CN204284911U - Cryogenic liquid integral type Storing and conveying metering equipment - Google Patents
Cryogenic liquid integral type Storing and conveying metering equipment Download PDFInfo
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- CN204284911U CN204284911U CN201420734912.7U CN201420734912U CN204284911U CN 204284911 U CN204284911 U CN 204284911U CN 201420734912 U CN201420734912 U CN 201420734912U CN 204284911 U CN204284911 U CN 204284911U
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Abstract
The utility model discloses a kind of cryogenic liquid integral type Storing and conveying metering equipment, comprise low-temperature storage tank, described low-temperature storage tank is made up of outer container and inner container; And the pump sump of inner container is extended to from the filling mouth of described low-temperature storage tank; And the immersed pump be placed in described pump sump; And the bottom valve be installed on bottom pump sump, described bottom valve utilizes immersed pump GRAVITY CONTROL, and it is opened; And the electrical equipment to be connected with described immersed pump, for controlling immersed pump start and stop; One end that described pump sump stretches out inner container is provided with liquid outlet, and the fluid pipeline that liquid outlet connects is provided with out flow meters; Described outer container is also provided with a liquid entering hole and extends to inner container, described liquid entering hole connects input duct, and described input duct is provided with feed liquor flowmeter; Described outer container is until inner container also has a manhole.Immersed pump is placed in low-temperature storage tank by the utility model, eliminates the connecting tube between immersed pump and tank, and integrates storage, the conveying of cryogenic liquid and measure.
Description
Technical field
The utility model relates to cryogenic liquid Storing and conveying apparatus field, specifically a kind of cryogenic liquid integral type Storing and conveying metering equipment.
Background technique
In current cryogenic liquid low-temperature storage conveying equipment, immersed pump is generally placed in the pump pond outside storage tank, floor space is large, pump pond is connected by pipeline with storage tank, refrigerating loss is comparatively large, and pipeline needs cold insulation, is interrupted when using and needs to carry out precooling to pump, cause the waste of cryogenic liquid, operating cost improves.In addition, for the liquid be delivered in storage tank and the amount exporting the liquid outside tank, staff cannot carry out intuitive judgment; When equipment in storage tank runs into fault, staff carries out safeguarding and overhaul and also has difficulties.
Model utility content
For solving the problem, the utility model proposes a kind of cryogenic liquid integral type Storing and conveying metering equipment.
The utility model takes following concrete scheme:
A kind of cryogenic liquid integral type Storing and conveying metering equipment, comprising: low-temperature storage tank, described low-temperature storage tank is made up of outer container and inner container; The pump sump of inner container is extended to from the filling mouth of described low-temperature storage tank; And the immersed pump be placed in described pump sump; And the bottom valve be installed on bottom pump sump, described bottom valve utilizes immersed pump GRAVITY CONTROL, and it is opened; And the electrical equipment to be connected with described immersed pump, for controlling immersed pump start and stop;
One end that described pump sump stretches out inner container is provided with liquid outlet, and the fluid pipeline that liquid outlet connects is provided with out flow meters, measures the cryogenic liquid exported from low-temperature storage tank;
Described outer container is also provided with a liquid entering hole and extends to inner container, described liquid entering hole connects input duct, and described input duct is provided with feed liquor flowmeter, measures the cryogenic liquid in input low-temperature storage tank;
Described outer container, until inner container also has a manhole, enters in low-temperature storage tank for staff and carries out maintenance process simulation to immersed pump.
The outside of described manhole is also provided with a manhole cover, for being sealed low-temperature storage tank.
The tank mouth place of described low-temperature storage tank is provided with reinforcing device., stretches to the inner container of low-temperature storage tank for fixing pump sump.
Manhole joint in described inner container is provided with one and extends to staircase bottom inner container.
Described cryogenic liquid is LNG Liquefied natural gas.
