Hydraulic high-pressure ore pulp gate valve
By setting an inclined scraper and an inclined bottom wall structure at the lower end of the gate, combined with hydraulic drive, automatic cleaning of the slurry gate valve is achieved, solving the blockage problem and ensuring the normal operation and convenient cleaning of the gate valve.
Patent Information
- Application Number
- CN202423244698.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Slurry gate valves are prone to blockage due to the adhesion of fine solid particles during use, which affects normal operation.
A first scraper and a second scraper are installed at the lower end of the gate. The scraper is designed with an inclined surface. Combined with the inclined structure of the bottom wall of the valve cavity, the attachment is automatically scraped off by the up and down movement of the gate. The base is disassembled for local cleaning.
It effectively reduces gate valve blockage, ensures the normal use of gate valves, and has a simple structure that is easy to clean.
Smart Images
Figure CN223881744U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of ore pulp gate valve, especially relates to a hydraulic high pressure ore pulp gate valve. BACKGROUND
[0002] Ore pulp gate valve is a kind of very important equipment in industrial field, especially in mining, metallurgy, coal, chemical industry and electric power industry, is used to control the flow of the fluid containing solid particles. But, due to the existence of some small solid particle matters, it is inevitable to adhere to the inner wall of the gate valve when flowing, and the blockage condition is caused by day and month accumulation, affects the normal use of gate valve. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a hydraulic high pressure ore pulp gate valve not easy to block.
[0004] In order to realize the above-mentioned utility model purpose, the hydraulic high pressure ore pulp gate valve of the utility model adopts the following technical scheme:
[0005] A kind of hydraulic high pressure ore pulp gate valve, including valve body, first flange seat and second flange seat are equipped at the both ends of valve body;Valve cavity is equipped in the valve body, first flange seat is equipped with pulp channel that connects valve cavity, second flange seat is equipped with pulp channel that connects valve cavity;Gate is equipped in the valve cavity, and the valve body is equipped with driving device for driving gate lifting;The upper end of gate is connected driving device, and the lower end of gate is provided with first scraper and second scraper, first scraper is arranged on the side face of gate opposite first flange seat, and second scraper is arranged on the side face of gate opposite second flange seat;One side of first scraper is connected with gate, one side of second scraper is connected with gate, and the other three sides of second scraper are all in contact with the side wall of valve cavity;The side wall of valve cavity is set as vertical plane.
[0006] Preferably, the upper surface of the first scraper is set as the first inclined surface, and the end of the first inclined surface connected with the gate is the higher inclined end;The upper surface of the second scraper is set as the second inclined surface, and the end of the second inclined surface connected with the gate is the higher inclined end.By setting the upper surface of the first scraper as the first inclined surface, when scraping the side wall of the valve cavity, the adhering matter scraped off can slide down along the first inclined surface if it accumulates on the first inclined surface;Similarly, the adhering matter scraped off by the second scraper can also slide down along the second inclined surface if it accumulates on the second inclined surface.
[0007] Preferably, the lower surface of the first scraper leaves a first spacing with the bottom wall of the valve cavity when the gate valve is closed, and the lower surface of the second scraper leaves a second spacing with the bottom wall of the valve cavity when the gate valve is closed. By setting the first spacing and the second spacing, the adhering substances scraped are prevented from adhering to the bottom wall of the first scraper and the second scraper, thereby avoiding the influence of the above-mentioned adhering substances on the contact between the gate plate and the bottom wall of the valve cavity, and further ensuring the normal closing of the gate valve.
[0008] Preferably, the first scraper and the second scraper are both arranged in a frame structure. Arranging the first scraper and the second scraper in a frame structure avoids the accumulation of the adhering substances scraped on the first scraper and the second scraper.
[0009] Preferably, the bottom of the valve body is detachably mounted with a base, the upper surface of the base is the bottom wall of the valve cavity, the bottom wall of the valve cavity is arranged as an inclined bottom wall, the higher end of the inclination of the inclined bottom wall is connected to the bottom wall of the inlet channel, and the lower end of the inclination of the inclined bottom wall is connected to the bottom wall of the outlet channel. By arranging the inclined bottom wall, the adhering substances scraped can be quickly discharged from the valve cavity.
[0010] Preferably, the bottom of the gate plate is provided with an inclined structure matched with the inclined bottom wall, and the gate plate is in contact with the inclined bottom wall in the closed state of the gate valve.
