CN220565322U - Mute environment-friendly negative pressure-free water supply structure - Google Patents
Mute environment-friendly negative pressure-free water supply structure Download PDFInfo
- Publication number
- CN220565322U CN220565322U CN202322070820.5U CN202322070820U CN220565322U CN 220565322 U CN220565322 U CN 220565322U CN 202322070820 U CN202322070820 U CN 202322070820U CN 220565322 U CN220565322 U CN 220565322U
- Authority
- CN
- China
- Prior art keywords
- water
- inlet pipe
- sound insulation
- negative pressure
- environment
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 15
- 239000012774 insulation material Substances 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000003344 environmental pollutant Substances 0.000 claims description 7
- 231100000719 pollutant Toxicity 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a mute environment-friendly negative pressure-free water supply structure, and belongs to the field of water supply equipment. A silent environment-friendly non-negative pressure water supply structure, comprising: the water storage tank and the water pump are characterized in that the end part of the water storage tank is connected with a water outlet of the water pump through a first water inlet pipe, the first water inlet pipe is connected with a pressure stabilizing device through a flange, and the bottom of the water pump is fixed in the sound insulation box body through a damping connecting piece; according to the utility model, the water pump is arranged in the sound insulation box body through the damping connecting piece, most of noise generated in the vibration process can be absorbed by the spring on the damping connecting piece, the transmission of vibration energy is reduced, the sound insulation materials adhered in the sound insulation box body and the sound insulation materials coated on the outer sides of the pipeline systems and the water storage tank effectively realize the sound insulation and noise reduction functions, the transmission of noise in the running process of equipment is further reduced, and the interference of noise to users is reduced by a method of combining the control from a sound source and the control from a transmission path.
Description
Technical Field
The utility model relates to the field of water supply equipment, in particular to a mute environment-friendly negative pressure-free water supply structure.
Background
The non-negative pressure water supply equipment is equipment capable of guaranteeing stable, safe and sanitary water supply under the condition of negative pressure of a water supply system, and has the main function of providing stable pressure, water quantity and temperature so as to achieve the purpose of continuous water supply for a long time.
The non-negative pressure water supply equipment mainly comprises a water pump, a negative pressure container, a water tank, a pressure sensor and the like, the internal volume of the negative pressure container in the non-negative pressure water supply equipment is sufficient to store the water in the pipe network, and when the pipe network has negative pressure or a water source fails, the water pump automatically starts to extract the water in the negative pressure container and supplies the water to a user through a pipeline, so that the stability and safety of water supply are ensured.
According to research and analysis, in the traditional water supply structure, the noise generated by the water pump during operation vibration is large, inconvenience is brought to a user, and normal life of the user can be possibly influenced during severe operation, so that improvement on the defects and defects of the prior art is needed.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, the noise generated by the water pump is large during operation vibration, inconvenience is brought to a user, and normal life of the user is possibly influenced during severe conditions.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a silent environment-friendly non-negative pressure water supply structure, comprising: the water storage tank is characterized in that the end part of the water storage tank is connected with a water outlet of the water pump through a first water inlet pipe, a pressure stabilizing device is arranged on the first water inlet pipe through a flange, the bottom of the water pump is fixedly arranged in a sound insulation box body through a shock absorption connecting piece, a second water inlet pipe is connected with a water inlet of the water pump, an environment-friendly filter is arranged on the second water inlet pipe through a flange, a drain pipe is arranged on the water storage tank in the direction away from the water inlet pipe through a flange, and a plurality of groups of water delivery pipes are fixed on the outer side of the water storage tank in the axial direction through welding equidistance.
Further, the pressure stabilizing device is provided with a pipeline, the pipeline is provided with a pressure sensor, the inner side of the pipeline in the axial direction is rotationally connected with a ball valve, the ball valve is connected with a controller through a rotating rod, and the controller is arranged on the outer side of the pipeline in the axial direction.
When the water pump starts to run, the pressure sensor on the pressure stabilizing device can sense the water pressure condition in the pipeline, if the water pressure is too low, the controller can rotate through the rotating rod driving ball valve to be adjusted, more water is allowed to pass through the pipeline, so that the water pressure is increased, if the water pressure is too high, the controller can rotate through the rotating rod driving ball valve to be adjusted, the water entering the pipeline is reduced, the water pressure is reduced, the opening size of the ball valve is continuously adjusted, the pressure stabilizing device can keep the water pressure of the first water inlet pipe within a reasonable range, and the negative pressure phenomenon is avoided.
