CN211423033U

CN211423033U - Acid and alkali resistant chemical centrifugal pump

Info

Publication number: CN211423033U
Application number: CN201921416945.6U
Authority: CN
Inventors: 胥香姐
Original assignee: Dalian Jinhao Long Machinery Manufacturing Co ltd
Current assignee: Dalian Jinhao Long Machinery Manufacturing Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-09-04
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses an acid and alkali-resistance centrifugal pump for chemical industry, including casing, movable block and screw rod, casing upper end middle part is equipped with the water tank, water tank upper end left side is equipped with the inlet tube, water tank lower extreme middle part is equipped with the outlet pipe, the inboard upper portion of casing is equipped with the shunt tubes, the lower extreme of outlet pipe pass the casing and with the water inlet of shunt tubes between interconnect, the equidistant a plurality of nozzles that are equipped with of shunt tubes lower extreme, casing right side wall is equipped with the export. The utility model has reasonable structural design, and is provided with the water tank and the nozzle, which is beneficial to washing the surface of the centrifugal pump body and diluting the residual acid-base chemical products on the surface of the centrifugal pump; the arrangement of the water flow channel is beneficial to leading out the flushed water flow; the motor and the screw are arranged, so that the centrifugal pump body can move leftwards and rightwards; set up buffer base, be favorable to carrying out the shock attenuation to the centrifugal pump body, the life of extension centrifugal pump body.

Description

Acid and alkali resistant chemical centrifugal pump

Technical Field

The utility model relates to a chemical industry equipment technical field specifically is a centrifugal pump for acid and alkali-resistance chemical industry.

Background

Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

The existing cast iron of the centrifugal pump has poor acid and alkali resistance and antirust capability, and surface treatment is often needed, so that the production cost is increased; even if the acid and alkali resistant material is manufactured to be used on the surface of the chemical centrifugal pump, the material can be corroded after being used for a long time; and the vibration is generated when the liquid is pumped, which seriously influences the service life of the centrifugal pump body.

Therefore, the centrifugal pump for acid and alkali resistance chemical industry is provided by the technical personnel in the field, so as to solve the problems in the background technology.

Disclosure of Invention

An object of the utility model is to provide an acid and alkali-resistance centrifugal pump for chemical industry to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a centrifugal pump for acid and alkali resistance chemical industry comprises a shell, a moving block and a screw rod, wherein a water tank is arranged in the middle of the upper end of the shell, a water inlet pipe is arranged on the left side of the upper end of the water tank, a water outlet pipe is arranged in the middle of the lower end of the water tank, a flow dividing pipe is arranged at the upper part of the inner side of the shell, the lower end of the water outlet pipe penetrates through the shell and is connected with a water inlet of the flow dividing pipe, a plurality of nozzles are arranged at the lower end of the flow dividing pipe at equal intervals, an outlet is formed in the right side wall of the shell, a motor cover is arranged at the lower part of the left side wall of the shell, a motor is arranged in the motor cover, a motor shaft of the motor penetrates through the left side wall of the shell and is connected with, the left side and the right side of the upper end of the supporting plate are respectively provided with a buffer base, the inner side of each buffer base is provided with a centrifugal pump body, and the position of each centrifugal pump body corresponds to the position of the outlet; the lower end of the inner side of the shell is provided with a water flowing channel, the lower part of the left side wall of the shell is provided with a circulating pipe, and the circulating pipe is communicated with the water flowing channel.

As a further aspect of the present invention: buffer base includes supporting seat, connecting axle, go-between and connecting screw, the supporting seat symmetry sets up both sides around the backup pad upper end, be equipped with the connecting axle between the supporting seat inboard, the connecting axle cover is equipped with the one end of go-between, is located around the other end of go-between passes through connecting screw interconnect, the go-between inboard is equidistant to be equipped with a plurality of telescopic tube, telescopic tube lateral wall cover is equipped with buffer spring.

As a further aspect of the present invention: the water tank is a transparent structure tank body, and an end cover is arranged at the upper end of the water inlet pipe.

