CN202113660U - Automatic pressure filtration dehydration equipment - Google Patents
Automatic pressure filtration dehydration equipment Download PDFInfo
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- CN202113660U CN202113660U CN2011201335790U CN201120133579U CN202113660U CN 202113660 U CN202113660 U CN 202113660U CN 2011201335790 U CN2011201335790 U CN 2011201335790U CN 201120133579 U CN201120133579 U CN 201120133579U CN 202113660 U CN202113660 U CN 202113660U
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Abstract
The utility model relates to automatic pressure filtration dehydration equipment, belonging to the technical field of environmental-protection squeezing. The automatic pressure filtration dehydration equipment comprises one or more pressure filtration units and a bottom pressure filtration tank, wherein the pressure filtration unit(s) is/are arranged above the bottom pressure filtration tank; and each pressure filtration unit comprises a pressure filtration plate and a pressure filtration frame. The automatic pressure filtration dehydration equipment has the advantages that the pressure filtration plates can carry out pressure filtration on water-containing material in the pressure filtration frames in a form of the motion of a piston, therefore, the uniformity of the pressure filtration of the pressure filtration plates is high, and the deformed abrasion of the pressure filtration plates is small; the material is filled from the side walls of the pressure filtration plates, therefore, the pressure-bearing strength of the pressure filtration frames can be improved, and the high-pressure filtration can be carried out smoothly; high-pressure air is blown into a pressure filtration chamber via through holes arranged on the bottom surface and the top surface of the pressure filtration chamber, therefore, the material after pressure filtration can be unloaded easily; and grooves are arranged on the bottom surfaces of the pressure filtration plates and on the bottom surface of the bottom pressure filtration unit, therefore, the liquid formed by pressure filtration cannot flow back to the dry material when in unloading, so that the pressure filtration effect can be kept.
Description
Technical field
The utility model relates to a kind of automatic filter-press dehydration equipment, belongs to environmental protection Technology in Pressing field.
Background technology
The high-moisture percentage of mud is a principal element that influences sludge treatment and resource; The domestic now technology that adopts is cheaply carried out processed to the mud of moisture content about 80% more, and the method for wherein carrying out deep dehydration to moisture 75%～85% mud mainly contains: heat drying: investment is high, energy consumption is big; Microwave drying: investment is high, energy consumption is big; Solar energy drying: operating cost is low, receive weather effect big; The dehydration of board-like barrier film: maintenance cost is high, the thickened sludge of suitable moisture content more than 90% only.Therefore the plate and frame filter press that above-mentioned board-like barrier film evaporation is adopted is widely used because have the advantage of mass squeezing.But employed on the market now plate and frame filter press has following deficiency: 1, narrow application range: can only squeeze up to the material more than 90% to moisture content; Equipment is huge, and can not adjust instrument size according to production scale; 2, filter membrane stops up frequent; 3, charging aperture is single, and the press filtration chamber of press filtration unit influences each other, and stops up the work that can influence whole production line aborning like charging aperture, causes damp production, safeguards loaded down with trivial details; 4, the sealing effectiveness of press filtration unit is poor, and vibration equipment is strong, and material flows out serious, influences the press filtration effect; 5, automaticity is low, can not adjust the progress of work automatically to real-time manufacturing parameter; Artificial incorrect operation is prone to cause device damage; 6, the single lead of bilateral makes the press operation poor stability, and equipment is higher from decreasing; 7, the press filtration unit independently promotes weak effect, is unfavorable for discharging.Chinese patent CN201505474 discloses a kind of vertical type blotter press, and the utility model purpose of this patent is: solve filter press and instability problems such as vibrations and leakage occur, but do not have the relevant technical scheme of clear description in its specification; This patent is the diaphragm type press filtration; Maintenance cost is high, and pressure is low, and the filter cake mass dryness fraction is low after the press filtration; Do not reach the requirement that post-processed is utilized, a filter element goes wrong and influences the work of whole production line.
Summary of the invention
To the deficiency of existing filtering equipment, the utility model provides a kind of automatic filter-press dehydration equipment.The utility model can dewater to the thickened sludge of water content about dewatered sludge about 80% and moisture 90%-98% that sewage treatment plant is got rid of, and moisture percentage in sewage sludge is reduced to below 60%, realizes that mud decrement is more than 50%.The utility model can also be realized filtering means dehydration of the filtering means dehydration of the filtering means dehydration of petrochemical industry mud, mine industry mud and pigment industry mud etc.
