CN203463931U - Epoxy propane storage device - Google Patents
Epoxy propane storage device Download PDFInfo
- Publication number
- CN203463931U CN203463931U CN201320377472.XU CN201320377472U CN203463931U CN 203463931 U CN203463931 U CN 203463931U CN 201320377472 U CN201320377472 U CN 201320377472U CN 203463931 U CN203463931 U CN 203463931U
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- CN
- China
- Prior art keywords
- tank
- storage device
- propylene oxide
- storage tank
- storage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000012071 phase Substances 0.000 claims abstract description 20
- 239000007791 liquid phase Substances 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 27
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 23
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 23
- 239000004571 lime Substances 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000007788 liquid Substances 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 238000001816 cooling Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 10
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to an epoxy propane storage device and an epoxy propane storage process. The storage device comprises a storage tank, storage tank accessories, matched process pipelines, gas phase pipelines and refrigeration facilities as well as other public engineering pipeline equipment and the like. The storage device is characterized by comprising a gas phase condenser communicated with the storage tank as well as a vacuum pump, a liquid phase condenser, a condensate tank, a condensate pump and a stirring device in the tank, which are matched with the storage tank (a refrigerating coil in the tank and a refrigerating coil at the top of the tank can be additionally arranged when necessary). Relative to the conventional prior art, the epoxy propane storage device has the advantages that (1) the entire device is simple in structure, low in manufacturing cost and convenient in manufacturing, construction and reconstruction; (2), aiming at epoxy propane and similar liquid chemical materials, by adopting the technical scheme, the aim of safe storage under a normal pressure can be completely and effectively achieved; (3) the gas phase balance of 'big and small' breathing of the storage tank during production and storage is effectively solved, and especially the closed operation of an entire set of system is realized, so that the material loss rate is greatly increased, and the pollution to the environment is extremely low.
Description
Technical field
The present invention relates to a kind of storage device, relate in particular to a kind of propylene oxide storage device, belong to chemical technology field.
Background technique
Propylene oxide is a kind of chemical product inflammable, explosive, low boiling physicochemical property that has, and the volume percentage concentration that its explosion limit is 2.8 ~ 37 in air contacts with oxygenant and can produce reaction, and chance naked light, Gao Reyi cause burning, and give off poisonous gas.Its steam is heavier than air, and can be diffused in lower place quite far away, meets naked light and can cause and strile-back.Particularly its boiling point is 33.9 ℃, and when storage temperature reaches this numerical value, propylene oxide height volatilizees, causes the interior vapor tension of reservoir vessel too high.
Because propylene oxide has the physicochemical property of above uniqueness, therefore in handling and daily storing process to airtight, the processing of tail gas of storage temperature, device, the control of loss etc. seem of crucial importance.
In the prior art, storing mode generally takes pressurized tank to carry out, but this apparatus cost is higher; , guaranteeing under the prerequisite of product safety environmental protection quality how to utilize atmospheric storage tank to store for this reason, reducing to greatest extent the consumption of material and solve atmosphere polluting problem, is the problem that industry is inquired into research always.
Summary of the invention
The present invention is just for the technical problem existing in prior art, the daily storage device of a kind of a kind of propylene oxide simple in structure, easy to operate, lower-cost and storage technology are provided, this technological scheme has realized storage ring Ethylene Oxide technology at normal temperatures effectively, and whole system carries out in airtight environment, to atmosphere without any pollution.
To achieve these goals, technological scheme of the present invention is as follows, a kind of propylene oxide storage device, described storage device comprises storage tank and the pipeline communicating with storage tank, it is characterized in that, described storage device also comprises gas phase condenser, liquid phase condensate device, lime set tank and the lime set pump communicating with storage tank, and described lime set tank connects gas phase condenser by pipeline one end, and one end connects lime set pump.This storage device overall structure is simple, cost is lower, and this device realized storage ring Ethylene Oxide under atmospheric pressure state, whole system sealing, to atmosphere without any pollution.
As a modification of the present invention, in described storage tank, be also provided with control gear, be used for controlling the liquid level of pressure, temperature or propylene oxide in storage tank, according to circumstances adjust constantly.
As a modification of the present invention, described control gear setting comprises one or more combinations in pressure transmitter, Intelligent radar level meter, multipoint temperature monitor, described pressure transmitter is used for regulating the pressure in storage tank, level meter detects the liquid level in storage tank, thermometer detects the temperature in storage tank constantly, further guarantees to meet the various conditions of accumulating.
