the heat dissipation channels are increased, the discharging directions are different, the aggregation of the temperature in the same direction is reduced, and the temperature rising speed in the cooling liquid is slowed down.
Further, the drainage tube is in communication with the bearing shell, the drainage tube is made of flexible materials, the outer peripheral wall of the fixing rod is provided with a pulling block in a sliding mode, the pulling block is provided with moving rods with the same quantity as that of the plurality of drainage tubes, one ends of the pulling block and the moving rods are hinged, the other ends of the moving rods are hinged with the drainage tubes, at least one guide rod penetrating through a gap is arranged on the fixing rod and connected with the pulling block, and a bubble needle is arranged on the outer wall of the Y-shaped shell. Through the bubble needle that sets up on the outer wall of Y type shell, can stab the bubble that the coolant liquid produced, when impurity and the dirt that needs clearance drainage tube produced, the accessible dismantles the surge tank, and pressure after the dismantlement tends to be stable, does not exert pressure to the piston, then a plurality of drainage tubes are "petal" form this moment, and the piston is pressed to the accessible finger, is convenient for shrink a plurality of drainage tubes to take out from the screw hole, convenient to detach.
Further, a bearing frame capable of placing the drainage tube is sleeved on the drainage tube, the bearing frame comprises a first bearing frame and a second bearing frame, the first bearing frame and the second bearing frame are hinged to form a cavity, the drainage tube is arranged in the cavity, the end part of the first bearing frame is hinged to the bearing shell, the end part of the second bearing frame is connected with the Y-shaped shell, and the end part of the movable rod is hinged to the second bearing frame sleeved with the drainage tube. Can prevent the drain tube from sagging to influence the cooling liquid to enter the diversion shell communicated with the drain tube.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, through the filter screen, when the cooling liquid circularly flows, most of impurities in the cooling liquid can enter along the filter screen due to smaller impurities, the inner wall of the drainage tube is provided with the plurality of interception plates which are obliquely arranged, and in the process of entering the impurities, the impurities are easy to attach on the interception plates, so that the impurities are reduced to flow out from other filter screens, the reason of excessive impurities in a cooling circuit is reduced, and the formation of dirt in the cooling circuit is avoided;
2. according to the invention, the diversion shell is arranged as the Y-shaped shell, so that the diversion of each branch is realized, the heat dissipation channels are increased, the discharging directions are different, the aggregation of the temperature in the same direction is reduced, and the temperature rising speed in the cooling liquid is slowed down;
3. according to the invention, the first bearing frame and the second bearing frame are hinged to form the cavity, and the drainage tube is arranged in the cavity, so that the drainage tube can be borne, direct acting force on the drainage tube is avoided, and the problem that cooling liquid is influenced by the fact that the drainage tube sags downwards to enter the diversion shell communicated with the drainage tube can be prevented.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is an assembled view of a surge tank and a cooling circuit of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of a fluid enclosure according to the present invention;
fig. 4 is a schematic view of the first carrying frame and the second carrying frame of the present invention.
In the drawings, the reference numerals and corresponding part names:
1-a cooling circuit; 2-a surge tank; 3-piston; 4-compressing a spring; 5-a fixed rod; 6-a carrier shell; 7-drainage tube; 8-a diversion shell; 9-through holes; 10-filtering net; 11-an annular block; 12-isolating bars; 13-supporting blocks; 14-gap; 15-supporting columns; 16-discharging holes; 17-pulling blocks; 18-moving the rod; 19-a guide bar; 20-bubble needle; 21-a first carrying frame; 22-a second carrying frame.
Description of the embodiments
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Examples
As shown in fig. 1 to 4, the invention comprises a cooling circuit 1, a pressure regulating component is communicated with the cooling circuit 1, the pressure regulating component comprises a surge tank 2, a piston 3 is slidably arranged in the surge tank 2, the piston 3 divides the surge tank 2 into two cavities which are isolated, the inner wall of the surge tank 2 far away from the cooling circuit 1 is connected with the piston 3 through a compression spring 4, a fixed rod 5 is fixedly arranged on the piston 3, and a first filter component or a second filter component which extends into the cooling circuit 1 is arranged on the fixed rod 5.
