CN209985587U - Horizontal spiral centrifugal machine without slag and material accumulation - Google Patents
Horizontal spiral centrifugal machine without slag and material accumulation Download PDFInfo
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- CN209985587U CN209985587U CN201920805949.7U CN201920805949U CN209985587U CN 209985587 U CN209985587 U CN 209985587U CN 201920805949 U CN201920805949 U CN 201920805949U CN 209985587 U CN209985587 U CN 209985587U
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Abstract
The utility model relates to a there is not sediment, no long-pending material decanter centrifuge that crouches, including rotary drum, spiral pusher, conveying pipe, first motor, second motor, differential mechanism, spiral pusher is located the rotary drum, and first motor is used for the drive the rotary drum is rotatory, the second motor with differential mechanism connection is used for the drive spiral pusher reverse rotation, establish the feed cylinder in the spiral pusher, a plurality of discharge gates are evenly seted up to the feed cylinder, the conveying pipe stretches into in the feed cylinder, a spherical bulk cargo ware is established to feed cylinder central authorities, the discharge gate of conveying pipe is just right spherical bulk cargo ware centre of sphere, the rotary drum is provided with an end cap with centrifuge big end journal junction, the end cap is close to the rotary drum inner wall and avoids this scheme long-pending material, slag charge to remain to the life cycle of extension equipment.
Description
Technical Field
The utility model relates to a spiral shell centrifuge field crouches, concretely relates to spiral shell centrifuge crouches of no sediment, no long-pending material.
Background
The horizontal screw centrifuge is a settling equipment with horizontal screw discharging and continuous operation. The centrifuge has the working principle that the rotary drum and the spiral rotate at a high speed in the same direction at a certain differential speed, materials are continuously introduced into a feeding bin of the spiral pusher through a feeding pipe, the materials enter the rotary drum after being accelerated, and heavy solid substances are deposited on the wall of the rotary drum to form a slag layer under the action of a centrifugal force field. The conveying screw continuously pushes deposited solid-phase substances to a conical section of the rotary drum and discharges the solid-phase substances out of the machine through a slag discharge port. The lighter liquid phase forms an inner layer liquid ring, continuously overflows from the rotary drum through an overflow port at the large end of the rotary drum, and is discharged out of the machine through a liquid discharge port. The machine can continuously feed, separate and discharge materials under full-speed operation.
The prior art has the following disadvantages: no matter how cleaning equipment, the liquid of rotary drum to weir plate height can remain throughout inside the rotary drum, can not arrange to the greatest extent, especially in the food industry, if do not arrange the material after shutting down, the material that remains in the rotary drum can deteriorate, influence normal use next time, secondly, the material is sent into defeated material spiral inner tube by the conveying pipe, then rely on centrifugal force to get into the rotary drum under its rotation, at this in-process material entering defeated material spiral inner tube, and defeated material spiral inner tube is under high-speed rotation state, thereby make the material paste at defeated material spiral inner tube inner wall, can not spill from defeated material spiral inner tube discharge gate immediately, thereby form long-pending material, remain in defeated material spiral inner tube, thereby make equipment need periodic maintenance, delay the course of work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a no sediment, no long-pending material spiral shell centrifuge crouches, avoid long-pending material, slag charge to remain to the life cycle of extension equipment.
The purpose of the utility model is realized through the following technical scheme:
the horizontal screw centrifuge without slag and accumulated material comprises a rotary drum, a spiral pusher, a feeding pipe, a first motor, a second motor and a differential mechanism, wherein the spiral pusher is positioned in the rotary drum, the first motor is used for driving the rotary drum to rotate, the second motor is connected with the differential mechanism and is used for driving the spiral pusher to enable the spiral pusher to have a relative difference rotating speed with the rotary drum, a feeding cylinder is arranged in the spiral pusher, a plurality of discharging ports are uniformly formed in the feeding cylinder, the feeding pipe extends into the feeding cylinder, a spherical dispersing device is arranged in the center of the feeding cylinder, the discharging port of the feeding pipe is over against the spherical center of the spherical dispersing device, a plug is arranged at the joint of the rotary drum and a large-end shaft neck of the centrifuge, and the plug is close to the inner wall of the.
In order to solve the problem that the traditional conveying cylinder is slow in discharging and easy to remain, the main improvement point of the scheme is to arrange a sphere in the conveying cylinder, so that the material does not fall on the inner wall of the conveying cylinder after entering, but is firstly contacted with the sphere, and because the whole spiral pusher is in the high-speed rotation process, the material is contacted with a spherical scattering device to generate centrifugal force to scatter all around, and is directly discharged from a discharge port, only a small amount of material remains on the inner wall of the conveying cylinder, but is centrifugally discharged under the high-speed rotation of the conveying cylinder, so that the characteristics of quick discharging and small residual quantity are formed.
