CN112370843A - Closed continuous filtering washing machine - Google Patents
Closed continuous filtering washing machine Download PDFInfo
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- CN112370843A CN112370843A CN202011142795.1A CN202011142795A CN112370843A CN 112370843 A CN112370843 A CN 112370843A CN 202011142795 A CN202011142795 A CN 202011142795A CN 112370843 A CN112370843 A CN 112370843A
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- 238000005406 washing Methods 0.000 title claims abstract description 113
- 238000001914 filtration Methods 0.000 title claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 119
- 238000003828 vacuum filtration Methods 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000000967 suction filtration Methods 0.000 claims abstract description 55
- 239000012065 filter cake Substances 0.000 claims abstract description 22
- 239000006210 lotion Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000007306 turnover Effects 0.000 claims abstract 2
- 239000002002 slurry Substances 0.000 claims description 84
- 238000007599 discharging Methods 0.000 claims description 54
- 238000005086 pumping Methods 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 35
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 abstract description 21
- 238000000926 separation method Methods 0.000 abstract description 14
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012824 chemical production Methods 0.000 abstract description 2
- 230000008676 import Effects 0.000 abstract 2
- 238000009826 distribution Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a closed continuous filtering washing machine, and belongs to the technical field of pharmaceutical chemical production equipment. It includes the casing, the vacuum filtration groove, the business turn over material subassembly, suction filtration mechanism and actuating mechanism, set up the vacuum filtration groove into the rotary type structure, realize rotating through the actuating mechanism drive, be provided with the ground paste distributing trough in vacuum filtration groove top, lotion distributing trough and unloading scraper blade, ground paste distributing trough and lotion distributing trough and corresponding ground paste import, the lotion import is linked together, the scraper of the insoluble product filter cake accessible unloading scraper blade that forms in the vacuum filtration groove during suction filtration is clear away, make the filter cake maintain at thinner thickness, guarantee the suction filtration of soluble product, separation effect, and corresponding ground paste realizes continuous feed with the lotion, satisfy the requirement of continuity of operation. The closed continuous filtering washing machine can perform continuous solid-liquid separation operation, improve the solid-liquid separation efficiency and reduce the overall large-scale production cost.
Description
Technical Field
The invention belongs to the technical field of pharmaceutical chemical production equipment, and particularly relates to a closed continuous filtering washing machine.
Background
At present, most vacuum filters for solid-liquid separation of insoluble products in chemical and medical production adopt a vacuum filtration mode for separation, the separation effect is good, powdery insoluble products can be obtained, the later crushing operation on insoluble product filter cakes is avoided, and the production process is greatly simplified.
However, most of the vacuum filters used for solid-liquid separation of insoluble products in the prior art adopt batch operation, and the main operation steps are as follows: firstly, quantitatively injecting slurry containing insoluble products and soluble products into a machine body, then cutting off the supply of the slurry, then carrying out suction filtration and washing, and finally scraping and collecting a filter cake formed by the insoluble products. In order to consider the overall production efficiency, the injection amount of slurry is large each time, the generated insoluble product filter cake is thick, the efficiency of further suction filtration and the solid-liquid separation efficiency are influenced, further the overall large-scale production cost of the insoluble product is influenced, and the suction filtration and separation effects of the soluble product cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a closed continuous filtering washing machine, which can perform continuous solid-liquid separation operation, improve solid-liquid separation efficiency and reduce the overall large-scale production cost.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a closed continuous filtering washing machine comprises a shell, a vacuum pumping tank, a feeding and discharging component, a pumping mechanism and a driving mechanism, wherein the feeding and discharging component and the vacuum pumping tank are positioned in the shell, and the feeding and discharging component is positioned above the vacuum pumping tank; the suction filtration mechanism is positioned below the shell, and the driving mechanism is positioned above the shell;
the feeding and discharging assembly comprises a central disc fixing frame, a discharging scraper, a discharging shovel, a hollow groove, a slurry distributing groove and a washing liquid distributing groove, the central disc fixing frame is fixed in the shell, the vacuum pumping and filtering groove is positioned below the central disc fixing frame, and the discharging scraper, the slurry distributing groove and the washing liquid distributing groove are respectively connected with the central disc fixing frame; the slurry distributing groove and the washing liquid distributing groove are radially arranged around the center of the vacuum filtration groove, the slurry distributing groove and the washing liquid distributing groove are respectively connected with a corresponding slurry inlet and a corresponding washing liquid inlet, slurry uniformly flows into the vacuum filtration groove through the slurry distributing groove, and a washing area is formed through the washing liquid distributing groove to wash insoluble substances in the slurry; when a filter cake formed by insoluble substances in the vacuum filtration tank reaches a certain thickness, the filter cake is scraped out of the vacuum filtration tank through the inclined scraping surface at the lower end of the blanking scraper;
the upper part of the vacuum filtration tank is connected with the driving mechanism, and the vacuum filtration tank can continuously rotate in the shell under the action of the driving mechanism;
the lower part of the vacuum pumping and filtering tank is connected with the pumping and filtering mechanism, and the liquid in the vacuum pumping and filtering tank enters the pumping and filtering mechanism for pumping and filtering under the action of gravity.
