CN104891062A - Processing device and method for preventing combustible liquid and gas storage tank from mutual combustion and explosion - Google Patents
Processing device and method for preventing combustible liquid and gas storage tank from mutual combustion and explosion Download PDFInfo
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- CN104891062A CN104891062A CN201510288231.1A CN201510288231A CN104891062A CN 104891062 A CN104891062 A CN 104891062A CN 201510288231 A CN201510288231 A CN 201510288231A CN 104891062 A CN104891062 A CN 104891062A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
- B65D90/34—Venting means
Abstract
The invention relates to a processing device and a method for preventing combustible liquid and gas storage tanks from mutual combustion and explosion, which are used to mainly solve the problems of large consumption of nitrogen and large pollution in the existing technology. According to the invention, a processing device is used for preventing the combustible liquid and gas storage tanks from mutual combustion and explosion and for reducing the emissions of volatile matters; gas-phase space of at least two storage tanks (9) is connected to a total discharge pipeline (10) through a tail gas pipeline; an outlet of the total discharge pipeline (10) is connected to the top portion of a buffer tank (1); an oxygen content detector (4) is set on the buffer tank (4); a nitrogen supply pipeline (5) is connected to the buffer tank (1); a regulating valve door (3) is set on the nitrogen supply pipeline (5); the top portion of the buffer tank (1) is provided with a breather valve (2); the technical solution that a tail gas outlet on the breather valve (2) is connected to an oil gas recycling device (12) can solve the above problems; and the processing device can be used for preventing the combustible liquid and the gas storage tanks from mutual combustion and explosion.
Description
Technical field
The present invention relates to a kind of process unit and the method that prevent Storage Tanks Combustible Liquid gas phase from firing and reduce evaporative emissions.
Background technology
Combustible liquid; as oil product, alkane, organic oxygen compound etc.; Storage Tanks Combustible Liquid gas phase is often in blast atmosphere; explode to prevent Storage Tanks Combustible Liquid gas phase; at present the most conventional most actv. way is exactly the method adopting gas phase nitrogen protection, constantly supplements nitrogen, along with the operation of storage tank from storage tank breathing valve; nitrogen ceaselessly fills into and breathes out, and makes gas phase in tank keep anaerobic state.Oil product storage tank capacity conventional is at present 5000-10000 cubic meter, and therefore, adopt this kind of method comparatively large to the demand of nitrogen, the enterprise operating cost not plentiful to nitrogen is higher, by investigation, and the cost about 1 yuan of 1 cubic meter nitrogen in refinery.Therefore conventional approach will cause a large amount of nitrogen wastes at present, increase enterprise operation cost.Oil product storage tank gas phase is often in blast atmosphere, and in order to prevent oil product storage tank gas phase from exploding, most actv. way is exactly the method adopting gas phase nitrogen protection, supplements nitrogen from storage tank breathing valve, and along with storage tank runs, nitrogen ceaselessly fills into and breathes out.This operation scheme is for the operation of whole tank field, and nitrogen use amount is huge, and the nitrogen of exhalation contains saturated organic volatile, and this will cause a large amount of nitrogen wastes, and increase enterprise operation cost, the tail gas simultaneously containing organic volatile is by contaminated environment.
CN201410613961 relates to a kind of method protecting storage tank safety and environmental protection, by adopting a kind of method protecting storage tank safety and environmental protection, the gas that liquid in storage tank self produces is passed through gas main, appendix enters compressor, gas is stored in expansion tank by compressor pressurizes, as a part for positive pressure protection gas, when the gas stored in expansion tank does not meet the positive pressure protection of each storage tank, the nitrogen from nitrogen inlet pipeline is used to supplement, when expansion tank internal pressure exceedes design pressure, torch or burning is sent by reduce internal heat torch or incinerator pipeline by excessive gas.CN201320356393 relates to a kind of nitrogen pressure control system for chemical drum, disclose a kind of nitrogen pressure control system for chemical drum, described system comprises the minute-pressure type sensor be arranged in storage tank, be arranged on the gulp valve that described storage tank upper end is connected with described storage tank, blow off valve, described gulp valve and check valve, filter, blowdown valve, pressure regulating valve is connected in series, described pressure regulating valve is connected with nitrogen pot, described minute-pressure type sensor according to the pressure in storage tank by signal transmission to PLC, the closure or openness of described PLC gulp valve and blow off valve according to received signal control.CN201120095334 relates to a kind of nitrogen protection device of atmospheric storage tank; comprise atmospheric storage tank; also comprise nitrogen storage tank and nitrogen sealed tube; atmospheric storage tank top is provided with pressure sensor; this pressure sensor is connected with the first electromagnetic valve and the second electromagnetic valve by controller, ensures the basicly stable of nitrogen in atmospheric storage tank.
