CN103375616A - Novel speed reducing control valve - Google Patents
Novel speed reducing control valve Download PDFInfo
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- CN103375616A CN103375616A CN2012101198472A CN201210119847A CN103375616A CN 103375616 A CN103375616 A CN 103375616A CN 2012101198472 A CN2012101198472 A CN 2012101198472A CN 201210119847 A CN201210119847 A CN 201210119847A CN 103375616 A CN103375616 A CN 103375616A
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- control valve
- speed control
- valve
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- valve assembly
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Abstract
The invention relates to a novel speed reducing control valve which comprises an adjusting valve component and a backpressure damping accessory which are integrated with each other. One end of the adjusting valve component is connected with an inlet pipeline, and the other end thereof is communicated with one end of the backpressure damping accessory through a transition pipe accessory. The backpressure damping accessory is connected with an outlet pipeline. The adjusting valve component comprises an integral sleeve which is mounted in an inner cavity of the adjusting valve component. By the novel speed reducing control valve, pressure difference can be generated, downstream pressure of the adjusting valve component can be increased to allow pressure drop of an adjusting valve to reduce, and flow speed and noise of the adjusting valve component can be lowered.
Description
Technical field
The present invention relates to the modulating valve field, relate in particular to a kind of novel reduction of speed control valve.
Background technique
The reduction of speed control valve is specially adapted to gas emptying operating mode, and for example surge resistance of air compressor is regulated and the oxygen emptying occasion.During gas emptying, be barometric pressure behind the valve, the larger and maximum flow of the pressure drop on the valve is very large.Often be accompanied by very large noise during emptying, and the valve that brings of high flow rate medium and the vibration of pipeline.During oxygen emptying, the too high meeting of flow velocity causes blast.
What traditional valve technology was paid attention to is the ability that improves the ability of the anti-high flow rate of valve itself and reduce noise, and valve plant provides valve, and the user installs a damping baffler before outlet conduit.Best traditional scheme is that the mazy type sleeve adds the damping baffler, and the type selecting of valve and baffler is separate in such combination.The mazy type sleeve has certain effect at the solution noise, but can not solve well the flow velocity problem; And the damping baffler also mainly is the problem that solves noise, and the dividing potential drop in damping is very little, so that the pressure drop on the valve does not have anything to change, can not improve the flow velocity on the valve.So so that in the practical application, the velocity of medium on valve and the pipeline is very high, and obvious vibration is arranged.
Summary of the invention
For the problem of above-mentioned existence, the purpose of this invention is to provide a kind of novel reduction of speed control valve, can produce pressure difference, raise the downstream pressure of valve assembly, so that the pressure drop on the modulating valve reduces, reduce flow velocity and the noise of valve assembly.
The objective of the invention is to be achieved through the following technical solutions:
A kind of novel reduction of speed control valve, wherein, comprise valve assembly, also comprise the Back Pressure Damping annex, described valve assembly and described Back Pressure Damping annex integrated setting, one end of described valve assembly is connected with inlet pipe, and the other end of described valve assembly is connected with an end of described Back Pressure Damping annex by the transition tube annex, and described Back Pressure Damping annex is connected with outlet conduit; Described valve assembly comprises the integral type sleeve, and described sleeve is installed in the inner chamber of described valve assembly.
Above-mentioned novel reduction of speed control valve, wherein, described valve assembly comprises following structure: valve body, described valve body is connected with valve gap; Valve rod, described valve rod are arranged among the cavity in the described valve gap, and the bottom of described valve rod is fixed on the spool.
Above-mentioned novel reduction of speed control valve wherein, also comprises compensating cylinder, and described compensating cylinder is connected with described sleeve.
Above-mentioned novel reduction of speed control valve, wherein, described compensating cylinder is connected by seal ring seal with described sleeve.
Above-mentioned novel reduction of speed control valve wherein, is provided with the stuffing box annex in the cavity of the upper end of described valve gap.
Above-mentioned novel reduction of speed control valve, wherein, described Back Pressure Damping parts comprise left flange and right flange, described left flange and described right flange are installed as one by the first fastening piece; Between described left flange and described right flange, by pad one damping plate is installed.
Above-mentioned novel reduction of speed control valve, wherein, described damping plate is the porous damping plate.
