CN102861677A - High-intensity wear-resistant and corrosion-resistant spiral discharging sedimentation centrifuge and manufacturing process therefore - Google Patents
High-intensity wear-resistant and corrosion-resistant spiral discharging sedimentation centrifuge and manufacturing process therefore Download PDFInfo
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- CN102861677A CN102861677A CN2012103550413A CN201210355041A CN102861677A CN 102861677 A CN102861677 A CN 102861677A CN 2012103550413 A CN2012103550413 A CN 2012103550413A CN 201210355041 A CN201210355041 A CN 201210355041A CN 102861677 A CN102861677 A CN 102861677A
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Abstract
The invention relates to a high-intensity wear-resistant and corrosion-resistant spiral discharging sedimentation centrifuge, which comprises a base; a cover piece, a rotary drum, an auger conveyor, a distribution bin, pushing blades, a belt cover, a differential mechanism, a motor transmission device, a secondary motor, a feeding pipe, a liquid phase discharging flange and a solid phase discharging flange are arranged on the base; the feeding pipe comprises a support and a pipe body; the pipe body is inlaid in an installing hole of the support and is welded with the support to form a whole; and an inner wall of the installing hole of the support, an inner wall of the pipe body, the auger conveyor, the distribution bin, the pushing blades, and an inner wall of the rotary drum are all covered by boronizing layers being subjected to solid boronizing. At the same time, the invention provides a manufacturing process of the high-intensity wear-resistant and corrosion-resistant spiral discharging sedimentation centrifuge. The high-intensity wear-resistant and corrosion-resistant spiral discharging sedimentation centrifuge provided by the invention has the characteristics of good wear resistance, better corrosion resistance, long service life, good stability and reliability, and the like.
Description
Technical field
The present invention relates to a kind of spiral discharge sedimentation centrifuge, particularly the anti-corrosion spiral discharge sedimentation centrifuge of a kind of high-strength abrasion-proof and the method for making the anti-corrosion spiral discharge sedimentation centrifuge of this high-strength abrasion-proof.
Background technology
Promote and practice through publicity in recent years, solid-liquid separating equipment of new generation---the spiral discharge sedimentation centrifuge as coming out after vacuum press filter, plate and frame filter press, the belt filter press progressively enters Environmental Protection in China and production field.It takes up an area less, automatic operating, good separating effect, cleans the favor that production, unique advantage that cost performance is high more and more are subject to users with it.
Spiral discharge sedimentation centrifuge is by its supporting way, is divided into horizontally and vertical, then is divided into parallel type and reverse-flow two kinds by the type of flow of material in rotary drum.(see accompanying drawing 1) as an example of the parallel type horizontal spiral discharge sedimentation centrifuge example, its operation principle is: material (suspension) is by feed pipe, and the distribution cabins through spiral inside enters rotary drum, and rotary drum and spiral are according to certain poor rotating speed rotating Vortex; Under the powerful centrifugal action that High Rotation Speed produces, the solid phase particles that density is larger in the suspension is deposited on the inwall of rotary drum, forms outer circular layer, and the light liquid that density is less then forms inner circular layer; On-stream spiral constantly scrapes and pushes to rotary drum cone end with solid phase from drum inner wall, then discharges body by the solid slag outlet of discharge end, and liquid phase then flows to the rotary drum styletable and overflows through overfall, thereby has realized Solid-Liquid Separation.
Be not difficult to find out by accompanying drawing 1 and above explanation:
1, whether good the material of centrifuge is, configuration rationally whether, the structure ﹠processes advanced person whether be determine centrifuge separating effect and service life length key factor.
2, not only can affect the range of application of centrifuge with wear-resistant, the corrosion resistance of material contact site, more can determine the service life of centrifuge.
