CN214145917U - Acid-resistant sewage pump for silicon steel acid washing - Google Patents
Acid-resistant sewage pump for silicon steel acid washing Download PDFInfo
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- CN214145917U CN214145917U CN202023336027.8U CN202023336027U CN214145917U CN 214145917 U CN214145917 U CN 214145917U CN 202023336027 U CN202023336027 U CN 202023336027U CN 214145917 U CN214145917 U CN 214145917U
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Abstract
The utility model belongs to the technical field of conveying equipment, in particular to an acid-resistant sewage pump for silicon steel pickling, which comprises a pump body, wherein the pump body is provided with a water inlet and a water outlet, the pump body is internally provided with an impeller and a cavity, the pump body is also provided with a spraying mechanism, the spraying mechanism comprises a water tank, a rotating shaft and a motor, the rotating shaft is internally provided with a cavity, one end of the rotating shaft extends out of the water tank and extends into the cavity, and the rotating shaft is provided with a water spraying hole which is communicated with the cavity and is positioned in the cavity; a sealing plate is connected in the water tank in a sliding manner, the rotating shaft penetrates through the sealing plate and is in threaded connection with the sealing plate, and a limiting part is arranged in the water tank; the upper side and the lower side of the water tank are both connected with water inlet pipes, and one-way water inlet valves are arranged on the water inlet pipes; two one-way drain valves which can be communicated with the cavity are arranged on the rotating shaft and are respectively positioned on two sides of the water tank. In this scheme, set up and spray the mechanism, wash, dilute the inside remaining acidizing fluid of sewage pump, avoid the acidizing fluid to remain the corruption pump body, can effectively prolong the life of sewage pump.
Description
Technical Field
The utility model belongs to the technical field of conveying equipment, concretely relates to silicon steel pickling is with acid-resistant sewage pump.
Background
The sewage pump belongs to a centrifugal impurity pump and has various forms: such as a submersible type and a dry type, the most common submersible type is a QW type submersible sewage pump, and the most common dry type is a W type horizontal sewage pump and a WL type vertical sewage pump. The sewage pump is mainly used for conveying sewage, and acid liquor can be conveyed by the sewage pump in the process of pickling silicon steel. Sewage pumps that transport acid are in an acidic environment for a long time and therefore have very high requirements on acid resistance. The existing method for improving the acid resistance of the sewage pump is to perform surface treatment on the sewage pump and cover the acid-resistant material on the surface of the sewage pump. However, the material is corroded after being used for a long time, and the service life of the sewage pump is still required to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a silicon steel pickling is with acid-resistant sewage pump to solve the problem that current sewage pump acid-fast ability still remains to improve.
In order to achieve the above purpose, the utility model discloses a scheme does: the acid-resistant sewage pump for silicon steel pickling comprises a pump body, wherein a water inlet and a water outlet are formed in the pump body, an impeller and a cavity for containing the impeller are arranged in the pump body, a spraying mechanism is also arranged on the pump body, the spraying mechanism comprises a water tank, a rotating shaft rotationally connected in the water tank and a motor for driving the rotating shaft to rotate, a cavity is formed in the rotating shaft, one end of the rotating shaft extends out of the water tank and extends into the cavity, and a water spraying hole which is communicated with the cavity and is positioned in the cavity is formed in the rotating shaft; a sealing plate is connected in the water tank in a sliding manner, the rotating shaft penetrates through the sealing plate and is in threaded connection with the sealing plate, and a limiting part for limiting the rotation of the sealing plate is arranged in the water tank; the upper side and the lower side of the water tank are both connected with water inlet pipes, and one-way water inlet valves are arranged on the water inlet pipes; two one-way drain valves which can be communicated with the cavity are arranged on the rotating shaft and are respectively positioned on two sides of the water tank.
