CN206528773U - It is a kind of to prevent the container of chemicals volatile emission - Google Patents
It is a kind of to prevent the container of chemicals volatile emission Download PDFInfo
- Publication number
- CN206528773U CN206528773U CN201621265190.0U CN201621265190U CN206528773U CN 206528773 U CN206528773 U CN 206528773U CN 201621265190 U CN201621265190 U CN 201621265190U CN 206528773 U CN206528773 U CN 206528773U
- Authority
- CN
- China
- Prior art keywords
- inner cylinder
- container
- flexible inner
- chemicals
- utility
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000000126 substance Substances 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 229920006254 polymer film Polymers 0.000 claims description 4
- 229920000344 molecularly imprinted polymer Polymers 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 2
- 239000012855 volatile organic compound Substances 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 13
- 238000003860 storage Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 2
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 239000005033 polyvinylidene chloride Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011104 metalized film Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
A flexible inner cylinder is installed in non-pressure vessel, flexible inner cylinder bottom seal, open top, sealing is fixed on the top or top of the container at the top of flexible inner cylinder, make to form a closed memory space between flexible inner cylinder and container inner wall, flexible inner cylinder freely stretches with the change of liquid in memory space or gas volume；The material for preparing flexible inner cylinder is the film of high molecular polymer.Container provided by the utility model can effectively prevent chemicals volatile emission, it is to avoid pollutions of the VOCs to atmospheric environment.
Description
Technical field
The utility model is related to a kind of device of chemicals normal pressure storage, and particularly relating to one kind prevents chemicals in storage
The equipment volatilized during depositing, belongs to petrochemical industry equipment field.
Background technology
There are many big and small containers in chemical plant, for storing various chemicals.These containers are generally normal pressure
Container, during chemicals is stored, for the pressure balance in holding container, is often designed with breather valve and connects with air
It is logical.When liquid volume changes in container, gas can be sucked or discharged by breather valve.Due to the relation of material vapour pressure,
The harmful chemicals not waited containing concentration inevitably in the gas of discharge.Thus severe contamination is caused to atmospheric environment,
The loss of chemicals is caused simultaneously.The principal element that liquid volume changes in container is caused there are two：One is due to technique behaviour
The change for the liquid volume brought the need for work, two be the change that the caused liquid of atmospheric temperature change expands with heat and contract with cold and produced
Change.In general, the volume of container (some industries are referred to as storage tank) is bigger, chemicals saturated vapour pressure is higher, liquid level ripple
The dynamic frequency is more, and the chemical volume breathed out to air is bigger.
Because chemical kind is various, the container for storing these chemicals disperses, and the gas of exhalation is difficult to unified collection etc.
Factor, administers to air and brings very big difficulty.Although developing many targetedly technologies at present to be tackled, such as inhale
Attached method, absorption process, burning method etc., but these technologies are all to handle afterwards, applicable surface is narrow, investment for trnasforming urban land is big, is difficult large area and pushes away
Extensively use.The example for comparing successful application is to use internal floating roof tank, and the discharge of chemicals, but its can be effectively controlled from source
Complicated, cost is high, also there are problems that the dynamic sealing between inner floating roof and tank skin, nor be adapted to chemicals life
The transformation of surge tank during production.
The content of the invention
The purpose of this utility model be to provide it is a kind of it is simple in construction, cheap, can effectively prevent the appearance of chemicals volatile emission
Device.
The utility model is accomplished in the following manner：
Installed in non-pressure vessel close at the top of a flexible inner cylinder, flexible inner cylinder bottom seal, open top, flexible inner cylinder
Sealing is scheduled on the top or top of the container, makes to form a closed memory space between flexible inner cylinder and container inner wall,
Flexible inner cylinder freely stretches with the change of liquid in memory space or gas volume；The material for preparing flexible inner cylinder is polyphosphazene polymer
The film of compound, preferably 0.01~0.3 millimeter of film thickness.
Using container of the present utility model, because flexible inner cylinder can arbitrarily stretch so that flexible inner cylinder and container inner wall
Between the volume of memory space can freely change within the specific limits.So, when liquid in container or gas volume are one
, will not outside discharge of noxious gases when determining change in scope.With existing by setting breather valve to maintain pressure balanced container phase
Than efficiently solving atmospheric storage tank VOCs emission problems.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the utility model container.
