CN207871689U - A kind of intelligent control gravity type back flushing filter device - Google Patents

Abstract

The utility model discloses a kind of intelligent control gravity type back flushing filter devices, it is aerated case including tank body, filtered water tank, recoil wash pool, filtration system, siphon pipe and dissolved oxygen, dissolved oxygen is aerated case and is connected to water inlet, the lower part of dissolved oxygen aeration case is communicated with siphon pipe, and water inlet is equipped with switch valve；It is equipped with communicating pipe between the filtered water tank and recoil wash pool, filtered water tank lower end sets out the mouth of a river, and water outlet sets flowmeter；Auxiliary siphon tube and siphon destructing tube are respectively equipped at the top of siphon pipe, siphon destructing tube is equipped with control valve, and auxiliary siphon tube bottom, which is equipped with, forces siphon member；The flowmeter, switch valve, control valve and pressure siphon member are electrically connected with control system, and the control panel of control system is mounted on the outside of tank body.The back-flushing filtering device can automatically control the time of backwash according to actual needs, both can guarantee the clean degree backwashed to filter medium, also avoid the waste of water resource, saved cost, reach energy-saving and environment-friendly purpose.

Description

A kind of intelligent control gravity type back flushing filter device

Technical field

The utility model is related to purifying water process equipment technical fields, and in particular to a kind of intelligent control gravity type back flushing Filter device.

Background technology

In recent years, gravity type valveless water filter device is widely used in the water process of the industries such as steel, oil, chemical industry, mostly Table Water warfare, underground water deferrization and demanganization, recirculated water bypath filter, production waste water except suspended impurity, organic sewage biochemical treatment and The filtering of subsequent filter and indoor swimming pool water after secondary sedimentation tank processing.Gravity type valveless mistake used at present Filter cannot generally control the time of backwash as needed, lead to be susceptible to recoil not washing clean, and then caused filtering velocity Degree reduces, and effluent quality is poor, substantially reduces the service life of filter layer, or the overlong time rinsed, and largely wastes water The phenomenon that resource, causes the waste of human and material resources in water treatment procedure, increases production processing cost.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide, a kind of backwash is efficient, effect is good, energy saving The intelligent control gravity type back flushing filter device of environmental protection.

To achieve the above object, the utility model adopts the following technical solution：

A kind of intelligent control gravity type back flushing filter device, including tank body, filtered water tank, recoil wash pool, filtering system System and siphon pipe, the back-flushing filtering device further include dissolved oxygen aeration case, and dissolved oxygen aeration case is communicated with the water inlet of raw water, The lower part of dissolved oxygen aeration case is connected with siphon pipe, and water inlet is equipped with switch valve；It is set between the filtered water tank and recoil wash pool There are communicating pipe, filtered water tank lower end to be equipped with water outlet, the water outlet is equipped with flowmeter；The siphon pipe is inverted U shape, including rainbow Riser and siphon down-comer are sucted, auxiliary siphon tube and siphon destructing tube, the siphon destructive are respectively equipped at the top of siphon pipe Pipe is equipped with control valve, and auxiliary siphon tube bottom, which is equipped with, forces siphon member；The flowmeter, switch valve, on siphon destructing tube Control valve and the pressure siphon member of auxiliary siphon tube bottom be electrically connected with control system, the control panel peace of control system On the outside of tank body.

The back-flushing filtering device is symmetrical arranged；The water inlet of raw water and the water outlet of clear water are separately positioned on backwash The both sides of filter device.

The filtration system includes conical baffled and filter layer.

The filter layer bottom is equipped with supporting plate.

The water inlet of the siphon tedge is arranged conical baffled between filter layer.

The inlet of the siphon tedge is equipped with water-distributing device.

The pressure siphon member includes power plant and air extractor.