Further, a drain outlet is arranged at the bottom of the environment-friendly filter and used for removing or cleaning the pollutants filtered in the environment-friendly filter.
Further, be provided with the casing on the sound insulation box, the upside joint of casing has sealed lid, casing, sealed lid be provided with catch, hasp all around respectively, catch, hasp position one-to-one and mutual lock joint, one side of casing is provided with the louvre for dispel the heat to the water pump, run through on the casing and set up with inlet tube one, inlet tube two external diameters assorted preformed hole.
Further, be provided with screw rod, bench type support on the shock attenuation connecting piece, the screw rod passes through threaded connection in the upside of bench type support, the bench type support passes through welded fastening in the bottom in the casing, the mounting panel of water pump bottom is run through to the upper end of screw rod, the axial outside of screw rod is provided with the spring, the gasket has been cup jointed in the axial outside of screw rod, the gasket is located the downside of mounting panel, the spring is located the downside of gasket, there is the nut in the axial outside of screw rod through threaded connection, the nut is located the upside of mounting panel.
When installing the sound insulation box with the water pump in, utilize screw rod downside and casing on welded bench type support carry out the thread tightening, then cup joint spring and gasket in proper order in the axial outside of screw rod, pass the reserved hole site on the water pump lower part mounting panel with the screw rod top again, use nut and screw rod to carry out the thread tightening at last for the upside of nut and mounting panel closely pastes, when the water pump put into operation, the energy that the water pump vibration produced can absorb through the resilience of spring, effectively reduced the vibration energy that transmits to sound insulation box department, thereby reduced the noise that produces because of the water pump vibration.
Further, sound insulation materials are adhered to the inner sides of the shell and the sealing cover.
The sound insulation materials applied to the inner sides of the shell and the sealing cover can be mineral wool boards, polyurethane foam, carbonized fibers, wet silicate boards, wear-resistant rubber, glass fiber sound-absorbing felts and the like, and the sound insulation and noise reduction functions can be realized through the modes of sound absorption, sound insulation, buffering, resonance prevention and the like.
Further, the sound insulation materials are respectively coated on the outer sides of the water storage tank, the first water inlet pipe, the second water inlet pipe, the drain pipe and the water supply pipe in the axial direction.
Compared with the prior art, the utility model provides a mute environment-friendly negative pressure-free water supply structure, which has the following beneficial effects:
1. according to the utility model, the water pump is arranged in the sound insulation box body through the damping connecting piece, most of noise generated in the vibration process can be absorbed by the spring on the damping connecting piece, the transmission of vibration energy is reduced, the sound insulation materials adhered in the sound insulation box body and the sound insulation materials coated on the outer sides of the pipeline systems and the water storage tank effectively realize the sound insulation and noise reduction functions, the transmission of noise in the running process of equipment is further reduced, and the interference of noise to users is reduced by a method of combining the control from a sound source and the control from a transmission path;
2. through set up environmental protection filter on inlet tube two in water pump water inlet direction, can filter pollutant and impurity in the rivers to ensure to enter into the cleanness of water quality in the water storage jar, after environmental protection filter filters for a long time, can open the drain of environmental protection filter bottom, discharge or wash pollutant in the environmental protection filter, made things convenient for the user to use.
Drawings
Fig. 1 is a schematic structural view of a silent environment-friendly negative pressure-free water supply structure provided by the utility model;
FIG. 2 is a schematic side view of a silent environment-friendly negative pressure-free water supply structure according to the present utility model;
fig. 3 is a schematic diagram of a water pump with a silent environment-friendly negative pressure-free water supply structure according to the present utility model;
FIG. 4 is a schematic view of a sound-proof box body of a silent environment-friendly negative pressure-free water supply structure;
FIG. 5 is a schematic diagram of a voltage stabilizing device of a silent environment-friendly negative pressure-free water supply structure according to the present utility model;
fig. 6 is a schematic diagram of a portion a in fig. 3 of a silent environment-friendly non-negative pressure water supply structure according to the present utility model.
