CN113266056A - Energy-saving and environment-friendly secondary water supply system - Google Patents

Energy-saving and environment-friendly secondary water supply system Download PDF

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Publication number
CN113266056A
CN113266056A CN202110679657.5A CN202110679657A CN113266056A CN 113266056 A CN113266056 A CN 113266056A CN 202110679657 A CN202110679657 A CN 202110679657A CN 113266056 A CN113266056 A CN 113266056A
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China
Prior art keywords
water
energy
tank
environment
supply system
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CN202110679657.5A
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CN113266056B (en
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高晓昆
程立
刘新贵
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Chongqing Xinsheng Environmental Protection Technology Co ltd
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Chongqing Xinsheng Environmental Protection Technology Co ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Structural Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses an energy-saving and environment-friendly secondary water supply system which comprises a water storage tank, an anti-sedimentation mechanism and a water purification anti-clogging mechanism, wherein the anti-sedimentation mechanism is arranged at the bottom of an inner cavity of the water storage tank, the water purification anti-clogging mechanism is arranged on the right side of the bottom of the inner cavity of the water storage tank, and by arranging the anti-sedimentation mechanism, when water is used, water flow generated by pumping water directly impacts a flow pendulum page and drives the flow pendulum page to rotate through the driving of the water flow, so that the water in the water tank is stirred when the flow pendulum page rotates, the use of a conical hole is matched, the situation that impurities are continuously precipitated and accumulated at the bottom of the tank to cause pollution is ensured on the premise of not influencing the water supply flow speed is avoided, and the whole stirring process does not need external force driving, so that the energy is saved, the environment is protected, and the energy consumption and the use cost are reduced.

Description

Energy-saving and environment-friendly secondary water supply system
Technical Field
The invention relates to the technical field of secondary water supply, in particular to an energy-saving and environment-friendly secondary water supply system.
Background
The secondary water supply is a form that a unit or an individual stores and pressurizes urban public water supply or self-built facility water supply and supplies water to users or self-use through a pipeline, and is mainly established for compensating the pressure deficiency of a municipal water supply pipeline and ensuring the water use of dwellings and living beings in high-rise crowds.
The secondary water supply also has many problems to be considered, wherein the problems of water safety, water cost and energy consumption are more critical. The most intuitive embodiment of the water safety problem is that the water tank is cleaned and disinfected regularly, although the water tank can achieve a certain water safety function, in the water using period, various impurities are precipitated and accumulated, and various bred plankton are pumped away along with tap water; the water consumption cost is embodied in each link, wherein in the process of the water consumption link, the problem of energy consumption of driving of various devices is directly embodied, and in the process of the water consumption, various devices are required to be used for stirring to prevent impurities in water from precipitating, so that the impurities are prevented from being blocked and the pollution is caused, and meanwhile, the use cost is increased.
Therefore, in the secondary water supply process, especially in the high-rise water storage link, a plurality of links and problems need to be improved and solved, so that safe, environment-friendly and energy-saving water supply is realized.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly secondary water supply system to realize safe, environment-friendly and energy-saving water supply.
In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving and environment-friendly secondary water supply system comprises a water storage tank, an anti-precipitation mechanism and a water purification anti-clogging mechanism, wherein the anti-precipitation mechanism is arranged at the bottom of an inner cavity of the water storage tank, and the water purification anti-clogging mechanism is arranged on the right side of the bottom of the inner cavity of the water storage tank;
the anti-sedimentation mechanism comprises a buoyancy cylinder, a flow pendulum page and conical holes, the flow pendulum page is fixedly arranged on the outer wall of the buoyancy cylinder at equal intervals, and the conical holes are formed in the surface of the flow pendulum page;
the water purification anti-blocking mechanism comprises an arc-shaped sheet, a sealing plug, a limiting column and an adhesion spring, wherein the top of the sealing plug is fixedly connected with the bottom of the arc-shaped sheet, the top of the limiting column is fixedly connected with the bottom of the sealing plug, and the adhesion spring is sleeved on an outer ring of the limiting column.
Preferably, the water inlet has been seted up at the back of storage water tank, and the seal groove has all been seted up all around to the positive storage water tank, and the bottom of storage water tank inner wall is provided with locking mechanism, and the chamber door is installed through the hinge in the front of storage water tank, and the bottom of storage water tank is installed useful water tank.
Preferably, the right side of the bottom of the inner wall of the water storage tank is provided with a hidden groove, the inner wall of the hidden groove is provided with a vertical groove, and the bottom of the vertical groove is provided with a horizontal groove.
Preferably, locking mechanism includes holding tank, locking hole, check lock lever and dismouting piece, and the holding tank is seted up in the bottom of storage water tank inner wall, and the locking hole equidistance is seted up on the inner wall of holding tank, and the inner chamber in locking hole is installed to the check lock lever run-through formula, the bottom of dismouting piece and the top fixed connection of check lock lever.
Preferably, the bottom at the back of the box door and the inner wall of the water storage tank is provided with a mounting groove, and the back of the box door is fixedly connected with a sealing strip.
Preferably, the two ends of the buoyancy cylinder are fixedly connected with short shafts, the outer ring of each short shaft is provided with an elastic plate, the outer ring of each short shaft is sleeved with a bearing, the bearing is installed in the inner cavity of the installation groove, and the side edge of the flow pendulum page is provided with a circulation groove.
Preferably, the inner cavity of the water tank is communicated with the left end of the horizontal groove, and the front surface of the water tank is provided with a pipeline interface.
Preferably, the arc-shaped piece is movably clamped in the inner cavity of the hidden groove, and the sealing plug, the limiting column and the adhesion spring are all arranged in the inner cavity of the vertical groove.
Preferably, the right side of the locking hole is communicated with the inner cavity of the horizontal groove, and the right end of the locking rod is inserted between the metal wires adhered with the spring.
Compared with the prior art, the invention has the beneficial effects that:
1. this energy-concerving and environment-protective secondary water supply system, prevent deposiing mechanism through the setting, in the water, the rivers that draw water the production can directly strike on the pendulum page or leaf flows, the drive through rivers drives the pendulum page or leaf and rotates, thereby make and flow and stir the inside water of water tank when pendulum page or leaf pivoted, the use of bell mouth is being cooperated, ensure to avoid impurity constantly to deposit the accumulation and cause the pollution at the bottom of the case under the prerequisite that does not influence with the water supply velocity of flow, and whole stirring process does not need the drive of external force, more energy-conservation and environmental protection, reduce energy consumption and use cost.
2. This energy-concerving and environment-protective secondary water supply system, the use of mechanism is prevented blockking up in the water purification, at first, the support through the adhesion spring sends out vertical groove and latent groove with sealing plug and arc piece, let the running water can normally be taken out from, flow in through vertical groove and horizontal groove promptly and be used for supplying water for the user with the inner chamber of water tank, at the in-process of drawing water, the running water at first can direct impact on the adhesion spring, the many rings of wire of adhesion spring can play adhesion impurity and some plankton of breeding, play the effect of filtering the water purification.
3. The energy-saving and environment-friendly secondary water supply system is characterized in that the six flow pendulum pages correspond to the six arc-shaped sheets through the matching use of the flow pendulum pages, the circulation grooves on the flow pendulum pages are sequentially staggered, the arc-shaped sheets are sequentially compressed one by one during rotation, the arc-shaped sheets can continuously compress the adhesion springs, the arc-shaped sheets can reset when the flow pendulum pages are separated from the arc-shaped sheets, the adhesion springs also perform the actions of compression and resetting in the compression and resetting processes, impurities and easily precipitated substances in tap water can be gradually adhered to metal wires of the adhesion springs in the flowing process along with the continuous increase of water using time, and some bred floating matters bred in water are adhered to the metal wires of the adhesion springs together with the adhering matters, a plurality of metal wires deform, and the adhering matters and the bred floating matters on the metal wires can be continuously rolled, along with the increase of adherends, the grinding force of deformation between the metal wires on the metal wires is gradually increased, the metal wires can grind breeding plankton adhered to the metal wires through the increase of the pressure while crushing the adherends, and a plurality of metal wires clamp the breeding plankton adhered to the metal wires to play a certain purifying role.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the water storage tank of the present invention;
FIG. 3 is a schematic structural view of an anti-settling mechanism of the present invention;
FIG. 4 is a cross-sectional view of the water storage tank of the present invention;
FIG. 5 is a schematic structural view of a water purifying anti-clogging mechanism according to the present invention;
FIG. 6 is an enlarged view taken at B of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of a door of the present invention;
fig. 8 is a schematic structural diagram of the locking mechanism of the present invention.
In the figure: 1 water storage tank, 101 water inlet, 102 sealing groove, 103 horizontal groove, 2 box door, 201 mounting groove, 202 sealing strip, 3 water tank, 301 pipeline interface, 4 anti-settling mechanism, 401 buoyancy cylinder, 402 flow swing page, 403 circulation groove, 404 taper hole, 405 minor axis, 406 elastic plate, 407 bearing, 501 vertical groove, 502 spacing column, 503 sealing plug, 504 adhesion spring, 505 arc piece, 506 hidden groove, 601 holding groove, 602 locking hole, 603 dismounting piece, 604 locking rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides an energy-concerving and environment-protective secondary water supply system, includes storage water tank 1, prevents deposiing mechanism 4 and water purification and prevents blockking up the mechanism, prevents deposiing mechanism 4 and sets up in the bottom of 1 inner chamber of storage water tank, and the water purification prevents blockking up the right side that the mechanism set up in 1 inner chamber bottom of storage water tank, certainly, designs on the right side in this scheme to can not set up on its left side, the key lie in only design in one side can, avoid inside rivers to cause and prevent deposiing mechanism 4 motion disorder or not rotate.
The anti-settling mechanism 4 comprises a buoyancy cylinder 401, a flow pendulum blade 402 and tapered holes 404, wherein the flow pendulum blade 402 is fixedly arranged on the outer wall of the buoyancy cylinder 401 at equal intervals, and the tapered holes 404 are formed in the surface of the flow pendulum blade 402.
The water purification anti-blocking mechanism comprises an arc-shaped sheet 505, a sealing plug 502, a limiting column 503 and an adhesion spring 504, wherein the top of the sealing plug 502 is fixedly connected with the bottom of the arc-shaped sheet 505, the top of the limiting column 503 is fixedly connected with the bottom of the sealing plug 502, the adhesion spring 504 is sleeved on the outer ring of the limiting column 503, the arc-shaped sheet 505 is movably clamped in the inner cavity of the hidden groove 506, the sealing plug 503, the limiting column 502 and the adhesion spring 504 are all arranged in the inner cavity of the vertical groove 501, wherein the sealing plug 502 mainly acts on limiting the position of the arc-shaped sheet 505, and the size of the sealing plug 502 is the same as that of the inner cavity of the vertical groove 501, so that the arc-shaped sheet 505 is not easy to shake when descending.
Wherein, water inlet 101 has been seted up at the back of storage water tank 1, and seal groove 102 has all been seted up around storage water tank 1 is positive, and the bottom of storage water tank 1 inner wall is provided with locking mechanism, and chamber door 2 is installed through the hinge in storage water tank 1's front, and useful water tank 3 is installed to storage water tank 1's bottom, and the inner chamber of using water tank 3 is linked together with horizontal groove 103, and pipeline interface 301 is installed in the front of using water tank 3.
In this embodiment, the water inlet 101 is mainly connected to a municipal water supply pipeline for supplying water, and the water tank 3 is a connected water supply pipeline for supplying water to a user.
Six hidden grooves 506 are formed in the right side of the bottom of the inner wall of the water storage tank 1 at equal intervals, a vertical groove 501 is formed in the inner wall of each hidden groove 506, and a horizontal groove 103 is formed in the bottom of each vertical groove 501.
In this embodiment, the invisible groove 506 mainly functions to accommodate the arc-shaped piece 505, so that the arc-shaped piece 505 is flush with the inner wall of the water storage tank 1 after being compressed, and the unsmooth rotation of the flow guide vane caused by excessive rubbing of the flow guide vane 402 is avoided.
The locking mechanism comprises an accommodating groove 601, locking holes 602, a locking rod 604 and a dismounting piece 603, the accommodating groove 601 is formed in the bottom of the inner wall of the water storage tank 1, the locking holes 602 are formed in the inner wall of the accommodating groove 601 at equal intervals, the locking rod 604 is installed in an inner cavity of the locking hole 602 in a penetrating mode, the bottom of the dismounting piece 603 is fixedly connected with the top of the locking rod 604, the right side of the locking hole 602 is communicated with the inner cavity of the horizontal groove 103, and the right end of the locking rod 604 is inserted between metal wires of the adhesion spring 504.
In this embodiment, the locking mechanism mainly functions to fix the entire anti-clogging mechanism, and the locking rod 604 is directly inserted between the plurality of wires to fix the bottom of the adhesion spring 504 and the bottom of the horizontal groove 103, thereby providing a stress point.
Wherein, mounting groove 201 has all been seted up to the bottom at the chamber door 2 and the 1 inner wall back of storage water tank, 2 back fixedly connected with sealing strips 202 of chamber door.
In this embodiment, the sealing strip 202 is mainly used in cooperation with the sealing groove 102, so that the box door 2 can ensure the sealing property when being closed, and the water leakage is avoided while the breeding of plankton and impurities can be prevented from entering the water tank.
Wherein, the both ends of buoyancy section of thick bamboo 401 all fixedly connected with minor axis 405, are provided with elastic plate 406 on the outer lane of minor axis 405, and the cover is equipped with bearing 407 on the outer lane of minor axis 405, and bearing 407 installs the inner chamber in mounting groove 201, and circulation groove 403 has been seted up on the side of circulation pendulum page 402.
In this embodiment, the buoyancy cylinder 401 is a hollow cylinder, which is light enough to ensure that the short shaft 405 at only one end is inserted into the inner cavity of the bearing 407 and does not tilt or fall off, and the light enough weight can also reduce the resistance of the water flow to drive the rotation of the cylinder, so as to rotate more smoothly, reduce the overall weight, and facilitate installation and replacement, the elastic plate 406 is directly inserted into the inner cavity of the bearing 407, and the friction between the short shaft 405 and the inner wall of the bearing 407 is increased by using the tension, the flow grooves 403 are designed to be sequentially staggered on each flow flap 402, and when the flow flap 402 rotates, five of the flow grooves 403 are just matched with the positions of the arc pieces 505, that is, each flow flap 402 can only contact one arc piece 505 when rotating, and sequentially contact and press the arc pieces 505 from front to back.
The working principle is as follows: when water is used, water flow generated by pumping water directly impacts on the flow pendulum blade 402, the flow pendulum blade 402 is driven to rotate by the water flow, so that the water in the water tank is stirred when the flow pendulum blade 402 rotates, the tapered hole 404 is matched with the use of the tapered hole 404, firstly, the tapered hole 404 firstly has the function of enabling the water at the upper part of the water tank to flow into the bottom to ensure the water pumping amount, secondly, the tapered design can also increase the impact force of the water flow on the flow pendulum blade 402 to provide power for the rotation of the flow pendulum blade 402 to ensure that impurities are prevented from continuously precipitating and accumulating at the bottom of the tank on the premise of not influencing the flow rate of the water to be supplied, the sealing plug 503 and the arc piece 505 are conveyed out of the vertical groove 501 and the invisible groove 506 by the support of the adhesion spring 504, tap water can flow into the opening at the top of the vertical groove 501, tap water can be normally pumped out, namely flows into the inner cavity of the water tank 3 through the vertical groove 501 and the horizontal groove 103 to supply water to users, in the process of pumping water, tap water firstly directly impacts an adhesion spring 504, multiple circles of metal wires of the adhesion spring 504 can adhere impurities and some bred suspended matters, six flow flaps 402 correspond to six arc-shaped pieces 505, circulation grooves 403 in each flow flap 402 are staggered in sequence, the arc-shaped pieces 505 are compressed one by one in rotation, the arc-shaped pieces 505 can continuously compress the adhesion spring 504, when the flow flaps 402 are separated from the arc-shaped pieces 505, the arc-shaped pieces 505 can reset, in the compression and resetting process, the adhesion spring 504 is also compressed and reset, and multiple metal wires clamp the bred suspended matters adhered to the adhesion spring.
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 (9)

1. The utility model provides an energy-concerving and environment-protective secondary water supply system, includes storage water tank (1), prevents deposiing mechanism (4) and water purification and prevents blockking up the mechanism, its characterized in that: the anti-sedimentation mechanism (4) is arranged at the bottom of the inner cavity of the water storage tank (1), and the water purification anti-blocking mechanism is arranged on the right side of the bottom of the inner cavity of the water storage tank (1);
the anti-settling mechanism (4) comprises a buoyancy cylinder (401), a flow pendulum blade (402) and tapered holes (404), the flow pendulum blade (402) is fixedly arranged on the outer wall of the buoyancy cylinder (401) at equal intervals, and the tapered holes (404) are formed in the surface of the flow pendulum blade (402);
the water purification anti-blocking mechanism comprises an arc-shaped sheet (505), a sealing plug (502), a limiting column (503) and an adhesion spring (504), wherein the top of the sealing plug (502) is fixedly connected with the bottom of the arc-shaped sheet (505), the top of the limiting column (503) is fixedly connected with the bottom of the sealing plug (502), and the adhesion spring (504) is sleeved on the outer ring of the limiting column (503).
2. The energy-saving and environment-friendly secondary water supply system according to claim 1, characterized in that: the water inlet (101) has been seted up at the back of storage water tank (1), seal groove (102) have all been seted up all around to storage water tank (1) is positive, the bottom of storage water tank (1) inner wall is provided with locking mechanism, chamber door (2) are installed through the hinge in the front of storage water tank (1), useful water tank (3) are installed to the bottom of storage water tank (1).
3. The energy-saving and environment-friendly secondary water supply system according to claim 1 or 2, characterized in that: the water storage tank is characterized in that a hidden groove (506) is formed in the right side of the bottom of the inner wall of the water storage tank (1), a vertical groove (501) is formed in the inner wall of the hidden groove (506), and a horizontal groove (103) is formed in the bottom of the vertical groove (501).
4. The energy-saving and environment-friendly secondary water supply system according to claim 2, characterized in that: locking mechanism includes holding tank (601), locking hole (602), locking lever (604) and dismouting piece (603), the bottom at storage water tank (1) inner wall is seted up in holding tank (601), locking hole (602) equidistance is seted up on the inner wall of holding tank (601), the inner chamber in locking hole (602) is installed to locking lever (604) run-through, the bottom of dismouting piece (603) and the top fixed connection of locking lever (604).
5. The energy-saving and environment-friendly secondary water supply system according to claim 2 or 4, characterized in that: mounting grooves (201) have all been seted up to the bottom at chamber door (2) and storage water tank (1) inner wall back, chamber door (2) back fixedly connected with sealing strip (202).
6. An energy-saving and environment-friendly secondary water supply system as claimed in claim 1, 2 or 4, wherein: the buoyancy cylinder is characterized in that short shafts (405) are fixedly connected to two ends of the buoyancy cylinder (401), an elastic plate (406) is arranged on an outer ring of each short shaft (405), a bearing (407) is sleeved on the outer ring of each short shaft (405), the bearing is installed in an inner cavity of the installation groove (201), and a circulation groove (403) is formed in the side edge of the flow pendulum leaf (402).
7. The energy-saving and environment-friendly secondary water supply system according to claim 2 or 4, characterized in that: the inner cavity of the water tank (3) is communicated with the left end of the horizontal groove (103), and the front surface of the water tank (3) is provided with a pipeline interface (301).
8. An energy-saving and environment-friendly secondary water supply system as claimed in claim 1, 2 or 4, wherein: the arc-shaped sheet (505) is movably clamped in the inner cavity of the hidden groove (506), and the sealing plug (503), the limiting column (502) and the adhesion spring (504) are all arranged in the inner cavity of the vertical groove (501).
9. The energy-saving and environment-friendly secondary water supply system according to claim 4, characterized in that: the right side of the locking hole (602) is communicated with the inner cavity of the horizontal groove (103), and the right end of the locking rod (604) is inserted between the metal wires of the adhesion spring (504).
CN202110679657.5A 2021-06-18 2021-06-18 Energy-concerving and environment-protective secondary water supply system Active CN113266056B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210086447U (en) * 2019-06-06 2020-02-18 新昌县城关宾立机械厂 Large-traffic anti-clogging bar-shaped floor drain
CN210285134U (en) * 2019-05-28 2020-04-10 上海远禾环保科技有限公司 Small-scale sewage shunting, storing and conveying device
CN111705900A (en) * 2018-08-28 2020-09-25 蒋晓进 Anti-blocking hair treatment equipment and treatment method for toilet floor drain
CN112058597A (en) * 2020-09-15 2020-12-11 南京利硕斯机电设备有限公司 Anti-dripping type integrated circuit production equipment
KR20210006799A (en) * 2019-07-09 2021-01-19 김인철 Synthetic resin recycled metal sorting device
CN212453003U (en) * 2020-01-02 2021-02-02 闫森 Road drainage device for preventing sludge blockage
CN112709202A (en) * 2020-12-25 2021-04-27 重庆昕晟环保科技有限公司 Energy-concerving and environment-protective device of decontaminating for hydraulic engineering

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111705900A (en) * 2018-08-28 2020-09-25 蒋晓进 Anti-blocking hair treatment equipment and treatment method for toilet floor drain
CN210285134U (en) * 2019-05-28 2020-04-10 上海远禾环保科技有限公司 Small-scale sewage shunting, storing and conveying device
CN210086447U (en) * 2019-06-06 2020-02-18 新昌县城关宾立机械厂 Large-traffic anti-clogging bar-shaped floor drain
KR20210006799A (en) * 2019-07-09 2021-01-19 김인철 Synthetic resin recycled metal sorting device
CN212453003U (en) * 2020-01-02 2021-02-02 闫森 Road drainage device for preventing sludge blockage
CN112058597A (en) * 2020-09-15 2020-12-11 南京利硕斯机电设备有限公司 Anti-dripping type integrated circuit production equipment
CN112709202A (en) * 2020-12-25 2021-04-27 重庆昕晟环保科技有限公司 Energy-concerving and environment-protective device of decontaminating for hydraulic engineering

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