CN104594452A - Tap water high and low pressure compensation equipment with automatic cleaning function - Google Patents
Tap water high and low pressure compensation equipment with automatic cleaning function Download PDFInfo
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- CN104594452A CN104594452A CN201410814771.4A CN201410814771A CN104594452A CN 104594452 A CN104594452 A CN 104594452A CN 201410814771 A CN201410814771 A CN 201410814771A CN 104594452 A CN104594452 A CN 104594452A
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Abstract
The invention provides tap water high and low pressure compensation equipment with an automatic cleaning function. The equipment comprises a flow-stabilization compensator, a control cabinet and a water supply device. An automatic cleaning device is arranged inside the flow-stabilization compensator, and a negative pressure meter, a valve, a filter, a backflow prevention device, an anti-pollution isolating valve and an ozone generator are arranged between a tap water outlet and the inlet of the flow-stabilization compensator. A liquid level controller, an inlet pressure sensor and a vacuum suppressor are arranged at the top of the flow-stabilization compensator. The vacuum suppressor is externally connected with an energy storage device, an air release and inflation valve is arranged at the bottom of the flow-stabilization compensator, an air filtering device is arranged between the air release and inflation valve and the flow-stabilization compensator, an ultraviolet-hydrogen peroxide combination sterilization device, a screen filter and a remote transmission pressure gauge are arranged between the outlet of the flow-stabilization compensator and the water supply device, and a pressure-stabilization tank, an overpressure protection device, an outlet pressure sensor and a water outlet filter are arranged between the outlet of the water supply device and a pipe valve of a user. The tap water high and low pressure compensation equipment achieves the automatic cleaning function and ensures safety of water using.
Description
Technical field
The present invention relates to a kind of tap water high-low pressure compensation equipment with self-cleaning function, belong to hydrotechny field.
Background technology
Along with the development in city, highrise building second pressure water supply equipment and technology are updated, and in recent years, a kind of novel way of supplying water---non-negative pressure method of water supply is progressively promoted the use of.Usually, city planting ductwork pressure of supply water in cities and towns is all to meet common multistory building requirement to set Water Works pressure.Current urban architecture increases highly fast, and most building all must adopt second pressure water supply mode to meet water requirements.China's city secondary pressurization water supply mode experienced by four developing stage such as " reservoir, force (forcing) pump, water tower ", " reservoir, force (forcing) pump, high level cistern ", " reservoir, force (forcing) pump, air pressure tank " and " reservoir or water storage box, frequency control Pressure Unit ".
At present, we are common is such for Water flow-path: water factory of Running-water Company Jiang Shui be forced through Cemented filling to urban district each dry point, enter the storing facilities of water of each dry point, comprise concrete basin and water tank, each dry point is fetched water or is pressurizeed through frequency conversion from pond or water tank, directly supply user, or through pressurization, water is delivered to building high level cistern, then enter each user through gravity flow.This way of supplying water not only running cost high, waste energy, and tap water be long-term stored in water tank also can breed bacteria, cause the pollution of water quality.
The water quality safety of tap water affects the healthy of people, and the water resource of China is poorer, therefore, in order to further saving water resource, ensures water safety simultaneously, therefore non-negative pressure method of water supply pipeline apply in water supply field original more extensive.
Although non-negative pressure method of water supply application is more and more extensive, but yet there are some problems, the core of non-negative pressure method of water supply is exactly the high-low pressure compensation between tap water, to ensure non-negative pressure method of water supply, although some high-low pressures compensate and can realize high-low pressure compensation at present, but its relevant its sanitation and hygiene of high-low pressure compensation equipment are not very desirable, if the inadequate sanitation and hygiene of high-low pressure compensation equipment, so can the water quality supplied water be had a huge impact, also reduce the application life of this equipment simultaneously, add the expense that it is changed or keeps in repair, thus add cost.
Therefore, further guarantee, realizes the target of energy-saving and emission-reduction further, also in order to the healthy and social development of people, is necessary, researchs and develops a kind of tap water high-low pressure compensation equipment with self-cleaning function.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, provides a kind of tap water high-low pressure compensation equipment with self-cleaning function.
