CN107893861A - Blast furnace gas pipeline blank-plate valve - Google Patents
Blast furnace gas pipeline blank-plate valve Download PDFInfo
- Publication number
- CN107893861A CN107893861A CN201711314268.2A CN201711314268A CN107893861A CN 107893861 A CN107893861 A CN 107893861A CN 201711314268 A CN201711314268 A CN 201711314268A CN 107893861 A CN107893861 A CN 107893861A
- Authority
- CN
- China
- Prior art keywords
- rear end
- valve
- water conservancy
- conservancy diversion
- blast furnace
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/14—Coatings characterised by the materials used by ceramic or vitreous materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses blast furnace gas pipeline blank-plate valve, including：The valve body of valve plate is installed, and the FlexbleJoint being connected with import before the valve of valve body, FlexbleJoint is included to the relative rear end pipe connect of import before the valve with valve body, to the front tube connect relative with blast furnace gas pipeline, and it is connected to the metal bellows between rear end pipe and front tube, water conservancy diversion lining is provided with the internal sleeve of FlexbleJoint, the front end of water conservancy diversion lining is stretched into forward front tube and fixed with the inner wall sealing of front tube, the rear end of water conservancy diversion lining extends rearward into rear end pipe and not fixed mutually with rear end pipe, gap between the two can be sealed by being provided between water conservancy diversion lining and rear end pipe, the sealing mechanism of relative slip occurs without prejudice to both again；The inwall of inwall, front tube, the inwall of water conservancy diversion lining, the inwall of valve body and the outer wall of valve plate in the rear end pipe of FlexbleJoint are coated with anticorrosion antiwear layer.The present invention has the advantages of service life length and good anticorrosion antiwear effect.
Description
Technical field
The present invention relates to technical field of blast furnace process, and in particular to blast furnace gas pipeline blank-plate valve.
Background technology
Blank-plate valve is the important component of blast furnace gas pipeline.The structure of blank-plate valve is used at present：Including：Peace
Valve body equipped with valve plate and the FlexbleJoint being connected with import before the valve of valve body, FlexbleJoint include to valve
The relative rear end pipe connect of import before the valve of body, to the front tube connect relative with blast furnace gas pipeline and it is connected to rear end pipe
Metal bellows between front tube.Above-mentioned blank-plate valve has the following disadvantages：（1）The metal wave of FlexbleJoint in blind plate plate
The impurity for the possessing chemical corrosivity institute corrosion and damage that line pipe is easily contained in blast furnace gas, causes gas leak, not only shadow
The service life of blank-plate valve is rung, and to produce the great potential safety hazard of safety belt；（2）The overall anticorrosion antiwear of blank-plate valve
Effect is poor, further have impact on the service life of blank-plate valve.
The content of the invention
It is an object of the invention to provide the blast furnace gas pipeline blind plate that a kind of service life is long and anticorrosion antiwear effect is good
Valve.
To achieve the above object, present invention employs following technical scheme：Described blast furnace gas pipeline blank-plate valve, bag
Include：The FlexbleJoint for being provided with the valve body of valve plate and being connected with import before the valve of valve body, FlexbleJoint include to
The rear end pipe connect relative with import before the valve of valve body, to the relative front tube connect with blast furnace gas pipeline and after being connected to
Metal bellows between end pipe and front tube, water conservancy diversion lining, the front end of water conservancy diversion lining are provided with the internal sleeve of FlexbleJoint
Stretch into front tube forward and fixed with the inner wall sealing of front tube, the rear end of water conservancy diversion lining extend rearward into rear end pipe not with rear end
Pipe is mutually fixed, and gap between the two can be sealed and phase occurs without prejudice to both by being provided between water conservancy diversion lining and rear end pipe
To the sealing mechanism of slip；The inwall of inwall, front tube, the inwall of water conservancy diversion lining, valve body in the rear end pipe of FlexbleJoint
Inwall and the outer wall of valve plate be coated with one layer of anticorrosion antiwear layer.
Further, foregoing blast furnace gas pipeline blank-plate valve, wherein：Sealing mechanism include be arranged at water conservancy diversion lining with
Sealing ring between rear end pipe.
Further, foregoing blast furnace gas pipeline blank-plate valve, wherein：The outer wall of water conservancy diversion lining is provided with a circle to use
The sealing ring standing groove of sealing ring is placed with positioning, is positioned over to seal the sealing ring in gap between water conservancy diversion lining and rear end pipe
In sealing ring standing groove.
Further, foregoing blast furnace gas pipeline blank-plate valve, wherein：The front end of water conservancy diversion lining and the inwall of front tube
Fixation is mutually sealed by welding manner.
Further, foregoing blast furnace gas pipeline blank-plate valve, wherein：Anticorrosion antiwear layer is made up of glass flakes.