The present situation of present domestic spiral discharge sedimentation centrifuge production is: the critical piece-feed pipe that contacts with material, rotary drum, spiral adopts 304.321 stainless steels to make (also carbon steel and two phase stainless steel are adopted in good grounds user's specific (special) requirements) mostly, but its rotary drum mostly is welded tube and makes, and indivedual producers then adopt centrifugal cast.The former (welded tube) drawback is more, though the latter increases at bulk strength, the defective that might produce in the casting process can stay hidden danger to machine.
1, for saving cost of manufacture, a lot of medium and small centrifuge manufacturing enterprise adopts the light-duty imported bearing of domestic bearing or relative low price, support then uses general steel plate or shaped steel welding, and large small end (main shaft) also is weldment processing, and differential mechanism is then take the cycloid differential mechanism as main.
2, for prolonging the service life of horizontal screw machine, solve the wear resistant corrosion resistant problem of centrifuge, a lot of producers think hard.Main way is; For the large separate object of solid Density coated with hard alloy (wc, w2c) or ceramic embedded on some parts, ceramic jacket.Be to increase the decay resistance of equipment, that the manufacturer takes or improving the base material class as main, as adopt 316 stainless steels or two phase stainless steel.But consequently; Device fabrication cost and burden for users obviously strengthen, but equipment wear resistant corrosion resistant ability and element resistance to brittle fracture can be also not fully up to expectations.
Therefore, how can be under the prerequisite that increases not significantly centrifuge production cost and burden for users, wear-resistant, the decay resistance of Effective Raise spiral discharge sedimentation centrifuge have been to work as forward swing in us scientific research personnel and manufacturing enterprise's important topic in front.
Summary of the invention
The objective of the invention is to overcome the defective that prior art exists, the anti-corrosion spiral discharge sedimentation centrifuge of long, the reliable and stable high-strength abrasion-proof of a kind of wear-resistant, good corrosion resistance, life-span and the process of making this spiral discharge sedimentation centrifuge are provided.
The technical scheme that realizes the object of the invention is: the spiral discharge sedimentation centrifuge that a kind of high-strength abrasion-proof is anti-corrosion, comprise support, described support is provided with case, rotary drum, auger conveyor, distribution cabins, pusher blade, belt housing, differential mechanism, transmission gear for electric motor, auxiliary motor, feed pipe, liquid phase discharging flange and solid phase discharging flange; Described case covers on the rotary drum; Described rotary drum rotates and is arranged on the support, rotates in the rotary drum and is provided with auger conveyor, and the two ends of rotary drum are equipped with base bearing; Welding is provided with pusher blade on the described auger conveyor, and the right-hand member end of auger conveyor is provided with screw bearing, has distribution cabins in the mandrel of auger conveyor; Described belt housing covers on the differential mechanism and transmission gear for electric motor that is set in turn in the rotary drum right side; Described auxiliary motor is fixedly installed on the right-hand member of support; Described feed pipe is arranged at the left end of auger conveyor, and with the mandrel UNICOM of auger conveyor; Described liquid phase discharging flange and solid phase discharging flange are separately positioned on the two ends, the left and right sides of rotary drum below; Has the hollow sealing chamber of filling up clean sand on the described support; Described feed pipe comprises support and body; Described body is embedded in the installing hole of support, and body and support welding are integral; The inwall of described support installing hole, inboard wall of tube body, auger conveyor, distribution cabins, pusher blade and drum inner wall all are covered with the boride layer of processing by pack boriding.
The described pusher blade of technique scheme on auger conveyor, is laid with the wear rib that is complementary with the pusher blade radian by the cold drawing molding laser weld on the outer rim of pusher blade; Be covered with the boride layer of processing by pack boriding on the described wear rib.
The two ends of technique scheme described liquid phase discharging flange and solid phase discharging flange all are laid with wear ring and wear-resistant sleeve; All be covered with the boride layer of processing by pack boriding on the inwall of described wear ring and wear-resistant sleeve.
Technique scheme also comprises damper; Described damper is the rubber goalpost, and damper has four at least, and symmetry is fixed on the support below.
