CN210484101U

CN210484101U - Corrosion-resistant horizontal centrifugal pump

Info

Publication number: CN210484101U
Application number: CN201921499889.7U
Authority: CN
Inventors: 夏忠信; 杨亚飞; 肖立明
Original assignee: Kunshan Freya Mechanical And Electrical Equipment Co Ltd
Current assignee: Suzhou Freya Pump Manufacturing Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-05-08
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a corrosion-resistant horizontal centrifugal pump, which comprises a bottom plate and a drainage unit; a bottom plate: the bottom plate is a cuboid, the surface of the bottom plate is provided with a pump body motor and a base, one end of the bottom plate is provided with a pump body, the circumferential side surface of the pump body is provided with a water outlet flange pipe, the side surface of the pump body is provided with an inlet flange pipe, and an output shaft of the pump body motor extends to the inside of the pump body and is fixedly sleeved with an impeller; a drainage unit: the drainage unit includes knob, threaded rod, a thread section of thick bamboo, sealed piece and seal groove, the circumference side bottom of the pump body is located to the thread section of thick bamboo, the inside of the thread section of thick bamboo that the threaded rod passed and the side of threaded rod and the medial surface threaded connection of the thread section of thick bamboo, the one end that the threaded rod is located the pump body inside is equipped with sealed piece, the inside circumference side bottom that the pump body was located to the seal groove is equipped with the seal groove, and sealed piece and seal groove mutually support, this corrosion-resistant horizontal centrifugal pump can effectively improve the corrosion-resistant effect of the pump body.

Description

Corrosion-resistant horizontal centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a corrosion-resistant horizontal centrifugal pump.

Background

The centrifugal pump is designed according to the centrifugal force principle, the impeller blades rotating at high speed drive water to rotate and throw the water out, therefore, the purpose of conveying is achieved, with the continuous development of economy, the centrifugal pump is more and more widely applied to production engineering by virtue of the advantages of strong pollution discharge capability, high efficiency, energy conservation, good self-absorption performance and the like, is not only suitable for urban environmental protection, construction, fire fighting, chemical engineering, pharmacy, dye printing and dyeing, brewing, electric power, electroplating, papermaking, petroleum, mines, equipment cooling, oil tanker oil unloading and the like, but also suitable for clear water and seawater, because the service environment of the horizontal centrifugal pump is complex mostly, a large amount of corrosive substances are contained in the working environment, the pump body is easy to be corroded and damaged, most of the existing corrosion-resistant horizontal centrifugal pumps have weak corrosion-resistant effect, and cannot fundamentally prevent the pump body from being corroded, so that the pump body is damaged in different degrees.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a corrosion-resistant horizontal centrifugal pump, can effectively improve the corrosion-resistant effect of the pump body, reduce the destruction that corrosive substance caused to the pump body, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a corrosion-resistant horizontal centrifugal pump comprises a bottom plate and a drainage unit;

a bottom plate: the water pump is characterized in that the bottom plate is a cuboid, a pump body motor and a base are arranged on the surface of the bottom plate, a pump body is arranged at one end of the bottom plate, a water outlet flange pipe is arranged on the circumferential side surface of the pump body, an inlet flange pipe is arranged on the side surface of the pump body, and an output shaft of the pump body motor extends to the interior of the pump body and is fixedly sleeved with an impeller;

a drainage unit: the drainage unit comprises a knob, a threaded rod, a threaded cylinder, a sealing block and a sealing groove, wherein the threaded cylinder is arranged at the bottom of the side face of the circumference of the pump body, the threaded rod penetrates through the threaded cylinder, the side face of the threaded rod is in threaded connection with the inner side face of the threaded cylinder, the end, located inside the pump body, of the threaded rod is provided with the sealing block, the sealing groove is arranged at the bottom of the side face of the circumference of the inside of the pump body and is provided with the sealing groove, and the sealing block.

Further, still include the PLC controller, the side of base is located to the PLC controller, and the input of PLC controller is connected with external power source's output electricity, and the output of PLC controller is connected with the input of pump body motor electricity.

Furthermore, the pump body further comprises an insulating sleeve, the insulating sleeve is arranged on the inner circumferential side face of the inlet flange pipe, a zinc plate is arranged on the inner circumferential side face of the insulating sleeve, and the zinc plate can reduce damage to the pump body caused by electrochemical corrosion in liquid.

