CN213701093U - Chilled water energy-saving conveying system of air conditioning system - Google Patents
Chilled water energy-saving conveying system of air conditioning system Download PDFInfo
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- CN213701093U CN213701093U CN202022557838.4U CN202022557838U CN213701093U CN 213701093 U CN213701093 U CN 213701093U CN 202022557838 U CN202022557838 U CN 202022557838U CN 213701093 U CN213701093 U CN 213701093U
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Abstract
The utility model relates to an energy-conserving conveying system of refrigerated water of air conditioning system belongs to the air conditioning technology equipment field, its technical scheme main points are including air conditioning equipment, water quality treatment device and cooling water set, be connected with the inlet tube between water quality treatment device and the air conditioning equipment, be connected with the outlet pipe between cooling water set and the air conditioner, be provided with the cleaning plate in the inlet tube, cleaning plate and inlet tube sliding connection, be provided with in the cleaning plate and scrape the dirty subassembly, it includes scraping groove and scraper blade to scrape the dirty subassembly, it sets up in the cleaning plate to scrape the groove, the scraper blade is located the scraping groove, and scrape groove sliding connection, scraper blade and inlet tube butt. This application has the inlet tube normal water stream and promotes the scraper blade, and dirt and bacterium on the pipe wall are scraped off in the inlet tube to the scraper blade, clear up the effect of inlet tube.
Description
Technical Field
The application relates to the field of air conditioning technology equipment, in particular to a chilled water energy-saving conveying system of an air conditioning system.
Background
The chilled water circulating system is characterized in that water of central air-conditioning equipment enters an evaporator of a water chilling unit through a water collector, a dirt separator and a circulating water pump, absorbs cold energy evaporated by a refrigerant, reduces the temperature of the refrigerant to form cold water, enters a water separator and then is sent into the air-conditioning equipment, exchanges heat with treated air, and then returns to the water chilling unit for recycling.
The double-pipe system in the chilled water circulating system is the most used system, and particularly in the southern area which mainly aims at cooling in summer, the double-pipe system consists of a water supply pipe and a water return pipe, the water supply pipe collects the waste water refrigerated by the central air-conditioning equipment, the waste water is sent into a water collector, a dirt remover, a circulating water pump and a water chilling unit evaporator, the waste water is cooled again and reused, and the cooled water enters the central air-conditioning equipment again through the water return pipe to refrigerate indoors.
In view of the above-mentioned related art, the inventor believes that there is a defect that bacteria are easily grown in a water supply pipe due to a warm environment in the water supply pipe, and the water inlet pipe is blocked by the growth of bacteria and the scale in the wastewater for a long time, which causes a failure of a chilled water circulation system.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the incrustation scale in breeding and the waste water of long-term bacterium can block up the inlet tube in the delivery pipe, the application provides an air conditioning system's energy-conserving conveying system of refrigerated water.
The application provides an energy-conserving conveying system of refrigerated water of air conditioning system adopts following technical scheme:
the utility model provides an energy-conserving conveying system of refrigerated water of air conditioning system, including air conditioning equipment, cooling water set and water quality treatment device, be provided with inlet tube and outlet pipe on the water quality treatment device respectively, the inlet tube is connected with air conditioning equipment, the outlet pipe is connected with cooling water set, cooling water set and air conditioning equipment are connected, be provided with the cleaning plate in the inlet tube, cleaning plate and inlet tube sliding connection, be provided with in the cleaning plate and scrape the dirty subassembly, scrape the dirty subassembly including scraping groove and scraper blade, scrape the groove and set up in the cleaning plate, the scraper blade is located scrapes the inslot, and with scraping groove sliding connection, scraper blade and inlet tube butt.
Through adopting above-mentioned technical scheme, the setting of scraper blade for the inlet tube normal operating is being flowed, promotes the clearance board through rivers in, thereby promotes the scraper blade, and the scraper blade is when being promoted by rivers, strikes off dirt and bacterium on the pipe wall in the inlet tube along the rivers direction, clears up the inlet tube, keeps the long-term cleanness of inlet tube, thereby guarantees the energy-conserving conveying system of refrigerated water normal operating.