Technical scheme: in order to realize above object, a kind of tap water high-low pressure compensation equipment with self-cleaning function of the present invention, comprise steady flow compensator, switch board, water supply installation, described water supply installation comprises the stabilized voltage device and force (forcing) pump group that are connected in parallel, the inside of described steady flow compensator is provided with automatic flushing device, the top water inlet end of described steady flow compensator is provided with steady flow compensator import, described steady flow compensator import connects the tap water outlet of municipal government's pipe network, vacuum table is provided with successively between described tap water outlet and described steady flow compensator import, valve, strainer, backflow preventer, antifouling separative valves and ozone generator, the water inlet end at described steady flow compensator top is provided with fluid level controller, inlet pressure sensor and vacuum suppresser, the external accumulator of described vacuum suppresser, the bottom of described steady flow compensator is provided with cleaning blowoff valve and exhaust charge valve, air filter is provided with between described exhaust charge valve and described steady flow compensator, the water side, bottom of described steady flow compensator is provided with steady flow compensator outlet, described steady flow compensator outlet is connected with described water supply installation, ultraviolet-hydrogen peroxide combined disinfection device is also provided with successively between described steady flow compensator outlet and described water supply installation, well strainer and distance-transmission pressure gauge, the outlet of described water supply installation is provided with outlet pressure sensor, the outlet of described water supply installation is connected with user's pipe valve, vacuum tank is provided with successively between the outlet of described water supply installation and described user's pipe valve, overpressure protection apparatus, outlet pressure sensor and go out water filter, described user's pipe valve is connected with service pipe, described force (forcing) pump group is connected with described switch board all respectively with outlet pressure sensor.The vacuum table that the present invention is provided with at the water inlet end of steady flow compensator, valve, strainer, backflow preventer, antifouling separative valves, ozone generator, the vacuum table be provided with can be clear and definite the hydraulic pressure of real-time control tap water, strainer carries out filtration treatment to the tap water entered, some impurity in removing tap water and pollution, water quality safety can be guaranteed further, the backflow preventer be provided with can prevent the current caused because hydraulic pressure is unstable from flowing backwards thus causing the secondary pollution of tap water, the antifouling separative valves be provided with can cut off contaminated water quality in time, the water quality of further guarantee tap water, the ozone generator be provided with can carry out ozonization process to the tap water entered in steady flow compensator, purify water, the automatic flushing device that steady flow compensator inside is provided with can clean its inside thus the health of retainer inside automatically, and then ensure that the hygiene situation of its inner water storage, be provided with air filter bottom steady flow compensator and between exhaust charge valve, the cleannes of the air of steady flow compensator inside can be ensured, the pollution causing steady flow compensator inner air environment because of inflation exhaust can be prevented, steady flow compensator is provided with fluid level controller, inlet pressure sensor and vacuum suppresser, the fluid level controller be provided with can control the height of liquid level of tap water in steady flow compensator, the inlet pressure sensor be provided with can control the water flow pressure problem of import department in real time, the vacuum suppresser be provided with can destroy the formation of vacuum in steady flow compensator, prevent the water of tap water pipe network from accelerating to water filling in steady flow compensator, have impact on the normal operation of tap water pipe network, the external energy storage canister of vacuum suppresser further ensures the service behaviour of vacuum suppresser, steady flow compensator outlet is provided with ultraviolet-hydrogen peroxide combined disinfection device, can to the water outlet disinfection in steady flow compensator, and except ozone residual in anhydrating, the water quality safety of further guarantee, the well strainer be provided with carries out secondary filter removing impurity to the tap water through disinfecting on the one hand, also protect next step water supply installation simultaneously, can prevent the valve pipe in water supply installation from blocking because of impurity, impact is for water running, and the distance-transmission pressure gauge be provided with can the pressure condition of remote monitoring water outlet, the water supply installation be provided with comprises the stabilized voltage device and force (forcing) pump group that are connected in parallel, can select more rational way of supplying water flexibly, saved the energy according to actual water requirements, during in order to prevent low discharge at night, there is the frequent phenomenon playing termination of pumping, in the outlet of force (forcing) pump group, little vacuum tank being installed, when water system low discharge water, keep pipe network constant pressure a period of time, the overpressure protection apparatus be provided with is protected the pressure in pipeline, makes water supply condition more stable, the water filter that goes out be provided with filters further to water quality, ensures the safety and sanitation of user's water.
Described fluid level controller, vacuum suppresser, distance-transmission pressure gauge, outlet pressure sensor are connected with described switch board all respectively.
