CN105546328A - LNG tank car loading and unloading prying tool - Google Patents
LNG tank car loading and unloading prying tool Download PDFInfo
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- CN105546328A CN105546328A CN201610033946.7A CN201610033946A CN105546328A CN 105546328 A CN105546328 A CN 105546328A CN 201610033946 A CN201610033946 A CN 201610033946A CN 105546328 A CN105546328 A CN 105546328A
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- tank car
- pipeline
- unloading
- steel structure
- lng tank
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
- F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0382—Constructional details of valves, regulators
- F17C2205/0385—Constructional details of valves, regulators in blocks or units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0626—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a LNG tank car loading and unloading prying tool which comprises a structural steel frame, liquid phase pipelines, gas phase pipelines, a blowdown pipeline, a nitrogen pipeline and an instrument wind pipeline, wherein the liquid phase pipelines, the gas phase pipelines and the blowdown pipeline are arranged on the structural steel frame by employing cold insulation pipe carriers. The LNG tank car loading and unloading prying tool has the benefits that the LNG tank car loading and unloading prying tool is a two-in-one type loading and unloading prying tool which combines two loading and unloading prying systems into one, the two loading and unloading prying systems are mounted in one frame, and tank cars can be loaded and unloaded from the left and right sides, so that the floor area is reduced, an owner pipeline system is simplified, the efficiency is improved, the cost is reduced, and the LNG tank car loading and unloading prying tool is very economical and practical. The LNG tank car loading and unloading prying tool is provided with a batch control instrument to carry out integrated control on main valve pipelines and controllers, and is convenient, quick, safe and reliable.
Description
Technical field
The present invention relates to a kind of handling sled, particularly a kind of LNG tank car handling sled.
Background technique
In recent years along with the enhancing of the meaning of energy-conserving and environment-protective, the rising steadily of fuel price, the increasing and the continuous maturation of LNG technology of haze weather, the related industry of LNG obtains and develops fast, LNG tank car handling sled is the single unit system being specifically designed to low-temperature liquefaction rock gas handling automobile operation, is widely used.LNG tank car handling sled complex structure in existing technology, and automaticity is low, not only complicated operation, and floor space is large, pipeline is complicated, poor stability.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of two-in-one type LNG tank car handling sled.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A LNG tank car handling sled, comprises steel structure frame, liquid phase pipeline, gas phase pipeline, blowdown piping, nitrogen pipeline and instrument air pipe line; Described liquid phase pipeline, gas phase pipeline, blowdown piping all utilize cold insulation pipe carrier to be arranged on described steel structure frame;
Described liquid phase pipeline is arranged on steel structure frame, its entrance is 4 cun, ensure both sides design discharge, then be divided into writing brush road, both sides 3, above set gradually 3 cun of ball valves, mass flowmenter, flow control valve, the first safety valve group, liquid phase cut-off valve, the second safety valve group, the first temperature transmitter, the first pressure transmitter, liquid phase loading arm; Described 3 cun of ball valves, for cutting off two lateral lines, use latus rectum ball valve can reduce the Pressure Drop of generation simultaneously; Liquid phase cut-off valve is used for emergency cut-off, and when system monitoring is abnormal, cut-off valve cuts off automatically, ensures site safety;
Described gas phase pipeline is arranged on steel structure frame, entrance is 4 cun, ensure both sides design discharge, being then divided into two side ducts, gas phase pipeline described in it is successively gas phase cut-off valve, the 3rd safety valve group, the second temperature transmitter, the second pressure transmitter, gas phase loading arm; Described temperature transmitter, when entering precooling program, when systems axiol-ogy gas phase herein temperature reach setting value, precooling EOP end of program;
Described blowdown piping is arranged on described steel structure frame, is connected with described liquid phase pipeline and gas phase pipeline, for discharging safety valve pressure release medium and entrucking arm blowing medium;
Described nitrogen pipeline is arranged on described steel structure frame, is connected with described liquid phase pipeline, gas phase pipeline, is mainly used in purging loading arm pipeline loading arm swivel joint and purges and handling sled interior conduit;
Described instrument air pipe line is connected with two pneumatic cut-off valves and two pneumatic control valves, provides source of the gas for giving modulating valve and pneumatic cut-off valve final controlling element;
Further, when described steel structure frame being also provided with audible-visual annunciator urgency described in audible-visual annunciator or fault generation, acoustooptic alarm is sent, warning effect.
Further, described steel structure frame is provided with batch controller, is mainly used in controlling whole system, operates for man-machine interface.
Further, described steel structure frame is also provided with combustible gas detecting device, if sled is inner leakage inflammable gas for loading and unloading, can detect, signal is delivered to described batch controller and is processed.