As a further aspect of the present invention: the middle part of the front side wall of the shell is provided with a visible window.

As a further aspect of the present invention: the model of the motor is M590-502, the model of the centrifugal pump body is 50SFB-18, and the model of the electromagnetic valve is ZCB-1/200 Hz.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has reasonable structural design, and is provided with the water tank and the nozzle, which is beneficial to washing the surface of the centrifugal pump body and diluting the residual acid-base chemical products on the surface of the centrifugal pump; the arrangement of the water flow channel is beneficial to leading out the flushed water flow; the motor and the screw are arranged, so that the centrifugal pump body can move leftwards and rightwards; set up buffer base, be favorable to carrying out the shock attenuation to the centrifugal pump body, the life of extension centrifugal pump body.

Drawings

Fig. 1 is a schematic structural view of an acid and alkali resistant chemical centrifugal pump.

Fig. 2 is a schematic side view of a buffer base in the acid and alkali resistant chemical centrifugal pump.

In the figure: the centrifugal pump comprises a shell 1, a sliding rod 2, a water flowing channel 3, a flowing pipe 4, a motor 5, a motor cover 6, a screw 7, a centrifugal pump body 8, a buffer base 9, a supporting seat 901, a connecting shaft 902, a connecting ring 903, a telescopic sleeve 904, a buffer spring 905, a connecting screw 906, a shunt pipe 10, a water inlet pipe 11, a water tank 12, a water outlet pipe 13, an electromagnetic valve 14, a nozzle 15, an outlet 16, a support 17, a supporting plate 18 and a moving block 19.

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.

Referring to fig. 1-2, in the embodiment of the present invention, an acid and alkali resistant chemical centrifugal pump includes a casing 1, a moving block 19 and a screw 7, a water tank 12 is disposed in the middle of the upper end of the casing 1, a water inlet pipe 11 is disposed on the left side of the upper end of the water tank 12, a water outlet pipe 13 is disposed in the middle of the lower end of the water tank 12, a shunt pipe 10 is disposed on the upper portion of the inner side of the casing 1, the lower end of the water outlet pipe 13 passes through the casing 1 and is connected to the water inlet of the shunt pipe 10, a plurality of nozzles 15 are disposed at equal intervals on the lower end of the shunt pipe 10, an outlet 16 is disposed on the right side wall of the casing 1, a motor cover 6 is disposed on the lower portion of the left side wall of the casing 1, a motor 5 is disposed inside the motor cover 6, a motor, a sliding rod 2 is arranged at the lower part of the inner wall of the shell 1, a moving block 19 is sleeved on the side walls of the screw rod 7 and the sliding rod 2, a supporting plate 18 is arranged at the upper end of the moving block 19, a support 17 is arranged between the supporting plate 18 and the moving block 19, buffering bases 9 are arranged on the left side and the right side of the upper end of the supporting plate 18, a centrifugal pump body 8 is arranged on the inner side of the buffering bases 9, and the position of the centrifugal pump body 8 corresponds to the position of; the lower end of the inner side of the shell 1 is provided with a water flowing channel 3, the lower part of the left side wall of the shell 1 is provided with a circulating pipe 4, and the circulating pipe 4 is communicated with the water flowing channel 3.

The buffer base 9 comprises a supporting seat 901, a connecting shaft 902, a connecting ring 903 and connecting screws 906, the supporting seat 901 is symmetrically arranged on the front side and the rear side of the upper end of the supporting plate 18, the connecting shaft 902 is arranged between the inner sides of the supporting seat 901, one end of the connecting ring 903 is sleeved on the connecting shaft 902, the other ends of the connecting ring 903 in the front and the rear are connected with each other through the connecting screws 906, a plurality of telescopic sleeves 904 are arranged on the inner sides of the connecting ring 903 at equal intervals, and buffer springs 905 are sleeved on the side walls of.

The water tank 12 is a transparent structure tank body, and an end cover is arranged at the upper end of the water inlet pipe 11.

The middle part of the front side wall of the shell 1 is provided with a visible window.