The implementation of Pass through above-mentioned technical proposal, the beneficial effects of the invention are as follows：（1）By setting water conservancy diversion lining, ensureing
While corrugated metal pipe possesses original compensation function, and can avoids metal bellows in blast furnace gas pipeline conveying blast furnace
During be in contact with the impurity for possessing chemical corrosivity contained in blast furnace gas, effectively protect metal bellows, prolong
The service life of metal bellows has been grown, and then has extended the service life of blank-plate valve；（2）By in the rear end of FlexbleJoint
The inwall of pipe, the inwall of front tube, the inwall of water conservancy diversion lining, the outer wall of the inwall of valve body and valve plate be coated with one layer by
The anticorrosion antiwear layer of glass flakes composition, substantially increases the anticorrosion antiwear effect of blank-plate valve, further extends blank-plate valve
Service life.
Brief description of the drawings
Fig. 1 is the structural representation of producer gas pipeline blank-plate valve of the present invention.
Fig. 2 is the enlarged diagram at the F positions shown in Fig. 1.
Fig. 3 is the enlarged diagram at the H positions shown in Fig. 1.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, described producer gas pipeline blank-plate valve, including：Be provided with valve plate 1 valve body 2, with
And the FlexbleJoint being connected with import before the valve of valve body 2, FlexbleJoint are included to relative with import before the valve of valve body 2
The rear end pipe 3 that connects, to the front tube 4 connect relative with blast furnace gas pipeline and it is connected between rear end pipe 3 and front tube 3
Metal bellows 5, be provided with water conservancy diversion lining 6 in the internal sleeve of FlexbleJoint, front tube is stretched into forward in the front end of water conservancy diversion lining 6
4 and to be fixed with the inner wall sealing of front tube 4, the rear end of water conservancy diversion lining 6 extends rearward into rear end pipe 3 and not fixed with the phase of rear end pipe 3,
Gap between the two can be sealed and relative slip occurs without prejudice to both by being provided between water conservancy diversion lining 6 and rear end pipe 3
Sealing mechanism；In the inwall of rear end pipe 3 of FlexbleJoint, the inwall of front tube 4, the inwall of water conservancy diversion lining 6, valve body 2
The outer wall of wall and valve plate 1 is coated with one layer of anticorrosion antiwear layer 7；In the present embodiment, sealing mechanism includes being arranged at water conservancy diversion
Sealing ring 8 between lining 6 and rear end pipe 3, above-mentioned sealing mechanism is simple in construction, convenient to install and maintain；In the present embodiment, exist
The outer wall of water conservancy diversion lining 6 is provided with a circle to position the sealing ring standing groove 9 of placement sealing ring 8, to seal water conservancy diversion lining 6
The sealing ring 8 in gap is positioned in sealing ring standing groove 9 between rear end pipe 3, can so install location sealing more quickly
Circle 8, avoids sealing ring 8 from skidding off gap between water conservancy diversion lining 6 and rear end pipe 3 in use, the operation for improving equipment is steady
It is qualitative；In the present embodiment, the front end of water conservancy diversion lining 6 and the inwall of front tube 4 mutually seal fixation by welding manner, above-mentioned close
It is simple to operate to seal fixed form；In the present embodiment, anticorrosion antiwear layer 7 is made up of glass flakes, and this anticorrosion antiwear layer is prevented
Rotten performance and anti-wear performance are high, effectively protect blank-plate valve, extend the service life of blank-plate valve；
It is an advantage of the invention that：（1）By setting water conservancy diversion lining, ensureing that corrugated metal pipe possesses the same of original compensation function
When, and can avoids metal bellows from possessing during blast furnace gas pipeline conveying blast furnace with what is contained in blast furnace gas
The impurity of chemical corrosivity is in contact, and effectively protects metal bellows, extends the service life of metal bellows, Jin Eryan
The service life of blank-plate valve is grown；（2）Pass through the inwall of the rear end pipe in FlexbleJoint, the inwall of front tube, water conservancy diversion lining
Inwall, the inwall of valve body and the outer wall of valve plate be coated with one layer of anticorrosion antiwear layer being made up of glass flakes, carry significantly
The high anticorrosion antiwear effect of blank-plate valve, further extend the service life of blank-plate valve.
Claims (6)
1. blast furnace gas pipeline blank-plate valve, including：The valve body of valve plate is installed and is connected with import before the valve of valve body
FlexbleJoint, FlexbleJoint includes to the relative rear end pipe connect of import before the valve with valve body, to blast furnace gas pipe
Road is with respect to the front tube connect and the metal bellows being connected between rear end pipe and front tube, it is characterised in that：Mended in ripple
The internal sleeve for repaying device is provided with water conservancy diversion lining, and the front end of water conservancy diversion lining is stretched into forward front tube and consolidated with the inner wall sealing of front tube
Fixed, the rear end of water conservancy diversion lining extends rearward into rear end pipe and not fixed mutually with rear end pipe, is set between water conservancy diversion lining and rear end pipe
There is the sealing mechanism that can be sealed gap between the two and relative slip occurs without prejudice to both；In the rear end of FlexbleJoint
The inwall of pipe, the inwall of front tube, the inwall of water conservancy diversion lining, the outer wall of the inwall of valve body and valve plate be coated with one layer it is anti-
Rotten wearing layer.