The working principle and the beneficial effects of the scheme are as follows:
after the sewage pump delivers acid liquor, a large amount of acid liquor remains in the pump body, and the pump body is gradually corroded by the acid liquor. After the sewage pump is used, the water inlet pipe is placed into a container filled with clear water, the motor is started to drive the rotating shaft to rotate towards a fixed direction, the sealing plate on the rotating shaft moves downwards along the inner wall of the water tank, the one-way drain valve in the lower part of the water tank is opened, water in the lower part of the water tank enters the cavity and then is discharged from the water spray holes, and the water is sprayed into the cavity from all directions due to the fact that the rotating shaft rotates in the process that the water is discharged from the water spray holes, all positions of the cavity are washed, and acid liquor remained in the cavity is washed away. Meanwhile, the pressure in the upper part of the water tank is reduced, the one-way water inlet valve on the upper water inlet pipe is opened, and external clean water can be supplemented into the upper part of the water tank. When the sealing plate moves to the lower part of the water tank, the moving direction of the sealing plate can be changed by changing the rotating direction of the motor, at the moment, the one-way drain valve in the upper part of the water tank is opened, water in the upper part of the water tank enters the cavity and then is discharged from the water spraying hole, the one-way water inlet valve on the water inlet pipe below is opened, and outside clean water is supplemented into the lower part of the water tank. After the cavity of the pump body is washed clean, the motor is closed. In this scheme, set up and spray the mechanism, can effectually wash inside the sewage pump, wash, dilute the inside residual acidizing fluid of sewage pump, avoid the acidizing fluid to remain the corruption pump body, can effectively prolong the life of sewage pump.
Optionally, the limiting portion is a protruding strip arranged in the water tank, and the sealing plate is provided with a groove penetrating through the protruding strip and connected to the protruding strip in a sliding manner. Under the cooperation of the convex strips and the grooves, the sealing plate can only slide along the inner wall of the water tank and cannot rotate along with the rotating shaft.
Optionally, the water spray holes are provided in plurality, and the plurality of water spray holes are uniformly distributed along the circumferential direction of the rotating shaft. So set up, when the pivot sprayed water, enable water from the all directions blowout of pivot, make the water can be as far as abundant as possible, comprehensive structure such as cavity, impeller of washing the pump body.
Optionally, the water inlet pipe is provided with a threaded joint. The arrangement of the threaded joint facilitates the sealing connection of the water inlet pipe and other pipelines.
Optionally, the impeller is a semi-open impeller, and the blades of the impeller are provided with cutting knives. Drive the cutting knife rotation in the impeller course of operation, the cutting knife can be when carrying long and thin fibre, large granule solid chopped up the fibre solid, effectively reduces the pump body and blockked up the possibility.
Optionally, a sealing gasket attached to the inner wall of the water tank is arranged on the sealing plate. The sealing gasket is arranged, so that the sealing performance between the sealing plate and the water tank can be effectively improved.
Optionally, the spraying mechanism further comprises a controller and a pressure sensor arranged at the bottom of the water tank, and the pressure sensor and the motor are in communication connection with the controller. The controller and other structures are arranged, so that the work of the motor and the movement of the sealing plate are more intelligent and automatic, and the movement of the sealing plate is not required to be controlled manually.
Drawings
FIG. 1 is a sectional view of the acid-resistant sewage pump for pickling silicon steel in the first embodiment of the present invention in the front view direction.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the pump body 10, the water outlet 11, the water inlet 12, the chamber 20, the impeller 30, the cutting knife 31, the motor 40, the water tank 50, the convex strip 51, the rotating shaft 60, the one-way drain valve 61, the cavity 62, the water spray hole 63 and the sealing plate 64.