Described force (forcing) pump group comprises at least one group of main pump group and one group of auxiliary pump group, be connected in parallel all separately between described each pump group, described main pump group comprises main pump, described auxiliary pump group comprises auxiliary little pump, the import of described main pump and auxiliary little pump is all respectively equipped with valve and flexible coupling, described main pump and auxiliary little pump outlet be all respectively equipped with flexible coupling and flap valve.The main pump group be provided with is applied to water supply under normal circumstances, and the auxiliary pump group be provided with can deal with emergency situations, assists main pump group, also can enable auxiliary pump group when water supply volume is little, reaches water-saving object.
The material of described air filter is polytetrafluoroethylene (PTFE).Polytetrafluoroethylene (PTFE) excellent performance is pollution-free, and waterproof, corrosion-resistant, and application life is longer.
Described automatic flushing device comprises hydraulic jet grouting pipe, blow-off pipe, suction pipe, described hydraulic jet grouting pipe is vertically installed on the inside of described steady flow compensator, the two ends of described hydraulic jet grouting pipe are provided with hydraulic jet grouting automatic absorbing device, described blow-off pipe intersects vertically with described hydraulic jet grouting pipe and communicates, the both sides being up and down located at described blow-off pipe of described suction pipe vertical interlaced, the end of described suction pipe is provided with suction nozzle.Owing to entering tap water in steady flow compensator through a series of process, its water quality situation is better, the impurity contained is less, therefore the automatic cleaning apparatus that some are more violent is not suitable for, this automatic cleaning apparatus is the device of soil pick-up formula, gentle can realize the clean of steady flow compensator inside efficiently, also its inside not damaged simultaneously.
Described switch board is frequency-conversion control cabinet.
Described strainer is y-type filter.Filter effect is plain filter comparatively, and filter effect is better.
Described ultraviolet-hydrogen peroxide combined disinfection device 18 comprises first latter linked apparatus for ultraviolet disinfection and hydrogen peroxide disinfecting device.Sterilized with hydrogen peroxide by disinfection by ultraviolet light and combine, compared to being used alone disinfection by ultraviolet light, its Disinfection Effect is better, can, more deeply thoroughly except materials such as bacteriums residual in anhydrating, make to be that purification and sterilization is more thorough from the beginning; First apparatus for ultraviolet disinfection simultaneously, rear hydrogen peroxide disinfecting device, this is sequence of sterilization successively, maximizedly can realize Disinfection Effect.
Beneficial effect: the tap water high-low pressure compensation equipment with self-cleaning function provided by the invention compared with prior art, has the following advantages:
(1) the tap water high-low pressure compensation equipment with self-cleaning function of the present invention, make the water supply of pipe network realize non-negative pressure method of water supply, achieve the automated cleaning effect of water storage device simultaneously, compared to common cistern water supply equipment, save running cost, and prevent the long-term water storage of water tank to cause water pollution, and floor space is little, initial investment economizes, install simple, power failure can maintain water supply, can guarantee the water safety of user, reaches the object of energy-saving and emission-reduction simultaneously;
(2) the tap water high-low pressure compensation equipment with self-cleaning function of the present invention, water inlet end is provided with strainer, backflow preventer, antifouling separative valves, ozone generator, delivery port is provided with ultraviolet-hydrogen peroxide combined disinfection device, can prevent the secondary pollution at water source, ensure that water safety.
