CN217129923U

CN217129923U - Single-suction cantilever type chemical centrifugal pump

Info

Publication number: CN217129923U
Application number: CN202220458966.XU
Authority: CN
Inventors: 贾恒兰
Original assignee: Jiangsu Shuangheng Pump Valve Manufacturing Co ltd
Current assignee: Jiangsu Shuangheng Pump Valve Manufacturing Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-05
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to a centrifugal pump technical field discloses a single suction cantilever type chemical centrifugal pump, including the cooling cylinder, the equal threaded connection in left and right sides of cooling cylinder has sealed lid, be provided with the cooling chamber in the cooling cylinder. The utility model discloses in, the heat that gives off in the pump is absorbed by the coolant liquid, then the water pump loops through the coolant liquid that third connecting pipe and second connecting pipe will cool off the intracavity and carry for the cooler and cool off, the coolant liquid after the cooling finishes passes through first connecting pipe and gets into the cooling intracavity again, with this cooling cycle of accomplishing, filter the large-scale chemical material of chemical industry aquatic when at first alleviating the rivers impact force through the wire netting filter plate in the first connecting cylinder simultaneously, filter among the second connecting cylinder of entering through the go-between after finishing, later carry out the secondary through the non-woven fabrics filter plate on the second connecting cylinder and filter, prevent that the chemical material of aquatic from getting into in the pump, guarantee the normal work of centrifugal pump.

Description

Single-suction cantilever type chemical centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to a single cantilever type chemical centrifugal pump of inhaling.

Background

The centrifugal pump is a pump for conveying liquid by means of centrifugal force generated when an impeller rotates, the centrifugal pump works by utilizing the rotation of the impeller to enable water to generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of a volute-shaped pump shell, and the basic structure of the centrifugal pump is that the impeller, the pump body, the pump shaft, a bearing, a sealing ring and a packing box are formed by six parts.

Chinese patent document CN209818307U discloses a single-stage single-suction cantilever type chemical centrifugal pump, which comprises a pump body, a pump cover, a bearing box and a pump shaft; the pump shaft is arranged on the pump body through the bearing box and the pump cover and is fixed with the rear bearing gland through the sealing gland and the front bearing gland, and framework oil seals are arranged among the sealing gland, the front bearing gland, the rear bearing gland and the pump shaft; the impeller is fixed on the pump shaft through an integrally formed impeller nut, and a cooling liquid inlet and a cooling liquid outlet which are vertically and symmetrically arranged on the upper side and the lower side of the pump shaft are arranged between the sealing gland and the pump cover; effectively help the pump shaft to cool down and ensure the working environment of the pump shaft, reduce the corrosion and the abrasion to the impeller, prolong the service life of the chemical centrifugal pump, and the device also has certain problems when in use: firstly, the main shaft of traditional single suction cantilever type centrifugal pump is after long-time high-speed operation, inside can produce a large amount of heats, if these heats untimely distribute away, will lead to inside mechanical seal high temperature can't give off, thereby lead to a series of problems such as sealing mechanism ageing with higher speed, secondly traditional single suction cantilever type chemical centrifugal pump is at the during operation, if do not carry out filterable the some chemical materials to aquatic, block up the interior pipeline of pump easily, influence the normal work of centrifugal pump, so need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a single-suction cantilever type chemical centrifugal pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a single-suction cantilever type chemical centrifugal pump comprises a cooling cylinder, wherein sealing covers are in threaded connection with the left side and the right side of the cooling cylinder, a cooling cavity is arranged in the cooling cylinder, a cooler and a water pump are fixedly connected with the left end and the right end of the middle part of the front side of the cooling cylinder respectively, a water inlet of the water pump is communicated with one end of a third connecting pipe, the other end of the third connecting pipe penetrates through the cooling cylinder and is communicated with the cooling cavity, a water outlet of the water pump is communicated with a liquid inlet of the cooler through a second connecting pipe, a liquid outlet of the cooler is communicated with one end of a first connecting pipe, the other end of the first connecting pipe penetrates through the cooling cylinder and is communicated with the cooling cavity, a centrifugal pump body is arranged inside the cooling cylinder, a water inlet of the centrifugal pump body is communicated with one end of a water inlet pipe, the other end of the water inlet pipe penetrates through the middle part of the sealing cover on the left side and extends outwards, and the left side of the water inlet pipe is in threaded connection with the right end of the second connecting cylinder, the right-hand member fixedly connected with non-woven fabrics filter plate of second connecting cylinder, the left side threaded connection of second connecting cylinder is on the inside right side of go-between, the inside left side threaded connection of go-between is on the right side of first connecting cylinder, the right-hand member fixedly connected with wire netting filter plate of first connecting cylinder.

