CN209892762U

CN209892762U - Anti-vibration anti-scouring methanol black water angle valve

Info

Publication number: CN209892762U
Application number: CN201920225741.8U
Authority: CN
Inventors: 拜振兴; 黄继强; 闫秦峰; 边胜利; 陈志飞; 陈龙; 何贯亚; 闫卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2020-01-03
Anticipated expiration: 2029-02-22

Abstract

The utility model discloses an anti-vibration scour prevention's methyl alcohol black water angle valve, including the diffusion base, the diffusion base is connected with the valve member, the valve member still is equipped with the surge chamber that feeds through in import runner, be equipped with the valve seat in the export runner, the valve seat inner wall is equipped with the disk seat body, it holds the chamber to be equipped with the valve rod between valve member and the end cover, the valve rod is worn to be equipped with by the stuffing box, the valve rod holds the chamber and is located the stuffing box below and is equipped with sealed pressure cover, first coke cleaning ring and second coke cleaning ring in proper order. The utility model discloses a methanol black water angle valve of scour protection is moved to antidetonation, even the angle valve is in little aperture regulation always when production operation, also can the high-speed erosion effect that causes of greatly reduced black water, scrape the effectual burnt sediment that clears away on the valve rod of material knife hole, the valve body inner wall of laminating as far as of the flow direction of gas, liquid, solid three-phase medium in the valve for the biggest reduction vibrations of angle valve when production operation, reinforcing autologous washing effect.

Description

Anti-vibration anti-scouring methanol black water angle valve

Technical Field

The utility model relates to an angle valve, concretely relates to methyl alcohol black water angle valve.

Background

As is known, a black water angle valve is widely applied to a flash evaporation and grey water treatment system of a coal gasification process, and mainly carries out liquid level regulation and pressure reduction flash evaporation on black water from the bottom of a gasification furnace and a washing tower so as to reduce the temperature of the black water, release soluble gas and concentrate the black water, aiming at the characteristics of high working condition temperature and large pressure drop, a black water regulating valve works in a medium of three-phase flow of gas, liquid and solid at high temperature and high pressure for a long time, the service life of the valve is greatly reduced due to frequent and serious damage to parts in the valve, the internal part structure of a single-seat angle valve is a plunger type valve core, the upper valve cover of the single-seat angle valve is not provided with a special sealing valve rod structure, solid micro particles easily enter a filler through the movement of the valve rod to cause filler abrasion, the solid particles are often blocked at the throttle after being deposited, and the fluid at the throttle is, therefore, the erosion to valve pipe fittings such as valve core and valve seat is serious.

Disclosure of Invention

The purpose of the invention is as follows: an object of the utility model is to prior art not enough, provide a methanol black water angle valve of antidetonation scour prevention, facilitate the use.

The technical scheme is as follows: a methyl alcohol black water angle valve of anti-seismic scour protection, including the diffusion base, the diffusion base is connected with the valve member, the valve member top is connected with the end cover, the valve member includes inlet flow channel, the diffusion base is equipped with the export runner that feeds through in inlet flow channel, the valve member still is equipped with the surge chamber that feeds through in inlet flow channel, be equipped with valve seat in the export runner, valve seat passes through the diffusion base and connects in the valve member, valve seat inner wall is equipped with the disk seat body, it holds the chamber to be equipped with the valve rod between valve member and the end cover, the valve rod holds the intracavity and is equipped with the packing box, the packing box wears to be equipped with the valve rod, the valve rod upwards extends to the end cover outside, downwardly extending connects in the case body, the valve rod holds the chamber and is located, First coke cleaning ring and second coke cleaning ring, first coke cleaning ring surface is equipped with a plurality of recesses that are used for storing up the burnt material, second coke cleaning ring is equipped with the scraper blade hole that runs through, the transversal fusiformis of personally submitting of case body, and it is close to surge chamber one end broad and outside uplift and has the arc convex part, and it is narrower near import runner one end, the longitudinal section of case body is fillet triangle-shaped, case body top to bottom smooth transition gradually and shrink, disk seat body up end profile and the seamless adaptation of case body, the hole face and the outer hole face profile of scraper blade hole are trapezoidal, and the hole face upwards extends to the outer hole face to one side.

The contour line of the longitudinal section of the buffer chamber conforms to the Archimedes' spiral line.

The surfaces of the inlet runner and the outlet runner are provided with tungsten carbide coatings, and the lower part of the valve core body is a surfacing layer of tungsten carbide.

The diffusion base is of a Venturi tube structure.

The included angle between the axial direction of scraping the material sword hole and the vertical direction is 30 ~ 45, and the aperture is crescent from inside to outside, it has 3 ~ 5 to scrape the material sword hole and encircle the second decoking ring.

The groove on the surface of the first coke cleaning ring is a hemispherical notch.

Has the advantages that: the utility model discloses a methyl alcohol black water angle valve of anti-seismic scour prevention, the case body design of dysmorphism structure, even the valve is in little aperture regulation always when the angle valve is in production operation, also can the stereoplasm granule in greatly reduced black aquatic is with the cutting, the erosion effect that the mode that pears ditch and pierce led to the fact the high-speed washing of valve inner part, the effectual burnt sediment of cleaing away on the valve rod of slant run-through scraper hole, the trace burnt sediment that gets into first coke cleaning ring is stored in the recess, effective protection packing box, the longitudinal section contour line is the surge chamber of Archimedes spiral line, make the interior gas of operation valve, liquid, the valve body inner wall is laminated as far as possible to the flow direction of solid three-phase medium, make the biggest reduction vibrations of angle valve when production operation, reinforcing autogenous scouring effect.

