CN109424753A - One kind may filter that impurity seals fused salt butterfly valve firmly - Google Patents
One kind may filter that impurity seals fused salt butterfly valve firmly Download PDFInfo
- Publication number
- CN109424753A CN109424753A CN201710757710.2A CN201710757710A CN109424753A CN 109424753 A CN109424753 A CN 109424753A CN 201710757710 A CN201710757710 A CN 201710757710A CN 109424753 A CN109424753 A CN 109424753A
- Authority
- CN
- China
- Prior art keywords
- fused salt
- filter
- valve
- impurity
- butterfly valve
- 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
- F16K1/00—Lift 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
- F16K1/16—Lift 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 with pivoted closure-members
- F16K1/18—Lift 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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift 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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift 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
- F16K1/32—Details
-
- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
One kind may filter that impurity seals fused salt butterfly valve, including valve body firmly, and the valve body is equipped with settling banker, and filter screen is fixed in valve channel, and the sediment of fused salt and crystallization are intercepted in settling banker by filter screen.The settling banker is equipped with precipitating warehouse lid by the first bolt;It precipitates warehouse lid and settling banker contact site is equipped with the winding gasket sealing of the first metal.The filter screen is fixed in valve channel by the second bolt, dismountable cleaning or replacement.One kind of the present invention may filter that impurity seals fused salt butterfly valve firmly, valve design filter screen and settling banker, fused salt in the case where pyrolytic, intercepted in settling banker by filter screen by contamination precipitation and crystallization, effectively avoids the problem that valve because of clogging deposits, easily leakage.
Description
Technical field
The present invention relates to a kind of fused salt valve, especially one kind may filter that impurity seals fused salt butterfly valve firmly.
Background technique
Salt energy storage technology is one of the high-temperature heat accumulation technology of mainstream the most in the world at present, has that at low cost, thermal capacitance is high, peace
The advantages that good perfection, is applied in the solar light-heat power-generation of the states such as Spain.Fuse salt energy storage technology is
As a heat transfer medium using raw materials such as sodium nitrate, generally have solar-thermal generating system in conjunction with solar light-heat power-generation system
Energy storage and night generating capacity, can meet peak load regulation network needs.Different, the solar energy high temperature energy storage technology according to thermal energy storage mode
Sensible heat energy storage, hidden heat energy storage and hybrid energy-storing can be divided into.And in fused salt pipeline, butterfly valve has structure simply and adjusts flow
Can be good the advantages that is the preferred valve that molten salt pipeline adjusts flow.Fused salt is heated to 142 DEG C of fusing point or more, flows it in melting
It is recycled under dynamic state.Maximum operating temperature is up to 580 DEG C of high temperature.In the case that temperature is excessively high, fused salt is caused to decompose, and
It is not filtered processing containing impurity in fused salt, its contamination precipitation comes out under melting state, causes valve blockage, leakproofness
It can poor problem.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind may filter that impurity seals fused salt butterfly valve, valve design mistake firmly
Strainer and settling banker, fused salt in the case where pyrolytic, intercepted in settling banker by filter screen by contamination precipitation and crystallization, has
Effect avoids the problem that valve because of clogging deposits, easily leakage.
The technical scheme adopted by the invention is as follows:
One kind may filter that impurity seals fused salt butterfly valve, including valve body firmly, and the valve body is equipped with settling banker, and filter screen is fixed on valve body
In channel, the sediment of fused salt and crystallization are intercepted in settling banker by filter screen.
The settling banker is equipped with precipitating warehouse lid by the first bolt;It precipitates warehouse lid and settling banker contact site is equipped with first
Metal winds gasket sealing.
The filter screen is fixed in valve channel by the second bolt, dismountable cleaning or replacement.
The valve body upper and lower end is respectively equipped with Upper shaft sleeve, Lower shaft sleeve, and the axle sleeve is using at 316 stainless steel surface hardening
Reason.
The butterfly valve further includes valve rod, dish plate, bottom cover;The valve rod sequentially passes through valve body, dish plate, and stem bottom is stretched out, simultaneously
It is inserted in divided ring, bottom cover is fixed by third bolt, and the second metal winding gasket is provided between the bottom cover and divided ring.