As a modification of the present invention, in described storage tank, being also provided with floats takes out charging rotary nozzle at the bottom of materials device and tank.Float and take out materials device for the material in storage tank is extracted to pipeline, rotary nozzle is used for stirring material, reaches the object of uniform decrease in temperature.
As a modification of the present invention, in described storage tank, be also provided with one-way breather valve, be used for that superpressure tail gas is drained into gas phase cooler, nitrogen envelope modulating valve and be used for regulating nitrogen seal pressure.
As a modification of the present invention, described storage tank level top is provided with takes out material mouthful, for upper strata high-temperature material is extracted to external equipment.
As a modification of the present invention, described tank bottom is provided with condenser coil.Be used for lowering the temperature to entering the material of tank bottom, at the bottom of this just makes the material cooling of the interior high temperature of tank place be back to tank, through circulation, in tank, material just can reach design safety accumulating temperature at short notice.
As a modification of the present invention, described tank roof outer installment has cold insulation layer and condenser coil.The gas of the higher easy generation volatilization of propylene oxide tank deck temperature, thereby also adopt condenser coil in tank roof outside, when propylene oxide gaseous volatilization is during to tank deck, the external condensation coil pipe liquid that gas cold can be congealed into is got back in tank again.The dual condenser coil of this top and bottom makes in tank propylene oxide temperature all the time in the temperature range in safety, and greatly reduces the loss of propylene oxide; In tank roof outer installment, there is cold insulation layer, preferably polyurethane integral spraying, cold insulation is effective, further reduces the loss of propylene oxide.
As a modification of the present invention, the outside of described pipeline, gas phase condenser, liquid phase condensate device, lime set tank, lime set pump is provided with cold insulation layer.Further reduce propylene oxide temperature, reduce its loss.
The daily storage technology of propylene oxide, is characterized in that, described storage technology comprises the following steps, 1) propylene oxide enters liquid phase condensate device by taking out material mouth in storage tank; 2) by liquid phase condensate device cooling, cooling after be pumped to bottom of storage tank; 3) tank bottom propylene oxide continues cooling under the effect of condenser coil, reaches the safety in transportation and storage temperature of setting; 4) from the gas of tank deck volatilization, enter the cooling recycling of gas phase condenser.Wherein in storage tank, temperature of charge during higher than 5kPa, can utilize Loading Pump by material suction liquid phase condensate device circulating cooling in storage tank higher than 15 ℃ or tank internal pressure; The import material of pump is taken from storage tank and is floated and take out materials device, and by entering ad hoc tube for entering can road after condenser, this pipeline arranges rotary nozzle in storage tank, and one has material to enter, and rotates the automatic stirring of meeting and discussing, and reaches uniform decrease in temperature effect.
1), whole apparatus structure is simple with respect to prior art, beneficial effect of the present invention is as follows:, cost is low; 2), this technological scheme realized storage ring Ethylene Oxide technology at normal temperatures effectively, and whole system carries out in airtight environment, to atmosphere without any pollution; 3), bottom and the tank roof outside of storage tank be provided with condenser coil, the dual condenser coil of this top and bottom makes in tank propylene oxide temperature all the time in the temperature range in safety, and greatly reduces the loss of propylene oxide; 4), pipeline and the equipment of all logical materials is provided with cold insulation layer, further reduces the temperature of propylene oxide, further lowers the loss of propylene oxide; 5), control gear is set in storage tank, control constantly pressure, temperature and liquid level in tank, guarantee the condition of normal accumulating; 6) in storage technology by being used in conjunction with of gas phase condenser, liquid phase condensate device, further reduce the loss of material and greatly reduced the pollution to air.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is tank structure schematic diagram of the present invention;
In figure: 1, storage tank, 2, liquid phase condensate device, 3, gas phase condenser, 4, lime set tank, 5, lime set pump, 6, propylene oxide Loading Pump, 11, take out material mouthful, 12, condenser coil, 13, condenser coil, 7, pipeline, 14, rotary nozzle, 15, pressure transmitter, 16, nitrogen envelope modulating valve, 17, one-way breather valve, 18, Intelligent radar level meter, 19, sewage draining exit, 20, multipoint temperature monitor, 21, liquid level alarm device.
