CN110344473B - Municipal water replenishing facility for road cleaning or greening maintenance and control method - Google Patents

Municipal water replenishing facility for road cleaning or greening maintenance and control method Download PDF

Info

Publication number
CN110344473B
CN110344473B CN201910560599.7A CN201910560599A CN110344473B CN 110344473 B CN110344473 B CN 110344473B CN 201910560599 A CN201910560599 A CN 201910560599A CN 110344473 B CN110344473 B CN 110344473B
Authority
CN
China
Prior art keywords
water
tank
pump
filtering tank
water filtering
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
Application number
CN201910560599.7A
Other languages
Chinese (zh)
Other versions
CN110344473A (en
Inventor
来剑锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Xinghe ecological garden Engineering Co.,Ltd.
Original Assignee
李�杰
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李�杰 filed Critical 李�杰
Priority to CN201910560599.7A priority Critical patent/CN110344473B/en
Publication of CN110344473A publication Critical patent/CN110344473A/en
Application granted granted Critical
Publication of CN110344473B publication Critical patent/CN110344473B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/04Methods or installations for obtaining or collecting drinking water or tap water from surface water
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
    • E03B7/074Arrangement of water treatment devices

Abstract

The invention discloses a municipal facility, in particular to a municipal water replenishing facility for road cleaning or greening maintenance, which comprises a basic dam, a water replenishing tank, a main water filtering tank, an auxiliary water filtering tank and a lifting device, wherein the main water filtering tank comprises a tank body and a cover plate covered on the tank body, and a plurality of permeation devices are arranged on the cover plate; the infiltration device includes that the integral type sets up the mouth of pipe on the apron, the sleeve pipe of cover outside the mouth of pipe and from the top down cooperate in proper order to set up at intraductal toper cover, sand bag, filter plate, filtration membrane and the supporting network, the top surface of vice water filter jar is equipped with the district of intaking that the round formed by the filter screen cover, inlet tube two on be equipped with the flexible section that can cooperate vice water filter jar to go up and down. The facility can provide sufficient clean water source for users (watering cars, watering cars and the like), and can be directly used for road cleaning and greening watering, so that water supplementing is more convenient. The invention also discloses a control method of the water supplementing facility, and the main water filtering tank and the auxiliary water filtering tank can supply water cooperatively.

