CN101058085A - Spiral mechanism for horizontal centrifugal machine - Google Patents
Spiral mechanism for horizontal centrifugal machine Download PDFInfo
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- CN101058085A CN101058085A CN 200610025903 CN200610025903A CN101058085A CN 101058085 A CN101058085 A CN 101058085A CN 200610025903 CN200610025903 CN 200610025903 CN 200610025903 A CN200610025903 A CN 200610025903A CN 101058085 A CN101058085 A CN 101058085A
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- spiral
- centrifugal machine
- discharging opening
- horizontal centrifugal
- cylindrical shell
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- 238000007599 discharging Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 abstract description 25
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A horizontal centrifugal spiral machine comprises the spiral cylinder with over one leaking holes on the wall and the spiral vane, feeding mouth of the centrifugal corresponding to the spiral cylinder having at least two symmetrical material outlet, each connected to an independent channel and formed into the spiral feeding cavity structure, each channel connected with the said cavity, with outlet of the independent channel having bigger arc angle, the radius being one third or one half of the spiral cylinder diameter, with reduced friction and collision, and damage to the separation, being able to extend the durability of the machine, improved in working efficiency and reduced in maintenance cost.
Description
Technical field
The present invention relates to a kind of screw mechanism of horizontal screw centrifuge, be particularly useful for the big L/D ratio horizontal screw centrifuge.
Background technology
Horizontal screw centrifuge is a horizontal spiral discharge sedimentation centrifuge, at present, has been widely used in the Separation of Solid and Liquid and the dehydration of industries such as dehydrating municipal sludge, water factory's spoil disposal dehydration, industrial and agricultural wastewater processing, chemical industry, food, pharmacy.For horizontal screw centrifuge, the decanting zone is long more, and draw ratio is big more, and separating effect is good more, but shaft power is also big more; Can select the horizontal screw centrifuge of different draw ratios in actual the use according to different medium characters for use; but the big L/D ratio horizontal screw centrifuge is when handling the bigger material of big flow or proportion; material often can take place in fill process to backflow out between the gap of feed pipe and spiral feed cavity; make the solid granulates of material in the long-play process, constantly accumulate; cause the friction and the collision of spiral and feed pipe at last, cause the shutdown of improper situation.The rotating speed of big L/D ratio horizontal screw centrifuge is all higher relatively, and material is relatively large to the discharging opening impact of spiral, and long-play then can cause the wearing and tearing of spiral discharging mouth, and needs periodic replacement hard, wear-resistant device.The big L/D ratio horizontal screw centrifuge is when running up in addition, and material one enters in the rotary drum settling section, the rapid layering of solid, liquid two-phase meeting, but material is still entering in the rotary drum settling section of not stopping; And for common spiral, the material in the feed cavity directly enters into the solid, liquid two-phase of layering under action of centrifugal force, and the solid-liquid two-phase of original sedimentation is mixed together once more, makes the sedimentation separation effect reduce.
Summary of the invention
Goal of the invention of the present invention provides and a kind ofly can overcome existing deficiency in the prior art, can keep charging unobstructed and can improve spiral discharging mouth life cycle, reduce the spiral mechanism for horizontal centrifugal machine that wear-resistant device is changed frequency, reached better sedimentation separation effect.
This is invented technical problem to be solved and can be achieved through the following technical solutions.
Spiral mechanism for horizontal centrifugal machine, comprise spiral cylindrical shell and helical blade, it is characterized in that: spiral cylindrical shell circumferential wall is provided with an above leak, at least be provided with the discharging opening of two symmetric arrangement on the spiral cylindrical shell circumferential wall of the corresponding section in centrifuge feed pipe outlet place, single discharging opening all is connected with an autonomous channel, spiral feed cavity structure has been formed in described discharging opening and autonomous channel, and any one described passage all is communicated with described spiral feed cavity cavity.
The discharging opening number of spiral feed cavity is three, and described three discharging openings are that symmetrical centre space 120 degree are arranged with the axial line of spiral; Be provided with taper between at least two symmetrical discharging openings of spiral feed cavity and quicken bucket; An above leak that is provided with on the spiral cylindrical shell circumferential wall is evenly distributed; The exit, autonomous channel is provided with than the orthodrome bent angle, and described radius size than the orthodrome bent angle is roughly 1/3rd to 1/2nd of spiral stack shell diameter dimension; Each autonomous channel connects the discharging opening place and respectively is provided with a cover sheet.
Adopt the horizontal screw centrifuge spiral of this technical scheme, the friction and the collision that have effectively solved returning charge that horizontal screw centrifuge causes and cause because of buildup causing between spiral and the feed pipe in the process of big flow charging, and the material that separates enters in the rotary drum back to the destruction of the material solid-liquid layering of centrifugation to the wearing and tearing of spiral discharging mouth and material, can prolong machine working life, increase work efficiency, reduce maintenance cost.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention being done one describes in detail.
