CN112516648A - Nitrogen protection pressurization filter device for laboratory - Google Patents
Nitrogen protection pressurization filter device for laboratory Download PDFInfo
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- CN112516648A CN112516648A CN202011470628.XA CN202011470628A CN112516648A CN 112516648 A CN112516648 A CN 112516648A CN 202011470628 A CN202011470628 A CN 202011470628A CN 112516648 A CN112516648 A CN 112516648A
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- filter
- nitrogen
- cylinder
- air inlet
- cavity
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 19
- 238000011085 pressure filtration Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 44
- 238000001914 filtration Methods 0.000 abstract description 41
- 238000002347 injection Methods 0.000 abstract description 10
- 239000007924 injection Substances 0.000 abstract description 10
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 238000005406 washing Methods 0.000 description 9
- 229910001873 dinitrogen Inorganic materials 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 150000002829 nitrogen Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
-
- 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
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
Abstract
The invention relates to the technical field of chemical synthesis preparation vessels, and discloses a nitrogen protection pressurization filtering device for a laboratory, which comprises a nitrogen cylinder and a filter cylinder, wherein a cover plate is fixedly arranged at the top of the filter cylinder, the left side and the right side of the filter cylinder are fixedly connected with side cylinders, the left side and the right side of an output end at the top of the nitrogen cylinder are fixedly connected with second air inlet pipes, the front side of the output end at the top end of the nitrogen cylinder is fixedly connected with a first air inlet pipe, and pressure injection mechanisms are arranged in cavities of the two. According to the nitrogen protection pressurization filtering device for the laboratory, after nitrogen is injected into the filter cylinder cavity through the first air inlet pipe by the nitrogen cylinder, nitrogen is injected into the filter cylinder cavity to increase the pressure, materials fall on the first filter screen and then are subjected to pressurization filtering through the injected nitrogen, and after the nitrogen is injected into the side cylinder cavity through the second air inlet pipe, the piston plate is pushed to further pressurize the filter cylinder cavity after the side cylinder cavity is pressurized, so that the filtering efficiency of the first filter screen in the filter cylinder cavity to the materials is improved.
Description
Technical Field
The invention relates to the technical field of chemical synthesis preparation vessels, in particular to a nitrogen protection pressurization filtering device for a laboratory.
Background
The nitrogen pressure filtration is a simple, quick and efficient separation method, and is suitable for aspects of chemical analysis, health inspection, petroleum industry, pharmaceutical industry, dye industry and the like. The principle is that the suspension passes through the medium under the action of external force, and solid particles and other substances are intercepted by the filtering medium, so that the solid and other substances are separated from the liquid. The filter device commonly used in the laboratory is provided with a Buchner funnel and a glass funnel or is connected with a vacuum pump to realize suction filtration, and when some chemicals are separated, the chemicals meet water vapor in the air and can be deliquesced or can be degraded when oxygen is met, and even the chemicals can be ignited to explode.
