CN117800556B - Positive pressure belt type filter pressing device - Google Patents
Positive pressure belt type filter pressing device Download PDFInfo
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- CN117800556B CN117800556B CN202410221727.6A CN202410221727A CN117800556B CN 117800556 B CN117800556 B CN 117800556B CN 202410221727 A CN202410221727 A CN 202410221727A CN 117800556 B CN117800556 B CN 117800556B
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- wall
- roller
- feeding box
- workbench
- filter belt
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 238000007790 scraping Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims 1
- 239000010802 sludge Substances 0.000 abstract description 51
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention belongs to the technical field of belt type filter pressing devices, and discloses a positive pressure belt type filter pressing device which comprises a workbench and a motor I, wherein an upper extrusion mechanism and a lower extrusion mechanism which are vertically and symmetrically distributed are arranged on the inner wall of the workbench, two-way hydraulic rods are arranged on the front surface and the back surface of the workbench, a feeding box is fixedly arranged on the left side of the inner wall of the workbench, and a feeder is arranged on the top of the feeding box; the top of the feeding box is provided with a feeding hole. The device realizes synchronous blocking and automatic discharging by matching with the sealing plate and the feeding port, and after the sealing plate moves rightwards and blocks the feeding port, the sealing condition formed by the pressing block in the inner cavity of the feeding box is utilized to extrude sludge entering the inside of the feeding box, so that the upper filter belt and the lower filter belt rotate to feed and simultaneously, a rightwards active pushing force is given to the sludge, the unit sludge feeding amount of the upper filter belt and the lower filter belt is greatly improved, and the filter pressing efficiency of the device is effectively improved.
Description
Technical Field
The invention belongs to the technical field of belt type filter pressing devices, and particularly relates to a positive pressure belt type filter pressing device.
Background
An important step of sludge treatment is dewatering, more than 90% of water is filtered by a filtering device, so that the sludge is dried, at present, a positive pressure belt type filter pressing device is mainly adopted, the belt type filter pressing device comprises a conveying belt for filtering the water up and down, and an upper dewatering roller and a lower dewatering roller squeeze the sludge, so that the sludge is dewatered by the upper dewatering roller and the lower dewatering roller which rotate after dewatering the sludge, but in the prior art, a plurality of problems are generated at the feeding end of the filter pressing device: in the prior art, natural pressure belt type conveying is adopted for conveying sludge, the sludge is brought into an extrusion area in a rotary extrusion mode by virtue of an upper dewatering roller and a lower dewatering roller, but most of the sludge is fluid and extruded by the dewatering rollers in a relatively open environment, and flows towards one side opposite to the feeding direction, so that the sludge cannot be extruded and dewatered rapidly and effectively.
Disclosure of Invention
The invention aims to provide a positive pressure belt type filter pressing device so as to solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the positive pressure belt type filter pressing device comprises a workbench and a motor I, wherein an upper extrusion mechanism and a lower extrusion mechanism which are vertically and symmetrically distributed are arranged on the inner wall of the workbench, two-way hydraulic rods are arranged on the front surface and the back surface of the workbench, a feeding box is fixedly arranged on the left side of the inner wall of the workbench, and a feeder is arranged on the top of the feeding box;
The feeding box comprises a feeding box body, wherein a feeding hole is formed in the top of the feeding box body, a baffle is fixedly arranged on the left side of the inner wall of the feeding box body, three groups of connecting columns are movably sleeved in the baffle, the right end of each connecting column is fixedly connected with a pressing block, the left end of each connecting column is fixedly connected with a connecting plate, the inside of each connecting plate is in transmission connection with a reciprocating driving mechanism, a sealing plate is fixedly connected to the top of the left side of each pressing block, and the sealing plate penetrates through the top of the baffle and is respectively in sealing butt joint with the inner wall of the feeding box body and the baffle;
The upper squeezing mechanism comprises a first upper squeezing roller, a second upper squeezing roller and an upper tensioning roller, wherein the first upper squeezing roller and the second upper squeezing roller are rotatably arranged on the left side and the right side of the inner wall of the workbench, the upper tensioning roller is driven by a first motor, an upper filter belt is connected to the outer surfaces of the first upper squeezing roller, the second upper squeezing roller and the second upper squeezing roller in a transmission mode, the lower squeezing mechanism comprises a lower tensioning roller, the first lower squeezing roller and the second lower squeezing roller are rotatably arranged on the left side and the right side of the inner wall of the workbench, the lower tensioning roller is positioned below the workbench, the upper tensioning roller is driven by the first motor, the lower tensioning roller and the second lower squeezing roller are in a transmission mode, and the upper telescopic ends and the lower telescopic ends of the two-way hydraulic rods are fixedly connected with the upper tensioning roller and the lower tensioning roller respectively.