Further, described steel structure frame is also provided with electrostatic grounding controller, for tank car ground connection, and detects ground state.
Further, described steel structure frame is also provided with explosion-proof control box, inside PLC, instrument valve wiring gathers into explosion-proof wiring box, forms loading-unloading vehicle control system with batch controller.
Further, described liquid phase loading arm and gas phase loading arm are provided with Pull breaking ualve, for when urgency, tank car can drive away when not disconnecting with entrucking arm, ensures safety.
Further, also comprise pressure piping, described pressure piping is arranged on steel structure frame by cold insulation pipe carrier, described pressure piping side is connected with described gas phase pipeline, and opposite side is connected with gasification pressurization device, during for unloading, through the BOG gas of vaporizer vaporization, by the stop valve on pipeline, control the speed that it enters gas phase pipeline, thus control to unload flow velocity;
Further, also comprise liquid flowing tube road, described liquid flowing tube road is connected with described pressurized machine, during for unloading, drawing LNG, vaporizer is arranged on low level from tank car, allows LNG vaporize from flowing into vaporizer.
Further, described first safety valve group, the second safety valve group and the 3rd safety valve group are thermal expansion safety valve, when LNG in pipeline raises due to temperature, cause pressure to increase, safety valve releasing pressure automatically, ensure safety.
The invention has the beneficial effects as follows, the present invention is that two handling sled systems unite two into one by two-in-one type handling sled, be arranged in a framework simultaneously, arranged on left and right sides all can load and unload tank car, decrease floor space, simplify proprietor's pipe-line system, while adding efficiency, decrease cost, very economical and practical; The batch controller that is provided with of the present invention carries out integrated control to main valve pipeline and controller, convenient and swift safe and reliable.
Accompanying drawing explanation
Fig. 1 is the stereogram of the LNG tank car handling sled in the embodiment of the invention;
Fig. 2 is the plan view of the LNG tank car handling sled in the embodiment of the invention;
Fig. 3 is the front view of the LNG tank car handling sled in the embodiment of the invention;
Fig. 4 is the pipeline process flow diagram of the LNG tank car handling sled in the embodiment of the invention.
Embodiment
Below in conjunction with specific embodiment, technological scheme of the present invention is described in further detail, can implements according to this specification word to enable those skilled in the art.
Consult Fig. 1-3, a kind of LNG tank car handling sled, comprises steel structure frame 1, liquid phase pipeline 3, gas phase pipeline 4, blowdown piping 5, nitrogen pipeline 6 and instrument air pipe line 7;
Described liquid phase pipeline 3, gas phase pipeline 4, blowdown piping 5 all utilize cold insulation pipe carrier 8 to be arranged on described steel structure frame 1;
Described liquid phase pipeline 3 is arranged on steel structure frame 1, its entrance is 4 cun, ensure both sides design discharge, then be divided into writing brush road, both sides 3, above set gradually 3 cun of ball valves 31, first safety valve group 32, flow control valve 33, second safety valve group 34, liquid phase cut-off valve 35, first temperature transmitter 36, second safety valve group 37, first pressure transmitter 38, liquid phase loading arm 39; Described 3 cun of ball valves 31, for cutting off two lateral lines, use latus rectum ball valve can reduce the Pressure Drop of generation simultaneously; Liquid phase cut-off valve 35 for emergency cut-off, when system monitoring is abnormal (as earth clip get loose, temperature over-range, pressure limit, valve switch status error), cut-off valve cuts off automatically, ensures site safety;
Described gas phase pipeline 4 is arranged on steel structure frame, entrance is 4 cun, ensure both sides design discharge, then being divided into two side ducts, gas phase pipeline described in it is successively gas phase cut-off valve 41, the 4th safety valve group (not shown), the second temperature transmitter 43, second pressure transmitter 44, gas phase loading arm 42; Described temperature transmitter, when entering precooling program, when systems axiol-ogy gas phase herein temperature reach setting value, precooling EOP end of program;
Described blowdown piping 5 is arranged on described steel structure frame 1, is connected with described liquid phase pipeline 3 and gas phase pipeline 4, for discharging safety valve pressure release medium and entrucking arm blowing medium;
Described nitrogen pipeline 6 is arranged on described steel structure frame 1, is connected with described liquid phase pipeline 3 and gas phase pipeline 4, is mainly used in purging loading arm pipeline, loading arm swivel joint and handling sled interior conduit;
Described instrument air pipe line 7 is connected with two gas phase cut-off valves 41 and two pneumatic control valves 33, provides source of the gas for giving the gentle valve actuator that cuts off mutually of modulating valve;
When described steel structure frame 1 being also provided with audible-visual annunciator urgency described in audible-visual annunciator 9 or fault generation, send acoustooptic alarm, warning effect.
