CN209398581U - A kind of silicon carbide ceramics slag slurry pump under liquid - Google Patents

Abstract

The utility model belongs to wear-resisting conveying equipment technical field, in particular to a kind of silicon carbide ceramics slag slurry pump under liquid, it includes rear backplate, impeller, the pump housing, pump shaft, outlet tube, suction hose, mounting plate and bearing assembly, the impeller includes silicon carbide ceramics and the impeller framework that is set inside silicon carbide ceramics, the impeller framework is rotatablely connected by axle sleeve and pump shaft, the axle sleeve is equipped with stripping ring far from one end of impeller framework, the stripping ring is sheathed on pump shaft and is acted against on the connecting pin of impeller by axle sleeve, mounting and separating for impeller and axle sleeve can be fast implemented, protect the structure of impeller and pump shaft injury-free, flow passage uses full ceramic structure, service life is longer.

Description

A kind of silicon carbide ceramics slag slurry pump under liquid

Technical field

The utility model belongs to wear-resisting conveying equipment technical field, in particular to a kind of silicon carbide ceramics slag slurry pump under liquid.

Background technique

Currently, pumped (conveying) medium is rotated in flow passage components high speed for conveying the submerged pump for having a certain amount of solid particle, it is situated between Particle in matter rubs with overcurrent elements such as the pump housing, impellers when rotating at high speed, and flow passage components just will appear in a short time The case where being seriously worn, the service life of the serious curtailment pump housing and impeller influence the normal operation of pump.

Existing wear resistant submerged pump, impeller diameter is smaller, when conveying is containing solid particle medium, is gone out by reducing impeller Mouth line speed slows down granule medium to the erosion rate of flow passage components.Flow passage components use double Shell, contact with granule medium Inner shell use high hardness wear-resisting metal to improve its wearability.

Existing silicon carbide ceramics slag slurry pump under liquid has following insufficient:

1, the wear resistant submerged pump made of antifriction metal (AFM) is only suitable for conveying Jie of low concentration, light abrasion in conveying Matter, and the medium of high concentration, high abrasion cannot be conveyed, can not also convey not only has abrasion, but also has corrosive medium, Use scope is relatively narrow, is unable to satisfy the conveying requirement of certain operating conditions, service life is shorter, and overall cost is higher；

2, impeller is directly installed on pump shaft, and in long-time use process, impeller exists silicon carbide ceramics slag slurry pump under liquid It is constantly rotated under the drive of pump shaft, impeller can cause impeller and pump shaft to assemble excessively constantly to screwing at the connecting pin of pump shaft Closely, disassembly is difficult when impeller is replaced, or even can only could complete to dismantle by the structure that external force destroys pump shaft or impeller, wastes Resource.

Due to disadvantages described above, cause the production cost of enterprise and use cost high, the popularization for being unfavorable for product is answered With.

Utility model content

The utility model to solve the above-mentioned problems, provides a kind of silicon carbide ceramics slag slurry pump under liquid, can fast implement Impeller and axle sleeve mount and separate, and protect the structure of impeller and pump shaft injury-free, and flow passage uses full ceramic structure, use It lasts a long time.

The utility model is realized using following technical scheme:

A kind of silicon carbide ceramics slag slurry pump under liquid, including rear backplate, impeller, the pump housing, pump shaft, outlet tube, suction hose, installation Plate and bearing assembly, the impeller include silicon carbide ceramics and the impeller framework that is set inside silicon carbide ceramics, the impeller Skeleton is rotatablely connected by axle sleeve and pump shaft, and the axle sleeve is equipped with stripping ring, the disassembly ring set far from one end of impeller framework On the connecting pin for acting against impeller on pump shaft and through axle sleeve.

Preferably, air seal ring is equipped between the rear backplate and the pump housing.

Preferably, the pump housing includes ceramic member, pump housing lower skeleton, pump housing main framing and pump housing upper skeleton, the ceramics Part includes ceramic main body and the elbow set on ceramic main body water outlet, and the ceramic main body and elbow are integrally formed, the pump Body lower skeleton is embedded at the bottom of ceramic main body, and the pump housing main framing is embedded at the inside of ceramic main body, bone on the pump housing Frame is embedded at the top of elbow, several connecting holes, the pump housing lower skeleton, the pump housing are offered at the top of the pump housing upper skeleton Main framing is mutually not in contact with each other with pump housing upper skeleton.

Preferably, the connecting hole is for connecting outlet tube.

Preferably, the bottom of the pump housing lower skeleton is set there are three above large flange mounting hole, and the large flange is installed Hole is for connecting suction hose.

Preferably, three or more small flange mounting holes, the small flange are additionally provided on the inside of the large flange mounting hole Mounting hole is for connecting filter mantle.

It is further preferred that the filter mantle is made of high molecular material.

Preferably, affiliated impeller framework and pump housing main framing are all made of metal material and are made.

It is further preferred that the metal material is 45# steel or stainless steel.