Optionally, a driving assembly is connected to the scraper and comprises a driving spring and a driving plate, one end of the driving spring and one side, close to the air conditioning equipment, of the cleaning plate are fixedly connected, the other end of the driving spring and the other side, close to the air conditioning equipment, of the cleaning plate are fixedly connected, and the other end of the driving plate and one side, close to the air conditioning equipment, of the scraper are abutted.
By adopting the technical scheme, the driving assembly is arranged, so that when water flow in the water inlet pipe flows, the driving plate is pushed firstly, the driving plate moves towards one side close to the scraper, the scraper is pushed to abut against the scraper, the scraper slides out of the scraping groove, the scraper abuts against the inner wall of the water inlet pipe, and dirt on the inner wall of the water inlet pipe is scraped; when the water flow in the water inlet pipe is reduced by the driving spring, the elastic force of the driving spring pushes the driving plate away from the scraping plate, and the scraping plate returns to the scraping groove again.
Optionally, the scraping plate is connected with a sliding assembly, the sliding assembly comprises a sliding groove, a sliding block and a sliding spring, and the sliding groove is formed in the cleaning plate and communicated with the scraping groove; the sliding block is positioned in the sliding groove and is fixedly connected with the scraping plate; the sliding spring sets up in the sliding tray, and sliding spring's length direction is the same with the slip direction of scraper blade, and sliding spring one end and sliding tray fixed connection, other end and sliding block fixed connection.
Through adopting above-mentioned technical scheme, because incrustation scale and bacterium on the water inlet pipe inner wall probably scrape the back at the scraper blade, glue the scraper blade, the setting of slip subassembly, further supplementary scraper blade gets back to again and scrapes the inslot for when the actuating lever kept away from the scraper blade, originally open sliding spring shrink has guaranteed whole cleaning plate and the even running of scraping the incrustation scale subassembly again with the scraper blade pull back through the sliding block in scraping the inslot.
Optionally, the cleaning plate is connected with a guide assembly, the guide assembly includes a guide groove and a guide block, the guide groove is formed in the inner pipe wall of the water inlet pipe, the guide block is fixedly connected with the circumferential surface of the cleaning plate, and the guide block is slidably connected with the guide groove.
Through adopting above-mentioned technical scheme, the setting of direction subassembly has been injectd the position of cleaning plate in the inlet tube for the scraper blade gets back to again and scrapes the inslot back, and the cleaning plate can not be crooked, also makes when the rivers in the inlet tube are great, and the scraper blade can not washed away by rivers.
Optionally, an extension spring is arranged in the guide groove, one end of the extension spring is fixedly connected with the inner wall of the guide groove close to one side of the air conditioning equipment, and the other end of the extension spring is fixedly connected with one side of the guide plate close to the air conditioning equipment.
Through adopting above-mentioned technical scheme, extension spring's setting for when keeping away from storage water tank one end in the inlet tube by rivers impact cleaning plate, extension spring pulls back cleaning plate again, makes it be close to the storage water tank, so that the scraper blade is next to the clearance of whole inlet water pipe wall.
Optionally, a water storage assembly is arranged on the water inlet pipe, the water storage assembly is positioned on one side, close to the air conditioning unit, of the cleaning plate, the water storage assembly comprises a water storage tank, a water storage plate and a water storage spring, and a water outlet communicated with the water inlet pipe is formed in the water storage tank; the water storage plate is positioned in the water storage tank and above the water outlet, and the peripheral surface of the water storage plate is abutted against the inner wall of the water storage tank; the water storage spring is vertically arranged, and two ends of the water storage spring are fixedly connected with the water storage plate and the bottom wall of the water storage tank respectively.
Through adopting above-mentioned technical scheme, water storage component's setting for the water that flows from air conditioning equipment advances into the storage water tank, when the weight of water is enough big, pushes down the water storage board, makes the delivery port expose, and a large amount of rivers flow in the twinkling of an eye the inlet tube, strikes drive plate and cleaning plate, finally makes dirt and bacterium in the scraper blade will the inlet tube inner wall cleared up.
Optionally, the circumferential surface of the water storage plate is fixedly connected with a sealing strip.