The nitrogen protection pressurization filter equipment of prior art often has following drawback in specific in-service use, and is first, can't divide according to the capacity of material how much to extrude and filter, and when the material is less, realize the same nitrogen gas then and lead to the problem of extravagant nitrogen gas, when the material is more, causes the material medium easily and carries out the problem of jam to the filter screen, and the second, current technique can't carry out the linkage washing to the filter screen, appears the problem that the medium blockked up the filter screen easily. Therefore, in order to solve the above problems, it is necessary to provide a nitrogen-protected pressure filtration device for a laboratory.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a nitrogen protection pressurization filtering device for a laboratory.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a nitrogen protection pressurization filtering device for a laboratory comprises a nitrogen cylinder and a filtering cylinder, wherein the filtering cylinder is a hollow cylinder with a hollow top, a supporting leg is fixedly installed at the bottom of the filtering cylinder, the nitrogen cylinder is positioned right behind the filtering cylinder, a cover plate is fixedly installed at the top of the filtering cylinder, side cylinders are fixedly connected to the left side and the right side of the filtering cylinder, the side cylinders are hollow cylinders and are communicated with the cavity of the filtering cylinder, second air inlet pipes are fixedly connected to the left side and the right side of the output end of the top of the nitrogen cylinder, the output ends of the two second air inlet pipes are fixedly connected to the wall surface of the corresponding side cylinder on one side, a first air inlet pipe is fixedly connected to the front side of the output end of the top of the nitrogen cylinder, the first air inlet pipe is T-shaped, two air outlet pipes at the front section of the first air inlet pipe are, and all be provided with control flap in two second intake pipes and the first intake pipe, the equal fixed mounting in apron top left and right sides has the inlet pipe, apron top rear side fixed mounting has the outlet duct, the equal fixed mounting in cartridge filter bottom left and right sides has the drain pipe, two inlet pipes, all be provided with the valve on two drain pipes and the outlet duct, cartridge filter intracavity middle part fixed mounting has the baffle, the left and right sides of baffle all is provided with first filter screen, two side cartridge filter intracavity all are provided with injection pressure mechanism, injection pressure mechanism includes the piston board, the piston board is the cylinder, annular spout has been seted up to side section of thick bamboo inner wall, piston board activity block is in the spout.
Preferably, two a side wall that the piston plate is close to the cartridge filter intracavity all is provided with wiper mechanism, wiper mechanism includes the gangbar, swinging arms and fixed disk, there are gangbar and rolling ball B at the both ends of gangbar respectively fixed mounting, the piston plate is close to a side wall of cartridge filter intracavity and sets up the ball groove with the mutual block of rolling ball A, rolling ball A movable mounting is in the ball groove at piston plate wall middle part, the other end of gangbar gos deep into in the cartridge filter intracavity, the swinging arms is the cylinder, the gangbar passes through rolling ball B movable mounting on the top wall of swinging arms, the bottom fixed mounting of swinging arms has the washing dish, the washing dish is the disc, the fixed disk is the annular, and two fixed disks set up bottom around the cartridge filter intracavity respectively, the washing dish sets up in the fixed disk that corresponds.
Preferably, two the linkage gas pocket has all been seted up to one side that the spout of side section of thick bamboo intracavity is close to the baffle, and the inlet end of linkage gas pocket is located the spout and is close to one side of baffle, and the inlet end and the spout of linkage gas pocket communicate each other, and the end of giving vent to anger of linkage gas pocket is located one side that the piston plate is close to the baffle all the time, and the end of giving vent to anger of linkage gas pocket communicates each other through side section of thick bamboo and cartridge filter intracavity.
Preferably, the circle center position department fixed mounting who washs the dish bottom has the guide bar, and two fixed disks are located S-shaped indent centre of a circle department around the baffle respectively, and first filter screen is circular, and first filter screen fixed mounting is on the bottom inner wall of fixed disk, and first filter screen top fixed mounting has spacing post, and spacing post is the cylinder of the equal fretwork in upper and lower both ends.
Preferably, an annular guide groove is formed in the top of the limiting column, and the bottom end of the guide rod is movably clamped in the guide groove.
Preferably, the bottom of the two cleaning discs are fixedly provided with bristles, and the bottom ends of the bristles are in contact with the top of the first filter screen.
Preferably, the outer walls of the two fixed disks are provided with uniformly distributed connecting rods between the inner wall of the filter cartridge corresponding to one side and the wall surface of the partition plate corresponding to one side.
Preferably, the connecting rod is in a spiral state which is gradually curved clockwise from top to bottom by taking the fixed disc as a circle center.
Preferably, equal fixed mounting has the second filter screen between two adjacent connecting rods of the baffle left and right sides, and the second filter screen is the arc.