Description

Municipal water replenishing facility for road cleaning or greening maintenance and control method
Technical Field
The invention relates to a municipal facility, in particular to a municipal water replenishing facility for road cleaning or greening maintenance and a control method.
Background
In municipal works, road cleaning and urban greening both need a large amount of water, a sprinkler needs to water roads, urban greening also needs to water, water replenishing of the sprinkler is very critical, tap water is certainly not available, cost is too high, and waste is caused.
The water is taken from a nearby river channel very considerable, water can be directly pumped from the river channel through the water pump, the water pump is very convenient, the cost is saved, and the water pump has no cleaning function, impurities, floating objects, sludge and the like in the river water can be possibly pumped in the water pumping process, so that the water source is not available in municipal engineering, the environment is easily polluted, the water pump is easily damaged, a large amount of suspended matters are precipitated in a water tank of a waterwheel, the water tank is also damaged, and the mode of directly taking water is not advisable; or the water can be extracted from the river channel with better water quality, and the water cannot be used in the river channel generally.
Because the technical problems exist in the prior art and affect the use, the prior art needs to be improved.
In addition, if the filtration membrane is used for purifying a water source in a permeation mode, the filtration membrane should be cleaned conveniently, so that the later cleaning is facilitated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a municipal water replenishing facility capable of providing sufficient clean water sources is designed for road cleaning or greening maintenance.
The scheme adopted by the invention for solving the technical problems is as follows:
a municipal water replenishing facility for road cleaning or greening maintenance comprises a foundation dam, a water replenishing tank, a main water filtering tank, an auxiliary water filtering tank and a lifting device, wherein the water replenishing tank is arranged on the foundation dam, a vent hole is formed in the top of the water replenishing tank, a water outlet pipe is connected below the water replenishing tank, a water outlet pump and a water outlet valve are arranged on the water outlet pipe, and a pipe joint is arranged at the end part of the water outlet pipe; the upper part of the water replenishing tank is also connected with a first water inlet pipe and a second water inlet pipe; the water inlet pipe I is communicated with the main water filtering tank, the water inlet pipe II is communicated with the auxiliary water filtering tank, a pump body and a check valve are arranged on the water inlet pipe I and the water inlet pipe II, the pump body on the water inlet pipe I is a pump I, and the pump body on the water inlet pipe II is a pump II; the main water filtering tank comprises a tank body and a cover plate covered on the tank body, the tank body of the main water filtering tank is buried in a riverbed, an exhaust pipe extending out of the river surface is arranged on the cover plate of the main water filtering tank, and an exhaust valve is arranged on the exhaust pipe; a plurality of permeation devices are arranged on the cover plate;
the side surface of the foundation dam is also provided with a lifting guide sleeve, a lifting plate is arranged in the lifting guide sleeve, the lifting device drives the lifting plate to lift, the bottom of the lifting plate is provided with a base plate, the auxiliary water filtering tank is fixedly arranged on the base plate, the top of the auxiliary water filtering tank is provided with an exhaust port, the tank body of the auxiliary water filtering tank is provided with an upper convex ring and a lower convex ring, a water filtering jacket is arranged between the upper convex ring and the lower convex ring, and the area of the auxiliary water filtering tank covered by the water filtering jacket is fully distributed with water inlet holes;
the method is characterized in that:
the infiltration device comprises a pipe orifice integrally arranged on the cover plate, a sleeve sleeved outside the pipe orifice, and a conical cover, a sand bag, a filter plate, a filter membrane and a support net which are sequentially arranged in the sleeve in a matched manner from top to bottom;
a water inlet pipe is arranged at the top of the conical cover, a water inlet valve is arranged on the water inlet pipe, and first clamping strips are arranged at two ends of the conical cover;
the sand bag is arranged in the first outer frame, two ends of the first outer frame are provided with second clamping strips, and filter sand is filled in the sand bag;
the two ends of the filter plate are provided with a third clamping strip, and filter holes are fully distributed on the filter plate;
the filtering membrane is arranged in the outer frame II, and the two ends of the outer frame II are provided with clamping strips IV;
the supporting net is arranged in the outer frame III, and the two ends of the outer frame III are provided with five clamping strips;
the inner wall of the sleeve is provided with a left clamping groove and a right clamping groove, and the first clamping strip, the second clamping strip, the third clamping strip, the fourth clamping strip and the fifth clamping strip are sequentially clamped into the clamping grooves on the corresponding sides; the clamping strip positioned at the upper part is placed on the clamping strip positioned at the lower part, and the bottom of the five clamping strips is erected on the cover plate; a first accommodating area for the sand bag to expand is arranged between the first outer frame and the filter plate, a second accommodating area for the filtering membrane to expand is arranged between the third outer frame and the second outer frame, and the third outer frame is placed on the pipe orifice; the bottom of the sand bag is arranged on the filter plate, and the bottom of the filter membrane is arranged on the support net;
the top surface of the auxiliary water filtering tank is provided with a circle of water inlet area formed by covering the filter screen, and the second water inlet pipe is provided with a telescopic section capable of being matched with the auxiliary water filtering tank to lift.
The further scheme of the invention is as follows:
the top of the exhaust pipe is an inverted U-shaped pipe opening.
The lifting device comprises a frame-shaped frame, a motor, a screw rod and a lifting block, the lifting block is limited in the frame and can be lifted, a screw hole in the center of the lifting block is in threaded fit with the screw rod, the upper part and the lower part of the screw rod are arranged in bearings of an upper crosspiece and a lower crosspiece in the frame in a penetrating manner, and the motor is fixedly arranged at the bottom in the frame and is in transmission connection with the screw rod; the side surface of the lifting block is connected with the top of the lifting plate, and a neutral area for the lifting block to pass through is arranged on the rack.
And the second water inlet pipe is fixed at the top of the lifting device.
The bottom of the main water filtering tank body is provided with a lower convex cavity, and the pipe orifice of the first water inlet pipe is positioned in the lower convex cavity.
The side wall of the base dam is provided with a notch for the water inlet pipe to pass through.
The longitudinal section of the filter hole is in a shape with a big top and a small bottom.
And a backflow pipe is arranged between the water replenishing tank and the exhaust pipe, and a backflow pump and a backflow valve are arranged on the backflow pipe.
Compared with the prior art, the invention has the beneficial effects that: the main water filtering tank is used for permeating and storing water, so that the existence of suspended matters is greatly reduced, sufficient clean water sources can be provided for users (watering cars, watering cars and the like), the water source is directly used for road cleaning and greening watering, a pump body cannot be damaged, the environment cannot be easily polluted, and precipitates cannot be easily generated in a water tank; when the water quantity of the main water filtering tank is insufficient, the auxiliary water filtering tank with the filtering function is matched with water supplement, so that the situation that water can be supplemented without water is not easy to occur, and the use is more flexible and convenient; on the other hand, the infiltration device is very convenient to assemble and disassemble, is sequentially clamped and disassembled, is very convenient to install at the initial stage, can operate by one frogman or two frogmans during later-stage maintenance, and can be effectively cleaned by taking out the sand bag and the filtering membrane together with the outer frame so as to be used for a long time.
The invention also designs a control method of the municipal water replenishing facility for road cleaning or greening maintenance, which supplies water to an external user by a water replenishing tank, replenishes water for the water replenishing tank by a main water filtering tank and an auxiliary water filtering tank, replenishes water from the main water filtering tank to the water replenishing tank when a pump I works, and replenishes water from the auxiliary water filtering tank to the water replenishing tank when a pump II works, and is characterized by comprising the following measures:
the liquid level of the water replenishing tank is HA, the water outlet pump can be started when HA is more than A1, otherwise, the water replenishing tank cannot work;
when HA is not more than A2, water is supplemented into the water supplementing tank, and water is stopped from being supplemented into the water supplementing tank until HA is not less than A3; when water is not replenished after the water replenishing is started for a period of time T, a fault is prompted, and a user is asked to replenish water to the fault;
wherein, A3> A2> A1;
the water replenishing into the water replenishing tank comprises the following measures:
the liquid level of the main water filtering tank is HC, the first pump can be started when HC is more than C1, otherwise, the first pump cannot work;
the liquid level of the secondary water filtering tank is HB, and the second pump can be started when the HB is greater than B1, otherwise, the second pump cannot work;
when HC is greater than C3, the first pump is fully started, the second pump is stopped, and the main water filtering tank is used for supplementing water;
when HC is more than or equal to C2 and less than or equal to C3, the first pump is opened by three quarters, the second pump is opened, the first pump is an adjustable pump, the rotating speed of the second pump is fixed, the main water filtering tank supplies water, the auxiliary water filtering tank supplies water in a coordinated manner, and the first pump is opened by three quarters to reduce the output water volume of the main water filtering tank in unit time;
c1< HC < C2 and HB > B1, pump one is turned on for a quarter, and pump two is turned on; the auxiliary water filtering tank is used for supplying water by main force, the pump I is opened by one fourth, and water infiltrated in the main water filtering tank in the period of time is output to the water supplementing tank; the water output in unit time when the first pump is opened by one fourth is approximately the same as the water permeated in the main water filtering tank in the same time;
c1< HC < C2 and HB is less than or equal to B1, stopping the first pump and the second pump; the water supply of the main water filtering tank and the water supply of the auxiliary water filtering tank are stopped because the water amount is insufficient;
when B1 is more than HB and less than or equal to B2, the elevator drives the auxiliary water filtering tank to descend to enable the water inlet area to be submerged into the river surface, and river water enters the auxiliary water filtering tank from the filter screen to supplement water;
wherein, C3> C2> C1.
The control method of the municipal water replenishing facility designed by the invention has the beneficial effects that: the main water filtering tank and the auxiliary water filtering tank can supply water in a coordinated manner, the water source of the main water filtering tank is clean and is used as a main force, the auxiliary water filtering tank also has a filtering function, and the auxiliary water filtering tank is matched with the main water filtering tank when the water source of the main water filtering tank is urgent, so that on one hand, a user can be ensured to have water to be supplemented, and on the other hand, time can be won for the main water filtering tank to; the water supply mode is more reasonable; meanwhile, when the water source of the main water filtering tank supplies water to the auxiliary water filtering tank, a certain amount of water can be still provided for dilution, so that the water finally provided for a user is as clean as possible; the auxiliary water filtering tank can sink to the bottom of river surface, and a water inlet area is arranged on the upper part of the auxiliary water filtering tank to feed water quickly, so that the situation that water is not available and ground can be supplemented is reduced as much as possible, and the use is more flexible.
Drawings
The accompanying drawings are included to provide a further understanding of the invention,
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic view of the construction of the permeation device;
FIG. 3 is a schematic view of the permeation device with components removed;
FIG. 4 is a schematic view of a conical shroud;
FIG. 5 is a schematic view of a support net;
FIG. 6 is a schematic view of the lifting device and the auxiliary water filtration tank;
FIG. 7 is a schematic structural view of embodiment 2;
the reference numbers in the figures are as follows:
a base dam 1 and a notch 11;
the water replenishing tank 2, the air vent 21, the water outlet pipe 22, the water outlet pump 23, the water outlet valve 24, the pipe joint 25, the first water inlet pipe 26, the second water inlet pipe 27, the first pump 28, the second pump 29 and the telescopic section 210;
the main water filtering tank 3, a cover plate 31, an exhaust pipe 32, an exhaust valve 33 and a lower convex cavity 34;
the auxiliary water filtering tank 4, an exhaust port 41, a convex ring 42, a water filtering jacket 43, a water inlet hole 44, a filter screen 45, a water inlet area 46 and a reinforcement 47;
the lifting device 5, a lifting guide sleeve 51, a lifting plate 52, a seat plate 53, a frame 54, a motor 55, a screw rod 56, a lifting block 57, a crosspiece 58 and a neutral area 59;
the infiltration device 6, the pipe orifice 61, the sleeve 62 and the clamping groove 621;
the conical cover 63, the water inlet pipe 631, the water inlet valve 632 and the clamping strip I633;
the sand bag 64, the filter sand 641, the first outer frame 642 and the second clamping strip 643;
filter plate 65, third card strip 651, filter hole 652;
a filter membrane 66, an outer frame II 661, and a clamping strip IV 662;
a support net 67, an outer frame three 671 and a clamping strip five 672;
a first accommodating area 68 and a second accommodating area 69;
a reflux pipe 7, a reflux pump 71 and a reflux valve 72.
Detailed Description
The invention is further described by way of example with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, the municipal water replenishing facility for road cleaning described in this embodiment includes a base dam 1, a water replenishing tank 2, a main water filtering tank 3, an auxiliary water filtering tank 4 and a lifting device 5, where the water replenishing tank 2 is disposed on the base dam 1, a vent 21 is disposed at the top of the water replenishing tank 2, the vent 21 allows air to enter when the water replenishing tank 2 delivers water to the outside, a water outlet pipe 22 is connected below the water replenishing tank 2, a water outlet pump 23 and a water outlet valve 24 are disposed on the water outlet pipe 22, and a pipe joint 25 is disposed at the end of the water outlet pipe 22; the upper part of the water replenishing tank 2 is also connected with a first water inlet pipe 26 and a second water inlet pipe 27; the first water inlet pipe 26 is communicated with the main water filtering tank 3, the second water inlet pipe 27 is communicated with the auxiliary water filtering tank 4, pump bodies and check valves are arranged on the first water inlet pipe 26 and the second water inlet pipe 27 (valves can be additionally arranged on the first water inlet pipe 26 and the second water inlet pipe 27 if necessary), the pump body on the first water inlet pipe 26 is a first pump 28, and the pump body on the second water inlet pipe 27 is a second pump 29; the first pump 28 and the second pump 29 are both suitable for adopting submersible pumps, the main water filtering tank 3 comprises a tank body and a cover plate 31 covering the tank body, the tank body of the main water filtering tank 3 is buried in a river bed, an exhaust pipe 32 extending out of the river surface is arranged on the cover plate 31 of the main water filtering tank 3, and an exhaust valve 33 is arranged on the exhaust pipe 32; a plurality of permeation devices 6, four in fig. 1, are arranged on the cover plate 31, and in the actual use process, more permeation devices may be provided, such as 8 permeation devices and 10 permeation devices;
as shown in fig. 6, a lifting guide sleeve 51 is further arranged on the side surface of the foundation dam 1, a lifting plate 52 is arranged in the lifting guide sleeve 51, the lifting device 5 drives the lifting plate 52 to lift, a seat plate 53 is arranged at the bottom of the lifting plate 52, the auxiliary water filtering tank 4 is fixedly arranged on the seat plate 53, an exhaust port 41 is arranged at the top of the auxiliary water filtering tank 4, two upper and lower rings of convex rings 42 are arranged on the tank body of the auxiliary water filtering tank 4, a water filtering jacket 43 is arranged between the two upper and lower rings of convex rings 42, and a water inlet hole 44 is fully distributed in the area of the auxiliary water filtering tank 4 covered by the water filtering; river water can enter the auxiliary water filtering tank 4 through the water filtering jacket 43 and the water inlet hole 44;
the method is characterized in that:
as shown in fig. 2 and 3, the infiltration device 6 comprises a nozzle 61 integrally arranged on the cover plate 31, a sleeve 62 sleeved outside the nozzle 61, and a conical cover 63, a sand bag 64, a filter plate 65, a filter membrane 66 and a support net 67 which are arranged in the sleeve 62 in a matching manner from top to bottom;
as shown in fig. 4, a water inlet pipe 631 is disposed at the top of the conical cover 63, a water inlet valve 632 is disposed on the water inlet pipe 631, and a first clamping strip 633 is disposed at two ends of the conical cover 63;
the sand bag 64 is arranged in the first outer frame 642, two clamping strips 643 are arranged at two ends of the first outer frame 642, and the filter sand 641 is arranged in the sand bag 64; the filtering sand 641 may be coarse sand on the upper layer, fine sand on the lower layer, or both fine sands;
two ends of the filter plate 65 are provided with three clamping strips 651, and filter holes 652 are fully distributed on the filter plate 65;
the filtering membrane 66 is arranged in the outer frame second 661, and the two ends of the outer frame second 661 are provided with four clamping strips 662;
as shown in fig. 5, the support net 67 is installed in the outer frame three 671, and two ends of the outer frame three 671 are provided with five fastening strips 672;
the outer frames referred to above serve the purpose of arranging the required components (sand bags 64, filter membranes 66, etc.) and are shaped to fit the casing, just inside it, making the structure more stable.
A left clamping groove 621 and a right clamping groove 621 are formed in the inner wall of the sleeve 62, and the first clamping strip 633, the second clamping strip 643, the third clamping strip 651, the fourth clamping strip 662 and the fifth clamping strip 672 are sequentially clamped into the clamping grooves 621 on the corresponding sides; the clamping strip positioned at the upper part is placed on the clamping strip positioned at the lower part, and the bottom of the five clamping strips 672 is erected on the cover plate 31; a first accommodating area 68 for unfolding the sand bag 64 is arranged between the first outer frame 642 and the filter plate 65, a second accommodating area 69 for unfolding the filter membrane 66 is arranged between a third outer frame 671 and a second outer frame 661, and the third outer frame 671 is placed on the pipe orifice 61; the bottom of the sand bag 64 is arranged on the filter plate 65, and the bottom of the filter membrane 66 is arranged on the support net 67; with the structure, when the cleaning tool is installed, the cleaning tool only needs to be sequentially clamped into the sleeve 62 from top to bottom, and when maintenance is needed, a frogman only needs to take out the cleaning tool from top to bottom one by one, and parts needing to be cleaned are conveyed to the water; the support is very convenient, and meanwhile, all the parts are mutually supported and are arranged in the sleeve in a matched manner, so that all the parts are relatively stable; the first accommodating area 68 frees up space for the sand bag 64 to expand, filter sand can be placed as much as possible to ensure the coarse filtering effect, and the second accommodating area 69 frees up space for the filter membrane 66 to expand, so that the filtering area of the filter membrane 66 can be enlarged as much as possible, and the filtering efficiency is improved; the filter plate 65 is used for supporting the sand bag 64 and preventing the sand bag 64 from being damaged, the support net 67 is used for supporting the filter membrane 66 and preventing the filter membrane 664 from being damaged, and the support net 67 can be made of stainless steel mesh; the sand bag 64 may be made of metal fiber cloth or asbestos cloth, and the filter plate 65 may be made of stainless steel plate.
The top surface of the auxiliary water filtering tank 4 is provided with a circle of water inlet area 46 covered by the filter screen 45, the position of the water inlet area 46 below the filter screen 45 is provided with a reinforcement 47 for connecting the two ends, and the second water inlet pipe 27 is provided with a telescopic section 210 which can be matched with the auxiliary water filtering tank 4 to lift; the telescopic section 210 may be a telescopic tube or a deformable hose, and has a telescopic function to match the lifting of the secondary water filtering tank 4.
In particular, the method comprises the following steps of,
the top of the exhaust pipe 32 is an inverted U-shaped pipe orifice; the pipe opening faces downwards, so that foreign matters can be prevented from falling into the exhaust pipe 32 from top to bottom, obviously, the opening at the top of the exhaust pipe 32 can also face upwards, and a protective cover can be arranged at the top of the exhaust pipe 32 so as to achieve the effect of preventing the foreign matters from falling into the exhaust pipe 32 from top to bottom;