Through adopting above-mentioned technical scheme, the setting of sealing strip for the water that flows out among the air conditioning equipment can not flow into under the water storage plate, with the impact force of guaranteeing that the rivers in the gravity that presses the water storage plate and the water storage tank in the water storage tank flow down.
Optionally, a vertical supporting rod is arranged in the water storage spring, and the bottom end of the supporting rod is fixedly connected with the bottom wall of the water storage tank.
Through adopting above-mentioned technical scheme, the setting of bracing piece can support the water storage spring on the one hand, makes it can not buckle, and on the other hand can not make the water storage board exert pressure for the water storage spring for a long time, destroys the elasticity performance of water storage spring self.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the scraper is arranged, so that water flow in the water inlet pipe pushes the scraper, the scraper scrapes dirt and bacteria on the inner pipe wall of the water inlet pipe, and the water inlet pipe is cleaned;
2. the driving assembly is arranged, so that when water flow in the water inlet pipe can push the driving plate and the driving rod, the driving rod pushes the scraper to slide out of the scraping groove, the scraper scrapes dirt on the inner wall of the water inlet pipe, when the water flow is less, the driving plate and the driving rod are pushed by the elastic force of the driving spring in a reverse mode to be far away from the scraper, and the scraper returns to the scraping groove again;
3. the setting of direction subassembly for the scraper blade gets back to again and scrapes the inslot back, and the cleaning plate can not be crooked, also makes when the rivers in the inlet tube are great, and the scraper blade can not washed away by rivers.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view for illustrating the structure of the water storage unit;
fig. 3 is a schematic diagram of an explosive structure intended to show a cleaning plate.
Reference numerals: 1. an air conditioning device; 11. a water inlet pipe; 12. a water quality treatment device; 13. a water chilling unit; 14. a water outlet pipe; 2. a water storage assembly; 21. a water storage tank; 211. a water inlet; 212. a water outlet; 22. a water storage plate; 221. a sealing strip; 23. a water storage spring; 231. a support bar; 3. cleaning the plate; 31. an extension spring; 32. a water flowing port; 4. a guide assembly; 41. a guide groove; 42. a guide block; 5. a scale scraping assembly; 51. scraping the groove; 52. a squeegee; 6. a sliding assembly; 61. a sliding groove; 62. a slider; 63. a slide spring; 7. a drive assembly; 71. a drive spring; 72. a drive plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a chilled water energy-saving conveying system of an air conditioning system. Referring to fig. 1, an energy-saving chilled water conveying system of an air conditioning system comprises an air conditioning device 1, a water quality treatment device 12 and a water chilling unit 13, wherein a water inlet pipe 11 is fixedly communicated between the air conditioning device 1 and the water quality treatment device 12, a water outlet pipe 14 is fixedly communicated between the water chilling unit 13 and the water quality treatment device 12, a water storage assembly 2 for storing waste water in an air conditioner is connected to a position, close to the air conditioning device 1, of the water inlet pipe 11, and a cleaning plate 3 for cleaning the inner wall of the water inlet pipe 11 is connected to the position, close to the air.
Waste water flowing out of the air conditioning system firstly flows through the water storage assembly 2 and then flows into the water inlet pipe 11 from the water storage assembly 2, when the waste water passes through the cleaning plate 3 in the water inlet pipe 11, the cleaning plate 3 is pushed to scrape off dirt on the inner wall of the water inlet pipe 11, the scraped dirt flows into the water quality treatment device 12 together with the waste water, and after the waste water is treated by the water quality treatment device 12, clean water flows back into the water chilling unit 13 again to be cooled, so that cold water is provided for the air conditioning equipment 1.