Above-mentioned patent monitors nitrogen content by pressure sensor, and then control tonifying Qi and the exhaust of nitrogen, and pressure is maintained in the scope of setting.But whether storage tank is in gas phase blast atmosphere in fact only to rely on pressure accurately to ensure, high to the sealing requirements of storage tank itself, leaks, or for there is the storage tank of breathing valve, then there is certain potential safety hazard if occur.And only control to a certain extent, decrease nitrogen use level, still need to consume a large amount of pure nitrogen gas.
The present invention solves this problem targetedly.
Summary of the invention
One of technical matters to be solved by this invention be in prior art nitrogen consumption comparatively large, pollute larger problem, a kind of preventing Storage Tanks Combustible Liquid gas phase from firing and reducing the process unit of evaporative emissions is newly provided.During this device is used for preventing Storage Tanks Combustible Liquid gas phase from firing, have that nitrogen consumption is less, the advantage of less pollution.Two of technical matters to be solved by this invention is to provide a kind of new preventing Storage Tanks Combustible Liquid gas phase from firing and reduce the process of evaporative emissions adapted with one of technical solution problem.
For one of solving the problem, the technical solution used in the present invention is as follows: a kind ofly prevent Storage Tanks Combustible Liquid gas phase from firing and reduce the process unit of evaporative emissions, comprise at least two storage tanks (9), expansion tank (1), breathing valve (2), oxygen content detector (4), supplement nitrogen pipeline (5), regulate the valves (3), device for recovering oil and gas (12), the gas-phase space of described at least two storage tanks (9) is all connected with total outfall pipeline (10) by exhaust pipe, total outfall pipeline (10) outlet is connected with expansion tank (1) top, it is characterized in that oxygen content detector (4) is arranged on the gas-phase space of expansion tank (1), supplement nitrogen pipeline (5) to be connected with the gas-phase space of expansion tank (1), regulate the valves (3) be arranged on supplementary nitrogen pipeline (5), oxygen content detector (4) is connected with regulate the valves (3) by data line, wherein, at expansion tank (1) top, breathing valve (2) is set, the breathing valve (2) at expansion tank (1) top is provided with air intake (6) and offgas outlet, described offgas outlet is connected with device for recovering oil and gas (12) by pipeline, and device for recovering oil and gas (12) top is provided with exhaust emissions pipeline (7).
In technique scheme, preferably, regulate the valves (3) on described supplementary nitrogen pipeline (5) are for pneumatic valve.
In technique scheme, preferably, described storage tank (9) top does not arrange breathing valve.
For solve the problem two, the technical solution used in the present invention is as follows: a kind ofly prevent Storage Tanks Combustible Liquid gas phase from firing and reduce the process of evaporative emissions, in described storage tank, combustible liquid is housed, regulate according to the detection data of oxygen content detector and supplement regulating the valves on nitrogen pipeline, when gas phase oxygen volume content in expansion tank higher than 10.0% time, regulate the valves described in opening and pass into nitrogen; When gas phase oxygen volume content in expansion tank lower than 10.0% time, the stopping that regulating the valves described in closedown passes into nitrogen, ensures that oxygen volume content in the gas phase of each storage tank is lower than 10.0%
In technique scheme, preferably, when described combustible liquid is aromatic hydrocarbons, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.0%; When combustible liquid is oil product, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.0%; When combustible liquid is alkane, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.6%; When combustible liquid is organosilane ester, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.5%; When combustible liquid is organic alcohols, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.0%; When combustible liquid is organic acid, the oxygen volume content in the gas phase of guarantee storage tank is lower than 5.1%; When combustible liquid is organic aldehydes, the oxygen volume content in the gas phase of guarantee storage tank is lower than 6.7%.
