CN110698028A - Elastic sealing device of sludge filter press - Google Patents
Elastic sealing device of sludge filter press Download PDFInfo
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- CN110698028A CN110698028A CN201911036745.2A CN201911036745A CN110698028A CN 110698028 A CN110698028 A CN 110698028A CN 201911036745 A CN201911036745 A CN 201911036745A CN 110698028 A CN110698028 A CN 110698028A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides an elastic sealing device of a sludge filter press, which comprises an upper plate chain circulating module, a lower plate chain circulating module, a hinged distance adjusting module, an upper pressing frame module, a lower pressing frame module and an upper and lower filter cloth circulating module. The invention adopts the upper and lower plate chains to filter-press sludge with upper and lower filter cloth, and adopts the elastic sealing unit to continuously and circularly seal and filter-press the sludge; the elastic sealing unit consists of a transverse sealing spring and a side sealing spring, the transverse sealing spring is arranged on a long edge of each lower plate of the lower plate chain circulation module, the side sealing spring is arranged on two short edges of each lower plate of the lower plate chain circulation module, a rectangular sealing frame with three continuous edges is formed by the transverse sealing spring and the two side sealing springs, a complete four-edge rectangular sealing frame is formed by matching the transverse sealing springs of other lower plates, then, the sludge entering the rectangular sealing frame is continuously sealed, and the rectangular sealing frame becomes one of necessary conditions of subsequent filter pressing.
Description
Technical Field
The invention discloses an elastic sealing device of a sludge filter press, belongs to the field of design of sealing devices of sludge filter presses, and particularly relates to an elastic sealing device.
Background
In the sludge treatment process of sewage plants, it is now an increasingly urgent matter to reduce the water content of sludge to below 60%. In sludge treatment equipment with high water content (more than 80%), a plate-and-frame filter press and a high-pressure membrane filter press are always the most widely used sludge treatment equipment, but the plate-and-frame filter press has the defects of long pressure maintaining time, large occupied space of the equipment and high capital construction and equipment cost, so that the research of new sludge treatment equipment is more and more important.
In newly studied sludge treatment plants, continuous treatment of sludge is an efficient process that reduces dwell time and makes rate adjustments to accommodate the rate of sludge treatment. Aiming at the thought, the invention provides the elastic sealing device of the sludge filter pressing equipment which continuously and circularly operates, so that the circular sealing in the sludge filter pressing process is ensured, and the prerequisite condition is provided for the subsequent high-pressure filter pressing.
Disclosure of Invention
Aiming at the current situation, the invention provides an elastic sealing device of a sludge filter press, which can solve the sealing problem when the sludge is circularly filtered.
The content of the invention is as follows: the utility model provides an elastic sealing device of mud pressure filter, adopt the modularized design, specifically include upper plate chain circulation chain, lower plate chain circulation chain, articulated roll adjustment module, go up the pressure frame module, lower pressure frame module, go up filter cloth circulation chain and lower filter cloth circulation chain, go up pressure frame module and be fixed in respectively on the outer frame with lower pressure frame module, upper plate chain circulation operation is in the outside of last pressure frame module, lower plate chain circulation operation is in the outside of lower pressure frame module, go up filter cloth circulation chain circulation operation in the outside of upper plate chain circulation chain, lower filter cloth circulation chain circulation operation is in the outside of lower plate chain circulation chain, mud presss from both sides the dress in the relative one side of upper filter cloth circulation chain and lower filter cloth circulation chain.
One end of the upper pressure frame module is fixedly hinged with one end of the lower pressure frame module through a hinged distance adjusting module, the other end of the upper pressure frame module and the other end of the lower pressure frame module are freely placed, the hinged distance adjusting module is in a two-point hinged mode, and the linear distance between two hinged points is adjustable; the upper pressure frame module is pressed on the straight line section of the upper plate chain, the lower pressure frame module is pressed on the straight line section of the lower plate chain, so that a certain included angle is formed between the straight line section of the upper plate chain and the straight line end of the lower plate chain, the end, hinged with the lower pressure frame module through the hinged distance adjusting module, of the upper pressure frame module is the opening end of the included angle, and the free end of the upper pressure frame module and the free end of the lower pressure frame module are the intersection end of the included angle.
