CN116764942A - Multistage screening and refining process for chemical raw materials - Google Patents
Multistage screening and refining process for chemical raw materials Download PDFInfo
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- CN116764942A CN116764942A CN202310819759.1A CN202310819759A CN116764942A CN 116764942 A CN116764942 A CN 116764942A CN 202310819759 A CN202310819759 A CN 202310819759A CN 116764942 A CN116764942 A CN 116764942A
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- 238000012216 screening Methods 0.000 title claims abstract description 78
- 239000002994 raw material Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 238000007670 refining Methods 0.000 title claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 238000007873 sieving Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims 4
- 239000000463 material Substances 0.000 abstract description 64
- 239000002245 particle Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a multi-stage screening and refining process for chemical raw materials, which belongs to the technical field of material screening, wherein a plurality of filter screens with different apertures can be selected according to specific screening requirements, the filter screens are sequentially arranged in a self-selection screening machine according to the order of the apertures from large to small, and the materials in the filter screens are screened according to the corresponding sizes, so that the screening standard of the materials is increased and reduced according to the requirements, the materials are not required to be conveyed for multiple times, and screening equipment is not required to be replaced, a large amount of mechanical cost is reduced, the required multi-stage screening of the materials can be effectively carried out, in addition, in the process of screening the materials by the filter screens, deformation cone rods are caused to generate the shape change from slender to thick and short, the materials screened out from the upper end of the filter screens are transversely extruded and pushed, and the residual small-particle materials are further promoted to smoothly fall through a filter screen, so that the screening precision of the invention is improved.
Description
Technical Field
The invention relates to the technical field of material screening, in particular to a chemical raw material multistage screening and refining process.
Background
Chemical industry, i.e., the chemical industry, is widespread in aspects of human life. In modern life, chemical products are almost kept away at any time and any place, and are required to serve from the life of clothes, foods, lives, activities and other substances to the mental life of culture, art, entertainment and the like. The chemical process of changing the composition or structure of matter or synthesizing new matter is called chemical product.
In the chemical production process, the chemical raw materials are often required to be crushed and screened, and classified into different grades, namely, the chemical raw materials are required to be subjected to multistage separation and screening.
When realizing hierarchical screening, need use the filter screen of a plurality of different hole models to separate the material, current multistage screening equipment generally only can carry out fixed several separation procedure to the material, is difficult to increase, reduce the screening standard according to actual conditions for the material needs many times to carry, utilize a plurality of screening equipment, just can realize the required multistage screening of material.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide a multi-stage screening and refining process for chemical raw materials, which can select a plurality of filter screens with different apertures according to specific screening requirements, sequentially install the filter screens into a self-selection screening machine according to the order of the apertures from large to small, screen the materials in the filter screens with corresponding sizes, realize the screening standard of increasing and decreasing the materials according to the requirements, avoid carrying out material conveying for multiple times and replacing screening equipment, reduce a large amount of mechanical cost, effectively carry out required multi-stage screening on the materials, and can cause deformation cone rods to generate shape change from slender to thick and short in the process of screening the materials by the filter screens, and transversely squeeze and push the materials screened out from the upper end of the filter screens, so as to further promote the residual small-particle materials to smoothly fall through the filter screens, thereby improving the screening precision of the invention.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
A multi-stage screening and refining process for chemical raw materials comprises the following steps:
s1, introducing raw materials to be screened into a self-screening machine, preparing a plurality of pore-diameter type filter screens according to the required screening requirements, and sequentially arranging the filter screens according to pore diameters;
s2, installing a filter screen with the largest aperture into a self-selection screening machine, starting the self-selection screening machine to screen raw materials, and screening raw materials with corresponding sizes;
s3, closing the self-selection screening machine, taking out the filter screen in the self-selection screening machine, then installing the filter screen with the smaller size into the self-selection screening machine, and starting the self-selection screening machine again to screen the raw materials, so as to screen the raw materials with the corresponding sizes;
s4, repeating the step S3 until screening of all filter screens is completed, namely finishing multi-stage screening of raw materials;
further, the self-selecting screening machine comprises a horizontal cylinder and a base fixedly connected to the lower end of the horizontal cylinder, an inner fixed cylinder is arranged in the horizontal cylinder, one end of the inner fixed cylinder is fixedly connected with the inner wall of the horizontal cylinder, the other end of the inner fixed cylinder is sleeved with a rotating sleeve, a clamping groove matched with the filter screen is formed in the outer end of the rotating sleeve, and a long hole is formed in the horizontal cylinder.