Drawings

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

fig. 2 is a top view of the valve core body of the present invention;

fig. 3 is a front view of the valve core body of the present invention;

fig. 4 is a right side view of the valve core body of the present invention;

FIG. 5 is a partial schematic view of portion A of FIG. 1 according to the present invention;

FIG. 6 is a schematic structural view of the scraper hole of the present invention;

fig. 7 is a schematic structural view of the second coke cleaning ring of the present invention.

Detailed Description

The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.

As shown in figures 1 to 7, the utility model discloses a methanol black water angle valve of anti-vibration scour prevention, including diffusion base 1, diffusion base 1 is connected with the valve component, the valve component top is connected with end cover 2, the valve component includes inlet flow channel 3, diffusion base 1 is equipped with the exit flow channel 4 that communicates in inlet flow channel 3, the valve component still is equipped with and communicates in inlet flow channel 3, inlet flow channel 4's surge chamber 5, be equipped with valve seat 6 in the exit flow channel 4, valve seat 6 connects in the valve component through diffusion base 1, the valve seat inner wall is equipped with disk seat body 7, it holds the chamber to be equipped with the valve rod between valve component and the end cover 2, the valve rod holds the intracavity and is equipped with packing box 8, packing box 8 wears to be equipped with valve rod 9, valve rod 9 upwards extends to the end cover 2 outside, downwardly extending is connected in valve core body 10, the valve rod holds, A first coke cleaning ring 12 and a second coke cleaning ring 13, wherein the surface of the first coke cleaning ring 11 is provided with a plurality of grooves 14 for storing coke materials, the second coke cleaning ring 13 is provided with a penetrated scraper hole 15, the cross section of the valve core body 10 is fusiform, one end of the valve core body 10 close to the buffer chamber 5 is wider and is provided with an arc convex part 16 which is bulged outwards, one end of the valve core body close to the inlet flow passage 3 is narrower, the longitudinal section of the valve core body 10 is in a round-corner triangle shape, the top part to the bottom part of the valve core body 10 is gradually and smoothly transited and contracted, the outline of the upper end surface of the valve seat body 7 is in seamless fit with the valve core body 10, the outlines of an inner hole surface 17 and an outer hole surface 18 of the scraper hole 15 are both trapezoidal, the inner hole surface 17 extends obliquely upwards to the outer hole surface 18, wherein alpha is more than 5 degrees and less than 10 degrees, beta is more than 50 degrees and less than 80 degrees, alpha is the included angle between the, the longitudinal section contour line of surge chamber 5 accords with the archimedes's spiral line, inlet runner 3, 4 surfaces of outlet runner are equipped with the tungsten carbide coating, case body 10 lower part is the surfacing layer of tungsten carbide, diffusion base 1 is the venturi structure, the contained angle between axial direction and the vertical direction of scraper knife hole 15 is 30 ~ 45, aperture from interior to exterior crescent, scraper knife hole 15 encircles second decoking ring 13 and is equipped with 3 ~ 5, the recess on first decoking ring 12 surface is half spherical gap.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a methanol black water angle valve of antidetonation scour protection which characterized in that: the coke cleaning device comprises a diffusion base, wherein the diffusion base is connected with a valve component, an end cover is connected above the valve component, the valve component comprises an inlet flow channel, the diffusion base is provided with an outlet flow channel communicated with the inlet flow channel, the valve component is also provided with a buffer chamber communicated with the inlet flow channel and the inlet flow channel, a valve seat is arranged in the outlet flow channel and is connected with the valve component through the diffusion base, the inner wall of the valve seat is provided with a valve seat body, a valve rod accommodating cavity is arranged between the valve component and the end cover, a packing box is arranged in the valve rod accommodating cavity, a valve rod penetrates through the packing box, the valve rod extends upwards to the outside of the end cover and extends downwards and is connected with a valve core body, a sealing pressure sleeve, a first coke cleaning ring and a second coke cleaning ring are sequentially arranged below the packing box in the valve rod accommodating cavity, and, the second coke cleaning ring is provided with a penetrating scraper knife hole, the cross section of the valve core body is in a shuttle shape, an arc convex part is wider and protrudes outwards near one end of the buffer chamber, one end of the valve core body is narrower near one end of the inlet flow passage, the longitudinal section of the valve core body is in a round-corner triangular shape, the top of the valve core body is gradually and smoothly transited to the bottom and is contracted, the contour of the upper end face of the valve seat body is in seamless adaptation with the valve core body, the contour of the inner hole face and the contour of the outer hole face of the scraper knife hole are both trapezoidal, and the inner hole face extends upwards to the outer hole.

2. The shock resistant anti-scour methanol black water angle valve of claim 1, further comprising: the contour line of the longitudinal section of the buffer chamber conforms to the Archimedes' spiral line.

3. The shock resistant anti-scour methanol black water angle valve of claim 1, further comprising: the surfaces of the inlet runner and the outlet runner are provided with tungsten carbide coatings, and the lower part of the valve core body is a surfacing layer of tungsten carbide.

4. The shock resistant anti-scour methanol black water angle valve of claim 1, further comprising: the diffusion base is of a Venturi tube structure.

5. The shock resistant anti-scour methanol black water angle valve of claim 1, further comprising: the included angle between the axial direction of scraping the material sword hole and the vertical direction is 30 ~ 45, and the aperture is crescent from inside to outside, it has 3 ~ 5 to scrape the material sword hole and encircle the second decoking ring.

6. The shock resistant anti-scour methanol black water angle valve of claim 1, further comprising: the groove on the surface of the first coke cleaning ring is a hemispherical notch.