CN207643053U - Low-temperature storage tank perlite supplement fills out nozzle blind plate ball valve device for interchanging - Google Patents
Low-temperature storage tank perlite supplement fills out nozzle blind plate ball valve device for interchanging Download PDFInfo
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- CN207643053U CN207643053U CN201721854015.XU CN201721854015U CN207643053U CN 207643053 U CN207643053 U CN 207643053U CN 201721854015 U CN201721854015 U CN 201721854015U CN 207643053 U CN207643053 U CN 207643053U
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- storage tank
- perlite
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Abstract
The utility model discloses low-temperature storage tank perlite supplements to fill out nozzle blind plate ball valve device for interchanging, and when being related to supplementing perlite after large and medium-sized cryogenic liquid storage tank Cold-keeping Layer settles, perlite charging port blind plate is replaced with ball valve or ball valve is replaced with the device of blind plate.It includes intake valve, safety valve, pressure gauge, air bleeding valve, valve housing, peep hole, glove hole a, glove hole b, bolt hole a, bolt hole b, positioning pin, locking device, valve bottom plate a, valve bottom plate b, sliding bar, connecting plate and ball relief valve that the low-temperature storage tank perlite supplement, which fills out nozzle blind plate ball valve device for interchanging,.The utility model is simple in structure, easy to operate.
Description
Technical field
The utility model is related to a kind of device, supplemented after being settled more particularly to large and medium-sized cryogenic liquid storage tank Cold-keeping Layer precious
When pearl rock, perlite charging port blind plate is replaced with ball valve or ball valve is replaced with the device of blind plate.
Background technology
In the 21st century, China establishes a large amount of low-temperature storage tanks in succession, over time, the Cold-keeping Layer of low-temperature storage tank
Sedimentation is gradually appeared, storage tank thermal insulation is influenced, cryogenic liquid evaporation capacity is significantly increased, and pressure inside the tank increases, to ensure that device is transported
Row safety needs gas being vented or is compressed into liquid again, wastes mass energy.Therefore, because heat preservation is adiabatic precious with expansion
Zhu Yan settle and occur the frosting of storage tank outer wall, icing phenomenon cryogenic liquid storage tank device, should all be replenished in time and fill out adiabatic pearl
Rock reduces cryogenic liquid evaporation capacity, reduces emptying or the re-liquefied energy disappears to ensure that heat insulation layer restores its normal adiabatic effect
Consumption.
Evaporation atmospheric pressure is usually 15Kpa or more inside running cryogenic liquid storage tank, thermal insulation perlite charging port
Generally use blind plate is closed, to realize that the supplement of adiabatic perlite is filled out, it is necessary first to and blind plate is replaced with and fills control ball valve,
So that perlite supplement fills out the installation and switching control of conveyance conduit.
Evaporation atmospheric pressure is very big inside running cryogenic liquid storage tank, under presence, how to safely change blind plate
At ball valve at urgent technical problems to be solved.This technical solution is not solved the problems, such as in the prior art.
Utility model content
In view of this, the purpose of this utility model is that evaporation atmospheric pressure is small inside the cryogenic liquid storage tank solved in operation
In the case of equal to 8KPa, the blind plate of low-temperature storage tank perlite charging port is replaced with ball valve under presence, to carry out
Perlite supplement is filled out.After completion perlite supplement is filled out, ball valve is re-replaced into blind plate.
The utility model provides low-temperature storage tank perlite supplement and fills out nozzle blind plate ball valve device for interchanging, the low-temperature storage tank
It includes intake valve, safety valve, pressure gauge, air bleeding valve, valve housing, observation that perlite supplement, which fills out nozzle blind plate ball valve device for interchanging,
Hole, glove hole a, glove hole b, bolt hole a, bolt hole b, positioning pin, locking device, valve bottom plate a, valve bottom plate b, sliding bar, company
Fishplate bar and ball relief valve, the intake valve output end are welded with valve housing input terminal, and the safety valve is welded with valve housing input terminal
It connects, the pressure gauge is welded with valve housing input terminal, and the air bleeding valve is welded with valve housing input terminal, the peep hole and clack box
Body input terminal welds, and the glove hole a, glove hole b and valve housing input terminal weld, the locking device and valve bottom plate a, valve bottom
Plate b connections.
Preferably, for the locking device with valve bottom plate a, valve bottom plate b using being threadedly coupled, packing is encrypted in junction.
Preferably, valve bottom plate a, valve bottom plate b are located at the lower section of valve housing, and both sides are symmetrical, valve bottom plate a and valve bottom plate b
Between positioning realized by positioning pin, bolt hole a, bolt hole b and be bolted, all contact surfaces are using sealing joint strip sealing.
Preferably, a pressure-resistant closed operation is formed by locking device with valve bottom plate a, valve bottom plate b using sealing valve housing
Space by glove hole a, glove hole b and moves up and down sliding bar, realize perlite filling nozzle blind plate and ball relief valve it is mutual
It changes.
By the above technical solution provided by the utility model as it can be seen that the utility model has the following technical effects：This practicality
New structure is simple and convenient to operate.
Description of the drawings
The structure that Fig. 1 fills out nozzle blind plate ball valve device for interchanging for low-temperature storage tank perlite provided by the utility model supplement is shown
It is intended to.
1- intake valve 2- safety valve 3- pressure gauge 4- air bleeding valve 5- valve housings
6- peep hole 7- glove hole a 8- bolt hole a 9- positioning pin 10- locking devices
11- valve bottom plate a 12- sliding bar 13- connecting plate 14- ball relief valve 15- blind plates
16- flange gasket 17- bolt and nut 18- charging port flanges 19- filling pipes
20- valve bottom plate b 21- glove hole b 22- bolts hole b
Specific implementation mode
It is new to this practicality below in conjunction with the accompanying drawings in order to make those skilled in the art more fully understand the utility model
Type is described in further detail：
The utility model is suitable for the case where evaporation atmospheric pressure is less than or equal to 8KPa inside running cryogenic liquid storage tank
Under.
The utility model provides low-temperature storage tank perlite supplement and fills out nozzle blind plate ball valve device for interchanging, the low-temperature storage tank
Perlite supplement fill out nozzle blind plate ball valve device for interchanging include intake valve 1, safety valve 2, pressure gauge 3, air bleeding valve 4, valve housing 5,
Peep hole 6, glove hole a7, glove hole b21, bolt hole a8, bolt hole b22, positioning pin 9, locking device 10, valve bottom plate a11, valve
Bottom plate b20, sliding bar 12, connecting plate 13 and ball relief valve 14,1 output end of the intake valve are welded with 5 input terminal of valve housing, institute
It states safety valve 2 to weld with 5 input terminal of valve housing, the pressure gauge 3 is welded with 5 input terminal of valve housing, the air bleeding valve 4 and clack box
5 input terminal of body welds, and the peep hole 6 is welded with 5 input terminal of valve housing, the glove hole a7, glove hole b21 and valve housing 5
Input terminal welds, and the locking device 10 is connect with valve bottom plate a11, valve bottom plate b20.
For the locking device 10 with valve bottom plate a11, valve bottom plate b20 using being threadedly coupled, packing is encrypted in junction.
Valve bottom plate a11, valve bottom plate b20 are located at the lower section of valve housing 5, and both sides are symmetrical, valve bottom plate a11 and valve bottom plate
Positioning is realized by positioning pin 9, bolt hole a8, bolt hole b22 between b20 and is bolted, all contact surfaces use fluid sealant
Item seals.
One pressure-resistant closed operation is formed by locking device 10 with valve bottom plate a11, valve bottom plate b20 using sealing valve housing 5
Space by glove hole a7, glove hole b21 and moves up and down sliding bar 12, realizes perlite filling nozzle blind plate 15 and safety
The exchange of ball valve 14.
Blind plate is replaced with to the operation of ball valve：Cleaning filling 19 pipeline outer wall of pipe winds sealing joint strip, fixed valve bottom plate
A11, valve bottom plate b20 are sealed between Symmetrical Valve bottom plate a11, two pieces of valve bottom plate b20 using sealing joint strip, are closed in ball relief valve 14
Closed state fixes ball relief valve 14 and 13 screw of connecting plate, and lower flange 16 gluings of pad are firm, and sliding bar 12 passes through valve housing
5 are threadedly coupled with connecting plate 13, and pressure-resistant gloves are fixed on glove hole a7, glove hole b21, and explosion-proof instrument is placed on valve bottom
On plate a11, valve housing 5 is covered on valve bottom plate a11 and is locked by locking device 10, opened air bleeding valve 4 and nitrogen is filled with by air inlet pipe
Gas, adjustment air bleeding valve 4 stablize clack box internal pressure power 8KPa, detect gas vent oxygen concentration, reach 1% hereinafter, confirming storage tank internal pressure
Power, adjustment air bleeding valve 4 stablize clack box internal pressure power and are more than tank inner pressure, and operating personnel dismantle 15 spiral shell of blind plate by pressure-resistant gloves
Silk, blind plate 15 is placed on valve bottom plate a11,18 end face of cleaning charging port flange, by sliding bar 12 by ball relief valve 14 with
Charging port flange 18 docks, and by screw tightening, closes intake valve 1, and pressure opens locking device 10 after losing, removes valve housing 5,
Fastening charging port screw ensures that fuel gas is not revealed again, and valve work is changed in completion.
