CN203264393U - Strengthening type screen basket - Google Patents
Strengthening type screen basket Download PDFInfo
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- CN203264393U CN203264393U CN 201320246052 CN201320246052U CN203264393U CN 203264393 U CN203264393 U CN 203264393U CN 201320246052 CN201320246052 CN 201320246052 CN 201320246052 U CN201320246052 U CN 201320246052U CN 203264393 U CN203264393 U CN 203264393U
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- basket
- snap ring
- ring section
- flange
- screen basket
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Abstract
The utility model belongs to the field of solid-liquid separation dewatering equipment of a coal-water mixture, and particularly relates to a strengthening type screen basket for a vertical sedimentation type dewatering machine based on a spiral screen. The strengthening type screen basket comprises cylinder-shaped screen basket and clamping ring parts, wherein the clamping rings are arranged on the outer wall position of the screen basket and used for fixing the relative position between the screen basket and an outer shell, and at least two clamping ring parts are mutually connected and matched end to end to form an arc-shaped structure which encircles the peripheral wall structure of the screen basket and is coincided with the peripheral wall structure of the screen basket; the connecting ends of the matched clamping ring parts are mutually connected fixedly. The strengthening type screen basket disclosed by the utility model abandons the traditional integral type clamping ring support frame and screen basket structure and achieves the purpose of high-efficiency assembly in a limited assembly space by adopting the clamping ring part in a split structure, provides the guarantee for the sealing and environment friendliness of an integral machine and more effectively ensures high compression resistant property and torsion resistant property of the machine.
Description
Technical field
The utility model belongs to the solid-liquid separation dehydration apparatus field of coal-water mixture, is specifically related to a kind of reinforced basket based on using on helical screens vertical sedimentation formula dewaterer.
Background technology
In coal preparation plant, the dehydration of fine granular materials is difficulty comparatively, and the dewatering machine that usually adopts mainly contains the dehydration equipments such as bowl centrifuge, vacuum filter, filter press.Wherein, bowl centrifuge is widely used in above-mentioned industry as a kind of typical material centrifugal-dehydration device; Its concrete structure is that Anhui University of Science and Technology is " a kind of helical screens vertical sedimentation formula dewaterer " (application number: all describe to some extent in utility model patent 201220049448.9) in the patent name of application on February 16th, 2012 the application people; And when reality was used, the coal-water mixture that need to carry out Separation of Solid and Liquid was fed by the large section feed pipe that is positioned at the one end, and coal-water mixture is in the zone that enters under the water conservancy diversion of the blade on auger conveyor between screen cloth and auger conveyor; Coal-water mixture is realized extrusion dehydration with screen cloth under the spiral blade effect of the gravity of material self and auger conveyor, slough most of moisture through screen filtration simultaneously, and the material in this moment coal-water mixture forms the ring-type beds of precipitation on the inwall of screen cloth; The sediment at beds of precipitation place is transported to discharge zone by auger conveyor again, is able to further extrusion dehydration obtaining solid material at the discharge zone material, and solid material is discharged by the discharge gate place immediately, thereby realizes Separation of Solid and Liquid.
the bowl centrifuge of said structure is because of itself good seal performance, the good performances such as contaminated environment is few obtain the favorable comment of a lot of manufacturers, yet, development along with the mineral process technology, coal preparation plant is day by day harsh for the requirement of mechanical device, the defective that this type itself exists also becomes clear day by day: the connected mode of the screen cloth of present bowl centrifuge, usually be all directly to rely on the peripheral affixed snap ring support of screen cloth with the formation integral structure, and rely on the snap ring support to realize affixed for the connection function between screen cloth and housing, because the bolt shape extension rod of snap ring support is can pass through fastening nuts after will stretching out housing outside housing, on the one hand, when assembling, must at first housing be cut into two semicircular cylinders, could again cover after the global facility that fixes basket and snap ring support and establish another semicircle machine barrel of assembling, and two semicircular cylinders also must be reinforced by flange and must consider the problem of its sealing especially simultaneously, whole operating process is complicated be can't bear, even if there is the wherein local damage of any parts, often will a whole set of basket and snap ring support, thereby caused serious wasting phenomenon, on the other hand, due to the snap ring support in fact namely one section weld with the basket outer wall and coordinate to form fixing bolt shape structure, the contact area of its pad is little, antitorque resistance to compression extreme difference, thereby affected greatly the actual antitorque and compressive property of body.