Accompanying drawing explanation
The structural representation with the tap water high-low pressure compensation equipment of self-cleaning function that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the automatic flushing device structural representation that in the embodiment of the present invention, steady flow compensator inside is installed;
In figure: 1-vacuum table, 2-valve, 3-strainer, 4-backflow preventer, 5-antifouling separative valves, 6-ozone generator, the import of 7-steady flow compensator, 8-fluid level controller, 9-inlet pressure sensor, 10-accumulator, 11-vacuum suppresser, 12-steady flow compensator, 13-automatic flushing device, 14-cleans blowoff valve, 15-steady flow compensator exports, 16-air filter, 17-is vented charge valve, 18-ultraviolet-hydrogen peroxide combined disinfection device, 19-well strainer, 20-distance-transmission pressure gauge, 21-flexible coupling, 22-main pump, 23-flap valve, 24-assists little pump, 25-vacuum tank, 26-overpressure protection apparatus, 27-outlet pressure sensor, 28-goes out water filter, 29-user's pipe valve, 30-switch board, 131-hydraulic jet grouting automatic absorbing device, 132-hydraulic jet grouting pipe, 133-blow-off pipe, 134-suction pipe, 135-suction nozzle.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail; but illustrate that protection scope of the present invention is not limited to the concrete scope of the present embodiment simultaneously; based on the embodiment in the present invention; those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As shown in Figure 1-2:
A kind of tap water high-low pressure compensation equipment with self-cleaning function, comprise steady flow compensator 12, switch board 30, water supply installation, described water supply installation comprises the stabilized voltage device and force (forcing) pump group that are connected in parallel, the inside of described steady flow compensator 12 is provided with automatic flushing device 13, the top water inlet end of described steady flow compensator 12 is provided with steady flow compensator import 7, described steady flow compensator import 7 connects the tap water outlet of municipal government's pipe network, vacuum table 1 is provided with successively between described tap water outlet and described steady flow compensator import 7, valve 2, strainer 3, backflow preventer 4, antifouling separative valves 5 and ozone generator 6, the water inlet end at described steady flow compensator 12 top is provided with fluid level controller 8, inlet pressure sensor 9 and vacuum suppresser 11, the external accumulator 10 of described vacuum suppresser 11, the bottom of described steady flow compensator 12 is provided with cleaning blowoff valve 11 and exhaust charge valve 17, air filter 16 is provided with between described exhaust charge valve 17 and described steady flow compensator 12, the water side, bottom of described steady flow compensator 12 is provided with steady flow compensator outlet 15, described steady flow compensator outlet 15 is connected with described water supply installation, ultraviolet-hydrogen peroxide combined disinfection device 18 is also provided with successively between described steady flow compensator outlet 15 and described water supply installation, well strainer 19 and distance-transmission pressure gauge 20, the outlet of described water supply installation is provided with outlet pressure sensor 27, the outlet of described water supply installation is connected with user's pipe valve 29, vacuum tank 25 is provided with successively between the outlet of described water supply installation and described user's pipe valve 29, overpressure protection apparatus 26, outlet pressure sensor 27 and go out water filter 28, described user's pipe valve 29 is connected with service pipe, described force (forcing) pump group and outlet pressure sensor 27 are connected with described switch board 30 all respectively.
Described fluid level controller 8, vacuum suppresser 11, distance-transmission pressure gauge 20, outlet pressure sensor 27 are connected with described switch board 30 all respectively.
Described force (forcing) pump group comprises two groups of group main pump groups and one group of auxiliary pump group, be connected in parallel all separately between described each pump group, described main pump group comprises main pump 22, described auxiliary pump group comprises auxiliary little pump 24, the import of described main pump 22 and auxiliary little pump 24 is all respectively equipped with valve and flexible coupling 21, described main pump 22 and auxiliary little pump 24 outlet be all respectively equipped with flexible coupling 21 and flap valve 23.
The material of described air filter 16 is polytetrafluoroethylene (PTFE).
Described automatic flushing device 13 comprises hydraulic jet grouting pipe 132, blow-off pipe 133, suction pipe 134, described hydraulic jet grouting pipe 132 is vertically installed on the inside of described steady flow compensator 12, the two ends of described hydraulic jet grouting pipe 132 are provided with hydraulic jet grouting automatic absorbing device 131, described blow-off pipe 133 intersects vertically with described hydraulic jet grouting pipe 132 and communicates, the both sides being up and down located at described blow-off pipe 133 of described suction pipe 134 vertical interlaced, described suction pipe 134 has four, the both sides being up and down distributed in described blow-off pipe 133 staggered between two, the end of described suction pipe 134 is provided with suction nozzle 135.
Described switch board 30 is frequency-conversion control cabinet.
Described strainer 3 is y-type filter.