After completion supplement fills out perlite work, need to change ball valve into blind plate, operating process again：Clear up perlite filling
19 outer wall of pipe, installation valve bottom plate a11, valve bottom plate b20 realize positioning and spiral shell by positioning pin 9, bolt hole a8 and bolt hole b22
It tethers and connects, valve housing 5 is installed, realized by locking device 10 and be threadedly coupled and lock, all contact surfaces are real using sealing joint strip
It now seals, by glove hole a7, glove hole b21 operation cleaning 15 end face of blind plate and adhering and sealing pad, by intake valve 1 to sealing
Inert nitrogen gas is injected in clack box, by adjusting pressure in 4 stabilized seal valve housing 5 of air bleeding valve to design value, unclamps safety
14 fastening bolt of ball valve promotes ball relief valve 14 by sliding bar 12, and installation perlite filling nozzle blind plate 15 passes through glove hole
A7, glove hole b21 operations realize that blind plate 15 connect fastening with the bolt for filling nozzle, complete ball relief valve 14 and blind plate 15
Replacement process.
By the above technical solution provided by the utility model as it can be seen that the utility model has the following technical effects：This practicality
New structure is simple and convenient to operate.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (4)
1. low-temperature storage tank perlite supplement fills out nozzle blind plate ball valve device for interchanging, it is characterised in that：The low-temperature storage tank perlite
It includes intake valve (1), safety valve (2), pressure gauge (3), air bleeding valve (4), valve housing that supplement, which fills out nozzle blind plate ball valve device for interchanging,
(5), peep hole (6), glove hole a (7), glove hole b (21), bolt hole a (8), bolt hole b (22), positioning pin (9), locking dress
Set (10), valve bottom plate a (11), valve bottom plate b (20), sliding bar (12), connecting plate (13) and ball relief valve (14), the intake valve
(1) output end is welded with valve housing (5) input terminal, and the safety valve (2) is welded with valve housing (5) input terminal, the pressure gauge
(3) it is welded with valve housing (5) input terminal, the air bleeding valve (4) is welded with valve housing (5) input terminal, the peep hole (6) and valve
Babinet (5) input terminal welds, and the glove hole a (7), glove hole b (21) and valve housing (5) input terminal weld, the locking dress
(10) are set to connect with valve bottom plate a (11), valve bottom plate b (20).
2. low-temperature storage tank perlite according to claim 1 supplement fill out nozzle blind plate ball valve device for interchanging it is characterized in that：
For the locking device (10) with valve bottom plate a (11), valve bottom plate b (20) using being threadedly coupled, packing is encrypted in junction.
3. low-temperature storage tank perlite supplement according to claim 1 fills out nozzle blind plate ball valve device for interchanging, it is characterised in that：
Valve bottom plate a (11), valve bottom plate b (20) are located at the lower section of valve housing (5), and both sides are symmetrical, valve bottom plate a (11) and valve bottom plate b
(20) positioning is realized by positioning pin (9), bolt hole a (8), bolt hole b (22) between and is bolted, all contact surfaces use
Sealing joint strip seals.
4. low-temperature storage tank perlite supplement according to claim 1 fills out nozzle blind plate ball valve device for interchanging, it is characterised in that：
One pressure-resistant closed operation is formed by locking device (10) with valve bottom plate a (11), valve bottom plate b (20) using sealing valve housing (5)
Space by glove hole a (7), glove hole b (21) and moves up and down sliding bar (12), realizes that perlite fills nozzle blind plate
(15) with the exchange of ball relief valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854015.XU CN207643053U (en) | 2017-12-27 | 2017-12-27 | Low-temperature storage tank perlite supplement fills out nozzle blind plate ball valve device for interchanging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854015.XU CN207643053U (en) | 2017-12-27 | 2017-12-27 | Low-temperature storage tank perlite supplement fills out nozzle blind plate ball valve device for interchanging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207643053U true CN207643053U (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721854015.XU Active CN207643053U (en) | 2017-12-27 | 2017-12-27 | Low-temperature storage tank perlite supplement fills out nozzle blind plate ball valve device for interchanging |
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| CN (1) | CN207643053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044567A (en) * | 2017-12-27 | 2018-05-18 | 天津英康科技股份有限公司 | Low-temperature storage tank perlite supplement fills out nozzle blind plate ball valve device for interchanging |
-
2017
- 2017-12-27 CN CN201721854015.XU patent/CN207643053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044567A (en) * | 2017-12-27 | 2018-05-18 | 天津英康科技股份有限公司 | Low-temperature storage tank perlite supplement fills out nozzle blind plate ball valve device for interchanging |
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