CN216382714U

CN216382714U - Automatic pressure release valve of polycrystal ingot furnace

Info

Publication number: CN216382714U
Application number: CN202121081194.4U
Authority: CN
Inventors: 张力峰; 朱庆龙; 邹文龙; 杨定勇
Original assignee: Yangzhou Jingying Photoelectric Technology Co ltd
Current assignee: Yangzhou Jingying Photoelectric Technology Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-04-26
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses an automatic pressure relief valve of a polycrystalline ingot furnace, belonging to the technical field of polycrystalline ingot furnaces, comprising a valve body, wherein the upper side of the valve body is connected with a pressure relief pipe, the pressure relief pipe is a hollow cylinder, the lower end of the pressure relief pipe penetrates through the upper wall of the valve body and extends into the valve body, the upper end of the pressure relief pipe is connected with a sealing cover, a leak-proof gasket is arranged at the joint of the sealing cover and the pipe orifice at the upper end of the pressure relief pipe, the left end and the right end of the sealing cover are both connected with springs, the lower ends of the two springs are both connected with fixed rods, the lower ends of the two fixed rods are both connected with fixed plates, the two bolts both penetrate through the inner parts of the adjacent fixed plates and extend into the valve body, the valve body can complete automatic pressure relief without manually adjusting the valve through the combined action of the two springs, the sealing cover, the two fixed rods, the two fixed plates and the two bolts, the air tightness of the valve body is guaranteed, and external water vapor is not easy to enter the valve body.

Description

Automatic pressure release valve of polycrystal ingot furnace

Technical Field

The utility model relates to the technical field of polycrystalline ingot furnaces, in particular to an automatic pressure release valve of a polycrystalline ingot furnace.

Background

The polysilicon ingot furnace is mainly used for large-scale production of solar-grade polysilicon ingots, adopts an advanced polysilicon directional solidification technology, directionally condenses and crystallizes silicon materials after high-temperature melting through a special process, thereby meeting the requirement of polysilicon quality for solar cell production, and is intelligent large-scale production equipment which is suitable for long-time continuous operation and has high precision, high reliability and high automation degree.

When the internal pressure of the polycrystalline silicon ingot furnace is overlarge, a pressure release valve is often needed, and the conventional pressure release valve is inconvenient to adjust by hand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic pressure release valve for a polycrystalline silicon ingot furnace, which aims to solve the problem that the conventional pressure release valve for the polycrystalline silicon ingot furnace needs to be manually adjusted.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automatic relief valve of polycrystal ingot furnace, includes the valve body, the valve body upside is connected with the pressure release pipe, the pressure release pipe is hollow cylinder, inside the pressure release pipe lower extreme runs through the valve body upper wall and extends to the valve body, pressure release pipe upper end is connected with the closing cap, the closing cap is equipped with the leak protection packing ring with pressure release pipe upper end mouth of pipe junction, both ends all are connected with the spring about the closing cap, two the spring lower extreme all is connected with the dead lever, two the dead lever lower extreme all is connected with the fixed plate, two the inside equal spiro union of fixed plate has the bolt, two the bolt all runs through the fixed plate that is close to mutually inside and extends to the valve body, two the bolt is equipped with the locking packing ring with the junction of valve body.

Preferably, the valve body inner chamber transverse connection has the diaphragm, the diaphragm lower extreme is equipped with the rivers passageway, the rivers passageway right-hand member is equipped with the rivers export, the rivers passageway runs through the valve body inside and extends to the valve body and controls the two walls outside, rivers passageway left end upper side is equipped with flow control valve, the flow control valve upper end is equipped with rivers entry.

Preferably, the inner wall of the inner cavity of the valve body is sprayed with a corrosion-resistant layer.

Preferably, the pressure relief pipe lower port is connected with the diaphragm upper wall.

Preferably, the lower wall of the sealing cover is fixedly connected with the upper wall of the leakproof gasket.

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

1) through the combined action of the two springs, the sealing cover, the two fixing rods, the two fixing plates and the two bolts, the valve body can complete automatic pressure relief without manually adjusting the valve.

2) Through the combined action of the locking washer and the leakage-proof washer, the air tightness of the valve body is ensured, and external water vapor is not easy to enter the valve body.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a valve body 1, a water flow channel 2, a diaphragm 3, a water flow inlet 4, a flow control valve 5, a water flow outlet 6, a pressure relief pipe 7, a fixing plate 8, a fixing rod 9, a bolt 10, a locking washer 11, a spring 12, a sealing cover 13 and a leakage-proof washer 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an automatic relief valve of polycrystal ingot furnace, includes

valve body

1, 1 upside of valve body is connected with pressure release pipe 7, pressure release pipe 7 is the cavity cylinder, 7 lower extremes of pressure release pipe run through 1 upper wall of valve body and extend to 1 inside of valve body, 7 upper ends of pressure release pipe are connected with closing cap 13, closing cap 13 is equipped with leak protection packing ring 14 with 7 upper end mouth of pipe junctions of pressure release pipe, both ends all are connected with spring 12, two about closing cap 13 spring 12 lower extreme all is connected with dead lever 9, two dead lever 9 lower extreme all is connected with fixed plate 8, two 8 inside equal spiro unions of fixed plate have bolt 10, two bolt 10 all runs through 8 inside and extend to 1 inside of valve body that are close to mutually two the junction of bolt 10 and valve body 1 is equipped with locking packing ring 11.

Wherein, 1 inner chamber transverse connection of valve body has

diaphragm

3, 3 lower extremes of diaphragm are equipped with

rivers passageway

2, 2 right-hand members of rivers passageway are equipped with rivers export 6, rivers passageway 2 runs through 1 inside and extends to two walls outsides about

valve body

1, 2 left ends upper sides of rivers passageway are equipped with

flow control valve

5, 5 upper ends of flow control valve are equipped with rivers entry 4, 1 inner chamber inner wall spraying of valve body has the corrosion-resistant layer, 7 lower ports of pressure release pipe and 3 wall connections of diaphragm, 13 lower walls of closing cap and 14 upper wall fixed connection of leak protection packing ring.

The working principle is as follows: the flow control valve 5 is opened, water flow enters the water flow channel 2 through the water flow inlet 4, the water flow channel 2 inside the valve body 1 is discharged from the water flow outlet 6 after passing through the water flow, when the pressure is too high and needs to be relieved, high-pressure water vapor is discharged upwards through the pressure relief pipe 7, the sealing cover 13 is jacked up under the action of the two springs 12, the high-pressure water vapor is discharged after the sealing cover 13 is jacked up, the internal pressure of the high-pressure water vapor is normal after a part of the high-pressure water vapor is discharged, and the sealing cover 13 blocks the pipe opening of the pressure relief pipe 7 under the action of the two springs 12.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic relief valve of polycrystal ingot furnace, includes valve body (1), its characterized in that: the upper side of the valve body (1) is connected with a pressure relief pipe (7), the pressure relief pipe (7) is a hollow cylinder, the lower end of the pressure relief pipe (7) penetrates through the upper wall of the valve body (1) and extends into the valve body (1), the upper end of the pressure relief pipe (7) is connected with a sealing cover (13), a leakproof gasket (14) is arranged at the joint of the sealing cover (13) and the upper end pipe orifice of the pressure relief pipe (7), both ends all are connected with spring (12), two about closing cap (13) spring (12) lower extreme all is connected with dead lever (9), two dead lever (9) lower extreme all is connected with fixed plate (8), two inside equal spiro union of fixed plate (8) has bolt (10), two bolt (10) all run through fixed plate (8) that are close to mutually inside and extend to valve body (1) inside, two bolt (10) are equipped with lock washer (11) with the junction of valve body (1).

2. The automatic pressure relief valve of the polycrystalline ingot furnace according to claim 1, characterized in that: valve body (1) inner chamber transverse connection has diaphragm (3), diaphragm (3) lower extreme is equipped with rivers passageway (2), rivers passageway (2) right-hand member is equipped with rivers export (6), rivers passageway (2) run through valve body (1) inside and extend to the valve body (1) and control two walls outside, rivers passageway (2) left end upper side is equipped with flow control valve (5), flow control valve (5) upper end is equipped with rivers entry (4).

3. The automatic pressure relief valve of the polycrystalline ingot furnace according to claim 1, characterized in that: the inner wall of the inner cavity of the valve body (1) is coated with a corrosion-resistant layer.

4. The automatic pressure relief valve of the polycrystalline ingot furnace according to claim 2, characterized in that: the lower port of the pressure relief pipe (7) is connected with the upper wall of the diaphragm (3).

5. The automatic pressure relief valve of the polycrystalline ingot furnace according to claim 1, characterized in that: the lower wall of the sealing cover (13) is fixedly connected with the upper wall of the leakage-proof gasket (14).