In a preferred embodiment of the present invention, the vacuum pumping filtration tank is of a housing structure, and a filter cloth, a support net and a bracket are disposed on an upper flange of the vacuum pumping filtration tank, the support net is located on the bracket, and the filter cloth is located on the support net.
In another preferred embodiment of the present invention, there are one slurry distributing trough, which is square, and three washing liquid distributing troughs, which are square, and the slurry inlet and the washing liquid inlet are connected to the external slurry supply device and the external washing liquid supply device through an upper flange and a lower flange on the housing, respectively.
Preferably, the housing includes a housing main body, the housing main body includes a lower end enclosure, a lower cylinder, an upper cylinder and an upper end enclosure from bottom to top, a support structure is disposed below the housing main body, an upper mechanical seal and a lower mechanical seal are disposed at the top and the bottom of the housing main body respectively, the upper mechanical seal is used for sealing the housing and the driving mechanism, and the lower mechanical seal is used for sealing the housing and the suction filtering mechanism; the shell body is also provided with a manhole and a solid discharge port, and the solid discharge port is arranged at the position of the shell body below the blanking scraper plate and the discharge shovel correspondingly.
Preferably, the lower end enclosure, the lower cylinder, the upper cylinder and the upper end enclosure are welded and fixedly connected together in sequence, the support structure comprises a support and support legs, the top of the support is connected with the shell body, and the bottom of the support is connected with the support legs; a liquid level meter and a liquid level sensor are arranged below the inside of the shell, and the liquid level meter is used for displaying the water accumulation amount inside the shell in real time; the liquid level sensor is used for collecting and conveying the liquid level condition inside the shell to the outside in real time, the liquid level sensor is externally connected with an alarm device, and when the accumulated water inside the shell reaches a certain warning value, the alarm can immediately send an alarm signal to the outside to prompt an operator to process in time; the shell body is also provided with a sight glass, a lighting lamp, a vacuum pressure gauge, a safety access hole and a flushing pipe.
Further preferably, the major structure of ground paste distributing trough and lotion distributing trough comprises a plurality of feeding shovel, foretell feeding shovel includes feeding shovel baffle, feeding shovel down shovel piece, feeding shovel sawtooth and the square pipe of feeding, and the profile of tooth overflow mouth of having arranged respectively on the upper portion of each feeding shovel all along the radial both sides wall that extends of vacuum filtration cell for guarantee ground paste and washing liquid radially carry out even cloth along vacuum filtration cell.
Preferably, the slurry distributing trough and the washing liquid distributing trough divide the vacuum filtration trough into six areas, the six areas are always in a negative pressure state for carrying out filtration operation, wherein three areas carry out washing operation while carrying out filtration operation, and the slurry distributing trough and the washing liquid distributing trough are respectively positioned at the junction of the two areas.
Preferably, the suction filtration mechanism includes a liquid outlet flange, a tetrafluoro sealing device, a lower machine seal, a central disk connecting flange and a suction filtration pipe, the central disk connecting flange is used for fixedly connecting the suction filtration mechanism with the vacuum suction filtration tank, the suction filtration mechanism is in sealing fit with the casing through the tetrafluoro sealing device, the tetrafluoro sealing device includes a sheath and a tetrafluoro sleeve, the suction filtration pipe extends into the sheath, the tetrafluoro sealing device is in sealing connection with the suction filtration pipe through the tetrafluoro sleeve, a flange for supporting the tetrafluoro sealing device is arranged at the lower end of a box body of the tetrafluoro sealing device, the liquid outlet flange is used for fixedly connecting with an external liquid outlet collection device, and the lower machine seal is used for connecting the casing with the tetrafluoro sealing device.
Preferably, the driving mechanism comprises a speed reducer, an explosion-proof motor, a frame, a motor flange, a roller bearing, a bearing seat, an upper central disc connecting flange and a tetrafluoro oil seal, the driving mechanism is fixedly connected with the vacuum filtration tank through the upper central disc connecting flange, and the rotation of the vacuum filtration tank is driven and realized through the driving mechanism; the explosion-proof motor, the speed reducer and the solid shaft of the motor are sequentially connected in a transmission manner, the explosion-proof motor and the speed reducer are arranged above the rack, and the part of the speed reducer, which is connected with the explosion-proof motor in a transmission manner, is connected with the rack in a sealing manner.
