CN114738323A

CN114738323A - Centrifugal pump and smelting furnace using same

Info

Publication number: CN114738323A
Application number: CN202210568661.9A
Authority: CN
Inventors: 滕丽霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-07-12

Abstract

The invention discloses a centrifugal pump and a smelting furnace using the pump body, which comprises a centrifugal pump main body, wherein the bottom of the centrifugal pump main body is provided with an installation seat, one side of the centrifugal pump main body is provided with a feeding pipe, the upper end of the centrifugal pump main body is provided with a discharging pipe, flange plates are arranged on the feeding pipe and the discharging pipe, a flow limiting plate is arranged inside the discharging pipe, the flow limiting plate is arranged on an installation shaft, the installation shaft is rotatably arranged on the discharging pipe, the end part of the installation shaft is rotatably arranged in a shaft seat, the shaft seat is arranged on the side wall of the discharging pipe, the side wall of the flow limiting plate is symmetrically provided with a circular shaft rod, the end part of the circular shaft rod is provided with an arc plate, the arc plate is slidably arranged in an arc plate frame, the flow limiting plate is arranged inside the discharging pipe, the arc plates are symmetrically arranged on two sides of the flow limiting plate, and the positioning is carried out through a locking assembly, so that the angle of the flow limiting plate can be adjusted according to the actual situation when in use, the flow of the discharge pipe is changed to meet different production requirements.

Description

Centrifugal pump and smelting furnace using same

Technical Field

The invention relates to the technical field of centrifugal pump devices, in particular to a centrifugal pump and a smelting furnace using the pump body.

Background

The centrifugal pump has various forms such as vertical type, horizontal type, single stage, multistage, single suction, double suction, self suction and the like. 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 in a centrifugal motion, and flows into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

However, the flow rate of the fluid in the pipeline cannot be changed in the use process of the existing centrifugal pump, the change is difficult to carry out according to different fluid conveying requirements, and dust and the like can enter the pipe orifice of the centrifugal pump frequently after the centrifugal pump is not suitable for use.

Disclosure of Invention

The present invention is directed to a centrifugal pump and a melting furnace using the same, which solve the problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a centrifugal pump, including the centrifugal pump main part, the mount pad is installed to the bottom of centrifugal pump main part, the inlet pipe is installed to one side of centrifugal pump main part, the discharging pipe is installed to the upper end of centrifugal pump main part, install the ring flange on inlet pipe and the discharging pipe, the inside of discharging pipe is equipped with the current-limiting plate, the current-limiting plate is installed on installation epaxially, install the rotation of axle and install on the discharging pipe, the tip rotation of installation axle is installed in the axle bed, the axle bed is installed on the lateral wall of discharging pipe, the round axle pole is installed to the lateral wall symmetry of current-limiting plate, the tip installation arc of round axle pole, arc slidable mounting is in the arc sheet frame, arc sheet frame symmetry is installed last, and the arc is fixed a position through the locking Assembly.

Preferably, the ring flange is provided with a plurality of groups of preformed holes which are circular uniform equidistant arrays, and the end face of the ring flange is provided with a sealing groove.

Preferably, the flange plate is symmetrically welded with a first U-shaped frame and a second U-shaped frame, the first U-shaped frame is rotatably provided with a sealing plate through L-shaped blocks, the L-shaped blocks are symmetrically arranged on the sealing plate, and a bolt is inserted in the second U-shaped frame.

Preferably, the arc-shaped plate is provided with a plurality of groups of positioning holes which are odd-numbered and are arranged in a circular uniform equidistant array, and the array center of the positioning holes and the rotation center of the flow limiting plate are on the same axis.

Preferably, the circle center of the arc-shaped plate and the rotation center of the current-limiting plate are on the same axis, and the positioning holes on the arc-shaped plate at one side of the current-limiting plate are from top to bottom, correspond to the positioning holes on the other group of arc-shaped plates from bottom to top, and are on the same circle diameter line.