As a further description of the above technical solution:

the water outlet of the centrifugal pump body is communicated with one end of the water outlet pipe, and the other end of the water outlet pipe penetrates through the middle of the right sealing cover and extends outwards.

As a further description of the above technical solution:

the middle part of the upper end of the cooling cylinder is fixedly connected with a handle seat.

As a further description of the above technical solution:

and a temperature detector is arranged at the middle upper part of the front side of the cooling cylinder.

As a further description of the above technical solution:

the aperture of the filter hole of the wire mesh filter plate is larger than that of the filter hole of the non-woven fabric filter plate.

As a further description of the above technical solution:

the equal fixedly connected with of downside middle part left and right ends of cooling cylinder places the seat.

As a further description of the above technical solution:

the cooling device is characterized in that a liquid injection pipe is arranged at the right end of the middle of the upper side of the cooling cylinder, the lower end of the liquid injection pipe penetrates through the cooling cylinder and is communicated with the cooling cavity, and a sealing seat is connected to the upper end of the liquid injection pipe in a threaded manner.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, when the centrifugal pump body began work, the heat that it distributed out is absorbed by the coolant liquid in the cooling chamber, then the water pump loops through the coolant liquid that third connecting pipe and second connecting pipe will cool off the intracavity and carry for the cooler and cool off, the coolant liquid after the cooling finishes gets into the cooling chamber again through first connecting pipe, with this completion a cooling cycle, carry out cooling treatment in time with the heat that the centrifugal pump produced, prevent that the internal seal mechanism from ageing with higher speed because of high temperature, improve the life of centrifugal pump.

2. The utility model discloses in, chemical industry water passes through among the connecting pipe gets into first connecting cylinder, filter the large-scale chemical material of chemical industry water when at first alleviating the water impact force through the wire netting filter plate in the first connecting cylinder, filter and get into among the second connecting cylinder through the go-between after finishing, later carry out the secondary through the non-woven fabrics filter plate on the second connecting cylinder and filter, in preventing the chemical material entering pump of aquatic, block up pipeline in the pump, can regularly pull down first connecting cylinder and second connecting cylinder, filter impurity to inside clears up, guarantee the normal work of centrifugal pump.

Drawings

Fig. 1 is an overall structural view of a single suction cantilever type chemical centrifugal pump provided by the utility model;

fig. 2 is an inner side structural view of the single suction cantilever type chemical centrifugal pump provided by the utility model;

fig. 3 is the utility model provides a filtration module structural schematic diagram of single suction cantilever type chemical centrifugal pump.

Illustration of the drawings:

1. a cooling cylinder; 2. a temperature detector; 3. a water inlet pipe; 4. a connecting ring; 5. a first connecting cylinder; 6. a second connecting cylinder; 7. a first connecting pipe; 8. a cooler; 9. a second connecting pipe; 10. a placing seat; 11. a water pump; 12. a third connecting pipe; 13. a water outlet pipe; 14. a sealing cover; 15. a liquid injection pipe; 16. a handle base; 17. a cooling chamber; 18. a centrifugal pump body; 19. a wire mesh filter plate; 20. a non-woven fabric filter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a single-suction cantilever type chemical centrifugal pump comprises a cooling cylinder 1, wherein sealing covers 14 are in threaded connection with the left side and the right side of the cooling cylinder 1, a cooling cavity 17 is arranged in the cooling cylinder 1, a cooler 8 and a water pump 11 are fixedly connected with the left end and the right end of the middle part of the front side of the cooling cylinder 1 respectively, a water inlet of the water pump 11 is communicated with one end of a third connecting pipe 12, the other end of the third connecting pipe 12 penetrates through the cooling cylinder 1 and is communicated with the cooling cavity 17, a water outlet of the water pump 11 is communicated with a liquid inlet of the cooler 8 through a second connecting pipe 9, a liquid outlet of the cooler 8 is communicated with one end of a first connecting pipe 7, the other end of the first connecting pipe 7 penetrates through the cooling cylinder 1 and is communicated with the cooling cavity 17, when a centrifugal pump body 18 starts to work, heat emitted by the centrifugal pump body is absorbed by cooling liquid in the cooling cavity 17, then the water pump 11 conveys the cooling liquid in the cooling cavity 17 to the cooler 8 through the third connecting pipe 12 and the second connecting pipe 9 in sequence to be cooled, the cooling liquid after cooling is fed into the cooling cavity 17 again through the first connecting pipe 7, so as to complete a cooling cycle, the heat generated by the centrifugal pump is cooled in time, the accelerated aging of the internal sealing mechanism due to high temperature is prevented, the service life of the centrifugal pump is prolonged, a centrifugal pump body 18 is arranged inside the cooling cylinder 1, a water inlet of the centrifugal pump body 18 is communicated with one end of the water inlet pipe 3, the other end of the water inlet pipe 3 penetrates through the middle part of the left sealing cover 14 and extends outwards, the left side of the water inlet pipe 3 is in threaded connection with the right end of the second connecting cylinder 6, the right end of the second connecting cylinder 6 is fixedly connected with a non-woven fabric filter plate 20, the left side of the second connecting cylinder 6 is in threaded connection with the right side inside of the connecting ring 4, the left side of the inside of the connecting ring 4 is in threaded connection with the right side of the first connecting cylinder 5, the right end of the first connecting cylinder 5 is fixedly connected with a wire mesh filter plate 19, during chemical industry water passes through the connecting pipe and gets into first connecting cylinder 5, filter the large-scale chemical material in the chemical industry water when at first alleviating the rivers impact force through wire netting filter plate 19 in first connecting cylinder 5, it gets into among second connecting cylinder 6 through go-between 4 after finishing to filter, later carry out the secondary filter through non-woven fabrics filter plate 20 on the second connecting cylinder 6, the water that finishes that filters at last carries out the centrifugal pump body 18 through inlet tube 3 and discharges in, prevent in the chemical material entering pump of aquatic, pipeline blocks up in the pump, can regularly pull down first connecting cylinder 5 and second connecting cylinder 6, the filtration impurity to inside clears up, guarantee the normal work of single suction chemical centrifugal pump.

The water outlet of the centrifugal pump body 18 is communicated with one end of a water outlet pipe 13, the other end of the water outlet pipe 13 penetrates through the middle part of a right sealing cover 14 and extends outwards, the filtered water is discharged through the water outlet pipe 13, the upper middle part of the cooling cylinder 1 is fixedly connected with a handle seat 16, the whole device is conveniently lifted through the handle seat 16, a temperature detector 2 is arranged at the middle upper part of the front side of the cooling cylinder 1, the temperature of cooling liquid in a cooling cavity 17 is conveniently detected through the temperature detector 2, the filter pore diameter of a wire mesh filter plate 19 is larger than that of a non-woven fabric filter plate 20, the chemical impurities of the water are conveniently filtered for two times through the pore diameters of different sizes, the left end and the right end of the middle part of the lower side of the cooling cylinder 1 are fixedly connected with a placing seat 10, the bottom of the whole device is isolated from the surface of a placing surface through the placing seat 10, and meanwhile, the device is convenient to place, improve the stability of whole device, the upside middle part right-hand member of cooling cylinder 1 is provided with annotates liquid pipe 15, and the lower extreme of annotating liquid pipe 15 runs through cooling cylinder 1 and communicates with cooling chamber 17, and the upper end threaded connection who annotates liquid pipe 15 has the seal receptacle, through annotating liquid pipe 15 and conveniently pouring into the coolant liquid into cooling chamber 17, prevents through the seal receptacle simultaneously that the coolant liquid in cooling chamber 17 from taking place to leak.