The technical scheme of the automatic filter-press dehydration equipment of the utility model is following:
A kind of automatic filter-press dehydration equipment comprises portal frame, oil hydraulic cylinder, platen and press filtration sheet frame group; Oil hydraulic cylinder is installed in the top of portal frame, and platen links to each other with oil hydraulic cylinder, and platen links to each other with press filtration sheet frame group; It is characterized in that described press filtration sheet frame group comprises press filtration unit and bottom pressing filter box; The press filtration unit is above the pressing filter box of bottom; The press filtration unit comprises press filtration plate and press filtration frame; Said press filtration plate comprises top cover, sidewall and bottom surface; High pressure pore, feed pipe and drain pipe are arranged on the sidewall of press filtration plate, charging aperture, through hole and the groove of perforation arranged in the bottom surface of press filtration plate, described feed pipe links to each other with charging aperture; The water inlet end of described drain pipe is installed in the groove; In the bottom surface of press filtration plate, and filter membrane is arranged with the contacted one side of material, on the filter membrane and with the corresponding position of charging aperture on through hole is arranged; The shape of press filtration plate bottom shape and press filtration frame adapts, and press filtration plate bottom surface is movably arranged in the press filtration frame; The press filtration plate is connected through limiting component with the press filtration frame; Said bottom pressing filter box comprises top cover, sidewall and bottom surface, and high pressure pore and drain pipe are arranged on the sidewall of bottom pressing filter box, on the top cover of bottom pressing filter box, through hole is arranged; Fluted on the bottom surface of bottom pressing filter box, the water inlet end of described drain pipe is installed in the groove; The top cover upper surface of pressing filter box has filter membrane in the bottom.The advantage of above technical characterictic is: 1, the utility model is through mode in press filtration frame the press filtration water-containing materials of press filtration plate with the piston motion; Than the existing diaphragm of rubber deformation press filtration water-containing materials that passes through; Its advantage is that the press filtration uniformity of press filtration plate is high, and the deformation wearing and tearing are little; 2, the utility model is through the sidewall injecting material of press filtration plate, and through press filtration frame sidewall injecting material, its advantage is than existing: improve the bearing strength of press filtration frame, guarantee carrying out smoothly of high pressure press filtration; 3, the gases at high pressure of the utility model are blown into the press filtration chamber through the bottom surface and the through hole on the end face in press filtration chamber, are easy to the material discharging after the press filtration; 4, the effect that is provided with groove of the bottom surface of the bottom surface of press filtration plate and press filtration unit, bottom is: when the press filtration material; The liquid that squeezes out can get into respectively in press filtration plate and the press filtration unit, bottom through through hole; Liquid flows in the groove automatically; This moment, the air pressure in press filtration plate and the press filtration unit, bottom was higher than external pressure, and then liquid is all extruded press filtration sheet frame group under the blow pressure of gases at high pressure; Advantage is: the liquid that can not that press filtration goes out is back in the material that drains when discharging, and the press filtration effect is maintained.
Described charging aperture is arranged on the geometric center position of press filtration plate bottom surface.
The quantity of described press filtration unit is one or more; Arrange from top to bottom: when the quantity of press filtration unit is 1; Link to each other through attaching parts between press filtration unit and the bottom pressing filter box, under the effect of gravity, attaching parts make the distance that level altitude is arranged between press filtration unit and the bottom pressing filter box; When the quantity of press filtration unit is a plurality of,, on the top cover of press filtration plate through hole is arranged in the press filtration unit, on the upper surface of its top cover, filter membrane is arranged since second press filtration unit; Between the press filtration unit, link to each other through attaching parts between bottom pressing filter box and the adjacent press filtration unit, under the effect of gravity, attaching parts make between the press filtration unit, the distance of level altitude is arranged between bottom pressing filter box and the adjacent press filtration unit.The advantage of above technical characterictic is: 1, a plurality of press filtration unit can carry out the squeezing material in batches; Independently feeding manner is independent of each other press filtration unit adjacent one another are with the squeezing space; Dehydration rate can not change because of the change of squeezing position, and dehydrating effect is even; 2, the advantage of attaching parts is: when needs press filtration material, realize that through attaching parts alignment compresses at the press filtration unit, pushing next top and the bottom pressing filter box of platen automatically; When press filtration finishes when needing discharging, promote at platen, press filtration unit, top automatically separates the distance of fixing through attaching parts with the bottom pressing filter box under the effect of gravity, for the unloading of material provides necessary path spacing.