The described differential mechanism of technique scheme is satellite differential.
The large and small end cap of technique scheme described solid phase discharging flange and rotary drum all adopts stainless steel forgings processing one-body molded.
The base material of the described feed pipe of technique scheme, rotary drum and auger conveyor is formula body stainless steel difficult to understand.
The described rotary drum of technique scheme adopts stainless-steel seamless pipe to process.
The manufacturing process of the spiral discharge sedimentation centrifuge that a kind of high-strength abrasion-proof is anti-corrosion, concrete steps are as follows:
A, each workpiece is forged in processing on request;
B, feed pipe, auger conveyor, distribution cabins, pusher blade, drum inner wall, wear rib, wear ring and wear-resistant sleeve are carried out preliminary treatment;
C, boriding medium or boronising cream are coated with or are sprayed on the surface of the work that needs boronising, then dry vanning;
D, the workpiece after will casing are put into hot Installed stove and are heated to 850～950 ℃, and carry out insulation in 5～6 hours;
E, the temperature in Re Installed stove are down to below 500 ℃ and are come out of the stove;
F, each workpiece is assembled into one.
Preliminary treatment among the described step B of technique scheme comprises:
A, needing precoating rare earth coating on the surface of the work of boronising;
B, the workpiece that needs boronising is carried out anti-deformation process;
C, removing need greasy dirt and the rust staining of the surface of the work of boronising.
After adopting technique scheme, the present invention has following positive effect:
(1) material pipe of the present invention comprises support and body; Body is embedded in the installing hole of support, and body and support welding are integral; The inwall of support installing hole, inboard wall of tube body, auger conveyor, distribution cabins, pusher blade and drum inner wall all are covered with the boride layer of processing by pack boriding; Can increase these surface of the work hardness and acid-alkali-resistant degrees, greatly improve the wear resistance and corrosion resistance that contacts workpiece with material.
(2) pusher blade of the present invention passes through the cold drawing molding laser weld on auger conveyor; So that the intensity of pusher blade is large, quality is good; Be laid with the wear rib that is complementary with the pusher blade radian on the outer rim of pusher blade; The base material of wear rib is Nitinol, is covered with the boride layer of processing by pack boriding on the wear rib; The two ends of liquid phase discharging flange and solid phase discharging flange all are laid with wear ring and wear-resistant sleeve; All be covered with the boride layer of processing by pack boriding on the inwall of wear ring and wear-resistant sleeve; Make main wear point all be subject to duplicate protection, both improved the wearability of main wear parts, improved again the corrosion resistance in the acid or alkali environment, the replacing of equipment component when being convenient to keep in repair simultaneously.
(3) the present invention also comprises damper; Damper is the rubber goalpost, and damper has four at least, and symmetry is fixed on the support below; Damper can guarantee that support is sound and reliable.
(4) differential mechanism of the present invention is satellite differential; The bearing capacity of satellite differential is large, precision is high, moment of torsion is large, and transmission efficiency is high.
(5) feed pipe of the present invention, rotary drum, auger conveyor is all take high-quality formula body stainless steel difficult to understand (321 or 316) as base material, rotary drum is that stainless-steel seamless pipe is made, the large and small end cap of rotary drum and solid phase discharging flange are processed by whole stainless steel forgings, as support, make complete machine intensity larger with the high strength rectangle steel, stability is better, has so fundamentally stopped the hidden danger that welded tube and cast flaw may bring.
Description of drawings
Content of the present invention is easier to be expressly understood in order to make, and the below is according to specific embodiment and by reference to the accompanying drawings, and the present invention is further detailed explanation, wherein
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of pusher blade of the present invention;
Fig. 3 is the structural representation of discharging flange of the present invention;
Fig. 4 is the structural representation of feed pipe of the present invention;
1. supports among the figure, 2. case, 3. rotary drum, 4. auger conveyor, 5. distribution cabins, 6. pusher blade, 6-1. wear rib, 7. belt housing, 8. differential mechanism, 9. transmission gear for electric motor, 10. auxiliary motor, 11. feed pipes, 11-1. support, 11-2. body, 12. liquid phase discharging flanges, 13. solid phase discharging flanges, 14. wear ring, 15. wear-resistant sleeves, 16. dampers.
