CN217815230U

CN217815230U - High-temperature and high-pressure resistant safety valve

Info

Publication number: CN217815230U
Application number: CN202221891872.8U
Authority: CN
Inventors: 熊伟波
Original assignee: Anhui Laian County Xinxing Valve Manufacturing Co ltd
Current assignee: Anhui Laian County Xinxing Valve Manufacturing Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-15
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a high temperature and high pressure resistant relief valve, including relief valve body, ring flange and reinforcement subassembly, the top of relief valve body is equipped with the valve body, it connects to go up to adopt the ring flange between valve body and the relief valve body, the subassembly is consolidated to the external mounting of ring flange, it includes first semi-ring, second semi-ring, the first lantern ring, the second lantern ring and fixture block to consolidate the subassembly, the side of first semi-ring is equipped with the second semi-ring, the first lantern ring of inboard fixed connection of first semi-ring. This high temperature and high pressure resistant relief valve has additionally installed the reinforcement subassembly through the junction at the ring flange, can realize dual reinforcement pressurized effect like this, in case the pressure that relief valve itself bore is when too strong, the condition that the punching press was revealed also can not appear in the junction that can not lead to the ring flange, can compress tightly the joint strength of ring flange by the reinforcement subassembly, has improved the compressive capacity of the junction of this relief valve greatly, overall structure is simple, and the functionality is stronger.

Description

High-temperature and high-pressure resistant safety valve

Technical Field

The utility model relates to a relief valve technical field specifically is high temperature and high pressure resistant relief valve.

Background

Through the retrieval, chinese granted patent number is CN 209587246U's patent, specifically be a high temperature and high pressure resistant relief valve, including valve body and valve gap, the left side body of valve body is first valve body, the right side body of valve body is the second valve body, the last port of first valve body and second valve body all is provided with the valve gap, the valve gap includes the valve gap flange, the connecting support, gland connecting ring seat and gland, valve gap flange department lower surface middle part is equipped with the ejector pin sleeve, the cooperation is inserted and is equipped with the ejector pin in the ejector pin sleeve, the lower part welding of ejector pin has the seal of hemisphere form, beneficial effect does: the utility model discloses well first valve body, second valve body's ejector pin can be adjusted into not the confined pressure of equidimension respectively, and when system pressure was less, one of them ejector pin was bounced, carries out the pressure release, and when system pressure was too big, then the ejector pin in first valve body and the second valve body was bounced simultaneously, carries out the pressure release simultaneously, guarantees the safety of pipe-line system pressure.

The safety valve in the above patent has the following problems in use: the effect of pressure release is reached on the basis of high temperature resistance to the relief valve in the above-mentioned patent, and its essence is the pressure release rather than the threshold value that improves the bearing pressure of valve, will lead to in case the too high and can't be unloaded by the very first time of pressure that the valve bore like this, valve itself will come bearing pressure to lead to because pressure too big and appear the condition of revealing of different degrees easily, the compressive capacity of relief valve itself is not strong.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high temperature and high pressure resistant relief valve has solved the problem that proposes in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: high temperature and high pressure resistant relief valve, including relief valve body, ring flange and reinforcement assembly, the top of relief valve body is equipped with the valve body, it connects to adopt the ring flange to go up between valve body and the relief valve body, the subassembly is consolidated in the external mounting of ring flange, it includes first semi-ring, second semi-ring, first lantern ring, second lantern ring and fixture block to consolidate the subassembly, the side of first semi-ring is equipped with the second semi-ring, the first lantern ring of inboard fixed connection of first semi-ring, the inboard fixed connection second lantern ring of second semi-ring, first lantern ring stack is in the outside of second lantern ring, adopt the stay bolt to connect between first lantern ring and the second lantern ring.

Preferably, a sealing seat is arranged at the top of the upper valve body, and a rotating handle is installed inside the sealing seat.

Preferably, the flange plates are fixed by using stud bolts, through holes are formed in the surfaces of the flange plates, and the stud bolts are arranged inside the through holes.

Preferably, the bottom of the first half ring and the bottom of the second half ring are provided with positioning blocks, the surface of the flange plate is provided with positioning grooves, and the positioning blocks are embedded in the positioning grooves.

Preferably, a clamping groove is formed in the side surface of the first half ring, a clamping block is fixedly connected to the side surface of the second half ring, and the clamping block is embedded in the clamping groove.

(III) advantageous effects

The utility model provides a high temperature and high pressure resistant relief valve. The method has the following beneficial effects:

this high temperature and high pressure resistant relief valve, additionally installed the reinforcement subassembly through the junction at the ring flange, can realize dual reinforced and pressurized effect like this, wherein the stud of ring flange is as first reconnection fixed knot structure, the reinforcement subassembly is as the outside second reconnection fixed knot structure of ring flange, under the prerequisite that the fastening nature of stud descends like this, in case the pressure that relief valve itself bore is too strong, the condition that the punching press was revealed also can not appear in the junction of ring flange, can compress tightly the joint strength of ring flange by the reinforcement subassembly, the pressurized ability of the junction of this relief valve has been improved greatly, overall structure is simple, and is functional stronger.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

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

fig. 3 is a schematic view of a first half-ring structure of the present invention;

fig. 4 is a schematic diagram of a second half-ring structure according to the present invention.