[0011] Preferably, the lower end of the base is provided with a mounting edge, and the fastener is fixedly mounted on the valve body through the mounting edge. By arranging the detachable base, the base can be cleaned separately, and the detachable base is convenient to install and dismount.
[0012] Preferably, the driving device is a hydraulic driving device.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The utility model discloses a gate valve, which comprises a valve body, a gate plate and a driving device, wherein the gate plate is arranged in the valve body and is connected with the driving device, and the gate plate is arranged to be capable of moving up and down in the valve body. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure schematic view of the gate valve of the utility model;
[0016] Figure 2 It is a side view of Figure 1
[0017] Figure 3 It is A-A sectional view of Figure 1
[0018] Figure 4 Structure diagram for opening of the gate valve;
[0019] Figure 5 Structure diagram for installation of the gate, the first scraper and the second scraper.
[0020] Wherein, 1 is a pulp inlet channel, 2 is a first flange seat, 3 is a valve cavity, 4 is a driving device, 5 is a valve body, 6 is a second flange seat, 7 is a pulp outlet channel, 8 is a fastener, 9 is a second spacing, 10 is a base, 10a is an inclined bottom wall, 10b is a mounting edge, 11 is a first spacing, 12 is a gate, 12a is an inclined structure, 13 is a first scraper, 13a is a first inclined surface, 14 is a second scraper, and 14a is a second inclined surface. DETAILED DESCRIPTION
[0021] The present application will be further illustrated by the following specific embodiments, which are only used to illustrate the present application and not used to limit the scope of the present application. After reading the present application, those skilled in the art can make various equivalent modifications to the present application, which all fall within the scope defined by the appended claims.
[0022] As Figures 1-5As shown, a kind of liquid high-pressure slurry gate valve, including valve body 5, the first flange seat 2 and the second flange seat 6 are equipped at the both ends of valve body 5;Valve cavity 3 is equipped in valve body 5, the first flange seat 2 is equipped with the slurry inlet channel 1 that connects valve cavity 3, and the second flange seat 6 is equipped with the slurry outlet channel 7 that connects valve cavity 3;Valve cavity 3 is equipped with gate 12, and valve body 5 is equipped with the drive device 4 of driving gate 12 to lift, and drive device 4 is hydraulic drive device;The upper end of gate 12 is connected drive device 4, and the lower end of gate 12 is provided with first scraper 13 and second scraper 14, and first scraper 13 and second scraper 14 are both provided as frame type structure, and first scraper 13 is arranged at the side of gate 12 opposite to the first flange seat 2, and second scraper 14 is arranged at the side of gate 12 opposite to the second flange seat 6;The upper surface of first scraper 13 is provided as first inclined surface 13a, and the end of first inclined surface 13a connected with gate 12 is the higher end of inclination;The upper surface of second scraper 14 is provided as second inclined surface 14a, and the end of second inclined surface 14a connected with gate 12 is the higher end of inclination;The lower surface of first scraper 13 leaves first spacing 11 between the bottom wall of valve cavity 3 when gate valve is closed, and the lower surface of second scraper 14 leaves second spacing 9 between the bottom wall of valve cavity 3 when gate valve is closed;One side of first scraper 13 is connected with gate 12, one side of second scraper 14 is connected with gate 12, and the other three sides of second scraper 14 all contact the side wall of valve cavity 3;The side wall of valve cavity 3 is provided as vertical plane;The bottom of valve body 5 can be detachably installed with base 10, and the lower end of base 10 is provided with installation edge 10b, and fastener 8 is fixedly installed on valve body 5 by passing through installation edge 10b;The upper surface of base 10 is the bottom wall of valve cavity 3, and the bottom wall of valve cavity 3 is provided as inclined bottom wall 10a, and the higher end of inclination of inclined bottom wall 10a is butted with the bottom wall of slurry inlet channel 1, and the lower end of inclination of inclined bottom wall 10a is butted with the bottom wall of slurry outlet channel 7;The bottom of gate 12 is provided with inclined structure 12a matched with inclined bottom wall 10a, and gate 12 is contacted with inclined bottom wall when gate valve is closed.
