CN206901901U - A kind of central water purifying system - Google Patents

Abstract

The utility model discloses a kind of central water purifying system of purifying water process technical field, including water-supply-pipe, flowmeter is installed on the water-supply-pipe, the left side of the flowmeter is provided with pre-filtering device, one section of water-supply-pipe on the right side of the water intaking valve is connected by bypass pipe with the waste pipe on the right side of centrally located water purifier, the outer wall of the bypass pipe is provided with the first wastewater valve, the water-supply-pipe is connected by connecting tube with pure water pipe, and non-return valve is installed in connecting tube, the right-hand member of the pure water pipe is connected by the top output port of bend pipe and central purifier, the utility model passes through the positive flushing to filter core in central purifier and backwash, impurity in central purifier inner filter core is washed away, extend the service life of central purifier inner filter core, reduce the number for changing filter core, reduce use cost.

Description

A kind of central water purifying system

Technical field

Purifying water process technical field is the utility model is related to, specially a kind of central water purifying system.

Background technology

In existing water cleaning systems, its water purification flow path is that the raw water device that undergoes ultrafiltration is changed into containing the net of mineral matter Water, it is changed into pure water through reverse osmosis unit, is removed the large particulate matter in raw water by pre-filtering device and pre-filtrating equipment, Microorganism, colloid, suspension and larger molecular organicses etc. are retained down by ultrafilter, the water after ultrafiltration apparatus filters into For the water purification containing mineral matter, reverse osmosis unit removes the ion in water, small molecule, turns into pure water.In above-mentioned water cleaning systems In filter membrane and filter core do not possess automatic cleaning function, just need to change after using more than certain time limit, frequently buy filter core Changed with the personnel of filter membrane and needs specialty, bring inconvenience to user, and add use cost.Therefore, We have proposed a kind of central water purifying system to come into operation, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of central water purifying system, showed with solve to propose in above-mentioned background technology Filter membrane and filter core in some water cleaning systems do not possess automatic cleaning function, just need to change after using more than certain time limit, frequency Numerous purchase filter core and filter membrane and need the personnel of specialty to be changed, bring inconvenience to user, and add and make The problem of with cost.

To achieve the above object, the utility model provides following technical scheme：A kind of central water purifying system, including water delivery Manage, flowmeter is installed on the water-supply-pipe, the left side of the flowmeter is provided with pre-filtering device, the pre-filtering device The output end in left side is connected by the left end of water-supply-pipe and central purifier, and water-supply-pipe is close to the outer wall of central purifier one end On water intaking valve is installed, one section of water-supply-pipe on the right side of the water intaking valve passes through bypass pipe and the waste water on the right side of centrally located water purifier Pipe is connected, and the right-hand member of one end of waste pipe and central purifier connects, one section close to central purifier of the waste pipe Second wastewater valve is installed on outer wall, the outer wall of the bypass pipe is provided with the first wastewater valve, the water-supply-pipe by connecting tube with Pure water pipe connects, and non-return valve is provided with connecting tube, the top that the right-hand member of the pure water pipe passes through bend pipe and central purifier Output end connects, and the left end of the pure water pipe is provided with water purifying valve, and water purifying valve is located at a left side for connecting tube and pure water pipe junction Side.

Preferably, the pre-filtering device includes housing, and the left and right ends of housing are arranged with water inlet and water outlet Mouthful, the inner chamber of the housing is uniformly provided with filter core, and is connected between two groups of adjacent filter cores by communicating pipe.

Preferably, the central purifier is made up of stainless steel casing, KDF composite filter elements and UF milipore filters.

Compared with prior art, the beneficial effects of the utility model are：The utility model passes through to being filtered in central purifier The positive flushing of core and backwash, wash away to the impurity in central purifier inner filter core, extend central purifier inner filter core Service life, the number for changing filter core is reduced, reduce use cost.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is that the utility model is just rinsing status architecture schematic diagram：

Fig. 3 is the utility model backwashing state structural representation；

Fig. 4 is the utility model pre-filtering device structural representation.