In technique scheme, preferably, described aromatic hydrocarbons is benzene,toluene,xylene, o-xylene, m-xylene, paraxylene, mixed benzene, ethylbenzene, more than C9 heavy aromatics; Described alkane is pentane, hexane, cyclohexane, hexane oil, pentane oil; Described oil product is gasoline, kerosene, diesel oil, sump oil, coal tar naphtha, solvent naphtha, crude oil; Described organic alcohols is methyl alcohol, ethanol, propyl alcohol, butanols, isobutanol, tertiary butyl alchohol, isooctyl alcohol; Described organic aldehydes is formaldehyde, acetaldehyde, propionic aldehyde, butyraldehyde, isobutylaldehyde; Described organic acid is formic acid, acetic acid, propionic acid, butyric acid, isobutyric acid, isooctyl acid; Described organosilane ester is methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethyl hexyl acrylate, methyl methacrylate, butyl methacrylate, ethyl acetate, butyl acetate.
Adopt device of the present invention, in the operational process of tank area, breathing valve cancelled by each storage tank, arrange exhaust pipe to be connected with total outfall pipeline, in total outfall pipeline outlet, expansion tank is set, expansion tank is arranged breathing valve, the nitrogen of band control cock makes up line, oxygen content detector, breathing valve still normally sucks exhalation air.The nitrogen pipeline by-pass valve control just passing into expansion tank detects data according to oxygen content in expansion tank and regulates.When saving nitrogen, prevent Storage Tanks Combustible Liquid gas phase from firing.
This patent uses oxygen content detector, fires feature according to combustible liquid, adopts part nitrogen to mix with air, by accurately controlling gas phase oxygen volume content lower than setting value, just can reach the object preventing gas phase from firing, accomplishing essential safety.The storage tank exhaust emissions pipeline of tank field is coupled together simultaneously, eventually pass through an outlet uniform effluent, because each storage tank respiratory rate is different, can balance mutually between each storage tank gas phase.This will greatly reduce the use amount of nitrogen, reduce the discharge of tail gas, reach and prevent tank field from firing, the object of emissions reduction.The storage tank exhaust emissions pipeline of tank field is coupled together simultaneously, eventually pass through an outlet uniform effluent with device for recovering oil and gas, because each storage tank respiratory rate is different, can balance mutually between each storage tank gas phase, thus minimizing evaporative emissions, achieve good technique effect.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of device of the present invention.
1 is expansion tank; 2 is breathing valve; 3 for regulating the valves; 4 is oxygen content detector; 5 for supplementing nitrogen pipeline; 6 is air intake; 7 is exhaust emissions pipeline; 8 is data line; 9 is storage tank; 10 is total outfall pipeline; 11 is storage tank exhaust emissions pipeline; 12 is device for recovering oil and gas.
Below by embodiment, the invention will be further elaborated, but be not limited only to the present embodiment.