The heat medium in the prior art flows in the cooling loop 1, then enters the power generation device to absorb heat generated by the power generation device and then enters the heat exchanger to dissipate the heat, and then the heat-dissipated heat medium returns to the cooling loop 1 to cool the power generation device, but the loop formed by the cooling loop 1, the power generation device and the heat exchanger is a closed loop, the volume of the heat medium changes after being heated, part of the heat medium is evaporated, the pressure in the loop between the cooling loop 1, the power generation device and the heat exchanger is increased after the temperature rises, and the power generation device and the heat exchanger are easy to damage when working at a high pressure state for a long time, so that the service life of equipment is reduced; some impurities often exist in the cooling liquid of the cooling circuit 1 and are introduced into the cooling circuit 1, so that dirt can be generated, the liquid in the cooling circuit 1 is circularly flushed down, the volume of the dirt is increased after the dirt is adhered, the pipeline is blocked and the flow resistance is increased for a long time, the service life of a system of the cooling circuit 1 is damaged, the cooling performance of the cooling circuit is reduced, and the maintenance cost is increased;
and prior art is when working, the heat that power generation facility sent will be absorbed by the cooling liquid in cooling circuit 1, afterwards the cooling liquid that absorbs the heat will get into in the plate heat exchanger and carry out heat exchange, make the partial heat in the cooling liquid dispel, but along with operating time's increase, the temperature of cooling liquid will increase, the pressure in cooling circuit 1 will increase this moment, cogeneration system's adjusting device increases through the pressure in cooling circuit 1, make the cooling liquid promote piston 3, the cavity volume of cooling liquid grow, make the pressure in the cooling circuit diminish, avoid the pressure in the cooling circuit too big, do not need manual regulation during the regulation, whole pressure automatically regulated, the regulation response speed is fast, and the impurity in its cooling liquid can be filtered to first filter component and the second filter component that sets up on the piston 3.
It should be noted that, the first filtering component includes that the bearing shell 6 is arranged on the fixing rod 5, the bearing shell 6 is circular, a plurality of drainage tubes 7 are communicated with each other along the peripheral wall of the bearing shell 6, the drainage tubes 7 are communicated with the guide shell 8, through holes 9 are formed in the guide shell 8, and filter screens 10 are arranged on the through holes 9. According to the invention, through the filter screen 10, when the cooling liquid circularly flows, most of impurities in the cooling liquid can enter along the filter screen 10 due to smaller impurities, the inner wall of the drainage tube 7 is provided with a plurality of interception plates which are obliquely arranged, and the impurities are easy to attach to the interception plates in the entering process, so that the impurities are reduced to flow out from other filter screens 10, the reason of excessive impurities in the cooling circuit 1 is reduced, and the formation of dirt in the cooling circuit 1 is avoided; if the quality of the cooling water in the cooling circuit 1 system is lower than a specific standard, bacteria may grow, a precipitate may be formed after a part of bacteria are propagated for a long time, and a pipeline may be blocked, and the bacteria are flushed into the draft tube 7 and intercepted by the interception plate in the draft tube 7 under the circulation of the cooling liquid, so that the bacteria are concentrated in the bearing shell 6 or the draft tube 7 as much as possible, and dirt is avoided from forming in the cooling circuit 1.
It is to be noted that, the second filtering component includes the annular block 11 that sets up along the fixed inner wall of surge tank 2, the interval is provided with a plurality of isolated pole 12 on the annular block 11, the tip of a plurality of isolated pole 12 all is connected on supporting shoe 13, make annular block 11 present a plurality of clearance 14, connect support column 15 on the supporting shoe 13, be provided with on the support column 15 and bear shell 6, it has a plurality of drainage tube 7 to communicate along the periphery wall that bears shell 6, the intercommunication has shell 8 on the drainage tube 7, through-hole 9 has been seted up on shell 8, be provided with filter screen 10 on the through-hole 9. The invention is the same as the function of arranging the filter screen 10 and the drainage tube 7, but the invention is different in that one is fixed on the piston 3 through the fixed rod 5, the other is fixed on the inner wall of the surge tank 2 through the annular block 11, the piston 3 is influenced by the too high pressure to move towards the compression spring 4, and when the pressure is increased, as shown in the direction of fig. 1, the piston 3 moves upwards, so that the drainage tube 7 fixed on the piston 3 can generate up-and-down movement change to enlarge the filtering range, and the swing caused by shaking can be lightened by arranging the drainage tube on the inner wall of the surge tank 2.
It should be noted that, the flow guiding shell 8 is a Y-shaped shell, and a plurality of discharging holes 16 are formed on the opposite inner walls of the Y-shaped shell. Through the Y type shell that sets up, make the in-process that the coolant liquid got into drainage tube 7 in, discharged from the blow-off hole 16 in a plurality of Y type shell, realized each reposition of redundant personnel, increase the heat dissipation passageway, and the exhaust direction is all different, reduces the temperature and gathers towards same direction, slows down the temperature rise rate in the coolant liquid.
It should be noted that, drainage tube 7 and bear shell 6 intercommunication, the peripheral wall slip of support column 15 is provided with and draws the piece 17, draws to be equipped with on the piece 17 and be equipped with the movable rod 18 the same with a plurality of drainage tube 7 quantity, draws piece 17 and the one end of movable rod 18 to articulate, the other end of movable rod 18 and drainage tube 7 to articulate, and be equipped with at least one guide bar 19 on the dead lever 5 and be connected with drawing the piece 17, be equipped with bubble needle 20 on the outer wall of Y type shell. When the cooling liquid is filled in the pipeline of the cooling circuit 1 at first, the phenomenon of gas accumulation in the pipeline is easy to occur, so that the fluidity of the cooling liquid is poor, the filling time of the cooling liquid is long, and the cooling liquid cannot well fill the cooling circuit 1, thereby reducing the cooling effect of the cooling liquid; according to the invention, through the bubble needle 20 arranged on the outer wall of the Y-shaped shell, bubbles generated by cooling liquid can be punctured, when the pressure in the cooling loop 1 is too high, the piston 3 drives the fixing rod 5 to move upwards through the movement of the cooling liquid pushing piston 3, the fixing rod 5 drives the pull block 17 to move upwards through the guide rod 19, preferably two guide rods 19, the two guide rods 19 are symmetrically arranged, the pull block 17 slides on the supporting column 15, the moving rod 18 hinged on the pull block 17 drives the drainage tube 7 to move, the drainage tube 7 is made of a flexible material, a connecting block is arranged on the drainage tube 7, the moving rod 18 is hinged with the connecting block, so that when the pull block 17 moves upwards in a sliding manner along the supporting column 15, eight drainage tubes 7 are driven to move upwards simultaneously, the movement change of the drainage tube 7 can enlarge the filtering range, and after the pull block 17 slides along the supporting column 15 in a diffusion mode like petals, the plurality of drainage tubes 7 shrink, threaded holes are formed in the pipelines of the cooling loop 1, the pressure stabilizing tank 2 is connected with the cooling loop 1 through threads, when impurities and dirt generated by cleaning 7 need to be removed, the pressure stabilizing tank 3 is easy to detach, and the pressure stabilizing can be applied to the plurality of the drainage tubes 3 through the threaded holes, and the pressure stabilizing tank is easy to remove the pressure stabilizing the pressure tank.
It should be noted that, the drainage tube 7 is sleeved with a bearing frame capable of placing the drainage tube 7, the bearing frame comprises a first bearing frame 21 and a second bearing frame 22, the first bearing frame 21 and the second bearing frame 22 are hinged to form a cavity, the drainage tube 7 is arranged in the cavity, the end part of the first bearing frame 21 is hinged to the bearing shell 6, the end part of the second bearing frame 22 is connected with the Y-shaped shell, and the end part of the moving rod 18 is hinged to the second bearing frame 22 sleeved with the drainage tube 7. Because the drainage tube 7 is flexible material, in the process of diffusing and shrinking, crease is easy to generate in long-term use, toughness is reduced, so that the risk of sagging of the drainage tube 7 is caused, cooling liquid is influenced to enter the diversion shell 8 communicated with the drainage tube 7, and the filtering effect is reduced.
To illustrate the flow condition of the cooling liquid, when the cooling liquid circulates in the cooling circuit 1, the cooling liquid firstly enters the guide shell 8 through the through hole 9, the guide shell 8 is Y-shaped, so that the cooling liquid is also called Y-shaped shell, 3 flow directions are respectively two flow directions of the Y-shaped shell and the flow direction of the Y-shaped shell communicated with the drainage tube 7, the two flow directions of the cooling liquid entering the Y-shaped shell flow out from the discharge hole 16 arranged on the Y-shaped shell, and after flowing into the bearing shell 6, the cooling liquid entering the drainage tube 7 is shunted again on a plurality of drainage tubes 7 communicated with the bearing shell 6, and then is discharged from the plurality of drainage tubes 7, and the bearing shell 6 can be preferably provided with 8 drainage tubes 7.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. Adjusting device based on cogeneration system, including cooling circuit (1), its characterized in that, intercommunication has surge tank (2) on cooling circuit (1), and slip is provided with piston (3) in surge tank (2), and piston (3) are cut apart surge tank (2) into mutually isolated two cavitys, keep away from on the inner wall of cooling circuit (1) through compression spring (4) connection piston (3) in surge tank (2), fixedly on piston (3) be provided with dead lever (5), and be equipped with first filtration subassembly or second filtration subassembly on dead lever (5).
2. The regulating device based on the cogeneration system according to claim 1, wherein the first filtering component comprises a bearing shell (6) arranged on the fixed rod (5), a plurality of drainage tubes (7) communicated with each other along the outer wall of the bearing shell (6), a diversion shell (8) communicated with each drainage tube (7), a through hole (9) arranged on the diversion shell (8), and a filter screen (10) arranged on the inner wall of the through hole (9).
3. The adjusting device based on cogeneration system according to claim 1, wherein the second filtering component comprises an annular block (11) fixedly arranged along the inner wall of the surge tank (2), a plurality of isolation rods (12) are arranged on the annular block (11) at intervals, the end parts of the plurality of isolation rods (12) are connected to a supporting block (13), the annular block (11) presents a plurality of gaps (14), a supporting column (15) is connected to the supporting block (13), a bearing shell (6) is arranged on the supporting column (15), a plurality of drainage tubes (7) are communicated along the outer wall of the bearing shell (6), a guide shell (8) is communicated with the drainage tubes (7), through holes (9) are formed in the guide shell (8), and a filter screen (10) is arranged on the through holes (9).
4. A cogeneration system-based conditioning apparatus according to claim 3, wherein the shell (8) is a Y-shaped shell having a plurality of discharge openings (16) formed in opposite inner walls thereof.
5. The adjusting device based on the cogeneration system according to claim 3 or 4, wherein the drainage tube (7) is communicated with the bearing shell (6), the drainage tube (7) is made of flexible materials, the outer peripheral wall of the fixed rod (5) is slidably provided with a pull block (17), the pull block (17) is provided with moving rods (18) the same as the plurality of the drainage tubes (7), the pull block (17) is hinged with one end of the moving rod (18), the other end of the moving rod (18) is hinged with the drainage tube (7), at least one guide rod (19) penetrating through the gap (14) is arranged on the fixed rod (5) and connected with the pull block (17), and a bubble needle (20) is arranged on the outer wall of the Y-shaped shell.
6. The adjusting device based on the cogeneration system according to claim 5, wherein a bearing frame capable of placing the drainage tube (7) is sleeved on the drainage tube (7), the bearing frame comprises a first bearing frame (21) and a second bearing frame (22), the first bearing frame (21) and the second bearing frame (22) are hinged to form a cavity, the drainage tube (7) is arranged in the cavity, the end part of the first bearing frame (21) is hinged to the bearing shell (6), the end part of the second bearing frame (22) is connected with the Y-shaped shell, and the end part of the movable rod (18) is hinged to the second bearing frame (22) sleeved with the drainage tube (7).
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CN202310295459.8A CN116007277B (en) | 2023-03-24 | 2023-03-24 | Adjusting device based on cogeneration system |
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CN202310295459.8A CN116007277B (en) | 2023-03-24 | 2023-03-24 | Adjusting device based on cogeneration system |
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CN116007277B CN116007277B (en) | 2023-06-09 |
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CN109445312A (en) * | 2018-11-13 | 2019-03-08 | 河南水投锦襄水务有限公司 | Public supply mains real-time pressure remote transmitting system |
CN209622183U (en) * | 2019-01-09 | 2019-11-12 | 绍兴市华锐汽车零部件有限公司 | A kind of expansion valve with diverter function |
CN210303006U (en) * | 2019-07-26 | 2020-04-14 | 淄博通普真空设备有限公司 | V method casting is with steady voltage filter equipment |
CN112032561A (en) * | 2020-08-19 | 2020-12-04 | 孙龙 | Ultramicro-pressure self-operated pressure regulating valve |
CN216366850U (en) * | 2021-11-17 | 2022-04-26 | 毛心怡 | Pressure-adjustable industrial wastewater circulating and filtering device |
CN216457440U (en) * | 2021-10-21 | 2022-05-10 | 天津云数智维技术服务有限公司 | Circulating chilled water treatment device |
CN216843665U (en) * | 2021-12-23 | 2022-06-28 | 广州高澜创新科技有限公司 | Self-operated buffer tank |
CN217340269U (en) * | 2022-04-06 | 2022-09-02 | 龙岩市九龙水泵制造有限公司 | Intelligence fire pump water supply equipment is with voltage regulator device that has filtration |
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2023
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2002250580A (en) * | 2001-02-23 | 2002-09-06 | Isuzu Motors Ltd | Cooling/washing device |
CN101984228A (en) * | 2010-10-21 | 2011-03-09 | 中国第一汽车集团公司 | Mechanical pump type SCR urea spraying system |
CN106621511A (en) * | 2016-11-07 | 2017-05-10 | 成都欧珀琅精密工具有限公司 | Device for filtering cutting fluid of grinding lathe |
CN208536098U (en) * | 2018-06-26 | 2019-02-22 | 成都安美科燃气技术股份有限公司 | Cogenerator |
CN109445312A (en) * | 2018-11-13 | 2019-03-08 | 河南水投锦襄水务有限公司 | Public supply mains real-time pressure remote transmitting system |
CN209622183U (en) * | 2019-01-09 | 2019-11-12 | 绍兴市华锐汽车零部件有限公司 | A kind of expansion valve with diverter function |
CN210303006U (en) * | 2019-07-26 | 2020-04-14 | 淄博通普真空设备有限公司 | V method casting is with steady voltage filter equipment |
CN112032561A (en) * | 2020-08-19 | 2020-12-04 | 孙龙 | Ultramicro-pressure self-operated pressure regulating valve |
CN216457440U (en) * | 2021-10-21 | 2022-05-10 | 天津云数智维技术服务有限公司 | Circulating chilled water treatment device |
CN216366850U (en) * | 2021-11-17 | 2022-04-26 | 毛心怡 | Pressure-adjustable industrial wastewater circulating and filtering device |
CN216843665U (en) * | 2021-12-23 | 2022-06-28 | 广州高澜创新科技有限公司 | Self-operated buffer tank |
CN217340269U (en) * | 2022-04-06 | 2022-09-02 | 龙岩市九龙水泵制造有限公司 | Intelligence fire pump water supply equipment is with voltage regulator device that has filtration |
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