In the figure: 1. a water storage tank; 2. a first water inlet pipe; 3. a water pump; 31. a mounting plate; 4. a water inlet pipe II; 5. a voltage stabilizing device; 51. a pipe; 52. a pressure sensor; 53. a ball valve; 54. a rotating rod; 55. a controller; 6. an environmental protection filter; 61. a sewage outlet; 7. a sound insulation box body; 71. a housing; 72. sealing cover; 73. locking; 74. a locking ring; 75. a heat radiation hole; 8. a shock absorbing connector; 81. a screw; 82. a nut; 83. a gasket; 84. a spring; 85. a table-type support; 9. a drain pipe; 10. a water supply pipe.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples:
referring to fig. 1-6, a mute environment-friendly non-negative pressure water supply structure includes: the water storage tank 1 and the water pump 3 are characterized in that the end part of the water storage tank 1 is connected with the water outlet of the water pump 3 through a first water inlet pipe 2, a pressure stabilizing device 5 is arranged on the first water inlet pipe 2 through flange connection, the bottom of the water pump 3 is fixedly arranged in a sound insulation box 7 through a damping connecting piece 8, the water inlet of the water pump 3 is connected with a second water inlet pipe 4, an environment-friendly filter 6 is arranged on the second water inlet pipe 4 through flange connection, a water outlet pipe 9 is arranged on the water storage tank 1, which is far away from the first water inlet pipe 2, and a plurality of groups of water delivery pipes 10 are fixed on the outer side of the water storage tank 1 in the axial direction through welding equidistance.
Working principle: when the utility model is used, the water inlet pipe II 4 is communicated with a water supply network, when the water pump 3 is put into operation after being electrified, water flows into the water inlet pipe II 4 from the water inlet on the water pump 3 through the water inlet pipe II 4, and enters the water storage tank 1 from the water inlet pipe I2 through the water outlet on the water pump 3, the environment-friendly filter 6 arranged on the water inlet pipe II 4 can filter pollutant particles in water quality, thereby ensuring the cleaning of the water quality entering the water storage tank 1, when the environment-friendly filter 6 is filtered for a long time, the sewage drain 61 at the bottom of the environment-friendly filter 6 can be opened, pollutant is discharged or cleaned in the environment-friendly filter 6, the pressure sensor 52 on the pressure stabilizing device 5 can sense the water pressure condition in the pipeline 51, if the water pressure is too low, the controller 55 can drive the ball valve 53 to rotate and adjust through the rotating rod 54, more water is allowed to pass through the pipeline 51, thereby increasing the water pressure, if the water pressure is too high, the controller 55 drives the ball valve 53 through the rotating rod 54 to rotate and adjust, so that water enters the pipeline 51, and the water pressure is reduced, the pressure stabilizing device 5 can keep the water pressure of the first water inlet pipe 2 within a reasonable range by continuously adjusting the opening size of the ball valve 53, the negative pressure phenomenon is avoided, the water pump 3 is installed in the sound insulation box body 7 through the damping connecting piece 8, most of noise generated in the vibration process can be absorbed by the spring 84 on the damping connecting piece 8, the transmission of vibration energy is reduced, the sound insulation materials applied in the sound insulation box body 7 and the sound insulation materials coated on the outer sides of the pipeline systems and the water storage tank 1 effectively realize the sound insulation and noise reduction functions, the transmission of noise in the operation process of equipment is further reduced, the water supply pipe 10 can facilitate the water source in the water storage tank 1 to the external waterways, the drain pipe 9 can drain the water source deposited for a long time in the water storage tank 1 to the outside during the long-term use of the water storage tank 1, thereby cleaning the water storage tank 1.
The pressure stabilizing device 5 is provided with a pipeline 51, the pipeline 51 is provided with a pressure sensor 52, the inner side of the pipeline 51 in the axial direction is rotationally connected with a ball valve 53, the ball valve 53 is connected with a controller 55 through a rotating rod 54, and the controller 55 is arranged on the outer side of the pipeline 51 in the axial direction;
as shown in fig. 5, when the water pump 3 starts to operate, the pressure sensor 52 on the pressure stabilizing device 5 senses the water pressure in the pipeline 51, if the water pressure is too low, the controller 55 drives the ball valve 53 to rotate and adjust through the rotating rod 54, so that more water is allowed to pass through the pipeline 51, and the water pressure is increased, if the water pressure is too high, the controller 55 drives the ball valve 53 to rotate and adjust through the rotating rod 54, so that the water entering the pipeline 51 is reduced, the water pressure is reduced, the opening of the ball valve 53 is continuously adjusted, the pressure stabilizing device 5 can keep the water pressure of the first water inlet pipe 2 within a reasonable range, and the negative pressure phenomenon is avoided.
