CN106801771A - A kind of isothermal holding method of valve - Google Patents
A kind of isothermal holding method of valve Download PDFInfo
- Publication number
- CN106801771A CN106801771A CN201510844886.2A CN201510844886A CN106801771A CN 106801771 A CN106801771 A CN 106801771A CN 201510844886 A CN201510844886 A CN 201510844886A CN 106801771 A CN106801771 A CN 106801771A
- Authority
- CN
- China
- Prior art keywords
- chamber body
- semicanal
- force block
- valve
- square groove
- 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
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
- F16K27/00—Construction of housing; Use of materials therefor
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- 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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/161—Housings for valves, tee pieces, or the like
Abstract
The invention discloses a kind of isothermal holding method of valve, valve body is connected by screw bolts with muff first, the left chamber body of muff connects and composes incubation cavity with right chamber body, installation insulation is lined with and carries out isothermal holding to valve in incubation cavity, square groove is provided with left projection, the force block of quality of rubber materials is placed in square groove, the bottom of square groove is provided with tapped through hole, screwed hole is provided with right projection, bolt-through force block coordinates with screwed hole so that a left side, right chamber body phase connects, by force block so that a left side, the connection of right chamber body is changed into flexible connection from being rigidly connected, when installing with dismounting, force block can reduce a left side, interaction force between right chamber body, reduce the stress degree of bolt.
Description
Technical field
The present invention relates to a kind of muff, a kind of isothermal holding method of valve is specifically referred to.
Background technology
Valve is in fluid system, for controlling the device of the direction of fluid, pressure, flow, it is control unit in pipeline fluid induction system, for changing path section and media flow direction, with functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow releases.The control of valve can use various kinds of drive, such as manually, electrically, surge, pneumatic, turbine, electromagnetic driven, electromagnetism surge, electro-hydraulic dynamic, air-or liquid-operated, spur gear, bevel gear driving；Can be in the presence of pressure, temperature or other forms transducing signal, acted by predetermined requirement, or be independent of transducing signal and be simply turned on and off, valve by drive or automechanism lift opening and closing element, slide, swing or gyration, so as to change the size of its flow area to realize its control function.
In petroleum pipeline transportation, particularly in outdoor pipe transport, the Insulation of valve is even more important, and can otherwise cause oil to condense, and causes line clogging, and then influence the conevying efficiency of oil；Valve insulating sleeve is in an important heating position, but valve heat insulation often turns into a weak link in insulation again, when being dismounted to valve, the insulation material being often arranged on valve turns into the difficult point safeguarded to valve, the muff for covering thereon need to be removed in maintenance of valve, usually there is bolt stripped thread after being enclosed within the not timing maintenance of valve in the glass fibre reinforced plastic insulation for being used on the market at present, and then it is improper to cause housing to be fixed, the heat insulation effect of valve is caused to decline, while the service life of muff is also seriously affected.
The content of the invention
The present invention provides a kind of isothermal holding method of valve, and the insulation of valve, improves the service life of muff in facilitating petroleum pipeline to transport.
The purpose of the present invention reaches by the following technical programs：
The present invention is connected by screw bolts to valve body with muff first, the left chamber body of muff connects and composes incubation cavity with right chamber body, installation insulation is lined with and carries out isothermal holding to valve in incubation cavity, square groove is provided with left projection, the force block of quality of rubber materials is placed in square groove, the bottom of square groove is provided with tapped through hole, screwed hole is provided with right projection, bolt-through force block coordinates with screwed hole so that a left side, right chamber body phase connects, by force block so that a left side, the connection of right chamber body is changed into flexible connection from being rigidly connected, when installing with dismounting, force block can reduce a left side, interaction force between right chamber body, reduce the stress degree of bolt.
The muff includes left semicanal, left vertical semicanal, right semicanal, right vertical semicanal and insulation are served as a contrast, left semicanal semicanal vertical with a left side connects and composes left chamber body, right semicanal semicanal vertical with the right side constitutes right chamber body, left chamber body connects and composes incubation cavity with right chamber body, insulation lining is provided with incubation cavity, the two ends of the left vertical semicanal are provided with left projection, the two ends of the right vertical semicanal are provided with right projection, square groove is provided with left projection, screwed hole is provided with right projection, also include force block, the force block is made up of rubber, force block is placed in square groove, the bottom land of square groove is provided with tapped through hole, bolt-through force block coordinates with tapped through hole and screwed hole.