Fig. 1 is the structural representation of spiral mechanism for horizontal centrifugal machine involved in the present invention;
Fig. 2 is described spiral feed cavity structural representation.
Among the figure: 1, spiral cylindrical shell 2, helical blade 3, feed pipe 11, leak 12, autonomous channel 13, discharging opening 131, cover sheet 14, acceleration bucket
The specific embodiment
Spiral mechanism for horizontal centrifugal machine as illustrated in figs. 1 and 2, comprise helical blade 2 and spiral cylindrical shell 1, spiral cylindrical shell 1 circumferential wall is provided with a plurality of leaks 11, spiral cylindrical shell 1 circumferential wall of the corresponding section in centrifuge feed pipe 3 outlet places is provided with a symmetrical 2-3 discharging opening 13, the single discharging opening 13 of spiral feed cavity all is connected with an autonomous channel 12, discharging opening 13 has been formed spiral feed cavity structure jointly with autonomous channel 12, each autonomous channel 12 all is communicated with the feed cavity cavity, three discharging openings 13 are that symmetrical centre space 120 degree are arranged with the axial line of spiral, be provided with taper between three symmetrical discharging openings 13 of spiral feed cavity and quicken bucket 14, this taper is quickened bucket 14 taperings and is spent between 45 degree 25, and optimum value is 30 degree; The flow velocity that bucket 14 can increase discharging opening place material is quickened in taper, reduces the possibility that solid formation is detained accumulation.
The a plurality of leaks 11 that are provided with on spiral cylindrical shell 1 circumferential wall are evenly distributed, the outlet corner design of described independent runner 12 has than the orthodrome bent angle, when handling common material (the solid, liquid difference in specific gravity is about 1), the radius size design of circular arc is generally 1/3rd of spiral stack shell 1 diameter dimension, handle relatively and difference in specific gravity when the feed separation more than 2, the arc radius size design is generally 1/2nd of spiral stack shell 1 diameter dimension.Each 12 exit, autonomous channel respectively is provided with a cover sheet 131; the middle part of cover sheet 131 is a cavity; the peripheral part of cover sheet 131 links to each other by the sidewall of securing member with the spiral cavity of discharging opening 13 peripheries; the inboard covering in the middle part of cover sheet 131 is provided with a wearing layer; the inner surface of whole feed cavity cavity all covers and is provided with wearing layer, and this wearing layer can be hard alloy layer.Cover sheet 131 can prevent directly the wear and tear discharging opening 13 of spiral of material, loads and unloads described cover sheet 131 by securing member, can change again after cover sheet 131 wearing and tearing; Being provided with of several places wearing layer can slow down the wearing and tearing of material to member.
By using described spiral feed cavity structure, when handling big flow material, material can directly enter in the rotary drum by the discharging opening 13 of spiral cylindrical shell 1, the spiral cylindrical shell 1 that unnecessary material can backflow to and have a plurality of leaks 11 from the gap location of feed pipe 3 and spiral cylindrical shell 1, enter into again in the rotary drum by leak 11, can solve in fill process the problem with buildup of backflowing that material takes place like this.The helical structure that has the discharging opening 13 that connects autonomous channel 12 by use, the runner design does not all have any dead angle, and all be the autonomous channel, the mean allocation of will wearing and tearing is to several discharging openings, and improved the flowability of material, efficiently solved material owing to the wear problem of action of centrifugal force to discharging opening.By using the spiral cylindrical shell of independent runner discharging opening, in its independent runner there be than the orthodrome bent angle design, the material that is subjected to centrifugal action there is very big guide effect, make material can directly not enter in the rotary drum solid, liquid two-phase of layering along vertical direction, simultaneously under guide effect, material stream before this is mapped on the helical blade 2, enter in the rotary drum again along helical blade 2 then, more effective like this material of having alleviated mixes the generation of stirring phenomenon each other, has improved the effect of sedimentation separation.
Claims (6)
1, spiral mechanism for horizontal centrifugal machine, comprise spiral cylindrical shell (1) and helical blade (2), it is characterized in that: spiral cylindrical shell (1) circumferential wall is provided with an above leak (11), spiral cylindrical shell (1) circumferential wall of the corresponding section in centrifuge feed pipe (3) outlet place is provided with the discharging opening (13) of at least two symmetric arrangement, single discharging opening (13) all is connected with an autonomous channel (12), described discharging opening (13) has been formed spiral feed cavity structure with autonomous channel (12), and any one described passage (12) all is communicated with described spiral feed cavity cavity.
2, spiral mechanism for horizontal centrifugal machine according to claim 1 is characterized in that: the discharging opening of described spiral feed cavity (13) number is three, and described three discharging openings (13) are that symmetrical centre space 120 degree are arranged with the axial line of spiral.