The upper plate chain circulating chain consists of a rectangular upper plate arranged on an upper chain link; the lower plate chain circulating chain is composed of rectangular lower plates arranged on lower chain links, two groups of side sealing spring mechanisms are fixedly arranged on two short edges of each lower plate respectively, a group of transverse edge sealing spring mechanisms are fixedly arranged on one long edge of each lower plate, and the other long edge of each lower plate is adjacent to the long edge of the adjacent lower plate provided with the transverse edge sealing spring mechanisms.
The two side sealing spring mechanisms on each lower plate, one transverse sealing spring mechanism and the other transverse sealing spring mechanism on the adjacent lower plate jointly form a rectangular sealing frame unit.
Furthermore, the transverse edge sealing spring is used for realizing the sealing effect under pressure, the transverse edge sealing spring mechanism is an L-shaped spring steel sheet and elastically deforms downwards under the pressure of the upper plate within the elastic limit, the long edge of the L-shaped spring steel sheet of the transverse edge sealing spring mechanism is fixedly arranged on the lower plate through a plurality of cushion blocks, and the short edge of the L-shaped spring steel sheet of the transverse edge sealing spring mechanism is tightly pressed on the upper plate. The sludge is transversely separated and compressed and sealed by utilizing the elastic restoring force of the spring after being pressed down
Furthermore, the side sealing elastic unit needs to be twisted and combined to adapt to an included angle, the side sealing spring mechanism is an L-shaped spring steel sheet and is elastically deformed downwards within an elastic limit under the pressure of the upper plate, the long edge of the L-shaped spring steel sheet of the transverse side sealing spring mechanism is fixedly arranged on the lower plate through a plurality of other cushion blocks, and the short edge of the L-shaped spring steel sheet of the side sealing spring mechanism is tightly pressed on the upper plate.
Furthermore, the side sealing elastic unit needs to be twisted and combined to adapt to the included angle to realize sealing, the side sealing spring mechanism is a rectangular flat spring steel sheet and is fixedly arranged on the lower plate through a plurality of cushion blocks, a pin shaft is fixedly arranged on the side sealing spring mechanism through a fastener, a rotating plate is rotatably arranged on the pin shaft, and the rotating plate is tightly pressed on the upper plate.
Furthermore, the side sealing elastic unit needs to be twisted and combined for adapting to an included angle to realize sealing, the side sealing spring mechanism is a flat spring steel sheet with two mounting lug seats, the flat spring steel sheet is fixedly mounted on the lower plate through a plurality of cushion blocks, a thrust plate is fixedly mounted on the side sealing spring mechanism, side plates are also fixedly mounted on the two mounting lug seats of the side sealing spring mechanism, and two ends of the side edge are provided with asymmetric notches; a plurality of gaps are arranged in the middle of the side sealing spring mechanism.
Furthermore, the side sealing elastic unit is suitable for an included angle to realize sealing, and needs to be twisted and combined, the side sealing spring mechanism is a rectangular flat spring steel sheet and is fixedly arranged on the lower plate through a plurality of cushion blocks, a thrust plate is fixedly arranged on the side sealing spring mechanism, the thrust plate is connected with a sealing plate through a bolt, two ends of the sealing plate are provided with asymmetric notches, one side surface of the sealing plate is an annular surface, and the annular surface is cut on the plane of the side sealing spring mechanism; the size of the bolt hole of the thrust plate is larger than the outer diameter of the bolt connected with the sealing plate and smaller than the outer diameter of the bolt head of the bolt connected with the sealing plate.
Furthermore, in order to realize that the upper plate and the lower plate drain water without leaking mud, the upper plate is provided with a groove, and an upper plate punching plate is attached to the upper plate; the lower plate is provided with a groove and is attached with a lower plate punching plate.
Further, for realizing the adjustment distance after the hinge, namely adjusting the opening of the included angle, two hinge seats are respectively and fixedly installed on the upper pressure frame module and the lower pressure frame module, one hinge seat is hinged with the screw head through a hinge pin shaft, the other hinge seat is hinged with the shaft head through a hinge pin shaft, the shaft head is rotatably installed with a nut head, and the shaft head is fixedly installed with a limit round nut.
After the invention is adopted, the continuous sealing of the circulating filter pressing process can be realized, and the precondition is created for the high-pressure filter pressing and pressure maintaining of the sludge; and the elastic element is adopted for sealing, so that the self-adaptability is good.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of the overall three-dimensional structure of the present invention.
Fig. 3 is a partial cross-sectional view of a three-dimensional structure of the present invention.