2. blast furnace gas pipeline blank-plate valve according to claim 1, it is characterised in that：Sealing mechanism includes being arranged at leading
Flow the sealing ring between lining and rear end pipe.
3. blast furnace gas pipeline blank-plate valve according to claim 2, it is characterised in that：Set in the outer wall of water conservancy diversion lining
There is a circle to position the sealing ring standing groove of placement sealing ring, to seal the sealing in gap between water conservancy diversion lining and rear end pipe
Circle is positioned in sealing ring standing groove.
4. according to the blast furnace gas pipeline blank-plate valve described in claim 1 or 2 or 3, it is characterised in that：The front end of water conservancy diversion lining
Fixation is mutually sealed by welding manner with the inwall of front tube.
5. according to the blast furnace gas pipeline blank-plate valve of claim 1 or 2 or 3, it is characterised in that：Anticorrosion antiwear layer is by glass phosphorus
Piece forms.
6. blast furnace gas pipeline blank-plate valve according to claim 4, it is characterised in that：Anticorrosion antiwear layer is by glass flakes group
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711314268.2A CN107893861A (en) | 2017-12-12 | 2017-12-12 | Blast furnace gas pipeline blank-plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711314268.2A CN107893861A (en) | 2017-12-12 | 2017-12-12 | Blast furnace gas pipeline blank-plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107893861A true CN107893861A (en) | 2018-04-10 |
Family
ID=61807236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711314268.2A Pending CN107893861A (en) | 2017-12-12 | 2017-12-12 | Blast furnace gas pipeline blank-plate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107893861A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2600660Y (en) * | 2003-02-27 | 2004-01-21 | 李晓明 | Bimetallic valve |
| CN201047446Y (en) * | 2007-05-18 | 2008-04-16 | 唐山不锈钢有限责任公司 | Split blind plate valve |
| CN101725725A (en) * | 2008-10-31 | 2010-06-09 | 江苏神通阀门股份有限公司 | Gate valve |
| CN102829279A (en) * | 2012-08-24 | 2012-12-19 | 秦皇岛北方管业有限公司 | Corrosion-resistant wear-resistant composite expansion joint and preparation method thereof |
| CN203823106U (en) * | 2014-01-15 | 2014-09-10 | 浙江良达阀门有限公司 | Mould-pressed straight diaphragm valve |
| CN105065710A (en) * | 2015-08-06 | 2015-11-18 | 云南红渊投资有限公司 | Anti-wear anti-corrosion polyurethane lining through diaphragm valve |
| CN206692680U (en) * | 2017-04-17 | 2017-12-01 | 秦皇岛北方管业有限公司 | A kind of blast furnace throat compensator |
| CN207634723U (en) * | 2017-12-12 | 2018-07-20 | 江苏联峰工业装备科技有限公司 | Blast furnace gas pipeline blank-plate valve |
-
2017
- 2017-12-12 CN CN201711314268.2A patent/CN107893861A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2600660Y (en) * | 2003-02-27 | 2004-01-21 | 李晓明 | Bimetallic valve |
| CN201047446Y (en) * | 2007-05-18 | 2008-04-16 | 唐山不锈钢有限责任公司 | Split blind plate valve |
| CN101725725A (en) * | 2008-10-31 | 2010-06-09 | 江苏神通阀门股份有限公司 | Gate valve |
| CN102829279A (en) * | 2012-08-24 | 2012-12-19 | 秦皇岛北方管业有限公司 | Corrosion-resistant wear-resistant composite expansion joint and preparation method thereof |
| CN203823106U (en) * | 2014-01-15 | 2014-09-10 | 浙江良达阀门有限公司 | Mould-pressed straight diaphragm valve |
| CN105065710A (en) * | 2015-08-06 | 2015-11-18 | 云南红渊投资有限公司 | Anti-wear anti-corrosion polyurethane lining through diaphragm valve |
| CN206692680U (en) * | 2017-04-17 | 2017-12-01 | 秦皇岛北方管业有限公司 | A kind of blast furnace throat compensator |
| CN207634723U (en) * | 2017-12-12 | 2018-07-20 | 江苏联峰工业装备科技有限公司 | Blast furnace gas pipeline blank-plate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215621 Jianfeng village, Zhaofeng street, Zhangjiagang, Suzhou, Jiangsu province (Hong Feng Road) Applicant after: Jiangsu Lian Feng Industrial Equipment Technology Co., Ltd. Address before: 215628 Jiangsu Suzhou Zhangjiagang Nanfeng town Yong Lian Jiangsu Lian Feng Industrial Equipment Installation Engineering Co., Ltd. Applicant before: Jiangsu Lian Feng Industrial Equipment Installation Engineering Co., Ltd. |
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| CB02 | Change of applicant information |