(III) advantageous effects
Compared with the prior art, the invention provides a nitrogen protection pressurizing and filtering device for a laboratory, which has the following beneficial effects:
1. according to the nitrogen protection pressurization filtering device for the laboratory, due to the arrangement of the filter cylinder, the injection mechanism, the second air inlet pipe and the first air inlet pipe, after nitrogen is injected into the cavity of the filter cylinder through the first air inlet pipe by the nitrogen cylinder, the nitrogen is injected into the cavity of the filter cylinder to increase the pressure, materials fall on the first filter screen and then are subjected to pressurization filtering through the injected nitrogen, after the nitrogen is injected into the cavity of the side cylinder through the second air inlet pipe, the piston plate is pushed to further pressurize the cavity of the filter cylinder after the cavity of the side cylinder is pressurized, and the filtering efficiency of the first filter screen in the cavity of the filter cylinder to the materials is improved.
2. The nitrogen protection pressurizing and filtering device for the laboratory is provided with the pressure injection mechanism and the linkage air hole, when a nitrogen cylinder injects nitrogen into the side cylinder cavity through the second air inlet pipe to increase the pressure, the piston plate extrudes and pushes the side close to the filter cylinder cavity to increase the pressure of the filter cylinder, when the piston plate pushes the side cavity of the piston plate far away from the filter cylinder cavity to be communicated with the filter cylinder cavity through the linkage air hole, the nitrogen in the second air inlet pipe and the side cylinder cavity enters the filter cylinder cavity through the linkage air hole, so that the cavity of the side far away from the filter cylinder cavity of the second air inlet pipe and the side cylinder originally carries out transient pressure relief, the piston plate slides towards the side far away from the filter cylinder cavity, after the piston plate slides transiently, the second air inlet pipe injects nitrogen into the side cylinder cavity again to realize that the piston plate extrudes and pushes the side close to the filter cylinder cavity, finally, the piston plate moves back and forth in a circulating and reciprocating mode in the side cylinder cavity, nitrogen is additionally injected into the filter cylinder cavity in each back and forth movement, and therefore the filtering efficiency of the first filter screen on materials is improved, and the filtering efficiency of the filter screen on the materials is improved.
3. This nitrogen protection pressurization filter equipment is used in laboratory, through setting up wiper mechanism, carry out the reciprocating back and forth's of circulation back and forth motion in the side section of thick bamboo when two sets of piston plates pass through the nitrogen gas of second intake pipe injection and make, the piston plate drives the gangbar and then carries out the back and forth motion in the side section of thick bamboo intracavity, the gangbar is located the one end of cartridge filter intracavity and then drives the rocking bar through rotor ball B and drive the washing dish and carry out the circular motion on the fixed disk, consequently, when the washing dish carries out eccentric circular motion in the fixed disk, make the brush hair carry out extrusion formula contact cleaning to first filter screen constantly, realize wasing and washhing first filter screen surface, prevent that the medium from blocking up on first filter screen, cause the problem that first filter screen filtration efficiency reduces, further improve the filter efficiency.
4. This nitrogen protection pressurization filter equipment is used in laboratory, through setting up connecting rod and second filter screen, the connecting rod is the spiral state that uses the fixed disk to be the centre of a circle from the top down clockwise arc bending gradually, and the second filter screen is the arc, consequently, when the material passes through the second filter screen landing on first filter screen, the material can realize once primary filter when the second filter screen, through the area of contact who increases medium and second filter screen and first filter screen in the material, make can play when the pressure boost filters and prevent that second filter screen and first filter screen from being by the problem of medium filter jam, thereby improved and carried out filterable efficiency to the material.
5. According to the nitrogen protection pressurization filtering device for the laboratory, the partition plate and the two groups of first filter screens are arranged, the filtering efficiency of the device for the laboratory on materials is improved, when the material capacity is small, a small amount of materials can be injected into the filter cylinder cavity on one side of the partition plate, and the valve on the second air inlet pipe on the side is opened, so that the nitrogen using amount and the using rate of a nitrogen cylinder are reduced and reduced, the cost is reduced, the economic value of an enterprise is improved, when the materials are more, the materials are injected into the filter cylinder cavities on the left side and the right side of the partition plate, independent separated filtering is carried out, the efficiency of filtering the materials is improved, and the problem that when the material capacity is large, the filter screens are easily blocked by centralized filtering is solved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a top cross-sectional view of the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 3;
FIG. 5 is an enlarged view taken at A of FIG. 3 according to the present invention;
FIG. 6 is a schematic structural view of a fixing plate according to the present invention;
FIG. 7 is a bottom structure of the cleaning disc of the present invention;
FIG. 8 is a schematic view of the linkage rod and the cleaning disc structure of the present invention.
