CN207514573U - A kind of small-sized point supplies LNG gasification sledge - Google Patents
A kind of small-sized point supplies LNG gasification sledge Download PDFInfo
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- CN207514573U CN207514573U CN201721508291.0U CN201721508291U CN207514573U CN 207514573 U CN207514573 U CN 207514573U CN 201721508291 U CN201721508291 U CN 201721508291U CN 207514573 U CN207514573 U CN 207514573U
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Abstract
The utility model is related to a kind of small-sized points to supply LNG gasification sledge, including LNG Dewar bottles, the interface of LNG Dewar bottles passes through connection by metal hose low temperature main pipeline, low-temperature welding shut-off valve is installed on low temperature main pipeline, the downstream connection intermediate pressure section main pipeline of low temperature main pipeline, air temperature vaporizer is housed between low temperature main pipeline and intermediate pressure section main pipeline, pressure gauge is installed on intermediate pressure section main pipeline, intermediate pressure section Safety relief valve, main line ball valve, pressure gauge is connected by pressure measuring valve one with intermediate pressure section main pipeline, the downstream connection low pressure stage main pipeline of intermediate pressure section main pipeline, low pressure stage main pipeline is equipped with bellows table, low pressure stage Safety relief valve, bellows table is connected by pressure measuring valve two with low pressure stage main pipeline, low pressure stage Safety relief valve is connected by diffusing pipeline ball valve with low pressure stage main pipeline；The utility model with the natural gas energy resource of safely cleaning and can save spending using fuel for the use of, moreover it is possible to which guarantee is not take up excessive usable floor area, and installation and maintenance facilitate.
Description
[technical field]
The utility model is related to natural gas supply systems technology field, specifically a kind of small-sized point supplies LNG gasification sledge.
[background technology]
In recent years, even accounting of the natural gas in resident is more and more, and due to requirement of the country to environmental protection increasingly
Height, originally using the places such as the remote districts of coal and LPG and the restaurant, the restaurant that are not easy to use pipeline gas for natural gas
Demand it is very big.Pipeline gas takes up a large area, it is impossible to be arranged on the place of densely populated place.
LNG gasification sledge is a kind of natural gas by low temperature liquid, is gasificated into the gaseous natural gas of room temperature, and by decompression it is steady
It is depressed into the device of user's specified pressure.Conventional LNG gasification sledge is mainly used for before pipeline gas yard will build and not build.But it
Placement place often as natural gas station, all in the not intensive place of personnel, and take up a large area, flow is relatively multiple
It is miscellaneous.In addition, some new rural villages, small medium-sized individual restaurant, restaurant are still using the fuel such as LPG, coal.
[utility model content]
The purpose of this utility model seeks to solve above-mentioned deficiency and provide a kind of small-sized point for LNG gasification sledge, can
With the natural gas energy resource of safely cleaning, and the spending for the use of fuel can be saved, moreover it is possible to which guarantee is not take up excessive use
Area, and installation and maintenance are convenient.
A kind of small-sized point is designed to achieve the above object for LNG gasification sledge, including LNG Dewar bottles 1, low temperature main pipeline 17,
Intermediate pressure section main pipeline 18, low pressure stage main pipeline 20, the interface 14 of the LNG Dewar bottles 1 connect low temperature master by metal hose 16
Pipeline 17 is installed with low-temperature welding shut-off valve 2 on the low temperature main pipeline 17, is pressed in the downstream connection of the low temperature main pipeline 17
Section main pipeline 18, equipped with air temperature vaporizer 3, medium pressure section supervisor between the low temperature main pipeline 17 and intermediate pressure section main pipeline 18
Be installed with pressure gauge 5, intermediate pressure section Safety relief valve 6, main line ball valve 7 on road 18, the pressure gauge 5 by one 4a of pressure measuring valve with
Intermediate pressure section main pipeline 18 connects, the downstream connection low pressure stage main pipeline 20 of medium pressure section main pipeline 18, the low pressure stage supervisor
Road 20 is equipped with bellows table 11, low pressure stage Safety relief valve 12, and the bellows table 11 is responsible for by two 4b of pressure measuring valve and low pressure stage
Road 20 connects, and the low pressure stage Safety relief valve 12 is connected by diffusing pipeline ball valve 13 with low pressure stage main pipeline 20.
Further, in medium pressure section main pipeline 18 be equipped with pressure regulation unit, the pressure regulation unit by level-one pressure regulator valve 8 with
And second voltage regulation valve 10 is formed, the port of export of the arrival end connection main line ball valve 7 of the level-one pressure regulator valve 8, the two level tune
The port of export connection low pressure stage main pipeline 20 of pressure valve 10.
Further, the pipeline between the level-one pressure regulator valve 8 and second voltage regulation valve 10 divides equipped with the curved mouth ball valve 9 of brass
Branch, the level-one pressure regulator valve 8, second voltage regulation valve 10 are connected respectively by pressure pipe 19 with low pressure stage main pipeline 20.
Further, the second voltage regulation valve 10 is using the pressure regulator valve with cutting function.
Further, combustible gas detector is further included, the combustible gas detector is arranged on outside LNG gasification sledge,
The combustible gas detector passes through connection buzzer siren.
The utility model compared with the existing technology, by the liquified natural gas of the low temperature come out from LNG Dewar bottles passes through metal
After hose, into low temperature main pipeline, then pressed in heating inflow downstream after low-temperature welding shut-off valve enters air temperature vaporizer
Section main pipeline, and pressure regulation unit is flowed into after passing through main line ball valve, intermediate pressure section main pipeline is equipped with pressure gauge, and passes through pressure
Valve is attached thereto and Safety relief valve is to ensure pipeline safety, and the normal-temperature natural-gas after heating flows into after pressure regulation unit
The low pressure stage main pipeline in downstream flows through main line ball valve and is led at downstream user by the connection outlet of entire sledge, the LNG gasification
The place that sledge carries out life operation for script using LPG and coal provides a kind of new method, can either make them with safety
The clean energy-natural gas, and the spending for the use of fuel can be saved, moreover it is possible to guarantee is not take up excessive usable floor area, accounts for
Ground area is small, light-weight, simple in structure, convenient for placement, installation and maintenance；In addition, LNG gasification sledge described in the utility model is set
There is multilevel security protective device, with the guarantee personal safety as well as the property safety of gas entity and individual, security performance is high；And all gas supply
It is provided by equipment supplying unit, purchase gas is removed without user oneself, it is very convenient；Moreover, be natural gas with gas, generation of burning
Product is CO2 and H2O, and calorific value is high, clean energy, the phenomenon that there is no wall by sooting, very economical environmental protection.
[description of the drawings]
Fig. 1 is the structure diagram of the utility model；
In figure：1st, LNG Dewar bottles 2, low-temperature welding shut-off valve 3, air temperature vaporizer 4a, one 4b of pressure measuring valve, pressure measuring valve 25,
The curved mouth ball valve 10 of pressure gauge 6, intermediate pressure section Safety relief valve 7, main line ball valve 8, level-one pressure regulator valve 9, brass, second voltage regulation valve
11st, bellows table 12, low pressure stage Safety relief valve 13, diffuse pipeline ball valve 14, be interface 15, connection outlet 16, metal hose 17, low
Warm main pipeline 18, passes through pressure pipe 20, low pressure stage main pipeline at intermediate pressure section main pipeline 19.
[specific embodiment]
The utility model is made below in conjunction with the accompanying drawings further explained below：
As shown in Figure 1, the utility model includes：It is LNG Dewar bottles 1, low temperature main pipeline 17, intermediate pressure section main pipeline 18, low
Press section main pipeline 20, the interfaces 14 of LNG Dewar bottles 1 connects low temperature main pipeline 17 by metal hose 16, on low temperature main pipeline 17
It is installed with low-temperature welding shut-off valve 2, the downstream connection intermediate pressure section main pipeline 18 of low temperature main pipeline 17, low temperature main pipeline 17 and middle pressure
Air temperature vaporizer 3 between section main pipeline 18 is housed, pressure gauge 5, intermediate pressure section Safety relief valve are installed on intermediate pressure section main pipeline 18
6th, main line ball valve 7, pressure gauge 5 are connected by one 4a of pressure measuring valve with intermediate pressure section main pipeline 18, the downstream of intermediate pressure section main pipeline 18
Low pressure stage main pipeline 20 is connected, low pressure stage main pipeline 20 is equipped with bellows table 11, low pressure stage Safety relief valve 12, and bellows table 11 is logical
It crosses two 4b of pressure measuring valve to connect with low pressure stage main pipeline 20, low pressure stage Safety relief valve 12 is by diffusing pipeline ball valve 13 and low pressure stage
Main pipeline 20 is connected, and low pressure stage main pipeline 20 is led to by connection outlet 15 at downstream user；Further include combustible gas detector,
Combustible gas detector is arranged on outside LNG gasification sledge, and combustible gas detector passes through connection buzzer siren.
In the intermediate pressure section main pipeline 18 of the utility model be equipped with pressure regulation unit, by pressure regulation cell pairs press section natural gas into
Row voltage-regulation voltage-stabilization, pressure regulation unit are made of level-one pressure regulator valve 8 and second voltage regulation valve 10, and second voltage regulation valve 10 is used to carry and be cut
The pressure regulator valve of disconnected function, the port of export of the arrival end connection main line ball valve 7 of level-one pressure regulator valve 8, the outlet of second voltage regulation valve 10
End connection low pressure stage main pipeline 20, wherein, the pipeline between level-one pressure regulator valve 8 and second voltage regulation valve 10 is equipped with the curved mouth ball of brass
9 branch of valve, level-one pressure regulator valve 8, second voltage regulation valve 10 are connected respectively by pressure pipe 19 with low pressure stage main pipeline 20.
The utility model utilizes the gaseous natural gas of low temperature that gasifies out from LNG Dewar bottles, to downstream middle-size and small-size restaurant,
The occasion of the fuel such as the common LPG such as restaurant, coal is supplied.Specially：Gas is natural by the low temperature liquid in LNG Dewar bottles
Gas flows into air temperature vaporizer 3 and is heated, the temperature of cryogenic gaseous natural gas is warming up to normal temperature state, subsequently into main
Pressure-reduced and-regulated processing is carried out by the pressure regulation unit that level-one pressure regulator valve 8 and second voltage regulation valve 10 are formed, finally by the steady of Room-temperature low-pressure
Natural gas transportation is determined to downstream user.
The utility model solves prior art problem, mainly adopts the following technical scheme that：First, according to restaurant, restaurant etc.
These are designed according to the gas consumption of actual needs with the lasting place of gas, are provided and are met gas consumption, safe and economical with gas
Small-sized LNG sledges.The cryogenic natural gas of liquid is loaded using LNG Dewar bottles, it is gasificated into the middle pressure gaseous natural gas of room temperature,
And pass through pressure regulator valve and pressure-reduced and-regulated is carried out to it, finally it is delivered to downstream user.Second is that in order to avoid user up-front investment into
This, being responsible for offer equipment and plant maintenance, user by my company need to only be responsible for using gas cost.
The operation principle of the utility model is：After the natural gas of liquid comes out from LNG Dewar bottles 1, using from LNG Dewars
The liquified natural gas (operating pressure is 4~14bar) of the low temperature of bottle out, after metal hose 16, into low temperature main pipeline
17, and be connected with low-temperature welding shut-off valve 2, to control the supply of liquified natural gas manually, when downstream is not needed to gas, close
Fall the valve, this valve is then opened when downstream is needed with gas.By air temperature vaporizer 3, low temperature liquid natural gas exists with air
It is fully exchanged heat in air temperature vaporizer, therefore the heating of low temperature liquid natural gas becomes the middle pressure natural gas of room temperature, flows into downstream
Intermediate pressure section main pipeline 18, and pass through main line ball valve 7, first time pressure regulation is carried out into the level-one pressure regulator valve 8 in pressure regulation unit, it will
4bar or so is arrived in pressure reduction, into the 10 further pressure regulation of second voltage regulation valve, become with user's steam stove atmospheric pressure, about 2~
Then 3.5kPa flows into the low pressure stage main pipeline 20 in downstream, passes through main line and block ball valve, pass through the connection outlet of entire sledge
15 lead at downstream user.
In order to ensure the trouble-free operation of whole system, the intermediate pressure section main pipeline 18 and low pressure stage of the utility model after gasification
Pressure gauge 5, bellows table 11 and intermediate pressure section Safety relief valve 6, low pressure stage Safety relief valve 12 are set respectively on main pipeline 20,
In, pressure gauge 5, bellows table 11 are all connected by pressure measuring valve with main line.Different pressures section sets pressure gauge, the film of different ranges
Box table is the pressure change state that respective tube road true can be viewed for the ease of operator, is not only convenient for live behaviour in this way
Make, in case of leaking, prompting can also be made to operator.In addition, outside the gasification sledge, combustible gas detecting is set
Instrument is accused once natural gas leaking occurring, buzzer will occur with warning, and operating personnel should stop operation and carry out failure at this time
Investigation.
In the practical pressure regulation course of work, natural gas is as follows in the state of LNG Dewar bottles：4~14bar of operating pressure, temperature
- 163~-148 DEG C of degree, liquid；And the natural gaseity in exit is：2~3.5kPa of operating pressure, room temperature.Do not have in the market
The gas of 14bar can be once decompressed to 2kPa without influencing its precision by any a pressure regulator, and therefore, the utility model uses
Second voltage regulation can solve the problems, such as this very well.In order to ensure the operational safety of system, used in second voltage regulation with cut-out work(
The pressure regulator valve 10 of energy, this cutting function can make to cut off rapidly when outlet pressure is more than its setting value, ensure downstream user
And the safety of equipment, if voltage adjusting device damages, downstream pressure can constantly rise, and be put safely when rising to down stream low pressure section
When diffusing pressure value of valve 12 is dissipated, the gas of superpressure part will be disposed to air, so as to also reach protection downstream user
Purpose.In addition, if working as downstream user no longer uses gas, and air temperature vaporizer is also not up to saturation use state, therefore upstream liquid
The natural gas of body state is still gasified constantly, this can cause the air pressure in intermediate pressure section main pipeline 18 constantly to rise, and work as pressure
Power rises to when diffusing pressure value of intermediate pressure section Safety relief valve 6, and the gas of superpressure part will be disposed to air, so as to also reach
To protection equipment and the purpose of user.
The utility model is simultaneously not limited to the embodiments described above, and other any spirit without departing from the utility model are real
Matter with made under principle change, modification, replacement, combine, simplification, should be equivalent substitute mode, be included in this practicality
Within novel protection domain.
Claims (5)
1. a kind of small-sized point supplies LNG gasification sledge, it is characterised in that：Including LNG Dewar bottles (1), low temperature main pipeline (17), intermediate pressure section
Main pipeline (18), low pressure stage main pipeline (20), the interface (14) of the LNG Dewar bottles (1) are low by metal hose (16) connection
Warm main pipeline (17) is installed with low-temperature welding shut-off valve (2) on the low temperature main pipeline (17), the low temperature main pipeline (17)
Downstream connection intermediate pressure section main pipeline (18) vaporizes between the low temperature main pipeline (17) and intermediate pressure section main pipeline (18) equipped with air temperature
Device (3) is installed with pressure gauge (5), intermediate pressure section Safety relief valve (6), main line ball valve on medium pressure section main pipeline (18)
(7), the pressure gauge (5) is connected by pressure measuring valve one (4a) with intermediate pressure section main pipeline (18), medium pressure section main pipeline (18)
Downstream connection low pressure stage main pipeline (20), the low pressure stage main pipeline (20) is equipped with bellows table (11), low pressure stage and puts safely
Valve (12) is dissipated, the bellows table (11) is connected by pressure measuring valve two (4b) with low pressure stage main pipeline (20), the low pressure stage safety
Diffusion valve (12) is connected by diffusing pipeline ball valve (13) with low pressure stage main pipeline (20).
2. small-sized point as described in claim 1 supplies LNG gasification sledge, it is characterised in that：It is set in medium pressure section main pipeline (18)
There is pressure regulation unit, the pressure regulation unit is made of level-one pressure regulator valve (8) and second voltage regulation valve (10), the level-one pressure regulator valve
(8) port of export of arrival end connection main line ball valve (7), the port of export connection low pressure stage supervisor of the second voltage regulation valve (10)
Road (20).
3. small-sized point as claimed in claim 2 supplies LNG gasification sledge, it is characterised in that：The level-one pressure regulator valve (8) and two level tune
Pipeline between pressure valve (10) is equipped with curved mouth ball valve (9) branch of brass, the level-one pressure regulator valve (8), second voltage regulation valve (10)
It is connected respectively by pressure pipe (19) with low pressure stage main pipeline (20).
4. small-sized point as claimed in claim 3 supplies LNG gasification sledge, it is characterised in that：The second voltage regulation valve (10) is using band
There is the pressure regulator valve of cutting function.
5. small-sized point as claimed in claim 4 supplies LNG gasification sledge, it is characterised in that：Combustible gas detector is further included, it is described
Combustible gas detector is arranged on outside LNG gasification sledge, and the combustible gas detector passes through connection buzzer siren.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508291.0U CN207514573U (en) | 2017-11-13 | 2017-11-13 | A kind of small-sized point supplies LNG gasification sledge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508291.0U CN207514573U (en) | 2017-11-13 | 2017-11-13 | A kind of small-sized point supplies LNG gasification sledge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514573U true CN207514573U (en) | 2018-06-19 |
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ID=62537561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721508291.0U Active CN207514573U (en) | 2017-11-13 | 2017-11-13 | A kind of small-sized point supplies LNG gasification sledge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207514573U (en) |
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2017
- 2017-11-13 CN CN201721508291.0U patent/CN207514573U/en active Active
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