Preferably, the disc seat is installed at the tip of installation axle, and six prismatic grooves have been seted up at the terminal surface center of disc seat, and the outside cover of disc seat has the ratchet dish, and the lateral wall symmetry of ratchet dish installs the ear piece, and the grafting has the screw thread axle in the ear piece, and screw thread axial symmetry installs on the lateral wall of discharging pipe, and the spacing ring is installed to the smooth end of screw thread axle, and the nut is installed to the screw thread end screw thread of screw thread axle.

Preferably, the inner wall of the ratchet wheel disc is provided with a plurality of groups of ratchet wheel grooves which are in a circular uniform equidistant array, the surface of the arc plate is provided with an elastic sheet, a ratchet wheel claw is arranged on the elastic sheet and is rotatably arranged on the disc seat, and the end part of the ratchet wheel claw is clamped in the ratchet wheel groove.

Preferably, the locking subassembly comprises location axostylus axostyle, support frame, connecting plate, threaded rod and a screw thread section of thick bamboo, and the support frame symmetry is installed on the lateral wall of discharging pipe, and it has the location axostylus axostyle to peg graft on the support frame, and the arc sheet frame is passed to the one end of location axostylus axostyle and pegs graft in the locating hole, and the connecting plate is installed to the other end of location axostylus axostyle, and the threaded rod is installed in the middle of rotating of connecting plate, and the tip screw thread of threaded rod is installed in a screw thread section of thick bamboo, and a screw thread section of thick bamboo is installed on the lateral wall of discharging pipe.

A furnace fitted with a centrifugal pump as described above.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the flow limiting plate is arranged in the discharging pipe, the arc plates are symmetrically arranged on two sides of the flow limiting plate, and the arc plates are positioned through the locking assembly, so that the angle of the flow limiting plate can be adjusted according to actual conditions during use, the flow of the discharging pipe is changed, and different production requirements are met.

Drawings

FIG. 1 is a schematic view of a first perspective of the structure of the present invention;

FIG. 2 is a schematic diagram of a second perspective view of the structure of the present invention;

FIG. 3 is a first view in section of the tapping pipe according to the invention;

FIG. 4 is an exploded view of the present invention;

FIG. 5 is a second perspective sectional view of the tapping pipe according to the invention;

FIG. 6 is a schematic view of a restrictor plate;

fig. 7 is a detail view of the flange.

In the figure: the centrifugal pump comprises a centrifugal pump body 1, a mounting base 2, a feeding pipe 3, a discharging pipe 4, a flange plate 5, a first U-shaped frame 51, a sealing plate 52, an L-shaped block 53, a second U-shaped frame 54, a bolt 55, a sealing groove 56, a flow limiting plate 6, a mounting shaft 7, a shaft seat 8, a circular shaft rod 9, an arc-shaped plate 10, a positioning hole 11, an arc-shaped plate frame 12, a positioning shaft rod 14, a supporting frame 15, a connecting plate 16, a threaded rod 17, a threaded barrel 18, a circular plate seat 19, a ratchet plate 20, a ratchet groove 21, a ratchet claw 22, an elastic sheet 23, an ear block 24, a threaded shaft 25, a limiting ring 26 and a nut 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by those skilled in the art without making any creative effort, belong to the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a centrifugal pump, including centrifugal pump main part 1, mount pad 2 is installed to the bottom of centrifugal pump main part 1, inlet pipe 3 is installed to one side of centrifugal pump main part 1, discharging pipe 4 is installed to the upper end of centrifugal pump main part 1, install ring flange 5 on inlet pipe 3 and the discharging pipe 4, the inside of discharging pipe 4 is equipped with current-limiting plate 6, current-limiting plate 6 is installed on installation axle 7, installation axle 7 rotates and installs on discharging pipe 4, the tip rotation of installation axle 7 is installed in axle bed 8, axle bed 8 is installed on the lateral wall of discharging pipe 4, shaft lever 9 is installed to current-limiting plate 6's lateral wall symmetry, the tip installation arc 10 of shaft lever 9, arc 10 slidable mounting is in arc sheet frame 12, arc sheet frame 12 symmetry is installed on 4, and arc 10 fixes a position through locking Assembly.

