CN205873887U - Ethylene oxide unloading system - Google Patents
Ethylene oxide unloading system Download PDFInfo
- Publication number
- CN205873887U CN205873887U CN201620807347.1U CN201620807347U CN205873887U CN 205873887 U CN205873887 U CN 205873887U CN 201620807347 U CN201620807347 U CN 201620807347U CN 205873887 U CN205873887 U CN 205873887U
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- China
- Prior art keywords
- storage tank
- unloading
- pipe
- car
- gas
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Abstract
The utility model relates to a chemical production technology design field discloses an ethylene oxide unloading system, EO storage tank, car storage tank, the impeller pump of unloading, gaseous phase balance pipe, liquid phase pipe, high pressure the drop a hint scrubbing tower and the nitrogen gas pipe of unloading have been included, through the module optimal design, through addding the impeller pump of the unloading operation of unloading to increase the gaseous phase balance pipe in EO storage tank gaseous phase and car storage tank gaseous phase part, with the pressure that balances car storage tank and EO storage tank, both avoided the car storage tank to be managed to find time, again the guarantee unload the operation accomplish after EO storage tank pressure can not be on the high side unusually, through the unloading system of rational design, on EO storage tank and car storage tank, can realize real -time gas leakage alarm, the stability and the security of the operation of improvement system through addding the gaseous detection device of ethylene oxide.
Description
Technical field
This utility model relates to chemical production technology design field, particularly a kind of oxirane unloading system.
Background technology
Oxirane (EO) is one of important organic synthesis raw material.For manufacturing that second two is liquor-saturated, synthetic detergent, emulsifying
Agent, nonionic surfactant, antifreeze, plasticizer, lubricant, insecticide and be used as warehouse fumigant etc., effect can
Lean on and easy to use, thus extensively applied.
EO is liquid or the gas that water white transparency has ethereal odor, has elevated chemical activity.Inflammable, explosive, be soluble in
Water, acetone, methanol, benzene and carbon tetrachloride.When in air, concentration reaches more than 3% danger i.e. having blast, therefore can only fill in
In special pressure tight metal container.EO liquids and gases have certain toxicity to human body, can cause urgency when people sucks excess EO
Property poisoning, occur that violent pulsatile headache, dizziness, instability of gait, Nausea and vomiting, pulmonary edema, whole body weakness etc. are existing
As.Compared with severe one whole-body muscle vibration, perspire, mind dim so that stupor.
In evening about 23 on August 24th, 2012, it is positioned at chemical plant, one, Shanghai City, an EO tank car preparing discharging
Metal hose of not unloading due to driver connects jail, and when opening discharge gate, flexible pipe of unloading comes off, cause substantial amounts of EO from
Tank car sprays, and causes the driver of operation on tank car top to fall.Accident is not caught fire and explodes, but causes 6 people's poisonings, and 2
People is dead.This is that in the accident that EO causes in recent years, casualties is maximum once, has absolutely proved that EO is in handling operation process
Middle security risk is huge.
Summary of the invention
The purpose of this utility model is to provide a kind of oxirane unloading system, and the chemical property for oxirane is lived
Sprinkle, carry out, by setting up vane pump of unloading, operation of unloading, and increase balance pipe in EO storage tank gas phase with automobile storage tank gas phase portion,
With balance tank car and the pressure of basin, both having avoided tank car to be evacuated, after guarantee car unloading operation completes again, storage pressure will not be abnormal
Higher.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model discloses a kind of oxirane and unload
System, uses nitrogen auxiliary blade pump to unload, includes EO storage tank, automobile storage tank, vane pump of unloading, gas-liquid equilibrium pipe, liquid phase
Drop a hint scrubbing tower and nitrogen tube of unloading, EO storage tank and automobile storage tank of pipe, high pressure is formed by gas-liquid equilibrium pipe and liquid-phase tube and closes
Closing loop, scrubbing tower is dropped a hint at the two ends of gas-liquid equilibrium pipe respectively with high pressure and nitrogen tube of unloading is connected, vane pump of unloading installation
In the middle part of liquid-phase tube.
Wherein, EO storage tank offers discharge duct and feed pipe, middle governor pressure table and site pressure table, vapour are installed
Offering tank car discharge pipe and tank car gas phase pipeline on car storage tank, EO storage tank discharge duct passes through gas-liquid equilibrium pipe and vehicle slot
The tank car gas phase pipeline of car is connected, and EO storage tank feed pipe is connected with the tank car discharge pipe of automobile storage tank by liquid-phase tube.
