CN112386998B - Make-up water system for thermal power plant - Google Patents
Make-up water system for thermal power plant Download PDFInfo
- Publication number
- CN112386998B CN112386998B CN202011415782.7A CN202011415782A CN112386998B CN 112386998 B CN112386998 B CN 112386998B CN 202011415782 A CN202011415782 A CN 202011415782A CN 112386998 B CN112386998 B CN 112386998B
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- Prior art keywords
- water
- water pump
- groove
- steel
- treatment station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 230000000903 blocking effect Effects 0.000 claims abstract description 35
- 239000004576 sand Substances 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 125000003003 spiro group Chemical group 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 description 18
- 239000012535 impurity Substances 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Abstract
The invention discloses a water supplementing system for a thermal power plant, which comprises an L-shaped raw water treatment station, wherein the upper end of the raw water treatment station is sequentially provided with a sand blocking plate, a steel gate, a dirt blocking plate and a filter plate from left to right, the upper end of the sand blocking plate is fixedly connected with a baffle plate, the surface of the upper end of the baffle plate is fixedly connected with a first water pump, the lower end of the first water pump is provided with a first water inlet pipe, the first water inlet pipe is positioned at the outer side of the sand blocking plate, the lower end of the first water pump is provided with a first water outlet pipe, the first water outlet pipe is positioned at one side, far away from the first water inlet pipe, of the sand blocking plate, and the upper end of the steel gate is provided with a sliding component; the invention solves the problems that the water source of the traditional thermal power plant is generally from an external water supply system, the safety and the reliability of the water supply system are high for guaranteeing the safe operation of the unit, but the flexibility of the water supply system is not considered enough, the adjustment is inconvenient and the water supply system is uneconomical.
Description
Technical Field
The invention relates to the technical field of pump station operation optimization scheduling, in particular to a makeup water system for a thermal power plant.
Background
The water source of the large-scale thermal power plant is generally from an external water supply system, so that the safety operation of a unit is guaranteed, the requirement on the safety reliability of the water supply system is high, but the flexibility of the water supply system is not considered enough, the adjustment is inconvenient and the water supply system is uneconomical, and therefore, the water supply system for the thermal power plant is provided.
Disclosure of Invention
The invention aims to provide a water supplementing system for a thermal power plant, which aims to solve the problems that the water source of the large-scale thermal power plant provided in the background art is generally from an off-plant water supplementing system, the safety operation of a unit is guaranteed, the safety and reliability requirements on the water supplementing system are high, but the flexibility of the water supplementing system is not considered enough, the adjustment is inconvenient and the water supplementing system is uneconomical.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a make-up water system for thermal power plant, includes the raw water treatment station that is L form, raw water treatment station upper end has set gradually fender sand board, steel gate, dirt board and filter from a left side to the right side, fender sand board upper end fixedly connected with baffle, baffle upper end fixedly connected with first water pump, first water pump lower extreme is provided with first inlet tube, first inlet tube is located the fender sand board outside, first water pump lower extreme is provided with first outlet pipe, first outlet pipe is located fender sand board keeps away from one side of first inlet tube, steel gate upper end is provided with sliding component, sliding component includes the steel cable that links up with steel gate upper end surface looks spiro union through first bolt cooperation connecting block, the steel cable twines at the steel ring surface, steel ring cooperation pivot sets up in the connector inside of slider lower extreme, connector upper end surface fixedly connected with the connecting rod, the pulley sliding connection that the connecting rod both sides are installed through the connecting axle is seted up in the spout of seting up in slider inside, dirt board upper end has set up the groove, the first water pump upper end is provided with first water pump upper end, the second water pump upper end is provided with a groove, the second water pump is connected with a side wall is fixed to the second side, the sensor is provided with a groove, the second water pump is connected with the side, the sensor is fixed to the side is connected with the second water pump is fixed with the side, the side is fixed to the side, the sensor is electrically connected with the alarm, a filter screen is arranged at the position of the water inlet of the second water inlet pipe, the size and the length of the first water inlet pipe are the same as those of the first water outlet pipe, the first water inlet pipe and the first water outlet pipe are symmetrically arranged at the lower end of the first water pump by taking the sand baffle plate as a central shaft, leakage-proof silica gel is arranged between the connecting part of the connecting ring and the second water pump, the size and the specification of the leakage-proof silica gel are matched with the connecting ring, the depth of the first groove is the same as that of the second groove, the width of the first groove is smaller than that of the second groove, and the starting point of the position of the sliding groove in the sliding strip is not more than the position of the sensor on the sliding strip.
Compared with the prior art, the invention has the beneficial effects that: the invention has the advantages that the first water pump is arranged at the upper end of the sand blocking plate, when the sand blocking plate is used, the first water pump pumps water into the raw water treatment station, the steel gate can regulate and control the flow of the water, the water level in the raw water treatment station is regulated and supplemented with the flow of the second water pump, the water quantity is regulated accurately, when the water flow is required to be regulated, the steel gate is regulated through the steel ring matched with the steel rope, the water flow passes through the dirt blocking plate again, the dirt blocking plate can block impurities and sludge in the water, when the dirt blocking plate is required to be regulated, the first bolt at the upper end of the connecting block can be rotated, the first bolt is not abutted with the steel gate, the connecting rod is matched with the pulley to drive the steel ring to move in the chute, and when the steel ring is moved to the upper end of the dirt blocking plate, the steel rope on the surface of the steel ring is matched with the connecting block and the first bolt to be screwed and fixed with the thread groove arranged on the surface of the dirt blocking plate, so that the dirt blocking plate can be regulated, the water passes through the filter plate again, the filter plate filters impurities in the water again, the purity in the water body is improved, the second water pump at the later stage is prevented from being blocked, the efficiency is ensured, when the filter plate is cleaned, the second bolt can be rotated, the second bolt is not abutted to the fixed block, the filter plate can be disassembled and cleaned, wherein the filter plate is clamped in the first groove, the filter plate is ensured not to deviate in position when being impacted by water flow, the filtering effect is ensured, the second groove is further formed in the raw water treatment station, the second water pump is arranged in the second groove, the water pumping efficiency of the second water pump is highest, the water in the raw water treatment station is ensured not to remain, the leak-proof silica gel is arranged at the joint of the second water inlet pipe and the water pump, the overall sealing performance of the second water pump can be improved, guarantee the work efficiency of second water pump, and be provided with the filter screen in second inlet tube water inlet position, the filter screen filters the quality of water once more, prevents that the second water pump from taking place to block up, improves the efficiency of drawing water of second water pump.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of the invention at A;
FIG. 3 is an enlarged schematic view of the present invention at B;
fig. 4 is a schematic view of the connection of the sliding bar in the present invention.
In the figure: 100. a sliding assembly; 101. a sliding bar; 102. a fixed block; 103. a second bolt; 104. a chute; 105. a connecting rod; 106. a connecting shaft; 107. a pulley; 108. a connector; 109. a rotating shaft; 110. a steel ring; 111. a steel rope; 112. a connecting block; 113. a first bolt; 200. a sensor; 201. an alarm; 300. a steel gate; 400. a dirt blocking plate; 401. a thread groove; 500. a sand blocking plate; 501. a baffle; 502. a first water pump; 503. a first water inlet pipe; 504. a first water outlet pipe; 600. a filter plate; 601. a first groove; 700. a second water pump; 701. a second groove; 702. a second water outlet pipe; 703. a filter screen; 704. leak-proof silica gel; 705. a connecting ring; 706. a third bolt; 707. a second water inlet pipe; 800. a raw water treatment station.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a make-up water system for thermal power plant, including being L form raw water treatment station 800, raw water treatment station 800 upper end has set gradually from left to right and has kept off sand board 500, steel gate 300, block dirty board 400 and filter 600, keep off sand board 500 upper end fixedly connected with baffle 501, baffle 501 upper end surface fixedly connected with first water pump 502, first water pump 502 lower extreme is provided with first inlet tube 503, first inlet tube 503 is located the sand board 500 outside, first water pump 502 lower extreme is provided with first outlet pipe 504, first outlet pipe 504 is located the one side that keeps off sand board 500 and keep off first inlet tube 503, first inlet tube 503 and first outlet pipe 504 big or small the same length, and first inlet tube 503 and use sand board 500 as the center pin to set up at first water pump 502 lower extreme symmetry, steel gate 300 upper end is provided with sliding component 100, sliding component 100 includes through first bolt 113 cooperation connecting block 112 and steel cable 111 of steel gate 300 upper end surface phase spiro union, steel cable 111 twines at steel ring 110 surface, steel ring 110 cooperation pivot 109 sets up at slide bar 101 lower extreme 108 connector inner position sensor 101 inner sensor 105, sensor bar 101 top end 200 is connected with the inside sensor rod 200 through the inside sensor rod 101 position sensor rod 101 and the inside the slider position sensor rod 200 is connected to the slider position of the slider 101, the slider is set up. In operation, the sensor 200 can detect the water level, and when the water level is too high or too low, the alarm 201 can send out an alarm signal to remind people, so that the intelligent and accurate detection is realized.
The upper end of the sewage blocking plate 400 is provided with a thread groove 401, the upper end of the raw water treatment station 800 is provided with a first groove 601, the inside of the first groove 601 is clamped with a filter plate 600, the upper end of the filter plate 600 is matched with fixed blocks 102 fixedly connected with two sides of a sliding bar 101 and fixed through screw connection of second bolts 103, the upper end of the raw water treatment station 800 is provided with a second groove 701, the depth of the first groove 601 is the same as that of the second groove 701, the width of the first groove 601 is smaller than that of the second groove 701, a second water pump 700 is arranged inside the second groove 701, the side wall of the second water pump 700 is provided with a second water inlet pipe 707, the second water inlet pipe 707 is matched with a third bolt 706 and fixed through screw connection of the side wall of the water pump through a connecting ring 705, a second water outlet pipe 702 is arranged on the upper end surface of the second water pump 700, a filter screen 703 is arranged at the position of the water inlet of the second water inlet pipe 707, a leak-proof silica gel 704 is arranged between the connecting position of the connecting ring 705 and the second water pump 700, and the leak proof silica gel 704 is matched with the connecting ring 705 in size and specification.
The first water pump 502 is arranged at the upper end of the sand blocking plate 500, when the sand blocking plate is used, the first water pump 502 pumps water into the raw water treatment station 800, the steel gate 300 can regulate and control the flow of the water, the second water pump 700 is regulated and supplied by regulating the water level in the raw water treatment station 800, the water quantity is regulated accurately, when the water quantity is required to be regulated, the steel gate 300 is regulated by the steel ring 110 matched with the steel rope 111, the water flow passes through the dirt blocking plate 400, the dirt blocking plate 400 can block impurities and sludge in the water, when the dirt blocking plate 400 is required to be regulated, the first bolt 113 at the upper end of the connecting block 112 can be rotated, the first bolt 113 is not abutted with the steel gate 300, the connecting rod 105 is matched with the pulley 107 to drive the steel ring 110 to move in the chute 104, when the steel ring 110 is moved to the upper end of the dirt blocking plate 400, the steel rope 111 on the surface of the steel ring 110 is matched with the connecting block 112 and the first bolt 113 is screwed and fixed with the thread groove 401 arranged on the surface of the dirt blocking plate 400, the dirt blocking plate 400 can be adjusted, water passes through the filter plate 600 again, the filter plate 600 filters impurities in the water again, the purity of the water is improved, the later stage second water pump 700 is prevented from being blocked, the efficiency is ensured, when the filter plate 600 is cleaned, the second bolt 103 can be rotated, the second bolt 103 is not abutted with the fixed block 102, the filter plate 600 can be disassembled and cleaned, wherein the filter plate 600 is clamped in the first groove 601, the filter plate 600 is ensured not to deviate in position when being impacted by water flow, the filtering effect is ensured, the second groove 701 is further formed in the raw water treatment station 800, the second water pump 700 is arranged in the second groove 701, the water pumping efficiency of the second water pump 700 is highest, the water in the raw water treatment station 800 is guaranteed not to remain, the leak protection silica gel 704 is arranged at the joint of the second water inlet pipe 707 and the water pump, the leak protection silica gel 704 can improve the overall sealing performance of the second water pump 700, the working efficiency of the second water pump 700 is guaranteed, the filter screen 703 is arranged at the water inlet position of the second water inlet pipe 707, the filter screen 703 filters the water quality again, the second water pump 700 is prevented from being blocked, and the pumping efficiency of the second water pump 700 is improved.
Working principle: for the invention, when in use, the first water pump 502 pumps water into the raw water treatment station 800, the steel gate 300 can regulate and control the flow of the water, the second water pump 700 is regulated and supplied by regulating the water level in the raw water treatment station 800, the water quantity is regulated accurately, when the water flow is required to be regulated, the steel gate 300 is regulated by the steel ring 110 matched with the steel rope 111, the water flow passes through the dirt blocking plate 400 again, the dirt blocking plate 400 can block impurities and sludge in the water, when the dirt blocking plate 400 is required to be regulated, the first bolt 113 at the upper end of the connecting block 112 can be rotated, the first bolt 113 is not abutted with the steel gate 300, the connecting rod 105 is matched with the pulley 107 to drive the steel ring 110 to move in the chute 104, when the steel ring 110 is moved to the upper end of the dirt blocking plate 400, the steel rope 111 matched with the connecting block 112 and the first bolt 113 are screwed and the thread groove 401 arranged on the surface of the dirt blocking plate 400, the dirt blocking plate 400 can be adjusted, water passes through the filter plate 600 again, the filter plate 600 filters impurities in the water again, the purity of the water is improved, the later stage second water pump 700 is prevented from being blocked, the efficiency is ensured, when the filter plate 600 is cleaned, the second bolt 103 can be rotated, the second bolt 103 is not abutted with the fixed block 102, the filter plate 600 can be disassembled and cleaned, wherein the filter plate 600 is clamped in the first groove 601, the filter plate 600 is ensured not to deviate in position when being impacted by water flow, the filtering effect is ensured, finally, the inside of the raw water treatment station 800 is also provided with the second groove 701, the inside of the second groove 701 is provided with the second water pump 700, the second water pump 700 is arranged inside the second groove 701, the water pumping efficiency of the second water pump 700 is highest, and the water in the raw water treatment station 800 is ensured not to remain, be provided with leak protection silica gel 704 in the junction of second inlet tube 707 and water pump, leak protection silica gel 704 can improve the holistic leakproofness of second water pump 700, guarantees the work efficiency of second water pump 700, and is provided with filter screen 703 in second inlet tube 707 water inlet position, and filter screen 703 filters the quality of water once more, prevents that second water pump 700 from taking place to block up, improves the pumping efficiency of second water pump 700.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A make-up water system for a thermal power plant, comprising an L-shaped raw water treatment station (800) and a connector (108), characterized in that: the utility model provides a raw water treatment station (800) upper end has set gradually sand blocking board (500), steel gate (300), dirt blocking board (400) and filter (600) from a left side to the right side, sand blocking board (500) upper end fixedly connected with baffle (501), baffle (501) upper end surface fixedly connected with first water pump (502), first water pump (502) lower extreme is provided with first inlet tube (503), first inlet tube (503) are located sand blocking board (500) outside, first water pump (502) lower extreme is provided with first outlet pipe (504), first outlet pipe (504) are located sand blocking board (500) keep away from one side of first inlet tube (503), steel gate (300) upper end is provided with sliding component (100), sliding component (100) are including steel cable (111) that are connected with steel gate (300) upper end surface spiro union through first bolt (113) cooperation connecting block (112), steel cable (111) twine on steel ring (110) surface, steel ring (110) cooperation (108) are provided with connecting rod (109) inside connecting rod (109) and are connected to the fixed end of connecting rod (108), the utility model discloses a sewage treatment device, including connecting rod (105), filter board (600), filter board (101) upper end cooperation sliding bar (101) both sides fixed connection's fixed block (102) pass through second bolt (103) spiro union to be fixed, second recess (701) are seted up to