CN1089185A

CN1089185A - Automatic, efficient, continuous filter

Info

Publication number: CN1089185A
Application number: CN 92101886
Authority: CN
Inventors: 邓佑
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-03-24
Filing date: 1992-03-24
Publication date: 1994-07-13

Abstract

A kind of automatical and efficient continuous filter relates to water-treatment technology field, it is the stress metal filter tank, its characteristics are synthetic two groups of several Filter columns, each Filter column is and works alone, by a control valve their tube connector is connected in parallel, valve casing and spool respectively are provided with hole, groove, communicate with the Filter column tube connector, and spool is provided with and produces water, backwash, just washes working position.By different working positions, connect different pipelines, change the direction and the pipeline of flowing through of the turnover current of Filter column, make a plurality of Filter columns and coproduction water, wherein a post is in backwash or just washing, its advantage be the cycle short, filtering layer is thin, flow velocity is high, volume is little, less important work with produce water and do not disturb mutually.

Description

Automatic, efficient, continuous filter

The present invention relates to water-treatment technology field, belonging to the pressure type filter tank is a kind of automatic, efficient, continuous water filtration device, is specially adapted to city tap-water factory.

The water treatment filter plant of existing city tap-water factory, as French Degremont publish " water technology handbook and (day) well go out wise husband, and to wait the pressure type filter tank that is exemplified in " engineering of water treatment theoretical with application " book of writing all be the mode work that hockets by filter operation and cleaning operation.The disclosed water purification device of Chinese patent CN1036377A " ground water purification device and method " also is to carry out work in the same way.So-called filter tank automatic operating, nothing more than the automation that is exactly filtration and cleaning operation, the program of manually-operated Open valve is quite complicated, if use complicated automatic control circuit, certainly makes general filter chamber also can realize automatic operation.But concerning mini-plant, automatically the expense that is provided with of control shared ratio in entire equipment is too high.Promptly to main equipment, also need various ambient conditions are listed in governing factor the inside, the result makes control circuit become very complicated, even also need control by electronic computer sometimes.What but the said equipment still can't resolve filter operation and cleaning operation does not disturb the continuous water supply operation mutually.

The objective of the invention is to overcome the shortcoming of prior art, provide a kind of making to clean less important work and the highly effective continuous filter of the non-interfering automation of filtration operation, can ensure continuously uninterrupted water supply.

Technical scheme of the present invention is achieved in that automatic continuous filter is a kind of stress metal formula filter tank, comprise Filter column, valve, pipeline, utilize valve controlled filter device to carry out the water treatment operation, its special character is that it is with synthetic two groups of several Filter columns, each Filter column is and works alone, all there is tube connector its bottom with the top, tube connector is contained on the valve body of control valve, by control valve several Filter columns are connected in parallel, the intake-discharge pipe road of filter also is contained on the valve body, the spool of control valve is provided with the eye groove that communicates with the valve body upper pipeline, spool rotates in valve body, by different operating positions, a groove is communicated with different pipeline, change the Inlet and outlet water flow path direction of Filter column and the pipeline order of flowing through, make a plurality of Filter columns carry out parallel filtering and produce water, wherein the post backwash of assisting or just washing down operation.

Control valve in the scheme is made up of valve body and spool, valve body comprises upper and lower covers and valve casing, water inlet pipe is contained in loam cake, pure water pipe is contained in lower cover, valve casing is provided with intake chamber, goes up drainage hole, annular waste discharge slot, waste discharge hole, the last drainage hole of valve casing communicates with the tube connector up and down of Filter column respectively, and the waste discharge hole communicates with waste pipe, and spool is provided with turnover hydrophthalmia, backwash inlet opening, washes waste discharge slot and annular waste discharge slot anyway.

Filtration in the scheme is produced the water conservancy project position and is made that the hole goes out hydrophthalmia under tube connector, the valve casing under tube connector, Filter column, the Filter column on the Filter column of hole on water inlet pipe, intake chamber, water inlet eye, the valve casing, pure water pipe is connected successively.

Backwash washing station in the scheme makes tube connector, Filter column under water inlet pipe, intake chamber, backwash inlet opening, the Filter column, and tube connector, backwash waste discharge slot, annular waste discharge slot, waste discharge hole, waste pipe are connected successively on the Filter column.

