CN208605361U - A kind of coke delivery pump - Google Patents

Abstract

The application discloses a kind of coke delivery pump, comprising: pump case；The impeller being set in the pump case；The blade being set on the impeller；The flow channel space for passing through for coke is formed between the adjacent blade；The sheath for being set in the pump case, and being bonded with the pump housing endophragm；The passage gaps passed through for coke are formed between the cut water of the sheath and the impeller outer edge.Coke delivery pump provided by the present application, compared with prior art, it can be realized coke to flow smoothly during transportation, improve the conevying efficiency of coke, improve production operation efficiency, coke, which smoothly circulates, can reduce the erosive wear generated to the pump housing, to guarantee that equipment has longer service life, extend the service life of coke delivery pump.

Description

A kind of coke delivery pump

Technical field

This application involves petrochemical industry materials-handling technology fields, more specifically more particularly to a kind of coke delivery pump.

Background technique

Petrochemical industry is the pillar industry in China, is mainly processed to crude oil, natural gas, sale.In petrochemical industry In coking tower coke disposal technical process, need to convey the coke that corrosivity is strong, particle is big.

However, in the prior art widely used Pulp pump conveying coke when, since coke granule is big, the passability of coke Bad, continuous-stable transportation performance is not strong, and material conveying is discontinuous, and transfer efficiency cannot reach maximization, meanwhile, because in coke Containing more biggish solid particle, the fluid containing solid particle can generate erosive wear to Pulp pump during transportation, at For the short main reason of flow passage part service life, the coke conveyed in addition has compared with strong corrosive, more significantly shortens Its service life.

Therefore it provides a kind of coke delivery pump, can be realized coke and flow smoothly, the conevying efficiency of coke is improved, is mentioned High production operation efficiency；Mitigate the erosive wear in coke conveying to the pump housing, extends the service life of equipment, have become ability Field technique personnel technical problem urgently to be resolved.

Utility model content

In order to solve the above technical problems, the application provides a kind of coke delivery pump, coke can be realized in transmission process In flow smoothly, improve the conevying efficiency of coke, improve production operation efficiency；Mitigate in coke conveying and mill is washed away to the pump housing Damage, extends the service life of equipment.

Technical solution provided by the present application is as follows:

A kind of coke delivery pump, comprising: pump case；The impeller being set in the pump case；The leaf being set on the impeller Piece；The flow channel space for passing through for coke is formed between the adjacent blade；Be set in the pump case, and with it is described The sheath of pump housing endophragm fitting；It is formed between the cut water of the sheath and the impeller outer edge between the circulation passed through for coke Gap.

Further, in a kind of preferred mode of the utility model, the pump case is split type pump case, including first shell Body and second shell, first shell and second shell are detachably connected；The sheath is fitted closely in the first shell, described Second shell inner wall.

Further, in a kind of preferred mode of the utility model, the sheath is specially MC nylon sheath wire or poly- ammonia Ester sheath.

Further, in a kind of preferred mode of the utility model, blade is provided on impeller, blade quantity is 2~4 It is a.

Further, in a kind of preferred mode of the utility model, blade quantity is specially 3.

Further, in a kind of preferred mode of the utility model, the molded line of blade is diagonal helix.

Further, in a kind of preferred mode of the utility model, the pattern of impeller is specially double shrouded wheel.

Further, in a kind of preferred mode of the utility model, flow channel space can pass through 200mm to 280mm lumpiness Coke.

Further, in a kind of preferred mode of the utility model, flow channel space can specifically pass through 260mm lumpiness Coke can greatly reduce conveying material in the runner of pump because that the blocking action of runner, can improve pump caused by bridging phenomenon Percent of pass, improve pump to the adaptability of solid content, reduce material resistance, improve transfer efficiency.

Further, in a kind of preferred mode of the utility model, passage gaps can pass through 70mm~100mm lumpiness Coke.

Further, in a kind of preferred mode of the utility model, passage gaps can specifically pass through the coke of 90mm lumpiness Charcoal.

Further, in a kind of preferred mode of the utility model, the molded line of pump case is specially similar spiral shape, blade and Pump case, which is matched, is combined into similar spiral shape pumping chamber, it is ensured that coke delivery pump has high transfer efficiency.

Further, in a kind of preferred mode of the utility model, pump case is specially split type pump case.

Further, in a kind of preferred mode of the utility model, the material of sheath is specially polyurethane.

