CN113914421A - Non-negative pressure water supply device - Google Patents
Non-negative pressure water supply device Download PDFInfo
- Publication number
- CN113914421A CN113914421A CN202111216354.6A CN202111216354A CN113914421A CN 113914421 A CN113914421 A CN 113914421A CN 202111216354 A CN202111216354 A CN 202111216354A CN 113914421 A CN113914421 A CN 113914421A
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- water supply
- ratchet wheel
- pressure water
- ratchet
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 24
- 210000001503 joint Anatomy 0.000 claims description 11
- 241000883990 Flabellum Species 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 description 9
- 238000011105 stabilization Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a non-negative pressure water supply device, which comprises a steady flow tank main body, wherein a water inlet pipe is arranged at the upper part of one end of the steady flow tank main body, a fan blade is arranged inside the water inlet pipe, the fan blade is arranged on a rotating shaft, a first ratchet wheel is arranged at the end part of the rotating shaft, a second ratchet wheel is arranged below the first ratchet wheel, a second transmission rod is arranged below the first transmission rod, a third ratchet wheel is arranged at the lower end of the second transmission rod, a fourth ratchet wheel is arranged below the third ratchet wheel, the fourth ratchet wheel is arranged on a threaded rod, the threaded rod is rotatably arranged in the middle of the steady flow tank main body, a cleaning device is arranged on the threaded rod, through the arrangement of the cleaning device, when the interior of the steady flow tank main body needs to be cleaned, the threaded rod can be driven to rotate through transmission, so that an annular frame can be driven to move, and a brush strip on the annular frame can clean the inner wall of the steady flow tank main body, meanwhile, water flow is used as a power source, so that the energy is saved and the environment is protected.
Description
Technical Field
The invention relates to the technical field of non-negative pressure water supply devices, in particular to a non-negative pressure water supply device.
Background
The non-negative pressure water supply equipment can be directly connected with a water supply pipe network, so that the water supply pipe network is ensured not to generate negative pressure, the water supply quantity of the water supply pipe network can be compensated by the water pressurization of the closed water tank in peak time, the equipment required by water for users is met, and the non-negative pressure water supply equipment mainly comprises the closed water tank, a main pump unit, a variable frequency control cabinet, a pressurization device, a water diversion device, a flow stabilizing tank, a non-negative pressure flow controller, a pressure maintaining device, a pressure sensor and the like.
However, the current steady flow tank in the non-negative pressure water supply equipment is not provided with a cleaning device inside in the using and working processes, so that impurities and the like are adsorbed on the inner wall of the tank body after long-time use, and the water quality is influenced.
To this end, the present invention proposes a non-negative pressure water supply device to solve the above problems.
Disclosure of Invention
The present invention is directed to a non-negative pressure water supply device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a no negative pressure water supply installation, including stationary flow jar main part, the inlet tube is installed on the one end upper portion of stationary flow jar main part, install the outlet pipe below the other end of stationary flow jar main part, the inside of inlet tube is equipped with the flabellum, the flabellum is provided with the multiunit, even equidistance is installed in the axis of rotation, the axis of rotation is rotated and is installed on the inlet tube, first ratchet is installed to the tip of axis of rotation, be equipped with the second ratchet below first ratchet, the second ratchet is installed on transfer line one, be equipped with transfer line two below transfer line one, transfer line two and transfer line one are rotated and are installed at the installation piece, the tip at stationary flow jar main part is installed to the installation piece, the third ratchet is installed to the lower extreme of transfer line two, be equipped with the fourth ratchet below the third ratchet, the fourth ratchet is installed at the threaded rod, the threaded rod is rotated and is installed in the centre at stationary flow jar main part, install cleaning device on the threaded rod.
Preferably, the baffle is arranged on the fan blades and is semicircular, the baffle is arranged on the rotating shaft rod, the supporting blocks are arranged below the baffle and are symmetrically arranged on the inner wall of the water inlet pipe, the rotating shaft rod is rotatably arranged on the water inlet pipe, the handle plate is arranged on the rotating shaft rod, and the positioning assembly is arranged on the handle plate.
Preferably, the positioning assembly comprises a positioning pin, a second spring, a limiting ring and a positioning cylinder, the positioning pin is inserted into the handle plate, the end part of the positioning pin is inserted into the positioning cylinder, the positioning cylinder is symmetrically arranged on the side wall of the water inlet pipe, the second spring is sleeved on the positioning pin, the limiting ring is arranged at one end of the second spring, and the limiting ring is arranged on the positioning pin.
Preferably, cleaning device comprises screw ring, bracing piece, annular frame, installation annular, brush strip and anchorage bar, and screw ring screw thread is installed on the threaded rod, and the bracing piece is installed in the lateral wall installation of screw ring, and the annular frame is installed to the tip of bracing piece, has seted up the installation annular on the annular frame, installs the brush strip in the installation annular, installs the brush hair on the brush strip, and threaded hole is seted up to the installation annular tip of annular frame, and the anchorage bar is installed to screw hole internal thread.
Preferably, the bottom surface of the first transmission rod is provided with a hexagonal prism groove, the upper end of the second transmission rod is provided with an insertion groove, a hexagonal prism is inserted in the insertion groove, a first spring is arranged below the hexagonal prism, the first spring is arranged in the insertion groove, the side walls of the hexagonal prism are symmetrically provided with limiting strips, the limiting strips are inserted in the rectangular groove formed in the second transmission rod, the upper end of the second transmission rod is inserted with a plug pin, and the end part of the plug pin penetrates through the second transmission rod to be inserted in the hexagonal prism.
Preferably, all install the butt joint dish on inlet tube and the outlet pipe, install the screw thread post on the butt joint dish, the screw thread post is provided with the multiunit, is circular even equidistance array, has seted up the arc wall on the butt joint dish, and the arc wall is provided with the multiunit.
Preferably, a protective frame is installed in the middle of the upper end of the steady flow tank main body, an observation plate is installed in the protective frame, and the observation plate is a transparent glass plate.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the cleaning device, when the interior of the steady flow tank main body needs to be cleaned, the threaded rod can rotate to drive the threaded ring to rotate through transmission, so that the annular frame can be driven to move, the brush strips on the annular frame can clean the inner wall of the steady flow tank main body, and meanwhile, water flow is adopted as a power source, so that the energy-saving and environment-friendly effects are achieved;
2. through having set up the baffle, with the baffle mounting at the pivot pole, installed the handle board on the pivot pole, through the convenient pivot pole that rotates of handle board, make the pivot pole drive the baffle and rotate, can change water impact like this at the flabellum edge, change the different of flabellum and turn to, and then make the pivot can rotate clockwise, also can anticlockwise rotation, and then through the transmission, realize that the threaded rod can drive the screw ring or retreat, make cleaning device can change the moving direction.
Drawings
FIG. 1 is a perspective view of the structure of the present invention from a first perspective;
FIG. 2 is a perspective view of the structure of the present invention from a second perspective;
FIG. 3 is an exploded view of a portion of the present invention;
FIG. 4 is a perspective view of a portion of the present invention;
FIG. 5 is a sectional view of a portion of the present invention;
FIG. 6 is a schematic structural diagram of a cleaning apparatus according to the present invention.
In the figure: the flow stabilizing tank comprises a flow stabilizing tank body 1, a protective frame 2, an observation plate 3, a water inlet pipe 4, a water outlet pipe 41, a butt joint disc 5, an arc-shaped groove 51, a threaded column 52, a rotating shaft 6, fan blades 7, a first ratchet wheel 8, a second ratchet wheel 9, a first transmission rod 10, a mounting block 11, a second transmission rod 12, an insertion groove 121, a hexagonal prism 122, a first spring 123, a limiting strip 124, a bolt 125, a rectangular groove 126, a third ratchet wheel 14, a fourth ratchet wheel 15, a threaded rod 16, a threaded ring 17, a support rod 18, an annular frame 19, a mounting ring groove 20, a brush strip 21, a fastening bolt 211, a baffle plate 22, a rotating shaft 23, a handle plate 24, a positioning pin 25, a second spring 26, a limiting ring 27, a positioning cylinder 28 and a supporting block 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a non-negative pressure water supply device comprises a flow stabilization tank body 1, a water inlet pipe 4 is installed at the upper portion of one end of the flow stabilization tank body 1, a water outlet pipe 41 is installed below the other end of the flow stabilization tank body 1, fan blades 7 are arranged inside the water inlet pipe 4, a plurality of groups of fan blades 7 are arranged and are uniformly and equidistantly installed on a rotating shaft 6, the rotating shaft 6 is rotatably installed on the water inlet pipe 4, a first ratchet wheel 8 is installed at the end portion of the rotating shaft 6, a second ratchet wheel 9 is arranged below the first ratchet wheel 8, the second ratchet wheel 9 is installed on a first transmission rod 10, a second transmission rod 12 is arranged below the first transmission rod 10, the second transmission rod 12 and the first transmission rod 10 are rotatably installed on an installation block 11, the installation block 11 is installed at the end portion of the flow stabilization tank body 1, a third ratchet wheel 14 is installed at the lower end of the second transmission rod 12, a fourth ratchet wheel 15 is arranged below the third ratchet wheel 14, the fourth ratchet wheel 15 is installed on a threaded rod 16, the threaded rod 16 is rotatably installed in the middle of the flow stabilization tank body 1, a cleaning device is mounted on the threaded rod 16.
Be equipped with baffle 22 on flabellum 7, baffle 22 is semicircular in shape, baffle 22 is installed on pivot pole 23, be equipped with supporting shoe 29 below baffle 22, supporting shoe 29 symmetry is installed on the inner wall of inlet tube 4, supporting shoe 29 can carry on spacingly and support to baffle 22, pivot pole 23 rotates and installs on inlet tube 4, install handle board 24 on the pivot pole 23, be equipped with locating component above the handle board 24, conveniently rotate pivot pole 23 through handle board 24, make pivot pole 23 drive baffle 22 rotate, can change the rivers impact on flabellum 7 edge like this, change the different of flabellum 7 and turn to, and then make axis of rotation 6 can clockwise rotate, also can anticlockwise rotation, and then through the transmission, realize that threaded rod 16 can drive threaded ring 17 or retreat.
Locating component is by locating pin 25, spring two 26, spacing ring 27 and a location section of thick bamboo 28 are constituteed, locating pin 25 is pegged graft on handle plate 24, the tip of locating pin 25 is pegged graft in a location section of thick bamboo 28, realize handle plate 24's fixed, and then realize baffle 22's fixed, make the turning to of axis of rotation 6 and flabellum 7 certain, a location section of thick bamboo 28 symmetry is installed on the lateral wall of inlet tube 4, spring two 26 has been cup jointed on the locating pin 25, the one end of spring two 26 is equipped with spacing ring 27, spacing ring 27 is installed on locating pin 25.
Cleaning device is by threaded ring 17, the bracing piece 18, annular frame 19, installation annular 20, brush strip 21 and anchorage bar 211 are constituteed, threaded ring 17 screw thread is installed on threaded rod 16, threaded ring 17's lateral wall installation installs bracing piece 18, annular frame 19 is installed to the tip of bracing piece 18, annular frame 19 is last to have seted up installation annular 20, install brush strip 21 in the installation annular 20, install the brush hair on the brush strip 21, threaded hole is seted up to the 20 tip of installation annular of annular frame 19, the anchorage bar 211 is installed to the screw hole internal thread, after brush strip 21 plug-in type is installed in installation annular 20, just can fix brush strip 21 through anchorage bar 211.
The bottom surface of the first transmission rod 10 is provided with a hexagonal prism groove, the upper end of the second transmission rod 12 is provided with an insertion groove 121, a hexagonal prism 122 is inserted in the insertion groove 121, a first spring 123 is arranged below the hexagonal prism 122, the first spring 123 is arranged in the insertion groove 121, the side walls of the hexagonal prism 122 are symmetrically provided with limiting strips 124, the limiting strips 124 are inserted in a rectangular groove 126 formed in the second transmission rod 12, the upper end of the second transmission rod 12 is inserted with a plug pin 125, and the end portion of the plug pin 125 penetrates through the second transmission rod 12 and is inserted in the hexagonal prism 122, so that in the using process, when the interior of the flow stabilizing tank body 1 needs to be cleaned, the plug pin 125 can be pulled out, the first spring 123 bounces the hexagonal prism 122 and is inserted in the hexagonal prism groove, the first transmission rod 10 and the second transmission rod 12 are linked, and the cleaning device is driven to rotate through transmission.
All install the butt joint dish 5 on inlet tube 4 and the outlet pipe 41, install screw thread post 52 on the butt joint dish 5, screw thread post 52 is provided with the multiunit, is circular even equidistance array, has seted up arc 51 on the butt joint dish 5, and arc 51 is provided with the multiunit, through arc 51, conveniently carries out the joint with the sealing strip of butt joint, increases the leakproofness of connecting.
Install protection frame 2 in the middle of the upper end of stationary flow jar main part 1, install observation board 3 in the protection frame 2, observation board 3 is transparent material glass board, conveniently observes the inside condition of stationary flow jar main part 1 like this through observation board 3.
The working principle is as follows: in the using process, water flow enters the flow stabilization tank main body 1 from the water inlet pipe 4 and comes out from the water outlet pipe 41, when the water flow enters the flow stabilization tank main body 1 from the water inlet pipe 4, the rotating shaft 6 is driven to rotate through the fan blades 7, the rotating shaft 6 rotates through the first ratchet wheel 8 and the second ratchet wheel 9, when the flow stabilization tank main body 1 needs to be cleaned after being used for a certain time, the bolt 125 is firstly pulled out, the hexagonal prism 122 is pushed out under the action of the spring second 26 and is inserted into the hexagonal prism groove on the bottom surface of the first transmission rod 10, so that the first transmission rod 10 rotates together with the second transmission rod 12, the second transmission rod 12 drives the threaded rod 16 to rotate through the third ratchet wheel 14 and the fourth ratchet wheel 15, the rotation of the threaded rod 16 drives the threaded ring 17 to rotate, so that the annular frame 19 can be driven to move, and the brush strips 21 on the annular frame 19 clean the inner wall of the flow stabilization tank main body 1, meanwhile, the observation plate 3 is convenient for observing the condition inside the flow stabilizing tank main body 1 and adjusting the moving direction of the annular frame 19.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a no negative pressure water supply installation, includes stationary flow jar main part (1), its characterized in that: inlet tube (4) is installed on the one end upper portion of stationary flow jar main part (1), install outlet pipe (41) below the other end of stationary flow jar main part (1), the inside of inlet tube (4) is equipped with flabellum (7), flabellum (7) are provided with the multiunit, even equidistance is installed on axis of rotation (6), axis of rotation (6) are rotated and are installed on inlet tube (4), first ratchet (8) are installed to the tip of axis of rotation (6), be equipped with second ratchet (9) below first ratchet (8), second ratchet (9) are installed on transfer line one (10), be equipped with transfer line two (12) below transfer line one (10), transfer line two (12) and transfer line one (10) are rotated and are installed at installation piece (11), the tip at stationary flow jar main part (1) is installed in installation piece (11), third ratchet (14) are installed to the lower extreme of transfer line two (12), a fourth ratchet wheel (15) is arranged below the third ratchet wheel (14), the fourth ratchet wheel (15) is installed on a threaded rod (16), the threaded rod (16) is rotatably installed in the middle of the flow stabilizing tank body (1), and a cleaning device is installed on the threaded rod (16).
2. The non-negative pressure water supply device according to claim 1, wherein: the fan blade support is characterized in that a baffle (22) is arranged on the fan blade (7), the baffle (22) is semicircular, the baffle (22) is installed on a rotating shaft rod (23), supporting blocks (29) are arranged below the baffle (22), the supporting blocks (29) are symmetrically installed on the inner wall of the water inlet pipe (4), the rotating shaft rod (23) is rotatably installed on the water inlet pipe (4), a handle plate (24) is installed on the rotating shaft rod (23), and a positioning assembly is arranged on the handle plate (24).
3. A non-negative pressure water supply device according to claim 2, wherein: the locating component comprises a locating pin (25), a second spring (26), a limiting ring (27) and a locating cylinder (28), the locating pin (25) is inserted into the handle plate (24), the end part of the locating pin (25) is inserted into the locating cylinder (28), the locating cylinder (28) is symmetrically installed on the side wall of the water inlet pipe (4), the second spring (26) is sleeved on the locating pin (25), the limiting ring (27) is arranged at one end of the second spring (26), and the limiting ring (27) is installed on the locating pin (25).
4. The non-negative pressure water supply device according to claim 1, wherein: cleaning device is by threaded ring (17), bracing piece (18), annular frame (19), installation annular (20), brush strip (21) and fastening bolt (211) are constituteed, threaded ring (17) screw thread is installed on threaded rod (16), bracing piece (18) are installed in the lateral wall installation of threaded ring (17), annular frame (19) are installed to the tip of bracing piece (18), installation annular (20) have been seted up on annular frame (19), install brush strip (21) in installation annular (20), install the brush hair on brush strip (21), threaded hole has been seted up to installation annular (20) tip of annular frame (19), fastening bolt (211) are installed to the screw hole internal thread.
5. The non-negative pressure water supply device according to claim 1, wherein: the bottom surface of the first transmission rod (10) is provided with a hexagonal prism groove, the upper end of the second transmission rod (12) is provided with a splicing groove (121), a hexagonal prism (122) is spliced in the splicing groove (121), a first spring (123) is arranged below the hexagonal prism (122), the first spring (123) is arranged in the splicing groove (121), the side walls of the hexagonal prism (122) are symmetrically provided with limiting strips (124), the limiting strips (124) are spliced in the rectangular groove (126) formed in the second transmission rod (12), the upper end of the second transmission rod (12) is spliced with a plug pin (125), and the end part of the plug pin (125) penetrates through the second transmission rod (12) and is spliced on the hexagonal prism (122).
6. The non-negative pressure water supply device according to claim 1, wherein: all install butt joint dish (5) on inlet tube (4) and outlet pipe (41), install screw thread post (52) on butt joint dish (5), screw thread post (52) are provided with the multiunit, are circular even equidistance array, have seted up arc wall (51) on butt joint dish (5), and arc wall (51) are provided with the multiunit.
7. The non-negative pressure water supply device according to claim 1, wherein: the middle of the upper end of the steady flow tank main body (1) is provided with a protective frame (2), an observation plate (3) is arranged in the protective frame (2), and the observation plate (3) is a transparent glass plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111216354.6A CN113914421B (en) | 2021-10-19 | 2021-10-19 | Non-negative pressure water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111216354.6A CN113914421B (en) | 2021-10-19 | 2021-10-19 | Non-negative pressure water supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113914421A true CN113914421A (en) | 2022-01-11 |
| CN113914421B CN113914421B (en) | 2024-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111216354.6A Active CN113914421B (en) | 2021-10-19 | 2021-10-19 | Non-negative pressure water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113914421B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772893A (en) * | 2022-04-13 | 2022-07-22 | 湖南大自然环保股份有限公司 | Municipal sludge drying treatment device and method |
| CN115324168A (en) * | 2022-09-07 | 2022-11-11 | 宏斯机械（上海）有限公司 | Non-negative pressure pipe network pressure-increasing flow-stabilizing water supply equipment |
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| JP2001038317A (en) * | 1999-07-29 | 2001-02-13 | Takada Seisakusho:Kk | Device for preventing inside of water storage tank from being stained |
| CN209053155U (en) * | 2018-10-26 | 2019-07-02 | 重庆金越水务有限公司 | Non-negative pressure water service system |
| CN210713059U (en) * | 2019-08-26 | 2020-06-09 | 山东舜业压力容器有限公司 | Box type non-negative pressure water supply unit |
| CN212175931U (en) * | 2020-04-29 | 2020-12-18 | 河北寰亚泵业股份有限公司 | Non-negative pressure water supply system |
| CN112392102A (en) * | 2020-10-20 | 2021-02-23 | 彩虹（合肥）液晶玻璃有限公司 | Constant-current constant-pressure water supply control device |
| CN112728688A (en) * | 2020-12-24 | 2021-04-30 | 苏州荐欣建筑装饰工程有限公司 | Intelligent building ventilation equipment |
| CN113062402A (en) * | 2021-04-06 | 2021-07-02 | 廖寒 | Box-pump integrated frequency-conversion pressure-superposed water supply equipment |
| CN113431131A (en) * | 2021-06-23 | 2021-09-24 | 上海邦浦实业集团有限公司 | Multipurpose non-negative pressure water supply system |
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2021
- 2021-10-19 CN CN202111216354.6A patent/CN113914421B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001038317A (en) * | 1999-07-29 | 2001-02-13 | Takada Seisakusho:Kk | Device for preventing inside of water storage tank from being stained |
| CN209053155U (en) * | 2018-10-26 | 2019-07-02 | 重庆金越水务有限公司 | Non-negative pressure water service system |
| CN210713059U (en) * | 2019-08-26 | 2020-06-09 | 山东舜业压力容器有限公司 | Box type non-negative pressure water supply unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772893A (en) * | 2022-04-13 | 2022-07-22 | 湖南大自然环保股份有限公司 | Municipal sludge drying treatment device and method |
| CN114772893B (en) * | 2022-04-13 | 2023-09-29 | 湖南大自然环保股份有限公司 | Municipal sludge drying treatment device and method |
| CN115324168A (en) * | 2022-09-07 | 2022-11-11 | 宏斯机械（上海）有限公司 | Non-negative pressure pipe network pressure-increasing flow-stabilizing water supply equipment |
| CN115324168B (en) * | 2022-09-07 | 2023-08-15 | 宏斯机械（上海）有限公司 | Non-negative pressure pipe network supercharging steady flow water supply equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113914421B (en) | 2024-01-30 |
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