The bottom of the environmental protection filter 6 is provided with a drain 61 for removing or cleaning the pollutants filtered in the environmental protection filter 6.
The sound insulation box body 7 is provided with a shell 71, a sealing cover 72 is clamped on the upper side of the shell 71, locking rings 74 and locking catches 73 are respectively arranged on the periphery of the shell 71 and the sealing cover 72, the positions of the locking rings 74 and the locking catches 73 are in one-to-one correspondence and are mutually buckled, one side of the shell 71 is provided with a heat dissipation hole 75 for dissipating heat of the water pump 3, and a reserved hole matched with the outer diameters of the first water inlet pipe 2 and the second water inlet pipe 4 is formed in the shell 71 in a penetrating mode.
The damping connecting piece 8 is provided with a screw rod 81 and a table-shaped support 85, the screw rod 81 is fixedly connected to the upper side of the table-shaped support 85 through threads, the table-shaped support 85 is fixedly arranged at the bottom in the shell 71 through welding, the upper end of the screw rod 81 penetrates through the mounting plate 31 at the bottom of the water pump 3, the axial outer side of the screw rod 81 is provided with a spring 84, the axial outer side of the screw rod 81 is sleeved with a gasket 83, the gasket 83 is positioned at the lower side of the mounting plate 31, the spring 84 is positioned at the lower side of the gasket 83, the axial outer side of the screw rod 81 is connected with a nut 82 through threads, and the nut 82 is positioned at the upper side of the mounting plate 31;
as shown in fig. 3 and 6, when the water pump 3 is installed in the sound insulation box 7, the lower side of the screw 81 is in threaded fixation with the table-type support 85 welded on the shell 71, then the spring 84 and the gasket 83 are sleeved on the outer side of the screw 81 in the axial direction, the top end of the screw 81 passes through the reserved hole site on the installation plate 31 at the lower part of the water pump 3, and finally the nut 82 is in threaded fixation with the screw 81, so that the nut 82 is closely attached to the upper side of the installation plate 31, when the water pump 3 is put into operation, energy generated by vibration of the water pump 3 can be absorbed through rebound of the spring 84, vibration energy transferred to the sound insulation box 7 is effectively reduced, and noise generated by vibration of the water pump 3 is reduced.
The inner sides of the shell 71 and the sealing cover 72 are respectively coated with a sound insulation material;
as shown in fig. 4, the sound insulation materials applied on the inner sides of the shell 71 and the sealing cover 72 can be mineral wool boards, polyurethane foam, carbonized fibers, wet silicate boards, wear-resistant rubber, glass fiber sound-absorbing felt and the like, and the sound insulation and noise reduction functions can be realized by the means of sound absorption, sound insulation, buffering, resonance prevention and the like.
The water storage tank 1, the first water inlet pipe 2, the second water inlet pipe 4, the drain pipe 9 and the axial outer side of the water supply pipe 10 are all coated with sound insulation materials.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A silent environment-friendly non-negative pressure water supply structure, comprising: the water storage tank is characterized in that the end part of the water storage tank (1) is connected with a water outlet of the water pump (3) through a first water inlet pipe (2), a pressure stabilizing device (5) is connected to the first water inlet pipe (2) through a flange, the bottom of the water pump (3) is fixedly arranged in a sound insulation box body (7) through a damping connecting piece (8), a water inlet of the water pump (3) is connected with a second water inlet pipe (4), an environment-friendly filter (6) is connected to the second water inlet pipe (4) through a flange, a drain pipe (9) is connected to the first water storage tank (1) in the direction away from the first water inlet pipe (2) through a flange, and a plurality of groups of water delivery pipes (10) are fixed to the outer axial side of the water storage tank (1) through welding equal intervals.
2. The mute environment-friendly negative pressure-free water supply structure according to claim 1, wherein the pressure stabilizing device (5) is provided with a pipeline (51), the pipeline (51) is provided with a pressure sensor (52), the axial inner side of the pipeline (51) is rotationally connected with a ball valve (53), the ball valve (53) is connected with a controller (55) through a rotating rod (54), and the controller (55) is arranged on the axial outer side of the pipeline (51).
3. The silent environment-friendly negative pressure-free water supply structure according to claim 1, wherein a drain outlet (61) is arranged at the bottom of the environment-friendly filter (6) and is used for removing or cleaning pollutants filtered in the environment-friendly filter (6).