raw water treatment station (600) upper end, be located in second recess (701) inside is provided with second water pump (700), second water pump (700) lateral wall is provided with second inlet tube (707), second water pump (707) pass through go-between (705) cooperation third bolt (706) and water pump lateral wall spiro union to be fixed, second water pump (700) upper end surface is provided with second outlet tube (702), sliding bar (101) lower extreme cooperation sliding bar (101) both sides fixed connection's fixed block (102) pass through second bolt (103) spiro union, second recess (701) are seted up to raw water treatment station (800) upper end, second water pump (700) lateral wall is provided with second inlet tube (707), second water pump (700) lateral wall spiro union is provided with second water inlet tube (702), sensor (200) are provided with down, sensor (200) are connected with alarm position (201), the size and the length of the first water inlet pipe (503) are the same as those of the first water outlet pipe (504), the first water inlet pipe (503) and the first water outlet pipe (504) are symmetrically arranged at the lower end of the first water pump (502) by taking the sand baffle (500) as a central shaft, leakage-proof silica gel (704) is arranged between the connecting part of the connecting ring (705) and the second water pump (700), the size and the specification of the leakage-proof silica gel (704) are matched with those of the connecting ring (705), the depth of the first groove (601) is the same as those of the second groove (701), the width of the first groove (601) is smaller than that of the second groove (701), and the starting point of the opening position of a chute (104) in the sliding strip (101) is not more than the position of the sensor (200) on the sliding strip (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011415782.7A CN112386998B (en) | 2020-12-03 | 2020-12-03 | Make-up water system for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011415782.7A CN112386998B (en) | 2020-12-03 | 2020-12-03 | Make-up water system for thermal power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112386998A CN112386998A (en) | 2021-02-23 |
| CN112386998B true CN112386998B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011415782.7A Active CN112386998B (en) | 2020-12-03 | 2020-12-03 | Make-up water system for thermal power plant |
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| Country | Link |
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| CN (1) | CN112386998B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986973A (en) * | 2006-12-11 | 2007-06-27 | 天津大学 | Anti-sedimentation gate |
| CN104120774A (en) * | 2014-07-31 | 2014-10-29 | 山东碧空环保科技股份有限公司 | Rainwater drainage system in factory |
| CN204919642U (en) * | 2015-07-08 | 2015-12-30 | 三峡大学 | Husky device of bed mud before dam of drainage storehouse |
| CN206791415U (en) * | 2017-06-13 | 2017-12-26 | 海南大学 | A kind of Multifunctional fish dish co-generator |
| CN209443447U (en) * | 2018-12-19 | 2019-09-27 | 新疆兵团勘测设计院(集团)有限责任公司 | A kind of cold district water channeling type power station forebay ice discharging system |
| CN110590031A (en) * | 2019-08-22 | 2019-12-20 | 杭州广业环保有限公司 | Ultrafiltration reverse osmosis water purification treatment system |
| CN214075409U (en) * | 2020-12-03 | 2021-08-31 | 华能秦煤瑞金发电有限责任公司 | Water supply system for thermal power plant |
-
2020
- 2020-12-03 CN CN202011415782.7A patent/CN112386998B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986973A (en) * | 2006-12-11 | 2007-06-27 | 天津大学 | Anti-sedimentation gate |
| CN104120774A (en) * | 2014-07-31 | 2014-10-29 | 山东碧空环保科技股份有限公司 | Rainwater drainage system in factory |
| CN204919642U (en) * | 2015-07-08 | 2015-12-30 | 三峡大学 | Husky device of bed mud before dam of drainage storehouse |
| CN206791415U (en) * | 2017-06-13 | 2017-12-26 | 海南大学 | A kind of Multifunctional fish dish co-generator |
| CN209443447U (en) * | 2018-12-19 | 2019-09-27 | 新疆兵团勘测设计院(集团)有限责任公司 | A kind of cold district water channeling type power station forebay ice discharging system |
| CN110590031A (en) * | 2019-08-22 | 2019-12-20 | 杭州广业环保有限公司 | Ultrafiltration reverse osmosis water purification treatment system |
| CN214075409U (en) * | 2020-12-03 | 2021-08-31 | 华能秦煤瑞金发电有限责任公司 | Water supply system for thermal power plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112386998A (en) | 2021-02-23 |
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