Detailed description of the invention
[embodiment 1]
A kind of process unit and method preventing Storage Tanks Combustible Liquid gas phase from firing and reduce evaporative emissions, for oil product storage tank, described oil product comprises gasoline, kerosene, diesel oil, sump oil, coal tar naphtha, solvent naphtha, crude oil etc., described device comprises two storage tanks (9), expansion tank (1), breathing valve (2), oxygen content detector (4), supplementary nitrogen pipeline (5), regulate the valves (3), and storage tank (9) top does not arrange breathing valve.The gas-phase space of two storage tanks (9) is all connected with total outfall pipeline (10) by exhaust pipe, total outfall pipeline (10) outlet is connected with expansion tank (1) top, breathing valve (2) one end at expansion tank (1) top is connected with the gas-phase space of expansion tank (1), oxygen content detector (4) is arranged on the gas-phase space of expansion tank (1), supplement nitrogen pipeline (5) to be connected with the gas-phase space of expansion tank (1), regulate the valves (3) be arranged on supplementary nitrogen pipeline (5), oxygen content detector (4) is connected with regulate the valves (3) by data line.Wherein, described storage tank does not arrange breathing valve, at expansion tank (1) top, breathing valve (2) is set, the breathing valve (2) at expansion tank (1) top is provided with air intake (6) and offgas outlet, described offgas outlet is connected with device for recovering oil and gas (12) by pipeline, and device for recovering oil and gas (12) top is provided with exhaust emissions pipeline (7).
In storage tank (9) operational process, the breathing valve (2) on expansion tank (1), according to discharging and feed needs, still normally to suck, air of breathing out.Just oxygen content detector (4) is set in expansion tank (1) gas phase, detects the change of gas phase oxygen content; Arrange supplementary nitrogen pipeline (5) at expansion tank top, this pipeline installs pneumatic adjusting valve door (3) additional, and this by-pass valve control detects data according to oxygen content in tank and regulates.When gas phase oxygen content in expansion tank higher than 9.0% time, automatically open valve and pass into nitrogen, until in expansion tank gas phase oxygen volume content lower than 9.0%; When gas phase oxygen volume content lower than 9.0% time, automatic-closing valve stop pass into nitrogen.By above control loop, ensure that the oxygen volume content of expansion tank gas phase is lower than 9.0%.When saving nitrogen, prevent oil product storage tank gas phase from firing.Meanwhile, the offgas outlet of the breathing valve (2) on expansion tank is connected with device for recovering oil and gas (12) by pipeline, reclaims, decrease pollutant emission to volatile matter.
Adopting device of the present invention, comparing with using nitrogen protection storage tank completely, at least can save the nitrogen of 71.5%, and the safe effect reached is completely the same.If use pressure sensor to carry out the tonifying Qi of Monitoring and Controlling nitrogen compared with the situation of exhaust with other simultaneously, not only can save nitrogen, safety also improves greatly.Can reduce by the volatile matter volatilization of 95% simultaneously.
[embodiment 2]
According to the condition described in embodiment 1, be that described alkane comprises pentane, hexane, cyclohexane, pentane wet goods by described application of installation in alkane storage tank.When gas phase oxygen content in expansion tank higher than 9.6% time, automatically open valve and pass into nitrogen, until in expansion tank gas phase oxygen volume content lower than 9.6%; When gas phase oxygen volume content lower than 9.6% time, automatic-closing valve stop pass into nitrogen.By above control loop, ensure that the oxygen volume content of storage tank gas phase is lower than 9.6%.When saving nitrogen, prevent alkane storage tank gas phase from firing.
Adopting device of the present invention, comparing with using nitrogen protection storage tank completely, at least can save the nitrogen of 72.9%, and the safe effect reached is completely the same.
[embodiment 3]
According to the condition described in embodiment 1, be that described organic acid comprises formic acid, acetic acid, propionic acid, butyric acid, isobutyric acid, isooctyl acid etc. by described application of installation in organic acid storage tank.When gas phase oxygen content in expansion tank higher than 5.1% time, automatically open valve and pass into nitrogen, until in expansion tank gas phase oxygen volume content lower than 5.1%; When gas phase oxygen volume content lower than 5.1% time, automatic-closing valve stop pass into nitrogen.By above control loop, ensure that the oxygen volume content of storage tank gas phase is lower than 5.1%.When saving nitrogen, prevent organic acid storage tank gas phase from firing.
Adopting device of the present invention, comparing with using nitrogen protection storage tank completely, at least can save the nitrogen of 62.2%, and the safe effect reached is completely the same.