In the figure, a safety valve body-1, an upper valve body-2, a sealing seat-3, a rotating handle-4, a flange-5, a through hole-6, a stud-7, a reinforcing component-8, a first semi-ring-9, a second semi-ring-10, a first sleeve-11, a second sleeve-12, a clamping block-13, a clamping groove-14, a positioning block-15, a positioning groove-16 and a long bolt-17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: high temperature and high pressure resistant relief valve, including relief valve body 1, ring flange 5 and reinforcement subassembly 8, the top of relief valve body 1 is equipped with valve body 2, it adopts ring flange 5 to connect to go up between valve body 2 and the relief valve body 1, the outside installation reinforcement subassembly 8 of ring flange 5, reinforcement subassembly 8 includes first semi-ring 9, second semi-ring 10, first lantern ring 11, second lantern ring 12 and fixture block 13, the side of first semi-ring 9 is equipped with second semi-ring 10, the inboard fixed connection first lantern ring 11 of first semi-ring 9, the inboard fixed connection second lantern ring 12 of second semi-ring 10, first lantern ring 11 superposes in the outside of second lantern ring 12, adopt long bolt 17 to connect between first lantern ring 11 and the second lantern ring 12, through installed reinforcement subassembly 8 in the outside of ring flange 5, can improve the bearing capacity of relief valve ring flange 5 itself, the functional reinforce.

Go up the top of valve body 2 and be equipped with seal receptacle 3, the internally mounted of seal receptacle 3 rotates handle 4, owing to be equipped with seal receptacle 3, has improved the sealing performance between last valve body 2 and the valve rod.

Adopt stud 7 to fix between the ring flange 5, perforation 6 is seted up on the surface of ring flange 5, stud 7 is put into in perforation 6's inside, owing to adopt stud 7 to connect between ring flange 5, the staff of being convenient for installs.

The positioning block 15 is arranged at the bottom of the first half ring 9 and the bottom of the second half ring 10, the positioning groove 16 is formed in the surface of the flange plate 5, the positioning block 15 is embedded in the positioning groove 16, and the positioning block 15 is connected between the first half ring 9 and the second half ring 10, so that the accuracy in installation between the first half ring 9 and the second half ring is improved conveniently.

The side surface of the first half ring 9 is provided with a clamping groove 14, the side surface of the second half ring 10 is fixedly connected with a clamping block 13, the clamping block 13 is embedded in the clamping groove 14, due to the arrangement of the clamping block 13, convenience can be provided when the first half ring 9 and the second half ring 10 are installed, and an accurate positioning effect can be achieved at the first time.

The working principle is as follows: when using this high temperature and high pressure resistant relief valve, only need to install this valve in the junction of pipeline can begin to use, rotate handle 4 by the staff rotation when the operation, thereby drive the inside valve plate of relief valve body 1 and reach the effect closed and opened, simultaneously at the in-process of this relief valve of operation, when the inside liquid medium impact pressure of relief valve is too high, can play the pressurized effect of secondary enhancement by the outside reinforcement subassembly 8 of ring flange 5, avoid when the stud 7 of ring flange 5 is not hard up, the condition that 5 punching press of ring flange that leads to appearing are revealed to too high pressure, after fixing well with adopting stay bolt 17 between the reinforcement subassembly 8, can realize the purpose to 5 secondary reinforcement of ring flange, make the withstand voltage effect that this relief valve itself bore improve greatly, guaranteed that the phenomenon of revealing of different degrees can not appear because of pressure is too high in the operation process.

The utility model discloses a relief valve body 1, go up valve body 2, seal receptacle 3, rotate handle 4, ring flange 5, perforation 6, stud 7, reinforce subassembly 8, first semi-ring 9, second semi-ring 10, first lantern ring 11, second lantern ring 12, fixture block 13, draw-in groove 14, locating piece 15, constant head tank 16, stay bolt 17, the part is the part that general standard or technical personnel in the field know, its structure and principle all are this technical personnel and all can learn the manual or learn through conventional experimental approach through the technique.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. High temperature and high pressure resistant relief valve, its characterized in that: including relief valve body (1), ring flange (5) and reinforcement subassembly (8), the top of relief valve body (1) is equipped with valve body (2), it connects to adopt ring flange (5) between valve body (2) and relief valve body (1), subassembly (8) is consolidated to the external mounting of ring flange (5), it includes first semi-ring (9), second semi-ring (10), first lantern ring (11), the second lantern ring (12) and fixture block (13) to consolidate subassembly (8), the side of first semi-ring (9) is equipped with second semi-ring (10), the first lantern ring (11) of inboard fixed connection of first semi-ring (9), the inboard fixed connection second lantern ring (12) of second semi-ring (10), first lantern ring (11) stack is in the outside of the second lantern ring (12), adopt long bolt (17) to connect between first lantern ring (11) and the second lantern ring (12).

2. The safety valve of claim 1, wherein: go up the top of valve body (2) and be equipped with seal receptacle (3), internally mounted of seal receptacle (3) rotates handle (4).

3. The safety valve of claim 1, wherein: adopt stud (7) to fix between ring flange (5), perforation (6) are seted up on the surface of ring flange (5), stud (7) are put into the inside at perforation (6).

4. The safety valve of claim 1, wherein: positioning blocks (15) are arranged at the bottoms of the first half ring (9) and the second half ring (10), positioning grooves (16) are formed in the surface of the flange plate (5), and the positioning blocks (15) are embedded in the positioning grooves (16).

5. The safety valve of claim 1, wherein: a clamping groove (14) is formed in the side surface of the first half ring (9), a clamping block (13) is fixedly connected to the side surface of the second half ring (10), and the clamping block (13) is embedded into the clamping groove (14).