CN205937903U - Seal valve that high temperature powder was suitable for - Google Patents

Seal valve that high temperature powder was suitable for Download PDF

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Publication number
CN205937903U
CN205937903U CN201620891706.6U CN201620891706U CN205937903U CN 205937903 U CN205937903 U CN 205937903U CN 201620891706 U CN201620891706 U CN 201620891706U CN 205937903 U CN205937903 U CN 205937903U
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China
Prior art keywords
striker plate
valve
high temperature
housing
sealing
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CN201620891706.6U
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Chinese (zh)
Inventor
李国莉
赵玉良
徐鸿钧
姜永涛
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China National Heavy Machinery Research Institute Co Ltd
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China National Heavy Machinery Research Institute Co Ltd
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Abstract

The utility model provides a seal valve that high temperature powder was suitable for, mainly constitute by upper and lower two disk seats, be equipped with a striker plate between two disk seats, the striker plate is removed by connected screw nut sub -control, length through the extension striker plate, when the striker plate is opened, also have partial striker plate to stay the left side of disk seat from top to bottom, can play the switch guide effect of striker plate like this, in the time of preventing that the striker plate from opening again, in the gap about the long -pending income of fine coal between the disk seat, lead to the striker plate to close the inefficacy. This seal valve has two sealing method, firstly guarantees the outer air of valve not in the admission valve through the installation sealing member, and other sealing method adopts the material to seal, and the back is closed to the striker plate, stay high temperature powder on the striker plate can prevent the air from the equipment on the last disk seat get into with the equipment of disk seat intercommunication down, this seal valve sealed reliable.