The working principle is as follows: when the centrifugal pump body 18 starts to work, the heat emitted by the centrifugal pump body is absorbed by the cooling liquid in the cooling cavity 17, then the water pump 11 sequentially passes through the third connecting pipe 12 and the second connecting pipe 9 to convey the cooling liquid in the cooling cavity 17 to the cooler 8 for cooling, the cooled cooling liquid enters the cooling cavity 17 again through the first connecting pipe 7, so as to complete a cooling cycle, the heat generated by the centrifugal pump is cooled in time, the accelerated aging of an internal sealing mechanism due to high temperature is prevented, the service life of the centrifugal pump is prolonged, meanwhile, the chemical water enters the first connecting cylinder 5 through the connecting pipes, the large chemical materials in the chemical water are firstly filtered while the impact force of water flow is relieved through the wire mesh filter plate 19 in the first connecting cylinder 5, the chemical materials enter the second connecting cylinder 6 through the connecting ring 4 after the filtration is finished, and then the second filtration is carried out through the non-woven fabric filter plate 20 on the second connecting cylinder 6, at last, the filtered water is discharged from the centrifugal pump body 18 through the water inlet pipe 3, so that chemical materials in the water are prevented from entering the pump, pipelines in the pump are blocked, the first connecting cylinder 5 and the second connecting cylinder 6 can be detached regularly, the internal filtering impurities are cleaned, and the normal work of the centrifugal pump is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a single suction cantilever type chemical centrifugal pump, includes cooling cylinder (1), its characterized in that: the left side and the right side of the cooling cylinder (1) are both in threaded connection with a sealing cover (14), a cooling cavity (17) is arranged in the cooling cylinder (1), the left end and the right end of the middle part of the front side of the cooling cylinder (1) are respectively and fixedly connected with a cooler (8) and a water pump (11), a water inlet of the water pump (11) is communicated with one end of a third connecting pipe (12), the other end of the third connecting pipe (12) penetrates through the cooling cylinder (1) and is communicated with the cooling cavity (17), a water outlet of the water pump (11) is communicated with a liquid inlet of the cooler (8) through a second connecting pipe (9), a liquid outlet of the cooler (8) is communicated with one end of a first connecting pipe (7), the other end of the first connecting pipe (7) penetrates through the cooling cylinder (1) and is communicated with the cooling cavity (17), a centrifugal pump body (18) is arranged in the cooling cylinder (1), the water inlet of centrifugal pump body (18) and the one end intercommunication of inlet tube (3), the other end of inlet tube (3) runs through the middle part of the left side sealed lid (14) and outwards extends, the left side threaded connection of inlet tube (3) is at the right-hand member of second connecting cylinder (6), the right-hand member fixedly connected with non-woven fabrics filter plate (20) of second connecting cylinder (6), the left side threaded connection of second connecting cylinder (6) is on the inside right side of go-between (4), the inside left side threaded connection of go-between (4) is on the right side of first connecting cylinder (5), the right-hand member fixedly connected with wire netting filter plate (19) of first connecting cylinder (5).

2. The single suction cantilever type chemical centrifugal pump of claim 1, wherein: the water outlet of the centrifugal pump body (18) is communicated with one end of a water outlet pipe (13), and the other end of the water outlet pipe (13) penetrates through the middle of the right sealing cover (14) and extends outwards.

3. The single suction cantilever type chemical centrifugal pump of claim 1, wherein: the middle part of the upper end of the cooling cylinder (1) is fixedly connected with a handle seat (16).

4. The single suction cantilever type chemical centrifugal pump according to claim 1, characterized in that: and a temperature detector (2) is arranged at the middle upper part of the front side of the cooling cylinder (1).

5. The single suction cantilever type chemical centrifugal pump of claim 1, wherein: the aperture of the filter pores of the wire mesh filter plate (19) is larger than that of the non-woven fabric filter plate (20).

6. The single suction cantilever type chemical centrifugal pump of claim 1, wherein: the left end and the right end of the middle part of the lower side of the cooling cylinder (1) are fixedly connected with placing seats (10).

7. The single suction cantilever type chemical centrifugal pump of claim 1, wherein: the cooling device is characterized in that a liquid injection pipe (15) is arranged at the right end of the middle of the upper side of the cooling barrel (1), the lower end of the liquid injection pipe (15) penetrates through the cooling barrel (1) and is communicated with the cooling cavity (17), and a sealing seat is connected to the upper end of the liquid injection pipe (15) in a threaded mode.