Symbol description is as follows：
1- containers, 2- flexibility inner cylinders,
The liquid level gauge mouthful of L- containers
D- insides diameter of vessel, D0- inner diameter of steel flue
A1- charging apertures, A2- discharging openings, A3- exhaust outlets, A4- gas supplementing openings
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, but the utility model is not limited thereby.
Accompanying drawing is a kind of structural representation of device for storing liquid of the present utility model.It is built-in in container 1 according to the utility model
If the flexible inner cylinder 2 that a high molecular polymer film is made, flexible inner cylinder bottom seal, open top, top sealing is fixed
The memory space of a closing is formed between the top of the container or top manhole, flexible inner cylinder and container inner wall, it is flexible
Inner cylinder freely stretches with the change of liquid in memory space or gas volume.
Volume, shape when the utility model is not fully extended to flexible inner cylinder do any limitation.In principle, in flexible
The flexible volume of cylinder is bigger, and adjustable memory space is bigger in container.When the flexible volume of flexible inner cylinder is less than the appearance of container
During product, gas supplementing opening A4 and exhaust outlet A3 can be set on container, passes through automatic inflating device and exhaust apparatus (such as pressure-regulating valve and breathing
Valve etc.), container inner pressure balance is maintained when being fluctuated for operation exception, protective container and flexible inner cylinder are without prejudice.
According to method of the present utility model, obvious force-extension situation is not present in flexible inner cylinder in container, therefore right
The tensile strength for preparing the high molecular polymer film of flexible inner cylinder does not require that general commercially available film can expire particularly
Foot is required.This kind of high molecular polymer film species is a lot, such as by polythene PE, polypropylene PP, polyvinylchloride, polyphenyl second
Alkene OPS, nylon PA, polyethylene terephtalate, PVAC polyvinylalcohol, ethylene-vinyl alcohol copolymer EVOH, acrylonitrile
Birds of the same feather flock together compound PAN, metachloroethylene copolymer PVDC, special nylon, PEN PEN, polytetrafluoroethylene (PTFE), neoprene
Film that rubber, natural rubber, butyl, butyronitrile etc. are made etc..In addition, also many modified films, such as PVA is applied
Overlay film, PVDC coat films, metallized film, plating silicon thin film, water-fast modified PVA film, EVOH PP TYPEs etc..Due to chemicals
Species is various, and nature difference is very big, the flexible interior cylinder material of selection, need to follow following principle, one is that film has to stored up chemicals
Good barrier, that is, stored up chemicals can not pass through film；Two be not dissolved or be swelled by stored chemicals burn into；
Three be the temperature being resistant under storage condition, and four be easy to process.It is cheap to be easy to telescopic folding on the thickness of film
For principle, suitable film thickness is 0.01 millimeter to 1 millimeter, more preferably preferably 0.01 to 0.5 millimeter, 0.01 to 0.3 millimeter.
According to method of the present utility model, flexible inner cylinder can be made up of plural layers, and difference can be used per layer film
Macromolecule polymer material, benefit is that barrier is higher, can also play multilayer protective effect, when certain layer because fortuitous event occurs
When damaged, other layers still can ensure that chemicals does not volatilize to air, and the number of plies is more in theory, and safety coefficient is bigger, but mistake
Multilayer can occupy more memory spaces, also increase cost, more preferably preferably 1 to 10 layers, 1 to 5 layers.
According to the utility model, flexible inner cylinder bottom seal, open top, inner cylinder top sealing is fixed on the container
Portion, can seal and be fixed on inside container, can also seal and be fixed on the manhole of container top, at this moment preferably above manhole
Plus a dust cover.Sealing fixed form has diversified forms, and simplest mode is to tie up, and the utility model does not do special limit to this
It is fixed.
The container refers to the storage tank being made up of metal or engineering plastics, can be spherical storage tank, the storage of vertical flat-bottom flat-top
Tank, vertical flat-bottom pinnacle storage tank, vertical elliptical end socket storage tank etc., can set the facilities, the utility model such as liquid level gauge mouth, manhole on tank
This is not particularly limited.Setting on charging aperture and discharging opening is quantitatively arbitrary, can also share a mouth, turnover
Material mouth is preferably provided at container bottom, when being arranged on container top, and preferably bottom insert canal presses close to the wall arrangement of container.
, it is necessary to make flexible inner cylinder be fully extended in container before using container of the present utility model.
When container of the present utility model is used to store liquid, the saturation of stored liquid chemical under storage temperature
Vapour pressure should be less than 100KPa.
According to the utility model, during pressure balance for maintaining overhead return tank, A1 mouthfuls can be with return tank
Exhaust outlet is connected, it is possible to resolve the uncontrollable discharge problem for the tank deck that flowed back in still-process.
Although the utility model is described and illustrated by reference to specific embodiment, the technology of this area
Personnel will recognize that the utility model is applied to different versions, and they need not be explained herein.Therefore, it is
Determination true scope of the present utility model, it should uniquely with reference to appended claim.
Claims (2)
1. a kind of prevent the container of chemicals volatile emission, it is characterized in that：
Sealing at the top of a flexible inner cylinder, flexible inner cylinder bottom seal, open top, flexible inner cylinder is installed in non-pressure vessel solid
The top or top of the container are scheduled on, makes to form a closed memory space between flexible inner cylinder and container inner wall, it is flexible
Inner cylinder freely stretches with the change of liquid in memory space or gas volume；The material for preparing flexible inner cylinder is high molecular polymer
Film, the thickness of film is 0.01~0.3 millimeter.
2. container according to claim 1, it is characterised in that the flexible inner cylinder is thin by 1~5 floor height Molecularly Imprinted Polymer
Film is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265190.0U CN206528773U (en) | 2016-11-25 | 2016-11-25 | It is a kind of to prevent the container of chemicals volatile emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265190.0U CN206528773U (en) | 2016-11-25 | 2016-11-25 | It is a kind of to prevent the container of chemicals volatile emission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206528773U true CN206528773U (en) | 2017-09-29 |
Family
ID=59922588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621265190.0U Expired - Fee Related CN206528773U (en) | 2016-11-25 | 2016-11-25 | It is a kind of to prevent the container of chemicals volatile emission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206528773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115202196A (en) * | 2022-09-13 | 2022-10-18 | 北京世纪隆博科技有限责任公司 | Pressure split-range control method and system, storage medium and processor |
-
2016
- 2016-11-25 CN CN201621265190.0U patent/CN206528773U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115202196A (en) * | 2022-09-13 | 2022-10-18 | 北京世纪隆博科技有限责任公司 | Pressure split-range control method and system, storage medium and processor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170313483A1 (en) | Venting liner and method | |
| Robertson | Packaging and food and beverage shelf life | |
| JPH05501842A (en) | Improvements in or relating to containers | |
| CN206528773U (en) | It is a kind of to prevent the container of chemicals volatile emission | |
| WO2007139377A1 (en) | Container for waste to be thermally treated | |
| CN207046135U (en) | A kind of device for storing liquid for preventing chemicals volatile emission | |
| US20220242629A1 (en) | Food container comprising a gas permeable barrier | |
| EP3271261B1 (en) | Fitment splash guard | |
| US20170232129A1 (en) | Device for evaporating volatile substances | |
| CN106256702A (en) | A kind of plastic barrel | |
| DE202010008367U1 (en) | packaging container | |
| CN108100509A (en) | A kind of device for storing liquid for preventing chemicals volatile emission | |
| CN207242428U (en) | A kind of combined type combines rubbery plug lid | |
| RU2009134797A (en) | MULTILAYERED CONTAINERS AND METHOD FOR REMOVING FROM IT RESIDUES | |
| EP3473435A1 (en) | The head of flexible tube intended for connecting with the body of the tube, flexible tube and the method of its production | |
| US20190047317A1 (en) | Cylindrical molded article | |
| NO842351L (en) | SPRAY BOTTLE. | |
| CN210503789U (en) | Sealed material transporting barrel for medical intermediate | |
| JP2012096823A (en) | Liquid storage container | |
| JP2016145075A (en) | Packing of agricultural chemical container | |
| CN211309604U (en) | Circular industrial chemicals storage tank | |
| JPH02122909A (en) | Vessel made of plastic and its manufacture | |
| CN205707776U (en) | High-barrier pesticide barrier bottle | |
| CH674760A5 (en) | Device for storing and dispensing pressurised prods. | |
| CN202295894U (en) | Pesticide blocking bottle with double HDPE (High-density Polyethylene) layers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |