CN207729240U - BOG air temperature type gasifying suppliers - Google Patents

BOG air temperature type gasifying suppliers Download PDF

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Publication number
CN207729240U
CN207729240U CN201720832818.9U CN201720832818U CN207729240U CN 207729240 U CN207729240 U CN 207729240U CN 201720832818 U CN201720832818 U CN 201720832818U CN 207729240 U CN207729240 U CN 207729240U
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CN
China
Prior art keywords
ball valve
bog
valve
pressure
ball
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Expired - Fee Related
Application number
CN201720832818.9U
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Chinese (zh)
Inventor
先东
吴禹
吴新华
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LESHAN SHANYING MOLD CO Ltd
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LESHAN SHANYING MOLD CO Ltd
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Priority to CN201720832818.9U priority Critical patent/CN207729240U/en
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Abstract

It is a part of boil-off gas that LNG is caused by heat absorption or pressure change the utility model discloses a kind of BOG air temperature types gasifying supplier.Storage tank Daily boil-off-rate is about 0.15%~0.3%, the vaporized gas (abbreviation BOG) in this part.If discharge in time, will cause pressure of storage tank to increase, it is provided with decompression regulating valve thus, BOG can be automatically drained out according to pressure.The BOG that the BOG and tank car of storage tank evaporation unload enters BOG storage tanks after being heated by 1 BOG heater and stores, and when using water-bath type NG heaters in winter, BOG can be used as the fuel of hot-water boiler, and summer can enter pipe network.

Description

BOG air temperature type gasifying suppliers
Technical field
The utility model is related to a kind of gasifying suppliers, are especially a kind of BOG air temperature types gasifying supplier.
Background technology
BOG air temperature type gasifying suppliers are a part of boil-off gas that LNG is caused by heat absorption or pressure change.Storage tank Daily boil-off-rate is about 0.15%~0.3%, the vaporized gas (abbreviation BOG) in this part.Existing gasification air feed equipment is comprehensive It is poor to close performance, not environmentally, is not easy to move.
Utility model content
Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of BOG air temperature types gasifying supplier herein.
The utility model is realized in this way constructing a kind of BOG air temperature types gasifying supplier, it is characterised in that:Including BOG air-heating type gasifiers, needle-like shut-off valve A, pressure gauge A, ball valve A, safety valve A, ball valve B, temperature transmitter, ball valve C, pressure regulation The cut-out of device band, ball valve D, ball valve E, ball valve F, safety valve B, needle-like shut-off valve B, pressure gauge B, ball valve G, ball valve H, water-bath type electricity add Hot device, ball valve I, ball valve J, ball valve K, safety valve C, ball valve L plus smelly system, electrical control cabinet;
Wherein, output end connection needle-like shut-off valve A, pressure gauge A, ball valve A, safety valve A, the ball of BOG air-heating type gasifiers Valve B, ball valve H;Output end setting temperature transmitter, ball valve C, the cut-out of pressure regulator band, the ball valve D of ball valve B;Ball valve G forms ball valve C, the cut-out of pressure regulator band, the bypass of ball valve D;Water-bath type electric heater is connect with ball valve H and ball valve I respectively;
Output end setting ball valve E, ball valve F, safety valve B, needle-like shut-off valve B, the pressure gauge B of the ball valve D(15);Ball valve L is connect with smelly system is added.
BOG air temperature types gasifying supplier described in the utility model is one that LNG is caused by heat absorption or pressure change Divide boil-off gas.Storage tank Daily boil-off-rate is about 0.15%~0.3%, the vaporized gas (abbreviation BOG) in this part.If in time Discharge, will cause pressure of storage tank to increase, and is provided with decompression regulating valve thus, can be automatically drained out BOG according to pressure.Storage tank evaporation The BOG that BOG and tank car are unloaded is entered BOG storage tanks after being heated by 1 BOG heater and stored, added in winter using water-bath type NG When hot device, BOG can be used as the fuel of hot-water boiler, and summer can enter pipe network.
When car unloading operation, after liquid LNG is all discharged into storage tank, storage tank liquid flowing valve is closed, is full of gas in tank car at this time Phase natural gas;At the end of unloading, liquid phase pipeline remnant liquefied natural gas fails completely into storage tank, and unloading booster page must Right remnant natural gas;When storage tank feed liquor, with the entrance of liquid phase, pressure of storage tank necessarily increases, and gas phase passes through bypath valve Recycling;Liquefied natural gas also has a certain amount of spontaneous vaporization rate in storage tank during use;The gaseous natural gas of these parts returns Time receiving temperature is extremely low, and need to pass through BOG gasifiers can further recycle with external environment heat exchange, into pressure regulation metering, warp Pressure pipeline in crossing outside pressure regulation, metering plus smelly rear feeding station.
The design takes tank car from pressure way of recycling recycling BOG.Design structure uses, and BOG gasification systems, water-bath type electricity add Hot device system, pressure regulation output system, safety system, pressure system, temperature system, bypass system and add smelly system be incorporated to use Gas pipe network, winter, which can enter through water-bath type heater by voltage-regulating system, uses gas pipe network.Summer can enter pipe network through BOG and can be used as The fuel of hot-water boiler.BOG gasification systems, water-bath type electric heater system can enable simultaneously.
The utility model has the following advantages that:
1, energy conservation and environmental protection, it is mobile flexibly, gas supply is rapid, convenient transfer, unattended.
2, equipment uses integrated system design:BOG air-heating type gasifiers;Water-bath type electric heater system is for automatic Compensation;Voltage-regulating system;Add smelly system;Safety system, electric control system are simple to operate in one.
3, energy saving in running, BOG gasifications absorb amount of heat and are naturally done, and whole system is under conditions of without the external energy It can work normally.
4, it import and is connected for low temperature resistant stainless steel flexible hose between gas-liquid module, there is connection quickly, conveniently, safely.
5, design structure is compact, heating properties are reliable, the precision of voltage regulation is high, low noise.
6, it is suitable for:Transmission & distribution station, zone user, industrial user, gas station etc..
7, data acquire:The ginsengs such as needed collection site pressure, temperature plus smelly, Gas Components, equipment running status Number is passed to control room, carries out remote monitoring.
8, BOG is gaseous natural gas after gasification, and clean energy resource utility value is high.
Description of the drawings
Fig. 1 is the utility model BOG air temperature type gasifying supplier overall schematics.
Wherein:BOG air-heating type gasifiers 1, needle-like shut-off valve A2, pressure gauge A3, ball valve A4, safety valve A5, ball valve B6, temperature Spend transmitter 7, ball valve C8, pressure regulator band cut-out 9, ball valve D10, ball valve E11, ball valve F12, safety valve B13, needle-like shut-off valve B14, pressure gauge B15, ball valve G16, ball valve H17, water-bath type electric heater 18, ball valve I19, ball valve J20, ball valve K21, safety valve C22, ball valve L23 plus smelly system 24, electrical control cabinet 25.
Specific implementation mode
The utility model is described in detail below in conjunction with attached drawing 1, to the technical side in the utility model embodiment Case is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work Under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of BOG air temperature types gasifying supplier herein by improving, as shown in Figure 1, can be by It is practiced according to such as under type;Including BOG air-heating type gasifiers 1, needle-like shut-off valve A2, pressure gauge A3, ball valve A4, safety valve A5, ball valve B6, temperature transmitter 7, ball valve C8, pressure regulator band cut-out 9, ball valve D10, ball valve E11, ball valve F12, safety valve B13, Needle-like shut-off valve B14, pressure gauge B15, ball valve G16, ball valve H17, water-bath type electric heater 18, ball valve I19, ball valve J20, ball valve K21, safety valve C22, ball valve L23 plus smelly system 24, electrical control cabinet 25;
Wherein, output end connection needle-like shut-off valve A2, pressure gauge A3, ball valve A4, the safety valve of BOG air-heating type gasifiers 1 A5, ball valve B6, ball valve H17;Output end setting temperature transmitter 7, ball valve C8, pressure regulator band cut-out 9, the ball valve D10 of ball valve B6; Ball valve G16 forms ball valve C8, pressure regulator band cut-out 9, the bypass of ball valve D10;Water-bath type electric heater 18 respectively with ball valve H17 and Ball valve I19 connections;
Output end setting ball valve E11, ball valve F12, safety valve B13, needle-like shut-off valve B14, the pressure gauge of the ball valve D10 B15;Ball valve L23 is connect with smelly system 24 is added.
BOG air temperature type gasifying suppliers are a part of boil-off gas that LNG is caused by heat absorption or pressure change.Storage tank Daily boil-off-rate is about 0.15%~0.3%, the vaporized gas (abbreviation BOG) in this part.If discharge in time, will cause to store up Pressure tank increases, and is provided with decompression regulating valve thus, can be automatically drained out BOG according to pressure.The BOG and tank car of storage tank evaporation unload BOG, enter BOG storage tanks after being heated by 1 BOG heater and store, when using water-bath type NG heaters in winter, BOG can As the fuel of hot-water boiler, summer can enter pipe network.
When car unloading operation, after liquid LNG is all discharged into storage tank, storage tank liquid flowing valve is closed, is full of gas in tank car at this time Phase natural gas;At the end of unloading, liquid phase pipeline remnant liquefied natural gas fails completely into storage tank, and unloading booster page must Right remnant natural gas;When storage tank feed liquor, with the entrance of liquid phase, pressure of storage tank necessarily increases, and gas phase passes through bypath valve Recycling;Liquefied natural gas also has a certain amount of spontaneous vaporization rate in storage tank during use;The gaseous natural gas of these parts returns Time receiving temperature is extremely low, and need to pass through BOG gasifiers can further recycle with external environment heat exchange, into pressure regulation metering, warp Pressure pipeline in crossing outside pressure regulation, metering plus smelly rear feeding station.
The design takes tank car from pressure way of recycling recycling BOG.Design structure uses, and BOG gasification systems, water-bath type electricity add Hot device system, pressure regulation output system, safety system, pressure system, temperature system, bypass system and add smelly system be incorporated to use Gas pipe network, winter, which can enter through water-bath type heater by voltage-regulating system, uses gas pipe network.Summer can enter pipe network through BOG and can be used as The fuel of hot-water boiler.BOG gasification systems, water-bath type electric heater system can enable simultaneously.
Workflow is as follows;
A flows:
When BOG passes through(- 196 DEG C of temperature), through BOG air-heating type gasifiers 1(- 20 DEG C of temperature~60 DEG C);DN25 ball valves B6, DN25 ball valves C8;DN25 pressure regulator bands cut-out 9;DN50 ball valves D10;It opens simultaneously and adds smelly system 24;Open DN15 ball valves L23; To outlet downstream pipe network;
B flows:When BOG passes through(- 196 DEG C of temperature), through BOG air-heating type gasifiers 1(- 20 DEG C of temperature~60 DEG C);It opens DN25 ball valves H17;Close DN25 ball valves B6;Into water-bath type electric heater 18(- 5 DEG C of temperature~80 DEG C);Open DN25 ball valves I19;Open DN25 ball valves C8;9 are cut off through DN25 pressure regulator bands;DN50 ball valves D10;It opens simultaneously and adds smelly system 24;It opens DN15 ball valves L23;To outlet downstream pipe network;
Pressure is shown as:Needle-like shut-off valve A 2, pressure gauge A 3, needle-like shut-off valve B 14, pressure gauge B 15;
Safety system is:Ball valve A 4, safety valve A 5, ball valve F 12, safety valve B 13, ball valve K 21, safety valve C 22;
Ball valve E11, ball valve J20 are emptying;
Pressure regulating by-pass is:Ball valve G16 opens bypass when pressure regulator repair, maintenance;Downstream is avoided to die.
Electrical control cabinet 25:Cut-in temperature pick-up, pressure inverting plus smelly parameter, equipment running status, data are passed to Control room carries out remote monitoring.
The utility model feature is as follows:
1. energy conservation and environmental protection, movement is flexible, supplies rapid, convenient transfer, is unattended.
2. equipment uses integrated system design:BOG air-heating type gasifiers;Water-bath type electric heater system is for automatic Compensation;Voltage-regulating system;Add smelly system;Safety system, electric control system are simple to operate in one.
3. energy saving in running, BOG gasifications absorb amount of heat and are naturally done, and whole system is under conditions of without the external energy It can work normally.
4. import and being connected for low temperature resistant stainless steel flexible hose between gas-liquid module, there is connection quickly, conveniently, safely.
5. design structure is compact, heating properties are reliable, the precision of voltage regulation is high, low noise.
6. being suitable for:Transmission & distribution station, zone user, industrial user, gas station etc..
7. data acquire:The ginsengs such as needed collection site pressure, temperature plus smelly, Gas Components, equipment running status Number is passed to control room, carries out remote monitoring.
8.BOG is gaseous natural gas after gasification, and clean energy resource utility value is high.
Major parameter:
Vaporization ability:
(1)Tolerance 100Nm3/h, 0.4~0.8 MPa of discharge pressure, through BOG gasification or water-bath type electric heater, pressure regulation, Add 0.1~0.4MPa of smelly rear discharge pressure.
Design temperature:
(1)Natural gas line before BOG air-heating type gasifiers:- 196 DEG C of design temperature;- 162 DEG C of operating temperature (standard shape State).
(2)Natural gas line before and after BOG air-heating type gasifiers:- 20 DEG C of design temperature~80 DEG C;- 5 DEG C of operating temperature~65 ℃。
Pipe design pressure:
(1)Part before pressure regulation:Design pressure 1.6MPa, maximum working pressure 0.8MPa, 0.4~0.8MPa of operating pressure.
(2)Safety relief valve pressure 0.88MPa.
(3)Part after pressure regulation:Design pressure 1.0MPa, 0.1~0.4MPa of operating pressure.
(4)Inside nominal diameter:Import DN25;Export DN50
(5)Explosive-proof grade:ExdⅡBT4
(6)Water-bath type electric heater power load:3KW
(7)Earthquake intensity:It sets up defences by 8 grades
(8)Electrical control cabinet:As needed collection site pressure, temperature plus smelly, Gas Components, equipment running status etc. Parameter dispaly state is passed to control room, carries out remote monitoring.
Operate with explanation
1. installation instructions:
1, it before equipment is installed and used, is ready.
2, this equipment is removable BOG air temperature type gasifying suppliers, about 2.5 tons of total weight, and when lifting please be selected corresponding Lifting equipment.Before equipment installation, Equipment Foundations are answered solid smooth.
If 3, placing multiple devices, the clear distance between equipment is no less than the diameter of adjacent the greater, and does not answer Less than 1.0m.
4, the nozzle of Safety relief valve will be higher by equipment, pipeline and the 1.5m that walks on stage, and do secure support, apart from ground level Depending on site specific.
5, internal gas must be vented before re-moving equipment.
6, BOG air temperature types gasifying supplier, design temperature are -196 DEG C, -162 DEG C of operating temperature.Southern area can pacify Mounted in outdoor, northern area, which should be mounted on, the interior of radiator, and parts material be aluminium alloy or stainless steel, can anti-corrosion Erosion.
7, equipment installation is designed and constructs with reference to industry or country or the project pertinent regulations.It should be in lightning protection region It is interior, and make ground lead, ground resistance is less than 4 Ω.
8, the field of installation equipment is fire prevention important place, and No Open Flames, fire fighting device.
9, it is not allowed to stack any explosives, inflammable items near equipment, gasification sled nearby there should be enough spaces(More than 1 Meter or more), in order to divulge information and maintenance of equipment.
10, air seal test should be carried out after Pipe installing, test pressure is carried out by pertinent regulations, and experiment maximum pressure is not more than 1.6MPa.This system has carried out the water pressure test in factory, and the water pressure test need not be carried out after installation.
11, air purging should be carried out to pipeline before use, to prevent the impurity in pipeline from blocking pipeline and equipment is caused to damage It is bad, before being passed through natural gas nitrogen displacement should be carried out to pipe network equipment;Nitrogen displacement is with reference to relevant national standard.
12, instrument valve in system etc. must not be dismantled arbitrarily, in order to avoid influence the normal work of equipment.
13, equipment importation part is ultralow temperature, and when operation must be with good protective gloves.
14, no smoking in gas station and object occurs using mobile phone and other open fires.
15, install when please in strict accordance with《Explosive gas atmosphere electrical equipment》Carry out installation.
16, equipment should be placed in the environment with good ventilation(Environment temperature is higher than subzero 5 DEG C), sky can be improved in this way The heat transfer effect of warm gasifier, and can effectively avoid the safety accident generated due to gas leakage.
2. running operation order
2.1, the preparation before running
1. do be read over before equipment operation and operate with specification.
2. having to check for the seal of equipment before equipment operation and being carried out nitrogen with the nitrogen of cleaning drying to equipment and set It changes.Nitrogen displacement is with reference to relevant national standard.
5. the inlet valve of pressure gauge and the bottom valve of safety valve please be open.
6. PLSCONFM BOG air temperature type gasifying suppliers, pressure condition(Within the scope of operable)If standby for a long time, Please the pressure in BOG air temperature type gasifying suppliers is discharged.
3.1 power-on operation
1)The power switch that please be open(The area of spread of voltage need to add voltage-stablizer), keep equipment in running order.
2)Please it is confirmed whether to reach 50 DEG C by thermometer.
3)It opens burner or kitchen range checks service condition.
3.2 shutdown
1)The occasion that short time is stopped using:
Tank car liquid phase mouth valve please be close, other valves and power supply still keep open state.
2)The occasion stopped using for a long time:
A, it please close tank car liquid phase mouth valve, the residual gas used up in equipment or residual gas be discharged, turn off the valve of this equipment Door.
B, it cuts off the power switch.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest range consistent with features of novelty.