The concrete running of the tap water high-low pressure compensation equipment with self-cleaning function of the present invention is as follows:
Steady flow compensator 12 in this supply channel is directly connected with municipal tap water pipe network, tap water enters from steady flow compensator import 7 and is stored in steady flow compensator 12, and eliminated by vacuum suppresser 11 and suppress vacuum, to prevent from producing negative pressure to municipal tap water pipe network, between steady flow compensator import 7 and tap water export, be provided with vacuum table 1 simultaneously, valve 2, strainer 3, backflow preventer 4, antifouling separative valves 5 and ozone generator 6, to monitor the water quality safety of intake pressure machine water inlet better, go out to be connected with ultraviolet-hydrogen peroxide combined disinfection device 18 in steady flow compensator outlet 12, to the water outlet in steady flow compensator 12 first carry out disinfection by ultraviolet light carry out again hydrogen peroxide sterilization (in disinfecting process can uitraviolet intensity at 113 μ W/cm
2, dosage 5mJ/cm
2, H
2o
2concentration gets 20 mg/L, disinfecting time is identical, be generally 20-25min), guarantee the water quality safety health of the water supply to user, current discharge pressure in distance-transmission pressure gauge 20 pairs of steady flow compensator 12 detects (pressure being equivalent to pipe network), the outlet pressure of outlet pressure sensor 27 pairs of water supply installations detects, when ductwork pressure is enough, the pressure value recorded is delivered in switch board 30 by outlet pressure sensor 27, switch board 30 controls main pump 22 and auxiliary little pump 24 cuts out, tap water direct was connected stabilized voltage device and was delivered in user pipe, when insufficient pressure, switch board 30 controls main pump 22 and pressurizes, supply the difference of pressure, as usual carry out to guarantee to supply water, when being in the water use peak phase, switch board 30 controls main pump 22 and auxiliary little pump 24 pressurizes simultaneously, to guarantee to supply water normally, when water supply volume is less, switch board 30 only can control auxiliary little pump 24 to carry out pressurizeing with energy conservation, steady flow compensator 12 is provided with fluid level controller 8 and can detects the water level of its inside water storage, fluid level controller 8 is connected with switch board 30, when water supply volume is greater than output, water storage in steady flow compensator 12 can replace traditional water tank replenish user water supply to use, now, the level value that fluid level controller 8 records slowly reduces, the numeral recorded when fluid level controller 8 lower than water storage under in limited time, switch board 30 controls steady flow compensator 12 to be stopped supplying water with supplementary water storage, when output can meet water supply use, switch board 30 controls steady flow compensator 12 and starts working, moisture storage capacity wherein slowly recovers normal, the water level that fluid level controller 8 records rises, in water system, be provided with vacuum tank 25, when can prevent low discharge at night, there is the frequent phenomenon playing termination of pumping, when guaranteeing system low discharge water, keep pipe network constant pressure a period of time.Be assigned in each user by user's pipe valve 29 after tap water supply eventually passes through pressurization.The current be fed in user also pass through water filter 28 and carry out last filtration treatment, to ensure to use the water hygiene.Steady flow compensator 12 is cores of whole invention, its inside is provided with automatic flushing device 13, can clean the inside of steady flow compensator 12, cleaning with guarantee period internal environment, current enter from steady flow compensator import 7, under the suction-operated of hydraulic jet grouting automatic absorbing device 131 by suction nozzle 135 and suction pipe 134 enter blow-off pipe 133 and finally enter into hydraulic jet grouting pipe 132 carry out churning clean, sewage after clean flows to cleaning blowoff valve 14 by blow-off pipe 133 and discharges steady flow compensator 12, air filter 16 is provided with between the bottom of steady flow compensator 12 and exhaust charge valve 17, the cleannes ensureing steady flow compensator 12 inner air environment can be filtered to the air of exhaust inflation, thus the spatter property of guarantee period water flow inside.