Embodiment
In order to deepen the understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, the present invention is made further instructions and introduced.
embodiment 1:
Referring to Fig. 1, a kind of propylene oxide storage device, the pipeline 7 that described storage device comprises storage tank 1 and communicates with storage tank, described storage device also comprises gas phase condenser 3, liquid phase condensate device 2, lime set tank and the 4 lime set pumps 5 that communicate with storage tank, described lime set tank 4 connects gas phase condenser 3 by pipeline 7 one end, and one end connects lime set pump 5.Wherein the heat exchange area of gas phase condenser is at least greater than 100 ㎡, the heat exchange area of liquid phase condensate device is at least greater than 100 ㎡, and this storage device overall structure is simple, cost is lower, and this device has been realized storage ring Ethylene Oxide under atmospheric pressure state, whole system sealing, to atmosphere without any pollution.
embodiment 2:as a modification of the present invention, in described storage tank, be also provided with control gear, be used for controlling the liquid level of pressure, temperature or propylene oxide in storage tank, according to circumstances adjust constantly.All the other structures are identical with embodiment 1 with advantage.
embodiment 3:referring to Fig. 2, as a modification of the present invention, described control gear setting comprises one or more combinations in pressure transmitter 15, Intelligent radar level meter 18, multipoint temperature monitor 20, described pressure transmitter 15 is used for regulating the pressure in storage tank, the liquid level that level meter 18 detects in storage tank, thermometer 20 detects the temperature in storage tank constantly, further guarantees to meet the various conditions of accumulating.All the other structures are identical with embodiment 1 with advantage.
embodiment 4: referring to Fig. 2,as a modification of the present invention, in described storage tank, being also provided with floats takes out charging rotary nozzle 14 at the bottom of materials device and tank.Float and take out materials device for the material in storage tank is extracted to pipeline, rotary nozzle is used for stirring material, reaches the object of uniform decrease in temperature.All the other structures are identical with embodiment 1 with advantage.
embodiment 5: referring to Fig. 2,as a modification of the present invention, in described storage tank, be also provided with one-way breather valve 17, nitrogen envelope modulating valve 16.Mainly for regulating the pressure of nitrogen.All the other structures are identical with embodiment 1 with advantage.
embodiment 6:as a modification of the present invention, described storage tank level top is provided with takes out material mouth 11, for upper strata high-temperature material is extracted to external equipment.All the other structures are identical with embodiment 1 with advantage.
embodiment 7:as a modification of the present invention, described tank bottom is provided with condenser coil 12.Be used for lowering the temperature to entering the material of tank bottom, at the bottom of this just makes the material cooling of the interior high temperature of tank place be back to tank, through circulation, in tank, material just can reach design safety accumulating temperature at short notice.All the other structures are identical with embodiment 1 with advantage.
embodiment 8:as a modification of the present invention, described tank roof outer installment has cold insulation layer and condenser coil 13.The gas of the higher easy generation volatilization of propylene oxide tank deck temperature, thereby also adopt condenser coil in tank roof outside, when propylene oxide gaseous volatilization is during to tank deck, the external condensation coil pipe liquid that gas cold can be congealed into is got back in tank again.The dual condenser coil of this top and bottom makes in tank propylene oxide temperature all the time in the temperature range in safety, and greatly reduces the loss of propylene oxide; In tank roof outer installment, there is cold insulation layer, preferably polyurethane integral spraying, cold insulation is effective, further reduces the loss of propylene oxide.All the other structures are identical with embodiment 1 with advantage.
embodiment 9:as a modification of the present invention, the outside of described pipeline 7, gas phase condenser 3, liquid phase condensate device 2, lime set tank 4, lime set pump 5 is provided with cold insulation layer.Further reduce propylene oxide temperature, reduce its loss.All the other structures are identical with embodiment 1 with advantage.
embodiment 10:as a modification of the present invention, a upper lateral part of described storage tank is provided with liquid level alarm device 21, and this warning device is used for detecting the liquid level of storage tank, and when liquid level surpasses certain height, alarm activation is reported to the police; The bottom of storage tank is also provided with exhaust port 19, for the dirt in let-down vessel.
embodiment 11:the daily storage technology of a kind of propylene oxide, described storage technology comprises the following steps, 1) in storage tank, propylene oxide enters liquid phase condensate device by taking out material mouth, the inlet pressure of liquid phase condensate implements material is 0.4 ~ 0.6mPa, liquid phase condensate device cooling water temperature-10 ℃, 2) after cooling, the cooling by liquid phase condensate device, be pumped to bottom of storage tank; 3) tank bottom propylene oxide continues cooling under the effect of condenser coil, reaches the safety in transportation and storage temperature of setting, and the temperature after circulation is 7-9 °; 4) from the gas of tank deck volatilization, enter the cooling recovery of gas phase condenser, after being introduced into lime set tank, enter again lime set pump, by propylene oxide Loading Pump, enter tank bottom again, without cooling gas phase, by lime set tank, pipeline, directly enter the processing that exhaust gas recovery system carries out tail gas.
Wherein in storage tank, temperature of charge during higher than 5kPa, can utilize Loading Pump by material suction liquid phase condensate device circulating cooling in storage tank higher than 15 ℃ or tank internal pressure; The import material of pump is taken from storage tank and is floated and take out materials device, and by entering ad hoc tube for entering can road after condenser, this pipeline arranges rotary nozzle in storage tank, and one has material to enter, and rotates the automatic stirring of meeting and discussing, and reaches uniform decrease in temperature effect.
In this storage technology, by being used in conjunction with of gas phase condenser, liquid phase condensate device, further reduce the loss of material, because package unit is airtight, carry out, therefore greatly reduced the pollution to air.
The present invention can also be combined to form new mode of execution by least one and embodiment 1 in technical characteristics described in embodiment 2,3,4,5,6,7,8,9,10.
It should be noted that above-described embodiment is only preferred embodiment of the present invention; be not used for limiting protection scope of the present invention; being equal to replacement or substituting of having done on the basis of the above all belongs to protection scope of the present invention, and protection scope of the present invention is as the criterion with claims.
Claims (9)
1. a propylene oxide storage device, described storage device comprises storage tank, tank body annex and the pipeline communicating with storage tank, it is characterized in that, described storage device also comprises gas phase condenser, liquid phase condensate device, lime set tank and the lime set pump communicating with storage tank, described lime set tank connects gas phase condenser by pipeline one end, and one end connects lime set pump.
2. propylene oxide storage device according to claim 1, is characterized in that, is also provided with control gear in described storage tank.
3. propylene oxide storage device according to claim 2, is characterized in that, described control gear setting comprises one or more combinations in pressure transmitter, Intelligent radar level meter, multipoint temperature monitor.
4. according to the propylene oxide storage device described in claim 1 or 2 or 3, it is characterized in that, in described storage tank, be also provided with charging stirring apparatus in tank, described stirring apparatus is provided with multi-directional rotation shower nozzle.
5. according to the propylene oxide storage device described in claim 1 or 2 or 3, it is characterized in that, in described storage tank, be also provided with one-way breather valve, nitrogen envelope modulating valve.
6. according to the propylene oxide storage device described in claim 1 or 2 or 3, it is characterized in that, described storage tank level top is provided with to float takes out material mouthful, for upper strata high-temperature material is extracted to external equipment.
7. according to the propylene oxide storage device described in claim 1 or 2 or 3, it is characterized in that, described tank inside is provided with refrigerating coil.
8. according to the propylene oxide storage device described in claim 1 or 2 or 3, it is characterized in that, described tank roof outer installment has cold insulation layer and refrigerating coil.
9. according to the propylene oxide storage device described in claim 1 or 2 or 3, it is characterized in that, the outside of described pipeline, gas phase condenser, liquid phase condensate device, lime set tank, lime set pump is provided with cold insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377472.XU CN203463931U (en) | 2013-06-28 | 2013-06-28 | Epoxy propane storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377472.XU CN203463931U (en) | 2013-06-28 | 2013-06-28 | Epoxy propane storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463931U true CN203463931U (en) | 2014-03-05 |
Family
ID=50176298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320377472.XU Expired - Lifetime CN203463931U (en) | 2013-06-28 | 2013-06-28 | Epoxy propane storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307441A (en) * | 2013-06-28 | 2013-09-18 | 江苏海企化工仓储有限公司 | Epoxy propane storage device and storage process |
-
2013
- 2013-06-28 CN CN201320377472.XU patent/CN203463931U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307441A (en) * | 2013-06-28 | 2013-09-18 | 江苏海企化工仓储有限公司 | Epoxy propane storage device and storage process |
| CN103307441B (en) * | 2013-06-28 | 2016-08-10 | 江苏海企化工仓储股份有限公司 | A kind of expoxy propane storage device and storage technology |
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Granted publication date: 20140305 |