CN103953782A - Special pneumatic control valve for chlorine - Google Patents

Special pneumatic control valve for chlorine Download PDF

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Publication number
CN103953782A
CN103953782A CN201410220568.4A CN201410220568A CN103953782A CN 103953782 A CN103953782 A CN 103953782A CN 201410220568 A CN201410220568 A CN 201410220568A CN 103953782 A CN103953782 A CN 103953782A
Authority
CN
China
Prior art keywords
valve
special pneumatic
chlorine
valve body
gap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410220568.4A
Other languages
Chinese (zh)
Inventor
陶永红
袁国华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU MING JIANG VALVE CO Ltd
Original Assignee
JIANGSU MING JIANG VALVE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU MING JIANG VALVE CO Ltd filed Critical JIANGSU MING JIANG VALVE CO Ltd
Priority to CN201410220568.4A priority Critical patent/CN103953782A/en
Publication of CN103953782A publication Critical patent/CN103953782A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • F16K1/38Valve members of conical shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/46Attachment of sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00Spindle sealings
    • F16K41/02Spindle sealings with stuffing-box ; Sealing rings

Abstract

The invention discloses a special pneumatic control valve for chlorine. The technical scheme is realized as follows: the special pneumatic control valve for chlorine comprises a valve body, a valve cover and an actuator, wherein the valve body comprises a medium inlet and a medium outlet, and a valve seat is arranged between the medium inlet and the medium outlet, and is positioned in a cavity inside the valve body; the inner ring of the valve seat is provided with a sealing ring, and a valve cover is arranged at the upper end of the valve body; a gasket is arranged at a joint of the valve body and the valve cover, and a valve stem vertically penetrates through the valve cover; the lower end of the valve stem is connected with a valve clack, and the upper end of the valve stem is provided with an actuator; a valve clack cover is arranged on the valve clack, and a sealing filler is arranged in a gap between the valve stem and the valve cover; a filler gland is arranged above the sealing filler. The special pneumatic control valve provided by the invention has the beneficial effects of simple and compact structure, stable sealing performance, safety and reliability, strong corrosion resistance, easiness and convenience in operation, and precise adjustment.

