CN206219287U - A kind of plunger type screen filtration device for pre-processing livestock breeding wastewater - Google Patents

A kind of plunger type screen filtration device for pre-processing livestock breeding wastewater Download PDF

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Publication number
CN206219287U
CN206219287U CN201620895698.2U CN201620895698U CN206219287U CN 206219287 U CN206219287 U CN 206219287U CN 201620895698 U CN201620895698 U CN 201620895698U CN 206219287 U CN206219287 U CN 206219287U
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filter
water
granular membrane
chamber
plunger type
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郭召海
吴成强
陈晴
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Jia Jing Environmental Protection Science And Technology Co Ltd Is Initiated In Suzhou
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Jia Jing Environmental Protection Science And Technology Co Ltd Is Initiated In Suzhou
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Abstract

The utility model is related to a kind of plunger type screen filtration device for pre-processing livestock breeding wastewater, including granular membrane, granular membrane is provided with water inlet, air inlet, delivery port and mud discharging mouth, water inlet is located at granular membrane top, and is connected with into water water pump and compound pump by water intaking valve on water inlet;The filter screen that its inner space is separated into filter chamber and drip chamber is provided with granular membrane;The pipe-line mixer connected with water inlet is provided with granular membrane, pipe-line mixer is placed in filter chamber.Waste water is fed pipe-line mixer by water inlet, then flows into filter chamber, is discharged by the discharge outlet of drip chamber bottom through the clear water after sieves net filtration;Water inlet is connected with compound pump by pipeline and feeds in pipe-line mixer pharmacy jar inner liquid medicine;Air inlet is connected with air blower by pipeline and air is blasted into the sludge on drip chamber stripping filter screen, it is seen then that the utility model is simple to operate, can effectively filter the excrement solid impurity particle thing in removal waste water.