3, spiral mechanism for horizontal centrifugal machine according to claim 1 is characterized in that: be provided with taper at least between two symmetrical discharging openings (13) of described spiral feed cavity and quicken bucket (14).
4, spiral mechanism for horizontal centrifugal machine according to claim 1 is characterized in that: an above leak (11) that is provided with on described spiral cylindrical shell (1) circumferential wall is evenly distributed.
5, spiral mechanism for horizontal centrifugal machine according to claim 1, it is characterized in that: exit, described autonomous channel (12) is provided with than the orthodrome bent angle, and described radius size than the orthodrome bent angle is roughly 1/3rd to 1/2nd of spiral stack shell (1) diameter dimension.
6, spiral mechanism for horizontal centrifugal machine according to claim 1 is characterized in that: described each autonomous channel (12) connect discharging opening (13) and locate respectively to be provided with a cover sheet (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610025903 CN101058085A (en) | 2006-04-21 | 2006-04-21 | Spiral mechanism for horizontal centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610025903 CN101058085A (en) | 2006-04-21 | 2006-04-21 | Spiral mechanism for horizontal centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101058085A true CN101058085A (en) | 2007-10-24 |
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ID=38864478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610025903 Pending CN101058085A (en) | 2006-04-21 | 2006-04-21 | Spiral mechanism for horizontal centrifugal machine |
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| Country | Link |
|---|---|
| CN (1) | CN101058085A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147893B (en) * | 2007-10-31 | 2011-11-02 | 常州恒亮离心机制造有限公司 | Anti-block device for horizontal centrifugal machine feeding tube |
| CN103463822A (en) * | 2013-08-26 | 2013-12-25 | 云南文山铝业有限公司 | Feed pipe for self-evaporator in digestion system and self-evaporator with feed pipe |
| CN104525391A (en) * | 2014-12-31 | 2015-04-22 | 江苏华大离心机股份有限公司 | Horizontal centrifuge preventing feed from flowing backwards |
| CN104741250A (en) * | 2015-03-30 | 2015-07-01 | 绿水分离设备股份有限公司 | Horizontal spiral discharge sedimentary centrifuge and feeding pipe barrel thereof |
| CN105177639A (en) * | 2015-09-17 | 2015-12-23 | 江苏大学 | Centrifugal shot blasting electroforming manufacturing method and device |
| CN108212559A (en) * | 2016-11-30 | 2018-06-29 | 安德里特斯弗罗泰克有限责任公司 | Whizzer, particularly disk stacked separator |
| CN111420811A (en) * | 2020-04-26 | 2020-07-17 | 南京中船绿洲机器有限公司 | Spiral pusher mandrel structure of horizontal screw machine |
-
2006
- 2006-04-21 CN CN 200610025903 patent/CN101058085A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147893B (en) * | 2007-10-31 | 2011-11-02 | 常州恒亮离心机制造有限公司 | Anti-block device for horizontal centrifugal machine feeding tube |
| CN103463822A (en) * | 2013-08-26 | 2013-12-25 | 云南文山铝业有限公司 | Feed pipe for self-evaporator in digestion system and self-evaporator with feed pipe |
| CN103463822B (en) * | 2013-08-26 | 2015-11-18 | 云南文山铝业有限公司 | For flash-pot in digestion series feed pipe and there is its flash-pot |
| CN104525391A (en) * | 2014-12-31 | 2015-04-22 | 江苏华大离心机股份有限公司 | Horizontal centrifuge preventing feed from flowing backwards |
| CN104741250A (en) * | 2015-03-30 | 2015-07-01 | 绿水分离设备股份有限公司 | Horizontal spiral discharge sedimentary centrifuge and feeding pipe barrel thereof |
| CN104741250B (en) * | 2015-03-30 | 2017-06-27 | 绿水股份有限公司 | Horizontal screw discharge sedimentation centrifuge and its feed tube |
| CN105177639A (en) * | 2015-09-17 | 2015-12-23 | 江苏大学 | Centrifugal shot blasting electroforming manufacturing method and device |
| CN105177639B (en) * | 2015-09-17 | 2017-08-04 | 江苏大学 | Centrifugal shot peening electroforming manufacturing method and device |
| CN108212559A (en) * | 2016-11-30 | 2018-06-29 | 安德里特斯弗罗泰克有限责任公司 | Whizzer, particularly disk stacked separator |
| CN108212559B (en) * | 2016-11-30 | 2021-12-28 | 安德里特斯弗罗泰克有限责任公司 | Centrifugal separator, in particular disc stack separator |
| CN111420811A (en) * | 2020-04-26 | 2020-07-17 | 南京中船绿洲机器有限公司 | Spiral pusher mandrel structure of horizontal screw machine |
| CN111420811B (en) * | 2020-04-26 | 2024-12-10 | 南京中船绿洲机器有限公司 | A spiral pusher spindle structure for a horizontal screw machine |
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Open date: 20071024 |