CN2250945Y

CN2250945Y - Water purifier with front-located filtering back-flushing and residual water draining device

Info

Publication number: CN2250945Y
Application number: CN 95246581
Authority: CN
Inventors: 陈恺瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-05
Filing date: 1995-12-05
Publication date: 1997-04-02
Anticipated expiration: 2005-12-05

Abstract

The utility model discloses a water purifier with a preposition filtering, back flushing and residual water discharging device, which comprises a cover casing and a refined filtration device and is also provided with preposition filtering and back flushing filtering posts and five-way ball valves, wherein each five-way ball valve is composed of a valve body, a round table-shaped ball valve in a cavity of the valve body and a selecting handle which is arranged on the valve body and is connected with the round table-shaped ball valve. A raw water inlet passage, a raw water outlet passage, a filtering water inlet pipe, a filtering water outlet pipe and a drainage passage are arranged in the valve body. The round table-shaped ball valve is provided with a raw water passage and a communicating water passage, the selecting handle controls three different operating positions of the round table-shaped ball valve, and the preposition filtering and back flushing posts are connected to a preceding stage of the refined filtration device in series through the five-way ball valves.

Description

Water purifier with preposition filtration back flushing and residual water draining device

The utility model relates to a kind of drink water purifier, is a kind of water purifier with preposition filtration back flushing and residual water draining device specifically.

Water purifier in using at present generally all adopts tandem cascade filtration form, to improve the water purification quality.Because the water source is of low quality, add that pipeline rust and elevated tank pollute, and make filter element of water purifier frequently change.In order to prolong the work-ing life of water purification catridge.People have designed preposition filtration unit again, with suspended particle or the jelly filtering that contains in the former water, alleviating the load of rearmounted drainage medium, improve the water purification quality and prolong work-ing life of water purifier.Existing preposition filtration has following several form: a kind of is that preposition filtration is to place one deck silk dimension shape filtering material or micropore filter material before same filter post intrinsic activity carbon filtering layer, this kind method, weak effect, easily stops up; Another kind is at the original water inlet end a preposition filter post to be set separately.Preposition filter post outer cover is detachable, and the user is as finding aquifer yield and reduce or observe the coarse filtration film when very dirty, can unload that filter membrane is scrubbed or renew cartridge more, and this kind method is used trouble, and more renew cartridge is frequent, easily causes secondary pollution when scrubbing; Another adopts the ultra-filtration membrane water purifier, activated carbon hollow filter stick is used as preceding filter, and has added the flush water passage.Water purifier in using at present, when also existing water purifier to stop using, the processing of the residual surplus water in the inner bag does not also have the otherwise effective technique measure.

The purpose of this utility model is to provide a kind of water purifier with preposition filtration back flushing and residual water draining device, make it possess good filtration effect, long service life, easy and simple to handle, exhaust water is convenient, thereby reaches the purification function that improves water purifier, the acceptable life that prolongs water purifier, reduction user's use cost.

To achieve these goals, the utility model adopts following technical scheme: a kind of water purifier with preposition filtration back flushing and residual water draining device, comprise case, fine filtering device, it is characterized in that: it also is provided with preposition filtration recoil filter wash post and five-way ball valve, this five-way ball valve is by valve body, the selection handle that the endoceliac truncated cone-shaped ball valve of valve and being located at is connected with the truncated cone-shaped ball valve on the valve body is formed, be provided with former water access in the valve body, former water is engaged in this profession, the drainage access, drainage is engaged in this profession and drainageway, the truncated cone-shaped ball valve is provided with former aquaporin and is communicated with water channel, select handle to control this truncated cone-shaped ball valve water purification is arranged, a give a baby a bath on the third day after its birth different operating position of exhaust water and recoil, preposition filtration recoil filter wash post is serially connected in the fine filtering device prime through the five-way ball valve, this filter post divides two filtering layers up and down, the import of last filtering layer is engaged in this profession with the former water of five-way ball valve and is communicated with, the outlet of following filtering layer is communicated with the drainage access of five-way ball valve, and the drainage of five-way ball valve is engaged in this profession and is communicated with the fine filtering device water-in.

Compared with the prior art the utility model has conspicuous advantage: improved the water purification effect, owing to separately the filter post is set, the user can in time carry out back flushing to prestage according to the concrete quality condition of former water.Thereby the water quality that can guarantee to enter rearmounted filter bed of essence, the filtration that has alleviated rearmounted filtering layer is loaded, and nature can improve the decontamination effect improving of water purifier, has also prolonged the acceptable life of water purifier simultaneously; Thoroughly solve the difficult problem of drink water purifier exhaust water, the Yu Shuike in the inner bag is in time discharged, reduced the nitrite nitrogen amount, make drinking-water safer; Exempt user's replacing or clean preposition filter core with water, make things convenient for the user, reduce cost.