Description

A kind of plunger type screen filtration device for pre-processing livestock breeding wastewater
Technical field
The utility model belongs to animal husbandry field wastewater processing technology, more particularly to a kind of post for pre-processing livestock breeding wastewater Plug screen filtration device.
Background technology
Solid-liquid separation technique refers to separate the solid constituent and liquid solution in pollutant.According to separation of solid and liquid mistake The motive force of journey, can be divided into three major types by solid-liquid separating method:(1) settling methods, it is to make solid using Action of Gravity Field Grain sedimentation has settling tank, various thickeners etc. so as to the method for reaching separation of solid and liquid, industrial conventional equipment;(2) filter Method, it is the method for realizing separation of solid and liquid by means of filter medium using filtered driving force, is the method for the most frequently used acquisition clear liquid, is commonly used Equipment is various types of filters;(3) centrifugal separation, it is to make solid particles sediment and filtering using centrifugal action Method, under strong centrifugal action, the larger solid particle rapid subsidence of proportion forms mud cake in rotating cylinder inwall, isolates Moisture forms liquid level on mud cake surface, and the speed discrepancy between helical form conveyer and rotating cylinder in rotating cylinder makes mud cake by spiral Conveyer blade pinches are to discharge at the conical outlet of rotating cylinder, and the moisture isolated cylindrical end then from rotating cylinder is through overflow weir flow Go out, the most frequently used equipment has sedimentation centrifuge and filter centrifugal etc..
Contain substantial amounts of excrement slag in breeding wastewater, solid content is very high, and the normal process of this kind of waste water, place up to standard are disturbed always Reason difficulty is big.At present, many plants employ simple Washdown type granular membrane filtration treatment, and excrement slag and water separating effect are not Substantially, while artificial manipulation strength is big;Part plant employs belt filter press filtration treatment, but belt filter press feeds water Pump lift is high, high energy consumption, causes operating cost can not to be in any more, and enterprise is difficult to bear;Ye You plants use coagulating sedimentation technology Pretreatment breeding wastewater, solid-liquid separation effect is obvious, but dosing is very big, not only increases considerably operating cost, and And waste residue yield is increased, improve solidification disposal of waste cost.Therefore, it is one that the economical and effective of excrement slag is separated in breeding wastewater It is worth the problem of research.
Granular membrane is a kind of simple and effective filter plant, and cost is relatively cheap, at home and abroad industrial wastewater, city Using extensive in city's sanitary wastewater and agricultural irrigation systems.The filtration mechanism of granular membrane is exactly the hole for utilizing screen cloth, Impurity particle more than pore-size is retained down, and obtains the fluid product for needing.Its Main Function is in filtering out waste water The dirt such as organic suspended matter, solid debris, silt.In actual motion, be easiest to generation is exactly screen cloth to granular membrane Block, for example, when organic suspended matter content is slightly higher in waste water, especially when pressure is larger, substantial amounts of organic dirt can glue On screen cloth and get into sieve screen apertures, cause filtration system water route not smooth and block, therefore, screen cloth needs often cleaning.
How to overcome traditional screen filtration technology blockage problem and reduce the cleaning frequency, explore more efficient filtering technique, As proposition starting point of the present utility model.
Coagulation technology is the common technology using larger molecular organicses and colloidal solid thing in coagulant removal waste water, its work With being the surface characteristic that changes colloidal solid by adding chemical agent, scattered colloidal solid is set to assemble to form bulky grain Thing.The a series of problems for causing is blocked in order to solve screen filtration, the utility model develops a kind of by coagulated agent change Physical property of particle and can make its coacervating large particle thing in waste water, so that reduce organic matter or small particle is sticked on screen cloth, from And effectively solve screen filtration blockage problem.
Utility model content
In order to solve the above technical problems, the purpose of this utility model be to provide a kind of screen cloth will not block, without cleaning screen The plunger type screen filtration device of net and stable pretreatment livestock breeding wastewater.
The plunger type screen filtration device of pretreatment livestock breeding wastewater of the present utility model, including granular membrane,
- the granular membrane is provided with water inlet, air inlet, delivery port and mud discharging mouth, and the water inlet is located at described Granular membrane top, and be connected with into water water pump and compound pump by water intaking valve on water inlet;
The filter screen that its inner space is separated into filter chamber and drip chamber is provided with-the granular membrane;
The pipe-line mixer connected with the water inlet is provided with-the granular membrane, the pipe-line mixer is placed in In the filter chamber.
Further, the filter screen includes filtering skeleton and opens the screen cloth being located at thereon, and the filtering skeleton is thick 3 ~8mm, aperture are the stainless (steel) wire of 5~10mm, and the filter screen is rust steel matter net, nylon that aperture is 0.075~1mm Or filter cloth.
Further, the air inlet is located on the drip chamber side, and the air inlet is provided with intake valve, and passes through Pipeline is connected with air blower.
Further, the mud discharging mouth is arranged on the granular membrane bottom and is connected with the filter chamber, the row Mud mouthful is provided with mud valve.
Further, the delivery port is located at the drip chamber bottom, and outlet valve is provided with delivery port.
Further, the compound pump is connected with pharmacy jar by pipeline.
Further, the granular membrane is cylinder, and its inner chamber is radially divided into institute by the filter screen State filter chamber and drip chamber.
Further, the filter chamber and drip chamber volume ratio are 10~50:1.
By such scheme, this is new by improving water inlet and backwash mode and optimizing mesh size, effectively improves Screen cloth by performance, while increased medicament booster action by screen filtration process, improve the adhesiveness of particulate matter With aggregation performance, the strainability of screen cloth is greatly improved, hence it is evident that reduce backwash frequency, and it is simple to operate, energy consumption is low, It is stable, the problems such as solving traditional granular membrane blocking, backwash frequent.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is experimental test tables of data.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
Reference picture 1, the plunger type screen filtration device for pre-processing livestock breeding wastewater includes granular membrane 10, screen cloth mistake Filter 10 is provided with water inlet 11, air inlet 12, delivery port 13 and mud discharging mouth 14, and water inlet 11 is pushed up positioned at granular membrane 10 Portion, and be connected with into water water pump 20 and compound pump 30 by water intaking valve 61 on water inlet 11, compound pump 30 is connected by pipeline There is pharmacy jar 70;The filter screen that its inner space is separated into filter chamber 15 and drip chamber 16 is provided with granular membrane 10 40;The pipe-line mixer 50 connected with water inlet 11 is provided with granular membrane 10, pipe-line mixer 50 is placed in filter chamber 15.
Air inlet 12 is arranged on the side surface upper part of granular membrane 10, is connected with air blower 63 by pipeline, and air directly enters Enter drip chamber 12;Delivery port 13 is arranged on the side lower of granular membrane 10, and the internal water of drip chamber 16 is discharged by delivery port 13;Row Mud mouthful 14 is arranged on the bottom of granular membrane 10, is connected with filter chamber 15.And intake valve 62, mud discharging mouth are provided with air inlet 12 14 are provided with mud valve 64, and delivery port 13 is provided with outlet valve 65.
Specifically, granular membrane 10 is cylinder in the utility model, its inner chamber is radially split by filter screen 40 For filter chamber 15 and drip chamber 16, filter chamber 15 and the volume ratio of drip chamber 16 are 10~50:1.Filter screen 40 includes filtering bone Frame and screen cloth thereon is located at, filtering skeleton is 3~8mm of thickness, the stainless (steel) wire that aperture is 5~10mm, and filter screen is hole Footpath is rust steel matter net, nylon or the filter cloth of 0.075~1mm.
Used as the preferred embodiment of the present embodiment, the dischargeable capacity of granular membrane 10 is 15L in the present embodiment, a diameter of 200mm, vertical height is 0.5m, and the mesh number of filter screen 40 is 120 mesh, and the volume of the filter chamber 15 after separation is 12L, draining The volume of room 16 is 3L;Water inlet 11 is located at directly over granular membrane 10, air inlet 12 away from the top 0.05m of granular membrane 10, Delivery port 13 is located at immediately below granular membrane 10 apart from the bottom 0.05m of granular membrane 10, mud discharging mouth 14;Water inlet 11, enter Gas port 12, mud discharging mouth 14, delivery port 13 are equiped with motor-driven valve;Medicament is respectively adopted aluminium polychloride and polyacrylamide PAM.
Operation principle of the present utility model is:
Water inlet water pump 20 is opened, waste water enters the filtering of granular membrane 10 by water pump 20 of intaking through pipe-line mixer 50 In room 15;Compound pump 30 is opened simultaneously, and medicament enters the filtering of granular membrane 10 by compound pump 30 through pipe-line mixer 50 In room 15, medicament and waste water mix merga pass filter screen 40 in filter chamber 15 and are discharged by delivery port 13;When wastewater flow subtracts After small 50%, close down into water water pump 20 and compound pump 30 and the water intaking valve 61 closed on water inlet 11, open air blower 63, pressure Air enters drip chamber 16 and by the stripping surface sludge of filter screen 40 by air blower 63, in company with sludge together from filter chamber The mud discharging mouth 14 of 15 bottoms is discharged, the working time of air blower 63 be 2 minutes, after spoil disposal terminates, close down air blower 63 and close into Air valve 62 and mud valve 64, are then turned on into water water pump 20 and compound pump 30 and open water intaking valve 61, normal work.
The waste water object of test process is breeding wastewater, and concentration of suspension is 8000~15000mg/m3, result of the test is shown in Fig. 2.In the running of granular membrane 10, the flow velocity of pipe-line mixer 50 is 7.5m/s, and the water flux of filter screen 40 is 4m3/ (m2.h), the backwash of filter screen 40 air flux is 100m3/(m2.h), medicament aluminium polychloride consumption is 2g/L, PAM consumption It is 100mg/L.Continuous operation 2 days, 90%~96%, backwash number of times is 1 time/h to removal efficiency stabilization.
Above result of study is compared with existing screen filtration technology, and filter efficiency is higher, stable, clogging compared with It is few.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that For those skilled in the art, on the premise of the utility model know-why is not departed from, can also do Go out some improvement and modification, these are improved and modification also should be regarded as protection domain of the present utility model.