The specific embodiment
(embodiment 1, the spiral discharge sedimentation centrifuge that a kind of high-strength abrasion-proof is anti-corrosion)
See Fig. 1 to Fig. 4, comprise support 1, support 1 is provided with case 2, rotary drum 3, auger conveyor 4, distribution cabins 5, pusher blade 6, belt housing 7, differential mechanism 8, transmission gear for electric motor 9, auxiliary motor 10, feed pipe 11, liquid phase discharging flange 12, solid phase discharging flange 13 and damper 16; Case 2 covers on the rotary drum 3; Rotary drum 3 adopts stainless-steel seamless pipe to process, and rotary drum 3 rotates and is arranged on the support 1, rotates in the rotary drum 3 and is provided with auger conveyor 4, and the two ends of rotary drum 3 are equipped with base bearing; The right-hand member end of auger conveyor 4 is provided with screw bearing, has distribution cabins 5 in the mandrel of auger conveyor 4; Pusher blade 6 on auger conveyor 4, is laid with the wear rib 6-1 that is complementary with pusher blade 6 radians by the cold drawing molding laser weld on the outer rim of pusher blade 6; The base material of wear rib 6-1 is Nitinol, is covered with the boride layer of processing by pack boriding on the wear rib 6-1.Belt housing 7 covers on the differential mechanism 8 and transmission gear for electric motor 9 that is set in turn in rotary drum 3 right sides; Differential mechanism 8 is satellite differential.Auxiliary motor 10 is fixedly installed on the right-hand member of support 1; Feed pipe 11 is arranged at the left end of auger conveyor 4, and with the mandrel UNICOM of auger conveyor 4; Liquid phase discharging flange 12 and solid phase discharging flange 13 are separately positioned on the two ends, the left and right sides of rotary drum 3 belows; The two ends of liquid phase discharging flange 12 and solid phase discharging flange 13 all are laid with wear ring 14 and wear-resistant sleeve 15; All be covered with the boride layer of processing by pack boriding on the inwall of wear ring 14 and wear-resistant sleeve 15.Has the hollow sealing chamber of filling up clean sand on the support 1; Feed pipe 11 comprises support 11-1 and body 11-2; Body 11-2 is embedded in the installing hole of support 11-1, and body 11-2 and support 11-1 are integrally welded; The inwall of support 11-1 installing hole, body 11-2 inwall, auger conveyor 4, distribution cabins 5, pusher blade 6 and rotary drum 3 inwalls all are covered with the boride layer of processing by pack boriding.Damper 16 is the rubber goalpost, and damper 16 has four at least, and symmetry is fixed on support 1 below.
Wherein, it is one-body molded that the large and small end cap of solid phase discharging flange 13 and rotary drum 3 all adopts stainless steel forgings processing.The base material of feed pipe 11, rotary drum 3 and auger conveyor 4 is formula body stainless steel difficult to understand.
(embodiment 2, the manufacturing process of the spiral discharge sedimentation centrifuge that a kind of high-strength abrasion-proof is anti-corrosion)
Concrete steps of the present invention are as follows:
A, each workpiece is forged in processing on request;
B, feed pipe 11, auger conveyor 4, distribution cabins 5, pusher blade 6, rotary drum 3 inwalls, wear rib 6-1, wear ring 14 and wear-resistant sleeve 15 are carried out preliminary treatment; Preliminary treatment comprises:
A, needing precoating rare earth coating on the surface of the work of boronising;
B, the workpiece that needs boronising is carried out anti-deformation process;
C, removing need greasy dirt and the rust staining of the surface of the work of boronising.