Described steel structure frame 1 is provided with batch controller 10, is mainly used in controlling whole system, operates for man-machine interface.Batch controller-BDQC-3F batch controller used in the present invention designs on the basis of summing up many years of experience in the liquid material-filling control of domestic petroleum chemical industry.It take microcontroller as the Novel intelligent instrument of core, can be supporting with flowmeter, temperature/pressure transmitter, static grounding clamp, valve etc., program control, fixing quantity, anti-overflow chain control, the chain control of anti-static grounding are carried out to pouring process, the flow of liquid towards material-filling process can carry out temperature correction and accumulative.Main feature is as follows: flame-proof enclosure designs, safe and reliable; 10.4 " color liquid crystal display screen can show complete process flow, intuitively convenient; 16 magnetic control electronic keys, completely isolated with instrument housing inside, convenient and safe; RS-485 interface, supports MODBUSRTU agreement; Manually-operable can be set and IC-card operates two kinds of mode of operations; Be connected with card reader, can realize online under identification; There is provided complete, detailed entrucking to prize TipWizard, nonessential step also can be selected to skip; By the omnidistance dynamic adjustments flow velocity of regulating and controlling valve, reach optimum filling control effect; The valve event on many pipelines can be controlled, automatically complete the Valve controlling of pouring process; Use progress bar display pouring process, figure is succinctly directly perceived.
Described steel structure frame 1 is also provided with combustible gas detecting device 100, whether has leakage inflammable gas for detecting handling sled inside, and signal is delivered to described batch controller 10 and process.
Described steel structure frame 1 is also provided with electrostatic grounding controller 101, for tank car ground connection, and detects ground state.
Described steel structure frame 1 is also provided with explosion-proof control box 102, inside PLC, and instrument valve wiring gathers into explosion-proof wiring box 102, forms loading-unloading vehicle control system with batch controller 10.
Described liquid phase loading arm 39 and gas phase loading arm 42 are provided with Pull breaking ualve 103, and for when urgency, tank car can drive away when not disconnecting with entrucking arm, ensures safety.
Also comprise pressure piping 104, described pressure piping is arranged on steel structure frame 1 by cold insulation pipe carrier 8, described pressure piping 104 side is connected with described gas phase pipeline 4, opposite side is connected with vaporization pressurized machine 105, during for unloading, through the BOG gas of vaporizer vaporization, by the stop valve on pipeline, control the speed that it enters gas phase pipeline, thus control to unload flow velocity; Described vaporization pressurized machine is mainly used in LNG to vaporize, and produces the rock gas of certain pressure for unloading.
Also comprise liquid flowing tube road 106, described liquid flowing tube road 106 is connected with described vaporization pressurized machine 105, during for unloading, drawing LNG, vaporizer is arranged on low level from tank car, allows LNG vaporize from flowing into vaporizer.
Described first safety valve group, the second safety valve group, the 3rd safety valve group are thermal expansion safety valve, when LNG in pipeline raises due to temperature, cause pressure to increase, safety valve releasing pressure automatically, ensure safety.
LNG tank car handling sled pipeline process flow diagram of the present invention as shown in Figure 4.CC is wherein pipeline cold insulation, and FT is flow transmitter; FIC is that flow indication controls, FQ flux cumulating, and FV is flow control valve, and TSV is temperature safety valve, and ESDV is Emergeny Cutoff Valves, and PT is pressure transmitter, and PI is pressure display, and TT is temperature transmitter, and TI is Temperature displaying, PG pressure gauge, PSV pressure relief valve.
for cryogenic ball valve,
for mass flowmenter,
flow control valve,
stop valve,
safety valve,
for Emergeny Cutoff Valves,
for Pull breaking ualve,
for safety check,
for pressure regulator valve,
for ball valve.