Claims (8)

1. it is a kind of pre-process livestock breeding wastewater plunger type screen filtration device, it is characterised in that:Including granular membrane,
- the granular membrane is provided with water inlet, air inlet, delivery port and mud discharging mouth, and the water inlet is located at the screen cloth Filter top, and be connected with into water water pump and compound pump by water intaking valve on water inlet;
The filter screen that its inner space is separated into filter chamber and drip chamber is provided with-the granular membrane;
The pipe-line mixer connected with the water inlet is provided with-the granular membrane, the pipe-line mixer is placed in described In filter chamber.
2. it is according to claim 1 pretreatment livestock breeding wastewater plunger type screen filtration device, it is characterised in that:Institute Stating filter screen includes filtering skeleton and opens the screen cloth being located at thereon, and the filtering skeleton is 3~8mm of thickness, aperture is 5~10mm Stainless (steel) wire, the filter screen is rust steel matter net, nylon or filter cloth that aperture is 0.075~1mm.
3. it is according to claim 1 pretreatment livestock breeding wastewater plunger type screen filtration device, it is characterised in that:Institute Air inlet is stated on the drip chamber side, the air inlet is provided with intake valve, and is connected with air blower by pipeline.
4. it is according to claim 1 pretreatment livestock breeding wastewater plunger type screen filtration device, it is characterised in that:Institute State mud discharging mouth to be arranged on the granular membrane bottom and connected with the filter chamber, the mud discharging mouth is provided with mud valve.
5. it is according to claim 1 pretreatment livestock breeding wastewater plunger type screen filtration device, it is characterised in that:Institute Delivery port is stated positioned at the drip chamber bottom, and outlet valve is provided with delivery port.
6. it is according to claim 1 pretreatment livestock breeding wastewater plunger type screen filtration device, it is characterised in that:Institute State compound pump and pharmacy jar is connected with by pipeline.
7. the plunger type screen filtration device of the pretreatment livestock breeding wastewater according to claim any one of 1-6, it is special Levy and be:The granular membrane be cylinder, its inner chamber by the filter screen be radially divided into the filter chamber with Drip chamber.
8. it is according to claim 7 pretreatment livestock breeding wastewater plunger type screen filtration device, it is characterised in that:Institute It is 10~50 to state filter chamber and drip chamber volume ratio:1.
CN201620895698.2U 2016-08-18 2016-08-18 A kind of plunger type screen filtration device for pre-processing livestock breeding wastewater Active CN206219287U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106115882A (en) * 2016-08-18 2016-11-16 苏州首创嘉净环保科技股份有限公司 A kind of plunger type screen filtration device of pretreatment livestock breeding wastewater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106115882A (en) * 2016-08-18 2016-11-16 苏州首创嘉净环保科技股份有限公司 A kind of plunger type screen filtration device of pretreatment livestock breeding wastewater

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