Further, still include the tuber pipe, the circumference side of the pump body is located to the tuber pipe, is equipped with on-off unit on the tuber pipe, on-off unit includes the support, opens and close motor, closing plate and sealing washer, the circumference side top of tuber pipe is located to the support, is equipped with the on-off motor in the support, be equipped with the closing plate on the output shaft of opening and close the motor, the circumference side of closing plate is located to the sealing washer, and the sealing washer is mutually supported with the medial surface of tuber pipe, the input of opening and close the motor is connected with the output electricity of PLC controller, opens and close the unit and is used for controlling the break-make of air.

Further, still include the air heater, the air heater is located on the base, and the air outlet of air heater is equipped with the second flange, the import department of tuber pipe is equipped with first flange, and first flange passes through bolt fixed connection with the second flange, the input of air heater is connected with the output electricity of PLC controller, and after the air heater communicated with the pump body, can utilize hot-blast evaporation that accelerates the interior liquid of the pump body, avoids liquid to remain for a long time and corrodes the pump body.

Further, the junction of first flange and second flange is equipped with sealed unit, sealed unit includes first clamping ring, O type circle, second seal groove, sealing strip, second clamping ring and first seal groove, and the medial surface of first flange is located to first seal groove, inside first seal groove was located to O type circle, the side of first seal groove is located to first clamping ring, the circumference medial surface of second flange is located to the second clamping ring, the side of second clamping ring is located to the second seal groove, just inside the second seal groove was located to the sealing strip, and first clamping ring and second seal groove, second clamping ring and first seal groove correspond each other, and sealed unit can prevent that the wind-force of air heater from scattering and disappearing and weakening the effect of cleaing away of remaining liquid in the pump body.

Compared with the prior art, the beneficial effects of the utility model are that: this corrosion-resistant horizontal centrifugal pump has following benefit:

1. this corrosion-resistant horizontal centrifugal pump's drainage unit can avoid long-time deposit and lead to the fact the corruption to the pump body with remaining the liquid discharge in pump body bottom, because threaded rod and screw thread section of thick bamboo threaded connection, so the rotating knob can rotate the threaded rod, and the other end of threaded rod is equipped with sealed piece, and the lift of sealed piece can be realized in the rotation of threaded rod to realize opening and shutting of sealed piece, reach the purpose of drainage.

2. This corrosion-resistant horizontal centrifugal pump's the unit of opening and close can control the break-make of air heater and the pump body to the unit leakage takes place when preventing to open and close when closed, and the rotation of opening and close the motor can drive the rotation of closing plate, reaches the biggest circulation after the closing plate rotates ninety degrees.

3. The zinc plate of the corrosion-resistant horizontal centrifugal pump can reduce the damage of electrochemical corrosion in liquid to a pump body, the potential of the zinc plate is lower than that of the pump, the zinc plate becomes anode dissolved and consumed, and metal substances of the pump are protected as a cathode, so that the purpose of corrosion resistance is realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is an enlarged schematic view of the structure at B of the present invention;

fig. 5 is an enlarged schematic view of the structure at position C of the present invention.

In the figure: the device comprises a base plate 1, a pump body 11 motor, a base 2, a PLC 21, a hot air blower 22, a pump body 3, an outlet flange pipe 31, an inlet flange pipe 32, an insulating sleeve 33, a zinc plate 34, an air pipe 35, an impeller 36, a water drainage unit 4, a knob 41, a threaded rod 42, a threaded cylinder 43, a sealing block 44, a sealing groove 45, an opening and closing unit 5, a bracket 51, a motor 52, a sealing plate 53, a sealing ring 54, a first flange 6, a second flange 61, a sealing unit 7, a first pressing ring 71, an O-shaped ring 72, a second sealing groove 73, a sealing strip 74, a second pressing ring 75 and a first sealing groove 76.

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. 1-5, the present invention provides a technical solution: a corrosion-resistant horizontal centrifugal pump comprises a bottom plate 1 and a drainage unit 4;

bottom plate 1: the bottom plate 1 is a cuboid, a pump body motor 11 and a base 2 are arranged on the surface of the bottom plate 1, a pump body 3 is arranged at one end of the bottom plate 1, a water outlet flange pipe 31 is arranged on the circumferential side surface of the pump body 3, an inlet flange pipe 32 is arranged on the side surface of the pump body 3, and an output shaft of the pump body motor 11 extends to the inside of the pump body 3 and is fixedly sleeved with an impeller 36;

the drainage unit 4: the drainage unit 4 comprises a knob 41, a threaded rod 42, a threaded cylinder 43, a sealing block 44 and a sealing groove 45, the threaded cylinder 43 is arranged at the bottom of the circumferential side face of the pump body 3, the threaded rod 42 penetrates through the threaded cylinder 43, the side face of the threaded rod 42 is in threaded connection with the inner side face of the threaded cylinder 43, the sealing block 44 is arranged at one end, located inside the pump body 3, of the threaded rod 42, the sealing groove 45 is arranged at the bottom of the inner circumferential side face of the pump body 3, a sealing groove is formed in the sealing groove, and the sealing block 44.