Description

A kind of chlorine special pneumatic modulating valve
Technical field
The present invention relates to modulating valve, stop valve technical field, relate in particular to a kind of chlorine special pneumatic modulating valve.
Background technique
In the automatic control of modern plant, modulating valve plays a very important role, and the production of these factories is depended on the correct distribution of the medium flowing and controlled.No matter these is that the exchange of energy, reduction or the simple container of pressure feed in raw material if being controlled, all need some final control unit to go.Modulating valve plays adjustable resistance in pipeline.It changes the turbulence scale of process fluid or a Pressure Drop is provided under laminar flow conditions.
For the conveying requirement of some special medias, such as mordant chlorine, liquid chlorine medium, number of patent application: CN103671984A provides a kind of manual chlorine modulating valve, and governing speed is slow, regulates data accurate not, and operation effort.
Summary of the invention
The problem existing in order to solve above-mentioned prior art, the invention provides a kind of simple and compact for structure, sealability stable, safe and reliable, corrosion resistance by force, operate light, regulate chlorine special pneumatic modulating valve accurately.
To achieve these goals, new solution of the present invention is achieved in that a kind of chlorine special pneumatic modulating valve, comprise valve body 1, valve gap 7, actuator 13, described valve body 1 comprises medium inlet 12, media outlet 2, described medium inlet 12, between media outlet 2, be provided with valve seat 4, described valve seat 4 is positioned at described valve body 1 internal cavity, described valve seat 4 inner rings are provided with seal ring 3, described valve body 1 upper end is provided with valve gap 7, described valve body 1 is provided with pad 11 with described valve gap 7 joints, valve rod 10 vertically runs through described valve gap 7, described valve rod 10 lower ends connect flap 5, upper end connects actuator 13, described flap 5 is provided with valve clack cover 6, gap between described valve rod 10 and described valve gap 7 is provided with stuffing box packing 8, described stuffing box packing 8 tops are provided with Gland 9.
Further, described valve body 1, valve gap 7 materials adopt Corrosion Resisting Steel; Described valve rod 10 materials adopt stainless steel.
Further, described seal ring 3 adopts the integral sintered teflon of compression moulding, on described seal ring 3 with a circle groove.
Further, described flap 5 lower ends are frustum, and material adopts plasma spray, built-up welding corrosion resistant alloy.
Further, teflon is selected in described stuffing box packing 8.
Further, described pad 11 materials adopt teflon.
Further, described actuator 13 adopts gas open form final controlling element.
Further, described medium inlet 12, media outlet 2 ports adopt flange to connect.
The present invention has following beneficial effect: the present invention is directed to medium feature, in valve body material, selects Corrosion Resisting Steel, can resistance to chlorine, liquid chlorine corrosion, and low temperature can, to-40 DEG C, ensure working condition usage requirement to greatest extent; Seal form between flap and valve seat adopts cone, plane, seals auto-compensation, reaches the effect of double insurance, and sealability is stable, without adhesive wear, is difficult for leaking; Stuffing box packing adopts multistage teflon, has eliminated common valve packing box seal weakness, medium easily leaks outside, the possibility even causing the accident; Actuator adopts air-driven type final controlling element, operate light, regulate precisely.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is sealing pair pairing structure demonstration graph of the present invention.
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
With reference to accompanying drawing 1 description of symbols: valve body 1, media outlet 2, seal ring 3, valve seat 4, flap 5, valve clack cover 6, valve gap 7, stuffing box packing 8, Gland 9, valve rod 10, pad 11, medium inlet 12, actuator 13.
Embodiment
A kind of chlorine special pneumatic of the present invention modulating valve, comprises valve body 1, valve gap 7, actuator 13, and for the deep-etching characteristic of chlorine, liquid chlorine, described valve body 1 material adopts Corrosion Resisting Steel, and carbon steel adds corrosion resistant alloy element.Described valve body 1 comprises medium inlet 12, media outlet 2, the shaft axis of described medium gateway is same, the adpting flange of described medium gateway end adopts tongue-and-groove sealing configuration, even in the situation that pipeline pressure has fluctuation, and the reliability of flange seal in also ensureing.
Between described medium inlet 12, media outlet 2, be provided with valve seat 4, described valve seat 4 is positioned at described valve body 1 internal cavity, described valve seat 4 inner rings are provided with seal ring 3, described seal ring 3 adopts the integral sintered teflon of compression moulding, on described seal ring 3 with a circle groove, described groove is pushed by the frustum of described flap 5 lower ends, make the sealing between described flap 5 and valve seat 4 tightr, sealing auto-compensation, reach the effect of double insurance, sealability is stable, without adhesive wear, is difficult for leaking.
Described valve body 1 upper end is provided with valve gap 7, and described valve gap 7 materials adopt Corrosion Resisting Steel, and described valve body 1 is provided with pad 11 with described valve gap 7 joints, and described pad 11 materials adopt corrosion resistant teflon.Valve rod 10 vertically runs through described valve gap 7, and described valve rod 10 materials adopt stainless steel, and described valve rod 10 lower ends connect flap 5, and described flap 5 lower ends are frustum, and material adopts plasma spray, built-up welding corrosion resistant alloy.Described valve rod 10 upper ends connect actuator 13, and described actuator 13 adopts gas open form final controlling element.Its operating principle is: be input to described actuator 13 through the source of the gas setting, described actuator 13 drives flap 5 to move upward by valve rod 10, and valve opening allows medium pass through.
Described flap 5 is provided with valve clack cover 6, gap between described valve rod 10 and described valve gap 7 is provided with stuffing box packing 8, teflon is selected in described stuffing box packing 8, described stuffing box packing 8 tops arrange Gland 9, and by fixing bolt, described Gland 9 are closely fixed on to described valve gap 7 with above stuffing box packing 8.
Finally explanation is, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, other amendments that those of ordinary skill in the art make technological scheme of the present invention or be equal to replacement, only otherwise depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of claim scope of the present invention.

Claims (8)