[embodiment 4]
According to the condition described in embodiment 1, be that described organic aldehyde comprises formaldehyde, acetaldehyde, propionic aldehyde, butyraldehyde etc. by described application of installation in organic aldehyde storage tank.When gas phase oxygen content in expansion tank higher than 6.7% time, automatically open valve and pass into nitrogen, until in tank gas phase oxygen volume content lower than 6.7%; When gas phase oxygen volume content lower than 6.7% time, automatic-closing valve stop pass into nitrogen.By above control loop, ensure that the oxygen volume content of storage tank gas phase is lower than 6.7%.When saving nitrogen, prevent oil product storage tank gas phase from firing.
Adopting device of the present invention, comparing with using nitrogen protection storage tank completely, at least can save the nitrogen of 66%, and the safe effect reached is completely the same.
[embodiment 5]
According to the condition described in embodiment 1, just storage tank quantity is 3, at least can save the nitrogen of 81%, and the safe effect reached is completely the same.
[embodiment 6]
According to the condition described in embodiment 1, just storage tank quantity is 4, at least can save the nitrogen of 85.8%, and the safe effect reached is completely the same.
[embodiment 7]
According to the condition described in embodiment 1, be that described organosilane ester is methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethyl hexyl acrylate, methyl methacrylate, butyl methacrylate, ethyl acetate, butyl acetate by described application of installation in organic ester storage tank.When gas phase oxygen content in tank higher than 9.5% time, automatically open valve and pass into nitrogen, until in tank gas phase oxygen volume content lower than 9.5%; When gas phase oxygen volume content lower than 9.5% time, automatic-closing valve stop pass into nitrogen.By above control loop, ensure that the oxygen volume content of storage tank gas phase is lower than 9.5%.When saving nitrogen, prevent organic ester storage tank gas phase from firing.
Adopting device of the present invention, comparing with using nitrogen protection storage tank completely, at least can save the nitrogen of 72.7%, and the safe effect reached is completely the same.
[embodiment 8]
According to the condition described in embodiment 1, be that described Organic Alcohol is methyl alcohol, ethanol, propyl alcohol, butanols, isobutanol, tertiary butyl alchohol, isooctyl alcohol by described application of installation in Organic Alcohol storage tank.When gas phase oxygen content in tank higher than 9.0% time, automatically open valve and pass into nitrogen, until in tank gas phase oxygen volume content lower than 9.0%; When gas phase oxygen volume content lower than 9.0% time, automatic-closing valve stop pass into nitrogen.By above control loop, ensure that the oxygen volume content of storage tank gas phase is lower than 9.0%.When saving nitrogen, prevent Organic Alcohol storage tank gas phase from firing.
Adopting device of the present invention, comparing with using nitrogen protection storage tank completely, at least can save the nitrogen of 71.5%, and the safe effect reached is completely the same.
[embodiment 9]
According to the condition described in embodiment 1, be by described application of installation in aromatic hydrocarbons storage tank, described aromatic hydrocarbons is benzene,toluene,xylene, o-xylene, m-xylene, paraxylene, mixed benzene, ethylbenzene, more than C9 heavy aromatics.When gas phase oxygen content in tank higher than 9.0% time, automatically open valve and pass into nitrogen, until in tank gas phase oxygen volume content lower than 9.0%; When gas phase oxygen volume content lower than 9.0% time, automatic-closing valve stop pass into nitrogen.By above control loop, ensure that the oxygen volume content of storage tank gas phase is lower than 9.0%.When saving nitrogen, prevent aromatic hydrocarbons storage tank gas phase from firing.
Adopting device of the present invention, comparing with using nitrogen protection storage tank completely, at least can save the nitrogen of 71.5%, and the safe effect reached is completely the same.