In the figure: 1. a nitrogen gas cylinder; 11. a second intake pipe; 12. a first intake pipe; 2. a filter cartridge; a cover plate 21; 22. a feed pipe; 23. an air outlet pipe; 24. a side cylinder; 25. a first filter screen; 26. a partition plate; 27. a liquid outlet pipe; 3. a pressure injection mechanism; 31. a piston plate; 32. a chute; 33. linkage air holes; 4. a cleaning mechanism; 41. a linkage rod; 42. rotating the ball A; 43. a rotating ball B; 44. a rocking bar; 45. cleaning the disc; 46. a guide bar; 47. fixing the disc; 48. a limiting column; 49. a guide groove; 5. brushing; 6. a connecting rod; 61. and a second filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: a nitrogen protection pressurization filtering device for a laboratory comprises a nitrogen cylinder 1 and a filter cylinder 2, wherein the filter cylinder 2 is a hollow cylinder with a hollow top, a supporting leg is fixedly installed at the bottom of the filter cylinder 2, the nitrogen cylinder 1 is positioned right behind the filter cylinder 2, a cover plate 21 is fixedly installed at the top of the filter cylinder 2, side cylinders 24 are fixedly connected to the left side and the right side of the filter cylinder 2, the side cylinders 24 are hollow cylinders, the side cylinders 24 are communicated with cavities of the filter cylinder 2, the left side and the right side of the top output end of the nitrogen cylinder 1 are fixedly connected with second air inlet pipes 11, the output ends of the two second air inlet pipes 11 are fixedly connected to the wall surface of the corresponding side cylinder 24, a first air inlet pipe 12 is fixedly connected to the front side of the output end of the top end of the nitrogen cylinder 1, the first air inlet pipe 12 is T-shaped, and two air, the two second air inlet pipes 11 and the first air inlet pipe 12 are communicated with the cavity of the filter cartridge 2, and the two second air inlet pipes 11 and the first air inlet pipe 12 are all provided with control valves, which are in the prior art and not described herein, the left and right sides of the top of the cover plate 21 are both fixedly provided with the inlet pipes 22, the rear side of the top of the cover plate 21 is fixedly provided with the outlet pipe 23, the left and right sides of the bottom of the filter cartridge 2 are both fixedly provided with the outlet pipes 27, the two inlet pipes 22, the two outlet pipes 27 and the outlet pipe 23 are both provided with valves, the middle part of the cavity of the filter cartridge 2 is fixedly provided with the partition plate 26, the left and right sides of the partition plate 26 are both provided with the first filter screens 25, the cavities of the two side cartridges 24 are both provided with the injection mechanisms 3, the injection mechanisms 3 comprise piston plates 31, the piston plates, the side of the chute 32 in the cavity of the two side cylinders 24 close to the partition plate 26 is provided with linkage air holes 33, the air inlet ends of the linkage air holes 33 are positioned at the side of the chute 32 close to the partition plate 26, the air inlet ends of the linkage air holes 33 are communicated with the chute 32, the air outlet ends of the linkage air holes 33 are always positioned at the side of the piston plate 31 close to the partition plate 26, the air outlet ends of the linkage air holes 33 are communicated with the cavity of the filter cartridge 2 through the side cylinders 24, the specific positions of the linkage air holes 33 are shown in fig. 5, one side wall surface of the two piston plates 31 close to the cavity of the filter cartridge 2 is provided with a cleaning mechanism 4, the cleaning mechanism 4 comprises a linkage rod 41, a swinging rod 44 and a fixed disc 47, two ends of the linkage rod 41 are respectively and fixedly provided with a rotation ball B43, one side wall surface of the piston plate 31 close to the cavity of the filter cartridge 2 is provided with a ball groove mutually, the other end of the linkage rod 41 extends into the cavity of the filter cartridge 2, the rocking rod 44 is a cylinder, the linkage rod 41 is movably mounted on the top wall surface of the rocking rod 44 through a rotating ball B43, a cleaning disc 45 is fixedly mounted at the bottom end of the rocking rod 44, the cleaning disc 45 is a