Fig. 4 is a schematic structural view of the constituent units of the lower plate chain endless chain 2 of the present invention.
Fig. 5 is a schematic structural view of the constituent units of the upper plate link circulating chain 1 of the present invention.
Fig. 6 is a schematic view of a side sealing structure according to the present invention.
Fig. 7 is a schematic view of another side sealing structure of the present invention.
Fig. 8 is a schematic view of another side sealing structure of the present invention.
Fig. 9 is a schematic structural view of the articulated distance adjusting module 3 of the present invention.
Reference numerals: 1-feeding a plate link chain circulation chain; 2-lower plate chain circulation chain; 3-hinged distance adjusting module; 4-upper pressing frame module; 5-pressing the frame module; 6-filtering cloth circulation chain; 7-lower filter cloth circulating chain; 101-upper link; 102-an upper plate; 103-upper plate punching plate; 201-lower link; 202-lower plate; 203-cushion blocks; 204-side sealing spring mechanism; 205-lateral edge sealing spring mechanism; 206-lower plate punch plate; 207-fasteners; 208-a rotating plate; 209-pin shaft; 210-a thrust plate; 211-side plate; 212-a sealing plate; 301-a hinged mount; 302-screw head; 303-nut head; 304-a shaft head; 305-a hinge pin; 306-small stop nut.
Detailed Description
The present invention will be further illustrated and described with reference to specific embodiments, but the invention is not limited thereto.
Example (b): the utility model provides an elastic sealing device of mud pressure filter, adopt the modularized design, specifically include upper plate chain endless chain 1, lower plate chain endless chain 2, articulated roll adjustment module 3, go up pressure frame module 4, lower pressure frame module 5, go up filter cloth endless chain 6 and lower filter cloth endless chain 7, it is fixed in on the outer frame respectively to go up pressure frame module 4 and lower pressure frame module, upper plate chain endless chain 1 circulation operation is in the external world of upper pressure frame module 1, lower plate chain endless chain 2 circulation operation is in the external world of lower pressure frame module 5, go up filter cloth endless chain 6 circulation operation in the external world of upper plate chain endless chain 1, lower filter cloth endless chain 7 circulation operation is in the external world of lower plate chain endless chain 2, mud presss from both sides the one side that last filter cloth endless chain 6 and lower filter cloth endless chain 7 are relative.
One end of the upper pressure frame module 4 is fixedly hinged with one end of the lower pressure frame module 5 through the hinged distance adjusting module 3, the other end of the upper pressure frame module 4 and the other end of the lower pressure frame module 5 are freely placed, the hinged distance adjusting module 3 is in a two-point hinged mode, and the linear distance between two hinged points is adjustable; go up pressure frame module 4 and press at last plate link straightway, lower pressure frame module 5 presses at lower plate link straightway, make the straightway of last plate link and the straight line end of lower plate link form a certain contained angle, go up pressure frame module 4 and lower pressure frame module 5 through articulated one end of 3 articulated roll adjustment modules this contained angle open ends, go up pressure frame module 4 and the free end of lower pressure frame module 5 for the crossing end of contained angle, it is fixed with the one end of lower pressure frame module 5 through last pressure frame module 4 promptly, the other end is free, make the extension line of last plate link straightway and the extension line of lower plate link compare in a certain point, form the tubaeform breach of an entering.
The sludge is clamped between the filter cloth, enters from the opening end of the included angle, and is filtered and pressed to exit from the other end. With less opening degree, the process is a process for gradually pressurizing the sludge.
The upper plate chain circulating chain 1 is composed of a rectangular upper plate 102 arranged on an upper chain link 101; the lower plate chain circulating chain 2 is composed of rectangular lower plates 202 mounted on lower chain links 201, two groups of side edge sealing spring mechanisms 204 are fixedly mounted on two short edges of each lower plate 202 respectively, one group of transverse edge sealing spring mechanisms 205 are fixedly mounted on one long edge of each lower plate 202, and the other long edge is adjacent to the long edge of the adjacent lower plate 202 on which the transverse edge sealing spring mechanisms 205 are mounted.
The two side sealing spring mechanisms 204 on each lower plate 202, one transverse sealing spring mechanism 205 and the other transverse sealing spring mechanism 205 on the adjacent lower plate 202 form a rectangular sealing frame unit.
After the sludge enters, the sludge can be squeezed at high pressure after being sealed, so that the sludge is sealed in a subarea manner through a rectangular sealing frame unit formed by continuously combining straight line segments.
The lateral sealing spring needs to be bent and deformed up and down to achieve a sealing effect under pressure, the lateral sealing spring mechanism 205 is an L-shaped spring steel plate and elastically deforms downward within an elastic limit under the pressure of the upper plate 205, a long side of the L-shaped spring steel plate of the lateral sealing spring mechanism 205 is fixedly installed on the lower plate 202 through a plurality of cushion blocks 203, and a short side of the L-shaped spring steel plate of the lateral sealing spring mechanism 205 is pressed on the upper plate 1002. And (3) by utilizing the elastic restoring force of the spring after pressing down, transversely separating the sludge and compressing and sealing the sludge.
The side sealing elastic unit needs to be combined in a twisting mode to adapt to the included angle to achieve sealing, namely, on the basis of vertical bending deformation, front and back twisting deformation is carried out, the process that the included angle is lower and lower is ensured, the side sealing can adapt to the change of the opening degree of the included angle, and the side sealing elastic mechanism 204 is only pressed on the upper plate 102.
In one mode, the side sealing spring mechanism 204 is an L-shaped spring steel plate which elastically deforms downward within elastic limits under the pressure of the upper plate 102, the long side of the L-shaped spring steel plate of the lateral side sealing spring mechanism 204 is fixedly mounted on the lower plate 202 through a plurality of other cushion blocks 203, and the short side of the L-shaped spring steel plate of the side sealing spring mechanism 204 is pressed against the upper plate 102.
Alternatively, the side sealing spring mechanism 204 is a rectangular flat plate spring steel plate, and is fixedly mounted on the lower plate 202 through a plurality of spacers 203, a pin 209 is fixedly mounted on the side sealing spring mechanism 204 through a fastener 207, a rotating plate 208 is rotatably mounted on the pin 2090, and the rotating plate 208 is pressed against the upper plate 102.
In another way, the side sealing spring mechanism 204 is a flat spring steel sheet with two mounting lug seats, and is fixedly mounted on the lower plate 202 through a plurality of cushion blocks 203, a thrust plate 210 is fixedly mounted on the side sealing spring mechanism 204, side plates 211 are also fixedly mounted on the two mounting lug seats of the side sealing spring mechanism 204, and two ends of the side 211 are provided with asymmetric notches; a plurality of gaps are arranged in the middle of the side sealing spring mechanism 204. Through the adjustment of the number of the gaps, the torsional rigidity of the spring piece is suitable for the change of the opening degree of the included angle.
In another way, the side sealing spring mechanism 204 is a rectangular flat spring steel sheet which is fixedly mounted on the lower plate 202 through a plurality of cushion blocks 203, a thrust plate 210 is fixedly mounted on the side sealing spring mechanism 204, the thrust plate 210 is connected with a sealing plate 212 through a bolt, two ends of the sealing plate 212 are provided with asymmetric notches, one side surface of the sealing plate 212 is a ring surface, and the ring surface is cut on the plane of the side sealing spring mechanism 204; the size of the bolt hole of the thrust plate 210 is larger than the outer diameter of the bolt connecting the seal plate 212 and smaller than the outer diameter of the bolt head of the bolt connecting the seal plate 212.
The upper plate and the lower plate are provided with drainage grooves, water filtered through the filter cloth can be discharged along the drainage grooves, but in order to ensure that sludge cannot press the filter cloth and then is extruded along the drainage grooves under high pressure, the upper plate 102 is provided with grooves, and the upper plate 102 is attached with an upper plate punching plate 103; the lower plate 202 is provided with a groove, and the lower plate 202 is attached with a lower plate punching plate 206.
In the practical process, the mud feeding thickness is adjusted according to the free position of the spring, so the distance between the hinged point of the upper pressing frame and the hinged point of the lower pressing frame is adjusted, namely, the opening of the included angle is adjusted, two hinged seats 301 are respectively and fixedly installed on the upper pressing frame module 4 and the lower pressing frame module 5, one hinged seat 301 is hinged with a screw head 302 through a hinged pin shaft 305, the other hinged seat 301 is hinged with a shaft head 304 through a hinged pin shaft 305, the shaft head 304 is rotatably provided with a nut head 303, and the shaft head 304 is fixedly provided with a limit round nut 306.
Claims (8)
1. The utility model provides a sludge press filter's elastic sealing device, includes upper plate chain endless chain 1, lower plate chain endless chain (2), articulated roll adjustment module (3), goes up pressure frame module (4), pushes down frame module (5), goes up filter cloth endless chain (6) and filter cloth endless chain (7) down, its characterized in that: the upper pressing frame module (4) and the lower pressing frame module are respectively fixed on an outer rack, an upper plate chain circulating chain (1) circularly runs outside the upper pressing frame module (1), a lower plate chain circulating chain circularly runs outside the lower pressing frame module (5), an upper filter cloth circulating chain (6) circularly runs outside the upper plate chain circulating chain (1), a lower filter cloth circulating chain (7) circularly runs outside the lower plate chain circulating chain (2), and sludge is clamped on one side of the upper filter cloth circulating chain (6) opposite to the lower filter cloth circulating chain (7);
the upper pressure frame module (4) is fixedly hinged with one end of the lower pressure frame module (5) through the hinged distance adjusting module (3), the upper pressure frame module (4) and the other end of the lower pressure frame module (5) are freely placed, the hinged distance adjusting module (3) is in a two-point hinged mode, and the linear distance between two hinged points is adjustable; the upper pressing frame module (4) is pressed on the straight line section of the upper plate chain, the lower pressing frame module (5) is pressed on the straight line section of the lower plate chain, so that a certain included angle is formed between the straight line section of the upper plate chain and the straight line section of the lower plate chain, one end of the upper pressing frame module (4) which is hinged with the lower pressing frame module (5) through the hinged distance adjusting module (3) is an opening end of the included angle, and the other end of the upper pressing frame module is an intersecting end of the included angle;
the upper plate chain circulating chain (1) is composed of a rectangular upper plate (102) arranged on an upper chain link (101); the lower plate chain circulating chain (2) is composed of rectangular lower plates (202) arranged on lower chain links (201), two short sides of each lower plate (202) are respectively and fixedly provided with two groups of side edge sealing spring mechanisms (204), one long side of each lower plate (202) is fixedly provided with one group of transverse edge sealing spring mechanisms (205), and the other long side of each lower plate is adjacent to the long side of the adjacent lower plate (202) provided with the transverse edge sealing spring mechanisms (205);
two side edge sealing spring mechanisms (204) on each lower plate (202), one transverse edge sealing spring mechanism (205) and the other transverse edge sealing spring mechanism (205) on the adjacent lower plate (202) form a rectangular sealing frame unit together.
2. The elastic sealing device of a sludge filter press according to claim 1, wherein: the sealing device comprises a transverse edge sealing spring mechanism (205), wherein the transverse edge sealing spring mechanism (205) is an L-shaped spring steel sheet and is elastically deformed downwards within the elastic limit under the pressure of an upper plate (205), the long edge of the L-shaped spring steel sheet of the transverse edge sealing spring mechanism (205) is fixedly arranged on the lower plate (202) through a plurality of cushion blocks (203), and the short edge of the L-shaped spring steel sheet of the transverse edge sealing spring mechanism (205) is tightly pressed on the upper plate (1002).
3. The elastic sealing device of a sludge filter press according to claim 1, wherein: the side sealing mechanism comprises a side sealing spring mechanism (204), wherein the side sealing spring mechanism (204) is an L-shaped spring steel sheet and is elastically deformed downwards within the elastic limit under the pressure of an upper plate (102), the long edge of the L-shaped spring steel sheet of the transverse side sealing spring mechanism (204) is fixedly arranged on the lower plate (202) through a plurality of other cushion blocks (203), and the short edge of the L-shaped spring steel sheet of the side sealing spring mechanism (204) is tightly pressed on the upper plate (102).
4. The elastic sealing device of a sludge filter press according to claim 1, wherein: including side seal spring mechanism (204), side seal spring mechanism (204) are the rectangle flat spring steel sheet, and it is through a plurality of cushion (203) fixed mounting on hypoplastron (202), has a round pin axle (209) through fastener (207) fixed mounting on side seal spring mechanism (204), rotates installation rotating plate (208) on round pin axle (2090), and rotating plate (208) compress tightly on upper plate (102).
5. The elastic sealing device of a sludge filter press according to claim 1, wherein: the side sealing mechanism comprises a side sealing spring mechanism (204), wherein the side sealing spring mechanism (204) is a flat spring steel sheet with two mounting lug seats, the flat spring steel sheet is fixedly mounted on a lower plate (202) through a plurality of cushion blocks (203), a thrust plate (210) is fixedly mounted on the side sealing spring mechanism (204), side plates (211) are also fixedly mounted on the two mounting lug seats of the side sealing spring mechanism (204), and two ends of each side (211) are provided with asymmetric notches; a plurality of gaps are arranged in the middle of the side sealing spring mechanism (204).
6. The elastic sealing device of a sludge filter press according to claim 1, wherein: the side sealing spring mechanism comprises a side sealing spring mechanism (204), wherein the side sealing spring mechanism (204) is a rectangular flat spring steel sheet and is fixedly installed on a lower plate (202) through a plurality of cushion blocks (203), a thrust plate (210) is fixedly installed on the side sealing spring mechanism (204), the thrust plate (210) is connected with a sealing plate (212) through a bolt, two ends of the sealing plate (212) are provided with asymmetric notches, one side surface of the sealing plate (212) is a ring surface, and the ring surface of the sealing plate is cut on the plane of the side sealing spring mechanism (204); the size of the bolt hole of the thrust plate (210) is larger than the outer diameter of the bolt connecting the seal plate (212) and smaller than the outer diameter of the bolt head of the bolt connecting the seal plate (212).
7. The elastic sealing device of a sludge filter press according to claim 1, wherein: the upper plate (102) is provided with a groove, and an upper plate punching plate (103) is attached to the upper plate (102); the lower plate (202) is provided with a groove, and the lower plate (202) is attached with a lower plate punching plate (206).
8. The elastic sealing device of a sludge filter press according to claim 1, wherein: including articulated roll adjustment module (3), articulated roll adjustment module (3) are including two articulated seats (301) and articulated shaft (305), two articulated seats (301) are fixed mounting respectively on last pressure frame module (4) and lower pressure frame module (5), articulated screw head (302) through an articulated round pin axle (305) on one of them articulated seat (301), it has spindle nose (304) to articulate through an articulated round pin axle (305) on another articulated seat (301), rotate on spindle nose (304) and install nut head (303), fixed mounting has a spacing round nut (306) on spindle nose (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036745.2A CN110698028A (en) | 2019-10-29 | 2019-10-29 | Elastic sealing device of sludge filter press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036745.2A CN110698028A (en) | 2019-10-29 | 2019-10-29 | Elastic sealing device of sludge filter press |
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| CN110698028A true CN110698028A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911036745.2A Pending CN110698028A (en) | 2019-10-29 | 2019-10-29 | Elastic sealing device of sludge filter press |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA201888A (en) * | 1988-08-11 | 1989-08-15 | Andritz Ag Maschf | DEVICE FOR PRESSING AND DRAINING OR FILTER |
| CN102698491A (en) * | 2012-06-11 | 2012-10-03 | 燕山大学 | Wedge-shaped roller chain filter press |
| DE102016206474A1 (en) * | 2016-04-18 | 2017-05-18 | Voith Patent Gmbh | Apparatus and method for treating a fibrous web |
| CN110015831A (en) * | 2019-02-18 | 2019-07-16 | 秦皇岛点知汇科技有限公司 | A kind of plate chain type sludge filter press |
-
2019
- 2019-10-29 CN CN201911036745.2A patent/CN110698028A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA201888A (en) * | 1988-08-11 | 1989-08-15 | Andritz Ag Maschf | DEVICE FOR PRESSING AND DRAINING OR FILTER |
| CN102698491A (en) * | 2012-06-11 | 2012-10-03 | 燕山大学 | Wedge-shaped roller chain filter press |
| DE102016206474A1 (en) * | 2016-04-18 | 2017-05-18 | Voith Patent Gmbh | Apparatus and method for treating a fibrous web |
| CN110015831A (en) * | 2019-02-18 | 2019-07-16 | 秦皇岛点知汇科技有限公司 | A kind of plate chain type sludge filter press |
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Effective date of registration: 20210715 Address after: 066000 no.710, 6 Tiantaishan Road, Qinhuangdao Economic and Technological Development Zone, Hebei Province Applicant after: Qinhuangdao Daze Technology Co.,Ltd. Applicant after: BEIJING YIBAI ELECTROMECHANICAL EQUIPMENT Co.,Ltd. Address before: 066000 No.368, Beihuan Road, Haigang District, Qinhuangdao City, Hebei Province Applicant before: Qinhuangdao Qingsheng Environmental Protection Technology Co.,Ltd. |
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Application publication date: 20200117 |