The beneficial effects of the utility model are:

1, the flow passage of the impeller of the utility model and the pump housing uses metal/ceramic composite construction, is applicable not only to convey The medium of low concentration, low abrasion applies also for the medium of conveying high concentration, high abrasion and highly corrosive, can be various It is used under working condition, wearability is more than doubled compared to wear resistant submerged pump made of antifriction metal (AFM), and service life obtains Extend to great.

2, the utility model can prevent from that impeller and pump shaft is avoided to assemble too closely, side by setting impeller demolition ring Just impeller and axle sleeve mount and separate, and protect the structure of impeller and pump shaft injury-free, improve the using effect of equipment.

3, the ceramic member of the utility model is an integral molding structure, and structural integrity, intensity is higher, and service life is prolonged significantly It is long, and the pump housing upper skeleton by being set at ceramic member is connected with outlet pipe, it is ensured that the bonding strength of the two.

4, between the impeller and pump shaft of the utility model, gold is all made of between the pump housing and outlet tube, suction hose and filter mantle Belong to material to connect one by one, bonding strength is higher, and leakproofness is preferable, and the setting of filter mantle can filter out biggish particle, prevents Pump breaks down, and further increases service life.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the structural schematic diagram of the silicon carbide ceramics slag slurry pump under liquid of the utility model.

Fig. 2 is the cross-sectional view of the pump housing of the utility model.

Fig. 3 is a perspective view of the pump housing of the utility model.

Fig. 4 is another three-dimensional structure diagram of the pump housing of the utility model.

In figure, 1, rear backplate；2, impeller；21, silicon carbide ceramics；22, impeller framework；3, the pump housing；31, ceramic member；311, Ceramic main body；312, elbow；32, pump housing lower skeleton；321, large flange mounting hole；322, small flange mounting hole；33, the main bone of the pump housing Frame；34, pump housing upper skeleton；35, connecting hole；4, pump shaft；5, outlet tube；6, mounting plate；7, bearing assembly；8, axle sleeve；9, it dismantles Ring；10, air seal ring；11, filter mantle.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, the technical solution in embodiment is carried out it is clear, complete Ground description.Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts There are other embodiments, fall within the protection scope of the utility model.

As shown in Figure 1, a kind of silicon carbide ceramics slag slurry pump under liquid, including rear backplate 1, impeller 2, the pump housing 3, pump shaft 4, out liquid Pipe 5, suction hose, mounting plate 6 and bearing assembly 7, the impeller 2 include silicon carbide ceramics 21 and are set in silicon carbide ceramics 21 The impeller framework 22 in portion, the impeller framework 22 are rotatablely connected by axle sleeve 8 and pump shaft 4, and the axle sleeve 8 is far from impeller framework 22 one end is equipped with stripping ring 9, and the stripping ring 9 is sheathed on pump shaft 4 and is acted against on the connecting pin of impeller 2 by axle sleeve 8.

By the way that 2 stripping ring 9 of impeller is arranged, can prevent from avoiding impeller 2 and pump shaft 4 to assemble too closely, facilitate impeller 2 with Axle sleeve 8 mounts and separates, and protects the structure of impeller 2 and pump shaft 4 injury-free, improves the adaptation efficiency of equipment.

Preferably, it is equipped with air seal ring 10 between the rear backplate 1 and the pump housing 3, can prevent from pumping inside and outside pumped (conveying) medium Exchange, can prevent pumped (conveying) medium corrode metal material, further extend service life.

As shown in Figure 2, Figure 3, Figure 4, it is preferred that the pump housing 3 includes ceramic member 31, pump housing lower skeleton 32, the main bone of the pump housing Frame 33 and pump housing upper skeleton 34, the ceramic member 31 include ceramic main body 311 and the elbow set on 311 water outlet of ceramic main body 312, the ceramic main body 311 is integrally formed with elbow 312, and the pump housing lower skeleton 32 is embedded at the bottom of ceramic main body 311, The pump housing main framing 33 is embedded at the inside of ceramic main body 311, and the pump housing upper skeleton 34 is embedded at the top of elbow 312, The top of the pump housing upper skeleton 34 offers several connecting holes 35, the pump housing lower skeleton 32, pump housing main framing 33 and pump 34 phase of body upper skeleton is not in contact with each other, and silicon carbide ceramics 21 or other wear-resistant ceramics, the utility model can be used in the ceramic member 31 Ceramic member 31 be an integral molding structure, structural integrity, intensity is higher, and service life greatly prolongs, and by being set at pottery The pump housing upper skeleton 34 of porcelain piece 31 is connected with outlet pipe, it is ensured that the bonding strength of the two.

The impeller 2 of the utility model and the flow passage of the pump housing 3 use metal/ceramic composite construction, are applicable not only to The medium for conveying low concentration, low abrasion applies also for the medium of conveying high concentration, high abrasion and highly corrosive, Neng Gou It is used under various working conditions, wearability is more than doubled compared to wear resistant submerged pump made of antifriction metal (AFM), uses the longevity Life is greatly extended.