Wherein, EO storage tank is connected with cooling unit, and in EO storage tank, temperature is less than 5 DEG C, EO storage tank employing rustless steel or not
Prepared by rust steel composite material, EO storage tank uses sealing flange to be connected with discharge duct and feed pipe.
Wherein, vane pump of unloading uses metal shell inner lining fluoroplastics, and flow passage components all use Fluoroine-containing plastic alloy manufacture.
Preferably, also including that ethylene oxide gas detects device, ethylene oxide gas detection device is respectively arranged in EO storage
On groove and automobile storage tank.
This utility model has the advantages that
1. this utility model is designed by module optimization, carries out, by setting up vane pump of unloading, operation of unloading, and stores up at EO
Groove gas phase increases gas-liquid equilibrium pipe with automobile storage tank gas phase portion, with the pressure of balanced car storage tank Yu EO storage tank, has both avoided vapour
Car storage tank is evacuated, and after guarantee car unloading operation completes again, EO storage tank pressure will not be the most higher.
2., through the unloading system of appropriate design, it is installed on EO storage tank and automobile storage by setting up ethylene oxide gas detection
On groove, it is possible to achieve real-time gas leakage alarms, improve stability and safety that system is run.
3. achieve process zero-emission of unloading, can effectively save Material Cost, can substantially shorten the time of unloading, from
Average 5 hours before, stablize 2.5 hours, thus ensure the handling of the materials such as PP, EO, PO for the longest 8 hours up till now
Car is the most unobstructed, shortens the holdup time, reduces logistics cost；Arrangement of time of unloading is not limited by nitrogen total net pressure size,
And the use of nitrogen can be reduced.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Primary clustering symbol description:
1:EO storage tank, 2: discharge duct, 3: feed pipe, 4: automobile storage tank, 5: tank car discharge pipe, 6: tank car gas phase pipe
Road, 7: vane pump of unloading, 8: gas-liquid equilibrium pipe, 9: liquid-phase tube, 10: high pressure is dropped a hint scrubbing tower, 11: nitrogen tube of unloading, 12: cold
But unit, 13: ethylene oxide gas detection device.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.
As it is shown in figure 1, the utility model discloses a kind of oxirane unloading system, nitrogen auxiliary blade pump is used to unload
Car, includes EO storage tank 1, automobile storage tank 4, vane pump 7 of unloading, gas-liquid equilibrium pipe 8, liquid-phase tube 9, high pressure drop a hint scrubbing tower 10
With nitrogen tube 11 of unloading, EO storage tank 1 offers discharge duct 2 and feed pipe 3, middle governor pressure table and site pressure are installed
Table, automobile storage tank 4 offers tank car discharge pipe 5 and tank car gas phase pipeline 6, and the discharge duct 2 of EO storage tank 1 is put down by gas phase
Weighing apparatus pipe 8 is connected with the tank car gas phase pipeline 6 of tank wagon 4, and the feed pipe 3 of EO storage tank 1 is by liquid-phase tube 9 and automobile storage tank 4
Tank car discharge pipe 5 be connected, vane pump 7 of unloading is installed in the middle part of liquid-phase tube 9, and ethylene oxide gas detection device 13 is pacified respectively
It is loaded on EO storage tank 1 and automobile storage tank 4.
Wherein, EO storage tank 1 with cooling unit 12 be connected, in EO storage tank 1, temperature is less than 5 DEG C, and use nitrogen insulate from
System, in EO storage tank 1, pressure uses rustless steel or stainless steel composite material to prepare more than 0.4MPa, EO storage tank 1, EO storage tank 1 with
Discharge duct 2 and feed pipe 3 use sealing flange to connect；Vane pump 7 of unloading uses metal shell inner lining fluoroplastics, flow passage
Part all uses Fluoroine-containing plastic alloy manufacture.