Annular protrusion is provided with the top of the force block, annular protrusion surrounds the nut of the bolt.
The left chamber body, the left and right two ends of right chamber body and top are also equipped with semicircle rubber blanket.
The insulation lining bag includes nylon cloth set and is arranged in nylon cloth set receives the heat-insulated soft felt of base.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, the present invention causes that left and right connection is changed into flexible connection from being rigidly connected by force block, in installation and dismounting, force block can reduce the interaction force between left and right vertical semicanal, reduce the stress degree of bolt, avoid excessively using for bolt, it is ensured that stability of the muff in long-term use；
2nd, the semicircle rubber blanket that the present invention is installed on left chamber body, the top of right chamber body and left and right two ends end, sealing thermal insulation can not only be played a part of, also certain deformation can be produced to fall stress buffer when pipeline produces stress with valve, it is to avoid muff is damaged, improve the service life of muff.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes the part of the application, does not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of muff；
Fig. 2 is the A of force block to sectional view；
Fig. 3 is the structural representation of left part of the present invention；
Fig. 4 is the structural representation of right part of the present invention；
Mark and corresponding parts title in accompanying drawing：
The left vertical semicanal of the left semicanals of 1-, 2-, the right semicanals of 3-, the right vertical semicanals of 4-, 5- incubation cavities, 6- semicircles rubber blanket, 7- square grooves, the left projections of 8-, the right projections of 9-, 10- bolts, 11- annular protrusions, 12- force blocks, 13- tapped through holes, 14- left chambers body, 15- right chambers body, 16- screwed holes, 17- insulation lining.
Specific embodiment
Embodiment 1
As shown in Fig. 1 ~ Fig. 4, the present invention is connected by screw bolts to valve body with muff first, the left chamber body of muff connects and composes incubation cavity with right chamber body, installation insulation is lined with and carries out isothermal holding to valve in incubation cavity, square groove is provided with left projection, the force block of quality of rubber materials is placed in square groove, the bottom of square groove is provided with tapped through hole, screwed hole is provided with right projection, bolt-through force block coordinates with screwed hole so that a left side, right chamber body phase connects, by force block so that a left side, the connection of right chamber body is changed into flexible connection from being rigidly connected, when installing with dismounting, force block can reduce a left side, interaction force between right chamber body, reduce the stress degree of bolt.The muff includes left semicanal 1, left vertical semicanal 2, right semicanal 3, right vertical semicanal 4 and insulation are served as a contrast, the semicanal 2 vertical with a left side of left semicanal 1 connects and composes left chamber body 14, the semicanal 4 vertical with the right side of right semicanal 3 constitutes right chamber body 15, left chamber body 14 connects and composes incubation cavity 5 with right chamber body 15, insulation lining 17 is provided with incubation cavity 5, the two ends of the left vertical semicanal 2 are provided with left raised 8, the two ends of the right vertical semicanal 4 are provided with right raised 9, square groove 7 is provided with left raised 8, screwed hole 16 is provided with right raised 9, also include force block 12, the force block 12 is made up of rubber, force block 12 is placed in square groove 7, the bottom land of square groove 7 is provided with tapped through hole 13, bolt 10 coordinates through force block with tapped through hole 13 and screwed hole 16；The top of the force block 12 is provided with annular protrusion 11, and annular protrusion 11 surrounds the nut of the bolt 10.Current muff is connected when using often through bolt 10, but when valve is dismantled or is repaired, muff originally usually also can be by ceaselessly installing/dismounting, the screw thread in turn resulting in bolt 10 is excessively used and causes bolt 10 to be damaged, so that the service life reduction of muff, the muff for more renewing is again so that production cost increases；It is equally utilized in the present invention that bolt connection,Left chamber body 14 connects and composes incubation cavity 5 with right chamber body 15,Insulation lining 17 is installed in incubation cavity 5 carries out isothermal holding with to valve,Square groove 7 is provided with left raised 8,The force block 12 of quality of rubber materials is placed in square groove 7,The bottom of square groove 7 is provided with tapped through hole 13,Screwed hole 16 is provided with right raised 9,Bolt 10 coordinates with screwed hole 16 through force block 12 so that a left side,Right chamber body 14,15 are connected with each other,A left side is caused by force block 12,Right chamber body 14,15 connection is changed into flexible connection from being rigidly connected,When installing with dismounting, force block can reduce a left side,Right chamber body 14,Interaction force between 15,Reduce the stress degree of bolt 10,Avoid excessively using for bolt 10,Ensure stability of the muff in long-term use.