Example one
This embodiment is substantially as shown in fig. 1: silicon steel pickling is with resistant sour sewage pump, including the pump body 10, it has water inlet 12 and delivery port 11 to open on the pump body 10, is provided with impeller 30 in the pump body 10 and opens the cavity 20 that is used for holding impeller 30, and water inlet 12 all communicates with cavity 20 with delivery port 11. In this scheme, impeller 30 is the semi-open impeller, has cutting knife 31 through screw fixedly connected with on the blade of impeller 30, and cutting knife 31 is mutually perpendicular with the blade of impeller 30. Still be equipped with on the pump body 10 and spray the mechanism, spray the mechanism and include water tank 50, pivot 60 and motor 40, in this embodiment, the motor 40 that uses is waterproof motor, and water tank 50 and motor 40 all weld on the outer wall of pump body 10. The rotating shaft 60 rotates and is connected in the water tank 50 in a sealing manner, two ends of the rotating shaft 60 respectively penetrate through two sides of the water tank 50, and a mechanical sealing structure is arranged at the joint of the rotating shaft 60 and the side wall of the water tank 50. One end of the rotating shaft 60 is connected with an output shaft of the motor 40, and the motor 40 drives the rotating shaft 60 to rotate; the other end of the shaft 60 extends into the chamber 20. The rotating shaft 60 is provided with a cavity 62, the rotating shaft 60 is provided with a plurality of water spraying holes 63 which are communicated with the cavity 62 and are positioned in the cavity 20, and the plurality of water spraying holes 63 are uniformly distributed along the circumferential direction of the rotating shaft 60.
The water tank 50 is slidably and hermetically connected with a sealing plate 64, a limiting part used for limiting the rotation of the sealing plate 64 is arranged in the water tank 50, the limiting part is a convex strip 51 fixed in the water tank 50, a groove which penetrates through the convex strip 51 and is slidably connected to the convex strip 51 is formed in the sealing plate 64, and the sealing plate 64 can only slide along the inner wall of the water tank 50 under the matching of the convex strip 51 and the groove. The sealing plate 64 is adhered with a sealing gasket attached to the inner wall of the water tank 50, and the sealing performance between the sealing plate 64 and the water tank 50 can be effectively improved due to the sealing gasket. The shaft 60 passes through the sealing plate 64 and is threadedly coupled to the sealing plate 64, and the rotation of the shaft 60 drives the sealing plate 64 to move along the inner wall of the water tank 50. The upper and lower sides of the water tank 50 are connected to water inlet pipes (not shown), the two water inlet pipes are respectively located at both sides of the sealing plate 64, and a one-way water inlet valve is installed on the water inlet pipes. Threaded connectors are mounted on one side, away from the water tank 50, of the water inlet pipe, and the water inlet pipe and other pipelines are connected in a sealing mode conveniently through the threaded connectors. Two one-way drain valves 61, one 61 being located in the upper portion of the water tank 50 and the other being located in the lower portion of the water tank 50, are mounted on the shaft 60 and both being capable of communicating with the cavity 62.
After the sewage pump delivers the acid solution, a large amount of acid solution remains in the pump body 10, and the presence of the acid solution gradually corrodes the pump body 10. After the sewage pump is used, a pipeline is connected to the water inlet pipe through a threaded joint, and one end of the pipeline is placed into a container filled with clean water. The motor 40 is started, the motor 40 drives the rotating shaft 60 to rotate towards a fixed direction, the sealing plate 64 on the rotating shaft 60 moves downwards along the inner wall of the water tank 50, the sealing plate 64 extrudes water at the lower part of the water tank 50, the one-way drain valve 61 in the lower part of the water tank 50 is opened, the water in the lower part of the water tank 50 enters the cavity 62 and then is discharged from the water spraying holes 63, the rotating shaft 60 rotates in the process of discharging the water from the water spraying holes 63, the water is sprayed into the cavity 20 from all directions, all positions of the cavity 20 are washed, and acid liquor remained in the cavity 20 is washed away. Meanwhile, the pressure in the upper part of the water tank 50 is reduced, the one-way water inlet valve on the upper water inlet pipe is opened, and the outside clean water can be supplemented into the upper part of the water tank 50. When the sealing plate 64 moves to the lower portion of the water tank 50, the moving direction of the sealing plate 64 can be changed by changing the rotating direction of the motor 40, at this time, the one-way drain valve 61 in the upper portion of the water tank 50 is opened, the water in the upper portion of the water tank 50 enters the cavity 62 and is then discharged from the water spraying hole 63, the one-way inlet valve on the lower inlet pipe is opened, and the outside clean water is replenished into the lower portion of the water tank 50. When the cavity 20 of the pump body 10 is flushed clean, the motor 40 is turned off.