Description

The sealing valve that high temperature powder is suitable for
Technical field
This utility model belongs to technical field of mechanical transmission and in particular to the applicable sealing valve of high temperature powder, mainly applies On and off between high-temp solid powder apparatus and process section.
Background technology
In fine coal low temperature pyrogenation equipment, high temperature fine coal enters another one equipment from an equipment, in this two equipment Between need install switch valve, this switch valve be used for Flow-rate adjustment, overhaul of the equipments, technique adjustment.Because high temperature fine coal meets oxygen Burning, therefore valve require there is higher sealing, after preventing air from entering, high temperature pulverized coal friring, and there is fire.And valve Door circulation medium is high temperature powder, and therefore valve needs to overcome high temperature deformation, overcomes coal dust to enter valve clearance, causes sealing to lose Effect.It is applied to the valve of powder in the market, is basically used for open type, low temperature environment, no sealing, or sealing is very poor, And high temperature resistant deformability is poor.
Utility model content
The purpose of this utility model is to overcome existing poor, the high temperature resistant deformability of valve tightness being applied to powder poor Problem.
For this reason, this utility model provide high temperature powder be suitable for sealing valve, include sealing housing, also include with respect to and If upper valve base and lower valve base, described upper valve base runs through the upper lid of housing, and lower valve base runs through the lower cover of housing, the following table of upper valve base It is provided with striker plate between face and the upper surface of lower valve base;
It is provided with valve rod, one end of valve rod is cased with travelling nut, and travelling nut is welded as a whole with striker plate, in addition in housing One end is stretched out outside housing and the end at this end is installed with handwheel by locking nut;
Described upper valve base, lower valve base and striker plate are all made using exotic material.
Described striker plate is made up of two parts, and a portion offers the opening by high temperature powder, another part For platy structure, this platy structure and travelling nut welding.
The limited block of two restriction travelling nut displacements is fixed with the inwall of described housing, is limited block one respectively With limited block two, travelling nut be located at two limited blocks between,
When travelling nut moves to the position of limited block one, striker plate is in full opening of state;Travelling nut moves To limited block two position when, striker plate is in completely closed state.
Described valve rod is arranged with end cap stretching out the part outside housing, and end cap is pressed on housing.
The sealing member being enclosed within valve rod is installed between described end cap and housing.
The both sides of described lower valve base offer cleaning door one and cleaning door two respectively.
Between the internal diameter of described upper valve base or lower valve base and two limited blocks, the summation of distance is less than or equal to the length of striker plate Degree.
The beneficial effects of the utility model:This utility model provide this high temperature powder be suitable for sealing valve, mainly by Upper and lower two valve seats composition, is provided with a striker plate, striker plate is by connected screw pair control between two valve seats System moves, and by lengthening the length of striker plate, when striker plate is opened, also part striker plate stays the left side of lower valve base, The switching guide effect of striker plate so can be played, when can prevent striker plate from opening, fine coal amasss the seam into upper and lower valve base chamber again In gap, lead to striker plate to be closed and lost efficacy.This sealing valve has two sealing means, and one is to ensure the outer air of valve by installing sealing member Do not enter in valve, other sealing means are using material envelope, after striker plate is closed, stay high temperature powder on striker plate can in case The equipment that only equipment entrance from upper valve base for the air is connected with lower valve base, the sealed reliable of this sealing valve.
Below with reference to accompanying drawing, this utility model is described in further details.
Brief description
Fig. 1 is the schematic diagram when sealing valve striker plate that high temperature powder is suitable for is closed.
Fig. 2 is the schematic diagram when sealing valve striker plate that high temperature powder is suitable for is opened.
Description of reference numerals:1st, hopper;2nd, housing;3rd, striker plate;4th, cleaning door one;5th, travelling nut;6th, flange;7、 Feed hopper;8th, cleaning door two;9th, handwheel;10th, locking nut;11st, sealing member;12nd, end cap;13rd, valve rod;14th, limited block one; 15th, limited block two;16th, upper valve base;17th, lower valve base.
Specific embodiment
Embodiment 1:
Present embodiments provide the sealing valve that high temperature powder as depicted in figs. 1 and 2 is suitable for, including the housing 2 of sealing, go back Including the upper valve base 16 setting and lower valve base 17 relatively, described upper valve base 16 runs through the upper lid of housing 2, and lower valve base 17 runs through housing 2 lower cover, is provided with striker plate 3 between the upper surface of the lower surface of upper valve base 16 and lower valve base 17;It is provided with valve rod 13 in housing 2, One end of valve rod 13 is cased with travelling nut 5, and travelling nut 5 is welded as a whole with striker plate 3, other end stretch out housing 2 outer and The end at this end is installed with handwheel 9 by locking nut 10;Described upper valve base 16, lower valve base 17 and striker plate 3 are all using resistance to High-temperature material is made.
The operation principle of this sealing valve:Feed screw nut pair is formed by valve rod 13 and travelling nut 5, by the rotation of handwheel 9 Turn, take valve rod 13 to and rotate, travelling nut 5 moves on valve rod 13, drive valve base chamber up and down in housing 2 for the striker plate 3 left Move right, play the effect closing and opening valve.