Described limiting component is a kind of in connection chain or the interlocking boss, and described interlocking boss: outward flange has boss in the lower end of press filtration plate, and inward flange has boss in press filtration frame upper end, more than two boss form the interlocking boss; The advantage of design is here, adopts connection chain can increase the bonding strength of press filtration plate and press filtration frame, guarantees that press filtration plate bottom surface is arranged in the press filtration frame; Adopt the interlocking boss when squeezing, the interlocking boss has increased press filtration plate and press filtration frame at sealing intensity longitudinally, when discharging, also plays increase press filtration plate and the bonding strength of press filtration frame and the effect of stability.
Preferably, said press filtration unit is 6.
Press filtration plate top cover inner surface has reinforcement.The advantage that is designed with reinforcement here is, the press filtration plate top board bearing strength of pressure-bearing is increased, and improves the press filtration effect.
In the sidewall of press filtration frame, be vertically installed with a plurality of pressure-bearing spring grooves, an end of pressure-bearing spring is installed in the pressing spring groove, and the top cover of the other end and press filtration plate is relative, is provided with thrust block in the upper end of pressure-bearing spring groove.The purpose that the pressure-bearing spring is set in the sidewall of press filtration frame is: during discharging, the press filtration plate can be upspring under the effect of pressure-bearing spring automatically; The advantage that thrust block is set is, when the press filtration plate moves downward, is unlikely to make top cover directly to touch the press filtration frame, and each pipeline on the protection press filtration plate sidewall is avoided crushing.
The bottom surface of described bottom pressing filter box links to each other with the bottom surface of portal frame.The purpose of this design is: top, the end of press filtration sheet frame group are fixed, when reducing outside discharging press filtration sheet frame group is had the external force vibrations.
A side or many sides in press filtration sheet frame group are provided with lead, and lead and ground are perpendicular, and the two ends of lead are connected with the bottom surface with the end face of portal frame, and said press filtration sheet frame group slides up and down along lead.The purpose of this design is: the press filtration unit can be laminated when press filtration fast.
Both sides in press filtration sheet frame group are symmetrically arranged with lead, and press filtration sheet frame group is slidingly connected through jig parts and lead; The jig parts comprise concave shape jig and oil cylinder, and said oil cylinder is fixedly connected with the non-working surface of concave shape jig, and the top cover of the upper end of said concave shape jig and press filtration plate is through pivotal connection, and the concave shape jig is pivoted in the telescopic drive lower edge of oil cylinder.Its purpose is, before injecting material in press filtration sheet frame group, under the pushing of platen; When the distance between the upper and lower end of distance between the adjacent top cover and jig adapts; Oil cylinder promotes the concave shape jig, makes the concave shape jig block adjacent top cover, thereby realizes the fixedly size in press filtration chamber; Avoid that the pressure inequality appears in the press filtration unit when material feeding, the situation that charging is irregular.
Bilateral symmetry in press filtration sheet frame group is provided with seal member; Seal member comprises support, oil cylinder and sealing block, and described support is fixed on the lower limb or the top cover edge of press filtration frame, and oil cylinder is rack-mount; Sealing block is slidingly mounted on the support; Oil cylinder links to each other with the non-working surface of sealing block, and when adjacent press filtration frame lower limb and top cover closure, oil cylinder promotes lower limb and the top cover edge that sealing block is clamped the press filtration frame.The advantage of this design is: in real work, because the entering of gases at high pressure and material is arranged in the press filtration chamber, when the press filtration chamber only receives the downward thrust of oil hydraulic cylinder; Vibrations and leakage can appear in equipment, have a strong impact on the press filtration effect to material, and damage entire equipment; Take place for fear of above accident; The utility model adopts seal member that the press filtration chamber is sealed, and promotes sealing block through oil cylinder and clamps lower limb or top cover edge with the press filtration frame, forms sealing; When discharging,, remove sealing to the lower limb or the top cover edge of press filtration frame through the oil cylinder withdrawal.
Described attaching parts are a kind of in brace, nut bolt or the connection chain of belt length opening.