Above-mentioned novel reduction of speed control valve, wherein, described transition tube annex comprises flange, described flange is connected with described valve assembly by the second fastening piece, between described transition tube flange and described valve assembly pad is installed also; Also comprise transition conduit, described transition conduit is connected with described Back Pressure Damping parts.
Compared with the prior art, beneficial effect of the present invention is:
1. working life and the Safety performance of product have been improved.
2. under each operating point, control valve is in suitable aperture.
3. reduced the cost of production of product.
4. improved the operating environment of equipment.
5. leakage class can realize firmly sealing V level, soft seal VI level.
Description of drawings
Fig. 1 is the structural representation of a kind of novel reduction of speed control valve of the present invention;
Fig. 2 is the structural representation of the transition pipeline fittings in a kind of novel reduction of speed control valve of the present invention;
Fig. 3 is the structural representation of the valve assembly in a kind of novel reduction of speed control valve of the present invention;
Fig. 4 is the structural representation of the Back Pressure Damping annex in a kind of novel reduction of speed control valve of the present invention.
Embodiment
The invention will be further described below in conjunction with schematic diagram and specific operation embodiment.
As shown in fig. 1, a kind of novel reduction of speed control valve, this novel reduction of speed control valve mainly contain the three parts composition: valve assembly 1, transition pipeline department enclosure 2 and Back Pressure Damping annex 3.Wherein, valve assembly 1 and Back Pressure Damping annex 3 integrated setting, adopt integrated Selection and Design, reduced the flow velocity of control valve and pipeline, solved the high problem of traditional prevention and control valve products velocity of medium, and can determine accurate aperture and the flow speed value of this reduction of speed control valve under each operating point, usability is reliable, safety, improve working life and the Safety performance of product, reduced the vibration of pipeline.And, one end 11 of valve assembly 1 is installed in the medium inlet end, is connected with inlet pipe annex 41, and the other end is connected with an end of Back Pressure Damping annex 3 by transition tube annex 2, Back Pressure Damping annex 3 is installed in the outlet conduit end, is connected with outlet conduit annex 42.
Further, as shown in Figure 2, transition tube annex 2 comprises flange 21, and flange 21 is installed with valve assembly 1 by the second fastening piece 22 and is connected, and between flange 21 and valve assembly 1 pad 23 is installed also, plays better sealing effect by this pad 23; Also comprise transition conduit 24, transition conduit 24 is connected with Back Pressure Damping parts 3.
In one embodiment of the invention, as shown in Figure 3, the inner parts structure of this valve assembly 1 is as follows: valve body 11, and valve body 11 is connected with valve gap 12; Sleeve 2, sleeve 2 is the integral type sleeve, and particularly, sleeve 2 comprises sealing surface of seat, and valve seat and sleeve become a part; In addition, also comprise spool 14, seal between this spool 14 and the sleeve 2 and contact; At sleeve 2 compensating cylinder 15 is installed, wherein, can crosses seal ring 16 between this compensating cylinder 15 and the sleeve 2 and be tightly connected; The two ends of compensating cylinder 15 are installed on the valve body 11 by pad 17.Also be provided with valve rod 13 in this valve assembly 1, valve rod 13 is arranged among the cavity in the valve gap 12, the bottom of valve rod 13 is fixed on the spool 14, and, in the cavity of placing valve rod 13, stuffing box annex 18 is set, by the close contact between the filler in the stuffing box annex 18 and the valve rod 13, reach the function of sealing, prevent the leakage of medium.
In the present invention, this valve assembly 1 adopts one-level noise-reducing type inner parts structure, further reduces the noise of valve assembly 1.In addition, adopt balanced type linear sealing structure in this valve assembly 1, leakage class can reach hard sealing V level, the level of soft seal VI level.Further, this valve assembly 1 has adopted the integral type sleeve, and this integral type sleeve has lacked a valve seat than traditional telescoping valve, and need not adopt mazy type sleeve or multi-stage sleeve internals, has saved material and the processing cost of valve assembly 1.
In one embodiment of the invention, as shown in Figure 4, Back Pressure Damping annex 3 comprises left flange 31 and right flange 32, and left flange 31 and right flange 32 are installed as one by one first fastening piece 33; Between left flange 31 and right flange 32, by pad 34 a porous damping plate 35 is installed.This Back Pressure Damping annex 3 is more simple in structure than conventional muffler, has saved cost and easy for installation.
More than specific embodiments of the invention are described in detail, but the present invention is not restricted to specific embodiment described above, it is just as example.To those skilled in the art, any equivalent modifications and alternative also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of having done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (8)
1. novel reduction of speed control valve, it is characterized in that, comprise valve assembly, also comprise the Back Pressure Damping annex, described valve assembly and described Back Pressure Damping annex integrated setting, one end of described valve assembly is connected with inlet pipe, and the other end of described valve assembly is connected with an end of described Back Pressure Damping annex by the transition tube annex, and described Back Pressure Damping annex is connected with outlet conduit; Described valve assembly comprises the integral type sleeve, and described sleeve is installed in the inner chamber of described valve assembly.
2. novel reduction of speed control valve according to claim 1 is characterized in that described valve assembly also comprises: valve body, and described valve body is connected with valve gap; Valve rod, described valve rod are arranged among the cavity in the described valve gap, and the bottom of described valve rod is fixed on the spool.
3. novel reduction of speed control valve according to claim 2 is characterized in that, also comprises compensating cylinder, and described compensating cylinder is connected with described sleeve.
4. novel reduction of speed control valve according to claim 2 is characterized in that, described compensating cylinder is connected by seal ring seal with described sleeve.
5. novel reduction of speed control valve according to claim 2 is characterized in that, is provided with the stuffing box annex in the cavity of the upper end of described valve gap.
6. novel reduction of speed control valve according to claim 1 is characterized in that, described Back Pressure Damping parts comprise left flange and right flange, and described left flange and described right flange are installed as one by one the 1st fastening piece; Between described left flange and described right flange, by pad one damping plate is installed.
7. novel reduction of speed control valve according to claim 5 is characterized in that, described damping plate is the porous damping plate.
8. novel reduction of speed control valve according to claim 1, it is characterized in that, described transition tube annex comprises flange, and described flange is connected with described valve assembly by the 2nd fastening piece, between described transition tube flange and described valve assembly pad is installed also; Also comprise transition conduit, described transition conduit is connected with described Back Pressure Damping parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101198472A CN103375616A (en) | 2012-04-23 | 2012-04-23 | Novel speed reducing control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101198472A CN103375616A (en) | 2012-04-23 | 2012-04-23 | Novel speed reducing control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103375616A true CN103375616A (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101198472A Pending CN103375616A (en) | 2012-04-23 | 2012-04-23 | Novel speed reducing control valve |
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| CN (1) | CN103375616A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591375A (en) * | 2013-11-20 | 2014-02-19 | 无锡智能自控工程股份有限公司 | Externally-arranged multipurpose silencer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201284881Y (en) * | 2008-11-13 | 2009-08-05 | 西安济源水用设备技术开发有限责任公司 | Pressure reduction and stabilization type constant-current energy dissipating valve |
| CN201391607Y (en) * | 2009-04-22 | 2010-01-27 | 大连亨利测控仪表工程有限公司 | Cage type back-pressure pilot-operated control valve |
| CN201731127U (en) * | 2010-06-13 | 2011-02-02 | 浙江逸盛石化有限公司 | Two-stage dropping valve |
| CN202195155U (en) * | 2011-07-28 | 2012-04-18 | 陈月标 | Integrated minimum flow regulating valve |
| CN202545990U (en) * | 2012-04-23 | 2012-11-21 | 维士威（上海）控制阀门有限公司 | Novel speed-reducing control valve |
-
2012
- 2012-04-23 CN CN2012101198472A patent/CN103375616A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201284881Y (en) * | 2008-11-13 | 2009-08-05 | 西安济源水用设备技术开发有限责任公司 | Pressure reduction and stabilization type constant-current energy dissipating valve |
| CN201391607Y (en) * | 2009-04-22 | 2010-01-27 | 大连亨利测控仪表工程有限公司 | Cage type back-pressure pilot-operated control valve |
| CN201731127U (en) * | 2010-06-13 | 2011-02-02 | 浙江逸盛石化有限公司 | Two-stage dropping valve |
| CN202195155U (en) * | 2011-07-28 | 2012-04-18 | 陈月标 | Integrated minimum flow regulating valve |
| CN202545990U (en) * | 2012-04-23 | 2012-11-21 | 维士威（上海）控制阀门有限公司 | Novel speed-reducing control valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591375A (en) * | 2013-11-20 | 2014-02-19 | 无锡智能自控工程股份有限公司 | Externally-arranged multipurpose silencer |
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Application publication date: 20131030 |