The utility model compared with prior art, increases the use of control system on the basis of existing, is by controlling Switch valve, the control valve on siphon destructing tube and the pressure siphon member of auxiliary siphon tube bottom of system control water inlet are in spy The time point folding or effect that point needs, when the flowmeter of the water outlet of clear water detects that water flow is relatively low, illustrated Impurity is more in filter device inner filter media, influences filter effect, needs to clear up in time, if being not up to auto-flushing item at this time When part, just needs to control by control system at this time and siphon member is forced to reach strong by assisting siphon pipe to carry out pumping to system Siphon purpose processed promotes system that siphonic effect occurs and is backwashed；And when filter medium does not need flushed long-time, at this time The control valve that can be controlled by control system on siphon destructing tube is opened, and is admitted air into siphon pipe, is destroyed siphonic effect, forces The siphon of blocking system occurs, and stops backwash, opens simultaneously the switch valve of water inlet, carry out the filtering of subsequent cycle.This is anti- Washing and filtering device can automatically control the time of backwash according to actual needs, both can guarantee filter medium is backwashed it is clean Degree, while the waste of water resource is also avoided, the service life of filter medium is extended, cost has been saved, has reached energy-saving ring The purpose of guarantor.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Specific implementation mode

To make those skilled in the art more fully understand the utility model, With reference to embodiment to this reality It is described further with novel：

As shown in Figure 1, a kind of intelligent control gravity type back flushing filter device, including it is tank body 1, filtered water tank 10, anti- Flushing tank 5, filtration system and siphon pipe, the back-flushing filtering device further include dissolved oxygen aeration case 15, and dissolved oxygen is aerated case 15 It is communicated with the water inlet 19 of raw water, the lower part of dissolved oxygen aeration case 15 is connected with siphon pipe, and switch valve 18 is equipped at water inlet 19； Communicating pipe 4 is equipped between the filtered water tank 10 and recoil wash pool 5,10 lower end of filtered water tank is equipped with water outlet 8, at the water outlet 8 Equipped with flowmeter 9；The siphon pipe is inverted U shape, including siphon tedge 12 and siphon down-comer 17, the top difference of siphon pipe Equipped with auxiliary siphon tube 16 and siphon destructing tube 14, the siphon destructing tube 14 is equipped with control valve 13,16 bottom of auxiliary siphon tube Portion, which is equipped with, forces siphon member 7；The flowmeter 9, switch valve 18, the control valve 13 on siphon destructing tube 14 and siphon auxiliary The pressure siphon member 7 of 16 bottom of pipe is electrically connected with control system, and the control panel of control system is mounted on outside tank body 1 Side.

Back-flushing filtering device is symmetrical arranged；The water inlet of raw water and the water outlet of clear water are separately positioned on backwash filter The both sides of device.Symmetrically arranged back purge system is distributed in the both sides of tank body, and two filter devices act on simultaneously, increases Water process amount, effectively raises filter efficiency, while the water outlet of water inlet and clear water is distributed in device both sides, is convenient for The later stage of back-flushing filtering device installs and uses.

Filtration system includes conical baffled 2 and filter layer 3, and conical baffled setting is stayed therebetween on filter layer top There is gap；On filter layer top, setting is conical baffled, plays the purpose of the raw water and clear water before separating and filtering.

3 bottom of filter layer is equipped with supporting plate, and supporting plate can avoid filter medium from being broken up by flow in carrying out backwash process, Ensure preferable backwash effect.

According to actual needs, it is connected with the water inlet of raw water due to siphon tedge, avoids the mixing of raw water and clear water, The water inlet of siphon tedge 12 is arranged between conical baffled 2 and filter layer 3.

The inlet of siphon tedge is equipped with water-distributing device 11, and water-distributing device 11 is effectively disperseed raw water, then Into being filtered in filter medium, without hindrance be directly entered after filtration system of raw water is avoided to break up filter medium or water Stream is concentrated mainly on the water outlet of siphon tedge, cannot disperse well, causes the use of filter medium uneven, is unfavorable for Effective filtering of raw water.

It forces siphon member 7 to include power plant and the air extractor being connected with power plant, is needing to filtering Medium carry out force backwash when, by control system control power plant start, then by assist siphon pipe to system into Row pumping, forcing, which makes flow enter siphon pipe, causes siphonic effect, achievees the purpose that backwash.