Further, the one end that the inner fixed section of thick bamboo was kept away from to the commentaries on classics cover is from inside to outside movable run through lying cylinder and fixedly connected with extension rod, the outer end fixedly connected with gear of extension rod, the upper end fixedly connected with electric putter of base, electric putter's flexible end fixedly connected with rack board, rack board and gear engagement are connected.
Further, a vertical plate is fixedly connected between the outer end of the inner fixed cylinder and the upper inner wall of the horizontal cylinder, a plurality of evenly distributed discharging holes are formed in the inner fixed cylinder, and the discharging holes and the long holes are respectively located on the left side and the right side of the vertical plate.
Further, the inside of interior fixed cylinder is equipped with the internal baffle rather than the laminating of inner wall, the one end fixedly connected with discharging pipe that changes the cover is kept away from to the internal baffle, the discharging pipe activity runs through the horizontal cylinder and extends to its outside, the central angle that the internal baffle corresponds is greater than the central angle that a plurality of discharge holes correspond.
Further, the outer end fixedly connected with of the horizontal cylinder communicates with the inside of the horizontal cylinder, the feeding pipe is located at the lower side of the discharging pipe, and the outer end of the feeding pipe is fixedly connected with a pipe cover.
Further, the upper inner wall of the horizontal cylinder is fixedly connected with a plurality of evenly distributed deformation conical rods, and the deformation conical rods are positioned on one side of the vertical plate, which is close to the discharge hole.
Further, the deformation awl stick includes the roof plate with lying cylinder inner wall fixed connection, the downside of roof plate is equipped with the end ball, fixedly connected with telescopic link, cloth cover and a plurality of evenly distributed's elasticity curved bar between roof plate and the end ball.
Further, the telescopic rod and the elastic bent rod are both positioned in the cloth sleeve, the cloth sleeve is in a loose state, and the elastic bent rod is bent in a direction away from the telescopic rod.
Further, the outside of lying cylinder is equipped with outer baffle, the one end fixedly connected with a pair of T type slider that outer baffle is close to lying cylinder, a pair of T type spout has been seted up to lying cylinder's outer end, a pair of T type spout is located the both sides of slot hole respectively, a pair of T type slider sliding connection respectively in the inside of a pair of T type spout.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, a plurality of filter screens with different apertures can be selected according to specific screening requirements, the filter screens are sequentially installed into a self-selection screening machine according to the order of the apertures from large to small, the materials in the self-selection screening machine are screened according to the corresponding sizes, namely, after the screening of one filter screen on the materials is completed, the filter screen is taken out, the next filter screen with small apertures is installed, and the materials are continuously screened.
(2) In the process of screening materials by the filter screen, pushing extrusion can be caused to the deformed cone rod, the telescopic rod is shortened by extrusion, namely, the distance between the top disc and the end ball is shortened, so that the elastic bent rod is continuously bent outwards on the basis of the original bent shape of the elastic bent rod, the cloth sleeve is outwards expanded, the whole deformed cone rod is changed from the slender shape to the thick and short shape, and the deformed cone rod is enabled to transversely extrude and push the materials screened out from the upper end of the filter screen through the change of the thickness of the deformed cone rod, so that the residual small-particle materials are mixed in the deformed cone rod and can smoothly fall through the filter screen, and the purity of the large-particle materials screened out from the upper end of the filter screen is further improved.