Claims (6)
1. one kind prevents Storage Tanks Combustible Liquid gas phase from firing and reduces the process unit of evaporative emissions, comprise at least two storage tanks (9), expansion tank (1), breathing valve (2), oxygen content detector (4), supplement nitrogen pipeline (5), regulate the valves (3), device for recovering oil and gas (12), the gas-phase space of described at least two storage tanks (9) is all connected with total outfall pipeline (10) by exhaust pipe, total outfall pipeline (10) outlet is connected with expansion tank (1) top, oxygen content detector (4) is arranged on the gas-phase space of expansion tank (1), supplement nitrogen pipeline (5) to be connected with the gas-phase space of expansion tank (1), regulate the valves (3) be arranged on supplementary nitrogen pipeline (5), oxygen content detector (4) is connected with regulate the valves (3) by data line, wherein, at expansion tank (1) top, breathing valve (2) is set, the breathing valve (2) at expansion tank (1) top is provided with air intake (6) and offgas outlet, described offgas outlet is connected with device for recovering oil and gas (12) by pipeline, and device for recovering oil and gas (12) top is provided with exhaust emissions pipeline (7).
2. prevent Storage Tanks Combustible Liquid gas phase from firing and reducing the process unit of evaporative emissions according to claim 1, it is characterized in that regulate the valves (3) on described supplementary nitrogen pipeline (5) are for pneumatic valve.
3. prevent Storage Tanks Combustible Liquid gas phase from firing and reducing the process unit of evaporative emissions according to claim 1, it is characterized in that described storage tank (9) top does not arrange breathing valve.
4. one kind prevents Storage Tanks Combustible Liquid gas phase from firing and reduces the process of evaporative emissions, in described storage tank, combustible liquid is housed, adopt process unit according to claim 1, regulate according to the detection data of oxygen content detector and supplement regulating the valves on nitrogen pipeline, when gas phase oxygen volume content in expansion tank higher than 10.0% time, regulate the valves described in opening and pass into nitrogen; When gas phase oxygen volume content in expansion tank lower than 10.0% time, the stopping that regulating the valves described in closedown passes into nitrogen, ensures that oxygen volume content in the gas phase of each storage tank is lower than 10.0%.
5. prevent Storage Tanks Combustible Liquid gas phase from firing and reducing the process of evaporative emissions according to claim 4, when it is characterized in that described combustible liquid is aromatic hydrocarbons, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.0%; When combustible liquid is oil product, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.0%; When combustible liquid is alkane, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.6%; When combustible liquid is organosilane ester, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.5%; When combustible liquid is organic alcohols, the oxygen volume content in the gas phase of guarantee storage tank is lower than 9.0%; When combustible liquid is organic acid, the oxygen volume content in the gas phase of guarantee storage tank is lower than 5.1%; When combustible liquid is organic aldehydes, the oxygen volume content in the gas phase of guarantee storage tank is lower than 6.7%.
6. prevent Storage Tanks Combustible Liquid gas phase from firing and reducing the process of evaporative emissions according to claim 5, it is characterized in that described aromatic hydrocarbons is benzene,toluene,xylene, o-xylene, m-xylene, paraxylene, mixed benzene, ethylbenzene, more than C9 heavy aromatics; Described alkane is pentane, hexane, cyclohexane, hexane oil, pentane oil; Described oil product is gasoline, kerosene, diesel oil, sump oil, coal tar naphtha, solvent naphtha, crude oil; Described organic alcohols is methyl alcohol, ethanol, propyl alcohol, butanols, isobutanol, tertiary butyl alchohol, isooctyl alcohol; Described organic aldehydes is formaldehyde, acetaldehyde, propionic aldehyde, butyraldehyde, isobutylaldehyde; Described organic acid is formic acid, acetic acid, propionic acid, butyric acid, isobutyric acid, isooctyl acid; Described organosilane ester is methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethyl hexyl acrylate, methyl methacrylate, butyl methacrylate, ethyl acetate, butyl acetate.
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| CN201510288231.1A CN104891062A (en) | 2015-05-29 | 2015-05-29 | Processing device and method for preventing combustible liquid and gas storage tank from mutual combustion and explosion |
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| CN201510288231.1A CN104891062A (en) | 2015-05-29 | 2015-05-29 | Processing device and method for preventing combustible liquid and gas storage tank from mutual combustion and explosion |
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Application publication date: 20150909 |