The dish plate is fixed with valve rod by gradient pin.
The butterfly valve further includes pressing plate, sealing ring, and pressing plate is pressed into contact with by sealing ring and valve body sealing surface, and pressing plate passes through the
The close seal of four bolt locks;Graphite pads are equipped between sealing ring and dish plate to seal.
The sealing ring is that the alloy hardening processing of Inconel718 is constituted, and sealing surface is hard sealing;Valve body sealing surface heap
Weld STL alloy.
The sealing ring, valve body sealing surface use three eccentricity structure, sealed reliable.
Composite filling is inserted on the valve rod top, is sealed by gland by bolt presses.
The valve rod connects turbine operation mechanism.
One kind of the present invention may filter that impurity seals fused salt butterfly valve firmly, and technical effect is as follows:
1: effectively avoiding the problem that valve because of the blocking of contamination precipitation object, easily leakage in fused salt.
2: valve mechanism is simple, and sediment and crystallization cleaning are convenient, increases the service life of fused salt in the duct.
3: valve sealing ring can reduce maintenance time by settling banker on-line maintenance or replacement, reduce maintenance cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1- valve body, the first metal of 2- wind gasket, and 3- precipitates warehouse lid, the first bolt of 4-, 5- settling banker, 6- the
Two bolts, 7- filter screen, 8- bottom cover, 9- third bolt, the second metal of 10- wind gasket, 11- divided ring, 12- axle sleeve, 13-
Valve rod, 14- graphite pads, 15- sealing ring, the 4th bolt of 16-, 17- pressing plate, 18- dish plate, 19- gradient pin, 20- composite filling,
21- gland, 22- bracket, 23- turbine operation mechanism, 24- valve body sealing surface.
Specific embodiment
As shown in Figure 1, one kind may filter that impurity seals fused salt butterfly valve, including valve body 1 firmly, the valve body 1 is equipped with settling banker
5, filter screen 7 is fixed in 1 channel of valve body, and the sediment of fused salt and crystallization are intercepted in settling banker 5 by filter screen 7.
The settling banker 5 is equipped with precipitating warehouse lid 3 by the first bolt 4;Precipitating warehouse lid 3 is set with 5 contact site of settling banker
There is the first metal winding gasket 2 to seal.
The filter screen 7 is fixed in 1 channel of valve body by the second bolt 6, dismountable cleaning or replacement.
1 upper and lower end of valve body is respectively equipped with Upper shaft sleeve, Lower shaft sleeve 12, and the axle sleeve is hardened using 316 stainless steel surfaces
Processing.
The butterfly valve further includes valve rod 13, dish plate 18, bottom cover 8;The valve rod 13 sequentially passes through valve body 1, dish plate 18, valve rod 13
Divided ring 11 is stretched out and be inserted in bottom, and bottom cover 8 is fixed by third bolt 9, is provided between the bottom cover 8 and divided ring 11
Second metal winds gasket 10.The dish plate 18 is fixed by gradient pin 19 with valve rod 13.
The butterfly valve further includes pressing plate 17, sealing ring 15, and pressing plate 17 is pressed into contact with by sealing ring 15 with valve body sealing surface 24,
Pressing plate 17 passes through 16 lock sealing circle 15 of the 4th bolt;Graphite pads 14 are equipped between sealing ring 15 and dish plate 18 to seal.
The sealing ring 15 is that the alloy hardening processing of Inconel718 is constituted, and sealing surface is hard sealing;Valve body sealing surface
24 built-up welding STL alloys.
The sealing ring 15, valve body sealing surface 24 use three eccentricity structure, sealed reliable.
Composite filling 20 is inserted on 13 top of valve rod, is sealed by gland 21 by bolt presses.
The valve rod 13 connects turbine operation mechanism 23, and turbine operation mechanism 23 is mounted by means of bolts on the top of bracket 22
Portion.
One kind of the present invention may filter that impurity seals fused salt butterfly valve firmly, and the sediment of fused salt and crystallization are intercepted by filter screen heavy
In shallow lake storehouse 5, the first bolt 4 is unclamped, removable lower precipitating warehouse lid 3 clears up the sediment in settling banker 5, effectively avoids valve because molten
In salt the problem of the blocking of contamination precipitation object, easy leakage.