Operation principle:
The application oxirane unloading system increases by one in the liquid-phase tube 9 that EO storage tank 1 is connected with automobile storage tank 4 and unloads
Vane pump 7, by unloading, vane pump 7 carries out operation of unloading.And it is flat to increase gas phase at EO storage tank 1 and automobile storage tank 4 gas phase portion
Weighing apparatus pipe 8, to balance the pressure of tank car and basin, had both avoided tank car to be evacuated, and after guarantee car unloading operation completes again, storage pressure is not
Can be abnormal higher, it is achieved that process of unloading zero-emission, Material Cost can be effectively saved, the time of unloading can be substantially shortened,
From before average 5 hours, within the longest 8 hours, stablize up till now 2.5 hours, thus ensure the dress of the materials such as PP, EO, PO
Unload the most unobstructed, shorten the holdup time, reduce logistics cost；Arrangement of time of unloading is not limited by nitrogen total net pressure size
System, and the use of nitrogen can be reduced.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain within protection domain of the present utility model.
Claims (5)
1. an oxirane unloading system, uses nitrogen auxiliary blade pump to unload, it is characterised in that to include EO storage tank, vapour
Car storage tank, vane pump of unloading, gas-liquid equilibrium pipe, liquid-phase tube, high pressure are dropped a hint scrubbing tower and nitrogen tube of unloading, described EO storage tank
Forming closed-loop path with automobile storage tank by gas-liquid equilibrium pipe and liquid-phase tube, drops a hint with high pressure respectively in the two ends of gas-liquid equilibrium pipe
Scrubbing tower is connected with nitrogen tube of unloading, and described vane pump of unloading is installed in the middle part of liquid-phase tube.
2. a kind of oxirane unloading system as claimed in claim 1, it is characterised in that: the row of offering on described EO storage tank
Feed channel and feed pipe, be provided with middle governor pressure table and site pressure table, described automobile storage tank offer tank car discharging
Pipeline and tank car gas phase pipeline, described EO storage tank discharge duct is by the tank car gas phase pipeline of gas-liquid equilibrium pipe with tank wagon
Being connected, described EO storage tank feed pipe is connected with the tank car discharge pipe of automobile storage tank by liquid-phase tube.
3. a kind of oxirane unloading system as claimed in claim 1 or 2, it is characterised in that: described EO storage tank and cooling
Unit is connected, and in EO storage tank, temperature is less than 5 DEG C, and described EO storage tank uses rustless steel or stainless steel composite material to prepare, EO
Storage tank uses sealing flange to be connected with discharge duct and feed pipe.
4. a kind of oxirane unloading system as claimed in claim 3, it is characterised in that: described vane pump of unloading uses gold
Belonging to inner lining of casing fluoroplastics, flow passage components all use Fluoroine-containing plastic alloy manufacture.
5. a kind of oxirane unloading system as claimed in claim 1, it is characterised in that: also include that ethylene oxide gas detects
Device, described ethylene oxide gas detection device is respectively arranged on EO storage tank and automobile storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620807347.1U CN205873887U (en) | 2016-07-29 | 2016-07-29 | Ethylene oxide unloading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620807347.1U CN205873887U (en) | 2016-07-29 | 2016-07-29 | Ethylene oxide unloading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205873887U true CN205873887U (en) | 2017-01-11 |
Family
ID=57699982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620807347.1U Expired - Fee Related CN205873887U (en) | 2016-07-29 | 2016-07-29 | Ethylene oxide unloading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205873887U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313967A (en) * | 2017-01-18 | 2018-07-24 | 湖北星火化工有限公司 | A kind of totally enclosed hydrochloric acid tank car handler and its handling method |
| CN115605706A (en) * | 2020-05-20 | 2023-01-13 | 乔治洛德方法研究和开发液化空气有限公司（Fr） | Device and method for transferring cryogenic fluids |
| CN117111538A (en) * | 2023-10-24 | 2023-11-24 | 苏州致邦能源装备有限公司 | Control system for unloading process of gas storage tank |
-
2016
- 2016-07-29 CN CN201620807347.1U patent/CN205873887U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313967A (en) * | 2017-01-18 | 2018-07-24 | 湖北星火化工有限公司 | A kind of totally enclosed hydrochloric acid tank car handler and its handling method |
| CN115605706A (en) * | 2020-05-20 | 2023-01-13 | 乔治洛德方法研究和开发液化空气有限公司（Fr） | Device and method for transferring cryogenic fluids |
| CN117111538A (en) * | 2023-10-24 | 2023-11-24 | 苏州致邦能源装备有限公司 | Control system for unloading process of gas storage tank |
| CN117111538B (en) * | 2023-10-24 | 2024-01-05 | 苏州致邦能源装备有限公司 | Control system for unloading process of gas storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |