CN101670229B - Pumping and filtering device - Google Patents
Pumping and filtering device Download PDFInfo
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- CN101670229B CN101670229B CN2009101530324A CN200910153032A CN101670229B CN 101670229 B CN101670229 B CN 101670229B CN 2009101530324 A CN2009101530324 A CN 2009101530324A CN 200910153032 A CN200910153032 A CN 200910153032A CN 101670229 B CN101670229 B CN 101670229B
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Abstract
The invention relates to a pumping and filtering device comprising a depolymerization kettle, a pumping and filtering tank, a hydrochloric acid reclaiming tank, and a gas washing device, wherein the gas washing device comprises a washing box and a vacuum jet pump; the washing box is provided with a washing gas inlet, a washing gas outlet and a washing liquid outlet; the washing box is further internally provided with a liquid washing spray nozzle; the vacuum jet pump is provided with a jetting liquid inlet, an air suction hole and a jetting liquid outlet; the washing liquid outlet of the washing box is communicated with the jetting liquid inlet of the vacuum jet pump; the washing gas outlet of the washing box is communicated with the gas suction hole of the vacuum jet pump; and the jetting liquid outlet of the vacuum jet pump is communicated with the washing liquid spray nozzle. Compared with the prior art, the pumping and filtering device can completely absorb HCl gas generated during the pumping and filtering process for separating crude products of sorbic acid from hydrochloric acid, thus avoiding the pollution of HCl acid mist to the environment, and simultaneously further realizing reclaiming and reuse of hydrochloric acid.
Description
Technical field
The present invention relates to filter, relate in particular to a kind of pumping and filtering device.
Background technology
Along with the raising of people's living standard, to the also raising thereupon of requirement of food quality and food security.Wherein, food preservative is an importance that concerns food quality and food security.Sorbic acid or potassium sorbate be the activity of mould fungus inhibition, saccharomycete and oxygen consumption bacterium effectively, can also prevent harmful microbe growth and breedings such as clostridium botulinum, staphylococcus and salmonella, but to beneficial microbe nearly unavailables such as anaerobic gemma bacterium and lactobacillus acidophilus.And its effect that suppresses development of microorganisms is stronger than bactericidal action, thereby can prolong the holding time of food effectively and keep original local flavor.Its antiseptic effect is 5 to 10 times of Sodium Benzoate.Sorbic acid or potassium sorbate have been widely used among food, beverage, tobacco, medicine, cosmetics, feed and the agricultural product at present.
Existing sorbic acid production technology is earlier to make the sorbic acid polyester with ketenes and crotonaldehyde condensation, obtains the thick product of sorbic acid with hydrochloric acid hydrolysis sorbic acid polyester then, at last the thick product of sorbic acid is purified and decolours, and obtains the sorbic acid finished product.
In the manufacturing process of above-mentioned sorbic acid, after hydrochloric acid hydrolysis sorbic acid polyester obtains the thick product of sorbic acid, the thick product of sorbic acid need be separated with hydrochloric acid.In the prior art, it is to adopt the method for negative pressure leaching that hydrochloric acid solution is detached that the thick product of sorbic acid is separated with hydrochloric acid.But under the environment of negative pressure, HCl separates out from hydrochloric acid solution easily and forms the HCl acid mist.This environmental pollution is bigger.
Summary of the invention
Technical problem to be solved by this invention is: when how to reduce the thick product of sorbic acid and separating with hydrochloric acid to the pollution of environment.
For addressing the above problem, the invention provides a kind of pumping and filtering device, comprise depolymerization still and suction filtration groove, the outlet of described depolymerization still is communicated with the feed(raw material)inlet of described suction filtration groove, also comprises hydrochloric acid accumulator tank and gas cleaning unit; Described gas cleaning unit comprises washer box and vacuum jet pump; Described washer box is provided with washing gas inlet, washing gas outlet and wash liquid outlet, also is provided with the cleaning solution shower nozzle in the described washer box; Described vacuum jet pump is provided with atomizing of liquids inlet, air entry and atomizing of liquids outlet; The wash liquid outlet of described washer box is communicated with the atomizing of liquids inlet of described vacuum jet pump, the washing gas outlet of described washer box is communicated with the air entry of described vacuum jet pump, and the atomizing of liquids outlet of described vacuum jet pump is communicated with described cleaning solution shower nozzle; Described hydrochloric acid accumulator tank is provided with liquid inlet and gas vent, and the outlet of described suction filtration groove is communicated with the liquid inlet of described hydrochloric acid accumulator tank, and the gas vent of described hydrochloric acid accumulator tank is communicated with the washing gas of described washer box inlet.
Alternatively, described suction filtration groove also is provided with the filter washing water inlet.
Alternatively, also comprise the cleaning fluid accumulator tank, described cleaning fluid accumulator tank is provided with liquid inlet and gas vent, and the outlet of described suction filtration groove is communicated with the liquid inlet of described cleaning fluid accumulator tank, and the gas vent of described cleaning fluid accumulator tank is communicated with the washing gas of described washer box inlet.