Wherein: still include PLC controller 21, PLC controller 21 locates the side of base 2, and PLC controller 21's input is connected with external power source's output electricity, and PLC controller 21's output is connected with pump body motor 11's input electricity.

Wherein: the insulating sleeve 33 is arranged on the inner circumferential side surface of the inlet flange pipe 32, and a zinc plate 34 is arranged on the inner circumferential side surface of the insulating sleeve 33; the pump body is characterized by further comprising an air pipe 35, the air pipe 35 is arranged on the circumferential side face of the pump body 3, an opening and closing unit 5 is arranged on the air pipe 35, the opening and closing unit 5 comprises a support 51, an opening and closing motor 52, a sealing plate 53 and a sealing ring 54, the support 51 is arranged at the top of the circumferential side face of the air pipe 35, the opening and closing motor 52 is arranged in the support 51, the sealing plate 53 is arranged on an output shaft of the opening and closing motor 52, the sealing ring 54 is arranged on the circumferential side face of the sealing plate 53, the sealing ring 54 is matched with the inner side; the hot air blower 22 is arranged on the base 2, a second flange 61 is arranged at an air outlet of the hot air blower 22, a first flange 6 is arranged at an inlet of the air pipe 35, the first flange 6 is fixedly connected with the second flange 61 through bolts, a sealing unit 7 is arranged at a joint of the first flange 6 and the second flange 61, the sealing unit 7 comprises a first press ring 71, an O-shaped ring 72, a second sealing groove 73, a sealing strip 74, a second press ring 75 and a first sealing groove 76, the first sealing groove 76 is arranged on the inner side surface of the first flange 6, the O-shaped ring 72 is arranged in the first sealing groove 76, the first press ring 71 is arranged on the side surface of the first sealing groove 76, the second press ring 75 is arranged on the inner side surface of the circumference of the second flange 61, the second sealing groove 73 is arranged on the side surface of the second press ring 75, the sealing strip 74 is arranged in the second sealing groove 73, the first press ring 71 and the second sealing groove 73 correspond to each other, the second press, the input end of the hot air blower 22 is electrically connected with the output end of the PLC 21.

This corrosion-resistant horizontal centrifugal pump's drainage unit 4 can be with the liquid discharge that remains in the pump body 3 bottom, avoids long-time deposit and causes the corruption to pump body 3, because threaded rod 42 and a screw thread section of thick bamboo 43 threaded connection, so the rotating knob 41 can rotate threaded rod 42, and the other end of threaded rod 42 is equipped with sealed piece 44, and the lift of sealed piece 44 can be realized in the rotation of threaded rod 42 to realize opening and shutting of sealed piece 44, reach the anticorrosive purpose of drainage.

When in use:

firstly, the PLC controller 21 is opened, the drainage unit 4 of the corrosion-resistant horizontal centrifugal pump can discharge the liquid remained at the bottom of the pump body 3, and the corrosion to the pump body 3 caused by long-time accumulation is avoided, because the threaded rod 42 is in threaded connection with the threaded barrel 43, the threaded rod 42 can be rotated by rotating the knob 41, the sealing block 44 is arranged at the other end of the threaded rod 42, the lifting of the sealing block 44 can be realized by the rotation of the threaded rod 42, so that the opening and closing of the sealing block 44 are realized, the drainage corrosion-resistant purpose is achieved, the opening and closing unit 5 can control the opening and closing of the hot air blower 22 and the pump body 3, the leakage is prevented when the opening and closing unit 5 is closed, the opening and closing motor 52 rotates to drive the sealing plate 53 to rotate, the maximum circulation is achieved after the sealing plate 53 rotates ninety degrees, the zinc plate 34 can reduce the damage to the pump body 3 caused by electrochemical, the zinc plate 34 is consumed as an anode and dissolved, and the metal of the pump body 3 is protected as a cathode, thereby achieving the purpose of corrosion prevention.