Furthermore, the small-caliber end of the conical section rotary drum of the rotary drum extends to form a section of discharging section, the discharging section is uniformly provided with a plurality of discharging openings, and the outer wall of the discharging section is uniformly fixed with a plurality of scrapers along the axial direction.
The bin outlet of discharge opening as the slag charge piles up a large amount of slag charges for a long time for conical section rotary drum outer wall takes place wearing and tearing, and this scheme still sets up the scraper at conical section rotary drum outer wall, scrapes away the slag charge, avoids conical section rotary drum outer wall direct and slag charge friction, thereby has reduced the wearing and tearing volume of conical section rotary drum outer wall.
Furthermore, a layer of tungsten carbide is sprayed on the surface of the scraper, and the tungsten carbide has high hardness and can avoid abrasion of the scraper.
Furthermore, the scraper is provided with a screw hole, and the scraper penetrates through the screw hole through a screw to be fixed on the outer wall of the discharging section.
Furthermore, the screw hole is a counter bore, and the screw can be hidden by using the counter bore, so that abrasion is avoided.
Furthermore, a layer of ceramic patches is pasted on the right part of the inner wall of the straight section rotary drum of the rotary drum and the inner wall of the conical section rotary drum, slag is mainly concentrated on the right part in the production process, the left part is in a liquid phase, and in order to reduce the abrasion of the slag on the inner wall of the rotary drum, a layer of ceramic patches is pasted on the inner wall of the right part of the rotary drum to reduce the abrasion.
Furthermore, the ceramic patches comprise regular polygon ceramic patches and rectangular ceramic patches, the rectangular ceramic patches are axially pasted along the inner wall of the rotary drum to form a plurality of uniformly distributed ceramic wear-resistant strips, and the regular polygon ceramic patches are pasted in areas among the ceramic wear-resistant strips.
Furthermore, the thickness of regular polygon ceramic paster is 3mm, the thickness of rectangle ceramic paster is 6 mm.
Furthermore, a plurality of metal wear-resistant strips are uniformly fixed on the left part of the inner wall of the straight-section rotary drum along the axial direction, a plurality of through holes are formed in the metal wear-resistant strips, and the metal wear-resistant strips are welded on the inner wall of the straight-section rotary drum through the through holes.
Furthermore, the spherical material disperser is a solid stainless steel sphere, and a layer of tungsten carbide is sprayed on the surface of the sphere.
The utility model has the advantages that: compare with current spiral shell centrifuge crouches, this scheme is through introducing high-pressure pay-off and spherical scattered glassware for the pay-off gets into the back and produces centrifugal force immediately and carries out the ejection of compact, need advance to go into the defeated feed cylinder with traditional material and just produce centrifugal force after the contact of defeated feed cylinder inner wall and compare, this scheme ejection of compact speed is faster, can avoid more materials to remain, and has avoided the slag charge to go out at the discharge gate to remain through setting up the scraper at the discharge opening.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a plug at the joint of a large-end shaft neck of the centrifuge and a straight-section rotary drum;
FIG. 3 is an enlarged view of a portion of the spherical bulk spreader of the present invention;
FIG. 4 is a schematic view of a cone-section drum of the present invention;
fig. 5 is a schematic view of the straight-section rotary drum of the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1, the horizontal screw centrifuge without slag and material accumulation comprises a rotary drum 1, a spiral pusher 2, a feeding pipe 6, a first motor 7, a second motor 8 and a differential mechanism 9, wherein the spiral pusher 2 is positioned in the rotary drum 1, the first motor 7 is used for driving the rotary drum 1 to rotate, the second motor 8 is connected with the differential mechanism 9 and is used for driving the spiral pusher 2 to rotate in the reverse direction, a material conveying cylinder 3 is arranged in the spiral pusher 2, a plurality of material outlets 4 are uniformly formed in the material conveying cylinder 3, the feeding pipe 6 extends into the material conveying cylinder 3, a liquid phase outlet 10 is formed at an opening at the left end of the rotary drum 1, and a slag outlet 10 is formed at an opening at the right end of the.