C, boriding medium or boronising cream are coated with or are sprayed on the surface of the work that needs boronising, then dry vanning;
D, the workpiece after will casing are put into hot Installed stove and are heated to 850～950 ℃, and carry out insulation in 5～6 hours;
E, the temperature in Re Installed stove are down to below 500 ℃ and are come out of the stove;
F, each workpiece is assembled into one.
Proved by section sample physical and chemical testing: the case hardness of boronising part can reach 1500～2000HV. parts surface dense structure, and the boron layer thickness is even; The wearability of workpiece is than carbon steel carburizing, the quenching part Senior Three doubly, double than diamondite above; Because rare earth, titanium makes the wearability of parts surface to the modifying function of boronising part, and corrosion resistance and resistance to brittle fracture improve greatly.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. spiral discharge sedimentation centrifuge that high-strength abrasion-proof is anti-corrosion, comprise support (1), described support (1) is provided with case (2), rotary drum (3), auger conveyor (4), distribution cabins (5), pusher blade (6), belt housing (7), differential mechanism (8), transmission gear for electric motor (9), auxiliary motor (10), feed pipe (11), liquid phase discharging flange (12) and solid phase discharging flange (13); Described case (2) covers on the rotary drum (3); Described rotary drum (3) rotates and is arranged on the support (1), rotates in the rotary drum (3) and is provided with auger conveyor (4), and the two ends of rotary drum (3) are equipped with base bearing; The upper welding of described auger conveyor (4) is provided with pusher blade (6), and the right-hand member end of auger conveyor (4) is provided with screw bearing, has distribution cabins (5) in the mandrel of auger conveyor (4); Described belt housing (7) covers on the differential mechanism (8) and transmission gear for electric motor (9) that is set in turn in rotary drum (3) right side; Described auxiliary motor (10) is fixedly installed on the right-hand member of support (1); Described feed pipe (11) is arranged at the left end of auger conveyor (4), and with the mandrel UNICOM of auger conveyor (4); Described liquid phase discharging flange (12) and solid phase discharging flange (13) are separately positioned on the two ends, the left and right sides of rotary drum (3) below; It is characterized in that: have the hollow sealing chamber of filling up clean sand on the described support (1); Described feed pipe (11) comprises support (11-1) and body (11-2); Described body (11-2) is embedded in the installing hole of support (11-1), and body (11-2) is integrally welded with support (11-1); The inwall of described support (11-1) installing hole, body (11-2) inwall, auger conveyor (4), distribution cabins (5), pusher blade (6) and rotary drum (3) inwall all are covered with the boride layer of processing by pack boriding.
2. the anti-corrosion spiral discharge sedimentation centrifuge of high-strength abrasion-proof according to claim 1, it is characterized in that: described pusher blade (6) on auger conveyor (4), is laid with the wear rib (6-1) that is complementary with pusher blade (6) radian by the cold drawing molding laser weld on the outer rim of pusher blade (6); The base material of described wear rib (6-1) is Nitinol, is covered with the first boride layer of processing by pack boriding on the wear rib (6-1).
3. the anti-corrosion spiral discharge sedimentation centrifuge of high-strength abrasion-proof according to claim 2, it is characterized in that: the two ends of described liquid phase discharging flange (12) and solid phase discharging flange (13) all are laid with wear ring (14) and wear-resistant sleeve (15); All be covered with the second boride layer of processing by pack boriding on the inwall of described wear ring (14) and wear-resistant sleeve (15).
4. the anti-corrosion spiral discharge sedimentation centrifuge of high-strength abrasion-proof according to claim 3 is characterized in that: also comprise damper (16); Described damper (16) is the rubber goalpost, and damper (16) has four at least, and symmetry is fixed on support (1) below.
5. the anti-corrosion spiral discharge sedimentation centrifuge of high-strength abrasion-proof according to claim 4, it is characterized in that: described differential mechanism (8) is satellite differential.