Further, in a kind of preferred mode of the utility model, sheath is connect by buckle structure with pump case.

Coke delivery pump provided by the utility model specifically includes compared with prior art: pump case, is provided in pump case Impeller is equipped with blade on impeller, and is formed with the flow channel space for passing through for coke, pump case between the adjacent blade It is inside additionally provided with the sheath being bonded with the pump housing endophragm, is formed with the stream passed through for coke between the cut water and impeller outer edge of sheath Logical gap.In this way, compared to existing technologies, coke delivery pump provided by the utility model can be realized coke and convey It is flowed smoothly in journey, improves the conevying efficiency of coke, improve production operation efficiency, coke smoothly circulates to reduce and produce to the pump housing Raw erosive wear extends the service life of coke delivery pump to guarantee that equipment has longer service life.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is coke delivery pump side view perspective view of the explosion provided by the embodiment of the utility model；

Fig. 2 is the schematic diagram of impeller provided by the embodiment of the utility model；

Fig. 3 is the schematic diagram of sheath provided by the embodiment of the utility model.

Specific embodiment

In order to make those skilled in the art more fully understand the technical solution in the application, below in conjunction with the application reality The technical scheme in the embodiment of the application is clearly and completely described for the attached drawing for applying in example, it is clear that described embodiment Only a part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the model of the application protection It encloses.

Please be as shown in Figure 1 to Figure 3, the embodiment of the present application provides a kind of coke delivery pump, comprising: pump case 2；It is set to described Impeller 1 in pump case 2；The blade 4 being set on the impeller 1；It is formed between the adjacent blade 4 for logical for coke The flow channel space 6 crossed；The sheath 3 for being set in the pump case 2, and being bonded with 2 inner wall of pump case；The cut water 5 of the sheath 3 The passage gaps 7 passed through for coke are formed between 1 outer rim of impeller.

Coke delivery pump provided by the embodiment of the utility model specifically includes compared with prior art: pump case 2, pump case 2 It is inside provided with impeller 1, blade 4 is installed on impeller 1, and is formed with the stream for passing through for coke between the adjacent blade Road space 6 is additionally provided with the sheath 3 being bonded with 2 inner wall of pump case, shape between 1 outer rim of cut water 5 and impeller of sheath 3 in pump case 2 At there is the passage gaps 7 passed through for coke.In this way, compared to existing technologies, coke delivery pump provided by the utility model It can be realized coke to flow smoothly, improve the conevying efficiency of coke, improve production operation efficiency, coke smoothly circulates and can reduce To the erosive wear that the pump housing generates, to guarantee that equipment has longer service life, extend the service life of coke delivery pump.

Specifically, in the utility model embodiment, pump case 2 is split type pump case, including first shell and second shell, First shell and second shell are detachably connected；The sheath 3 is fitted closely in the first shell, the second shell Wall.

Specifically, in the utility model embodiment, blade 4 is provided on impeller 1,4 quantity of blade is 2~4.

More specifically, the quantity of blade 4 is specially 3 in the utility model embodiment.

Specifically, in the utility model embodiment, the molded line of blade 4 is diagonal helix.

Specifically, in the utility model embodiment, 1 body of impeller is double shrouded wheel.

Specifically, in the utility model embodiment, flow channel space 6 can pass through 200mm to the coke of 280mm lumpiness.

Specifically, in the utility model embodiment, flow channel space 6 specifically can be by the coke of 260mm lumpiness, can be significantly Conveying material is reduced in the runner of pump because that the blocking action of runner, the percent of pass pumped can be improved, mentioned caused by bridging phenomenon Height pump reduces material resistance to the adaptability of solid content, improves transfer efficiency.

Specifically, in the utility model embodiment, passage gaps 7 can pass through 70mm to the coke of 100mm lumpiness.

It is coarse if the spacing setting between 1 outer diameter of the cut water 5 of sheath 3 and impeller is smaller for coke delivery pump Coke granule can result in blockage at pumping chamber cut water 5, cause to be seriously worn, and impeller 1 or cut water 5 can be even broken when serious.

Specifically, in the utility model embodiment, passage gaps 7 can specifically pass through the coke of 90mm lumpiness.

Specifically, in the utility model embodiment, the molded line of pump case 2 is specially similar spiral shape, and blade 4 and pump case 2 are matched It is combined into similar spiral shape pumping chamber, it is ensured that coke delivery pump has high transfer efficiency.

Specifically, in the utility model embodiment, the material of sheath 3 is specially polyurethane jacket.