In view of this, some producer began to adopt the split-type structural of reinforced basket and snap ring support to substitute such scheme afterwards gradually, be also to adopt between tubular basket and the snap ring support that is fixed thereon to make respectively and the mode of later stage assembling in batches, its maintenance issues that well solves, if damaging, above-mentioned two global facilities also only need the single global facility of replacing to get final product, yet, because snap ring support and basket still form separately single piece after fractionation, the lengthy and tedious root problem of its assembling still can't reliably be solved; During practical operation, still to be cut into two semicircular cylinders to housing, could separately assemble two semicircular cylinders after assembling fixes the whole and snap ring support integral body of basket, and two semicircular cylinders will reinforce by flange also, the while still need be considered the external sealing problem of housing.How to develop a kind of the assembling simply and use reliable and stable reinforced basket system, to solve above-mentioned assembling and to safeguard drawback, for those skilled in the art compel technical barrier to be solved in recent years.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure and can guarantee the reinforced basket of external shell sealing property, and it also can guarantee convenience and the reliability of later maintenance when can effectively promoting packaging efficiency.
For achieving the above object, the utility model has adopted following technical scheme: a kind of reinforced basket, comprise the tubular basket, described reinforced basket also comprises the fixedly snap ring section of relative position between basket and external shell that is used for that is arranged at basket outer wall place, described snap ring section be at least two and each other tandem array coordinate to form around and the circular-arc structure of the basket periphery wall structure of coincideing, affixed setting each other between the cohesive end in the snap ring section that respectively matches.
The beneficial effects of the utility model are: abandoned traditional monoblock type snap ring support and basket structure, by the snap ring section of employing Split type structure, thereby the high efficiency that has played in limited assembling space is assembled purpose; During practical operation, after directly placing external shell, directly the placement part snap ring section by one by one is to realize the affixed of snap ring section and external shell, this moment more corresponding with screen cloth be positioned over this in affixed good snap ring section and settle fixing after, affixed all the other snap rings section successively again, and finally complete assembly operation; Because the installed surface of snap ring section of multi-segment structure own is little, thereby make assemblage gap between its basket and external shell be enough to guarantee the arrangement assembling of circular-arc snap ring section; Enclose again the special assembly structure of clamping after first split due to snap ring section, can directly external shell be made as whole circumferential closed barrel during making, thereby guarantee the sealing that it is external, and then give security for the sealing environment protecting of whole type; On the other hand, due to the tight face between snap ring section and basket or line pertinent relation, contact-making surface more than traditional bolt shape means of spot welds structure is larger, and with the increase of the contact area of screen cloth, the pressure that its unit are is received reduces, and is final also with regard to more efficiently high resistance to compression and the torsional property that has guaranteed type.
Description of drawings
Fig. 1 is mounting structure schematic diagram of the present utility model;
Fig. 2 is Facad structure schematic diagram of the present utility model;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the I part partial enlarged drawing of Fig. 3.
The specific embodiment
A kind of reinforced basket, comprise tubular basket 10, described reinforced basket also comprises the snap ring section that is used for fixedly basket 10 and 20 relative positions of external shell 30 that is arranged at basket 10 outer wall places, described snap ring section 30 be at least two and each other tandem array coordinate to form around and the circular-arc structure of the basket 10 periphery wall structures of coincideing, affixed setting each other between the cohesive end in the snap ring section 30 that respectively matches.