The preformed hole has been seted up on ring flange 5, the preformed hole is provided with the multiunit, be circular even equidistance array, seal groove 56 has been seted up to ring flange 5's terminal surface, the symmetric welding has first U type frame 51 and second U type frame 54 on ring flange 5, install shrouding 52 through L type piece 53 rotation on the first U type frame 51, L type piece 53 symmetry is installed on shrouding 52, it has bolt 55 to peg graft in the second U type frame 54, when using, shelter from ring flange 5 as required, so that when placing the entering of dust, just can block shrouding 52 at ring flange 5's tip, and fix through bolt 55.

The arc plate 10 is provided with a plurality of positioning holes 11, the positioning holes 11 are odd-numbered and are in a circular uniform equidistant array, the center of the array of the positioning holes 11 and the rotation center of the restrictor plate 6 are on the same axis, the center of the arc plate 10 and the rotation center of the restrictor plate 6 are on the same axis, and the positioning holes 11 on the arc plate 10 on one side of the restrictor plate 6 are from top to bottom and correspond to the positioning holes 11 on the other group of arc plates 10 from bottom to top and are on the same diameter line of a circle.

The end of the mounting shaft 7 is provided with a disc seat 19, the center of the end surface of the disc seat 19 is provided with a hexagonal groove, the disc seat 19 can be conveniently rotated by a tool so as to drive the current-limiting plate 6 to rotate, the outside of the disc seat 19 is sleeved with a ratchet disc 20, the side wall of the ratchet disc 20 is symmetrically provided with lug blocks 24, the lug blocks 24 are inserted with threaded shafts 25, the threaded shafts 25 are symmetrically arranged on the side wall of the discharge pipe 4, the smooth end of the threaded shafts 25 is provided with a limit ring 26, the threaded end of the threaded shafts 25 is provided with a nut 27 in a threaded manner so as to realize the fixation of the ratchet disc 20, the inner wall of the ratchet disc 20 is provided with ratchet grooves 21, the ratchet grooves 21 are provided with a plurality of groups which are in a circular uniform and equidistant array, the surface of the arc-shaped plate 10 is provided with flow plates 23, ratchet claws 22 are arranged on the surface of the flow plates 23, the ratchet claws 22 are rotatably arranged on the disc seat 19, and the end of the ratchet claws 22 are clamped in the ratchet grooves 21, so that the disc seat 19 can drive the mounting shaft 7 and the current-limiting plate 6 to rotate clockwise, the restrictor plate 6 and the mounting shaft 7 can be prevented from being reversed by the ratchet pawl 22.

The locking component comprises a positioning shaft lever 14, a support frame 15, a connecting plate 16, a threaded rod 17 and a threaded barrel 18, the support frame 15 is symmetrically arranged on the side wall of the discharging pipe 4, the positioning shaft lever 14 is inserted on the support frame 15, one end of the positioning shaft lever 14 penetrates through the arc-shaped plate frame 12 and is inserted in the positioning hole 11, the connecting plate 16 is arranged at the other end of the positioning shaft lever 14, the threaded rod 17 is rotatably arranged in the middle of the connecting plate 16, the end part of the threaded rod 17 is arranged in the threaded barrel 18, the threaded barrel 18 is arranged on the side wall of the discharging pipe 4, when the flow of the discharging pipe 4 needs to be controlled in use, the disc seat 19 can be rotated to drive the mounting shaft 7 and the current-limiting plate 6 to rotate, the change of the angle of the current-limiting plate 6 is realized, the control of the flow of the discharging pipe 4 is realized, the adjustment is enough, the positioning shaft lever 14 is driven to be inserted in the positioning hole 11 through the rotation of the threaded rod 17, the locking of the arc plate 10, i.e. of the restrictor plate 6, is achieved.