4. The silent environment-friendly negative pressure-free water supply structure according to claim 1, wherein a shell (71) is arranged on the sound insulation box body (7), a sealing cover (72) is clamped on the upper side of the shell (71), locking rings (74) and locking catches (73) are arranged on the periphery of the shell (71) and the sealing cover (72) respectively, the locking rings (74) and the locking catches (73) are in one-to-one correspondence and are mutually buckled, a heat dissipation hole (75) is formed in one side of the shell (71) and used for dissipating heat of the water pump (3), and reserved holes matched with the outer diameters of a first water inlet pipe (2) and a second water inlet pipe (4) are formed in the shell (71) in a penetrating mode.
5. The silent environment-friendly negative pressure-free water supply structure according to claim 4, wherein a screw rod (81) and a table-type support (85) are arranged on the shock absorption connecting piece (8), the screw rod (81) is fixedly connected to the upper side of the table-type support (85) through threads, the table-type support (85) is fixedly connected to the bottom in the shell (71) through welding, the upper end of the screw rod (81) penetrates through a mounting plate (31) at the bottom of the water pump (3), a spring (84) is arranged on the outer axial side of the screw rod (81), a gasket (83) is sleeved on the outer axial side of the screw rod (81), the gasket (83) is located on the lower side of the mounting plate (31), a nut (82) is connected to the outer axial side of the screw rod (81) through threads, and the nut (82) is located on the upper side of the mounting plate (31).
6. The silent and environment-friendly negative pressure-free water supply structure according to claim 4, wherein sound insulation materials are adhered to the inner sides of the shell (71) and the sealing cover (72).
7. The silent environment-friendly negative pressure-free water supply structure according to claim 1, wherein the sound insulation materials are respectively coated on the outer sides of the water storage tank (1), the first water inlet pipe (2), the second water inlet pipe (4), the drain pipe (9) and the water supply pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322070820.5U CN220565322U (en) | 2023-08-01 | 2023-08-01 | Mute environment-friendly negative pressure-free water supply structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322070820.5U CN220565322U (en) | 2023-08-01 | 2023-08-01 | Mute environment-friendly negative pressure-free water supply structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220565322U true CN220565322U (en) | 2024-03-08 |
Family
ID=90090646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322070820.5U Active CN220565322U (en) | 2023-08-01 | 2023-08-01 | Mute environment-friendly negative pressure-free water supply structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220565322U (en) |
-
2023
- 2023-08-01 CN CN202322070820.5U patent/CN220565322U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220565322U (en) | Mute environment-friendly negative pressure-free water supply structure | |
| CN208220874U (en) | A kind of vehicle tail gas processing unit convenient for safeguarding | |
| CN216092807U (en) | Civil engineering prevents collection device of dust secondary raise dust | |
| CN210141190U (en) | Integrated pump | |
| CN210892087U (en) | High-efficient supply-air outlet with structure of making an uproar falls | |
| CN211260003U (en) | Large-scale pipeline muffler | |
| CN210714531U (en) | A fall raise dust device for roofbolter | |
| CN219119709U (en) | Noise reduction device for industrial micro powder production | |
| CN208878096U (en) | A kind of industrial waste gas Multifunctional treatment device | |
| CN216092854U (en) | Novel people's air defense gas particulate filter | |
| CN213360449U (en) | Self-control self-priming pump with protective structure | |
| CN214695404U (en) | Water supply and drainage equipment for hydraulic engineering | |
| CN210602200U (en) | Noise reduction protection device for heat pump unit | |
| CN215026766U (en) | Water quality filtering device for top-building water storage tank | |
| CN219231595U (en) | Water filter structure with simplified throttling assembly | |
| CN220134115U (en) | Cleaning device for inner wall of wind power tower barrel | |
| CN218713520U (en) | Integrated intelligent water pump room | |
| CN218763949U (en) | Noise eliminator for ventilation air conditioner | |
| CN210544027U (en) | Be used for aluminium salt flocculating agent reaction system tail gas treatment equipment | |
| CN218581786U (en) | Damping and noise-reducing mechanism of water supply pump | |
| CN219952202U (en) | High modulus environmental protection material HMPP prefabricated pump station of integration | |
| CN216379738U (en) | Non-negative pressure constant pressure water supply device | |
| CN217874773U (en) | Filtering type air inlet silencing pipe | |
| CN214275980U (en) | Noise reduction equipment for outdoor unit of air conditioner | |
| CN211782846U (en) | Chlorinated polyethylene production line waste heat utilization equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |