CN206508662U - A kind of plate-frame filtering device of use multistage filtering mode - Google Patents

Abstract

The utility model discloses a kind of plate-frame filtering device of use multistage filtering mode, solution to be filtered from mouth piece after the swabbing action of corrosion protection pump by thick liquid entrance enter cleaner in carry out primary filter, the by-pass filtration pond that subsequent solution enters plate filter completes primary filter process, remove the big particle diameter impurity in solution, filter cloth aperture in secondary filtration pond is smaller, so as to complete the removal of time particles in solution, and fine filtering pond then removes the particle of small particle, so as to complete the filtering operation of solution, secondly, in one-level and secondary filtration pond, heavy area is additionally arranged between two grades and fine filtering pond, the negative effect that agitation of the turbulent flow to impurity particle comes to filter bag can be alleviated, bottom solution in fine filtering pond is flowed into collector tube, most flowed out afterwards through purified liquor outlet.The present apparatus can improve the filter efficiency of solid particle in solution, the problem of solving single existing plate filter filter type, poor effect and low efficiency.

Description

A kind of plate-frame filtering device of use multistage filtering mode

Technical field

The utility model is related to a kind of plate-frame filtering device of use multistage filtering mode, belongs to filter press technical field.

Background technology

The processing of waste water is considerably complicated, the selection of processing method, it is necessary to which, according to the water quality and quantity of waste water, what is be discharged into connects The purposes of water body or water received considers, while it is also contemplated that the processing of the sludge produced in wastewater treatment process, residue utilize and Issuable secondary pollution problem, and flocculant recycling use at present it is a kind of using physical action processing, point From with reclaim waste water in pollutant, for example with the precipitation method remove water in relative density be more than 1 suspended particulate while reclaim These particulate matters, plate filter is a kind of conventional chemical filtration equipment, is stainless steel multilayer plate and frame type filter-press, it is adaptable to The closed filtering of the concentration liquid that viscosity is relatively low below 50%, dregginess is less, to reach purification, the refined filtration such as sterilizing, clarification, half The requirement of refined filtration, directly from miillpore filter, can directly reach the purpose of aseptic filtration without microporous membrane filters.Filtered Cheng Zhong, supernatant liquid is with each closed filter chamber of filter is pumped into, in the presence of operating pressure, filtrate through filter membrane or its Its filter material, is discharged through liquid outlet, and filter residue then stays in inframe formation filter cake, so as to reach separation of solid and liquid purpose.

In order to improve production efficiency, improve product quality, reduce cost etc., technical staff mulberry leaf shear production technology and Constantly improvement is carried out in production equipment.In production equipment has been cut off, the production technology document sheared for mulberry leaf has：

1st, patent document【Application number：201520498265.9】" a kind of pressure type plate filter " is disclosed, it includes Gear pump, cleaner, safety valve, oil return valve, oil-out, oil inlet, filter bed, rear fender control-rod, fore-stock, after-poppet, bottom Disk, pull bar, shaft coupling, motor and roller.Described shaft coupling, gear pump, motor are arranged on chassis, and are mutually interconnected Connect.Connected between chassis and filter bed by front and back support, chassis bottom is provided with four rolling, and is provided with the outside of fore-stock Pull bar.Cleaner is arranged on the front side of gear pump, and gear pump, shaft coupling, cleaner, filter bed pass through pipeline connection composition sheet frame mistake Filter the filtering oil circuit of device, be provided with return line at filter bed oil-out and cleaner oil inlet in addition, between oil return valve is installed. It has been arranged in parallel between gear pump enters flowline on a safety line, pipeline and has been provided with safety valve.The apparatus structure is complicated, mistake The mode of filter is single, and how the mesh number of filter cloth selects not to be described, and secondly equipment investment is big, limits it and uses scope.

2nd, patent document【Application number：201420499093.2】Disclose a kind of " exempting from salification formula plate filter ", including Charging aperture, sheet frame, base, filter plate, bottom plate, discharging opening, discharge nozzle, recoil tube, flush pipe and pressure detector, charging aperture are located at Sheet frame side, bottom plate is located at below sheet frame, and forms pyramidal structure with sheet frame；Base is located in sheet frame, and higher than charging aperture institute It is arranged with multiple filter plates in parallel on position, base, discharging opening is located at the offside of the enterprising material mouth of sheet frame；Set respectively outside discharging opening There are mozzle, discharge nozzle and flush pipe, pressure detector is located on base, and is connected with outlet valve, recoil valve and flushing valve. The apparatus structure is simple, but its work principle of filter is excessively idealized, and recoil tube and flush pipe are so reliable in not imagining, and The structure of device is substantially uneven, and mechanical property is bad, very weak to the turbulent flow vibration resistance produced by internal liquid.

In summary, to be primarily present structural principle excessively complicated for existing concentration detection device, and equipment investment is big, efficiency and standard True property is very big to the dependence of sensor；Existing plate filter is primarily present its mixing principle and excessively idealized, and function is not The defect such as comprehensively, labor strength is excessive.

The content of the invention

The utility model provides a kind of multistage sheet frame filter with circulating filtration ability, existing the purpose is to solve There is provided a kind of filtering accuracy is high and safety, conveniently moving, changes that filter element is convenient, simple to operate, cost is low for technological deficiency Pressure type plate filter.

A kind of plate-frame filtering device of use multistage filtering mode, pin cup is located at bottom by four of screw thread and mainframe The connection of angle end, the mainframe being then positioned on ground using pin cup is stable, being provided with the both sides of mainframe a series of Connecting plate, the other end of connecting plate is fixed on bottom bracing frame side, so as to bottom bracing frame and mainframe be connected, in bottom bracing frame Collector tube is installed in upside, and the collector tube of mainframe both sides joins in the front end of mainframe, and be mounted with clear liquid joining to select Outlet.Corrosion protection pump is installed, mouth piece is installed in corrosion protection pump side on the downside of the mainframe front end, the other end then with thick liquid entrance Connection, the other end of thick liquid entrance is passed through in cleaner, and the cleaner is then arranged on the front end side of mainframe, described The inside of mainframe is divided into three-stage filtration pond and two sections of buffer pools, respectively by-pass filtration pond and secondary filtration pond, fine filtering Pond, has been respectively mounted sheet frame and filter cloth, filter cloth is then fixed in sheet frame, fine filtering pond in by-pass filtration pond and secondary filtration pond Fine filtering component is inside then mounted with, solution is flowed into collector tube via discharging tube again after fine filtering component filters.

The fine filtering component includes cover plate, mesh filter cloth more than two grades, component framework, scrapes ear and one-level filter cloth, the lid Plate is fixed on the outside of component framework, is one-level filter cloth between cover plate and component framework, mesh filter cloth is then arranged in group more than two grades Part lower portion, is mounted with to scrape ear in the left and right sides upper end of the component framework, scrapes ear simultaneously by transfer tube and component blocks The upper end connection of frame.

The upper end both sides of the component framework are machined with hole, and solution flows from lower to upper under the effect of component framework intrinsic pressure Hole and transfer tube after dynamic through its both sides flow into the through hole that mainframe box is processed with component framework contact site, then via discharging tube Into collector tube.

Remarkable result of the present utility model is：

1st, the utility model is simple in construction, and the loop of filtrate flows is clear, and filter effect is high, next spare and accessory parts knot used Structure is simple, except mainframe use welding procedure make it is outer remaining can with selection standard part, can effectively reduce manufacture with Use cost.

2nd, the advantage especially protruded is that the present apparatus can realize the mode of multistage filtering, and wherein by-pass filtration pond completes primary Filter process, the filter cloth aperture removed in the big particle diameter impurity in solution, secondary filtration pond is smaller, so as to complete time grain in solution The removal of footpath particle, and fine filtering pond then preferably removes the particle of small particle, so that the filtering operation of solution is completed, secondly, Buffer pool is additionally arranged between fine filtering pond, it is therefore intended that alleviate turbulent flow to impurity in one-level and secondary filtration pond, two grades The negative effect that the agitation of grain comes to filter bag.

3rd, the present apparatus is the improvement of traditional flame filter press, changes the filtering of traditional flame filter press simple coarse Mode, takes full advantage of the advantage of multistage filtering, and being especially provided with one in short transverse in the inside of fine filtering component is The filter cloth of row, in addition to the advantage for reusing multistage filtering, gravity promotes the effect of impurity particle precipitation to be also significant.

Brief description of the drawings

Fig. 1 is general assembly schematic diagram of the present utility model, wherein：1- mainframes；2- fine filtering components；3- sheet frames；4- is filtered Cloth；5- cleaners；The thick liquid entrances of 6-；7- adjustable foots cup；8- mouth pieces；9- corrosion protection pumps；10- purified liquor outlets；11- collector tubes；12- Connecting plate；13- bottom bracing framves；14- discharging tubes.

Fig. 2 is working medium dynamic flow diagram schematic diagram of the present utility model, wherein, A is filtrate flows direction signs, and B was Filter inlet liquid feeding direction signs, C identifies for the flow direction of collector tube internal liquid.