Referring to fig. 2, the water storage assembly 2 includes a water storage tank 21, a water storage plate 22 and a water storage spring 23, the upper part of the water storage tank 21 is provided with a water inlet 211, the water inlet 211 is communicated with the air conditioning equipment 1, the lower part of the water storage tank 21 is provided with a water outlet 212, and the water inlet pipe 11 is fixedly communicated with the water storage tank 21 through the water outlet 212; the water storage plate 22 is horizontally positioned in the water storage tank 21 and above the water outlet 212, a sealing strip 221 is sleeved on the circumferential surface of the water storage plate 22, the sealing strip 221 is fixedly connected with the circumferential surface of the water storage plate 22, and one side of the sealing strip 221, which deviates from the water storage plate 22, is abutted against the inner wall of the water storage tank 21; the three water storage springs 23 are vertically arranged and are positioned between the water storage plate 22 and the bottom surface of the water storage tank 21, the three water storage springs 23 are distributed in a circumferential array mode, the top ends of the water storage springs 23 are fixedly connected with the bottom surface of the water storage plate 22, and the bottom ends of the water storage springs are fixedly connected with the bottom surface of the water storage tank 21; a vertical support rod 231 is arranged in the water storage spring 23, the length of the support rod 231 is smaller than that of the water storage spring 23, and the bottom end of the support rod 231 is fixedly connected with the bottom surface of the water storage tank 21. The top end of the support rod 23 is lower than the water outlet 212.
The waste water in the air conditioning equipment 1 firstly flows into the water storage tank 21 from the water inlet 211, when the water in the water storage tank 21 is enough, the water storage plate 22 is pressed downwards, the water storage springs 23 are compressed, the three water storage springs 23 are arranged, so that the water storage plate 22 can be stably supported and slide, and when the water storage plate 22 slides downwards to be lower than the water outlet 212, the water in the water storage tank 21 instantly flows into the water inlet pipe 11 from the water outlet 212; the water flow in the water storage tank 21 gradually decreases, and the water storage plate 22 also gradually slides upwards due to the elastic expansion of the water storage spring 23 until being completely above the water outlet 212.
Referring to fig. 2 and 3, the cross section of the cleaning plate 3 is circular, a circular water flowing port 32 is arranged at the center of the circle, the cleaning plate 3 is vertically arranged in the water inlet pipe 11 and is connected with two groups of guide assemblies 4, each guide assembly 4 comprises a guide groove 41 and a guide block 42, each guide groove 41 is arranged on the inner wall of the water inlet pipe 11, the length direction of each guide groove is the length direction of the water inlet pipe 11, and the length of each guide groove 41 is smaller than that of the water inlet pipe 11; the guide block 42 is fixedly connected with the outer circumferential surface of the cleaning plate 3, and the guide block 42 is embedded in the guide groove 41 and is connected with the water inlet pipe in a sliding manner. An extension spring 31 is arranged in the guide groove 41, one end of the extension spring 31 is fixedly connected with one side of the guide block 42 close to the water outlet 212, and the other end of the extension spring is fixedly connected with the side wall of the guide groove 41 close to the water outlet 212.
Referring to fig. 3, four sets of scale scraping assemblies 5 are arranged in the cleaning plate 3, the four sets of scale scraping assemblies 5 are distributed along the circumference of the axis of the cleaning plate 3, each scale scraping assembly 5 comprises a scraping groove 51 and a scraping plate 52, the cross section of each scraping groove 51 is fan-shaped and penetrates through the outer circumferential surface and the inner circumferential surface of the cleaning plate 3; the scraper 52 is positioned in the scraping groove 51, the cross section of the scraper 52 is in a fan shape, the area of the scraper 52 is equal to that of the scraping groove 51, one end of the scraper 52, which is positioned at the inner circumferential surface of the cleaning plate 3, is an inclined surface, and the scraper 52 is connected with the scraping groove 51 in a sliding manner. A sliding assembly 6 is arranged between the scraping groove 51 and the cleaning plate 3, the sliding assembly 6 comprises a sliding groove 61, a sliding block 62 and a sliding spring 63, and the sliding groove 61 is formed in the cleaning plate 3 and is communicated with the scraping groove 51; the sliding block 62 is positioned in the sliding groove 61 and is fixedly connected with the side wall of the scraper 52; the sliding spring 63 is located in the sliding groove 61, and one end of the sliding spring is fixedly connected with the side wall of the sliding groove 61 close to the inner circumferential surface of the cleaning plate 3, and the other end of the sliding spring is fixedly connected with the sliding block 62.