Example two
The present embodiment is different from the first embodiment in that: the spraying mechanism in this embodiment further comprises a controller and a pressure sensor, the pressure sensor is mounted at the bottom of the water tank 50, and the controller is mounted on the pump body 10, in this embodiment, the controller is an ohm dragon controller with a model of CPM 1A-V1. The pressure sensor and the motor 40 are both in communication connection with the controller, the controller is set in advance, when the sealing plate 64 contacts with the pressure sensor to generate pressure, the pressure sensor feeds a signal back to the controller, and the controller controls the motor 40 to change the rotation direction and enables the motor 40 to work for a period of time (the sealing plate 64 moves to the upper part of the water tank 50) and then be closed. The controller and other structures are arranged, so that the work of the motor 40 and the movement of the sealing plate 64 are more intelligent and automatic, and the movement of the sealing plate 64 is not required to be controlled manually.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.
Claims (7)
1. Silicon steel pickling is with acid-resistant sewage pump, including the pump body, be equipped with water inlet and delivery port on the pump body, be equipped with the impeller in the pump body and open the cavity that is used for holding the impeller, its characterized in that: the pump body is also provided with a spraying mechanism, the spraying mechanism comprises a water tank, a rotating shaft and a motor, the rotating shaft is rotatably connected in the water tank, the motor drives the rotating shaft to rotate, a cavity is formed in the rotating shaft, one end of the rotating shaft extends out of the water tank and into the cavity, and a water spraying hole which is communicated with the cavity and is positioned in the cavity is formed in the rotating shaft; a sealing plate is connected in the water tank in a sliding manner, the rotating shaft penetrates through the sealing plate and is in threaded connection with the sealing plate, and a limiting part for limiting the rotation of the sealing plate is arranged in the water tank; the upper side and the lower side of the water tank are both connected with water inlet pipes, and one-way water inlet valves are arranged on the water inlet pipes; two one-way drain valves which can be communicated with the cavity are arranged on the rotating shaft and are respectively positioned on two sides of the water tank.
2. The acid-resistant sewage pump for silicon steel pickling of claim 1, wherein: the limiting part is a raised line arranged in the water tank, and the sealing plate is provided with a groove which passes through the raised line and is connected with the raised line in a sliding way.
3. The acid-resistant sewage pump for silicon steel pickling of claim 2, wherein: the hole for water spraying is equipped with a plurality ofly, and a plurality of hole for water spraying are along the circumference evenly distributed of pivot.
4. The acid-resistant sewage pump for silicon steel pickling of claim 3, wherein: the water inlet pipe is provided with a screwed joint.
5. The acid-resistant sewage pump for silicon steel pickling of claim 4, wherein: the impeller is a semi-open impeller, and a cutting knife is arranged on the blade of the impeller.
6. The acid-resistant sewage pump for silicon steel pickling of claim 5, wherein: the sealing plate is provided with a sealing gasket which is attached to the inner wall of the water tank.
7. The acid-resistant sewage pump for silicon steel pickling of claim 6, wherein: the spraying mechanism further comprises a controller and a pressure sensor arranged at the bottom of the water tank, and the pressure sensor and the motor are in communication connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336027.8U CN214145917U (en) | 2020-12-31 | 2020-12-31 | Acid-resistant sewage pump for silicon steel acid washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336027.8U CN214145917U (en) | 2020-12-31 | 2020-12-31 | Acid-resistant sewage pump for silicon steel acid washing |
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| Publication Number | Publication Date |
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| CN214145917U true CN214145917U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023336027.8U Active CN214145917U (en) | 2020-12-31 | 2020-12-31 | Acid-resistant sewage pump for silicon steel acid washing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115057562A (en) * | 2022-06-15 | 2022-09-16 | 中国农业科学院农业环境与可持续发展研究所 | Biogas slurry drip irrigation pretreatment technology and application thereof |
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2020
- 2020-12-31 CN CN202023336027.8U patent/CN214145917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115057562A (en) * | 2022-06-15 | 2022-09-16 | 中国农业科学院农业环境与可持续发展研究所 | Biogas slurry drip irrigation pretreatment technology and application thereof |
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