A furnace fitted with a centrifugal pump as described above.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A centrifugal pump comprising a centrifugal pump main body (1), characterized in that: the centrifugal pump is characterized in that a mounting seat (2) is installed at the bottom of a centrifugal pump main body (1), a feeding pipe (3) is installed on one side of the centrifugal pump main body (1), a discharging pipe (4) is installed at the upper end of the centrifugal pump main body (1), flange plates (5) are installed on the feeding pipe (3) and the discharging pipe (4), a flow limiting plate (6) is arranged inside the discharging pipe (4), the flow limiting plate (6) is installed on an installation shaft (7), the installation shaft (7) is rotatably installed on the discharging pipe (4), the end of the installation shaft (7) is rotatably installed in a shaft seat (8), the shaft seat (8) is installed on the side wall of the discharging pipe (4), a shaft rod (9) is symmetrically installed on the side wall of the flow limiting plate (6), an arc plate (10) is installed at the end of the shaft rod (9), the arc plate (10) is slidably installed in an arc plate frame (12), and the arc plate frame (12) is symmetrically installed on the discharging pipe frame (4), and the arc-shaped plate (10) is positioned by the locking assembly.

2. A centrifugal pump according to claim 1, characterized in that: the ring flange is characterized in that preformed holes are formed in the ring flange (5), multiple groups of preformed holes are arranged and are in circular uniform equidistant arrays, and the end face of the ring flange (5) is provided with a sealing groove (56).

3. A centrifugal pump according to claim 1, characterized in that: the flange plate (5) is symmetrically welded with a first U-shaped frame (51) and a second U-shaped frame (54), the first U-shaped frame (51) is rotatably provided with a sealing plate (52) through an L-shaped block (53), the L-shaped block (53) is symmetrically arranged on the sealing plate (52), and a bolt (55) is inserted in the second U-shaped frame (54).

4. A centrifugal pump according to claim 1, characterized in that: the arc-shaped plate (10) is provided with a plurality of groups of positioning holes (11), the positioning holes (11) are odd-numbered and are in a circular uniform equidistant array, and the array center of the positioning holes (11) and the rotation center of the current limiting plate (6) are on the same axis.

5. A centrifugal pump according to claim 1, characterized in that: the circle center of the arc-shaped plate (10) and the rotation center of the current-limiting plate (6) are on the same axis, and the positioning hole (11) on the arc-shaped plate (10) on one side of the current-limiting plate (6) corresponds to the positioning hole (11) on the other group of arc-shaped plates (10) from top to bottom and is on the same circle diameter line.

6. A centrifugal pump according to claim 1, characterized in that: disc seat (19) are installed to the tip of installation axle (7), six prismatic grooves have been seted up at the terminal surface center of disc seat (19), the outside cover of disc seat (19) has ratchet dish (20), the lateral wall symmetry installation ear piece (24) of ratchet dish (20), it has threaded shaft (25) to peg graft in ear piece (24), threaded shaft (25) symmetry is installed on the lateral wall of discharging pipe (4), spacing ring (26) are installed to the smooth end of threaded shaft (25), nut (27) are installed to the screw thread end screw thread of threaded shaft (25).

7. A centrifugal pump according to claim 6, characterized in that: ratchet grooves (21) are formed in the inner wall of the ratchet plate (20), multiple groups of ratchet grooves (21) are arranged and are in circular uniform equidistant arrays, elastic sheets (23) are mounted on the surface of the arc-shaped plate (10), ratchet claws (22) are arranged on the elastic sheets (23), the ratchet claws (22) are rotatably mounted on the disc seat (19), and the end portions of the ratchet claws (22) are clamped in the ratchet grooves (21).

8. A centrifugal pump according to claim 1, characterized in that: the locking assembly is by location axostylus axostyle (14), support frame (15), connecting plate (16), threaded rod (17) and screw thread section of thick bamboo (18) are constituteed, support frame (15) symmetry is installed on the lateral wall of discharging pipe (4), it has location axostylus axostyle (14) to peg graft on support frame (15), the one end of location axostylus axostyle (14) is passed arc sheet frame (12) and is pegged graft in locating hole (11), connecting plate (16) are installed to the other end of location axostylus axostyle (14), threaded rod (17) are installed in the centre rotation of connecting plate (16), the tip screw thread of threaded rod (17) is installed in screw thread section of thick bamboo (18), install on the lateral wall of discharging pipe (4) screw thread section of thick bamboo (18).

9. A furnace, characterized by: the furnace is equipped with a centrifugal pump according to any one of claims 1-8.