Referring to fig. 2 and 3, four sets of driving assemblies 7 are connected to the cleaning plate 3, the positions of the four sets of driving assemblies 7 correspond to the positions of the four scrapers 52, each driving assembly 7 comprises a driving spring 71 and a driving plate 72, the driving spring 71 is located on one side of the cleaning plate 3 close to the water outlet 212, the length direction of the driving spring 71 is equal to that of the water inlet pipe 11, one end of the driving spring 71 is fixedly connected with the side wall of the cleaning plate 3 close to the water outlet 212, and the other end of the driving spring is fixedly connected with the driving plate 72; the driving plate 72 has an L-shaped longitudinal section, one end of the driving plate 72 is bent in a direction away from the water discharge port 32 and is fixedly connected to the driving spring 71, and the other end thereof extends toward the scraper 52 and is formed as an inclined surface close to the scraper 52, and the inclined surface of the driving plate 72 and the inclined surface of the scraper 52 have the same inclination direction and are abutted against the scraper 52.
When water in the water storage tank 21 flows into the water inlet pipe 11, the water firstly pushes the driving plate 72 to bend to one side away from the water flowing port 32, so as to drive the driving spring 71 to contract, the driving plate 72 pushes the scraper 52 towards one end of the scraper 52, the scraper 52 slides outwards in the scraper groove 51, and the sliding spring 63 stretches until the scraper 52 abuts against the inner wall of the water inlet pipe 11, so as to scrape bacteria and dirt on the inner wall of the water inlet pipe 11; then, when the water flow in the water inlet pipe 11 gradually decreases, the driving spring 71 expands to drive the driving plate 72 to retract without abutting against the scraper 52, the sliding spring 63 contracts to pull the scraper 52 to retract into the scraper groove 51 through the sliding block 62, and the extension spring 31 pulls the cleaning plate 3 back to the water outlet 212 through the guide block 42.
The implementation principle of the chilled water energy-saving conveying system of the air conditioning system in the embodiment of the application is as follows: waste water flowing out of the air conditioning system firstly flows into the water storage tank 21, when enough water is in the water storage tank 21, the water storage plate 22 is pressed downwards, the water storage spring 23 contracts to expose the water outlet 212, water in the water storage tank 21 flows into the water inlet pipe 11 from the water outlet 212, the driving plate 72 is pushed, the driving plate 72 pushes the scraping plate 52 to slide outwards in the scraping groove 51 until the scraping plate 52 abuts against the inner wall of the water inlet pipe 11 to scrape bacteria and dirt on the inner wall of the water inlet pipe 11, the scraped dirt flows into the water quality treatment device 12 together with the waste water, and after the waste water is treated by the water quality treatment device 12, clean water flows back into the water chilling unit 13 again to be cooled, so that cold water; the water flow in the water storage tank 21 is reduced, the water storage plate 22 gradually slides upwards until the water outlet 212 is completely shielded, the driving spring 71 stretches and drives the driving plate 72 to retract, the driving plate is separated from the scraping plate 52, the sliding spring 63 retracts to pull the scraping plate 52 to retract into the scraping groove 51, and meanwhile, the cleaning plate 3 is pulled back to the water outlet 212 by the extension spring 31 to be reused when more wastewater exists in the water storage tank 21 next time.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an energy-conserving conveying system of air conditioning system's refrigerated water, includes air conditioning equipment (1), water treatment facilities (12) and cooling water set (13), is connected with inlet tube (11) between water treatment facilities (12) and air conditioning equipment (1), is connected with outlet pipe (14), its characterized in that between cooling water set (13) and the air conditioner: be provided with cleaning plate (3) in inlet tube (11), cleaning plate (3) and inlet tube (11) sliding connection are provided with in cleaning plate (3) and scrape dirty subassembly (5), scrape dirty subassembly (5) including scraping groove (51) and scraper blade (52), scrape groove (51) and set up in cleaning plate (3), scraper blade (52) are located scraping groove (51), and with scraping groove (51) sliding connection, scraper blade (52) and inlet tube (11) butt.
2. The chilled water energy-saving conveying system of the air conditioning system according to claim 1, characterized in that: the air conditioner is characterized in that a driving assembly (7) is connected onto the scraper (52), the driving assembly (7) comprises a driving spring (71) and a driving plate (72), one end of the driving spring (71) and the cleaning plate (3) are fixedly connected with one side of the air conditioner (1) in a close mode, the other end of the driving spring is fixedly connected with the driving plate (72), and the other end of the driving plate (72) and the scraper (52) are abutted to one side of the air conditioner (1) in a close mode.