Further preferably, the discharging shovel comprises a discharging shovel main body, a discharging shovel support plate, a discharging shovel front bending plate and a discharging shovel tetrafluoro plate, the discharging shovel support plate is located below the discharging shovel main body, and the discharging shovel tetrafluoro plate is located at the front end of the discharging shovel.
The working process of the closed continuous filtration washing machine of the present invention is specifically described below, and the specific working process is as follows:
the invention provides a closed continuous filtering washing machine, wherein a vacuum filtration tank is set to be of a rotary structure, rotation is realized by driving of a driving mechanism, a slurry distributing tank, a washing liquid distributing tank and a blanking scraper are arranged above the vacuum filtration tank, the slurry distributing tank and the washing liquid distributing tank are communicated with a corresponding slurry inlet and a corresponding washing liquid inlet, the slurry inlet and the washing liquid inlet are connected with an external slurry supply device and a washing liquid supply device through an upper flange and a lower flange on a shell, and a discharging shovel is of a fixed structure, so that a filter cake of an insoluble product formed on the vacuum filtration tank is continuously scraped and collected by a scraper, the filter cake is maintained at a thinner thickness, the filtration and separation effects of a soluble product are ensured, and the continuous feeding of the corresponding slurry and the washing liquid is realized, and the requirement of continuous operation is met.
During operation, the ground paste is evenly distributed on the vacuum filtration tank through the ground paste distributing groove, liquid in the ground paste is removed through suction filtration, insoluble substances in the ground paste are continuously kept on the upper portion of the vacuum filtration tank and pass through a cleaning area formed by the washing liquid distributing groove under the rotation of the vacuum filtration tank, so that the insoluble substances are cleaned, the purity of a product is ensured, the ground paste on the vacuum filtration tank is always in a negative pressure suction filtration state, liquid components in the ground paste are continuously sucked and filtered into the housing below the vacuum filtration tank and are discharged through the suction filtration pipe. The feeding and discharging assembly is provided with 1 square uniform slurry distributing groove and 3 square uniform washing liquid distributing grooves which are arranged along the radial direction around the center of the vacuum filtration groove, the vacuum filtration groove is divided into six areas, and the six areas are always in a negative pressure state for carrying out filtration operation. When the filter cake formed by insoluble substances reaches a certain thickness, the filter cake contacts the bottom of the blanking scraper, is scraped away from the vacuum filtration tank through the inclined scraping surface at the lower end of the blanking scraper and falls into the solid outlet, and is further collected through external equipment; in the process, slurry is continuously fed and distributed, insoluble products are continuously scraped and collected, the reduction of the production efficiency caused by frequently opening a blanking valve in the traditional intermittent operation process is avoided, and the large-scale production can be realized.
Compared with the prior art, the invention has the following beneficial technical effects:
(1) the vacuum filtration tank is set to a rotary structure, the discharging shovel is of a fixed structure, so that filter cakes of insoluble products formed on the vacuum filtration tank are continuously scraped and collected by the discharging shovel, the filter cakes are maintained at a thin thickness, further filtration washing work is not influenced, continuous feeding of corresponding slurry and washing liquor is realized, and the requirement of continuous operation is met. The liquid is subjected to gravity self-flow and vacuum filtration in the suction filtration pipe, so that the liquid discharge rate is greatly improved.
(2) The feeding and discharging assembly is provided with 1 square uniform slurry distributing groove and 3 square uniform washing liquid distributing grooves, the slurry distributing grooves and the washing liquid distributing grooves are arranged along the radial direction around the center of the vacuum filtration groove, the vacuum filtration groove is divided into six areas, the six areas are always in a negative pressure state for carrying out filtration operation, wherein three non-adjacent areas carry out washing operation while carrying out filtration, and the positions of the slurry distributing grooves and the positions of the washing liquid distributing grooves are respectively positioned at the junction of the two areas, so that the washing operation can be carried out on materials for many times, and the quality of material washing and the overall working efficiency are improved.
(3) The slurry distributing trough and the washing liquid distributing trough main body are composed of feeding shovels, each feeding shovel comprises a feeding shovel baffle, a feeding shovel lower shovel part, feeding shovel sawteeth and a feeding square pipe, and tooth-shaped overflow ports are respectively distributed on the upper portions of two side walls of the radial extension of the vacuum pumping and filtering trough and used for ensuring that slurry and washing liquid are uniformly distributed along the radial direction of the vacuum pumping and filtering trough. When the vacuum distribution device works, the external slurry supply device and the external washing liquid supply device supply to the feeding square pipes in the slurry distribution groove and the washing liquid distribution groove through the corresponding slurry inlets and washing liquid inlets, and after the slurry and the washing liquid in the square pipes are full of, the slurry and the washing liquid overflow along the tooth-shaped overflow ports and are uniformly distributed in the radial direction of the vacuum pumping and filtering groove to finish uniform distribution.