(3) When the filter screen screens out materials with corresponding sizes, the vertical plates and the residual materials are repeatedly rotated up and down under the telescopic motion of the electric push rod, so that the materials at the upper end of the filter screen roll on the surface of the filter screen continuously, and then the squeezing action of the deformation process of the deformation cone rod on the materials is combined, so that the screened materials are subjected to the deep screening process, and the residual small particle materials in the screened materials are fully scattered, thereby effectively improving the screening precision of the invention.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a perspective view of the first embodiment of the present invention;
FIG. 3 is a second perspective view of the present invention;
FIG. 4 is a perspective view III of the present invention;
FIG. 5 is a schematic diagram of a front view of the present invention;
FIG. 6 is a perspective view of the present invention at the inner stator and rotor;
FIG. 7 is a second perspective view of the inner barrel and swivel of the present invention;
FIG. 8 is a perspective view of the inner barrel and swivel of the present invention;
FIG. 9 is a perspective view of the inner stator of the present invention;
FIG. 10 is a perspective view of a fourth embodiment of the present invention;
FIG. 11 is a schematic diagram of a front structure of a second embodiment of the present invention;
FIG. 12 is a schematic diagram of a front view of a third embodiment of the present invention;
FIG. 13 is a schematic view of the front structure of a deformed tapered rod of the present invention;
FIG. 14 is a schematic diagram of a front structure of the present invention;
fig. 15 is a schematic diagram of a front structure of the present invention.
The reference numerals in the figures illustrate:
1 base, 2 horizontal cylinder, 201 long hole, 3 inner fixed cylinder, 301 discharge hole, 302 inner baffle, 4 rotating sleeve, 401 clamping groove, 5 vertical plate, 6 deformed conical rod, 61 top disc, 62 end ball, 63 telescopic rod, 64 elastic bent rod, 65 cloth sleeve, 7 discharge pipe, 8 feed pipe, 9 electric push rod, 10 rack plate, 11 extension rod, 12 gear, 13 outer baffle and 14 filter screen.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments, are based on embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
referring to fig. 1, a process for multilevel screening and refining of chemical raw materials comprises the following steps:
s1, introducing raw materials to be screened into a self-screening machine, preparing a plurality of pore-diameter type filter screens 14 according to the required screening requirements, and sequentially arranging the pore-diameter type filter screens according to the pore sizes;
s2, installing a filter screen 14 with the largest aperture into a self-selection type sieving machine, starting the self-selection type sieving machine to sieve raw materials, and sieving raw materials with corresponding sizes;
s3, closing the self-selection screening machine, taking out the filter screen 14 in the self-selection screening machine, then installing the filter screen 14 with the smaller size into the self-selection screening machine, and starting the self-selection screening machine again to screen the raw materials, so as to screen the raw materials with the corresponding sizes;
s4, repeating the step S3 until screening of all the filter screens 14 is completed, namely finishing multi-stage screening of raw materials;
referring to fig. 2, the self-screening machine includes a horizontal cylinder 2 and a base 1 fixedly connected to the lower end of the horizontal cylinder 2, an inner fixed cylinder 3 is arranged in the horizontal cylinder 2, one end of the inner fixed cylinder 3 is fixedly connected with the inner wall of the horizontal cylinder 2, and a rotating sleeve 4 is sleeved at the other end of the inner fixed cylinder 3.
Referring to fig. 3, one end of the rotating sleeve 4 far away from the inner fixed cylinder 3 is movably penetrated through the horizontal cylinder 2 from inside to outside and is fixedly connected with an extension rod 11, the outer end of the extension rod 11 is fixedly connected with a gear 12, the upper end of the base 1 is fixedly connected with an electric push rod 9, the telescopic end of the electric push rod 9 is fixedly connected with a rack plate 10, the rack plate 10 is in meshed connection with the gear 12, the telescopic motion of the electric push rod 9 can drive the rack plate 10 to move back and forth, and the extension rod 11 drives the rotating sleeve 4 to rotate at the outer end of the inner fixed cylinder 3 through the cooperation of the rack plate 10 and the gear 12.
Referring to fig. 3-4, a long hole 201 is formed in the horizontal cylinder 2, when the filter screen 14 is installed, the filter screen 14 can be inserted into the horizontal cylinder 2 from the long hole 201, referring to fig. 5-8, a clamping groove 401 matched with the filter screen 14 is formed in the outer end of the rotary sleeve 4, after the filter screen 14 horizontally performs the horizontal cylinder 2, the filter screen 14 contacts with the outer end of the inner cylinder 3 and is clamped into the clamping groove 401 to be fixed, two end parts of the filter screen 14 are both contacted with the inner wall of the horizontal cylinder 2, when the rotary sleeve 4 rotates around the outer end of the inner fixed cylinder 3 under the action of the electric push rod 9, the rotary sleeve 4 can drive the filter screen 14 to rotate between the inner fixed cylinder 3 and the inner wall of the horizontal cylinder 2, as shown in fig. 11, when the filter screen 14 moves in a material, the filter screen 14 can smoothly pass through the filter screen 14, and the material with large particles is separated from the whole material along with the rotation of the filter screen 14, so that the screening of the material is realized. Note that: the size setting of the rotating sleeve 4 and the clamping groove 401 needs repeated experimental adjustment by a person skilled in the art, so that the rotating sleeve and the clamping groove smoothly drive the filter screen 14 to screen materials, the rotating sleeve and the clamping groove are not easy to separate, and the clamping groove 401 is internally fixedly connected with an elastic rubber pad, so that the stability of the filter screen 14 is enhanced.