As a preferable scheme of the invention, a plurality of groups of fixed columns which are distributed at equal intervals along the depth direction of the feeder are fixedly arranged in the feeder, a splitter plate is movably sleeved on the outer surface of each fixed column, the axis of each fixed column is mutually perpendicular to the axis of the first upper wringing roller, the axis of each fixed column is parallel to the horizontal radial line of the first upper wringing roller, and the bottom opening of the feeder is communicated with the feed inlet.
As a preferable scheme of the invention, the inner wall of the workbench is fixedly provided with an upper supporting plate and a lower supporting plate which are symmetrically distributed, the shape of the supporting plate is U-shaped, the bottom of the supporting plate positioned at the upper side is abutted with the bottom of the inner wall of the upper filter belt, the top of the supporting plate positioned at the lower side is abutted with the top of the inner wall of the lower filter belt, and the top of the supporting plate is provided with a water permeable hole II.
As a preferable scheme of the invention, the right side of the feeding box is abutted with the left peripheral surfaces of the upper filter belt and the lower filter belt, and the right side of the pressing block is provided with two groups of circular arc grooves which are vertically and symmetrically distributed and are matched with the outer surfaces of the upper filter belt and the lower filter belt.
As a preferable scheme of the invention, the reciprocating driving mechanism comprises a second motor fixedly arranged on the left side of the front surface of the workbench, a turntable is fixedly arranged on an output shaft of the second motor, a connecting rod is movably sleeved at the outer edge of the front surface of the turntable, a movable column is movably sleeved at the left end of the connecting rod, and the movable column is movably sleeved in the connecting plate.
As a preferable scheme of the invention, the bottom, the front side and the rear side of the inner wall of the feeding box are provided with the placing grooves, the inner wall of each placing groove is fixedly connected with the filter cloth, and the inner wall of each placing groove is also provided with the penetrating water permeable holes I.
As a preferable scheme of the invention, the maximum stroke of the left movement of the pressing block is the distance between the left side of the pressing block and the right side of the baffle plate.
As a preferable scheme of the invention, a first scraping plate and a second scraping plate are fixedly arranged on the right side of the inner wall of the workbench, the first scraping plate and the second scraping plate are vertically symmetrically distributed and are both in inclined design, and the tips of the left side layers of the first scraping plate and the second scraping plate are respectively in butt joint with the peripheral surfaces of the upper filter belt and the lower filter belt.
The beneficial effects of the invention are as follows:
1. The device is optimized and designed again, so that the sludge has the function of active feeding when feeding, the amount of sludge dewatering processed by the upper extruding mechanism and the lower extruding mechanism in unit time is greatly improved, the feeding box is arranged on the left sides of the upper filter belt and the lower filter belt and is abutted against the upper filter belt and the lower filter belt to form a sealing condition, then the reciprocating driving mechanism is utilized to drive the connecting plate, the connecting column and the pressing block to do linear reciprocating motion in the inner cavity of the feeding box, synchronous blocking and automatic discharging are realized by matching with the sealing plate and the feeding hole, and after the sealing plate moves rightwards and blocks the feeding hole, the sealing condition formed in the inner cavity of the feeding box is utilized to extrude the sludge entering the feeding box, so that the unit sludge feeding amount of the upper filter belt and the lower filter belt is greatly improved, and the filter pressing efficiency of the device is effectively improved.