(4) Different from current revolving stage formula filtration washing machine, this closed filters washing machine in succession's suction filtration mechanism sets up in the below of device, and actuating mechanism sets up in the top of device, and the liquid after the washing receives gravity to flow automatically and enters into the suction filtration pipe with the mode of vacuum suction filtration in the vacuum suction filtration groove, and then outside the equipment of discharge through the suction filtration pipe, has improved liquid exhaust rate greatly. Actuating mechanism's setting makes things convenient for the sealed cooperation between each part of equipment, and the hoist and mount mode of hoist and mount vacuum filtration cell from the top is favorable to it to utilize self gravity to stabilize, prevents that actuating mechanism from driving the condition that the in-process of vacuum filtration cell pivoted from appearing the left and right sides and sways, causes the scraper to strike off and the unstability of collecting.
(5) Inside below of casing is provided with level gauge and level sensor, and the level gauge is used for showing the inside ponding volume of casing in real time, prevents that too much liquid from gathering inside the casing, causes harmful effects to the device. The liquid level sensor is used for collecting and conveying the liquid level condition inside the shell to the outside in real time, the liquid level sensor is externally connected with an alarm device, when accumulated water inside the shell reaches a certain warning value, the alarm can immediately send an alarm signal to the outside, and an operator is prompted to timely handle the accumulated water.
In conclusion, the closed continuous filtering washing machine can perform continuous solid-liquid separation operation, improve the solid-liquid separation efficiency and reduce the overall large-scale production cost.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a closed continuous filtration washing machine according to the present invention;
FIG. 2 is a schematic view showing a structure of a housing according to the present invention;
FIGS. 3 and 4 are schematic views showing the structure of a vacuum filtration cell according to the present invention;
FIGS. 5-8 are schematic diagrams illustrating the structure of the charging and discharging assembly of the present invention;
FIG. 9 is a schematic view mainly showing the structure of a suction filtration mechanism in the present invention;
FIG. 10 is a view mainly illustrating the construction of the driving mechanism of the present invention;
in the figure:
1. a housing; 2. a vacuum pumping filtration tank; 3. a feeding and discharging component; 4. a suction filtration mechanism; 5. a drive mechanism; 11. mounting a machine seal; 12. a manhole; 13. an upper end enclosure; 14. an upper flange; 15. an upper cylinder body; 16. a lower flange; 17. a lower cylinder body; 18. a pipe connecting flange; 19. a solid discharge port; 110. a lower end enclosure; 111. a level gauge and a level sensor; 112. sealing off the machine; 113. a flush tube; 114. a support; 115. a support leg; 21. an upper flange of the housing; 22. a housing edge flange; 23. cleaning the discharging baffle plate assembly; 24. a housing lower flange; 31. a central disc fixing frame; 32. blanking scraper plates; 33. discharging shovels; 331. a discharging shovel supporting plate; 332. a front bending plate of the discharging shovel; 333. a discharging shovel body; 334. discharging and shoveling a tetrafluoro plate; 34. a hollow groove; 35. feeding shovels; 351. a feeding shovel baffle; 352. a feeding shovel lower shovel component; 353. a feeding shovel sawtooth; 354. a feeding square tube; 41. a liquid outlet flange; 42. a sheath; 43. a tetrafluoro sleeve; 44. sealing off the machine; 45. the central disc is connected with a flange; 46. a suction filter tube; 51. a speed reducer; 52. an explosion-proof motor; 53. a frame; 54. a motor flange; 55. a roller bearing; 56. a bearing seat; 57. the upper central disc is connected with a flange; 58. and (4) tetrafluoro oil seal.
Detailed Description
The invention provides a closed continuous filtering washing machine, and in order to make the advantages and technical scheme of the invention clearer and clearer, the invention is described in detail with reference to specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Spatially relative terms, such as "below," "lower," "upper," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the object in use or operation in addition to the orientation depicted in the figures. For example, if the items in the figures are turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" can encompass both an orientation of below and above. Other orientations of the components are possible (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
As shown in figure 1, the invention relates to a closed continuous filtering washing machine, which comprises a shell 1, a vacuum pumping filter tank 2, a feeding and discharging assembly 3, a pumping filter mechanism 4 and a driving mechanism 5, wherein the feeding and discharging assembly 3 and the vacuum pumping filter tank 2 are positioned in the shell 1, the feeding and discharging assembly is positioned above the vacuum pumping filter tank, the pumping filter mechanism is positioned below the shell, and the driving mechanism is positioned above the shell.