Fig. 3 is fine filtering component diagram of the present utility model.Wherein：15- cover plates；16- mesh filter clothes more than bis- grades；17- Component framework；18- scrapes ear；19- one-level filter clothes;20- transfer tubes.

Fig. 4 is each section inside mainframe of the present utility model of function distribution schematic diagram.

Embodiment

Illustrated shown in compares figure 1-4, to ensure best filter effect, the utility model needs before operation Necessary preparation is carried out, operating personnel need to get out filter cloth 4 and sheet frame 3 in advance, and they are parallelly mounted on request In the inner chamber of mainframe 1, connection and the sealing of pipeline are then checked for, and ensures related discharging tube 14, transfer tube 20, liquid collecting The pipeline of pipe 11 is unimpeded, the normal work of cleaner 5, and clear water can be used to carry out the trial operation present apparatus, the work of facilities for observation It is whether normal, so far complete preparation.

Starter when needing to filter related solution, solution to be filtered the taking out through corrosion protection pump 9 from mouth piece 8 Entered after suction effect by thick liquid entrance 6 and primary filter is carried out in cleaner 5, subsequent solution enters the by-pass filtration of plate filter Pond completes primary filter process, removes the big particle diameter impurity in solution, the precipitation of short time is then carried out in buffer pool, immediately The filter cloth aperture in entrance secondary filtration pond, secondary filtration pond is smaller, so that the removal of time particles in solution is completed, and Fine filtering pond then removes the particle of smaller particle, and solution is under the effect of the intrinsic pressure of component framework 17, after flowing from lower to upper, Hole and transfer tube 20 through its both sides flow into the through hole that mainframe 1 is processed with the contact site of component framework 17, then via discharge opeing Pipe 14 enters collector tube 11, so as to complete the filtering operation of solution.One-level and secondary filtration pond, two grades with fine filtering pond it Between be additionally arranged settling zone, the negative effect that turbulent flow comes to the agitation of impurity particle to filter bag can be alleviated, in fine filtering pond Bottom solution flow into collector tube 11 in, most flowed out afterwards through purified liquor outlet 10.

Claims (3)

1. a kind of plate-frame filtering device of use multistage filtering mode, adjustable foot cup（7）Pass through screw thread and mainframe（1）Four Angle end positioned at bottom is connected, mainframe（1）Utilize adjustable foot cup（7）Stable is positioned on ground, in mainframe（1）Two Side is provided with connecting plate（12）, connecting plate（12）The other end be fixed on bottom bracing frame（13）Side, so that by bottom bracing frame（13）With Mainframe（1）Connect, in bottom bracing frame（13）Upside is installed by collector tube（11）, mainframe（1）The collector tube of both sides（11） Mainframe（1）Front end join, and purified liquor outlet is a little installed joining（10）, it is characterised in that：The mainframe（1） Corrosion protection pump is installed on the downside of front end（9）, corrosion protection pump（9）Side is installed by mouth piece（8）, the other end then with thick liquid entrance（6）Even Connect, thick liquid entrance（6）The other end be passed through cleaner（5）In, the cleaner（5）Then it is arranged on mainframe（1）Front On face, in the mainframe（1）Inside be divided into three-stage filtration pond and two sections of buffering areas, respectively by-pass filtration pond and two grades of mistakes Filter tank, fine filtering pond, sheet frame has been respectively mounted in by-pass filtration pond and secondary filtration pond（3）And filter cloth（4）, filter cloth（4）Then It is fixed on sheet frame（3）It is interior, be then mounted with fine filtering component in fine filtering pond, solution after fine filtering component filters again Via discharging tube（14）Flow into collector tube（11）In.

2. a kind of plate-frame filtering device of use multistage filtering mode according to claim 1, it is characterised in that：The essence Thin filter assemblies include cover plate（15）, mesh filter cloth more than two grades（16）, component framework（17）, scrape ear（18）With one-level filter cloth（19）, The cover plate（15）It is fixed on component framework（17）Outside, in cover plate（15）With component framework（17）Between be one-level filter cloth （19）, mesh filter cloth more than two grades（16）Then it is arranged in component framework（17）Inside, in the component framework（17）The left and right sides on End is mounted with to scrape ear（18）, scrape ear（18）Pass through transfer tube simultaneously（20）With component framework（17）Upper end connection.

3. a kind of plate-frame filtering device of use multistage filtering mode according to claim 2, it is characterised in that：Described group Part framework（17）Upper end both sides be machined with hole, solution is in component framework（17）Passed through after being flowed from lower to upper under intrinsic pressure effect The hole of its both sides and transfer tube（20）Flow into mainframe（1）With component framework（17）Contact site processing through hole, then via Discharging tube（14）Into collector tube（11）.