Connect with triple valve between the liquid inlet of the outlet of described suction filtration groove alternatively,, described cleaning fluid accumulator tank and the liquid inlet of described hydrochloric acid accumulator tank.
Alternatively, described hydrochloric acid accumulator tank also is provided with hydrochloric acid outlet, and described depolymerization still also is provided with the hydrochloric acid inlet, and the hydrochloric acid outlet of described hydrochloric acid accumulator tank is communicated with the hydrochloric acid inlet of described depolymerization still.
Alternatively, in the described washer box cleaning solution is housed, the liquid level of described cleaning solution is between the wash liquid outlet and washing gas outlet of described washer box.
Compared with prior art, the HCl gas that produces in the present invention can separate the thick product of sorbic acid with hydrochloric acid the suction filtration process absorbs fully, thereby has avoided the pollution of HCl acid mist to environment, has also realized the recycling of hydrochloric acid simultaneously.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention pumping and filtering device.
The specific embodiment
In specific embodiment of the invention part, provide a kind of pumping and filtering device 100.This pumping and filtering device 100 comprises depolymerization still 101, suction filtration groove 102, hydrochloric acid accumulator tank 104 and gas cleaning unit 110.
Wherein, depolymerization still 101 is provided with the outlet 113 of feed(raw material)inlet 111 and depolymerizing substance, and hydrochloric acid inlet 112 also can be set separately.Depolymerization still 101 is reactors that the sorbic acid polyester is hydrolyzed in hydrochloric acid, and the reaction back forms thick product of sorbic acid and callable hydrochloric acid.
Hydrochloric acid accumulator tank 104 is provided with hydrochloric acid inlet 116 and is used to provide the gas vent 117 of vacuum, in addition hydrochloric acid outlet 118 can also be set.
The connected mode of depolymerization still 101, suction filtration groove 102, hydrochloric acid accumulator tank 104 and gas cleaning unit 110 is: the outlet 113 of depolymerization still 101 is communicated with the feed(raw material)inlet 114 of suction filtration groove 102, the outlet 115 of suction filtration groove 102 is communicated with the hydrochloric acid of hydrochloric acid accumulator tank 104 inlet 116, and the gas vent 117 of hydrochloric acid accumulator tank 104 is communicated with the washing gas of washer box 106 inlet 122.In a preferred embodiment of the present invention, the hydrochloric acid outlet 118 of hydrochloric acid accumulator tank 104 is communicated with the hydrochloric acid of depolymerization still 101 inlet 112.
In one embodiment of the invention, pumping and filtering device 100 also comprises cleaning fluid accumulator tank 105.This cleaning fluid accumulator tank 105 is provided with liquid inlet 119 and is used to provide the gas vent 120 of vacuum, in addition liquid outlet 121 can also be set.Connect with triple valve (not mark) between the liquid inlet 116 of the outlet 115 of suction filtration groove 102, the liquid inlet 119 of cleaning fluid accumulator tank 105 and hydrochloric acid accumulator tank 104.The gas vent 120 of cleaning fluid accumulator tank 105, the gas vent 117 of hydrochloric acid accumulator tank 104 are communicated with by triple valve (not mark) with the washing gas inlet 122 of washer box 106.
The running of above-mentioned pumping and filtering device 100 is as follows.
The sorbic acid polyester carries out depolymerization in depolymerization still 101.In the mixture suction filtration groove 102 of thick product of depolymerization product sorbic acid and hydrochloric acid.Start vacuum jet pump 107, produce negative pressure in washer box 106, washer box 106 is passed to negative pressure in the suction filtration groove 102 by hydrochloric acid accumulator tank 104, by filter screen 103 hydrochloric acid is extracted out to enter in the hydrochloric acid accumulator tank 104 from sorbic acid polyester crude product.Owing to be to be in negative pressure state, section H Cl gas is separated out from hydrochloric acid and is flowed out from the gas vent 117 of hydrochloric acid accumulator tank 104, and enters in the washer box by the washing gas inlet 122 of washer box 106.HCl gas in the washer box enters in the vacuum jet pump 107 by the air entry 127 of washing gas outlet 124 and vacuum jet pump 107, mixes and be washed liquid with the cleaning solution of vacuum jet pump 107 injections to absorb, and has realized that the washing first time of HCl gas absorbs.The cleaning solution that vacuum jet pump 107 will absorb section H Cl gas is pressed in the cleaning solution shower nozzle 108 and ejection in washer box 106.Absorb from the cleaning solution of cleaning solution shower nozzle 108 ejections and the HCl gas in the washer box 106, realized that the washing second time of HCl gas absorbs.Therefore, the present invention can absorb the HCl gas of separating out in the hydrochloric acid effectively, avoids the generation of HCl acid mist pollution thing.
After finishing the suction filtration of hydrochloric acid, the hydrochloric acid inlet 112 of the hydrochloric acid accumulator tank 104 interior hydrochloric acid that store from hydrochloric acid outlet 118 and depolymerization still 101 can be entered in the depolymerization still 101, realize the repetition recycling of hydrochloric acid.