2. According to the invention, through redesigning the interior of the feeder, the quantitative function of conveying materials from the inner cavity of the feeder to the inner cavity of the feeding box is skillfully realized, and through installing the fixed column on the inner wall of the feeder, the multiple groups of splitter plates distributed at equal intervals are movably sleeved in the fixed column, on one hand, the multiple groups of splitter plates distributed at equal intervals can synchronously and uniformly split sludge entering the feeder, then the sludge stored in the feeder is gradually increased, and the floating thrust of the sludge on the splitter plates can be utilized to drive the splitter plates to rotate around the axis of the fixed column and abut against each other, so that the quantitative conveying function is realized, and the problem of unsmooth flow caused by up-down extrusion of the sludge is avoided.
3. According to the invention, the material conveying mode is changed from passive to active, so that the sludge treatment amount per time can be effectively changed, more accurate efficiency control is realized, meanwhile, the movable sleeve connection between the fixed column and the flow dividing plate is utilized, so that the sludge automatically drives the flow dividing plate to rotate after filling the inner cavity of the feeder, and a sealing isolation function is formed, and the problem of unsmooth discharge caused by extrusion of the sludge in the early stage of feeding is effectively avoided.
Drawings
FIG. 1 is a schematic view of the front appearance of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic view in elevation of a structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 6 is a schematic perspective view of the structure of the present invention;
FIG. 7 is a schematic side cut-away view of the feed box and feeder of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at C in accordance with the present invention;
FIG. 9 is a schematic diagram of the separation of the feed box, feed inlet, baffle, connecting column, press block, connecting plate, sealing plate, holding tank, filter cloth and reciprocating drive mechanism of the present invention.
In the figure: 1. a work table; 2. a bidirectional hydraulic rod; 3. an upper pressing mechanism; 31. a first water squeezing roller is arranged; 32. an upper tension roller; 33. a second water squeezing roller is arranged; 34. an upper filter belt; 4. a lower extrusion mechanism; 41. a lower wringing roller I; 42. a lower tension roller; 43. a lower wringing roller II; 44. a lower filter belt; 5. a first motor; 6. a feed box; 61. a feed inlet; 62. a baffle; 63. a connecting column; 64. briquetting; 65. a connecting plate; 66. a sealing plate; 67. a placement groove; 68. a filter cloth; 69. a water permeable hole I; 7. a feeder; 71. fixing the column; 72. a diverter plate; 8. a reciprocating drive mechanism; 81. a second motor; 82. a turntable; 83. a connecting rod; 84. a movable column; 9. a scraping plate I; 10. a scraping plate II; 11. a support plate; 12. and a water permeable hole II.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 9, the embodiment of the invention provides a positive pressure belt type filter pressing device, which comprises a workbench 1 and a motor I5, wherein an upper extrusion mechanism 3 and a lower extrusion mechanism 4 which are vertically and symmetrically distributed are arranged on the inner wall of the workbench 1, a bidirectional hydraulic rod 2 is arranged on the front surface and the back surface of the workbench 1, a feeding box 6 is fixedly arranged on the left side of the inner wall of the workbench 1, and a feeder 7 is arranged on the top of the feeding box 6;
The top of the feeding box 6 is provided with a feeding hole 61, the left side of the inner wall of the feeding box 6 is fixedly provided with a baffle plate 62, three groups of connecting columns 63 are movably sleeved in the baffle plate 62, the right end of each connecting column 63 is fixedly connected with a pressing block 64, the left end of each connecting column 63 is fixedly connected with a connecting plate 65, the inside of each connecting plate 65 is in transmission connection with a reciprocating driving mechanism 8, the top of the left side of each pressing block 64 is fixedly connected with a sealing plate 66, and the sealing plates 66 penetrate through the top of the baffle plate 62 and are respectively in sealing butt joint with the inner wall of the feeding box 6 and the baffle plate 62;