6. the anti-corrosion spiral discharge sedimentation centrifuge of high-strength abrasion-proof according to claim 5 is characterized in that: the large and small end cap of described solid phase discharging flange (13) and rotary drum (3) all adopts stainless steel forgings processing one-body molded.
7. according to claim 5 or the anti-corrosion spiral discharge sedimentation centrifuge of 6 described high-strength abrasion-proofs, it is characterized in that: the base material of described feed pipe (11), rotary drum (3) and auger conveyor (4) is formula body stainless steel difficult to understand.
8. the anti-corrosion spiral discharge sedimentation centrifuge of high-strength abrasion-proof according to claim 7 is characterized in that: described rotary drum (3) adopts stainless-steel seamless pipe to process.
9. the manufacturing process of the anti-corrosion spiral discharge sedimentation centrifuge of a high-strength abrasion-proof, concrete steps are as follows:
A, each workpiece is forged in processing on request;
B, feed pipe (11), auger conveyor (4), distribution cabins (5), pusher blade (6), rotary drum (3) inwall, wear rib (6-1), wear ring (14) and wear-resistant sleeve (15) are carried out preliminary treatment;
C, boriding medium or boronising cream are coated with or are sprayed on the surface of the work that needs boronising, then dry vanning;
D, the workpiece after will casing are put into hot Installed stove and are heated to 850～950 ℃, and carry out insulation in 5～6 hours;
E, the temperature in Re Installed stove are down to below 500 ℃ and are come out of the stove;
F, each workpiece is assembled into one.
10. the manufacturing process of the anti-corrosion spiral discharge sedimentation centrifuge of high-strength abrasion-proof according to claim 9, it is characterized in that: the preliminary treatment among the described step B comprises:
A, needing precoating rare earth coating on the surface of the work of boronising;
B, the workpiece that needs boronising is carried out anti-deformation process;
C, removing need greasy dirt and the rust staining of the surface of the work of boronising.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311491A (en) * | 2016-08-20 | 2017-01-11 | 蒋安美 | Flow-like mixture sorting machine |
| CN106669987A (en) * | 2016-11-30 | 2017-05-17 | 济南汇川硅溶胶厂 | Horizontal spiral sedimentation centrifuge |
| CN107282316A (en) * | 2017-04-14 | 2017-10-24 | 济南大学 | A kind of application graphene ceramic structure and vibration damping increase the horizontal screw centrifuge of steady structure |
| CN113751975A (en) * | 2021-09-02 | 2021-12-07 | 上海龙炽机械设备有限公司 | Processing technology of horizontal centrifuge spiral |
| CN115646667A (en) * | 2022-11-03 | 2023-01-31 | 宜兴市华鼎机械有限公司 | Two-phase totally-enclosed explosion-proof horizontal centrifuge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311491A (en) * | 2016-08-20 | 2017-01-11 | 蒋安美 | Flow-like mixture sorting machine |
| CN106669987A (en) * | 2016-11-30 | 2017-05-17 | 济南汇川硅溶胶厂 | Horizontal spiral sedimentation centrifuge |
| CN107282316A (en) * | 2017-04-14 | 2017-10-24 | 济南大学 | A kind of application graphene ceramic structure and vibration damping increase the horizontal screw centrifuge of steady structure |
| CN113751975A (en) * | 2021-09-02 | 2021-12-07 | 上海龙炽机械设备有限公司 | Processing technology of horizontal centrifuge spiral |
| CN115646667A (en) * | 2022-11-03 | 2023-01-31 | 宜兴市华鼎机械有限公司 | Two-phase totally-enclosed explosion-proof horizontal centrifuge |
| CN115646667B (en) * | 2022-11-03 | 2023-10-27 | 宜兴市华鼎机械有限公司 | Two-phase fully-closed explosion-proof horizontal centrifuge |
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Application publication date: 20130109 |