The model of the motor 5 is M590-502, the model of the centrifugal pump body 8 is 50SFB-18, and the model of the electromagnetic valve 14 is ZCB-1/200 Hz.

The utility model discloses a theory of operation is:

the utility model relates to an acid and alkali-resistance chemical centrifugal pump, place centrifugal pump body 8 in buffering 9 insides, later through external controller start-up motor 5, motor 5 drives screw rod 7 and rotates, thereby makes movable block 19 and centrifugal pump body 8 move, makes it move to the inboard, conveniently washs centrifugal pump body 8 surface, dilutes the residual acid and alkali chemical products on centrifugal pump body 8 surface, later rivers flow out of the casing 1 outside from runner pipe 4 along flowing water channel 3; afterwards through the motor 5 reversal, arrange centrifugal pump body 8 in the outside again and carry out the operation, the operation in-process produces the vibration, because telescopic tube 904 and buffer spring 905's in the buffer base 9 effect, be favorable to carrying out the shock attenuation to centrifugal pump body 8, extension centrifugal pump body 8's life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an acid and alkali resistance centrifugal pump for chemical industry, includes casing (1), movable block (19) and screw rod (7), its characterized in that: the utility model discloses a motor, including casing (1), water tank (12) upper end left side is equipped with inlet tube (11), water tank (12) lower extreme middle part is equipped with outlet pipe (13), casing (1) inboard upper portion is equipped with shunt tubes (10), the lower extreme of outlet pipe (13) pass casing (1) and with interconnect between the water inlet of shunt tubes (10), shunt tubes (10) lower extreme equidistant be equipped with a plurality of nozzles (15), casing (1) right side wall is equipped with export (16), casing (1) left side wall lower part is equipped with motor cover (6), the inside motor (5) that is equipped with of motor cover (6), the motor shaft of motor (5) passes casing (1) left side wall and the one end through coupling joint screw rod (7), the other end of screw rod (7) passes through bearing connection casing (1) right side inner wall, a sliding rod (2) is arranged on the lower portion of the inner wall of the shell (1), a moving block (19) is sleeved on the side walls of the screw rod (7) and the sliding rod (2), a supporting plate (18) is arranged at the upper end of the moving block (19), a support (17) is arranged between the supporting plate (18) and the moving block (19), buffering bases (9) are arranged on the left side and the right side of the upper end of the supporting plate (18), a centrifugal pump body (8) is arranged on the inner side of the buffering bases (9), and the position of the centrifugal pump body (8) corresponds to the position; the water-saving and environment-friendly water-saving device is characterized in that a water flowing channel (3) is arranged at the lower end of the inner side of the shell (1), a circulating pipe (4) is arranged on the lower portion of the left side wall of the shell (1), and the circulating pipe (4) is communicated with the water flowing channel (3).

2. The acid and alkali resistant chemical centrifugal pump of claim 1, characterized in that: buffer base (9) include supporting seat (901), connecting axle (902), go-between (903) and connecting screw (906), supporting seat (901) symmetry sets up both sides around backup pad (18) upper end, be equipped with connecting axle (902) between supporting seat (901) inboard, connecting axle (902) cover is equipped with the one end of go-between (903), is located around the other end of go-between (903) passes through connecting screw (906) interconnect, go-between (903) inboard equidistant be equipped with a plurality of telescopic tube (904), telescopic tube (904) lateral wall cover is equipped with buffer spring (905).

3. The acid and alkali resistant chemical centrifugal pump of claim 1, characterized in that: the water tank (12) is a transparent structure tank body, and an end cover is arranged at the upper end of the water inlet pipe (11).

4. The acid and alkali resistant chemical centrifugal pump of claim 1, characterized in that: the middle part of the front side wall of the shell (1) is provided with a visible window.

5. The acid and alkali resistant chemical centrifugal pump of claim 1, characterized in that: the motor (5) is M590-502 in model, the centrifugal pump body (8) is 50SFB-18 in model, and the electromagnetic valve (14) is ZCB-1/200Hz in model.