The filter screen 7 is fixed in 1 channel of valve body by the second bolt 6, dismountable cleaning or replacement, structure letter
Single, sediment and crystallization cleaning are convenient, increase the service life of fused salt in the duct.
The pressing plate 17 by 16 lock sealing circle 15 of the 4th bolt, sealing ring 15 can by 5 on-line maintenance of settling banker or
Person's replacement, reduces maintenance time, reduces maintenance cost.
Claims (10)
1. one kind may filter that impurity seals fused salt butterfly valve, including valve body (1) firmly, it is characterised in that: the valve body (1) is equipped with precipitating
Storehouse (5), filter screen (7) are fixed in valve body (1) channel, and the sediment of fused salt and crystallization are intercepted by filter screen (7) in settling banker
(5) in.
2. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 1, it is characterised in that: the settling banker (5)
Precipitating warehouse lid (3) is installed by the first bolt (4);Precipitating warehouse lid (3) is equipped with the first metal with settling banker (5) contact site and twines
It is sealed around gasket (2).
3. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 1, it is characterised in that: the filter screen (7)
It is fixed in valve body (1) channel by the second bolt (6).
4. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 1, it is characterised in that: on the valve body (1),
Lower end is respectively equipped with Upper shaft sleeve, Lower shaft sleeve (12), and the axle sleeve uses 316 stainless steel surface cure process.
5. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 1, it is characterised in that: the butterfly valve further includes valve
Bar (13), dish plate (18), bottom cover (8);The valve rod (13) sequentially passes through valve body (1), dish plate (18), and valve rod (13) bottom is stretched
It out and is inserted in divided ring (11), bottom cover (8) is fixed by third bolt (9), sets between the bottom cover (8) and divided ring (11)
It is equipped with the second metal winding gasket (10).
6. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 5, it is characterised in that: the dish plate (18) with
Valve rod (13) is fixed by gradient pin (19).
7. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 1, it is characterised in that: the butterfly valve further includes pressure
Plate (17), sealing ring (15), pressing plate (17) are pressed into contact with by sealing ring (15) with valve body sealing surface (24), and pressing plate (17) passes through
4th bolt (16) lock sealing circle (15);Graphite pads (14) are equipped between sealing ring (15) and dish plate (18) to seal.
8. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 7, it is characterised in that: the sealing ring
(15), valve body sealing surface (24) uses three eccentricity structure, sealed reliable.
9. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 7, it is characterised in that: on the valve rod (13)
Composite filling (20) are inserted in portion, are sealed by gland (21) by bolt presses.
10. one kind may filter that impurity seals fused salt butterfly valve firmly according to claim 5, it is characterised in that: the valve rod (13)
It connects turbine operation mechanism (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710757710.2A CN109424753A (en) | 2017-08-29 | 2017-08-29 | One kind may filter that impurity seals fused salt butterfly valve firmly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710757710.2A CN109424753A (en) | 2017-08-29 | 2017-08-29 | One kind may filter that impurity seals fused salt butterfly valve firmly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109424753A true CN109424753A (en) | 2019-03-05 |
Family
ID=65503542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710757710.2A Pending CN109424753A (en) | 2017-08-29 | 2017-08-29 | One kind may filter that impurity seals fused salt butterfly valve firmly |
Country Status (1)
Country | Link |
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CN (1) | CN109424753A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110712166A (en) * | 2019-10-15 | 2020-01-21 | 凯文斯流体控制(江苏)有限公司 | Stop valve and pipeline connecting and mounting equipment thereof |
CN113090422A (en) * | 2021-04-12 | 2021-07-09 | 渭南美联桥汽车新技术研究院有限公司 | High-temperature end valve assembly for exhaust gas recirculation |
-
2017
- 2017-08-29 CN CN201710757710.2A patent/CN109424753A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110712166A (en) * | 2019-10-15 | 2020-01-21 | 凯文斯流体控制(江苏)有限公司 | Stop valve and pipeline connecting and mounting equipment thereof |
CN113090422A (en) * | 2021-04-12 | 2021-07-09 | 渭南美联桥汽车新技术研究院有限公司 | High-temperature end valve assembly for exhaust gas recirculation |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190305 |