Specifically, in the utility model embodiment, the material of sheath 3 is specially MC nylon sheath wire.

Specifically, in the utility model embodiment, sheath 3 is connect by buckle structure with pump case 2.

It further illustrates, in the utility model embodiment, coke delivery pump is centrifugal pump, including impeller 1 and pump case 2,3 blades 4 are specifically provided on impeller 1, blade 4 is all made of the plain vane that molded line is diagonal helix, impeller type For double shrouded wheel, the runner that impeller 1 is formed, (flow channel space 6 formed between adjacent blades described in the present embodiment) most Small width is 3 times of the maximum particle size for the coke to be conveyed；Spiral shape subject to 2 molded line of pump case, between cut water and impeller outer edge Gap (being formed with the passage gaps 7 passed through for coke between 1 outer rim of impeller that i.e. the present embodiment is related to) ratio coke to be conveyed The maximum particle size of charcoal is big；Pump case is split type, insertion polyurethane jacket or MC nylon sheath wire, sheath 3 among split type pump case It is removably mounted in pump case, can easily be replaced.

More specifically, in the utility model embodiment, the main working parts of coke delivery pump are impeller 1 and pump case 2,1 device of impeller in pump case 2 is located on axis, and is connected to form a whole with prime mover, when prime mover impeller 1 rotates When, the blade 4 in impeller 1 forces fluid rotary, i.e. the direction of motion of the blade 4 to fluid along it is done work, to force fluid Pressure potential and kinetic energy increase；

At the same time, fluid flows away under the action of inertia force from center to 1 edge of impeller, and with very high speed Impeller 1 is flowed out, into pumping chamber, then exports and is discharged through pump case 2, this process is known as Drive stroke；Simultaneously as in impeller 1 The fluid of the heart flows to edge, is centrally formed low-pressure area in impeller 1, when it has enough vacuum, the work of pressure in suction side Under, fluid enters impeller 1 through suction chamber, this process is known as water absorption course.Since impeller 1 continuously rotates, fluid is also Continuous discharge, sucking form continuous work.

In addition, pump case 2 is made into split type, in centre insertion polyurethane jacket 3 or MC nylon sheath wire 3, can greatly prolong 2 service life of pump case, when the intermediate abrasion of insertion sheath 3 cannot use after, very easily it can be replaced, and common Protective metal shell 3 compared with rubber sheath 3, that is, have good wear-resisting property, and can and the good fitting of 2 ontology of pump case, also The efficiency that frictional resistance improves pump can be reduced.

To sum up, coke delivery pump provided by the embodiment of the utility model, compared to existing technologies, the utility model mentions The coke delivery pump of confession can be realized coke and flow smoothly, and improve the conevying efficiency of coke, improve production operation efficiency, and coke is suitable Smooth circulation can reduce the erosive wear generated to the pump housing, to guarantee that equipment has longer service life, extend coke conveying The service life of pump.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (10)

1. a kind of coke delivery pump characterized by comprising pump case；The impeller being set in the pump case；It is set to the leaf Blade on wheel；The flow channel space for passing through for coke is formed between the adjacent blade；It is set in the pump case, And the sheath being bonded with the pump housing endophragm；It is formed between the cut water of the sheath and the impeller outer edge and to pass through for coke Passage gaps.

2. coke delivery pump according to claim 1, which is characterized in that the pump case is split type pump case, including first Shell and second shell, first shell and second shell are detachably connected；The sheath is fitted closely in the first shell, institute State second shell inner wall.

3. coke delivery pump according to claim 1, which is characterized in that the sheath is specially MC nylon sheath wire or poly- ammonia Ester sheath.

4. coke delivery pump according to claim 1, which is characterized in that the quantity of the blade is 2~4.

5. coke delivery pump according to claim 4, which is characterized in that the quantity of the blade is specially 3.

6. coke delivery pump according to claim 1, which is characterized in that the molded line of the blade is diagonal helix.

7. coke delivery pump according to claim 1, which is characterized in that the impeller is specially double shrouded wheel.

8. coke delivery pump according to claim 1, which is characterized in that the flow channel space can pass through 200mm~280mm The coke of lumpiness.

9. coke delivery pump according to claim 8, which is characterized in that the passage gaps can pass through 70mm to 100mm The coke of lumpiness.

10. coke delivery pump according to claim 1, which is characterized in that the molded line of the pump case is specially similar spiral shape.