as shown in fig. 6, the lifting device 5 includes a frame-shaped frame 54, a motor 55, a screw rod 56 and a lifting block 57, the lifting block 57 is limited in the frame 54 and can be lifted, a screw hole at the center of the lifting block 57 is in threaded fit with the screw rod 56, the upper part and the lower part of the screw rod 56 are inserted into bearings of an upper crosspiece 58 and a lower crosspiece 58 in the frame 54, and the motor 55 is fixedly arranged at the bottom in the frame 54 and is in transmission connection with the screw rod 56; the side surface of the lifting block 57 is connected with the top of the lifting plate 52, and the frame 54 is provided with a neutral area 59 through which the lifting block 57 passes. The motor 55 drives the screw rod 56 to rotate, because the lifting block 57 is limited in the rack 54 and can not rotate, but the central screw hole of the lifting block 57 is in threaded fit with the screw rod 56, when the screw rod 56 rotates, the lifting block 57 does lifting motion, the neutral area 59 gives space for the lifting block 57 to lift, and the lifting block 57 can drive the lifting plate to lift up and down; obviously, the structure of the lifting device 5 is not limited thereto, and a hydraulic lifter of the related art may be used. It should be noted that: the secondary filter tank 4 is located in the water and is influenced by buoyancy, and in fact, the secondary filter tank 4 is not "heavy", so that the requirement for the capacity of the lifting device 5 can be relatively reduced.
The second water inlet pipe 27 is fixed at the top of the lifting device 5. The arrangement mode can effectively improve the stability of the second water inlet pipe 27; of course, it is also possible to provide the second inlet conduit 27 with a separate support.
The bottom of the main water filtering tank 3 is provided with a lower convex cavity 34, and the nozzle of the first water inlet pipe 26 is positioned in the lower convex cavity 34. The lower convex cavity 34 is positioned at the lowest part of the tank body, the lower convex cavity 34 can basically ensure that water exists, and the nozzle of the water inlet pipe I26 is positioned in the lower convex cavity 34, so that the pump can be prevented from being damaged in an idle running mode due to no water pumping, and the safety is high. Obviously, if the lower convex cavity 34 is not provided, the nozzle of the first water inlet pipe 26 should be positioned as low as possible in the tank body to ensure that water can be sucked.
The side wall of the base dam 1 is provided with a notch 11 for passing a first inlet pipe 26. The notch 11 is provided for the first water inlet pipe 26 to pass through, the first pump and the check valve can be arranged in the notch 11, the installation and the maintenance are convenient, obviously, the notch 11 is not provided, and the first water inlet pipe 26 can be arranged along the side wall of the base dam.
The longitudinal section of the filter hole 652 is in a shape with a large top and a small bottom, and the opening of the shape is large, so that river water can pass through the filter hole 652 from top to bottom; small convex points can be upset on the surface of the filter plate to prevent the filter holes from being pressed too tightly by the sand bag to influence the efficiency of water passing; it is obvious that the filter holes 652 are straight holes, which is also possible.
When the watering cart for cleaning municipal roads is used, for example, the pipe joint 25 on the water outlet pipe 22 is communicated with a water tank of the watering cart, the water outlet valve 24 is opened, water in the water replenishing tank 2 can be replenished into the watering cart by starting the water outlet pump 23, after the watering cart is replenished with water, a task can be immediately executed, and when water in the water tank is used up, water is replenished to the next water replenishing facility; the water supplementing facility is flexible in arrangement, low in requirement on places, and capable of saving much financial resources compared with a scheme of using tap water, after the facility is arranged, the city appearance is not affected, one water supplementing point can be arranged in a river channel 5-10 kilometers away, water supplementing points are increased, water supplementing is very convenient for a sprinkler, water can be supplemented while the sprinkler is opened, and in the water supplementing process of the sprinkler, the water supplementing tank 2 can be supplemented by the first water inlet pipe 26 or the water inlet pipe 27, and the water supplementing facility can be controlled to be completed through manual operation. Similarly, the user can be a plant watering cart for urban greening maintenance. Wherein, the water quality in the main water filtering tank 3 is superior to that in the auxiliary water filtering tank 4, when the water is supplemented, the main water filtering tank 3 is taken as the main water filtering tank, and the auxiliary water filtering tank 4 is taken as the auxiliary water filtering tank.
The working principle of the main water filtering tank 3 is as follows: since the main water filtering tank 3 is buried in the river bed and is located under water, but the main water filtering tank 3 is communicated with the space above the water through the exhaust pipe 32 extending out of the river surface, under the condition that the water inlet valve 632 of the infiltration device 6 is opened, the river water enters the infiltration device 6 from the water inlet pipe 631 of the conical cover 63, is firstly subjected to rough filtration by the filter sand 641 in the sand bag 64 to filter out part of impurities, then passes through the filter plate 65 downwards to realize fine filtration by the filter membrane 66 to effectively remove the impurities, so that the river water is pure, the pure river water passes through the support net and then enters the main water filtering tank 3 through the pipe port 61 to be accumulated, thus, the river water continuously permeates into the main water filtering tank 3, the air in the main water filtering tank 3 is discharged at a proper time, the inner space thereof is filled with clean water to be used as a water source of a water supplementing tank to be supplied to users (watering cars), and the river water is excellent in quality and is suitable as clean water, not easy to pollute the environment and not easy to deposit in the water tank. The good filtering performance of the main water filtering tank 3 enables the facility to be still used in a river channel with dirty water quality and more impurities or a river with more sand content during flowing, and the applicability is wide.
When the water quality of the river is poor or polluted (mainly, the soluble harmful substances in the river exceed the standard), the data can be obtained through manual field detection or the river data can be obtained through a municipal river water quality detection center, once the river exceeds the standard, the water inlet valve 632 can be manually controlled to be closed, the exhaust valve 33 can be manually controlled to be closed, at the moment, the river cannot effectively enter the main water filtering tank 3, the air in the main water filtering tank 3 cannot be exhausted, therefore, the main water filtering tank 3 is basically in a 'turn-off' state, and the river can not easily enter the main water filtering tank 3 to store water any more.
The working principle of the auxiliary water filtering tank 4 is as follows: the water filtering jacket 43 is under the river surface at ordinary times, the river water is filtered by the water filtering jacket 43 and then enters the tank body, and when the auxiliary water filtering tank 4 sinks, the river water can directly and rapidly flow into the auxiliary water filtering tank 4 through the water inlet area 46 with the filter screen 45. The filter screen 45 is different from the water filtering jacket 43, and the filter screen 45 is provided to block large suspended matters and floating matters, so that rapid water replenishing is the first requirement.
The filtering capacity of the filtering component involved in the invention should be: the filtering membrane 66 is preferably a water filtering membrane commonly used in industry, 641 times filtering sand, 43 times filtering jacket (e.g. cotton jacket 43), 45 times filtering net (e.g. stainless steel net).
To the moisturizing of user (watering lorry), can accomplish through the manual work, the sanitation worker manual control pump one and the pump two of operation watering lorry promptly to and go out the water pump, under the lower condition of 3 liquid levels of water filtering tank of owner, can be earlier with vice water filtering tank moisturizing or watering lorry water tank moisturizing one half water, or direct next moisturizing point, and it is decided according to the circumstances. The liquid level display can be arranged on the site, liquid level sensors are additionally arranged in the main water filtering tank 3 and the auxiliary water filtering tank 4 to transmit signals for sanitation workers to refer to, and what needs to be described is that the liquid level sensors are additionally arranged in the main water filtering tank, the auxiliary water filtering tank and the water supplementing tank and are used for displaying, so that the liquid level display is a simple existing mature technology and is not specifically detailed.
In addition, when the user is a greening vehicle for urban greening maintenance and for watering the green plants beside the road, the facility in the embodiment can be called as follows: a municipal water replenishing facility for greening maintenance.
Example 2:
as shown in fig. 7, the municipal water replenishing facility for road cleaning or greening maintenance described in this embodiment is substantially the same as that of embodiment 1, except that: a backflow pipe 7 is arranged between the water replenishing tank 2 and the exhaust pipe 32, and a backflow pump 71 and a backflow valve 72 are arranged on the backflow pipe 7.
Because the assembly characteristic of the infiltration device 6, it is not strictly sealed, even when the inlet valve 632 is closed, it is not strictly closed, therefore, when the river exceeds standard, let the main water filtration tank 3 in the off state, except closing the discharge valve 33, can also open the backflow pump 71 and the backflow valve 72, pump some water from the water make-up tank 2 to the main water filtration tank 3, compress the air volume that the main water filtration tank 3 contains, increase the internal atmospheric pressure, can further reduce the possibility that the river enters inside like this, increase and shut off the effect, and the backflow pump 71 and the backflow valve 72 are closed at ordinary times, do not influence and use.
Example 3:
the present embodiment describes a control method of the municipal water replenishing facility for road cleaning or greening maintenance, which is different from the manual control method in embodiment 1, and adopts an automatic control method, specifically, the method supplies water from the water replenishing tank 2 to an external user, replenishes water from the main water filtering tank 3 and the auxiliary water filtering tank 4 to the water replenishing tank 2, replenishes water from the main water filtering tank 3 to the water replenishing tank 2 when the first pump 28 is operated, and replenishes water from the auxiliary water filtering tank 4 to the water replenishing tank 2 when the second pump 29 is operated, and is characterized by comprising the following measures:
the water replenishing tank 2 HAs a liquid level of HA, the water outlet pump 23 can be started when HA is more than A1, otherwise, the water replenishing tank cannot work; this step is intended to protect the water outlet pump 23;
when HA is less than or equal to A2, water is supplemented into the water supplementing tank 2, and when HA is more than or equal to A3, water is supplemented into the water supplementing tank 2; when water is not replenished after the water replenishing is started for a period of time T, a fault is prompted, and a user is asked to replenish water to the fault;
wherein, A3> A2> A1; such as: a1 is 1/8 of full scale, A2 is 1/4 of full scale, A3 is 3/4 of full scale; the values of A3, A2 and A1 can vary according to actual conditions;
the water replenishing into the water replenishing tank 2 comprises the following measures:
the liquid level of the main water filtering tank 3 is HC, the first pump 28 can be started when HC is more than C1, otherwise, the first pump cannot work; the first pump 28 is protected from idle driving;
the liquid level of the auxiliary water filtering tank 4 is HB, and the second pump 29 can be started when the HB is greater than B1, otherwise, the second pump cannot work; the second pump 29 is protected from idle driving; b1 takes 1/12 of the full level.
When HC is more than C3, the first pump 28 is fully opened, the second pump 29 is stopped, and water is supplemented by the main water filtering tank 3; because the water source of the main water filtering tank 3 is sufficient at this time;
when HC is more than or equal to C2 and less than or equal to C3, the first pump 28 is opened by three quarters, the second pump 29 is opened, the first pump 28 is an adjustable pump, the rotating speed of the second pump 29 is fixed, the main water filtering tank 3 supplies water, the auxiliary water filtering tank 4 supplies water in a coordinated manner, and the first pump 28 is opened by three quarters to reduce the output water volume of the main water filtering tank 3 in unit time; at the moment, the water fed into the water replenishing tank is the mixture of the two types of water, and the purity is still guaranteed;
c1< HC < C2 and HB > B1, pump one 28 is on one quarter, pump two 29 is on; the auxiliary water filtering tank 4 is used for supplying water mainly, the first pump 28 is opened by one fourth, and water infiltrated in the main water filtering tank 3 in the period of time is output to the water supplementing tank 2; the output water amount in unit time when the first pump 28 is set to be one fourth of the input water amount and the water amount permeated by the main water filtration tank 3 in the same time are approximately the same, and approximately the same can be 0.8 to 1.2 times of the output water amount, the output water amount can be realized by selecting the conveying capacity of the first pump, and the permeated water amount can be obtained by pre-calculation; in the step, the water fed into the water replenishing tank is still the mixture of two kinds of water, and although the water discharged from the main water filtering tank 3 is reduced, the purity is still guaranteed;
c1< HC < C2 and HB is less than or equal to B1, stopping the first pump 28 and the second pump 29; the water supply of the main water filtering tank 3 and the water supply of the auxiliary water filtering tank 4 are stopped because the water quantity is insufficient;
when B1 is more than HB and less than or equal to B2, the elevator drives the auxiliary water filtering tank 4 to descend to enable the water inlet area 46 to be submerged into the river surface, and river water enters the auxiliary water filtering tank 4 from the filter screen 45 to supplement water; b2 is 1/8 of the full level, and this value is also variable.
Wherein, C3> C2> C1. C3 is 4 th of full scale, C2 is 1 st 8 th of full scale, and C1 is 1 st 12 th of full scale. Obviously, the values of C3, C2 and C1 may vary according to actual conditions.
According to the automatic control water replenishing method, the main water filtering tank 3 and the auxiliary water filtering tank 4 can supply water in a coordinated manner, the main water filtering tank 3 is used as a main force when the water source is clean, the auxiliary water filtering tank 4 also has a filtering function and is matched with the main water filtering tank 3 when the water source is in emergency, so that on one hand, a user can be ensured to have water for replenishing, and on the other hand, time can be won for the main water filtering tank 3 to permeate and store water; the water supply mode is more reasonable; meanwhile, when the water source of the main water filtering tank 3 supplies water to the auxiliary water filtering tank 4, a certain amount of water can be provided for dilution, so that the water finally provided for a user is as clean as possible.
However, both an automatically controlled water replenishing method and a manually controlled water replenishing method are possible.
This embodiment is applicable to urban afforestation maintenance equally, and the afforestation car of usefulness of watering for the green plant of road limit also can supply the water source through this facility, facilitates the use.

Claims (9)

1. A municipal water replenishing facility for road cleaning or greening maintenance comprises a base dam (1), a water replenishing tank (2), a main water filtering tank (3), an auxiliary water filtering tank (4) and a lifting device (5), wherein the water replenishing tank (2) is arranged on the base dam (1), the top of the water replenishing tank (2) is provided with a vent hole (21), the lower part of the water replenishing tank (2) is connected with a water outlet pipe (22), the water outlet pipe (22) is provided with a water outlet pump (23) and a water outlet valve (24), and the end part of the water outlet pipe (22) is provided with a pipe joint (25); the upper part of the water replenishing tank (2) is also connected with a first water inlet pipe (26) and a second water inlet pipe (27); the water inlet pipe I (26) is communicated with the main water filtering tank (3), the water inlet pipe II (27) is communicated with the auxiliary water filtering tank (4), pump bodies and check valves are arranged on the water inlet pipe I (26) and the water inlet pipe II (27), the pump body on the water inlet pipe I (26) is a pump I (28), and the pump body on the water inlet pipe II (27) is a pump II (29); the main water filtering tank (3) comprises a tank body and a cover plate (31) covered on the tank body, the tank body of the main water filtering tank (3) is buried in a riverbed, an exhaust pipe (32) extending out of the river surface is arranged on the cover plate (31) of the main water filtering tank (3), and an exhaust valve (33) is arranged on the exhaust pipe (32); a plurality of permeation devices (6) are arranged on the cover plate (31);
the side surface of the foundation dam (1) is further provided with a lifting guide sleeve (51), a lifting plate (52) is arranged in the lifting guide sleeve (51), the lifting device (5) drives the lifting plate (52) to lift, a base plate (53) is arranged at the bottom of the lifting plate (52), the auxiliary water filtering tank (4) is fixedly arranged on the base plate (53), an exhaust port (41) is arranged at the top of the auxiliary water filtering tank (4), an upper convex ring and a lower convex ring (42) are arranged on a tank body of the auxiliary water filtering tank (4), a water filtering jacket (43) is arranged between the upper convex ring and the lower convex ring (42), and a water inlet hole (44) is fully distributed in an area, covered by the water filtering jacket (43), of the auxiliary water filtering tank (4;
the method is characterized in that:
the infiltration device (6) comprises a pipe orifice (61) integrally arranged on the cover plate (31), a sleeve (62) sleeved outside the pipe orifice (61), and a conical cover (63), a sand bag (64), a filter plate (65), a filter membrane (66) and a support net (67) which are sequentially matched and arranged in the sleeve (62) from top to bottom;
a water inlet pipe (631) is arranged at the top of the conical cover (63), a water inlet valve (632) is arranged on the water inlet pipe (631), and first clamping strips (633) are arranged at two ends of the conical cover (63);
the sand bag (64) is arranged in the first outer frame (642), two clamping strips (643) are arranged at two ends of the first outer frame (642), and the filtering sand (641) is arranged in the sand bag (64);
two ends of the filter plate (65) are provided with a third clamping strip (651), and filter holes (652) are fully distributed on the filter plate (65);
the filtering membrane (66) is arranged in the outer frame II (661), and the two ends of the outer frame II (661) are provided with clamping strips IV (662);
the supporting net (67) is arranged in the outer frame III (671), and two ends of the outer frame III (671) are provided with five clamping strips (672);
a left clamping groove and a right clamping groove (621) are formed in the inner wall of the sleeve (62), and the first clamping strip (633), the second clamping strip (643), the third clamping strip (651), the fourth clamping strip (662) and the fifth clamping strip (672) are sequentially clamped into the clamping grooves (621) on the corresponding sides; the clamping strip positioned at the upper part is placed on the clamping strip positioned at the lower part, and the bottom of the five clamping strips (672) is erected on the cover plate (31); a first accommodating area (68) for unfolding the sand bag (64) is arranged between the first outer frame (642) and the filter plate (65), a second accommodating area (69) for unfolding the filter membrane (66) is arranged between a third outer frame (671) and the second outer frame (661), and the third outer frame (671) is placed on the pipe orifice (61); the bottom of the sand bag (64) is arranged on the filter plate (65), and the bottom of the filter membrane (66) is arranged on the support net (67);
the top surface of vice drainage jar (4) is equipped with a circle and is covered into water district (46) that form by filter screen (45), inlet tube two (27) on be equipped with flexible section (210) that can cooperate vice drainage jar (4) to go up and down.
2. The municipal water replenishing facility for road cleaning or greening maintenance according to claim 1, wherein: the top of the exhaust pipe (32) is an inverted U-shaped pipe opening.
3. The municipal water replenishing facility for road cleaning or greening maintenance according to claim 1, wherein: the lifting device (5) comprises a frame-shaped rack (54), a motor (55), a screw rod (56) and a lifting block (57), wherein the lifting block (57) is limited in the rack (54) and can be lifted, a screw hole in the center of the lifting block (57) is in threaded fit with the screw rod (56), the upper part and the lower part of the screw rod (56) are arranged in bearings of an upper crosspiece (58) and a lower crosspiece (58) in the rack (54) in a penetrating manner, and the motor (55) is fixedly arranged at the inner bottom of the rack (54) and is in transmission connection with the screw rod (56); the side surface of the lifting block (57) is connected with the top of the lifting plate (52), and a neutral area (59) for the lifting block (57) to pass through is arranged on the rack (54).
4. The municipal water replenishing facility for road cleaning or greening maintenance according to claim 1, wherein: the second water inlet pipe (27) is fixed to the top of the lifting device (5).
5. The municipal water replenishing facility for road cleaning or greening maintenance according to claim 1, wherein: the bottom of the main water filtering tank (3) is provided with a lower convex cavity (34), and the nozzle of the first water inlet pipe (26) is positioned in the lower convex cavity (34).
6. The municipal water replenishing facility for road cleaning or greening maintenance according to claim 1, wherein: the side wall of the base dam (1) is provided with a notch (11) for a first water inlet pipe (26) to pass through.
7. The municipal water replenishing facility for road cleaning or greening maintenance according to claim 1, wherein: the longitudinal section of the filter hole (652) is in a shape with a big top and a small bottom.
8. The municipal water replenishing facility for road cleaning or greening maintenance according to any one of claims 1 to 7, wherein: a backflow pipe (7) is arranged between the water replenishing tank (2) and the exhaust pipe (32), and a backflow pump (71) and a backflow valve (72) are arranged on the backflow pipe (7).
9. A method of controlling a municipal water supply facility for road cleaning or maintenance of green according to claim 1, wherein the water supply tank (2) supplies water to an external user, the water supply tank (2) is replenished with water from the main water filtration tank (3) and the sub water filtration tank (4), the water is replenished from the main water filtration tank (3) into the water supply tank (2) when the pump one (28) is operated, and the water is replenished from the sub water filtration tank (4) into the water supply tank (2) when the pump two (29) is operated, the method comprising the steps of:
the liquid level of the water replenishing tank (2) is HA, the water outlet pump (23) can be started when HA is more than A1, otherwise, the water replenishing tank cannot work;
when HA is less than or equal to A2, water is supplemented into the water supplementing tank (2), and water is stopped being supplemented into the water supplementing tank (2) until HA is more than or equal to A3; when water is not replenished after the water replenishing is started for a period of time T, a fault is prompted, and a user is asked to replenish water to the fault;
wherein, A3> A2> A1;
the water replenishing into the water replenishing tank (2) comprises the following measures:
the liquid level of the main water filtering tank (3) is HC, and the first pump (28) can be started when HC is more than C1, otherwise, the first pump cannot work;
the liquid level of the auxiliary water filtering tank (4) is HB, and the second pump (29) can be started when the HB is greater than B1, otherwise, the second pump cannot work;
when HC is more than C3, the first pump (28) is fully opened, the second pump (29) is stopped, and water is supplemented by the main water filtering tank (3);
when HC is more than or equal to C2 and less than or equal to C3, the first pump (28) is opened by three quarters, the second pump (29) is opened, the first pump (28) is an adjustable pump, the rotating speed of the second pump (29) is fixed, the main water filtering tank (3) supplies water, the auxiliary water filtering tank (4) supplies water in a coordinated manner, and the first pump (28) is opened by three quarters to reduce the output water volume of the main water filtering tank (3) in unit time;
c1< HC < C2 and HB > B1, pump one (28) is on one quarter, pump two (29) is on; the auxiliary water filtering tank (4) is used for supplying water mainly, the first pump (28) is opened by one fourth, and water infiltrated in the main water filtering tank (3) in the period of time is output to the water supplementing tank (2); wherein, the water output in unit time when the first pump (28) is set to be opened by one quarter is approximately the same as the water permeated in the main water filtering tank (3) in the same time;
c1< HC < C2 and HB is less than or equal to B1, stopping the first pump (28) and the second pump (29); the water quantity of the main water filtering tank (3) and the water quantity of the auxiliary water filtering tank (4) are insufficient, so that water supply is stopped;
when B1 is more than HB and less than or equal to B2, the elevator drives the auxiliary water filtering tank (4) to descend to enable the water inlet area (46) to submerge into the river surface, and river water enters the auxiliary water filtering tank (4) from the filter screen (45) to supplement water;
wherein, C3> C2> C1.
CN201910560599.7A 2019-06-26 2019-06-26 Municipal water replenishing facility for road cleaning or greening maintenance and control method Active CN110344473B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910560599.7A CN110344473B (en) 2019-06-26 2019-06-26 Municipal water replenishing facility for road cleaning or greening maintenance and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910560599.7A CN110344473B (en) 2019-06-26 2019-06-26 Municipal water replenishing facility for road cleaning or greening maintenance and control method

Publications (2)

Publication Number Publication Date
CN110344473A CN110344473A (en) 2019-10-18
CN110344473B true CN110344473B (en) 2021-02-26

Family

ID=68183103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910560599.7A Active CN110344473B (en) 2019-06-26 2019-06-26 Municipal water replenishing facility for road cleaning or greening maintenance and control method

Country Status (1)

Country Link
CN (1) CN110344473B (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2321822Y (en) * 1997-11-04 1999-06-02 艾蓉 Counter-flushing type permeable energy-saving composite water-obtaining device
US9133593B2 (en) * 2010-07-23 2015-09-15 Basavaraj Mahadevaiah Stationary boom support system
JP6138594B2 (en) * 2013-06-04 2017-05-31 日立造船株式会社 Mobile suspended solids recovery equipment for seawater infiltration.
CN104328820B (en) * 2014-11-21 2016-03-30 中国工程物理研究院材料研究所 A kind of infiltration water fetching device
JP2016142121A (en) * 2015-02-02 2016-08-08 有限会社安藤電気製作所 Down pipe device with water pressure rise pipe
JP6530205B2 (en) * 2015-03-12 2019-06-12 日立造船株式会社 Seepage water intake system
KR101551903B1 (en) * 2015-06-12 2015-09-09 주식회사 탑이엔씨 Easy maintenance type sprinkling apparatus in tunnel for road
CN206873381U (en) * 2017-06-27 2018-01-12 宿迁洁丽环保设备制造有限公司 A kind of simple cleaning of moisturizing in time sprinkling truck
CN208634046U (en) * 2018-06-22 2019-03-22 南京永川混凝土有限公司 A kind of river water extraction safety device
CN109024440A (en) * 2018-08-03 2018-12-18 安徽省皖工电动车科技有限公司 A kind of electric sanitation that can be fetched water on the spot sweeps waterwheel
CN109440873A (en) * 2018-10-24 2019-03-08 西安兴仪科技股份有限公司 A kind of Multifunctional rain collection fire cistern system

Also Published As

Publication number Publication date
CN110344473A (en) 2019-10-18

Similar Documents

Publication Publication Date Title
RU57358U1 (en) PLASTIC PRESSURE SUPPORT SYSTEM
CN105625295B (en) Foundation ditch water recharge system
CN106395938A (en) Storm sewage treatment process and system for old area of city
CN201635168U (en) Automatic upgrading device for sewage of rest room of basement
CN206768898U (en) A kind of efficient urban water conservancy project Accrete clearing device
CN205182284U (en) Gravity type valveless filter
CN110344473B (en) Municipal water replenishing facility for road cleaning or greening maintenance and control method
CN103833170A (en) Air flotation and turntable integrated sewage treatment device
CN205109407U (en) Forward filters negative pressure and causes ultrafiltration device
CN204723866U (en) Hydroturbine repulsive-type maglev Microfilter
CN201687078U (en) Sewage hoisting equipment with single pump for basement
CN110286616B (en) Water replenishing facility for municipal road cleaning or urban greening maintenance and control method
CN204502547U (en) Floating self-cleaning micro-filtration before pump
CN210764448U (en) Oily sewage cleaning equipment
CN106582072A (en) Movable split physical purifying machine for river water
CN203700089U (en) Air floatation and rotary plate integrated sewage treatment device
CN206395852U (en) A kind of cleaning grille pool structure
CN206705899U (en) Integrated depth-averaged model equipment
CN220715112U (en) Novel sewage filtering and purifying device
CN218492681U (en) Integrated preset pump station
CN106582073A (en) Fixed physical purifying machine for river water
CN205569851U (en) Seawater desalination uses horizontal filter for installation
CN215670011U (en) Sponge city regulation and storage structure
CN220978307U (en) Anti-blocking sewage lifting equipment
CN213313676U (en) Early warning rinse-system is carried to filtration liquid

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20210202

Address after: Group 3, Rixin village, dututang Town, Lianyuan City, Loudi City, Hunan Province

Applicant after: Li Jie

Address before: 311200 6-1-802, Rongxing Junjia yuan, Beigan street, Xiaoshan District, Hangzhou City, Zhejiang Province

Applicant before: Laijianfeng

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210607

Address after: 510000 room 2104 2, No. 6, Yuli street, Nansha District, Guangzhou City, Guangdong Province (office only)

Patentee after: Guangzhou Xinghe ecological garden Engineering Co.,Ltd.

Address before: Group 3, Rixin village, dututang Town, Lianyuan City, Loudi City, Hunan Province

Patentee before: Li Jie

TR01 Transfer of patent right