The utility model has the advantage of:
(1) take full advantage of the thermal insulation property of storage tank, pump is in cryogenic liquid for a long time, ensures low temperature environment during pump operation, is interrupted when using and does not need precooling in advance, decrease the waste of cryogenic liquid, reduce operating cost;
(2) immersed pump is placed in low-temperature storage tank, eliminates the connecting tube between immersed pump and tank, reduce refrigerating loss, reduce the work difficulty of field fabrication, installation, improve Safety performance and working efficiency, decrease floor space simultaneously;
(3) the fluid pipeline that liquid outlet connects is provided with out flow meters and can measures the cryogenic liquid exported from low-temperature storage tank; And input duct is also provided with feed liquor flowmeter, can the cryogenic liquid in input low-temperature storage tank be measured;
(4) outer container of low-temperature storage tank is until inner container also has a manhole, facilitates staff to enter in low-temperature storage tank like this and carries out maintenance process simulation to immersed pump.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Wherein, 1, liquid entering hole; 11, input duct; 12, feed liquor flowmeter; 2, liquid outlet; 21, fluid pipeline; 22, flow meters is gone out; 3, electrical equipment; 4, pump sump; 5, immersed pump; 6, manhole; 61, manhole cover; 62, staircase; 7, bottom valve; 8, inner container; 9, outer container; 10, reinforcing device..
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of cryogenic liquid integral type Storing and conveying metering equipment, comprise low-temperature storage tank, described low-temperature storage tank is made up of outer container 9 and inner container 8; And the pump sump 4 of inner container 8 is extended to from the filling mouth of described low-temperature storage tank; And the immersed pump 5 be placed in described pump sump 4; And the bottom valve 7 be installed on bottom pump sump 4, described bottom valve 7 utilizes immersed pump 5 GRAVITY CONTROL, and it is opened; And the electrical equipment 3 to be connected with described immersed pump 5, for controlling immersed pump 5 start and stop; One end that described pump sump 4 stretches out inner container 8 is provided with liquid outlet 2, and the fluid pipeline 21 that liquid outlet 2 connects is provided with out flow meters 22, measures the cryogenic liquid exported from low-temperature storage tank; Described outer container 9 be also provided with a liquid entering hole 1 and extend to inner container 8, described liquid entering hole 1 connects input duct 11, and described input duct 11 is provided with feed liquor flowmeter 12, measures the cryogenic liquid in input low-temperature storage tank; Described outer container 9, until inner container 8 also has a manhole 6, enters in low-temperature storage tank for staff and carries out maintenance process simulation to immersed pump.
The outside of described manhole 6 is also provided with a manhole cover 61, for being sealed low-temperature storage tank; Manhole 6 joint in described inner container on 8 is provided with one and extends to staircase 62 bottom inner container 8.
The tank mouth place of described low-temperature storage tank is provided with reinforcing device. 10, stretches to the inner container 8 of low-temperature storage tank for fixing pump sump 4.
Described cryogenic liquid is LNG Liquefied natural gas.
The working procedure of device of the present utility model is:
Cryogenic liquid is from being filled into the inner container 8 of low-temperature storage tank by input duct 11 liquid entering hole 1, and the feed liquor flowmeter 12 in input duct 11 measures the cryogenic liquid in input low-temperature storage tank, judges the amount of the cryogenic liquid in input low-temperature storage tank; When the cryogenic liquid in low-temperature storage tank reaches after certain liquid level, stop filling.
Because immersed pump 5 relies on own wt to be opened by bottom valve 7, after starting immersed pump 5 by electrical equipment 3, reach certain pressure and cryogenic liquid is flowed out storage tank through pump sump 4, liquid outlet 2 and fluid pipeline 21, meanwhile, the flow meters 22 that goes out in fluid pipeline 21 measures the cryogenic liquid in input low-temperature storage tank.
When needs carry out maintenance process simulation to immersed pump 5, staff is through manhole 6, the staircase 62 extended to bottom inner container 8 along manhole 6 joint enters inner container 8, simultaneously, by slowing down the fixing of reinforcing device. 10 pairs of pump sumps 4, pump sump 4 is delivered to bottom inner container 8 to facilitate staff to dismantle immersed pump 5.