Referring to fig. 5 and 7, a vertical plate 5 is fixedly connected between the outer end of the inner fixed cylinder 3 and the upper inner wall of the horizontal cylinder 2, a material screened by the filter screen 14 is blocked, a plurality of evenly distributed discharge holes 301 are formed in the inner fixed cylinder 3, the discharge holes 301 and long holes 201 are respectively positioned at the left side and the right side of the vertical plate 5, referring to fig. 9-11, an inner baffle 302 attached to the inner wall of the inner fixed cylinder 3 is arranged in the inner fixed cylinder 3, one end of the inner baffle 302, far away from the rotating sleeve 4, is fixedly connected with a discharge pipe 7, the discharge pipe 7 movably penetrates through the horizontal cylinder 2 and extends to the outer side of the inner baffle 302, the central angle corresponding to the inner baffle 302 is larger than the central angle corresponding to the plurality of discharge holes 301, the material screened by the filter screen 14 can enter the inner fixed cylinder 3 through the discharge holes 301, then is output and collected through the discharge pipe 7, before screening is completed, the material is stably screened in the horizontal cylinder 2 through the discharge holes 301, and the inner baffle 302 has larger friction force, and when the discharge pipe 7 is not manually rotated, the discharge pipe 7 and the inner baffle 302 can be kept stable, so that the material can be effectively blocked and blocked.
Referring to fig. 10, the outer end of the horizontal tube 2 is fixedly connected with a feeding tube 8 communicated with the inside of the horizontal tube 2, the feeding tube 8 is positioned at the lower side of the discharging tube 7, the outer end of the feeding tube 8 is fixedly connected with a tube cover, the feeding tube 8 is used for inputting and outputting materials in the horizontal tube 2, referring to fig. 10-11, the upper inner wall of the horizontal tube 2 is fixedly connected with a plurality of uniformly distributed deformation conical rods 6, and the deformation conical rods 6 are positioned at one side of the vertical plate 5 close to the discharging hole 301.
Referring to fig. 12-13, the deformed cone rod 6 includes a top disk 61 fixedly connected with the inner wall of the horizontal cylinder 2, an end ball 62 is disposed at the lower side of the top disk 61, a telescopic rod 63, a cloth sleeve 65 and a plurality of uniformly distributed elastic bent rods 64 are fixedly connected between the top disk 61 and the end ball 62, the telescopic rod 63 and the elastic bent rods 64 are located in the cloth sleeve 65, the cloth sleeve 65 is in a loose state, the elastic bent rods 64 are bent in a direction far away from the telescopic rod 63, the deformed cone rod 6 is used for assisting in separating and screening materials, when the filter screen 14 rotates to push and squeeze the deformed cone rod 6, the telescopic rod 63 is compressed and shortened, namely, the distance between the top disk 61 and the end ball 62 is shortened, so that the elastic bent rod 64 continues to bend outwards based on the original bending shape, the cloth sleeve 65 is expanded outwards, the whole deformed cone rod 6 is changed from a slender shape to a rough shape, and the material separated from the upper end of the filter screen 14 is pushed by transverse extrusion through the change of the thickness of the deformed cone rod 6, so that the residual small particle material can smoothly fall through the filter screen 14, and the purity of the large particle material separated from the upper end of the filter screen 14 is further improved.