disc, a guide rod 46 is fixedly mounted at the circle center position of the bottom of the cleaning disc 45, the fixed disc 47 is annular, the two fixed discs 47 are respectively arranged at the front bottom and the rear bottom of the cavity of the filter cartridge 2, the two fixed discs 47 are respectively positioned at the front and the rear S-shaped concave circle centers of the partition plate 26, the specific position relation between the fixed disc 47 and the partition plate 26 is shown in figure 3, the first filter screen 25 is circular, the first filter screen 25 is fixedly mounted on the inner wall of the bottom of the fixed disc 47, a limiting column 48 is fixedly mounted at the top of the first filter screen 25, the bottom activity block of guide bar 46 is in guide way 49, the equal fixed mounting in bottom of two purge trays 45 has brush hair 5, and the bottom of brush hair 5 and the top contact of first filter screen 25, the outer wall of two fixed disks 47 all with correspond one side cartridge filter 2 inner wall and correspond the connecting rod 6 that is provided with evenly distributed between the baffle 26 wall of one side, connecting rod 6 is the spiral state that uses fixed disk 47 as centre of a circle from the top down clockwise arc bending gradually, equal fixed mounting has second filter screen 61 between two adjacent connecting rods 6 of the baffle 26 left and right sides, second filter screen 61 is the arc.
When the device is used, materials to be filtered are injected into the cavities of the filter cartridges 2 through the two inlet pipes 22, the added materials are respectively positioned in the cavities of the filter cartridges 2 on the left and right sides of the partition plate 26, the injected materials gradually slide down through the second filter screens 61 on the two adjacent connecting rods 6 and slide down to the first filter screens 25 at the bottoms of the cavities of the two filter cartridges 2, after the materials are added, the valves on the two inlet pipes 22 are closed, then the valve of the nitrogen cylinder 1 is opened, firstly, the control valve on the first air inlet pipe 12 is opened, so that nitrogen in the nitrogen cylinder 1 is injected into the cavities of the filter cartridges 2, after the nitrogen is injected into the cavities of the filter cartridges 2 for pressurization, the materials on the two first filter screens 25 are filtered through the first filter screens 25, the filtered materials are discharged through the liquid outlet pipe 27, meanwhile, the air outlet pipe 23 discharges redundant gas, at the moment, then the control valves on the two second air inlet pipes 11 are opened, the nitrogen cylinder 1 injects nitrogen into the side cylinder 24 through the second air inlet pipes 11 again, after the pressure in the cavity of the side cylinder 24 is increased, the nitrogen pushes and pushes the piston plate 31 to the side close to the cavity of the filter cylinder 2, the piston plate 31 pushes and slides in the sliding groove 32, when the piston plate 31 pushes and connects the cavity of the side of the piston plate 31 far away from the cavity of the filter cylinder 2 with the cavity of the filter cylinder 2 through the linkage air hole 33, the nitrogen in the cavities of the second air inlet pipes 11 and the side cylinder 24 enters the cavity of the filter cylinder 2 through the linkage air hole 33, the pressure in the cavities of the second air inlet pipes 11 and the side cylinder 24 far away from the side of the filter cylinder 2 is released, the piston plate 31 slides towards the side far away from the cavity of the filter cylinder 2 through the sliding groove 32, at this time, the nitrogen injected into the, so that the materials on the first filter screen 25 are pressurized and filtered again, the filtered filtrate is discharged through the liquid outlet pipe 27, the gas is discharged through the gas outlet pipe 23, then the nitrogen gas cylinder 1 injects nitrogen gas into the cavity of the side cylinder 24 through the second gas inlet pipe 11 again, the piston plate 31 is extruded and pushed to one side close to the cavity of the filter cylinder 2 again, according to the same working principle, the piston plate 31 performs reciprocating motion in the cavity of the side cylinder 24, and the nitrogen gas is injected