Claims (5)
1. a cryogenic liquid integral type Storing and conveying metering equipment, is characterized in that, comprising:
Low-temperature storage tank, described low-temperature storage tank is made up of outer container and inner container; And
The pump sump of inner container is extended to from the filling mouth of described low-temperature storage tank; And
Be placed in the immersed pump in described pump sump; And
Be installed on the bottom valve bottom pump sump, described bottom valve utilizes immersed pump GRAVITY CONTROL, and it is opened; And
The electrical equipment be connected with described immersed pump, for controlling immersed pump start and stop;
One end that described pump sump stretches out inner container is provided with liquid outlet, and the fluid pipeline that liquid outlet connects is provided with out flow meters, measures the cryogenic liquid exported from low-temperature storage tank;
Described outer container is also provided with a liquid entering hole and extends to inner container, described liquid entering hole connects input duct, and described input duct is provided with feed liquor flowmeter, measures the cryogenic liquid in input low-temperature storage tank;
Described outer container, until inner container also has a manhole, enters in low-temperature storage tank for staff and carries out maintenance process simulation to immersed pump.
2. a kind of cryogenic liquid integral type Storing and conveying metering equipment as claimed in claim 1, it is characterized in that, the outside of described manhole is also provided with a manhole cover, for being sealed low-temperature storage tank.
3. a kind of cryogenic liquid integral type Storing and conveying metering equipment as claimed in claim 1, it is characterized in that, the tank mouth place of described low-temperature storage tank is provided with reinforcing device., stretches to the inner container of low-temperature storage tank for fixing pump sump.
4. a kind of cryogenic liquid integral type Storing and conveying metering equipment as claimed in claim 1, is characterized in that, the manhole joint in described inner container is provided with one and extends to staircase bottom inner container.
5. a kind of cryogenic liquid integral type Storing and conveying metering equipment as claimed in claim 1, it is characterized in that, described cryogenic liquid is LNG Liquefied natural gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734912.7U CN204284911U (en) | 2014-11-27 | 2014-11-27 | Cryogenic liquid integral type Storing and conveying metering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734912.7U CN204284911U (en) | 2014-11-27 | 2014-11-27 | Cryogenic liquid integral type Storing and conveying metering equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204284911U true CN204284911U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734912.7U Active CN204284911U (en) | 2014-11-27 | 2014-11-27 | Cryogenic liquid integral type Storing and conveying metering equipment |
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| CN (1) | CN204284911U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287216A (en) * | 2015-06-11 | 2017-01-04 | 张家港中集圣达因低温装备有限公司 | Pressure vessel |
| CN107289318A (en) * | 2016-04-05 | 2017-10-24 | 张家港中集圣达因低温装备有限公司 | Cryogenic tank |
| CN109210004A (en) * | 2018-08-24 | 2019-01-15 | 武汉船用机械有限责任公司 | A kind of immersed pump pump pond |
| CN111486335A (en) * | 2019-01-25 | 2020-08-04 | 国家能源投资集团有限责任公司 | Isolation valve for a pressurized tank |
-
2014
- 2014-11-27 CN CN201420734912.7U patent/CN204284911U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287216A (en) * | 2015-06-11 | 2017-01-04 | 张家港中集圣达因低温装备有限公司 | Pressure vessel |
| CN107289318A (en) * | 2016-04-05 | 2017-10-24 | 张家港中集圣达因低温装备有限公司 | Cryogenic tank |
| CN109210004A (en) * | 2018-08-24 | 2019-01-15 | 武汉船用机械有限责任公司 | A kind of immersed pump pump pond |
| CN109210004B (en) * | 2018-08-24 | 2020-08-25 | 武汉船用机械有限责任公司 | Pump pool of immersed pump |
| CN111486335A (en) * | 2019-01-25 | 2020-08-04 | 国家能源投资集团有限责任公司 | Isolation valve for a pressurized tank |
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