The utility model concrete structure can be with reference to shown in Fig. 1-4, and like this, the utility model has been by having abandoned traditional monoblock type snap ring support and basket structure, and adopt the snap ring section 30 of Split type structure, played the high efficiency assembling purpose in limited assembling space; The utility model is with basket 10 and snap ring section 30 respectively on the basis as discrete item, in order to solve try one's best when no longer cutting the problem of external shell 20 and the trying hard to keep maintenance requirement of local damage local replacing of when assembling, by snap ring section 30 is divided into some sections circular arc bodies, and with its around basket 10 with form the ring-type built-in structure come basket 10 carry out fastening.During actual assembled, after directly placing external shell 20, directly the placement part snap ring section 30 by one by one is to realize the affixed of snap ring section 30 and external shell 20, this moment is corresponding again is positioned over this in affixed good snap ring section 30 and settle fixing with screen cloth 10, affixed all the other snap rings section 30 successively more simultaneously, and finally complete assembly operation; Enclose the specific group assembling structure of clamping after first split due to snap ring section 30, itself installed surface is little, the assemblage gap that basket 10 and external shell are 20 has been enough to guarantee the normal arrangement assembling of circular-arc snap ring section 30, simultaneously, can directly external shell 20 be made as whole circumferential closed barrel during making, thereby guaranteed the sealing that it is external, and then given security for the sealing environment protecting of whole type; On the other hand, due to the tight face of 10 of snap ring section 30 and baskets or the line affixed relation of fitting, contact-making surface more than traditional bolt shape means of spot welds structure is larger, and with the increase of the contact area of screen cloth 10, the pressure that its unit are is received reduces, and then the firm degree between basket 10 and snap ring section 30 is higher, and is final also with regard to more efficiently high resistance to compression and torsional property when having guaranteed whole type work.
As further preferred version of the present utility model: as shown in Fig. 1-2, it is cylindric that described basket 10 profiles are taper type, and it is also the setting of frustum facial plane that the end face of snap ring section 30 consists of plane parallel basket 10 end faces; Simultaneously, described snap ring section 30 is two and the two snap ring section 30 equal semicircular in shape ring of profile strips, and matching of snap ring section 30 consists of detachable cooperation between cohesive end.the relation of being fitted to each other between the mutual cohesive end of snap ring section 30 can be multiple, or is the built-in structure that directly welds, or is to form integral structure after polymer adhesive all can, in fact, the split-type structural of the applicant pursues snap ring section 30 only needs to get final product based on making before installation between its accurate and uncrossed assemblage gap of normally inserting basket 10 and closed external shell 20, concrete structure after installing as for it, the mutual cohesive end that is preferably snap ring section 30 herein forms Demountable, like this, not only can significantly realize the convenient assembling in little space in assembling process before, even when the later stage fault such as fretting wear of snap ring section 30 or basket 10 occurs and need to carry out maintenance operation to it, only need again to take and separate snap ring section 30 and basket 10 apart by its demountable structure, can carry out the corresponding operation of changing separately to arbitrary snap ring section 30 and basket 10, thereby more be conducive to reduce its actual maintenance and replacement cost, its practicality is obviously higher.
further, as Figure 1-3, described snap ring section 30 comprises the first snap ring section 31 and the second snap ring section 32, two 30 formation pipeline leakage plugging device formula fastening structures of snap ring section that match, first, the second snap ring section 31, be provided with respectively on 32 cohesive end for affixed each other flange 30a, described basket 10 periphery walls are at the flange corresponding Flange-shaped Parts protrusion 10a that is furnished with in cooperation place of this cohesive end, cohesive end flange in described the first snap ring section 31, cohesive end flange in Flange-shaped Parts protrusion 10a on basket 10 and the second snap ring section 31 stacks gradually on sandwiched and its and is provided with one heart installing hole, between each installing hole with one heart and bolt peg graft to form the affixed cooperation of detachable bolt.the above-mentioned matching relationship of basket 10 and snap ring section 30, can be from understanding with lower angle: as fixture, itself necessarily need to have constant installation matching relationship, so that with the internal helicoid conveyer between form sound and coordinate, and above-mentioned flange assembly structure obviously can satisfy its constant fastening demand fully, in addition, shape for each flange, also do following restriction herein: the Flange-shaped Parts protrusion 10a profile on basket 10 is the auricle shape, described first, the second snap ring section 31, the flange mating surface of Flange-shaped Parts protrusion 10a on cohesive end flange 31a on 32 and basket 10 is parallel basket 10 axis arranged all, the utility model is by arranging the installing hole of similar flange hole on basket 10 Flange-shaped Parts protrusion 10a, and on each flange 30a in snap ring section 30, the poroid installing hole of flange is set equally, this moment just can be with the cohesive end flange in the first snap ring section 31, be considered as the stacked flange plate structure of three layers between the cohesive end flange three in the Flange-shaped Parts protrusion 10a on basket 10 and the second snap ring section 31, its structure as shown in Figure 4, intert fastening operation by normal nut-screw more afterwards and realize position stationarity between each person.