As shown in figure 3, in order to solve the problems of slow discharging and easy material accumulation of the current products, the scheme is that a spherical material scattering device 5 is arranged in the center of a material conveying cylinder 3, a discharging port of a material conveying pipe 6 is over against the spherical center of the spherical material scattering device 5, materials are conveyed into the material conveying cylinder 3 under the action of high pressure and directly impact on the spherical material scattering device 5, and the spherical material scattering device 5 rotates at high speed, so that the materials are scattered to the periphery by centrifugal force generated when contacting the spherical material scattering device 5, and are quickly discharged through the discharging port 4, and partial materials are discharged from the discharging port 4 after contacting the inner wall of the material conveying cylinder 3.
Besides, the rotary drum 1 is further improved, a plug 12 is arranged at the joint of the rotary drum 1 and the large end journal of the centrifuge, the plug 12 is close to the inner wall of the rotary drum 1, as shown in fig. 2, a thin inner hexagonal outer screw plug is arranged at the end face of the joint of the straight section rotary drum of the rotary drum 1 and the large end journal of the centrifuge, the plug 12 is positioned below a filtrate outlet 13 of the straight section rotary drum, namely, a slag discharge port for cleaning filter residues is arranged below the filtrate outlet 13 (the bottom of the weir plate) at the joint of the straight section rotary drum and the large end journal of the centrifuge, the slag discharge port is flush with the inner wall of the rotary drum 1, and when the rotary drum works, the plug is sealed by the thin inner hexagonal outer screw plug and taken down during cleaning, the residue-free cleaning of the filter residues can be completed, and the problem that the slag materials are always accumulated.
The spherical material scattering device 5 is a solid stainless steel sphere, and in order to reduce abrasion of the spherical material scattering device 5, a layer of tungsten carbide is sprayed on the surface of the sphere.
As shown in fig. 4, the drum 1 of the present embodiment is divided into a straight drum 100 and a conical drum 101, and the straight drum 100 and the conical drum 101 are connected by a flange 102, as in the conventional horizontal screw centrifuge. The small-bore end of conical segment rotary drum 101 extends and forms one section and unloads section 103, and a plurality of discharge openings 104 are evenly seted up to unloading section 103, and unloading section 103 outer wall evenly is fixed with a plurality of scrapers 105 along the axial, sets up a scraper 105 between two discharge openings 104 in this scheme, two discharge openings in interval between two adjacent scrapers 105. The surface of the scraper 105 is sprayed with a layer of tungsten carbide. The scraper 105 is provided with a screw hole 106, the scraper 105 is fixed on the outer wall of the discharging section 103 through the screw hole 106 by a screw, the screw hole 106 is a countersunk hole, and the nut of the screw is positioned in the countersunk hole to form complete hiding.
As shown in fig. 5, a layer of ceramic patches 200 is adhered to the right portion of the inner wall of the straight-section rotating drum 100 and the inner wall of the conical-section rotating drum 101, each ceramic patch 200 includes a regular polygon ceramic patch 201 and a rectangular ceramic patch 202, each rectangular ceramic patch 202 is adhered along the axial direction of the inner wall of the rotating drum 1 to form a plurality of ceramic wear strips which are uniformly distributed, each regular polygon ceramic patch 201 is adhered to an area between the ceramic wear strips, the thickness of each regular polygon ceramic patch 201 is 3mm, and the thickness of each rectangular ceramic patch 202 is 6mm, in this embodiment, each regular polygon ceramic patch 201 is a regular hexagon ceramic sheet, a plurality of metal wear strips 203 are uniformly fixed along the axial direction on the left portion of the inner wall of the straight-section rotating drum 100, each metal wear strip 203 is provided with a plurality of through holes 204; since the hardness of the ceramic wear strips is lower than that of the metal wear strips 203, the number of the ceramic wear strips is twice that of the metal wear strips 203, namely, one metal wear strip 203 is arranged for every two ceramic wear strips.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the invention as expressed in the above teachings or as known to the person skilled in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. A slag-free and material-accumulation-free horizontal screw centrifuge comprises a rotary drum (1), a spiral material pusher (2), a feeding pipe (6), a first motor (7), a second motor (8) and a differential mechanism (9); spiral pusher (2) are located rotary drum (1), and first motor (7) are used for the drive rotary drum (1) is rotatory, second motor (8) with differential mechanism (9) are connected and are used for the drive spiral pusher (2) antiport, establish feed cylinder (3) in spiral pusher (2), a plurality of discharge gates (4) are evenly seted up in feed cylinder (3), conveying pipe (6) stretch into in feed cylinder (3), its characterized in that:
a spherical material scattering device (5) is arranged in the center of the material conveying cylinder (3), and a discharge hole of the material conveying pipe (6) is over against the spherical center of the spherical material scattering device (5);
a plug (12) is arranged at the joint of the rotary drum (1) and a large-end shaft neck of the centrifugal machine, and the plug (12) is close to the inner wall of the rotary drum (1).