The inner surface tool inclination edge of described press filtration frame, the inclination edge is spent less than 90 with the angle of level.The purpose that is designed with the inclination edge here is: can make material after, receive the restriction of inclination along the gradient by press filtration, and up-narrow and down-wide, make material be difficult to upwards remove with press filtration plate bottom surface, under the extruding on inclination edge, fall naturally.
In the feed pipe of each press filtration unit, pressure sensor is installed; Pressure sensor through data wire with CNC is installed in the computation platform of control-register journey system controlling software link to each other; The computation platform has a plurality of Data Control ports; Oil cylinder with the oil cylinder of feed pump, oil hydraulic cylinder, high-pressure pump, high-pressure hydraulic pump, promotion stripper, the oil cylinder that promotes sealing block and promotion concave shape jig links to each other respectively; And control its work respectively, wherein concrete connected mode all belongs to prior art with operation, specifically utilizes the PLC logic to control.Described press filtration frame sidewall, press filtration plate bottom surface and adjacent top cover constitute the press filtration chamber.
The method of work of above-mentioned automatic filter-press dehydration equipment is following:
1) form the press filtration chamber: starting device, computation platform control oil hydraulic cylinder moves downward, and promotes the press filtration unit, and when each press filtration frame and adjacent top cover were closed mutually, it is motionless that oil hydraulic cylinder keeps, and fixedly the press filtration chamber is big or small;
Preferably, when distance between the adjacent top cover less than the two ends of concave shape jig apart from the time, it is motionless that oil hydraulic cylinder keeps, oil cylinder promotes the concave shape jig along pivoted; Realization is fixing to press filtration chamber size;
Preferably, when each press filtration frame and adjacent top cover were closed mutually, computation platform control oil cylinder promoted lower limb and the top cover edge that sealing block is clamped the press filtration frame; Realization is to the sealing in press filtration chamber;
2) material feeding: computation platform control feed pump starts charging, while controlled pressure sensor acquisition pressure data; Feed pump is through the press filtration chamber charging of feed pipe in the press filtration frame; When the pressure in the press filtration chamber was 0.5-4MPa, feed pump stopped charging, and wherein feed pump is equipped with check valve; After stopping charging, material can not flow backwards;
3) press filtration: computation platform control oil hydraulic cylinder continues to move downward, and controls high-pressure pump simultaneously and starts air inlet;
Preferably, promote the oil cylinder withdrawal of concave shape jig, the concave shape jig is removed fixing the press filtration chamber along pivoted;
4) when the pressure in the press filtration chamber is 10-30MPa, it is motionless that oil hydraulic cylinder keeps, and pressing filtering liquid gets in press filtration plate or the bottom pressing filter box through through hole, and pressing filtering liquid confluxes in the groove, is blown out press filtration sheet frame group by gases at high pressure along drain pipe immediately;
5) blow material: drain pipe is closed in computation platform control, in press filtration unit separately, pumps into gases at high pressure, and other air admission hole stops pump gas, exchanging pump gas then, and oil hydraulic cylinder moves upward, and the material after the press filtration is blown to the lower end of press filtration frame;
Preferably, when drain pipe was closed in the control of computation platform, oil cylinder drove sealing block and retreats, and removed the sealing state in press filtration chamber;
6) discharging: oil hydraulic cylinder continues to move upward, and drives between press filtration unit and the bottom pressing filter box to be separated from each other, and computation platform control stripper pusher is accomplished a press filtration.
The advantage of the utility model is:
1, the facility compact of the utility model can be arranged in pairs or groups arbitrarily according to the needs of output the press filtration unit is installed;
2, the utility model is energy-efficient, and is easy to maintenance quick, and the press filtration unit is independent unit design, can dismantle maintenance separately, does not influence the operate as normal of other unit;
3, the utility model utilizes the pressure differential that is higher than 4～8 times of standard machinery dehydration equipments that hydraulic pressure forms on the medium two sides of specially made structure as motive force; Make the conditioning sludge water content be forced through filter medium; Form filtrating, and solid particle is trapped within and forms filter cake on the medium, thereby reach the purpose of deep dehydration; Moisture content is reduced to below 60%, realizes that minimizing is more than 50%;
4, adaptability is strong, both has been applicable to moisture about 80% dewatered sludge, is applicable to the thickened sludge about moisture 90%-98% again;
5, applied range is applicable to municipal sludge, industrial sludges such as papermaking, printing and dyeing, pharmacy;
6, automaticity is high: charging, discharging, filter medium flushing process are full-automatic operation, and control-register journey system controlling software and PLC logic are closed the monitoring of circulation breakpoint among the application CNC, have controllability to handling the mud overall process; The equipment operation and the sludge press filtration situation of each separate unit of remote real-time monitoring.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1, and equipment is in the discharging state;
Fig. 2 is the structural representation of bottom pressing filter box and adjacent press filtration unit among Fig. 1;
Fig. 3 be the adjacent press filtration unit of Fig. 1 when material feeding, use the structural scheme of mechanism of jig parts, equipment is in the material feeding state;
Fig. 4 be the adjacent press filtration unit of Fig. 1 when material feeding, do not use the structural scheme of mechanism of jig parts;
Fig. 5 is the vertical view of Fig. 3;
Structural representation when Fig. 6 is the employing seal member of adjacent 2 the press filtration unit among the utility model embodiment 2;
Fig. 7 is the material after embodiment 3 press filtrations;
Fig. 8 is the attaching parts of embodiment 1.