In addition, referring to fig. 14, after the filter screen 14 screens out the materials with corresponding sizes, the vertical plate 5 and the rest materials are repeatedly rotated up and down under the telescopic motion of the electric push rod 9, so that the materials at the upper end of the filter screen 14 roll on the surface of the filter screen 14, and the squeezing action of the deformation process of the deformation cone rod 6 on the materials is combined, so that the screened materials are subjected to the deep screening process, and the residual small particle materials in the screened materials are fully scattered, thereby effectively improving the screening precision of the invention.
Referring to fig. 15, after the material with a corresponding size is screened out by the filter screen 14, the filter screen 14 is rotated until the material reaches the discharge hole 301, then the discharge pipe 7 is rotated to rotate the inner baffle 302 to one side, and the material is far away from the discharge hole 301, so that the screened material enters the inner cylinder 3 through the discharge hole 301 and is collected by the discharge pipe 7; after collection, the inner baffle 302 plugs the discharging hole 301 again, the filter screen 14 is rotated anticlockwise to the hole opening of the long hole 201, the filter screens 14 with different pore diameters can be replaced, and the next-size material is screened.
Referring to fig. 13, an outer baffle 13 is disposed on the outer side of the horizontal cylinder 2, a pair of T-shaped sliding blocks are fixedly connected to one end of the outer baffle 13, which is close to the horizontal cylinder 2, a pair of T-shaped sliding grooves are disposed on the outer end of the horizontal cylinder 2, the pair of T-shaped sliding grooves are respectively located on two sides of the long hole 201, the pair of T-shaped sliding blocks are respectively slidably connected to the inner parts of the pair of T-shaped sliding grooves, the outer baffle 13 can slide on the surface of the horizontal cylinder 2 through the cooperation of the T-shaped sliding blocks and the T-shaped sliding grooves, and in the material screening process, the long hole 201 is blocked, so that a small amount of dust generated in the screening process is not easy to enter the air through the long hole 201, and the environment friendliness of the invention is improved.
According to the invention, a plurality of filter screens 14 with different apertures can be selected according to specific screening requirements, the filter screens 14 are sequentially installed into a self-selection screening machine according to the order of the apertures from large to small, the materials in the filter screens 14 are screened according to the corresponding sizes, namely, after the filter screens 14 screen the materials, the filter screens 14 are taken out, the filter screens 14 with the next small aperture are installed, and the materials are continuously screened.
The above; is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.
Claims (3)
1. A process for multilevel screening and refining of chemical raw materials is characterized in that: the method comprises the following steps:
s1, introducing raw materials to be screened into a self-screening machine, preparing a plurality of pore-diameter type filter screens (14) according to the required screening requirements, and sequentially arranging the filter screens according to pore diameters;
s2, installing a filter screen (14) with the largest aperture into a self-selecting sieving machine, starting the self-selecting sieving machine to sieve raw materials, and sieving raw materials with corresponding sizes;
s3, closing the self-sizing screening machine, taking out the filter screen (14) in the self-sizing screening machine, then installing the small-size filter screen (14) into the self-sizing screening machine, and starting the self-sizing screening machine again to screen the raw materials, so as to screen the raw materials with corresponding sizes;
s4, repeating the step S3 until screening of all filter screens (14) is completed, namely finishing multi-stage screening of raw materials;
the self-selecting screening machine comprises a horizontal cylinder (2) and a base (1) fixedly connected to the lower end of the horizontal cylinder (2), an inner fixed cylinder (3) is arranged in the horizontal cylinder (2), one end of the inner fixed cylinder (3) is fixedly connected with the inner wall of the horizontal cylinder (2), the other end of the inner fixed cylinder (3) is sleeved with a rotating sleeve (4), the outer end of the rotating sleeve (4) is provided with a clamping groove (401) matched with a filter screen (14), the horizontal cylinder (2) is provided with a long hole (201), a vertical plate (5) is fixedly connected between the outer end of the inner fixed cylinder (3) and the upper inner wall of the horizontal cylinder (2), offer a plurality of evenly distributed's discharge opening (301) on interior section of thick bamboo (3), discharge opening (301) and slot hole (201) are located the left and right sides of riser (5) respectively, the last inner wall fixedly connected with of section of thick bamboo (2) crouches a plurality of evenly distributed's deformation awl stick (6), deformation awl stick (6) are located one side that riser (5) is close to discharge opening (301), deformation awl stick (6) include with section of thick bamboo (2) inner wall fixed connection's footwall footstock (61), the downside of footstock (61) is equipped with end ball (62), fixedly connected with telescopic link (63) between footstock (61) and end ball (62), cloth cover (65) and a plurality of evenly distributed's elasticity bent rod (64), telescopic link (63) and elasticity bent rod (64) all are located the inside of cloth cover (65), cloth cover (65) are the relaxation state, elasticity bent rod (64) are crooked towards the direction of keeping away from telescopic link (63).