Preferably, the connecting hole 35 is for connecting outlet tube 5.

Preferably, the bottom of the pump housing lower skeleton 32 is set there are three above large flange mounting hole 321, the large flange Mounting hole 321 is for connecting suction hose, and the length of tube that absorbs water is at 1 meter or more, inside a preferred embodiment, the length of suction hose Degree reaches 1.8m, and large flange mounting hole 321 is spaced farther out, and aperture is larger, can increase the bonding strength with suction hose, guarantees just It is often used.

Preferably, the inside of the large flange mounting hole 321 is additionally provided with three or more small flange mounting holes 322, described Small flange mounting hole 322 is for connecting filter mantle 11, it is further preferred that filter mantle 11 can use metal material or macromolecule Material is made, and the high molecular material refers to rubber, plastic or other material, can since the bonding strength demand of filter mantle 11 is lower To select suitable material on demand.

Preferably, affiliated impeller framework 22 and pump housing main framing 33 are all made of metal material and are made.

It is further preferred that the metal material is 45# steel or stainless steel.45# steel has preferable wear-corrosion resistance, no The steel that becomes rusty has preferable corrosion resistance, selects according to the usage requirement, other metal materials also may be selected.

The top of pump housing main framing 33 can offer mounting hole.

Between impeller 2 and pump shaft 4, be all made of between the pump housing 3 and outlet tube 5, suction hose and filter mantle 11 metal material by A connection, bonding strength is higher, and leakproofness is preferable, and the setting of filter mantle 11 can filter out biggish particle, prevents pump from occurring Failure further increases service life.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.To the upper of the disclosed embodiments It states bright, can be realized professional and technical personnel in the field or using the utility model.Various modifications to these embodiments pair It will be apparent for those skilled in the art, the general principles defined herein can not depart from this reality In the case where with novel spirit or scope, realize in other embodiments.Therefore, the utility model is not intended to be limited to this These embodiments shown in text, and it is to fit to the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. a kind of silicon carbide ceramics slag slurry pump under liquid, including rear backplate (1), impeller (2), the pump housing (3), pump shaft (4), outlet tube (5), suction hose, mounting plate (6) and bearing assembly (7), it is characterised in that: the impeller (2) include silicon carbide ceramics (21) and It is set at the internal impeller framework (22) of silicon carbide ceramics (21), the impeller framework (22) is turned by axle sleeve (8) and pump shaft (4) Dynamic connection, the axle sleeve (8) are equipped with stripping ring (9) far from the one end of impeller framework (22), and the stripping ring (9) is sheathed on pump shaft (4) it is acted against on the connecting pin of impeller (2) on and by axle sleeve (8).

2. silicon carbide ceramics slag slurry pump under liquid according to claim 1, it is characterised in that: the rear backplate (1) and the pump housing (3) air seal ring (10) are equipped between.

3. silicon carbide ceramics slag slurry pump under liquid according to claim 1, it is characterised in that: the pump housing (3) includes ceramics Part (31), pump housing lower skeleton (32), pump housing main framing (33) and pump housing upper skeleton (34), the ceramic member (31) include that ceramics are main Body (311) and the elbow (312) for being set to ceramic main body (311) water outlet, the ceramic main body (311) and elbow (312) one Body formed, the pump housing lower skeleton (32) is embedded at the bottom of ceramic main body (311), and the pump housing main framing (33) is embedded at pottery The inside of porcelain main body (311), the pump housing upper skeleton (34) are embedded at the top of elbow (312), the pump housing upper skeleton (34) Top offer several connecting holes (35), the pump housing lower skeleton (32), pump housing main framing (33) and pump housing upper skeleton (34) it is mutually not in contact with each other.

4. silicon carbide ceramics slag slurry pump under liquid according to claim 3, it is characterised in that: the connecting hole (35) is for connecting Pick out liquid pipe (5).

5. silicon carbide ceramics slag slurry pump under liquid according to claim 3, it is characterised in that: the pump housing lower skeleton (32) Bottom is set there are three above large flange mounting hole (321), and the large flange mounting hole (321) is used to connect suction hose.

6. silicon carbide ceramics slag slurry pump under liquid according to claim 5, it is characterised in that: the large flange mounting hole (321) three or more small flange mounting holes (322) are additionally provided on the inside of, the small flange mounting hole (322) was for connecting Filter bowl (11).

7. silicon carbide ceramics slag slurry pump under liquid according to claim 6, it is characterised in that: the filter mantle (11) is using high Molecular material is made.

8. silicon carbide ceramics slag slurry pump under liquid according to claim 3, it is characterised in that: affiliated impeller framework (22) and pump Body main framing (33) is all made of metal material and is made.

9. silicon carbide ceramics slag slurry pump under liquid according to claim 8, it is characterised in that: the metal material is 45# steel Or stainless steel.