CN2357799Y - External compression microfiltering device for treating pipe water - Google Patents

Abstract

The utility model relates to an external compression microfiltration device for treating pipe water, which uses a micropore filtration pipe as a medium. The microfiltration device comprises an outer shell body, a raw water inlet, a raw water outlet and a clear water outlet, wherein the outer shell body divides a filtration chamber into four parts through a sleeve pipe and a micropore filtration pipe, the sleeve pipe is fixed by a front partition board and a back partition board, one end opening of the micropore filtration pipe is sealed on the partition board, the other end of the micropore filtration pipe is sealed and inserted into the sleeve pipe, wherein a front water distribution chamber, a back water distribution chamber and the filtration chamber are communicated with each other through the sleeve pipe. A water collecting chamber is only communicated with the micropore filtration pipe. The microfiltration device combines the processes of filtration and rinse into integration, and the utility model has the advantages of simple structure, good quality of treated water, long filtration period, large filtration quantity, convenient disassembly, small occupied area and low operating cost.

Description

Pipeline type water treatment external pressure micro-filtration

The utility model belongs to the water treatment facilities technical field, and being specifically related to a kind of microfiltration tube that adopts is the pipeline type external pressure micro-filtration of medium.

In existing water technology, conventional water treatment process mostly is provided with precipitation (clarification) pond and filtering ponds, finishes water purification by dosing coagulant and disinfectant and handles.In processing procedure, precipitation (clarification) pond needs regularly spoil disposal, and filtering ponds then need regularly flushing, to keep good precipitation and filter effect.The shortcoming of this traditional water treatment facilities is that floor space is big, and the construction period is long, and gross investment and operating cost height are realized the automatic operating difficulty, and equipment can not move, and can't realize the batch process of batch production.In recent years, domestic also have the water treatment facilities that adopts microporous filter tube to come out.Chinese patent 90207685 " a kind of novel meticulous water filter " for example, it is that micropore sintered composite filter tube by many vertical setting of types is a filter core, the collect cavity of pipe box is communicated with the efferent duct that catchments with discharging tube, uses the blowback mode to clean.Though said structure has improved the water treatment quality to a certain extent, but still there is following shortcoming: 1. because the water that enters filter has only the outlet outlet of promptly catchmenting, after all water filters through microporous filter tube, will stay a large amount of sediments, normally move, need carry out backwash continually for keeping filter, the blowback cleaning way that it adopts, need be equipped with equipment such as air compressor machine, gas tank, filter intermitten service, energy consumption is big, expense is high.2. adopt vertical installation, the connecting line complexity, switch valve is many.If extend to industrial water supply and sewage disposal, investment is big, automatic operating is difficult, finally causes the unit occupied area aquifer yield few.

The purpose of this utility model is at the prior art above shortcomings, provides a kind of and filters and flushing unites two into one, external-compression type, level are installed pipeline type water treatment external pressure micro-filtration.

The technical solution of the utility model is as follows:

Pipeline type water treatment external pressure micro-filtration, comprise the shell body that is provided with source water inlet and clear water output, cloth hydroecium TongYuan water inlet before establish the shell body front portion, the logical clear water output of collecting chamber is established at the rear portion, filter chamber and rear water distributing chamber are established in the middle part, rear water distributing chamber TongYuan water out is cut off by demarcation strip between preceding cloth hydroecium, filter chamber, rear water distributing chamber and the collecting chamber; Establish two ends in the filter chamber and be fixed in sleeve pipe on the demarcation strip, the outstanding microporous filter tube of inserting in the forward and backward cloth hydroecium of sleeve pipe conducting, sleeve pipe, the adjacent end with preceding cloth hydroecium of microporous filter tube seals, and the other end is fixed on the demarcation strip, is communicated with collecting chamber by demarcation strip.Microporous filter tube is established two at least.

Advantage of the present utility model is as follows

1. the utility model need not carry out frequent high pressure gas, water associating backwash to keep normal filter process, and filter and do not need intermitten service, good processed water quality, turbidity is lower than 0.5NTV, and saving energy and expense are low.The utility model is established the source water out at rear water distributing chamber, when making current enter filter chamber, part water flows to collecting chamber because of the hydraulic pressure effect enters after microporous filter tube filters, another part then flows to rear water distributing chamber behind the impurity of its surface deposition of microporous filter tube surface erosion, flow out through the source water out again, the flushing of the filtration of processed water and microporous filter tube unites two into one like this, utilize the shearing force effect of current fluid, significantly reduce the deposition of impurity screening, thereby greatly prolong the normal filtration time on the microporous filter tube surface.

2. filtering on the fluidised form, be filtered into the external-compression type filtration owing to change the inner pressed of microporous filter tube, under the prerequisite that does not change the chimney filter diameter, filter area has more increase.Correspondingly do not changing under the hydraulic pressure prerequisite, filtering filtering velocity and reduce.Owing to set up sleeve, the irrigation flow rate on chimney filter surface can increase to some extent, has correspondingly improved developing result, has prolonged filter cycle.