In addition, also can residual a spot of hydrochloric acid in the thick product of the sorbic acid in suction filtration groove 102, therefore can add cleaning fluids such as entry or alkaline aqueous solution from the filter washing water inlet 115 of suction filtration groove 102 cleans the thick product of sorbic acid.And then utilize vacuum jet pump 107 to produce in the aqueous solution suction cleaning fluid accumulator tank 105 after negative pressure will be cleaned, at last by liquid outlet 121 discharges.Therefore, the present invention can also realize the thick product of sorbic acid and separating of hydrochloric acid and carrying out continuously of the thick product cleaning of sorbic acid.
By the thick product of sorbic acid that conventional filtration obtains, content of hydrochloric acid (wt%) is 27% to 30%.And the thick product of sorbic acid that makes by the present invention, content of hydrochloric acid (wt%) only is 18% to 20%, and does not have the generation of HCl acid mist.
Though the present invention with preferred embodiment openly as above; but it is not to be used for limiting claim; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (6)
1. a pumping and filtering device comprises depolymerization still and suction filtration groove, and the outlet of described depolymerization still is communicated with the feed(raw material)inlet of described suction filtration groove, it is characterized in that: also comprise hydrochloric acid accumulator tank and gas cleaning unit; Described gas cleaning unit comprises washer box and vacuum jet pump; Described washer box is provided with washing gas inlet, washing gas outlet and wash liquid outlet, also is provided with the cleaning solution shower nozzle in the described washer box; Described vacuum jet pump is provided with atomizing of liquids inlet, air entry and atomizing of liquids outlet; The wash liquid outlet of described washer box is communicated with the atomizing of liquids inlet of described vacuum jet pump, the washing gas outlet of described washer box is communicated with the air entry of described vacuum jet pump, and the atomizing of liquids outlet of described vacuum jet pump is communicated with described cleaning solution shower nozzle; Described hydrochloric acid accumulator tank is provided with liquid inlet and gas vent, and the outlet of described suction filtration groove is communicated with the liquid inlet of described hydrochloric acid accumulator tank, and the gas vent of described hydrochloric acid accumulator tank is communicated with the washing gas of described washer box inlet.
2. pumping and filtering device as claimed in claim 1 is characterized in that: described suction filtration groove also is provided with the filter washing water inlet.
3. pumping and filtering device as claimed in claim 2, it is characterized in that: also comprise the cleaning fluid accumulator tank, described cleaning fluid accumulator tank is provided with liquid inlet and gas vent, the outlet of described suction filtration groove is communicated with the liquid inlet of described cleaning fluid accumulator tank, and the gas vent of described cleaning fluid accumulator tank is communicated with the washing gas of described washer box inlet.
4. pumping and filtering device as claimed in claim 3 is characterized in that: connect with triple valve between the liquid inlet of the outlet of described suction filtration groove, described cleaning fluid accumulator tank and the liquid inlet of described hydrochloric acid accumulator tank.
5. pumping and filtering device as claimed in claim 1 is characterized in that: described hydrochloric acid accumulator tank also is provided with hydrochloric acid outlet, and described depolymerization still also is provided with the hydrochloric acid inlet, and the hydrochloric acid outlet of described hydrochloric acid accumulator tank is communicated with the hydrochloric acid inlet of described depolymerization still.
6. pumping and filtering device as claimed in claim 1 is characterized in that: in the described washer box cleaning solution is housed, the liquid level of described cleaning solution is between the wash liquid outlet and washing gas outlet of described washer box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101530324A CN101670229B (en) | 2009-09-28 | 2009-09-28 | Pumping and filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101530324A CN101670229B (en) | 2009-09-28 | 2009-09-28 | Pumping and filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101670229A CN101670229A (en) | 2010-03-17 |
| CN101670229B true CN101670229B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101530324A Expired - Fee Related CN101670229B (en) | 2009-09-28 | 2009-09-28 | Pumping and filtering device |
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| CN (1) | CN101670229B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254103B (en) * | 2015-11-05 | 2017-09-19 | 广东工业大学 | A kind of classifying and reclaiming system and method for tin removal waste liquor |
| CN105920895A (en) * | 2016-07-03 | 2016-09-07 | 肖雄 | Graphene oxide suction filtration device |
| CN109954302A (en) * | 2017-12-23 | 2019-07-02 | 张旭 | It is circulating be filtered, washed, drying system and method |
| CN113075341B (en) * | 2021-03-23 | 2023-06-27 | 宁夏计量质量检验检测研究院 | Method and device for continuous liquid supply of liquid chromatograph |
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2009
- 2009-09-28 CN CN2009101530324A patent/CN101670229B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101670229A (en) | 2010-03-17 |
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Owner name: ZHEJIANG BOSSEN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHEJIANG BOSSEN INGREDIENTS CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 312369 1, No. five East Road, Shangyu Industrial Park, Hangzhou Bay, Zhejiang, Shangyu Patentee after: Zhejiang Prosun Technology Co., Ltd. Address before: 312369 1, No. five East Road, Shangyu Industrial Park, Hangzhou Bay, Zhejiang, Shangyu Patentee before: Zhejiang Bossen Ingredients Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20150928 |
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