Further, the interior side ring surface of snap ring section 30 consists of the mating surface that coincide with basket 10 periphery walls, its outside is the wire of dispersing of outwards dispersing along its axle center on anchor ring and is furnished with and extends screw rod 30b, and bolt is affixed coordinates for 20 formation of described extension screw rod 30b and external shell.Extend the set-up mode of screw rod 30b, the same with the affixed mode of bolt of the snap ring support of traditional structure, just give unnecessary details no longer one by one herein.
Further, described basket 10 is segmentation structure, comprises along its axis direction from top to bottom first order of segmentation, the second level and third level basket section 11,12,13 successively; The aspect ratio along its axis direction of described basket sections at different levels is 2:2:1; Described every two snap ring sections that are fitted to each other 30 form one group of snap ring unit, and described snap ring unit is four groups and is arranged in respectively the head and the tail end of basket 10 and the place, counterface gap of basket sections at different levels.Because basket 10 is different along axis stressed situation from top to bottom, the wear rate of different parts is different again, when dehydrated material dewaters work through the inside of basket 10 from top to bottom, its swept volume reduces gradually, basket 10 pressures increase gradually, and its corresponding wear rate unavoidably can increase gradually.The utility model in case wherein the excessive wear phenomenon appears in certain one-level basket section, directly by quick-detachment and this section of replacing basket section, can be reassured its ability to work by the hierarchy of basket 10, obviously can further guarantee its maintaining cost; Even in use can be for the difference of its wear rates at different levels, and adopt targetedly the unlike material material, thus promoting the wearability of basket sections at different levels, the degree of depth of carrying out on the basis that builds on aforementioned segmental structure that also can't say that it is wrong is improved.The actual fixed position of each snap ring unit can be with reference to shown in Fig. 1-2; And when assembling, at first affixed to realize each person by the fastening of the baskets at different levels intersegmental upper and lower end face of matching, afterwards, by at first the first snap ring section 31 being put into external shell 20, and the reserving installation hole from external shell 20 inwalls of the extending bolt 30a on it is leant out and passes through fastening nuts, as shown in Figure 1; Afterwards, by the flange 30b that matches with protrusion 10a on basket 10 in snap ring section 30, centering and flange serial connection is fastening gradually successively with basket 10, the first snap ring section 31 and the second snap ring section 32, meanwhile afterwards the second snap ring section 32 of assembling to require when mounted the reserving installation hole of the other cooperation by external shell 20 to realize affixed, until final installation; Due to the little space mounting performance that snap ring section 30 unique Split type structures are guaranteed, whole assembling process is succinct convenience.The installation position of its four groups of snap ring unit plays the fixedly effect of basket 10 and external shell 20 on the one hand, has been the purpose in stable and airtight basket sections cooperations at different levels gap on the other hand.Each particular location of organizing snap ring corresponding Fig. 1-2 in unit is: the upper surface of first order basket section is alignd fastening with the upper surface of snap ring unit, the top, the first order coordinates place, gap, the second level to coordinate corresponding layout twice snap ring unit, gap place with third level basket section with second level basket section, the lower surface of last one snap ring unit and the lower surface of third level basket section also namely with the concordant fastening layout of the caudal end end face of whole basket 10.
During practical operation, for guaranteeing the service life of basket 10, adopt stainless steel, bainitic steel, signal bronze, nickel or titanium material making with the material contact portion on basket 10, the abrasive material rapid wear on basket 10 partly is provided with the high-abrasive material overcoat; And snap ring section 30 adopts stainless steel, bainitic steel, martensite steel or austenitic steel material to make as main twisting resistance and compressive resistance parts, to guarantee the high workload performance of snap ring section 30 by the strength character of its material itself.