into the cavity of the filter cylinder 2 in an increasing way in each reciprocating motion, so that the filtering efficiency of the first filter screen 25 on the materials is increased, when the nitrogen gas injected into the two groups of piston plates 31 through the second gas inlet pipe 11 performs reciprocating motion in the cavity of the side cylinder 24, the piston plate 31 drives the linkage rod 41 to perform reciprocating motion in the cavity of the side cylinder 24, one end that gangbar 41 is located the 2 intracavity of cartridge filter then drives rocking bar 44 through rolling ball B43 and drives washing dish 45 circular motion on fixed disk 47 again, guide bar 46 block is in guide way 49, wash the brush hair 5 and the first filter screen 25 top of dish 45 bottom simultaneously and contact, consequently, when washing dish 45 carries out eccentric circular motion in fixed disk 47, make brush hair 5 continuous carry out the contact washing of extrusion formula to first filter screen 25, the material is filtered the medium that gets off then constantly by brush hair 5 and contact, the realization is washd and is washhed first filter screen 25 surface, prevent that the medium from blockking up on first filter screen 25, cause the problem that first filter screen 25 filtration efficiency reduces, improve first filter screen 25's filtration efficiency.
According to the invention, after nitrogen is injected into a cavity of a filter cylinder 2 through a first air inlet pipe 12, nitrogen is injected into the cavity of the filter cylinder 2 to increase the pressure, materials fall on a first filter screen 25 and then are subjected to pressure boosting filtration through the injected nitrogen, after the nitrogen is injected into the cavity of a side cylinder 24 through a second air inlet pipe 11, the cavity of the side cylinder 24 is pressurized and then a piston plate 31 is pushed to further pressurize the cavity of the filter cylinder 2, so that the filtering efficiency of the first filter screen 25 in the cavity of the filter cylinder 2 on the materials is improved, when the nitrogen is injected into the cavity of the side cylinder 24 through the second air inlet pipe 11 to increase the pressure, the piston plate 31 is pushed to one side close to the cavity of the filter cylinder 2 to increase the pressure of the filter cylinder 2, and when the piston plate 31 pushes the cavity of one side far away from the cavity of the filter cylinder 2 to be communicated with the cavity of the filter cylinder 2 through a linkage air hole 33, the nitrogen positioned in the 2 cavity, so that the cavity of the second air inlet pipe 11 and the side cylinder 24 far away from the filter cartridge 2 is briefly decompressed, the piston plate 31 is made to slide towards the side far away from the cavity of the filter cartridge 2, after the piston plate 31 slides briefly, the second air inlet pipe 11 injects nitrogen into the cavity of the side cylinder 24 again, so that the piston plate 31 is pushed to extrude towards the side close to the cavity of the filter cartridge 2 again, and finally the piston plate 31 performs reciprocating motion in the cavity of the side cylinder 24, and each reciprocating motion can increase the injection of nitrogen into the cavity of the filter cartridge 2, so as to increase the filtering efficiency of the first filter screen 25 on the material, thereby improving the filtering efficiency of the invention on the material, by arranging the cleaning mechanism 4, when the nitrogen injected by the two groups of piston plates 31 through the second air inlet pipe 11 performs reciprocating motion in the cavity of the side cylinder 24, the piston plate 31 drives the linkage rod 41 to move back and forth in the cavity of the side cylinder 24, one end of the linkage rod 41, which is positioned in the cavity of the filter cylinder 2, drives the swing rod 44 through the rotating ball B43 and then drives the cleaning disc 45 to move circularly on the fixed disc 47, so that when the cleaning disc 45 moves eccentrically and circularly in the fixed disc 47, the brush bristles 5 continuously perform extrusion type contact cleaning on the first filter screen 25, the surface of the first filter screen 25 is cleaned and washed, the problem that the first filter screen 25 is reduced