3. The chilled water energy-saving conveying system of the air conditioning system according to claim 1, characterized in that: the scraper (52) is connected with a sliding assembly (6), the sliding assembly (6) comprises a sliding groove (61), a sliding block (62) and a sliding spring (63), and the sliding groove (61) is formed in the cleaning plate (3) and communicated with the scraper groove (51); the sliding block (62) is positioned in the sliding groove (61) and is fixedly connected with the scraper (52); the sliding spring (63) is arranged in the sliding groove (61), the length direction of the sliding spring (63) is the same as the sliding direction of the scraper (52), one end of the sliding spring (63) is fixedly connected with the sliding groove (61), and the other end of the sliding spring is fixedly connected with the sliding block (62).
4. The chilled water energy-saving conveying system of the air conditioning system according to claim 1, characterized in that: the cleaning device is characterized in that a guide assembly (4) is connected to the cleaning plate (3), the guide assembly (4) comprises a guide groove (41) and a guide block (42), the guide groove (41) is formed in the inner pipe wall of the water inlet pipe (11), the guide block (42) is fixedly connected with the circumferential surface of the cleaning plate (3), and the guide block (42) is connected with the guide groove (41) in a sliding mode.
5. The chilled water energy-saving conveying system of the air conditioning system according to claim 4, characterized in that: an extension spring (31) is arranged in the guide groove (41), one end of the extension spring (31) is fixedly connected with the inner wall of the guide groove (41) close to one side of the air-conditioning equipment, and the other end of the extension spring is fixedly connected with the guide block (42) close to one side of the air-conditioning equipment.
6. The chilled water energy-saving conveying system of the air conditioning system according to claim 1, characterized in that: the water storage assembly (2) is arranged on the water inlet pipe (11), the water storage assembly (2) is positioned on one side, close to the air conditioning unit, of the cleaning plate (3), the water storage assembly (2) comprises a water storage tank (21), a water storage plate (22) and a water storage spring (23), and a water outlet (212) communicated with the water inlet pipe (11) is formed in the water storage tank (21); the water storage plate (22) is positioned in the water storage tank (21) and above the water outlet (212), and the circumferential surface of the water storage plate (22) is abutted against the inner wall of the water storage tank (21); the water storage spring (23) is vertically arranged, and two ends of the water storage spring are fixedly connected with the bottom wall of the water storage plate (22) and the bottom wall of the water storage tank (21) respectively.
7. The chilled water energy-saving conveying system of the air conditioning system according to claim 6, characterized in that: the circumferential surface of the water storage plate (22) is fixedly connected with a sealing strip (221).
8. The chilled water energy-saving conveying system of the air conditioning system according to claim 6, characterized in that: a vertical support rod (231) is arranged in the water storage spring (23), and the bottom end of the support rod (231) is fixedly connected with the bottom wall of the water storage tank (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022557838.4U CN213701093U (en) | 2020-11-06 | 2020-11-06 | Chilled water energy-saving conveying system of air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022557838.4U CN213701093U (en) | 2020-11-06 | 2020-11-06 | Chilled water energy-saving conveying system of air conditioning system |
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| Publication Number | Publication Date |
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| CN213701093U true CN213701093U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022557838.4U Active CN213701093U (en) | 2020-11-06 | 2020-11-06 | Chilled water energy-saving conveying system of air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117702898A (en) * | 2024-02-06 | 2024-03-15 | 山东京博逸林园林建设有限公司 | Cleaning device for sewage conveying pipeline for preventing soil salinization |
-
2020
- 2020-11-06 CN CN202022557838.4U patent/CN213701093U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117702898A (en) * | 2024-02-06 | 2024-03-15 | 山东京博逸林园林建设有限公司 | Cleaning device for sewage conveying pipeline for preventing soil salinization |
| CN117702898B (en) * | 2024-02-06 | 2024-05-07 | 山东京博逸林园林建设有限公司 | Cleaning device for sewage conveying pipeline for preventing soil salinization |
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