Claims (1)

1. a kind of BOG air temperature types gasifying supplier, it is characterised in that:BOG air-heating type gasifiers(1), needle-like shut-off valve A(2)、 Pressure gauge A(3), ball valve A(4), safety valve A(5), ball valve B(6), temperature transmitter(7), ball valve C(8), pressure regulator band cut-out (9), ball valve D(10), ball valve E(11), ball valve F(12), safety valve B(13), needle-like shut-off valve B(14), pressure gauge B(15), ball Valve G(16), ball valve H(17), water-bath type electric heater(18), ball valve I(19), ball valve J(20), ball valve K(21), safety valve C (22), ball valve L(23)Plus smelly system(24), electrical control cabinet(25);
Wherein, BOG air-heating type gasifiers(1)Output end connection needle-like shut-off valve A(2), pressure gauge A(3), ball valve A(4), peace Full valve A(5), ball valve B(6), ball valve H(17);Ball valve B(6)Output end be arranged temperature transmitter(7), ball valve C(8), pressure regulator Band cut-out(9), ball valve D(10);Ball valve G(16)Form ball valve C(8), pressure regulator band cut-out(9), ball valve D(10)Bypass;Water Bath electric heater(18)Respectively with ball valve H(17)With ball valve I(19)Connection;
The ball valve D(10)Output end setting ball valve E(11), ball valve F(12), safety valve B(13), needle-like shut-off valve B(14)、 Pressure gauge B(15);Ball valve L(23)With add smelly system(24)Connection.
CN201720832818.9U 2017-07-11 2017-07-11 BOG air temperature type gasifying suppliers Expired - Fee Related CN207729240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720832818.9U CN207729240U (en) 2017-07-11 2017-07-11 BOG air temperature type gasifying suppliers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720832818.9U CN207729240U (en) 2017-07-11 2017-07-11 BOG air temperature type gasifying suppliers

Publications (1)

Publication Number Publication Date
CN207729240U true CN207729240U (en) 2018-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720832818.9U Expired - Fee Related CN207729240U (en) 2017-07-11 2017-07-11 BOG air temperature type gasifying suppliers

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107166162A (en) * 2017-07-11 2017-09-15 乐山市山鹰模具有限责任公司 BOG air temperature type gasifying suppliers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107166162A (en) * 2017-07-11 2017-09-15 乐山市山鹰模具有限责任公司 BOG air temperature type gasifying suppliers

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180814

Termination date: 20200711

CF01 Termination of patent right due to non-payment of annual fee