It should be noted last that, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technological scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a LNG tank car handling sled, is characterized in that comprising steel structure frame, liquid phase pipeline, gas phase pipeline, blowdown piping, nitrogen pipeline and instrument air pipe line;
Described liquid phase pipeline, gas phase pipeline, blowdown piping all utilize cold insulation pipe carrier to be arranged on described steel structure frame;
Described liquid phase pipeline is arranged on steel structure frame, its entrance is 4 cun, ensure both sides design discharge, then be divided into writing brush road, both sides 3, above set gradually 3 cun of ball valves, mass flowmenter, flow control valve, the first safety valve group, liquid phase cut-off valve, the second safety valve group, the first temperature transmitter, the first pressure transmitter, liquid phase loading arm; Described 3 cun of ball valves, for cutting off two lateral lines, use latus rectum ball valve can reduce the Pressure Drop of generation simultaneously; Liquid phase cut-off valve is used for emergency cut-off, and when system monitoring is abnormal, cut-off valve cuts off automatically, ensures site safety;
Described gas phase pipeline is arranged on steel structure frame, entrance is 4 cun, ensure both sides design discharge, being then divided into two side ducts, gas phase pipeline described in it is successively gas phase cut-off valve, the 3rd safety valve group, the second temperature transmitter, the second pressure transmitter, gas phase loading arm;
Described blowdown piping is arranged on described steel structure frame, is connected with described liquid phase pipeline and gas phase pipeline, for discharging safety valve pressure release medium and entrucking arm blowing medium;
Described nitrogen pipeline is arranged on described steel structure frame, is connected with described liquid phase pipeline, gas phase pipeline, is mainly used in purging loading arm pipeline loading arm swivel joint and purges and handling sled interior conduit;
Described instrument air pipe line is connected with two pneumatic cut-off valves and two pneumatic control valves, provides source of the gas for giving modulating valve and pneumatic cut-off valve final controlling element.
2. LNG tank car handling sled according to claim 1, when it is characterized in that described steel structure frame being also provided with audible-visual annunciator urgency described in audible-visual annunciator or fault generation, sends acoustooptic alarm, warning effect.
3. LNG tank car handling sled according to claim 1, is characterized in that described steel structure frame being provided with batch controller, is mainly used in controlling whole system, operates for man-machine interface.
4. LNG tank car handling sled according to claim 1, is characterized in that described steel structure frame is also provided with combustible gas detecting device, if sled is inner leakage inflammable gas for loading and unloading, can detect, signal is delivered to described batch controller and processed.
5. LNG tank car handling sled according to claim 1, is characterized in that described steel structure frame is also provided with electrostatic grounding controller, for tank car ground connection, and detects ground state.
6. LNG tank car handling sled according to claim 1, it is characterized in that described steel structure frame is also provided with explosion-proof control box, inside PLC, instrument valve wiring gathers into explosion-proof wiring box, forms loading-unloading vehicle control system with batch controller.
7. LNG tank car according to claim 1 handling sled, is characterized in that described liquid phase loading arm and gas phase loading arm are provided with Pull breaking ualve, and for when urgency, tank car can drive away when not disconnecting with entrucking arm, guarantee safety.
8. LNG tank car handling sled according to claim 1, characterized by further comprising pressure piping, described pressure piping is arranged on steel structure frame by cold insulation pipe carrier, described pressure piping side is connected with described gas phase pipeline, and opposite side is connected with gasification pressurization device, during for unloading, through the BOG gas of vaporizer vaporization, by the stop valve on pipeline, control the speed that it enters gas phase pipeline, thus control to unload flow velocity.
9. LNG tank car handling sled according to claim 1, characterized by further comprising liquid flowing tube road, described liquid flowing tube road is connected with described pressurized machine, during for unloading, drawing LNG from tank car, vaporizer is arranged on low level, allowing LNG vaporize from flowing into vaporizer.