1. a chlorine special pneumatic modulating valve, comprise valve body (1), valve gap (7), actuator (13), it is characterized in that, described valve body (1) comprises medium inlet (12), media outlet (2), described medium inlet (12), between media outlet (2), be provided with valve seat (4), described valve seat (4) is positioned at described valve body (1) internal cavity, described valve seat (4) inner ring is provided with seal ring (3), described valve body (1) upper end is provided with valve gap (7), described valve body (1) is provided with pad (11) with described valve gap (7) joint, valve rod (10) vertically runs through described valve gap (7), described valve rod (10) lower end connects flap (5), upper end connects actuator (13), described flap (5) is provided with valve clack cover (6), gap between described valve rod (10) and described valve gap (7) is provided with stuffing box packing (8), described stuffing box packing (8) top is provided with Gland (9).
2. a kind of chlorine special pneumatic modulating valve according to claim 1, is characterized in that, described valve body (1), valve gap (7) material adopt Corrosion Resisting Steel; Described valve rod (10) material adopts stainless steel.
3. a kind of chlorine special pneumatic modulating valve according to claim 1, is characterized in that, described seal ring (3) adopts the integral sintered teflon of compression moulding, and described seal ring (3) is upper with a circle groove.
4. a kind of chlorine special pneumatic modulating valve according to claim 1, is characterized in that, described flap (5) lower end is frustum, and material adopts plasma spray, built-up welding corrosion resistant alloy.
5. a kind of chlorine special pneumatic modulating valve according to claim 1, is characterized in that, teflon is selected in described stuffing box packing (8).
6. a kind of chlorine special pneumatic modulating valve according to claim 1, is characterized in that, described pad (11) material adopts teflon.
7. a kind of chlorine special pneumatic modulating valve according to claim 1, is characterized in that, described actuator (13) adopts gas open form final controlling element.
8. a kind of chlorine special pneumatic modulating valve according to claim 1, is characterized in that, described medium inlet (12), media outlet (2) port adopt flange to connect.
CN201410220568.4A 2014-05-23 2014-05-23 Special pneumatic control valve for chlorine Pending CN103953782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410220568.4A CN103953782A (en) 2014-05-23 2014-05-23 Special pneumatic control valve for chlorine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410220568.4A CN103953782A (en) 2014-05-23 2014-05-23 Special pneumatic control valve for chlorine

Publications (1)

Publication Number Publication Date
CN103953782A true CN103953782A (en) 2014-07-30

Family

ID=51331096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410220568.4A Pending CN103953782A (en) 2014-05-23 2014-05-23 Special pneumatic control valve for chlorine

Country Status (1)

Country Link
CN (1) CN103953782A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104455700A (en) * 2014-12-08 2015-03-25 江苏明江阀业有限公司 Thermosensitive packing seal valve
CN105909808A (en) * 2016-06-02 2016-08-31 苏州丹顿机电有限公司 Valve
WO2018152947A1 (en) * 2017-02-24 2018-08-30 江苏金晟元特种阀门股份有限公司 Pneumatic fluorine-lined corrugated pipe single-seat regulating valve
CN108591500A (en) * 2018-07-18 2018-09-28 天津万枫仪表有限公司 A kind of specific alloy regulating valve applied under high-pressure stage tiny flow quantity operating mode
CN110701320A (en) * 2018-07-10 2020-01-17 奥塔玛株式会社 Flow regulating stop valve for sanitation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2416293Y (en) * 2000-01-20 2001-01-24 南通市明江阀门总厂 Special valve for chlorine
CN101225886A (en) * 2007-01-17 2008-07-23 江苏明江阀业有限公司 Regulating valve special for chlorine
JP2008202730A (en) * 2007-02-21 2008-09-04 Rinnai Corp Valve system
CN201326754Y (en) * 2008-12-18 2009-10-14 江苏明江阀业有限公司 Fluoroplastic fully lined pneumatic stop valve for chlor-alkali
CN201651333U (en) * 2010-01-11 2010-11-24 江苏明江阀业有限公司 Special valve for chlorine gas

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2416293Y (en) * 2000-01-20 2001-01-24 南通市明江阀门总厂 Special valve for chlorine
CN101225886A (en) * 2007-01-17 2008-07-23 江苏明江阀业有限公司 Regulating valve special for chlorine
JP2008202730A (en) * 2007-02-21 2008-09-04 Rinnai Corp Valve system
CN201326754Y (en) * 2008-12-18 2009-10-14 江苏明江阀业有限公司 Fluoroplastic fully lined pneumatic stop valve for chlor-alkali
CN201651333U (en) * 2010-01-11 2010-11-24 江苏明江阀业有限公司 Special valve for chlorine gas

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104455700A (en) * 2014-12-08 2015-03-25 江苏明江阀业有限公司 Thermosensitive packing seal valve
CN105909808A (en) * 2016-06-02 2016-08-31 苏州丹顿机电有限公司 Valve
WO2018152947A1 (en) * 2017-02-24 2018-08-30 江苏金晟元特种阀门股份有限公司 Pneumatic fluorine-lined corrugated pipe single-seat regulating valve
CN110701320A (en) * 2018-07-10 2020-01-17 奥塔玛株式会社 Flow regulating stop valve for sanitation
CN108591500A (en) * 2018-07-18 2018-09-28 天津万枫仪表有限公司 A kind of specific alloy regulating valve applied under high-pressure stage tiny flow quantity operating mode

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140730