CN102649499A - Solvent storage tank - Google Patents
Solvent storage tank Download PDFInfo
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- CN102649499A CN102649499A CN2012101476406A CN201210147640A CN102649499A CN 102649499 A CN102649499 A CN 102649499A CN 2012101476406 A CN2012101476406 A CN 2012101476406A CN 201210147640 A CN201210147640 A CN 201210147640A CN 102649499 A CN102649499 A CN 102649499A
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Abstract
The invention discloses a solvent storage tank, which comprises a body and is characterized in that the body is respectively connected with a solvent feeding pipeline, a solvent discharging pipeline, an air inlet pipeline and an exhaust pipeline, wherein the solvent feeding pipeline and the solvent discharging pipeline are respectively used for feeding and discharging, the air inlet pipeline and the exhaust pipeline are respectively used for air inlet and exhaust, the air inlet pipeline is provided with an air inlet filter and moisture absorption tanks in the air inlet direction, and the exhaust pipeline is provided with condensers and active carbon adsorption devices in the exhaust direction. The solvent storage tank has the beneficial effects that the air inlet pipeline of the solvent storage tank disclosed by the invention is additionally provided with a group of moisture absorption tanks for absorbing moisture in air, and the influence on the solvent quality is prevented; and meanwhile, the exhaust pipeline is additionally provided with a group of condensers and active carbon adsorption devices, volatile organic solvents are firstly recovered through the condensers, are then adsorbed through active carbon and are finally exhausted through the exhaust pipeline, the air pollution is effectively reduced, in addition, condensed solvents under the condensers are also recovered and reutilized, and the economic benefit is increased.
Description
Technical field
The present invention relates to a kind of solvent tank, be specifically related to a kind of solvent tank that can effectively reduce the solvent evaporates in the storage tank and can prevent the solvent moisture absorption in the storage tank.
Background technology
Often need in the commercial production to adopt solvent tank store solvent,, can cause performance to be affected because of making moist on the other hand, so having relatively high expectations the storage tank of storing this kind solvent in view of the solvent that has has volatility on the one hand.For instance; Polyurethane (PU) mainly adds chain extender by diisocyanate, polyester-diol or PTMEG and catalyst, solvent polymerization in agitated reactor are processed; Must use a large amount of organic solvents in the polymerization process; Therefore the producer that produces polyurethane all has solvent tank to store a large amount of organic solvents, and solvent tank influences the quality of back segment product largely.In production of polyurethane, diisocyanate is a primary raw material, and this raw material is prone to and the water reaction, and production process such as solvent water content height then can influence its reactivity, so solvent tank must be able to prevent that the solvent suction is to avoid influencing end product quality.In addition, the volatilization of diisocyanate can pollute material and intersperse among in the environment, thereby causes environmental pollution, influences health, so how solvent tank reduces the solvent discharge amount, also is that we expect the problem that solves.
At present, the structure of known solvent storage tank is by the storage tank body referring to Fig. 1, the input and output material pipeline, and intake and exhaust pipeline and relevant valve member constitute, and when the storage tank solvent used, air can be got into by air inlet pipe, then influences the aqueous ingredients of solvent in the storage tank when air humidity is high easily.During the storage tank charging, storage tank internal solvent gas can be discharged through freeing pipe, directly influences environment in the exhaust to atmosphere, causes aerial contamination.Therefore solvent tank must be taken into account the solvent moisture absorption that prevents in the storage tank and reduce solvent to airborne quantity discharged, but does not also have a kind of solvent tank can reach above-mentioned requirements at present.
Summary of the invention
For solving the deficiency of prior art, the object of the present invention is to provide a kind of solvent tank, can prevent the solvent moisture absorption in the storage tank, can effectively reduce solvent evaporates again.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Solvent tank comprises body, it is characterized in that, above-mentioned body is connected with: the solvent feed pipeline and solvent discharging pipeline, the admission line that is respectively applied for air inlet and exhaust and the bleeder line that are respectively applied for charging and discharging; Above-mentioned admission line is provided with air inlet pipe filter and moisture absorption jar by airintake direction, and above-mentioned bleeder line is provided with condenser and activated carbon adsorption unit by discharge directions.
Aforesaid solvent tank is characterized in that, is respectively equipped with admission line check valve and bleeder line check valve on above-mentioned admission line and the bleeder line.
Aforesaid solvent tank is characterized in that, above-mentioned solvent feed pipeline is connected with the top of body, and above-mentioned solvent discharging pipeline is connected with the bottom of body.