10. LNG tank car handling sled according to claim 1, it is characterized in that described first safety valve group, the second safety valve group and the 3rd safety valve group are thermal expansion safety valve, when LNG in pipeline raises due to temperature, cause pressure to increase, safety valve releasing pressure automatically, ensures safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610033946.7A CN105546328A (en) | 2016-01-19 | 2016-01-19 | LNG tank car loading and unloading prying tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610033946.7A CN105546328A (en) | 2016-01-19 | 2016-01-19 | LNG tank car loading and unloading prying tool |
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| Publication Number | Publication Date |
|---|---|
| CN105546328A true CN105546328A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610033946.7A Pending CN105546328A (en) | 2016-01-19 | 2016-01-19 | LNG tank car loading and unloading prying tool |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909970A (en) * | 2016-06-02 | 2016-08-31 | 天津佰焰科技股份有限公司 | LNG unloading pry with supercharging device and control system of LNG unloading pry with supercharging device |
| CN106195622A (en) * | 2016-08-31 | 2016-12-07 | 河南开元气体装备有限公司 | Novel LNG tank car unloading pump skid is put |
| CN106439484A (en) * | 2016-07-01 | 2017-02-22 | 韩培 | Double-pipeline loading and unloading arm for low-temperature ship |
| CN107327699A (en) * | 2017-08-12 | 2017-11-07 | 连云港市拓普科技发展有限公司 | Intelligent integral packaged type LNG unloads sled |
| CN107489882A (en) * | 2017-10-13 | 2017-12-19 | 钦州学院 | A kind of LNG tank cars unload hydraulic coupling security system |
| CN108679450A (en) * | 2018-08-27 | 2018-10-19 | 中海油天津液化天然气有限责任公司 | A kind of LNG tank cars safety interlock system |
| CN108730758A (en) * | 2018-07-17 | 2018-11-02 | 杰瑞(天津)石油工程技术有限公司 | A kind of unloading unit |
| CN109681772A (en) * | 2018-11-22 | 2019-04-26 | 天津市振津石油天然气工程有限公司 | A kind of LNG liquefaction plant is pressurized liquid device with skid |
| CN110937564A (en) * | 2019-05-04 | 2020-03-31 | 连云港苏港石化设备有限公司 | Double-circuit proportionally-mixed PLC integrated loading skid |
| CN111237635A (en) * | 2020-03-09 | 2020-06-05 | 江苏长隆石化装备有限公司 | Low-temperature tank car loading and unloading pump skid device |
| CN111486344A (en) * | 2020-04-02 | 2020-08-04 | 江苏国富氢能技术装备有限公司 | Container skid-mounted compression hydrogenation device |
| CN111678035A (en) * | 2020-04-30 | 2020-09-18 | 连云港市拓普科技发展有限公司 | Integrative sled of LNG loading and unloading |
| CN115681807A (en) * | 2022-11-14 | 2023-02-03 | 江苏长隆石化装备有限公司 | Two unification type LNG tank wagon loading and unloading sledges |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909970A (en) * | 2016-06-02 | 2016-08-31 | 天津佰焰科技股份有限公司 | LNG unloading pry with supercharging device and control system of LNG unloading pry with supercharging device |
| CN106439484B (en) * | 2016-07-01 | 2019-07-12 | 韩培 | Low temperature two-tube loading arm peculiar to vessel |
| CN106439484A (en) * | 2016-07-01 | 2017-02-22 | 韩培 | Double-pipeline loading and unloading arm for low-temperature ship |
| CN106195622A (en) * | 2016-08-31 | 2016-12-07 | 河南开元气体装备有限公司 | Novel LNG tank car unloading pump skid is put |
| CN107327699A (en) * | 2017-08-12 | 2017-11-07 | 连云港市拓普科技发展有限公司 | Intelligent integral packaged type LNG unloads sled |
| CN107327699B (en) * | 2017-08-12 | 2023-08-29 | 连云港市拓普科技发展有限公司 | Intelligent integrated movable LNG unloading sled |
| CN107489882A (en) * | 2017-10-13 | 2017-12-19 | 钦州学院 | A kind of LNG tank cars unload hydraulic coupling security system |
| CN108730758A (en) * | 2018-07-17 | 2018-11-02 | 杰瑞(天津)石油工程技术有限公司 | A kind of unloading unit |
| CN108679450A (en) * | 2018-08-27 | 2018-10-19 | 中海油天津液化天然气有限责任公司 | A kind of LNG tank cars safety interlock system |
| CN108679450B (en) * | 2018-08-27 | 2024-03-19 | 中海油天津液化天然气有限责任公司 | LNG tank wagon safety interlocking system |
| CN109681772A (en) * | 2018-11-22 | 2019-04-26 | 天津市振津石油天然气工程有限公司 | A kind of LNG liquefaction plant is pressurized liquid device with skid |
| CN110937564A (en) * | 2019-05-04 | 2020-03-31 | 连云港苏港石化设备有限公司 | Double-circuit proportionally-mixed PLC integrated loading skid |
| CN111237635A (en) * | 2020-03-09 | 2020-06-05 | 江苏长隆石化装备有限公司 | Low-temperature tank car loading and unloading pump skid device |
| CN111486344A (en) * | 2020-04-02 | 2020-08-04 | 江苏国富氢能技术装备有限公司 | Container skid-mounted compression hydrogenation device |
| CN111678035A (en) * | 2020-04-30 | 2020-09-18 | 连云港市拓普科技发展有限公司 | Integrative sled of LNG loading and unloading |
| CN115681807A (en) * | 2022-11-14 | 2023-02-03 | 江苏长隆石化装备有限公司 | Two unification type LNG tank wagon loading and unloading sledges |
| CN115681807B (en) * | 2022-11-14 | 2024-04-02 | 江苏长隆石化装备有限公司 | Two-in-one LNG tank wagon loading and unloading sledge |
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Application publication date: 20160504 |