The upper squeezing mechanism 3 comprises an upper squeezing roller I31 and an upper squeezing roller II 33 which are rotatably arranged on the left side and the right side of the inner wall of the workbench 1 and an upper tensioning roller 32 which is positioned above the workbench 1, the upper tensioning roller 32 is driven by a motor I5, the outer surfaces of the upper squeezing roller I31, the upper tensioning roller 32 and the upper squeezing roller II 33 are in transmission connection with an upper filter belt 34, the lower squeezing mechanism 4 comprises a lower squeezing roller I41 and a lower squeezing roller II 43 which are rotatably arranged on the left side and the right side of the inner wall of the workbench 1 and a lower tensioning roller 42 which is positioned below the workbench 1, the upper tensioning roller 32 is driven by the motor I5, the outer surfaces of the lower squeezing roller I41, the lower tensioning roller 42 and the lower squeezing roller II 43 are in transmission connection with a lower filter belt 44, and the upper telescopic ends and the lower telescopic ends of the two-way hydraulic rod 2 are respectively fixedly connected with the upper tensioning roller 32 and the lower tensioning roller 42;
The device is optimized and designed again, so that the sludge has the function of active feeding during feeding, the dewatering amount of the sludge processed in unit time by the upper extruding mechanism 3 and the lower extruding mechanism 4 is greatly improved, the feeding box 6 is arranged on the left side of the upper filter belt 34 and the lower filter belt 44 and is abutted against the upper filter belt 34 and the lower filter belt 44 to form a sealing condition, then the reciprocating driving mechanism 8 is utilized to drive the connecting plate 65, the connecting column 63 and the pressing block 64 to do linear reciprocating motion in the inner cavity of the feeding box 6, synchronous blocking and automatic discharging are realized by matching with the sealing plate 66 and the feeding hole 61, and after the sealing plate 66 moves rightwards and blocks the feeding hole 61, the sludge entering the feeding box 6 is extruded by utilizing the sealing condition formed by the pressing block 64 in the inner cavity of the feeding box 6, so that the sludge is driven to the right direction when the upper filter belt 34 and the lower filter belt 44 rotate for feeding, the unit sludge feeding amount of the upper filter belt 34 and the lower filter belt 44 is greatly improved, and the efficiency of the device is effectively improved.
According to the invention, the material conveying mode is changed from passive to active, so that the sludge treatment amount per time can be effectively changed, more accurate efficiency control is realized, meanwhile, the movable sleeving relation between the fixed column 71 and the splitter plate 72 is utilized, so that the splitter plate 72 is automatically driven to rotate after the inner cavity of the feeder 7 is filled with sludge, a sealing and isolating function is formed, and the problem of unsmooth discharge caused by extrusion of the sludge in the early stage of feeding is effectively avoided.
Wherein, a plurality of groups of fixed columns 71 which are equidistantly distributed along the depth direction of the feeder 7 are fixedly arranged in the feeder 7, a splitter plate 72 is movably sleeved on the outer surface of the fixed columns 71, the axis of the fixed columns 71 is mutually perpendicular to the axis of the upper wringing roller I31, the axis of the fixed columns 71 is parallel to the horizontal radial line of the upper wringing roller I31, and the bottom opening of the feeder 7 is communicated with the feed inlet 61;
According to the invention, through redesigning the inside of the feeder 7, the quantitative function of conveying materials from the inner cavity of the feeder 7 to the inner cavity of the feeding box 6 is skillfully realized, and through arranging the fixed column 71 on the inner wall of the feeder 7, the multiple groups of splitter plates 72 with equal intervals are movably sleeved in the fixed column, on one hand, the multiple groups of splitter plates 72 with equal intervals can synchronously and uniformly split sludge entering the feeder 7, then the sludge stored in the feeder 7 is gradually increased, and the floating thrust of the sludge on the splitter plates 72 can be utilized to drive the splitter plates 72 to rotate around the axis of the fixed column 71 and mutually abut against each other, so that the sealing isolation is formed, the quantitative conveying function is realized, and the problem of unsmooth flow caused by up-down extrusion of the sludge is avoided.
Wherein, the inner wall of the workbench 1 is fixedly provided with an upper group of supporting plates 11 and a lower group of supporting plates 11 which are symmetrically distributed, the shape of the supporting plates 11 is U-shaped, the bottom of the upper supporting plate 11 is abutted with the bottom of the inner wall of the upper filter belt 34, the top of the lower supporting plate 11 is abutted with the top of the inner wall of the lower filter belt 44, and the top of the supporting plate 11 is provided with a water permeable hole II 12;
The supporting plate 11 is used for abutting against the horizontal parts of the upper filter belt 34 and the lower filter belt 44, and after the sludge is squeezed and dehydrated by the upper squeezing roller I31 and the lower squeezing roller I41, the sludge is continuously squeezed by the supporting plate 11, and kept in a dehydrated state, and the water permeable holes II 12 are used for water permeation.
Wherein, the right side of the feeding box 6 is abutted with the left peripheral surfaces of the upper filter belt 34 and the lower filter belt 44, and the right side of the pressing block 64 is provided with two groups of circular arc grooves which are vertically and symmetrically distributed and are matched with the outer surfaces of the upper filter belt 34 and the lower filter belt 44;
The feeding box 6 is abutted with the upper filter belt 34 and the lower filter belt 44 and is responsible for providing an external environment for pressing sludge by the pressing block 64, gaps between the upper filter belt 34 and the lower filter belt 44 are small, and the sludge is pressed and dehydrated after being brought into the upper filter belt 34 and the lower filter belt 44 by rotating the upper filter belt 34 and the lower filter belt 44, so that regional sealing can be formed by the abutting design of the feeding box 6.
The reciprocating driving mechanism 8 comprises a second motor 81 fixedly arranged on the left side of the front surface of the workbench 1, a rotary table 82 is fixedly arranged on an output shaft of the second motor 81, a connecting rod 83 is movably sleeved at the outer edge of the front surface of the rotary table 82, a movable column 84 is movably sleeved at the left end of the connecting rod 83, and the movable column 84 is movably sleeved in the connecting plate 65;
The power of the reciprocating driving mechanism 8 comes from the motor II 81, the front surface of the turntable 82 is provided with a bulge sleeved with the connecting rod 83 and movably installed with the bulge, when the turntable 82 rotates, the connecting rod 83 is driven to rotate, then the movable column 84 is driven to move, and the movable column 84 only moves left and right due to the limiting of the connecting plate 65 and the connecting column 63, so that the reciprocating motion function of the pressing block 64 is realized.
Wherein, the bottom, front and back sides of the inner wall of the feeding box 6 are provided with a placing groove 67, the inner wall of the placing groove 67 is fixedly connected with a filter cloth 68, and the inner wall of the placing groove 67 is also provided with a penetrating water permeable hole 69;
The inner wall of the placing groove 67 is provided with a filter cloth 68 which is responsible for filtering the moisture in the sludge and keeping the sludge intact to enter between the upper filter belt 34 and the lower filter belt 44, and the water permeable holes 69 can be used for water to pass through.
Wherein the maximum travel of the press block 64 to the left is the distance between the left side of the press block 64 and the right side of the baffle 62;
the rotation stroke of the turntable 82 determines the movement stroke of the pressing block 64, and in the rotation process, the connecting rod 83 is driven to rotate and limit the left-right movement of the connecting rod.
The right side of the inner wall of the workbench 1 is fixedly provided with a first scraping plate 9 and a second scraping plate 10, the first scraping plate 9 and the second scraping plate 10 are vertically symmetrically distributed and are in inclined design, and the tips of the left layers of the first scraping plate 9 and the second scraping plate 10 are respectively abutted against the outer peripheral surfaces of the upper filter belt 34 and the lower filter belt 44;
The inclined design of the first scraping plate 9 and the second scraping plate 10 is more beneficial to scraping.
Working principle:
When the device works, sludge is added from the top opening of the feeder 7 and falls on the top of the connecting plate 65, the sludge is split by the splitter plate 72 and uniformly dispersed at the bottom of the inner cavity of the feeder 7, the splitter plate 72 is gradually increased, the sludge with the liquid level continuously rising floats and rotates around the axis of the fixed column 71, and a plurality of groups of rotating fixed columns 71 are mutually abutted after the bottom space is full, so that sealing blocking is formed;
Then, the bidirectional hydraulic rod 2 is started to drive the upper tensioning roller 32 and the lower tensioning roller 42 to move upwards and downwards respectively, the upper filtering belt 34 and the lower filtering belt 44 are tensioned to a proper tensioning degree, the motor I5 is started to drive the upper tensioning roller 32 and the lower tensioning roller 42 to rotate respectively, the upper filtering belt 34, the lower filtering belt 44, the upper wringing roller I31, the lower wringing roller I41, the upper wringing roller II 33 and the lower wringing roller II 43 are driven to rotate, the motor II 81 is started to drive the turntable 82 to rotate, the connecting rod 83 and the movable column 84 are driven to push the connecting plate 65 leftwards, the connecting column 63, the pressing block 64 and the sealing plate 66 are driven to move leftwards continuously until the pressing block 64 abuts against the baffle plate 62, at this time, the sealing plate 66 does not block the feed inlet 61 any more, the top of the pressing block 64 is positioned at the left side of the feed inlet 61 and a certain distance is left, the turntable 82 drives the connecting rod 83 to move leftmost, the sludge in the feeder 7 quickly flows into the inner cavity of the feeding box 6 along the feeding hole 61, in the inner cavity of the feeder 7, as the sludge at the bottom of the flow dividing plate 72 is discharged and floating supporting function is not provided any more, the flow dividing plate 72 is restored to the vertical state, when the motor II 81 drives the rotary table 82 to rotate to more than 180 degrees, the connecting rod 83 starts to be driven to return to the right by the rotary table 82 and drives the movable column 84, the connecting plate 65, the connecting column 63, the pressing block 64 and the connecting plate 65 to move to the right, the connecting plate 65 in the process plugs the feeding hole 61 again, the inner cavity of the feeding box 6 is in a relatively sealed area, the sludge is continuously compressed along with the right side of the pressing block 64, a part of water is discharged along the water permeable hole I69 through the filtering cloth 68, and meanwhile, the sludge enters between the upper filtering belt 34 and the lower filtering belt 44 which are rotated to the right and is extruded by the upper squeezing roller I31 and the lower squeezing roller I41 which are distributed up and down, and continuously dehydrating, wherein the dehydrated sludge horizontally passes through the horizontal part between the upper filter belt 34 and the lower filter belt 44 to the right, and the moisture continuously falls through the lower filter belt 44 and the water permeable holes II 12;
Finally, when the sludge is dehydrated to be dry, the sludge passes through a space between the upper wringing roller II 33 and the lower wringing roller II 43 and is continuously scraped by the tip parts of the scraping plate I9 and the scraping plate II 10, and the dried material is discharged along the surface of the scraping plate II 10.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a malleation belt filter pressing device, includes workstation (1) and motor one (5), upper and lower symmetrical distribution's last extrusion mechanism (3) and lower extrusion mechanism (4) are installed to the inner wall of workstation (1), two-way hydraulic stem (2) are all installed with the back in the front of workstation (1), its characterized in that: a feeding box (6) is fixedly arranged on the left side of the inner wall of the workbench (1), and a feeder (7) is arranged at the top of the feeding box (6);
The feeding box is characterized in that a feeding hole (61) is formed in the top of the feeding box (6), a baffle (62) is fixedly mounted on the left side of the inner wall of the feeding box (6), three groups of connecting columns (63) are movably sleeved in the baffle (62), a pressing block (64) is fixedly connected to the right end of each connecting column (63), a connecting plate (65) is fixedly connected to the left end of each connecting column (63), a reciprocating driving mechanism (8) is connected to the inner transmission of each connecting plate (65), a sealing plate (66) is fixedly connected to the top of the left side of each pressing block (64), and each sealing plate (66) penetrates through the top of the baffle (62) and is respectively in sealing butt with the inner wall of the feeding box (6) and the baffle (62);
The upper squeezing mechanism (3) comprises a first upper squeezing roller (31) and a second upper squeezing roller (33) which are rotatably arranged on the left side and the right side of the inner wall of the workbench (1) and an upper tensioning roller (32) which is arranged above the workbench (1), the upper tensioning roller (32) is driven by a first motor (5), the outer surfaces of the first upper squeezing roller (31), the upper tensioning roller (32) and the second upper squeezing roller (33) are in transmission connection with an upper filter belt (34), the lower squeezing mechanism (4) comprises a first lower squeezing roller (41) and a second lower squeezing roller (43) which are rotatably arranged on the left side and the right side of the inner wall of the workbench (1) and a lower tensioning roller (42) which is arranged below the workbench (1), the upper tensioning roller (32) is driven by the first motor (5), the outer surfaces of the first lower squeezing roller (41), the second tensioning roller (42) and the second lower squeezing roller (43) are in transmission connection with a lower filter belt (44), and the upper end and the lower end of the two-way hydraulic rod (2) is fixedly connected with the upper tensioning roller (32) and the lower tensioning roller (42) respectively;
A plurality of groups of fixed columns (71) which are equidistantly distributed along the depth direction of the feeder (7) are fixedly arranged in the feeder (7), a splitter plate (72) is movably sleeved on the outer surface of the fixed columns (71), the axis of the fixed columns (71) is perpendicular to the axis of the first upper wringing roller (31), the axis of the fixed columns (71) is parallel to the horizontal radial line of the first upper wringing roller (31), and the bottom opening of the feeder (7) is communicated with the feed inlet (61);
The right side of the feeding box (6) is abutted with the left peripheral surfaces of the upper filter belt (34) and the lower filter belt (44), two groups of circular arc grooves which are vertically and symmetrically distributed are formed in the right side of the pressing block (64), and the circular arc grooves are matched with the outer surfaces of the upper filter belt (34) and the lower filter belt (44);
the reciprocating driving mechanism (8) comprises a second motor (81) fixedly arranged on the left side of the front surface of the workbench (1), a rotary table (82) is fixedly arranged on an output shaft of the second motor (81), a connecting rod (83) is movably sleeved at the outer edge of the front surface of the rotary table (82), a movable column (84) is movably sleeved at the left end of the connecting rod (83), and the movable column (84) is movably sleeved in the connecting plate (65);
the utility model discloses a filter cloth filter, including feeding case (6), standing groove (67) have all been seted up to the bottom of feeding case (6) inner wall, front and back both sides, the inner wall fixedly connected with filter cloth (68) of standing groove (67), the inner wall of standing groove (67) has still seted up penetrating type's hole (69) that permeates water.
2. The positive pressure belt filter apparatus of claim 1 wherein: the inner wall fixed mounting of workstation (1) has upper and lower two sets of backup pad (11) that are symmetric distribution, the shape of backup pad (11) is "U" shape, is located the upside the bottom of backup pad (11) and the bottom butt of last filter belt (34) inner wall are located the downside the top of backup pad (11) and the top butt of lower filter belt (44) inner wall, water permeable hole two (12) have been seted up at the top of backup pad (11).
3. The positive pressure belt filter apparatus of claim 2 wherein: the maximum stroke of the left movement of the pressing block (64) is the distance between the left side of the pressing block (64) and the right side of the baffle plate (62).
4. A positive pressure belt filter apparatus as claimed in claim 3 wherein: the right side of workstation (1) inner wall fixed mounting has scraping plate one (9) and scrapes material plate two (10), scraping plate one (9) and scraping plate two (10) are upper and lower symmetric distribution, and all are the slope design, scraping plate one (9) and scraping plate two (10) left side layer pointed end design to with the outer peripheral face butt of last filter belt (34) and lower filter belt (44) respectively.
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| CN117800556B true CN117800556B (en) | 2024-05-17 |
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| EP3569957A1 (en) * | 2018-05-14 | 2019-11-20 | Christian Wenner | Method and device for processing sludge |
| CN111807664A (en) * | 2020-07-14 | 2020-10-23 | 河南省华中环保研究有限公司 | Continuous sludge treatment system |
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