The station that just washes down in the scheme makes on water inlet pipe, intake chamber, enterprising hydrophthalmia, the valve casing tube connector, Filter column on hole, the Filter column, hole under tube connector, the valve casing under the Filter column, just washes waste discharge slot, annular waste discharge slot, waste discharge hole, waste pipe and connects successively.

The Filter column that being contained in the scheme controlled on valve casing water inlet pipe up and down is many to equally distributed, and its logarithm is identical with the Filter column number.

Now describe the embodiment of the invention in conjunction with the accompanying drawings in detail

Fig. 1 is automatic continuous filter schematic diagram

Fig. 2 is the control valve front view

Fig. 3 is the control valve vertical view

Fig. 4 is for producing the water flow chart

Fig. 5 is for just washing flow chart

Fig. 6 is the backwash flow chart

Among the figure:

1, pure water pipe 12, valve casing

2, hole under Filter column 13, the valve casing

3, go up tube connector 14, lower cover

4, following tube connector 15, water inlet eye

5, water inlet pipe 16, annular waste discharge slot

6, control valve 17, go out hydrophthalmia

7, waste pipe 18, waste discharge hole

8, spool 19, just wash waste discharge slot

9, intake chamber 20, backwash waste discharge slot

10, loam cake 21, backwash inlet opening

11, hole on the valve casing

Automatic continuous filter as shown in Figure 1, be that 6 Filter columns 2 are divided into two groups, be formed in parallel by control valve 6, it is in order to reduce the floor space of equipment that Filter column 2 is formed two groups, and each Filter column 2 is and works alone, and last tube connector 3 is arranged at its Filter column 2 tops, the bottom has following tube connector 4 all to link to each other with control valve 6, each Filter column 2 has three kinds of operating modes, produces water condition, backwash operating mode, just washes operating mode, and Filter column produces and promptly enters the backwash operating mode after water finishes; Just wash then, just washing to drop into again after the end and producing water.Each Filter column operating mode is by control valve 6 decisions.

Control valve 6 is shown in Fig. 2,3, form by loam cake 10, spool 8, valve casing 12, lower cover 14, valve upper cover 10 is equipped with water inlet pipe 5, valve lower cover 14 is equipped with pure water pipe 1, valve casing 12 is divided into six stations, on each station, link to each other with the tube connector up and down 3,4 of a Filter column 2 respectively, the middle waist of valve casing 12 is equipped with waste pipe 7.

Spool 8 is divided into 12 stations as shown in Figure 3, and the A-J station produces the water conservancy project position for filtering, and K is the backwash station, and M is for just washing station.When being contained in tube connector up and down 3,4 on the valve casing 12 and spool 8, Filter column 2 produces water levels on time as shown in Figure 4, this Filter column promptly is in to filter and produces water condition, this moment former water by water inlet pipe 5 enter hole 11, Filter column on intake chamber 9, water inlet eye 15, the valve casing last tube connector 3, enter Filter column 2 tops, flow into pure water pipe 1 to going out hydrophthalmia 17 from tube connector 4 outflow return control valve 6 holes 13 under valve casing down behind the raw water filtration.When Filter column 2 is contained in tube connector up and down 3,4 on the valve casing 12 and spool 8 backwash stations on time as shown in Figure 6, this Filter column promptly is in backwash flushing operating mode, former water entered valve casing 12 by water inlet pipe 5 and entered the following tube connector 4 that hole 13 under valve casing, backwash inlet opening 21 enters Filter column again through intake chamber 9 and enter the filter column bottom this moment, and the last tube connector 3 of inherent filtration post flows out return control valves 6 and flows into waste pipe 7 discharges to waste discharge hole 18 through backwash waste discharge slot 20, annular waste discharge slot 16 behind the backwash filtering layer from bottom to top.When being contained in tube connector up and down 3,4 on the valve casing 12 and spool 8, Filter column 2 just washing station on time as shown in Figure 5, this Filter column promptly is in is just washing operating mode, former water entered intake chamber 9 by water inlet pipe 5 and entered the last tube connector 3 that water eye 15 hole 11 on valve casing into enters Filter column again and enter Filter column top this moment, after cleaning filtering layer from top to bottom, waste water flows into waste pipe 7 discharges by the following tube connector 4 outflow return control valves 6 of Filter column through just washing waste discharge slot 19, annular waste discharge slot 16 to waste discharge hole 18.The spool 8 of control valve regularly is rotated counterclockwise a station in valve casing 12, each Filter column all is in product water → backwash → just wash → produces water to circulate.To keep respectively filtering the post operate as normal, per ten two cycles are a circulation, the 13 cycle with the period 1 by that analogy.Concrete loop condition is referring to table 1.