in filtering efficiency due to the fact that a medium is blocked on the first filter screen 25 is solved, the filtering efficiency of the filter is further improved, by arranging the connecting rod 6 and the second filter screen 61, the connecting rod 6 is in a spiral state that the fixed disc 47 is gradually bent clockwise and arcuately from top to bottom with the center of a circle, and the second filter screen 61 is arcuately shaped, so that when the material slides down to the first filter screen 25 through the second filter screen 61, when materials pass through the second filter screen 61, primary filtration can be realized once, the contact area of media in the materials with the second filter screen 61 and the first filter screen 25 is increased, so that the problem that the second filter screen 61 and the first filter screen 25 are blocked by media during pressurization filtration can be solved, the efficiency of filtering the materials is improved, the partition plate 26 and the two groups of first filter screens 25 are arranged, the efficiency of filtering the materials is improved, when the material capacity is small, the invention can only inject a small amount of materials into the filter cylinder 2 cavity on one side of the partition plate 26 and only open the valve on the second air inlet pipe 11 on the side, so that the nitrogen usage amount and the usage rate of the nitrogen cylinder 1 are reduced, the cost is reduced, the economic value of enterprises is improved, when more materials are injected into the filter cylinder 2 cavities on the left side and the right side of the partition plate 26, carry out solitary separately and filter, improved and carried out filterable efficiency to the material, when solving the material capacity great, concentrate the problem that filters and block up the filter screen easily.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a nitrogen protection pressurization filter equipment is used in laboratory, includes nitrogen cylinder (1) and cartridge filter (2), and cartridge filter (2) are the hollow cylinder of top fretwork, and cartridge filter (2) bottom fixed mounting has a supporting leg, its characterized in that: the nitrogen cylinder (1) is located right behind the filter cylinder (2), a cover plate (21) is fixedly mounted at the top of the filter cylinder (2), side cylinders (24) are fixedly connected to the left side and the right side of the filter cylinder (2), the side cylinders (24) are hollow cylinders, the side cylinders (24) are communicated with cavities of the filter cylinder (2), second air inlet pipes (11) are fixedly connected to the left side and the right side of the output end of the top of the nitrogen cylinder (1), the output ends of the two second air inlet pipes (11) are fixedly connected to the wall surface of the corresponding side cylinder (24), a first air inlet pipe (12) is fixedly connected to the front side of the output end of the top of the nitrogen cylinder (1), the first air inlet pipe (12) is T-shaped, and two air outlet pipes of the front section of the first air inlet pipe (12) are fixedly mounted on the left side wall surface;
the two second air inlet pipes (11) and the first air inlet pipe (12) are communicated with the cavities of the filter cartridges (2), the two second air inlet pipes (11) and the first air inlet pipe (12) are respectively provided with a control valve, the left side and the right side of the top of the cover plate (21) are respectively and fixedly provided with an inlet pipe (22), the rear side of the top of the cover plate (21) is fixedly provided with an outlet pipe (23), the left side and the right side of the bottom of the filter cartridges (2) are respectively and fixedly provided with a liquid outlet pipe (27), the two inlet pipes (22), the two liquid outlet pipes (27) and the outlet pipe (23) are respectively provided with valves, the middle part in the cavities of the filter cartridges (2) is fixedly provided with a partition plate (26), the left side and the right side of the partition plate (26) are respectively provided with a first filter screen (25), the cavities of the two side cartridges (24, an annular sliding groove (32) is formed in the inner wall of the side barrel (24), and the piston plate (31) is movably clamped in the sliding groove (32).