The installation method of this sealing valve:The top end opening of upper valve base 16 connects hopper 1, the bottom of lower valve base 17 by flange End opening connects feed hopper 7 by flange 6, and when striker plate 3 is opened, the high temperature powder processing through a upper equipment is through blanking Bucket 1 entrance sealing valve, then enters next equipment by feed hopper 7 again;When striker plate 3 is closed, high temperature powder is in hopper 1 Storage, does not flow into feed hopper 7.
Preferably, the exotic material that the present embodiment is selected is rustless steel.
The sealing valve that this high temperature powder that this utility model provides is suitable for, is mainly made up of upper and lower two valve seats, two It is provided with a striker plate, striker plate is moved by connected feed screw nut sub-control, by lengthening striker plate between individual valve seat Length, when striker plate is opened, also part striker plate stays the left side of lower valve base, so can play opening of striker plate Close guide effect, when can prevent striker plate from opening, fine coal amasss in the gap of upper and lower valve base chamber again, lead to striker plate to be closed and lose Effect.The main sealing means of this sealing valve are using material envelope, after striker plate is closed, stay high temperature powder on striker plate can in case The equipment that only equipment entrance from upper valve base for the air is connected with lower valve base, the therefore sealed reliable of this sealing valve;Due to adopting High-temperature material manufactures upper valve base 16, lower valve base 17 and striker plate 3, and therefore this sealing valve solves existing powder simultaneously The problem of valve tightness poor, high temperature resistant deformability difference.
Embodiment 2:
On the basis of embodiment 1, as depicted in figs. 1 and 2, described striker plate 3 is made up of two parts, and a portion is opened It is provided with the opening by high temperature powder, another part is platy structure, this platy structure is welded with travelling nut 5.Striker plate 3 When opening, high temperature powder enters lower valve base 17 by the opening of striker plate 3, and why striker plate 3 is designed as half and has hole Structure, is the switch of striker plate 3 for convenience, and from Fig. 1 and Fig. 2, the length of striker plate 3 is longer, and striker plate 3 is being opened When, still some is stayed between upper and lower two valve seats for the leftmost side of striker plate 3, so can play valve switch guiding and make With when can prevent valve from opening, fine coal amasss in the gap of upper and lower valve base chamber, leads to valve closing to lose efficacy again.
Embodiment 3:
On the basis of embodiment 1, as depicted in figs. 1 and 2, the inwall of described housing 2 is fixed with two and limits movement The limited block of nut 5 displacement, is limited block 1 and limited block 2 15 respectively, travelling nut 5 be located at two limited blocks it Between, when travelling nut 5 moves to the position of limited block 1, striker plate 3 is in full opening of state;Travelling nut 5 is mobile To limited block 2 15 position when, striker plate 3 is in completely closed state.
The limited block 1 of welding and limited block 2 15 in housing 2, are mainly used in machinery limit when travelling nut 5 moves Position, the opening and closing for controlling striker plate 3 put in place, this gives several states of striker plate 3, as above, mobile When nut 5 moves to the position of limited block 1, striker plate 3 is in full opening of state;Travelling nut 5 moves to limited block During 2 15 position, striker plate 3 is in completely closed state;Travelling nut 5 moves to limited block 1 and limited block 2 15 Between when, striker plate 3 is in the state of half-open semi-closure.
Embodiment 4:
On the basis of embodiment 1, described valve rod 13 is arranged with end cap 12 stretching out the part outside housing 2, and end cap 12 is pressed Tightly on housing 2.End cap 12 is used for compressing housing 2 and valve rod 13, can improve the sealing property of sealing valve further.
Embodiment 5:
On the basis of embodiment 4, the sealing member 11 being enclosed within valve rod 13 is installed between described end cap 12 and housing 2. Valve rod 13 operationally rotates, and is therefore provided with sealing member 11 between valve rod 13 and housing 2, and is pressed on end cap 12 In housing, prevent the outer air of valve from entering in valve, and temperature is relatively low herein(Distance high-temperature material is farther out), general sealing member can To meet.
It should be strongly noted that the sealing of this valve includes two parts, Part I is to be protected by installing sealing member 11 The outer air of card valve does not enter in valve;Part II is when striker plate 3 is closed, striker plate 3 hopper 1 also to be ensured and feed hopper Sealing between 7, this spot temperature is higher, and using material envelope, after that is, striker plate 3 is closed, hopper 1 amasss into certain altitude again Material, prevents air from entering feed hopper 7 from hopper 1, conveniently the equipment being connected with feed hopper 7 is overhauled, under that is, material envelope is Reliable guarantee between the equipment of the equipment on hopper 1 and feed hopper 7 lower section.
Embodiment 6:
On the basis of embodiment 1, described housing 2 offers multiple cleaning doors, preferably, as Fig. 1 and Fig. 2 institute Show, the both sides of described lower valve base 17 offer cleaning door 1 and cleaning door 28 respectively.These cleaning doors are used for long-time in valve After have accumulated fine coal, fine coal is cleaned out the effect of valve body.
Embodiment 7:
On the basis of embodiment 1, distance between the internal diameter of described upper valve base 16 or lower valve base 17 and two limited blocks Summation is less than or equal to the length of striker plate 3.From Fig. 1 and Fig. 2, the length of striker plate 3 is longer, and striker plate 3, when opening, keeps off Still some is stayed between upper and lower two valve seats for the leftmost side of flitch 3, so can play valve switch guide effect, and When can prevent valve from opening, fine coal amasss in the gap of upper and lower valve base chamber, leads to valve closing to lose efficacy.
Exemplified as above is only to illustration of the present utility model, does not constitute to protection domain of the present utility model Limit, the every and same or analogous design of this utility model belongs within protection domain of the present utility model.The present embodiment In detail the part of narration and structure do not belong to well-known components and common structure or the conventional means of the industry, do not chat one by one here State.

Claims (7)

1. the sealing valve that high temperature powder is suitable for, including the housing of sealing(2)It is characterised in that:Also include the upper valve setting relatively Seat(16)And lower valve base(17), described upper valve base(16)Run through housing(2)Upper lid, lower valve base(17)Run through housing(2)Under Lid, upper valve base(16)Lower surface and lower valve base(17)Upper surface between be provided with striker plate(3);
Housing(2)Inside it is provided with valve rod(13), valve rod(13)One end be cased with travelling nut(5), travelling nut(5)With striker plate (3)It is welded as a whole, other end stretches out housing(2)Locking nut is passed through in outer and this end end(10)Handwheel is installed(9);
Described upper valve base(16), lower valve base(17)And striker plate(3)All made using exotic material.
2. high temperature powder as claimed in claim 1 be suitable for sealing valve it is characterised in that:Described striker plate(3)By two parts Composition, a portion offers the opening by high temperature powder, and another part is platy structure, this platy structure and movement Nut(5)Welding.
3. high temperature powder as claimed in claim 1 be suitable for sealing valve it is characterised in that:Described housing(2)Inwall on solid Surely there are two restriction travelling nuts(5)The limited block of displacement, is limited block one respectively(14)With limited block two(15), mobile Nut(5)Between two limited blocks,
Travelling nut(5)Move to limited block one(14)Position when, striker plate(3)It is in full opening of state;Mobile spiral shell Female(5)Move to limited block two(15)Position when, striker plate(3)It is in completely closed state.
4. high temperature powder as claimed in claim 1 be suitable for sealing valve it is characterised in that:Described valve rod(13)Stretching out housing (2)Outer part is arranged with end cap(12), end cap(12)It is pressed on housing(2)On.
5. high temperature powder as claimed in claim 4 be suitable for sealing valve it is characterised in that:Described end cap(12)And housing(2) Between be provided with and be enclosed within valve rod(13)On sealing member(11).
6. high temperature powder as claimed in claim 1 be suitable for sealing valve it is characterised in that:Described lower valve base(17)Both sides divide Do not offer cleaning door one(4)With cleaning door two(8).
7. high temperature powder as claimed in claim 3 be suitable for sealing valve it is characterised in that:Described upper valve base(16)Or lower valve base (17)Internal diameter and two limited blocks between distance summation be less than or equal to striker plate(3)Length.
CN201620891706.6U 2016-08-17 2016-08-17 Seal valve that high temperature powder was suitable for Active CN205937903U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620891706.6U CN205937903U (en) 2016-08-17 2016-08-17 Seal valve that high temperature powder was suitable for

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620891706.6U CN205937903U (en) 2016-08-17 2016-08-17 Seal valve that high temperature powder was suitable for

Publications (1)

Publication Number Publication Date
CN205937903U true CN205937903U (en) 2017-02-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090274A (en) * 2016-08-17 2016-11-09 中国重型机械研究院股份公司 The sealing valve that a kind of high temperature powder is suitable for

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090274A (en) * 2016-08-17 2016-11-09 中国重型机械研究院股份公司 The sealing valve that a kind of high temperature powder is suitable for
CN106090274B (en) * 2016-08-17 2018-07-20 中国重型机械研究院股份公司 A kind of sealing valve that high temperature powder is applicable

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