The tap water high-low pressure compensation equipment with self-cleaning function of the present invention, achieve non-negative pressure method of water supply, also achieve the automatic cleaning performance of water storage device simultaneously, compared to common cistern water supply equipment, save running cost, and prevent the long-term water storage of water tank to cause water pollution, and floor space is little, initial investment economizes, install simple, power failure can maintain water supply, can guarantee the water safety of user, reaches the object of energy-saving and emission-reduction simultaneously; The tap water high-low pressure compensation equipment with self-cleaning function of the present invention, is provided with its inner unique structure of strainer, backflow preventer and antifouling separative valves, ultraviolet-hydrogen peroxide combined disinfection device and steady flow compensator and can guarantees that water safety further saves water resource simultaneously.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its objective is to allow and is familiar with these those skilled in the art and can understands content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalents done by Spirit Essence of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (8)
1. one kind has the tap water high-low pressure compensation equipment of self-cleaning function, it is characterized in that: comprise steady flow compensator (12), switch board (30), water supply installation, described water supply installation comprises the stabilized voltage device and force (forcing) pump group that are connected in parallel, the inside of described steady flow compensator (12) is provided with automatic flushing device (13), the top water inlet end of described steady flow compensator (12) is provided with steady flow compensator import (7), described steady flow compensator import (7) connects the tap water outlet of municipal government's pipe network, vacuum table (1) is provided with successively between described tap water outlet and described steady flow compensator import (7), valve (2), strainer (3), backflow preventer (4), antifouling separative valves (5) and ozone generator (6), the water inlet end at described steady flow compensator (12) top is provided with fluid level controller (8), inlet pressure sensor (9) and vacuum suppresser (11), described vacuum suppresser (11) external accumulator (10), the bottom of described steady flow compensator (12) is provided with cleaning blowoff valve (11) and exhaust charge valve (17), air filter (16) is provided with between described exhaust charge valve (17) and described steady flow compensator (12), the water side, bottom of described steady flow compensator (12) is provided with steady flow compensator outlet (15), described steady flow compensator outlet (15) is connected with described water supply installation, ultraviolet-hydrogen peroxide combined disinfection device (18) is also provided with successively between described steady flow compensator outlet (15) and described water supply installation, well strainer (19) and distance-transmission pressure gauge (20), the outlet of described water supply installation is provided with outlet pressure sensor (27), the outlet of described water supply installation is connected with user's pipe valve (29), vacuum tank (25) is provided with successively between the outlet of described water supply installation and described user's pipe valve (29), overpressure protection apparatus (26), outlet pressure sensor (27) and go out water filter (28), described user's pipe valve (29) is connected with service pipe, described force (forcing) pump group is connected with described switch board (30) all respectively with outlet pressure sensor (27).
2. the tap water high-low pressure compensation equipment with self-cleaning function according to claim 1, is characterized in that: described fluid level controller (8), vacuum suppresser (11), distance-transmission pressure gauge (20), outlet pressure sensor (27) are connected with described switch board (30) all respectively.
3. the tap water high-low pressure compensation equipment with self-cleaning function according to claim 1, it is characterized in that: described force (forcing) pump group comprises at least one group of main pump group and one group of auxiliary pump group, be connected in parallel all separately between described each pump group, described main pump group comprises main pump (22), described auxiliary pump group comprises auxiliary little pump (24), the import of described main pump (22) and auxiliary little pump (24) is all respectively equipped with valve and flexible coupling (21), described main pump (22) and auxiliary little pump (24) outlet be all respectively equipped with flexible coupling (21) and flap valve (23).
4. the tap water high-low pressure compensation equipment with self-cleaning function according to claim 1, is characterized in that: the material of described air filter (16) is polytetrafluoroethylene (PTFE).
5. the tap water high-low pressure compensation equipment with self-cleaning function according to claim 1, it is characterized in that: described automatic flushing device (13) comprises hydraulic jet grouting pipe (132), blow-off pipe (133), suction pipe (134), described hydraulic jet grouting pipe (132) is vertically installed on the inside of described steady flow compensator (12), the two ends of described hydraulic jet grouting pipe (132) are provided with hydraulic jet grouting automatic absorbing device (131), described blow-off pipe (133) intersects vertically with described hydraulic jet grouting pipe (132) and communicates, the both sides being up and down located at described blow-off pipe (133) of described suction pipe (134) vertical interlaced, the end of described suction pipe (134) is provided with suction nozzle (135).
6. the tap water high-low pressure compensation equipment with self-cleaning function according to claim 1, is characterized in that: described switch board (30) is frequency-conversion control cabinet.
7. the tap water high-low pressure compensation equipment with self-cleaning function according to claim 1, is characterized in that: described strainer (3) is y-type filter.
8. the tap water high-low pressure compensation equipment with self-cleaning function according to claim 1, is characterized in that: described ultraviolet-hydrogen peroxide combined disinfection device (18) comprises first latter linked apparatus for ultraviolet disinfection and hydrogen peroxide disinfecting device.
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| CN201410814771.4A CN104594452B (en) | 2014-12-25 | 2014-12-25 | Tap water high and low pressure compensation equipment with automatic cleaning function |
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| CN201410814771.4A CN104594452B (en) | 2014-12-25 | 2014-12-25 | Tap water high and low pressure compensation equipment with automatic cleaning function |
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| CN105604136A (en) * | 2015-10-08 | 2016-05-25 | 浙江创美机电有限公司 | Constant-pressure non-negative pressure water supplying unit adopting permanent magnet synchronous motors |
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