It should be noted that, in this embodiment, the specific model of the core chip of the PLC controller 21 is siemens S7-300, the pump motor 11, the air heater 22 and the start-stop motor 52 may be freely configured according to practical application scenarios, the pump motor 11 may be a Y2 series three-phase asynchronous motor available from sheng motor ltd in liaison, the air heater 22 may be an HY GY-380 type air heater available from heng environmental protection technology (shanghai) ltd, and the start-stop motor 52 may be an EA180 type servo motor available from tianjin star automation technology ltd. The PLC controls the pump body motor 11, the hot air blower 22 and the start-stop motor 52 to work by adopting a method commonly used in the prior art.

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. The utility model provides a corrosion-resistant horizontal centrifugal pump which characterized in that: comprises a bottom plate (1) and a drainage unit (4);

base plate (1): the water pump is characterized in that the bottom plate (1) is a cuboid, a pump body motor (11) and a base (2) are arranged on the surface of the bottom plate (1), a pump body (3) is arranged at one end of the bottom plate (1), a water outlet flange pipe (31) is arranged on the circumferential side surface of the pump body (3), an inlet flange pipe (32) is arranged on the side surface of the pump body (3), and an output shaft of the pump body motor (11) extends to the inside of the pump body (3) and is fixedly sleeved with an impeller (36);

drainage unit (4): drainage unit (4) include knob (41), threaded rod (42), screw cylinder (43), sealed piece (44) and seal groove (45), the circumference side bottom of the pump body (3) is located to screw cylinder (43), the inside of screw cylinder (43) that threaded rod (42) passed and the medial surface threaded connection of the side of threaded rod (42) and screw cylinder (43), the one end that threaded rod (42) are located pump body (3) inside is equipped with sealed piece (44), the inside circumference side bottom of locating the pump body (3) in seal groove (45) is equipped with the seal groove, and sealed piece (44) and seal groove (45) mutually support.

2. A corrosion-resistant centrifugal horizontal pump according to claim 1, wherein: still include PLC controller (21), the side of base (2) is located in PLC controller (21), and the input of PLC controller (21) is connected with external power source's output electricity, and the output of PLC controller (21) is connected with the input of pump body motor (11) electricity.

3. A corrosion-resistant centrifugal horizontal pump according to claim 1, wherein: still include insulating cover (33), the inside circumference side of import flange pipe (32) is located in insulating cover (33), and the circumference medial surface of insulating cover (33) is equipped with zinc sheet (34).

4. A corrosion-resistant centrifugal horizontal pump according to claim 1, wherein: still include tuber pipe (35), the circumference side of the pump body (3) is located in tuber pipe (35), is equipped with on and off unit (5) on tuber pipe (35), on and off unit (5) including support (51), on and off motor (52), closing plate (53) and sealing washer (54), the circumference side top of tuber pipe (35) is located in support (51), is equipped with in support (51) and opens and close motor (52), be equipped with sealing plate (53) on the output shaft of opening and close motor (52), the circumference side of closing plate (53) is located in sealing washer (54), and the medial surface of sealing washer (54) and tuber pipe (35) mutually support, the input of opening and close motor (52) is connected with the output electricity of PLC controller (21).

5. A corrosion-resistant centrifugal horizontal pump according to claim 4, wherein: still include air heater (22), on base (2) was located in air heater (22), the air outlet of air heater (22) was equipped with second flange (61), the import department of tuber pipe (35) is equipped with first flange (6), and first flange (6) pass through bolt fixed connection with second flange (61), the input of air heater (22) is connected with the output electricity of PLC controller (21).

6. A corrosion-resistant centrifugal horizontal pump according to claim 5, wherein: a sealing unit (7) is arranged at the joint of the first flange (6) and the second flange (61), the sealing unit (7) comprises a first pressing ring (71), an O-shaped ring (72), a second sealing groove (73), a sealing strip (74), a second pressing ring (75) and a first sealing groove (76), wherein the first sealing groove (76) is arranged on the inner side surface of the first flange (6), the O-shaped ring (72) is arranged in the first sealing groove (76), the first pressing ring (71) is arranged on the side surface of the first sealing groove (76), the second pressing ring (75) is arranged on the inner side surface of the circumference of the second flange (61), the second sealing groove (73) is arranged on the side surface of the second pressing ring (75), and the sealing strip (74) is arranged in the second sealing groove (73), and the first pressing ring (71) corresponds to the second sealing groove (73), and the second pressing ring (75) corresponds to the first sealing groove (76).