As shown in fig. 2, the above-mentioned housing 1 includes a housing main body portion, the housing main body portion is formed by sequentially fixedly connecting an upper end enclosure 13, an upper cylinder 15, a lower cylinder 17 and a lower end enclosure 110 by welding, the housing main body further includes an upper machine enclosure 11, a manhole 12, an upper flange 14, a lower flange 16, a solid discharge port 19, a lower machine enclosure 112, a support 114 and a support leg 115, the upper machine enclosure 11 is used for sealing between the housing 1 and a driving mechanism, and the lower machine enclosure 112 is used for connecting between the housing and a suction filtration pipe. The solid discharge port 19 is preferably provided in the housing body below the above-mentioned blanking scraper and discharge shovel, and the purpose of this design is: can in time discharge the solid after filtering the washing in time, prevent that the filter cake on the vacuum filtration groove is too thick to influence the efficiency of suction filtration washing.
A liquid level meter and a liquid level sensor 111 are arranged below the inside of the shell, and the liquid level meter is used for displaying the water accumulation amount inside the shell in real time; the liquid level sensor is used for collecting and conveying the liquid level condition inside the shell to the outside in real time, the liquid level sensor is externally connected with an alarm device, and when the accumulated water inside the shell reaches a certain warning value, the alarm can immediately send an alarm signal to the outside to prompt an operator to process in time; the shell body is also provided with a sight glass, a lighting lamp, a vacuum pressure gauge, a safety access hole and a flushing pipe 113, and the flushing pipe 113 is used for flushing the closed continuous filtering washing machine.
As a main innovation point of the invention, with reference to fig. 3 and 4, the vacuum filtration tank is designed to be a rotary structure and can be continuously rotated in the housing by being driven by a driving mechanism, and comprises an upper housing flange 21, a housing side flange 22, a cleaning discharge baffle assembly 23 and a lower housing flange 24, and the upper flange of the vacuum filtration tank is provided with filter cloth, a supporting net and a bracket. The vacuum filtration tank is creatively set to be a rotary structure, the scraper is a fixed structure, so that a filter cake of an insoluble product formed on the vacuum filtration tank is continuously scraped and collected by the scraper, the filter cake is maintained at a thinner thickness, further filtration and washing work is not influenced, and corresponding slurry and washing liquid are continuously fed, so that the requirement of continuous operation is met.
As shown in fig. 5 to 8, the feeding and discharging assembly 3 includes a central disk fixing frame 31, a discharging scraper 32, a discharging shovel 33, a hollow tank 34, a slurry distributing tank and a washing liquid distributing tank, the central disk fixing frame 31 is fixed in the housing, the vacuum filtering tank is located below the central disk fixing frame, the discharging scraper 32, the slurry distributing tank and the washing liquid distributing tank are respectively connected with the central disk fixing frame 31, the slurry distributing tank and the washing liquid distributing tank are radially arranged around the center of the vacuum filtering tank, the slurry distributing tank and the washing liquid distributing tank are respectively connected with a corresponding slurry inlet and a corresponding washing liquid inlet, the slurry is uniformly flowed into the vacuum filtering tank through the slurry distributing tank, and a washing area is formed through the washing liquid distributing tank to wash insoluble substances in the slurry; when the filter cake formed by the insoluble substances in the vacuum filtration tank reaches a certain thickness, the filter cake is scraped out of the vacuum filtration tank through the inclined scraping surface at the lower end of the blanking scraper.
The slurry distributing groove and the washing liquid distributing groove main body are composed of a feeding shovel 35, the feeding shovel 35 comprises a feeding shovel baffle 351, a feeding shovel lower shovel part 352, feeding shovel sawteeth 353 and a feeding square pipe 354, and tooth-shaped overflow ports are respectively distributed on the upper portions of two side walls of each feeding shovel, which extend along the radial direction of the vacuum filtration groove, and are used for ensuring that slurry and washing liquid are uniformly distributed along the radial direction of the vacuum filtration groove. When the vacuum distribution device works, the external slurry supply device and the external washing liquid supply device supply to the feeding square pipes in the slurry distribution groove and the washing liquid distribution groove through the corresponding slurry inlets and washing liquid inlets, and after the slurry and the washing liquid in the square pipes are full of, the slurry and the washing liquid overflow along the tooth-shaped overflow ports and are uniformly distributed in the radial direction of the vacuum pumping and filtering groove to finish uniform distribution.
Preferably, the feeding and discharging assembly is provided with 1 square uniform slurry distributing groove and 3 square uniform washing liquid distributing grooves, the slurry distributing grooves and the 3 washing liquid distributing grooves are arranged around the center of the vacuum filtration groove along the radial direction, the vacuum filtration groove is divided into six areas, the six areas are always in a negative pressure state for carrying out filtration operation, wherein three areas carry out washing operation while carrying out filtration, and the slurry distributing groove and the washing liquid distributing groove are respectively positioned at the junction of the two areas.
The discharging shovel comprises a discharging shovel main body 333, a discharging shovel support plate 331, a discharging shovel front bending plate 332 and a discharging shovel tetrafluoro plate 334, wherein the discharging shovel support plate is located below the discharging shovel main body, and the discharging shovel tetrafluoro plate is located at the front end of the discharging shovel.
As shown in fig. 9, the suction filtration mechanism includes a liquid outlet flange 41, a sheath 42, a tetrafluoro sleeve 43, a lower machine seal 44, a central disk connecting flange 45 and a suction filtration pipe 46, the central disk connecting flange is used for fixedly connecting the suction filtration mechanism and the vacuum suction filtration tank, the suction filtration mechanism and the shell are in sealing fit through a tetrafluoro sealing device, the tetrafluoro sealing device includes a sheath 42 and a tetrafluoro sleeve 43, the suction filtration pipe extends into the tetrafluoro sealing device sheath, the tetrafluoro sealing device and the suction filtration pipe are in sealing connection through the tetrafluoro sleeve, a flange for supporting the sealing device is arranged at the lower end of a box body of the tetrafluoro sealing device, the lower end of the suction filtration mechanism is provided with the liquid outlet flange, the liquid outlet flange is used for fixedly connecting with an external liquid outlet collection device, and the lower machine seal is.
Furthermore, liquid enters the suction filtration pipe in the vacuum suction filtration tank in a gravity self-flow and vacuum suction filtration mode, and is discharged out of the equipment through the suction filtration pipe, so that the liquid discharge rate is greatly improved.
As shown in fig. 10, the driving mechanism includes a speed reducer 51, an explosion-proof motor 52, a frame 53, a motor flange 54, a roller bearing 55, a bearing seat 56, an upper center plate connecting flange 57, and a tetrafluoro oil seal 58. The driving mechanism is fixedly connected with the vacuum filtration tank through an upper central disc connecting flange, the rotation of the vacuum filtration tank is driven to be realized through the driving mechanism, a slurry distributing groove, a washing liquid distributing groove and a discharging scraper blade are arranged above the vacuum filtration tank, the slurry distributing groove and the washing liquid distributing groove are communicated with a corresponding slurry inlet and a corresponding washing liquid inlet, and the slurry inlet and the washing liquid inlet are connected with an external slurry supply device and a washing liquid supply device through an upper flange and a lower flange on the shell.
The explosion-proof motor, the speed reducer and the motor solid shaft in the driving mechanism are sequentially connected in a transmission manner, the explosion-proof motor and the speed reducer are arranged above the rack, and the position, connected with the explosion-proof motor in a transmission manner, of the speed reducer is connected with the rack in a sealing manner. Preferably, the motor is an explosion-proof variable frequency motor, the speed reducer is a speed reducer for a disc feeder, and the illuminating lamp is an explosion-proof lamp. The driving mechanism is mainly used for driving the vacuum filtration tank to rotate, when the vacuum filtration tank works, slurry is uniformly distributed on the vacuum filtration tank through the slurry distribution tank, liquid in the slurry is removed through suction filtration, insoluble substances in the slurry are continuously reserved on the upper portion of the vacuum filtration tank and pass through a cleaning area formed by the washing liquid distribution tank under the rotation of the vacuum filtration tank, so that the insoluble substances are cleaned, and the purity of a product is ensured.
The operation of the closed continuous filtration washing machine of the present invention is explained as follows:
the method comprises the following specific steps:
the slurry is uniformly distributed on a vacuum filtration tank through a slurry distributing groove, liquid in the slurry is removed through suction filtration, insoluble substances in the slurry are continuously kept at the upper part of the vacuum filtration tank and pass through a cleaning area formed by a washing liquid distributing groove under the rotation of the vacuum filtration tank so as to clean the insoluble substances, the purity of a product is ensured, meanwhile, the slurry on the vacuum filtration tank is always in a negative pressure suction filtration state, liquid components in the slurry are continuously suction-filtered into a housing below the vacuum filtration tank and are discharged through a suction filtration pipe;
the feeding and discharging assembly is provided with 1 square uniform slurry distributing groove and 3 square uniform washing liquid distributing grooves which are arranged along the radial direction around the center of the vacuum filtration groove, the vacuum filtration groove is divided into six areas, and the six areas are always in a negative pressure state for carrying out suction filtration operation. When the filter cake formed by insoluble substances reaches a certain thickness, the filter cake contacts the bottom of the blanking scraper, is scraped away from the vacuum filtration tank through the inclined scraping surface at the lower end of the blanking scraper and falls into the solid outlet, and is further collected through external equipment;
in the process, slurry is continuously fed and distributed, insoluble products are continuously scraped and collected, the reduction of the production efficiency caused by frequently opening a blanking valve in the traditional intermittent operation process is avoided, and the large-scale production can be realized.
The parts which are not described in the invention can be realized by taking the prior art as reference.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto.
Although terms such as housing, vacuum filter cell, feed and discharge assembly, suction filtration mechanism, drive mechanism, upper machine seal, manhole, etc. are used more often herein, the possibility of using other terms is not excluded, and these terms are used only for the purpose of more conveniently describing and explaining the essence of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
It is further understood that the specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a closed continuous filtration washing machine, its includes casing, vacuum filtration groove, business turn over material subassembly, suction filtration mechanism and actuating mechanism, its characterized in that:
the feeding and discharging component and the vacuum filtration groove are positioned in the shell, and the feeding and discharging component is positioned above the vacuum filtration groove; the suction filtration mechanism is positioned below the shell, and the driving mechanism is positioned above the shell;
the feeding and discharging assembly comprises a central disc fixing frame, a discharging scraper, a discharging shovel, a hollow groove, a slurry distributing groove and a washing liquid distributing groove, the central disc fixing frame is fixed in the shell, the vacuum pumping and filtering groove is positioned below the central disc fixing frame, and the discharging scraper, the slurry distributing groove and the washing liquid distributing groove are respectively connected with the central disc fixing frame; the slurry distributing groove and the washing liquid distributing groove are radially arranged around the center of the vacuum filtration groove, the slurry distributing groove and the washing liquid distributing groove are respectively connected with a corresponding slurry inlet and a corresponding washing liquid inlet, slurry uniformly flows into the vacuum filtration groove through the slurry distributing groove, and a washing area is formed through the washing liquid distributing groove to wash insoluble substances in the slurry; when a filter cake formed by insoluble substances in the vacuum filtration tank reaches a certain thickness, the filter cake is scraped out of the vacuum filtration tank through the inclined scraping surface at the lower end of the blanking scraper;
the upper part of the vacuum filtration tank is connected with the driving mechanism, and the vacuum filtration tank can continuously rotate in the shell under the action of the driving mechanism;
the lower part of the vacuum pumping and filtering tank is connected with the pumping and filtering mechanism, and the liquid in the vacuum pumping and filtering tank enters the pumping and filtering mechanism for pumping and filtering under the action of gravity.
2. A closed continuous filtration washing machine as claimed in claim 1, wherein: the vacuum pumping filtration tank is of a housing structure, the upper flange of the vacuum pumping filtration tank is provided with a filter cloth, a support net and a support, the support net is positioned on the support, and the filter cloth is positioned on the support net.
3. A closed continuous filtration washing machine as claimed in claim 1, wherein: the washing machine is characterized in that one slurry distributing groove is arranged, the shape of the washing machine distributing groove is square, the number of the washing machine distributing grooves is three, the shape of the washing machine distributing groove is square, and the slurry inlet and the washing machine inlet are respectively connected with an external slurry supply device and a washing machine supply device through an upper flange and a lower flange on the shell.
4. A closed continuous filtration washing machine as claimed in claim 1, wherein: the shell comprises a shell body, the shell body comprises a lower end enclosure, a lower cylinder body, an upper cylinder body and an upper end enclosure from bottom to top, a supporting structure is arranged below the shell body, an upper machine seal and a lower machine seal are respectively arranged at the top and the bottom of the shell body, the upper machine seal is used for sealing the shell and the driving mechanism, and the lower machine seal is used for sealing the shell and the suction filtration mechanism; the shell body on still be provided with manhole and solid discharge gate, the solid discharge gate set up the shell body department of unloading scraper blade and ejection of compact shovel corresponding below.
5. A closed continuous filtration washing machine as claimed in claim 4, wherein: the lower end enclosure, the lower cylinder body, the upper cylinder body and the upper end enclosure are fixedly connected together in sequence in a welding mode, the supporting structure comprises a support and supporting legs, the top of the support is connected with the shell body, and the bottom of the support is connected with the supporting legs; a liquid level meter and a liquid level sensor are arranged below the inside of the shell, and the liquid level meter is used for displaying the water accumulation amount inside the shell in real time; the liquid level sensor is used for collecting and conveying the liquid level condition in the shell to the outside in real time, the liquid level sensor is externally connected with an alarm device, and when the accumulated water in the shell reaches a certain warning value, the alarm can immediately send an alarm signal to the outside to prompt an operator to process in time; the shell body is also provided with a sight glass, a lighting lamp, a vacuum pressure gauge, a safety access hole and a flushing pipe.
6. A closed continuous filtration washing machine as claimed in claim 3, wherein: the major structure of ground paste distributing trough and lotion distributing trough comprises a plurality of feeding shovel, the feeding shovel piece, feeding shovel sawtooth and the square pipe of feeding under including feeding shovel baffle, feeding shovel, the profile of tooth overflow mouth of having arranged respectively on the upper portion of each feeding shovel all along the radial both sides wall that extends of vacuum filtration tank for guarantee ground paste and washing liquid radially carry out even cloth along vacuum filtration tank.
7. A closed continuous filtration washing machine as claimed in claim 3, wherein: the slurry distributing groove and the washing liquid distributing groove divide the vacuum pumping filtration groove into six areas, the six areas are always in negative pressure state for pumping filtration operation, wherein three areas are used for washing operation while pumping filtration is carried out, and the slurry distributing groove and the washing liquid distributing groove are respectively positioned at the junction of the two areas.
8. A closed continuous filtration washing machine as claimed in claim 1, wherein: suction filtration mechanism including going out liquid flange, tetrafluoro sealing device, machine seal down, center disk flange and suction filtration pipe, center disk flange be used for with suction filtration mechanism and vacuum suction filtration groove fixed connection, suction filtration mechanism with pass through between the casing the sealed cooperation of tetrafluoro sealing device, tetrafluoro sealing device includes sheath and tetrafluoro cover, the suction filtration pipe stretch into extremely the sheath in, tetrafluoro sealing device with through tetrafluoro cover sealing connection between the suction filtration pipe, tetrafluoro sealing device box body lower extreme is provided with and is used for the support tetrafluoro sealing device's flange, it is used for carrying out fixed connection with external liquid collection device to go out the liquid flange, machine seal down be used for the casing with be connected between the tetrafluoro sealing device.
9. A closed continuous filtration washing machine as claimed in claim 1, wherein: the driving mechanism comprises a speed reducer, an explosion-proof motor, a frame, a motor flange, a roller bearing, a bearing seat, an upper central disc connecting flange and a tetrafluoro oil seal, and is fixedly connected with the vacuum pumping filter tank through the upper central disc connecting flange and driven by the driving mechanism to realize the rotation of the vacuum pumping filter tank; the explosion-proof motor, the speed reducer and the solid shaft of the motor are sequentially in transmission connection, the explosion-proof motor and the speed reducer are arranged above the rack, and the speed reducer is in transmission connection with the explosion-proof motor and is in sealing connection with the rack.
10. A closed continuous filtration washing machine as claimed in claim 1, wherein: the ejection of compact shovel including ejection of compact shovel main part, ejection of compact shovel backup pad, ejection of compact shovel preceding bent plate and ejection of compact shovel tetrafluoro board, ejection of compact shovel backup pad be located the below of ejection of compact shovel main part, the ejection of compact shovel tetrafluoro board be located the front end of ejection of compact shovel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142795.1A CN112370843B (en) | 2020-10-23 | 2020-10-23 | Closed continuous filtering washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142795.1A CN112370843B (en) | 2020-10-23 | 2020-10-23 | Closed continuous filtering washing machine |
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| CN112370843A true CN112370843A (en) | 2021-02-19 |
| CN112370843B CN112370843B (en) | 2023-04-21 |
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|---|---|---|---|---|
| US4278035A (en) * | 1980-03-14 | 1981-07-14 | The United States Of America As Represented By The Secretary Of Agriculture | Machine for planting containerized tree and shrub seedlings |
| KR20090076768A (en) * | 2008-01-08 | 2009-07-13 | 히다찌 겐끼 가부시키가이샤 | Construction equipment |
| CN101816853A (en) * | 2010-04-30 | 2010-09-01 | 中国海洋石油总公司 | Large rotary-disc vacuum filter |
| CN103638734A (en) * | 2013-12-30 | 2014-03-19 | 攀枝花东方钛业有限公司 | Rotating-platform vacuum filtering machine and filtering method |
| CN108176118A (en) * | 2018-02-26 | 2018-06-19 | 无锡华盛橡胶新材料科技股份有限公司 | For the vacuum filter of insoluble sulfur separation of solid and liquid |
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2020
- 2020-10-23 CN CN202011142795.1A patent/CN112370843B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278035A (en) * | 1980-03-14 | 1981-07-14 | The United States Of America As Represented By The Secretary Of Agriculture | Machine for planting containerized tree and shrub seedlings |
| KR20090076768A (en) * | 2008-01-08 | 2009-07-13 | 히다찌 겐끼 가부시키가이샤 | Construction equipment |
| CN101816853A (en) * | 2010-04-30 | 2010-09-01 | 中国海洋石油总公司 | Large rotary-disc vacuum filter |
| CN103638734A (en) * | 2013-12-30 | 2014-03-19 | 攀枝花东方钛业有限公司 | Rotating-platform vacuum filtering machine and filtering method |
| CN108176118A (en) * | 2018-02-26 | 2018-06-19 | 无锡华盛橡胶新材料科技股份有限公司 | For the vacuum filter of insoluble sulfur separation of solid and liquid |
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|---|---|
| CN112370843B (en) | 2023-04-21 |
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