Aforesaid solvent tank is characterized in that, above-mentioned solvent feed pipeline and solvent discharging pipeline are respectively equipped with solvent feed valve and solvent bleeder valve.
Aforesaid solvent tank is characterized in that, is placed with one or more of the silica gel, aluminium oxide and the molecular sieve that are used for absorbing airborne moisture in the above-mentioned moisture absorption jar.
Aforesaid solvent tank is characterized in that, above-mentioned condenser is connected with the condensing solvent escape route.
Aforesaid solvent tank is characterized in that, above-mentioned condensing solvent escape route is provided with discharge-service valve.
Usefulness of the present invention is: solvent tank of the present invention is set up one group of moisture absorption jar to absorb airborne moisture at admission line, prevents that solvent from making its quality be affected because of moisture absorption; Simultaneously; Set up one group of condenser and activated carbon adsorption unit at bleeder line, the organic solvent that volatilizees is reclaimed through condenser earlier, pass through active carbon adsorption again; After the gas exhaust duct discharging; Effectively reduced pollution, and the solvent to condensation carries out recycling below condenser, has increased economic benefit to air.
In order more clearly to be familiar with the usefulness of solvent tank of the present invention, we are that example is estimated with 20 ℃, the annual input and output material 1200m3 of butanone, and the gas concentration of butanone in the time of 20 ℃ is 304.7g/m3.So, if use existing solvent tank as shown in Figure 1, the quality of the annual organic solvent butanone that in air, gives off is: 1200m3*304.7g/m3=365.6kg.Use solvent tank of the present invention shown in Figure 2; Estimate the recyclable organic solvent about 65% of condenser; Activated carbon is adsorbable about 15%, and therefore, estimating the callable butanone quality of condenser is 365.6kg*65%=237.6kg; It is 365.6*15%=54.8kg that active carbon adsorption can be removed the butanone quality, and the quality that can reduce discharging butanone in air altogether is 292.4kg.Simultaneously, the market price of butanone is 10 yuan/kg, but then the about 237.6kg*10 of butanone cost saving unit/kg=2376 of condenser recovery is first.This shows that economic benefit and social benefit are all very remarkable.And the effect of moisture absorption jar can not be despised more, and is because it can prevent the solvent moisture absorption in the storage tank, very big for the influence of end product quality.
Description of drawings
Fig. 1 is the structural representation of existing solvent tank;
Fig. 2 is the structural representation of a preferred embodiment of solvent tank of the present invention.
The implication of Reference numeral among the figure: 1, body, 2, the solvent feed pipeline, 3, solvent discharging pipeline, 4, the solvent feed valve; 5, solvent bleeder valve, 6, admission line, 7, bleeder line, 8, the air inlet pipe filter; 9, admission line check valve, 10, the bleeder line check valve, 11, the moisture absorption jar, 12, condenser; 13, activated carbon adsorption unit, 14, discharge-service valve, 15, the condensing agent escape route.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done concrete introduction.
Referring to shown in Figure 2, solvent tank of the present invention comprises body 1, and body 1 is connected with: the solvent feed pipeline 2 and solvent discharging pipeline 3 that are respectively applied for charging and discharging.In order to improve the convenience of operation, be respectively equipped with solvent feed valve 4 and solvent bleeder valve 5 at solvent feed pipeline 2 and solvent discharging pipeline 3.
As a kind of preferred, solvent feed pipeline 2 is connected with the top of body 1, and solvent discharging pipeline 3 is connected with the bottom of body 1.
We know that when charging in the body 1 of solvent tank, solvent gets into body 1 by solvent feed pipeline 2, and this moment, body 1 interior gas needed to discharge; And when discharging, solvent is discharged through solvent discharging pipeline 3, need in body 1, replenish air this moment to eliminate the negative pressure of body 1, prevents the storage tank distortion.For the air pressure in the flexible body 1, solvent tank also is provided with the admission line 6 and bleeder line 7 that is respectively applied for air inlet and exhaust; Admission line 6 is provided with air inlet pipe filter 8 and moisture absorption jar 11 by airintake direction, and bleeder line 7 is provided with condenser 12 and activated carbon adsorption unit 13 by discharge directions.Simultaneously, on admission line 6 and bleeder line 7, also be respectively equipped with admission line check valve 9 and bleeder line check valve 10.