[0023] The specific working process and principle of the utility model are: when the gate valve is opened, the hydraulic driving device drives the gate plate 12 to move upward, fluid enters the valve cavity 3 from the pulp inlet channel 1, and then flows out through the pulp outlet channel 7; when the gate valve is closed, the gate plate 12 is driven by the hydraulic driving device to extend into the valve cavity 3, and the bottom of the gate plate 12 is in contact with the bottom wall of the valve cavity 3; the normal opening and closing action of the gate valve drives the gate plate 12 to move up and down, thereby driving the first scraper 13 and the second scraper 14 to scrape the side wall of the valve cavity 3, and the attachments on the side wall of the valve cavity 3 are scraped off, and the attachments are directly dropped into the bottom wall of the valve cavity 3 after being scraped off; since the bottom wall of the valve cavity 3 is provided as the inclined bottom wall 10a, the scraped attachments can slide along the inclined bottom wall 10a and fall into the pulp outlet channel 7, and at the same time, the scraped attachments can also be discharged when the fluid is conveyed; and the gate valve can also be flushed by water, and the attachments on the side wall of the valve cavity 3 are scraped clean through repeated scraping actions of the first scraper 13 and the second scraper 14; if the attachments at the bottom of the valve cavity 3 are difficult to flush, the base 10 can be directly disassembled for local cleaning, and the base 10 is convenient to disassemble and install; the utility model effectively reduces the blocking phenomenon, and the local disassembly and cleaning are also very convenient.
[0024] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0025] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connection", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model by the person skilled in the art according to the specific situation.
[0026] The above description shows and describes the preferred embodiments of the present application, as mentioned before, it should be understood that the present application is not limited to the form disclosed herein, should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the application conceived herein, through the above teaching or related art or knowledge. The changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the present application, and should be within the protection scope of the claims of the present application.
Claims
1. A hydraulic high pressure pulp gate valve characterized by: The valve body is provided with a first flange seat and a second flange seat at two ends thereof; the valve body is provided with a valve cavity; the first flange seat is provided with a pulp inlet channel connected to the valve cavity; the second flange seat is provided with a pulp outlet channel connected to the valve cavity; the valve cavity is provided with a gate plate; the valve body is provided with a driving device for driving the gate plate to lift; the upper end of the gate plate is connected to the driving device; the lower end of the gate plate is provided with a first scraper and a second scraper; the first scraper is arranged on the side of the gate plate opposite to the first flange seat; the second scraper is arranged on the side of the gate plate opposite to the second flange seat; one side of the first scraper is connected to the gate plate; one side of the second scraper is connected to the gate plate; the other three sides of the second scraper are in contact with the side wall of the valve cavity; the side wall of the valve cavity is arranged as a vertical plane.
2. The hydrodynamic high pressure slurry gate valve according to claim 1, characterized in that: The upper surface of the first scraper is arranged as a first inclined surface; one end of the first inclined surface connected to the gate plate is an inclined higher end; the upper surface of the second scraper is arranged as a second inclined surface; one end of the second inclined surface connected to the gate plate is an inclined higher end.
3. The hydrodynamic high pressure slurry gate valve according to claim 1, characterized in that: The lower surface of the first scraper is provided with a first gap between the valve cavity bottom wall when the gate valve is closed; the lower surface of the second scraper is provided with a second gap between the valve cavity bottom wall when the gate valve is closed.
4. The hydrodynamic high pressure slurry gate valve according to claim 1, characterized in that: The first scraper and the second scraper are both arranged as a frame structure.
5. The hydrodynamic high pressure slurry gate valve according to claim 1, characterized in that: The bottom of the valve body is detachably mounted with a base; the upper surface of the base is the bottom wall of the valve cavity; the bottom wall of the valve cavity is arranged as an inclined bottom wall; the inclined higher end of the inclined bottom wall is connected to the bottom wall of the pulp inlet channel; the inclined lower end of the inclined bottom wall is connected to the bottom wall of the pulp outlet channel.
6. The hydrodynamic high pressure slurry gate valve according to claim 5, characterized in that: The bottom of the gate plate is provided with an inclined structure matched with the inclined bottom wall; the gate plate is in contact with the inclined bottom wall when the gate valve is closed.
7. The hydrodynamic high pressure slurry gate valve according to claim 5, characterized in that: The lower end of the base is provided with a mounting edge; a fastener passes through the mounting edge to fixedly mount the base on the valve body.
8. The hydrodynamic high pressure slurry gate valve according to claim 1, characterized in that: The driving device is a hydraulic driving device.