Each Filter column operating mode table table 1 of automatic continuous filter

Present embodiment adopts six posts basic mechanical design feature in parallel as follows:

Filter column diameter: be φ 400mm

Assembling back equipment size: be 1000 * 500 * 2500mm ³

Aquifer yield: be 20t/h

Influent concentration: be 30～50mg/L

Go out water concentration: be 2～4mg/L

Cycle: be 8mm

The present invention's concrete advantage compared with prior art is: adopt many Filter columns parallel operation, a plurality of Filter columns and another post of coproduction water are in backwash or just washing, less important work is not interfere with each other with producing water, and equipment can uninterruptedly supply water continuously, controls each post work state variation by a rotation valve. Realize that because the cycle changes more easily adopt than the short period, it is thin that filter material layer is subtracted, filtering velocity is accelerated, thereby makes equipment volume and highly reduce, and water-yielding capacity strengthens.

Claims

1, a kind of automatic, efficient, continuous filter relates to water-treatment technology field, be that the stress metal filter tank includes Filter column, valve, pipeline, utilize valve controlled filter device to carry out the water treatment operation, it is characterized in that synthetic two groups of several Filter columns, each Filter column is and works alone, all there is tube connector its bottom with the top, tube connector is contained on the valve body of control valve, be connected in parallel by control valve, advancing of filter, discharge pipe line also is contained on the valve body, spool is provided with and is contained in the eye that the valve body upper pipeline communicates, groove, spool rotates in valve body, by different operating positions, make eye, groove communicates with different pipeline, change the Inlet and outlet water flow path direction of Filter column and the pipeline order of flowing through, make a plurality of Filter columns carry out parallel filtering and produce water, wherein a post is in backwash or just washing down operation.

2, filter according to claim 1 is characterized in that control valve is to be made of valve body and spool, and valve body comprises upper and lower covers and valve casing: water inlet pipe and loam cake join, and pure water pipe and lower cover join; Valve casing is provided with intake chamber, goes up drainage hole, the hole links to each other with the last tube connector of Filter column on the annular waste discharge slot, waste discharge hole, valve casing, and the hole links to each other with the following tube connector of Filter column under the valve casing, and the waste discharge hole links to each other with waste pipe; Spool is provided with into the water eye, goes out hydrophthalmia, the backwash inlet opening, just wash inlet opening, annular waste discharge slot, backwash waste discharge slot, just wash waste discharge slot.

3, filter according to claim 1 is characterized in that filter producing that the water conservancy project position makes on water inlet pipe, intake chamber, water inlet eye, the valve casing on hole, the Filter column under tube connector, Filter column, the Filter column hole under tube connector, the valve casing, goes out hydrophthalmia, pure water pipe is connected successively.

4, filter according to claim 1 is characterized in that the backwash washing station makes under water inlet pipe, intake chamber, backwash inlet opening, the Filter column on tube connector, Filter column, the Filter column tube connector, backwash waste discharge slot, annular waste discharge slot, waste discharge hole, waste pipe connect successively.

5, filter according to claim 1 is characterized in that just washing down station and makes on water inlet pipe, intake chamber, water inlet eye, the valve casing on hole, the Filter column tube connector under tube connector, Filter column, the Filter column, just washes waste discharge slot, annular waste discharge slot, waste discharge hole, waste pipe and connect successively.

6, filter according to claim 1, it is characterized in that being contained on the control valve casing Filter column up and down water inlet pipe be many to equally distributed, its logarithm is identical with the Filter column number.