2. The process for multi-stage screening and refining of chemical raw materials according to claim 1, wherein the process is characterized in that: one end that changes cover (4) and keep away from interior fixed cylinder (3) is from inside to outside movable run through lying cylinder (2) and fixedly connected with extension rod (11), the outer end fixedly connected with gear (12) of extension rod (11), the upper end fixedly connected with electric putter (9) of base (1), the flexible end fixedly connected with rack board (10) of electric putter (9), rack board (10) are connected with gear (12) meshing:
an inner baffle (302) attached to the inner wall of the inner cylinder (3) is arranged in the inner cylinder (3), one end, away from the rotary sleeve (4), of the inner baffle (302) is fixedly connected with a discharge pipe (7), the discharge pipe (7) movably penetrates through the horizontal cylinder (2) and extends to the outer side of the horizontal cylinder, and the central angle corresponding to the inner baffle (302) is larger than the central angle corresponding to the discharge holes (301); the outside of lying cylinder (2) is equipped with outer baffle (13), the one end fixedly connected with a pair of T type slider that outer baffle (13) is close to lying cylinder (2), a pair of T type spout has been seted up to the outer end of lying cylinder (2), and a pair of T type spout is located the both sides of slot hole (201) respectively, a pair of T type slider sliding connection respectively in the inside of a pair of T type spout.
3. The process for multilevel screening and refining of chemical raw materials according to claim 2, wherein the process is characterized in that: the outer end of the horizontal cylinder (2) is fixedly connected with a feeding pipe (8) communicated with the inside of the horizontal cylinder, the feeding pipe (8) is positioned at the lower side of the discharging pipe (7), and the outer end of the feeding pipe (8) is fixedly connected with a pipe cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310819759.1A CN116764942A (en) | 2022-06-20 | 2022-06-20 | Multistage screening and refining process for chemical raw materials |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310819759.1A CN116764942A (en) | 2022-06-20 | 2022-06-20 | Multistage screening and refining process for chemical raw materials |
| CN202210701424.5A CN115041395B (en) | 2022-06-20 | 2022-06-20 | Multistage screening and refining process for chemical raw materials |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210701424.5A Division CN115041395B (en) | 2022-06-20 | 2022-06-20 | Multistage screening and refining process for chemical raw materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116764942A true CN116764942A (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210701424.5A Active CN115041395B (en) | 2022-06-20 | 2022-06-20 | Multistage screening and refining process for chemical raw materials |
| CN202310819759.1A Pending CN116764942A (en) | 2022-06-20 | 2022-06-20 | Multistage screening and refining process for chemical raw materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7013835B2 (en) * | 2004-04-27 | 2006-03-21 | David Brokaski | Cat litter device |
| KR101908799B1 (en) * | 2016-12-15 | 2018-10-16 | 엄준호 | Toilet for pets |
| CN208800178U (en) * | 2018-08-22 | 2019-04-30 | 潮州市宝美环保科技有限公司 | A kind of broken sorting equipment of oyster shell |
| CN111644374A (en) * | 2020-06-09 | 2020-09-11 | 乔威武 | Swing type sand sieving device for building |
| CN112452731B (en) * | 2020-11-26 | 2023-04-11 | 小佩网络科技（上海）有限公司 | Pet cat excrement screening plant |
| CN113340077B (en) * | 2021-08-06 | 2021-10-01 | 南通江勤美金属制品有限公司 | Distributed powdery material drying device |
| CN114074385B (en) * | 2022-01-19 | 2022-03-29 | 江苏碧云天高新技术有限公司 | Semi-rotary plastic particle drying device |
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- 2022-06-20 CN CN202310819759.1A patent/CN116764942A/en active Pending
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| CN115041395A (en) | 2022-09-13 |
| CN115041395B (en) | 2024-02-23 |
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