Claims (10)
1. reinforced basket, comprise tubular basket (10), it is characterized in that, described reinforced basket also comprises the fixedly snap ring section (30) of relative position between basket (10) and external shell (20) that is used for that is arranged at basket (10) outer wall place, described snap ring section (30) be at least two and each other tandem array coordinate to form around and the circular-arc structure of basket (10) the periphery wall structure of coincideing, affixed setting each other between the cohesive end in the snap ring section (30) that respectively matches.
2. reinforced basket according to claim 1, it is characterized in that: it is cylindric that described basket (10) profile is taper type, and the end face of described snap ring section (30) consists of plane parallel basket (10) end face plane layout.
3. reinforced basket according to claim 1 and 2, it is characterized in that: described snap ring section (30) is two and the two equal semicircular in shape ring of snap ring section (30) profile strips, matching of snap ring section (30) consists of detachable cooperation between cohesive end.
4. reinforced basket according to claim 3, it is characterized in that: described snap ring section (30) comprises the first snap ring section (31) and the second snap ring section (32), form pipeline leakage plugging device formula fastening structure between the two snap ring sections (30) that match, first, the second snap ring section (31, 32) be provided with respectively on cohesive end for affixed each other flange (30a), described basket (10) periphery wall is at the corresponding Flange-shaped Parts protrusion (10a) that is furnished with in the flange cooperation place of this cohesive end, cohesive end flange in described the first snap ring section (31), cohesive end flange in Flange-shaped Parts protrusion (10a) on basket (10) and the second snap ring section (31) stacks gradually on sandwiched and its and is provided with one heart installing hole, between each installing hole with one heart and bolt peg graft to form the affixed cooperation of detachable bolt.
5. reinforced basket according to claim 4, it is characterized in that: Flange-shaped Parts protrusion (10a) profile on basket (10) is the auricle shape, and the flange mating surface of the Flange-shaped Parts protrusion (10a) on the cohesive end flange (31a) in described first, second snap ring section (31,32) and basket (10) is parallel basket (10) axis arranged all.
6. reinforced basket according to claim 4, it is characterized in that: the interior side ring surface of snap ring section (30) consists of the mating surface that coincide with basket (10) periphery wall, its outside is the wire of dispersing of outwards dispersing along its axle center on anchor ring and is furnished with and extends screw rod (30b), and between described extension screw rod (30b) and external shell (20), bolt is affixed coordinates in formation.
7. reinforced basket according to claim 4, it is characterized in that: described basket (10) is segmentation structure, comprises along its axis direction from top to bottom first order of segmentation, the second level and third level basket section (11,12,13) successively; Described every two snap ring sections (30) of being fitted to each other form one group of snap ring unit, and described snap ring unit is four groups and is arranged in respectively the head and the tail end of basket (10) and the place, counterface gap of basket sections at different levels.
8. reinforced basket according to claim 7, it is characterized in that: the aspect ratio along its axis direction of described basket sections at different levels is 2:2:1.
9. reinforced basket according to claim 3, it is characterized in that: making with material contact portion employing stainless steel, bainitic steel, signal bronze, nickel or titanium material on basket (10), the abrasive material rapid wear on basket (10) partly is provided with the high-abrasive material overcoat.
10. reinforced basket according to claim 3 is characterized in that: snap ring section (30) adopts stainless steel, bainitic steel, martensite steel or austenitic steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246052 CN203264393U (en) | 2013-05-08 | 2013-05-08 | Strengthening type screen basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246052 CN203264393U (en) | 2013-05-08 | 2013-05-08 | Strengthening type screen basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203264393U true CN203264393U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320246052 Expired - Fee Related CN203264393U (en) | 2013-05-08 | 2013-05-08 | Strengthening type screen basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203264393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023483A (en) * | 2020-08-31 | 2020-12-04 | 杭州沁田科技有限公司 | Front filter |
-
2013
- 2013-05-08 CN CN 201320246052 patent/CN203264393U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023483A (en) * | 2020-08-31 | 2020-12-04 | 杭州沁田科技有限公司 | Front filter |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20140508 |