So, when solvent was discharged body 1 by solvent discharging pipeline 3, air at first carried out purifying treatment through air inlet pipe filter 8; Through moisture absorption jar 11 airborne moisture is removed then, guaranteed to get into moisture-free in the air of body 1, prevent the solvent moisture absorption; Guarantee solvent quality, and then promote product design that the air of removing behind the moisture gets into bodies 1 through admission line check valve 9 again; To eliminate the negative pressure in the body 1, prevent body 1 distortion.
As a kind of preferred, be placed with one or more of the silica gel, aluminium oxide and the molecular sieve that are used for absorbing airborne moisture in the moisture absorption jar 11.
When input solvent in body 1; When solvent got in the body 1 by solvent feed pipeline 2, the gas in the body 1 was discharged through bleeder line check valve 10 by bleeder line 7, can't directly be discharged in the air; But, the partial solvent condensation in the gas is got off earlier through condenser 12.Gas absorbs through activated carbon adsorption unit 13 more then, and the amount that finally is discharged into solvent in the airborne gas has effectively been reduced.
As a kind of preferred, condenser 12 has also connected the condensing agent escape route 15 that is provided with discharge-service valve 14, can realize like this collecting recovery through the solvent of condenser 12 condensations, can increase economic benefit.
More than show and described groundwork of the present invention, principal character and advantage.The technical personnel of the industry should be understood, and the foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in protection scope of the present invention.
Claims (7)
1. solvent tank comprises body, it is characterized in that, above-mentioned body is connected with: the solvent feed pipeline and solvent discharging pipeline, the admission line that is respectively applied for air inlet and exhaust and the bleeder line that are respectively applied for charging and discharging; Above-mentioned admission line is provided with air inlet pipe filter and moisture absorption jar by airintake direction, and above-mentioned bleeder line is provided with condenser and activated carbon adsorption unit by discharge directions.
2. solvent tank according to claim 1 is characterized in that, is respectively equipped with admission line check valve and bleeder line check valve on above-mentioned admission line and the bleeder line.
3. solvent tank according to claim 1 is characterized in that, above-mentioned solvent feed pipeline is connected with the top of body, and above-mentioned solvent discharging pipeline is connected with the bottom of body.
4. solvent tank according to claim 3 is characterized in that, above-mentioned solvent feed pipeline and solvent discharging pipeline are respectively equipped with solvent feed valve and solvent bleeder valve.
5. solvent tank according to claim 1 is characterized in that, is placed with one or more of the silica gel, aluminium oxide and the molecular sieve that are used for absorbing airborne moisture in the above-mentioned moisture absorption jar.
6. according to each described solvent tank of claim 1-5, it is characterized in that above-mentioned condenser is connected with the condensing solvent escape route.
7. solvent tank according to claim 6 is characterized in that, above-mentioned condensing solvent escape route is provided with discharge-service valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101476406A CN102649499A (en) | 2012-05-14 | 2012-05-14 | Solvent storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101476406A CN102649499A (en) | 2012-05-14 | 2012-05-14 | Solvent storage tank |
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| CN102649499A true CN102649499A (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101476406A Pending CN102649499A (en) | 2012-05-14 | 2012-05-14 | Solvent storage tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999723A (en) * | 2019-04-18 | 2019-07-12 | 中国科学院山西煤炭化学研究所 | Acrylonitrile raw material feed system |
| CN115593813A (en) * | 2022-09-28 | 2023-01-13 | 安徽华尔泰化工股份有限公司（Cn） | Anti-shriveling safety control device for dangerous chemical storage tank |
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2012
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| CN2552865Y (en) * | 2002-07-19 | 2003-05-28 | 赵国樑 | Apparatus for preventing air pollution from chemical storage pot and explosion |
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| JP2009083881A (en) * | 2007-09-28 | 2009-04-23 | Fujifilm Corp | Solution storage/transfer tank and film manufacture line |
| CN101376069A (en) * | 2008-09-24 | 2009-03-04 | 山东金正大生态工程股份有限公司 | Process and device for recovering solvent-containing tail gas in production of control sustained-release fertilizer with envelope |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999723A (en) * | 2019-04-18 | 2019-07-12 | 中国科学院山西煤炭化学研究所 | Acrylonitrile raw material feed system |
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| CN115593813A (en) * | 2022-09-28 | 2023-01-13 | 安徽华尔泰化工股份有限公司（Cn） | Anti-shriveling safety control device for dangerous chemical storage tank |
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Application publication date: 20120829 |