2. The nitrogen-protected pressure filtration device for the laboratory according to claim 1, wherein: two side wall surfaces of the piston plates (31) close to the cavity of the filter cartridge (2) are respectively provided with a cleaning mechanism (4), each cleaning mechanism (4) comprises a linkage rod (41), a swinging rod (44) and a fixed disc (47), two ends of each linkage rod (41) are respectively and fixedly provided with the linkage rod (41) and a rotating ball B (43), one side wall surface of each piston plate (31) close to the cavity of the filter cartridge (2) is provided with a ball groove mutually clamped with the rotating ball A (42), the rotating ball A (42) is movably arranged in the ball groove in the middle of the wall surface of the piston plate (31), the other end of each linkage rod (41) extends into the cavity of the filter cartridge (2), each swinging rod (44) is a cylinder, each linkage rod (41) is movably arranged on the top wall surface of the swinging rod (44) through the rotating ball B (43), the bottom end of each swinging rod (44) is fixedly provided with a cleaning disc (45), and, the fixed disks (47) are annular, the two fixed disks (47) are respectively arranged at the front bottom and the rear bottom in the cavity of the filter cartridge (2), and the cleaning disk (45) is arranged in the corresponding fixed disk (47).
3. The nitrogen-protected pressure filtration device for the laboratory according to claim 2, wherein: two link air hole (33) have all been seted up to one side that spout (32) in side section of thick bamboo (24) intracavity are close to baffle (26), and the inlet end of link air hole (33) is located one side that spout (32) are close to baffle (26), and the inlet end and spout (32) of link air hole (33) communicate each other, and the end of giving vent to anger of link air hole (33) is located one side that piston plate (31) are close to baffle (26) all the time, and the end of giving vent to anger of link air hole (33) communicates each other through side section of thick bamboo (24) and cartridge filter (2) intracavity.
4. The nitrogen-protected pressure filtration device for the laboratory according to claim 2, wherein: the circle center position department fixed mounting who washs dish (45) bottom has guide bar (46), and two fixed disks (47) are located the front and back S-shaped indent centre of a circle department of baffle (26) respectively, and first filter screen (25) are circular, and first filter screen (25) fixed mounting is on the bottom inner wall of fixed disk (47), and first filter screen (25) top fixed mounting has spacing post (48), and spacing post (48) are the cylinder of the equal fretwork in upper and lower both ends.
5. The nitrogen-protected pressure filtration device for the laboratory according to claim 4, wherein: the top of the limiting column (48) is provided with an annular guide groove (49), and the bottom end of the guide rod (46) is movably clamped in the guide groove (49).
6. The nitrogen-protected pressure filtration device for the laboratory according to claim 2, wherein: two the bottom of wasing dish (45) is equal fixed mounting has brush hair (5), and the bottom of brush hair (5) and the top contact of first filter screen (25).
7. The nitrogen-protected pressure filtration device for the laboratory according to claim 2, wherein: and the outer walls of the fixed disks (47) are provided with connecting rods (6) which are uniformly distributed between the inner wall of the filter cartridge (2) corresponding to one side and the wall surface of the partition plate (26) corresponding to one side.
8. The nitrogen-protected pressure filtration device for the laboratory according to claim 7, wherein: the connecting rod (6) is in a spiral state of gradually clockwise arc-shaped bending from top to bottom by taking the fixed disc (47) as a circle center.
9. The nitrogen-protected pressure filtration device for the laboratory according to claim 8, wherein: equal fixed mounting has second filter screen (61) between two adjacent connecting rods (6) of baffle (26) left and right sides, and second filter screen (61) are the arc.
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| CN202011470628.XA CN112516648B (en) | 2020-12-14 | 2020-12-14 | Nitrogen protection pressurization filter device for laboratory |
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| CN202011470628.XA CN112516648B (en) | 2020-12-14 | 2020-12-14 | Nitrogen protection pressurization filter device for laboratory |
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| CN112516648B CN112516648B (en) | 2022-04-22 |
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| CN113521828A (en) * | 2021-07-09 | 2021-10-22 | 济南冠琛思包装科技有限公司 | Tin slag filtering device for tin plating on surface of novel packaging material |
| CN114504855A (en) * | 2022-03-04 | 2022-05-17 | 江苏中泰检测检验有限公司 | Efficient continuous-operation suction filtration device |
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|---|---|
| CN112516648B (en) | 2022-04-22 |
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