In figure：1 water-supply-pipe, 2 flowmeters, 3 pre-filtering devices, 31 housings, 32 water inlets, 33 delivery ports, 34 filter cores, 35 Communicating pipe, 4 water intaking valves, 5 bypass pipes, 6 waste pipes, 7 first wastewater valves, 8 second wastewater valves, 9 central purifiers, 10 pure water pipes, 11 water purifying valves, 12 connecting tubes, 13 non-return valves.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of central water purifying system, including water-supply-pipe 1, Flowmeter 2 is installed, the left side of the flowmeter 2 is provided with pre-filtering device 3, the prefilter dress on the water-supply-pipe 1 The output end for putting 3 left sides is connected by water-supply-pipe 1 with the left end of central purifier 9, and water-supply-pipe 1 is close to central purifier 9 one Water intaking valve 4 is installed, one section of water-supply-pipe 1 on the right side of water intaking valve 4 passes through bypass pipe 5 and centrally located water purification on the outer wall at end The waste pipe 6 on the right side of machine 9 is connected, and one end of waste pipe 6 is connected with the right-hand member of central purifier 9, and the waste pipe 6 is close Second wastewater valve 8 is installed, the outer wall of the bypass pipe 5 is provided with the first wastewater valve 7, institute on one section of outer wall of central purifier 9 State water-supply-pipe 1 to connect with pure water pipe 10 by connecting tube 12, and non-return valve 13 is installed in connecting tube 12, the pure water pipe 10 Right-hand member is connected by bend pipe with the top output port of central purifier 9, and the left end of the pure water pipe 10 is provided with water purifying valve 11, and Water purifying valve 11 is located at the left side of connecting tube 12 and the junction of pure water pipe 10.

Wherein, the pre-filtering device 3 includes housing 31, and the left and right ends of housing 31 are arranged with the He of water inlet 32 Delivery port 33, the inner chamber of the housing 31 is uniformly provided with filter core 34, and is connected between two groups of adjacent filter cores 34 by communicating pipe 35 Connect, the central purifier 9 is made up of stainless steel casing, KDF composite filter elements and UF milipore filters.

Operation principle：The utility model is filtered out the impurity of the larger particles in running water by pre-filtering device 3, is led to Cross central purifier 9 and complete purification function to running water, wherein the water after purification is discharged by pure water pipe 10, the water of waste gas is by giving up Water pipe 6 is discharged, and when just being rinsed, closes water purifying valve 11, while open the in central water purifying system under normal use One wastewater valve 7, the second wastewater valve 8, non-return valve 13 and water intaking valve 4, running water are delivered in central purifier 9 by water-supply-pipe 1, Pressure by the impurity deposited in the doughnut pipeline in central purifier 9 by running water, by being discharged in waste pipe 6, from And reach the purpose of positive cleaning hollow-fibre membrane；When being backwashed, close in central water purifying system under normal use Water intaking valve 4 and water purifying valve 11 are closed, while opens non-return valve 13, the first wastewater valve 7 and the second wastewater valve 8, by doughnut pipeline The impurity of middle deposition passes through the first waste water by the pressure of running water, then from the hollow-fibre membrane of the left and right ends of central purifier 9 The wastewater valve 8 of valve 7 and second is discharged, and so as to reach the purpose of reverse cleaning hollow-fibre membrane, makes cleaning more thorough.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of central water purifying system, including water-supply-pipe (1), it is characterised in that：Flowmeter is installed on the water-supply-pipe (1) (2), the left side of the flowmeter (2) is provided with pre-filtering device (3), and the output end on the left of the pre-filtering device (3) is led to The left end that water-supply-pipe (1) is crossed with central purifier (9) is connected, and water-supply-pipe (1) is on the outer wall of central purifier (9) one end Water intaking valve (4) is installed, one section of water-supply-pipe (1) on the right side of the water intaking valve (4) passes through bypass pipe (5) and centrally located water purifier (9) waste pipe (6) on the right side of is connected, and one end of waste pipe (6) is connected with the right-hand member of central purifier (9), the waste water Pipe (6) is provided with the second wastewater valve (8) on one section of outer wall of central purifier (9), and the outer wall of the bypass pipe (5) is provided with First wastewater valve (7), the water-supply-pipe (1) is connected by connecting tube (12) with pure water pipe (10), and is installed in connecting tube (12) There is non-return valve (13), the right-hand member of the pure water pipe (10) is connected by bend pipe with the top output port of central purifier (9), described The left end of pure water pipe (10) is provided with water purifying valve (11), and water purifying valve (11) is located at connecting tube (12) and pure water pipe (10) junction Left side.

A kind of 2. central water purifying system according to claim 1, it is characterised in that：The pre-filtering device (3) includes Housing (31), and the left and right ends of housing (31) are arranged with water inlet (32) and delivery port (33), the housing (31) it is interior Chamber is uniformly provided with filter core (34), and is connected between two groups of adjacent filter cores (34) by communicating pipe (35).

A kind of 3. central water purifying system according to claim 1, it is characterised in that：The central purifier (9) is by stainless Outer steel shell, KDF composite filter elements and UF milipore filters composition.