The operation principle of the utility model is：During normal filtration, raw water is entered backwashed by water inlet 19 It filters in device, is aerated case 15 subsequently into dissolved oxygen, makes the gas discharge system in water, then flow is aerated 15 lower part of case from dissolved oxygen It respectively enters two filtration systems to be filtered, filtered water tank 10 is entered by communicating pipe 4 through 3 filtered clear water of filter medium In, the filtered water tank 10 on symmetrically arranged two filtration system top is interconnected, and then the clear water in filtered water tank 10 passes through water outlet 8 discharge of mouth is subsequently used；Filtration system after a period of use, can accumulate certain impurity, work as impurity in filter medium 3 The more accumulate the more more, then filter process slows down, and the clear water flow amount of water outlet 8 then reduces, while the water surface in filtration system increases, The water surface in siphon tedge 12 also increases, once liquid level is increased to the peak of siphon pipe, then siphonic effect, water occurs Stream is flowed out to by siphon pipe in pollution discharge pond 6, is then out, and the water in the wash pool 5 that recoils is then as siphonic effect occurs Phenomenon is flow backwards, that is, the water in the wash pool 5 that recoils is flowed up by filter medium 3, reaches the mesh cleaned to filter medium 3 's；And in the process, if the flow detected by flowmeter 9 at water outlet 8 very little, it is less than certain numerical value, And backwash when not occurring actively also, the effect of pressure siphon member 7 in 17 exit of control system control auxiliary siphon pipe, it aspirates Flow makes flow force to reach the top of siphon pipe, promotes the generation of siphonic effect, realize the purpose of backwash at this time；Separately Outside, according to actual needs, if you do not need to it is too long to filter medium washing time, control system can be passed through in siphonic process The control valve 13 controlled on siphon destructing tube 14 is opened, and is made to enter air at the top of siphon pipe, is destroyed ongoing siphonic effect, Achieve the purpose that force to prevent backwash, save water resource, while the switch valve 18 for controlling water inlet 19 is opened, and is carried out next Filter back-flush cycle period.

Claims (7)

1. a kind of intelligent control gravity type back flushing filter device, including tank body（1）, filtered water tank（10）, recoil wash pool （5）, filtration system and siphon pipe, it is characterised in that：The back-flushing filtering device further includes dissolved oxygen aeration case（15）, dissolved oxygen It is aerated case（15）With the water inlet of raw water（19）It communicates, dissolved oxygen is aerated case（15）Lower part be connected with siphon pipe, water inlet （19）Place is equipped with switch valve（18）；The filtered water tank（10）With recoil wash pool（5）Between be equipped with communicating pipe（4）, filtered water tank（10） Lower end is equipped with water outlet（8）, water outlet（8）Place is equipped with flowmeter（9）；The siphon pipe is inverted U shape, including siphon tedge （12）With siphon down-comer（17）, auxiliary siphon tube is respectively equipped at the top of siphon pipe（16）And siphon destructing tube（14）, described Siphon destructing tube（14）It is equipped with control valve（13）, auxiliary siphon tube（16）Bottom, which is equipped with, forces siphon member（7）；The flow Meter（9）, switch valve（18）, siphon destructing tube（14）On control valve（13）And auxiliary siphon tube（16）The pressure siphon of bottom Component（7）It is electrically connected with control system, the control panel of control system is mounted on tank body（1）Outside.

2. intelligent control gravity type back flushing filter device according to claim 1, it is characterised in that：It is described backwashed Device is filtered to be symmetrical arranged；The water inlet of raw water and the water outlet of clear water are separately positioned on the both sides of back-flushing filtering device.

3. intelligent control gravity type back flushing filter device according to claim 2, it is characterised in that：The filtration system Including conical baffled（2）And filter layer（3）.

4. intelligent control gravity type back flushing filter device according to claim 3, it is characterised in that：The filter layer （3）Bottom is equipped with supporting plate.

5. intelligent control gravity type back flushing filter device according to claim 4, it is characterised in that：The siphon rises Pipe（12）Water inlet be arranged conical baffled（2）And filter layer（3）Between.

6. intelligent control gravity type back flushing filter device according to claim 5, it is characterised in that：The siphon rises The inlet of pipe is equipped with water-distributing device（11）.

7. intelligent control gravity type back flushing filter device according to claim 6, it is characterised in that：The pressure siphon Component（7）Including power plant and air extractor.