The left chamber body 14, the left and right two ends of right chamber body 15 and top are also equipped with semicircle rubber blanket 6.After muff is connected with valve, slight moving radially is produced due to that can be influenceed by external environment between pipeline and valve, when the stress direction being subject to when muff or so two ends is opposite, the body of muff can be caused to produce different degrees of distortion, shorten the service life of muff；The semicircle rubber blanket 6 installed on the top of right chamber body 15 and left chamber body 14 with left and right two ends end, the semicircle rubber blanket 6 set on left chamber body 14 cooperates with the semicircle rubber blanket 6 of right chamber body 15 can not only play a part of sealing thermal insulation, also certain deformation can be produced to fall stress buffer when pipeline produces stress with valve, avoid muff from being damaged, improve the service life of muff.
Above-described specific embodiment; the purpose of the present invention, technical scheme and beneficial effect are further described; should be understood that; the foregoing is only specific embodiment of the invention; the protection domain being not intended to limit the present invention; all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of isothermal holding method of valve, it is characterised in that：Valve body is connected by screw bolts with muff first, the left chamber body of muff connects and composes incubation cavity with right chamber body, installation insulation is lined with and carries out isothermal holding to valve in incubation cavity, square groove is provided with left projection, the force block of quality of rubber materials is placed in square groove, the bottom of square groove is provided with tapped through hole, screwed hole is provided with right projection, bolt-through force block coordinates with screwed hole so that a left side, right chamber body phase connects, by force block so that a left side, the connection of right chamber body is changed into flexible connection from being rigidly connected, when installing with dismounting, force block can reduce a left side, interaction force between right chamber body, reduce the stress degree of bolt.
2. the isothermal holding method of a kind of valve according to claim 1, it is characterised in that：The muff includes left semicanal, left vertical semicanal, right semicanal, right vertical semicanal and insulation are served as a contrast, left semicanal semicanal vertical with a left side connects and composes left chamber body, right semicanal semicanal vertical with the right side constitutes right chamber body, left chamber body connects and composes incubation cavity with right chamber body, insulation lining is provided with incubation cavity, the two ends of the left vertical semicanal are provided with left projection, the two ends of the right vertical semicanal are provided with right projection, square groove is provided with left projection, screwed hole is provided with right projection, also include force block, the force block is made up of rubber, force block is placed in square groove, the bottom land of square groove is provided with tapped through hole, bolt-through force block coordinates with tapped through hole and screwed hole.
3. the isothermal holding method of a kind of valve according to claim 2, it is characterised in that：Annular protrusion is provided with the top of the force block, annular protrusion surrounds the nut of the bolt.
4. the isothermal holding method of a kind of valve according to claim 2, it is characterised in that：The left chamber body, the left and right two ends of right chamber body and top are also equipped with semicircle rubber blanket.
5. the isothermal holding method of a kind of valve according to claim 2, it is characterised in that：The insulation lining bag includes nylon cloth set and is arranged in nylon cloth set receives the heat-insulated soft felt of base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844886.2A CN106801771A (en) | 2015-11-26 | 2015-11-26 | A kind of isothermal holding method of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844886.2A CN106801771A (en) | 2015-11-26 | 2015-11-26 | A kind of isothermal holding method of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106801771A true CN106801771A (en) | 2017-06-06 |
Family
ID=58976893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510844886.2A Pending CN106801771A (en) | 2015-11-26 | 2015-11-26 | A kind of isothermal holding method of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106801771A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458520A (en) * | 2019-01-11 | 2019-03-12 | 桐庐县伟山镁钢保温工程有限公司 | A kind of detachable glass fiber reinforced plastics valve heat insulation sheath |
| CN110273661A (en) * | 2019-06-05 | 2019-09-24 | 张德龙 | A kind of oil field valve heating and thermal insulation set and operating method |
-
2015
- 2015-11-26 CN CN201510844886.2A patent/CN106801771A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458520A (en) * | 2019-01-11 | 2019-03-12 | 桐庐县伟山镁钢保温工程有限公司 | A kind of detachable glass fiber reinforced plastics valve heat insulation sheath |
| CN110273661A (en) * | 2019-06-05 | 2019-09-24 | 张德龙 | A kind of oil field valve heating and thermal insulation set and operating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170606 |
|
| WD01 | Invention patent application deemed withdrawn after publication |