Below in conjunction with drawings and Examples the utility model is elaborated.

Fig. 1 is the structural representation of a preferred embodiment of the utility model:

Fig. 2 is that structural representation is cutd open in the ball valve rotation of a preferred embodiment of the utility model;

Fig. 3 is the ball valve sectional structure synoptic diagram of a preferred embodiment of the utility model;

Fig. 4 is that the ball valve of a preferred embodiment of the utility model is at water purification working position structural representation;

Fig. 5 is that the ball valve of a preferred embodiment of the utility model is made the positional structure synoptic diagram in the exhaust water conservancy project;

Fig. 6 is that the ball valve of a preferred embodiment of the utility model is at back flushing positional structure synoptic diagram.

See also Fig. 1 to shown in Figure 6, the utility model is made up of case (not shown), fine filtering device 30, preposition filtration recoil filter wash post 10 and five-way ball valve 20.The five-way ball valve is by valve body 21, the endoceliac truncated cone-shaped ball valve 22 of valve and be located at the selection handle 23 that is connected with the truncated cone-shaped ball valve on the valve body and form.Be provided with in the valve body that former water access 24, Yuan Shui engage in this profession 25, drainage access 26, drainage engage in this profession 27 and drainageway 28.The truncated cone-shaped ball valve is provided with former aquaporin 221 and is communicated with water channel 222, to seal in order making between truncated cone-shaped ball valve and the body cavity wall, thereby to be provided with leakproof water cushion circle in the appearance of truncated cone-shaped ball valve.Select handle to control this truncated cone-shaped ball valve water purification, an exhaust water and recoil different operating position of giving a baby a bath on the third day after its birth is arranged.As shown in Figure 4, be the utility model ball valve in the water purification position, at this moment, tap water through former water access 24 → former water engage in this profession 25 → through preposition filtration recoil filter wash post 10 → drainage access 26 → drainage 27 → fine filtering device 30 of engaging in this profession.Rotating in the position of Fig. 4 and to select handle 45 degree, as shown in Figure 5, is that the utility model ball valve is done the position in the exhaust water conservancy project, and at this moment, former water engages in this profession 25, drainage access 26 and drainage are engaged in this profession 27 all is communicated with drainageway 28, outside surplus water eliminating inner bag.Rotate selection handle 90 degree in the position of Fig. 4, as shown in Figure 6, be that the utility model ball valve is in the back flushing position, at this moment, tap water is through former water access 24 → drainage access 26 → through the preposition filtration recoil filter wash post 10 → former water 25 → drainageway 28 of engaging in this profession, realize the back flushing to preposition filtration filter post.Preposition filtration recoil filter wash post is connected on fine filtering device 30 primes in the five-way ball valve, this filter post two filtering layers about in the of 10 minutes.The import 13 of last filtering layer 11 is engaged in this profession with the former water of five-way ball valve and is communicated with, and the outlet 14 of following filtering layer 12 is communicated with the drainage access of five-way ball valve.The drainage of five-way ball valve is engaged in this profession and is communicated with fine filtering device water-in 31.Manganese sand, selected quartz sand are adopted in the preposition filtration recoil of the utility model filter wash post 10 upper stratas 11, lower floor adopts KDF55 high-purity copper-zinc platform gold etc., do Filter column with these materials, has long service life, in 6-8, do not need to change, do not exist absorption saturated, by back flushing, can in time in time rinse the pollutent on the filter material well, especially KDF has except that chlorine residue, sterilization, removes function such as algae.

Claims

A kind of water purifier with preposition filtration back flushing and residual water draining device, comprise case, fine filtering device, it is characterized in that: it also is provided with preposition filtration recoil filter wash post (10) and five-way ball valve (20), this five-way ball valve is by valve body (21), the selection handle (23) that the endoceliac truncated cone-shaped ball valve of valve (22) and being located at is connected with the truncated cone-shaped ball valve on the valve body is formed, be provided with former water access (24) in the valve body, former water engage in this profession (25), drainage access (26), drainage is engaged in this profession (27) and drainageway (28), the truncated cone-shaped ball valve is provided with former aquaporin (221) and is communicated with water channel (222), select handle to control this truncated cone-shaped ball valve water purification is arranged, a give a baby a bath on the third day after its birth different operating position of exhaust water and recoil, preposition filtration recoil filter wash post is serially connected in fine filtering device (30) prime through the five-way ball valve, about this filter post (10) divides (11,12) two filtering layers, the import (13) of last filtering layer (11) is engaged in this profession with the former water of five-way ball valve and is communicated with, and the outlet (14) of following filtering layer (12) is communicated with the drainage access of five-way ball valve.The drainage of five-way ball valve is engaged in this profession and is communicated with fine filtering device water-in (31).