In Fig. 1-8,1, oil hydraulic cylinder; 2, portal frame; 3, platen; 4, press filtration unit; 5, attaching parts (brace); 6, the material after the press filtration; 7, press filtration plate top cover; 8, filter membrane; 9, thrust block; 10, pressure-bearing spring; 11, discharging push pedal; 12, bottom pressing filter box; 13, lead; 14, drain pipe; 15, through hole; 16, feed pipe; 17, high pressure admission hole; 18, charging aperture; 19, press filtration frame lower limb; 20, groove; 21, press filtration plate; 22, press filtration frame; 23, oil cylinder (the push-and-pull sealing block is used); 24, oil cylinder (connecting the concave shape jig uses); 25, concave shape jig; 26, pivot; 27, support; 28, treat the press filtration material; 29, sealing block; 30, interlocking boss; 31, pressure-bearing spring groove; 32, inclination edge.
The specific embodiment
Below in conjunction with embodiment and Figure of description the utility model is done detailed explanation, but be not limited thereto.
In the feed pipe 16 of each press filtration unit 4, pressure sensor is installed; Pressure sensor through data wire with CNC is installed in the computation platform of control-register journey system controlling software link to each other; The computation platform has a plurality of Data Control ports; Oil cylinder with the oil cylinder of feed pump, oil hydraulic cylinder, high-pressure pump, high-pressure hydraulic pump, promotion stripper, the oil cylinder that promotes sealing block and promotion concave shape jig links to each other respectively; And control its work respectively, wherein concrete connected mode all belongs to prior art with operation, specifically utilizes the PLC logic to control.
A kind of automatic filter-press dehydration equipment comprises portal frame 2, oil hydraulic cylinder 1, platen 3 and press filtration sheet frame group; Oil hydraulic cylinder 1 is installed in the top of portal frame 2, and platen 3 links to each other with oil hydraulic cylinder 1, and platen 3 links to each other with press filtration sheet frame group; It is characterized in that described press filtration sheet frame group comprises press filtration unit 4 and bottom pressing filter box 12; Press filtration unit 4 is above bottom pressing filter box 12; Press filtration unit 4 comprises press filtration plate and press filtration frame 22; Said press filtration plate comprises top cover, sidewall and bottom surface; High pressure pore 17, feed pipe 16 and drain pipe 14 are arranged on the sidewall of press filtration plate, charging aperture 18, through hole 15 and the groove 20 of perforation arranged in the bottom surface of press filtration plate, described feed pipe 16 links to each other with charging aperture 18; The water inlet end of described drain pipe 14 is installed in the groove 20; In the bottom surface of press filtration plate, and filter membrane 8 is arranged with the contacted one side of material, on the filter membrane 8 and with charging aperture 18 corresponding positions on through hole 15 is arranged; The shape of press filtration plate bottom shape and press filtration frame 22 adapts, and press filtration plate bottom surface is movably arranged in the press filtration frame 22; The press filtration plate is connected through interlocking boss 30 with press filtration frame 22: outward flange has boss in the lower end of press filtration plate 21, and inward flange has boss in press filtration frame upper end, more than two boss form interlocking boss 30; Said bottom pressing filter box 12 comprises top cover, sidewall and bottom surface, and high pressure pore 17 and drain pipe 14 are arranged on the sidewall of bottom pressing filter box, and through hole 15 is arranged on the top cover of bottom pressing filter box; Fluted 20 on the bottom surface of bottom pressing filter box 12, the water inlet end of described drain pipe 14 is installed in the groove 20; The top cover upper surface of pressing filter box has filter membrane 8 in the bottom.