3. convenient disassembly can make all microporous filter tubes all exposed, thereby bring convenience for irregular clear cleaning or regeneration.

4. the utility model installation station is horizontal, and is simple in structure, greatly improved the producing water ratio of unit occupied area.

Below in conjunction with drawings and Examples the utility model is described further:

Fig. 1 is the utility model structure chart;

Fig. 2 is the microporous filter tube sectional view.

Among the figure: 1. cloth hydroecium 5. collecting chambers 6. rear water distributing chambers 7. sleeve pipes 8. filter chambers 9. source water inlets, 10. clear water outputs, 11. source water outs before shell body 2. microporous filter tubes 3. demarcation strips 4.

Embodiment: as shown in Figure 1, inside at filter housing body 1, one group of sleeve pipe 7 being fixed by front and back demarcation strip 3, and one end opening be sealed on the demarcation strip 3, and the other end is sealed and insert sleeve pipe 7 interior microporous filter tubes 2 filter is divided into four parts, wherein preceding cloth hydroecium 4, rear water distributing chamber 6 are only to be connected with microporous filter tube 2 by 5 of (clear water) chambers of catchmenting that sleeve pipe 7 is interconnected with filter chamber 8.Source water inlet 9 is located at preceding cloth hydroecium 4, and source water out 11 is located at rear water distributing chamber 6, and clear water output 10 is located at collecting chamber 5.

As shown in Figure 2, the utility model adopts special microporous filter tube to make filter element, and the fine filter opening of chimney filter tube wall is to be formed in the production technology of setting by material-structure.The technological process of adopting one-level or two-stage micro-filtration is the different requirements according to processed water quality and demand water quality, and selects the microporous filter tube of respective aperture for use, and it can filter silt particle, suspension and bacterium etc. effectively.

Operation principle of the present utility model is achieved like this: the filter of device on system and pipeline, can pass through water pump (head-tank, case) supplies water to filter, by preceding cloth hydroecium 4, enter one group of sleeve pipe 7 of demarcation strip 3 before and after being sealed in, utilize the osmotic pressure of water, filter by the tube wall that is inserted in the microporous filter tube 2 in each branch casing, various fine impurity are then stopped by the fine aperture of tube wall in the water, firmly partial impurities can " be blocked " in the solid netted duct that enters the having many bends or curves porous of tube wall, the fine impurity that is attached on the tube wall then forms filter membrane simultaneously, can be used as further sieving, more fine impurities in cohesion and the adsorbed water, clear water is collected to collecting chamber 5 through microporous filter tube, confluxes to clear water reserviors or water tank by pipe-line system again.Impurity thicker in the water is then tackled by filter membrane, is deposited on the outer surface of microporous filter tube 2, and the current flushing that is continued to flow to rear water distributing chamber 6 is taken away.Under the improper filtercondition, such as source water quality more with exceed the permission process range for a long time, when change of water quality is big, the utility model can be dismantled easily, expose microporous filter tube, available then clear water washes or scrubs, and then can carry out low-pressure water and the flushing of blink easily for the screen pipe colony that is attached in the system.After using for a long time, the harmless cleaning agent that the utility model also allows to adopt particular arrangement to microporous filter tube carry out for the time long regeneration.When using the utility model and handle city tap-water, at the turbidity of regulation during less than 3NTV, when trying to achieve the clean water less than 0.5NTV (even less than 0.2NTV), the cycle of this washing and regeneration was more than the several years.

A plurality of combinations of above-mentioned filter then can adapt to the water treatment plant of the different disposal water yield.It extremely is suitable for low temperature, the low-cloudy water of the tap the latent power increase-volume and the numerous domestic of water treatment and handles.If adapted gives treatment facility efficiently, then the utility model can adapt to all lives, industrial water supply and sewage disposal.In addition, the utility model also can be used as the processing of giving of high purity water processing.

Claims (2)

1. pipeline type water treatment external pressure micro-filtration, comprise the shell body (1) that is provided with source water inlet (9) and clear water output (10), it is characterized in that shell body (1) front portion establish before cloth hydroecium (4) TongYuan's water inlet (9), the logical clear water output (10) of collecting chamber (5) is established at the rear portion, filter chamber (8) and rear water distributing chamber (6) are established in the middle part, rear water distributing chamber (6) TongYuan's water out (11) is cut off by demarcation strip (3) between preceding cloth hydroecium (4), filter chamber (8), rear water distributing chamber (6) and the collecting chamber (5); Be horizontally disposed with two ends in the filter chamber (8) and be fixed in sleeve pipe (7) on the demarcation strip (3), the forward and backward cloth hydroecium of sleeve pipe (7) conducting (4,5), the outstanding microporous filter tube (2) of inserting in the sleeve pipe (7), the adjacent end sealing of microporous filter tube (2) with preceding cloth hydroecium, the other end is fixed on the demarcation strip (3), is communicated with collecting chamber (5) by demarcation strip (3).

2. pipeline type water treatment micro-filtration according to claim 1 is characterized in that microporous filter tube (2) establishes two at least.

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