2. The horizontal decanter centrifuge of claim 1, wherein the small-diameter end of the conical bowl (101) of the bowl (1) extends to form a discharge section (103), the discharge section (103) is uniformly provided with a plurality of discharge openings (104), and the outer wall of the discharge section (103) is uniformly fixed with a plurality of scrapers (105) along the axial direction.
3. A slagless, accumulational free decanter centrifuge as claimed in claim 2, in which said scraper (105) is surface coated with a layer of tungsten carbide.
4. A slagless, material accumulation free horizontal decanter centrifuge according to claim 3, characterised in that said scraper (105) is provided with screw holes (106), the scraper (105) being fastened to the outer wall of the discharge section (103) by means of screws extending through said screw holes (106).
5. A slagless, accumulational decanter centrifuge as claimed in claim 4, wherein said screw holes (106) are counter-sunk.
6. The horizontal decanter centrifuge of claim 2, wherein a layer of ceramic patches (200) is adhered to the right part of the inner wall of the straight drum (100) and the inner wall of the conical drum (101) of the drum (1).
7. The slag-free and material-accumulation-free horizontal decanter centrifuge as claimed in claim 6, wherein said ceramic patches (200) comprise regular polygonal ceramic patches (201) and rectangular ceramic patches (202), said rectangular ceramic patches (202) are axially adhered along the inner wall of said rotating drum (1) to form a plurality of uniformly distributed ceramic wear strips, and the areas between said ceramic wear strips are adhered with said regular polygonal ceramic patches (201).
8. A slagless, material accumulation free decanter centrifuge as claimed in claim 7, characterised in that said regular polygonal ceramic patches (201) have a thickness of 3mm and said rectangular ceramic patches (202) have a thickness of 6 mm.
9. The horizontal decanter centrifuge of claim 8, wherein a plurality of metal wear strips (203) are uniformly fixed on the left portion of the inner wall of the straight rotary drum (100) along the axial direction, the metal wear strips (203) are in butt joint with the ceramic wear strips and are kept flush, the metal wear strips (203) are provided with a plurality of through holes (204), and the metal wear strips (203) are welded on the inner wall of the straight rotary drum (100) through the through holes (204).
10. The horizontal decanter centrifuge of claim 1, wherein said spherical material disperser (5) is a solid stainless steel sphere having a tungsten carbide layer sprayed on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805949.7U CN209985587U (en) | 2019-05-31 | 2019-05-31 | Horizontal spiral centrifugal machine without slag and material accumulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805949.7U CN209985587U (en) | 2019-05-31 | 2019-05-31 | Horizontal spiral centrifugal machine without slag and material accumulation |
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| CN209985587U true CN209985587U (en) | 2020-01-24 |
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| CN201920805949.7U Active CN209985587U (en) | 2019-05-31 | 2019-05-31 | Horizontal spiral centrifugal machine without slag and material accumulation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545358A (en) * | 2020-05-20 | 2020-08-18 | 上海离创环保机电有限公司 | Slag hole scraping device of horizontal spiral sedimentation centrifuge |
| CN112774267A (en) * | 2020-12-31 | 2021-05-11 | 安徽节源环保科技有限公司 | Spiral propelling movement centrifugal feeding's plate and frame filter press |
| CN117414955A (en) * | 2023-11-04 | 2024-01-19 | 建湖金拓机械制造有限公司 | Slag discharging structure of drilling fluid centrifugal machine |
| CN117414955B (en) * | 2023-11-04 | 2024-06-07 | 建湖金拓机械制造有限公司 | Slag discharging structure of drilling fluid centrifugal machine |
-
2019
- 2019-05-31 CN CN201920805949.7U patent/CN209985587U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545358A (en) * | 2020-05-20 | 2020-08-18 | 上海离创环保机电有限公司 | Slag hole scraping device of horizontal spiral sedimentation centrifuge |
| CN112774267A (en) * | 2020-12-31 | 2021-05-11 | 安徽节源环保科技有限公司 | Spiral propelling movement centrifugal feeding's plate and frame filter press |
| CN117414955A (en) * | 2023-11-04 | 2024-01-19 | 建湖金拓机械制造有限公司 | Slag discharging structure of drilling fluid centrifugal machine |
| CN117414955B (en) * | 2023-11-04 | 2024-06-07 | 建湖金拓机械制造有限公司 | Slag discharging structure of drilling fluid centrifugal machine |
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