Described charging aperture 18 is arranged on the geometric center position of press filtration plate bottom surface.
The quantity of described press filtration unit 4 is 3, arranges from top to bottom: since second press filtration unit, through hole 15 is arranged on the top cover of press filtration plate in the press filtration unit 4, filter membrane 8 is arranged on the upper surface of its top cover 7; Link to each other through attaching parts 5 between the press filtration unit 4, between bottom pressing filter box 12 and the adjacent press filtration unit, under the effect of gravity, attaching parts 5 make between the press filtration unit 4, the distance of level altitude is arranged between bottom pressing filter box 12 and the adjacent press filtration unit 4.Described attaching parts 5 are the brace of belt length opening.
In the sidewall of press filtration frame 22, be vertically installed with a plurality of pressure-bearing spring grooves 31, an end of pressure-bearing spring 10 is installed in the pressing spring groove 31, and the top cover 7 of the other end and press filtration plate is relative, is provided with thrust block 9 in the upper end of pressure-bearing spring groove 31.
In the both sides of press filtration sheet frame group, be symmetrically arranged with lead 13, press filtration sheet frame group is slidingly connected through jig parts and lead 13; The jig parts comprise concave shape jig 25 and oil cylinder 24; Said oil cylinder 24 is fixedly connected with the non-working surface of concave shape jig 25; The upper end of said concave shape jig 25 is connected through pivot 26 with the top cover 7 of press filtration plate, and concave shape jig 25 is pivoted in the telescopic drive lower edge of oil cylinder 24.
The method of work of above-mentioned automatic filter-press dehydration equipment, step is following:
1) forms the press filtration chamber: starting device; Computation platform control oil hydraulic cylinder 1 moves downward, and promotes press filtration unit 4, when distance between the adjacent top cover less than the two ends of concave shape jig 25 apart from the time; Oil hydraulic cylinder 1 keeps motionless, and oil cylinder 24 promotes concave shape jig 25 along pivoted; Realization is fixing to press filtration chamber size;
2) material feeding: computation platform control feed pump starts charging, while controlled pressure sensor acquisition pressure data; Feed pump is through the press filtration chamber charging of feed pipe 16 in press filtration frame 22; When the pressure in the press filtration chamber was 1MPa, feed pump stopped charging, and wherein feed pump is equipped with check valve; After stopping charging, material can not flow backwards;
3) press filtration: computation platform control oil hydraulic cylinder 1 continues to move downward, and controls high-pressure pump simultaneously and starts air inlet; Promote oil cylinder 24 withdrawals of concave shape jig, concave shape jig 25 rotates along pivot 26, removes fixing the press filtration chamber;
4) when the pressure in the press filtration chamber is 20MPa, it is motionless that oil hydraulic cylinder 1 keeps, and pressing filtering liquid gets in press filtration plates or the bottom pressing filter box 12 through through hole 15, and pressing filtering liquid confluxes in the groove 20, is blown out press filtration sheet frame group by gases at high pressure along drain pipe 14 immediately;
5) blow material: drain pipe 14 is closed in computation platform control, in press filtration unit separately, pumps into gases at high pressure, and other air admission hole stops pump gas, exchanging pump gas then, and oil hydraulic cylinder 1 moves upward, and the material after the press filtration is blown to the lower end of press filtration frame 22;
6) discharging: oil hydraulic cylinder 1 continues to move upward, and drives between press filtration unit 4 and the bottom pressing filter box 12 to be separated from each other, and computation platform control stripper 44 pushers are accomplished a press filtration.
Embodiment 2,
Like embodiment 1 said automatic filter-press dehydration equipment, its difference is,
The quantity of described press filtration unit 4 is 6, is provided with seal member in the bilateral symmetry of press filtration sheet frame group, and seal member comprises support 27, oil cylinder 23 and sealing block 29; Described support 27 is fixed on the lower limb 19 of press filtration frame; Oil cylinder 23 is installed on the support 27, and sealing block 29 is slidingly mounted on the support 27, and oil cylinder 23 links to each other with the non-working surface of sealing block 29; When adjacent press filtration frame 22 lower limbs and top cover closure, oil cylinder 23 promotes the lower limb 19 and top cover edge that sealing blocks 29 are clamped the press filtration frame.
The inner surface tool of described press filtration frame tilts along 32, and the angle of tilt edge 32 and level is less than 90 degree.
Press filtration plate top cover 7 inner surfaces have reinforcement.
The method of work of above-mentioned automatic filter-press dehydration equipment, be with its difference of embodiment 1: step is following:
In the step 1), when each press filtration frame and adjacent top cover were closed mutually, computation platform control oil cylinder promoted lower limb and the top cover edge that sealing block is clamped the press filtration frame; Realization is to the sealing in press filtration chamber;
Step 2) in, when the pressure data in the press filtration chamber reached 0.5MPa, feed pump stopped charging;
In the step 4), when the pressure in the press filtration chamber was 25MPa, it is motionless that oil hydraulic cylinder keeps, and pressing filtering liquid gets in press filtration plate or the bottom pressing filter box through through hole, and pressing filtering liquid confluxes in the groove, is blown out press filtration sheet frame group by gases at high pressure along drain pipe immediately;
In the step 5), when drain pipe was closed in the control of computation platform, oil cylinder drove sealing block and retreats, and removed the sealing state in press filtration chamber.
Top cover described in the embodiment 2 and 4 comprises the top cover of press filtration plate and the top cover of bottom pressing filter box.
Result of implementation is summed up:
Material water ratio after the dehydration reaches 40-60%.
Claims (11)
1. an automatic filter-press dehydration equipment comprises portal frame, oil hydraulic cylinder, platen and press filtration sheet frame group; Oil hydraulic cylinder is installed in the top of portal frame, and platen links to each other with oil hydraulic cylinder, and platen links to each other with press filtration sheet frame group; It is characterized in that described press filtration sheet frame group comprises press filtration unit and bottom pressing filter box; The press filtration unit is above the pressing filter box of bottom; The press filtration unit comprises press filtration plate and press filtration frame; Said press filtration plate comprises top cover, sidewall and bottom surface; High pressure pore, feed pipe and drain pipe are arranged on the sidewall of press filtration plate, charging aperture, through hole and the groove of perforation arranged in the bottom surface of press filtration plate, described feed pipe links to each other with charging aperture; The water inlet end of described drain pipe is installed in the groove; In the bottom surface of press filtration plate, and filter membrane is arranged with the contacted one side of material, on the filter membrane and with the corresponding position of charging aperture on through hole is arranged; The shape of press filtration plate bottom shape and press filtration frame adapts, and press filtration plate bottom surface is movably arranged in the press filtration frame; The press filtration plate is connected through limiting component with the press filtration frame; Said bottom pressing filter box comprises top cover, sidewall and bottom surface, and high pressure pore and drain pipe are arranged on the sidewall of bottom pressing filter box, on the top cover of bottom pressing filter box, through hole is arranged; Fluted on the bottom surface of bottom pressing filter box, the water inlet end of described drain pipe is installed in the groove; The top cover upper surface of pressing filter box has filter membrane in the bottom.
2. automatic filter-press dehydration equipment as claimed in claim 1 is characterized in that described charging aperture is arranged on the geometric center position of press filtration plate bottom surface.
3. automatic filter-press dehydration equipment as claimed in claim 1; It is characterized in that; The quantity of described press filtration unit is one or more, arranges from top to bottom: when the quantity of press filtration unit is 1, link to each other through attaching parts between press filtration unit and the bottom pressing filter box; Under the effect of gravity, attaching parts make the distance that level altitude is arranged between press filtration unit and the bottom pressing filter box; When the quantity of press filtration unit is a plurality of,, on the top cover of press filtration plate through hole is arranged in the press filtration unit, on the upper surface of its top cover, filter membrane is arranged since second press filtration unit; Between the press filtration unit, link to each other through attaching parts between bottom pressing filter box and the adjacent press filtration unit, under the effect of gravity, attaching parts make between the press filtration unit, the distance of level altitude is arranged between bottom pressing filter box and the adjacent press filtration unit; Described attaching parts are a kind of in brace, nut bolt or the connection chain of belt length opening; The quantity of press filtration unit is 6.
4. automatic filter-press dehydration equipment as claimed in claim 1; It is characterized in that; Described limiting component is a kind of in connection chain or the interlocking boss; Described interlocking boss: outward flange has boss in the lower end of press filtration plate, and inward flange has boss in press filtration frame upper end, more than two boss form the interlocking boss.
5. automatic filter-press dehydration equipment as claimed in claim 1 is characterized in that, in the sidewall of press filtration frame; Be vertically installed with a plurality of pressure-bearing spring grooves; One end of pressure-bearing spring is installed in the pressing spring groove, and the top cover of the other end and press filtration plate is relative, is provided with thrust block in the upper end of pressure-bearing spring groove.
6. automatic filter-press dehydration equipment as claimed in claim 1 is characterized in that the bottom surface of described bottom pressing filter box links to each other with the bottom surface of portal frame.
7. automatic filter-press dehydration equipment as claimed in claim 1; It is characterized in that be provided with lead in a side or many sides of press filtration sheet frame group, lead and ground are perpendicular; The two ends of lead are connected with the bottom surface with the end face of portal frame, and said press filtration sheet frame group slides up and down along lead.
8. automatic filter-press dehydration equipment as claimed in claim 7 is characterized in that the both sides in press filtration sheet frame group are symmetrically arranged with lead, and press filtration sheet frame group is slidingly connected through jig parts and lead; The jig parts comprise concave shape jig and oil cylinder, and said oil cylinder is fixedly connected with the non-working surface of concave shape jig, and the top cover of the upper end of said concave shape jig and press filtration plate is through pivotal connection, and the concave shape jig is pivoted in the telescopic drive lower edge of oil cylinder.
9. automatic filter-press dehydration equipment as claimed in claim 1 is characterized in that, is provided with seal member in the bilateral symmetry of press filtration sheet frame group; Seal member comprises support, oil cylinder and sealing block, and described support is fixed on the lower limb or the top cover edge of press filtration frame, and oil cylinder is rack-mount; Sealing block is slidingly mounted on the support; Oil cylinder links to each other with the non-working surface of sealing block, and when adjacent press filtration frame lower limb and top cover closure, oil cylinder promotes lower limb and the top cover edge that sealing block is clamped the press filtration frame.
10. automatic filter-press dehydration equipment as claimed in claim 1 is characterized in that, the inner surface tool inclination edge of described press filtration frame, and the inclination edge is spent less than 90 with the angle of level.
11. automatic filter-press dehydration equipment as claimed in claim 1 is characterized in that, said press filtration plate top cover inner surface has reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201335790U CN202113660U (en) | 2011-04-29 | 2011-04-29 | Automatic pressure filtration dehydration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201335790U CN202113660U (en) | 2011-04-29 | 2011-04-29 | Automatic pressure filtration dehydration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202113660U true CN202113660U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201335790U Expired - Lifetime CN202113660U (en) | 2011-04-29 | 2011-04-29 | Automatic pressure filtration dehydration equipment |
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| CN (1) | CN202113660U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225260A (en) * | 2011-04-29 | 2011-10-26 | 山东省科学院新材料研究所 | Automatic filter-pressing dehydration device and working method thereof |
| CN102688618A (en) * | 2012-05-25 | 2012-09-26 | 浙江华章科技有限公司 | All crank unloading device for press filter |
| CN113101708A (en) * | 2021-04-15 | 2021-07-13 | 上海重睿环保设备有限公司 | Novel automatic plate-pulling filter press and using method thereof |
| CN113797613A (en) * | 2021-09-08 | 2021-12-17 | 安徽广信农化股份有限公司 | Filter press for buprofezin production and filter pressing method thereof |
-
2011
- 2011-04-29 CN CN2011201335790U patent/CN202113660U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225260A (en) * | 2011-04-29 | 2011-10-26 | 山东省科学院新材料研究所 | Automatic filter-pressing dehydration device and working method thereof |
| CN102225260B (en) * | 2011-04-29 | 2013-05-29 | 山东省科学院新材料研究所 | Automatic filter-pressing dehydration device and working method thereof |
| CN102688618A (en) * | 2012-05-25 | 2012-09-26 | 浙江华章科技有限公司 | All crank unloading device for press filter |
| CN113101708A (en) * | 2021-04-15 | 2021-07-13 | 上海重睿环保设备有限公司 | Novel automatic plate-pulling filter press and using method thereof |
| CN113797613A (en) * | 2021-09-08 | 2021-12-17 | 安徽广信农化股份有限公司 | Filter press for buprofezin production and filter pressing method thereof |
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