CN210993110U

CN210993110U - 1, 2-benzisothiazole-3-ketone adsorption impurity removal device

Info

Publication number: CN210993110U
Application number: CN201921956316.2U
Authority: CN
Inventors: 戴明本
Original assignee: Shouguang Syntech Fine Chemical Co ltd
Current assignee: Shouguang Syntech Fine Chemical Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-14
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a 1, 2-benzisothiazole-3-ketone adsorbs edulcoration device belongs to 1, 2-benzisothiazole-3-ketone production technical field, dissolve the cauldron including alkali, the alkali dissolves the cauldron bottom and has connected gradually activated carbon filter, titanium stick filter, otter board formula seal filter and neutralization kettle through pipeline, the alkali dissolves the cauldron top and is equipped with activated carbon and adds device, BIT crude input pipeline, liquid alkali input pipeline and water input pipeline, the alkali dissolve the cauldron with be equipped with the delivery pump on the pipeline between the activated carbon filter, the otter board formula seal filter with be equipped with the delivery pump on the pipeline between the neutralization kettle, the neutralization kettle top is equipped with the acidizing fluid input pipeline. In the alkali dissolving kettle, adding a BIT crude product, water, liquid alkali and active carbon, adsorbing and removing impurities under the action of the active carbon, and then filtering the feed liquid to remove the active carbon, so that the filtering effect is good, and the purity and the quality of the product BIT are improved.

Description

1, 2-benzisothiazole-3-ketone adsorption impurity removal device

Technical Field

The utility model relates to a 1, 2-benzisothiazole-3-ketone production technical field, concretely relates to 1, 2-benzisothiazole-3-ketone adsorbs edulcoration device.

Background

1, 2-benzisothiazolin-3-one (BIT) has obvious antifungal and antifungal effects, and is widely applied to the fields of water treatment, metal working fluid, coating and the like. In the production process of BIT, a series of reactions are carried out, and the obtained product is washed by water and centrifuged to obtain a BIT crude product. The crude BIT product is often poor in color and luster and low in purity due to impurities, so that the use of the BIT product is influenced. Therefore, impurities need to be removed to improve the purity and quality of the product BIT. The activated carbon is often used as an adsorbent to remove insoluble impurities and remove color, and can be used for removing impurities of a BIT crude product.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a 1, 2-benzisothiazole-3-ketone adsorbs edulcoration device, dissolves the cauldron in alkali, adds BIT crude, water, liquid alkali, active carbon, adsorbs the edulcoration through the effect of active carbon, then filters the feed liquid and detach the active carbon, and the filter effect is good, has improved product BIT's purity and quality.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a 1, 2-benzisothiazole-3-ketone adsorbs edulcoration device, includes that alkali dissolves the cauldron, alkali dissolves cauldron bottom and has connected gradually active carbon filter, titanium stick filter, otter board formula seal filter and neutralization kettle through pipeline, alkali dissolves cauldron top and is equipped with active carbon and adds device, BIT crude input pipeline, liquid alkali input pipeline and water input pipeline, alkali dissolve the cauldron with be equipped with the delivery pump on the pipeline between the active carbon filter, otter board formula seal filter with be equipped with the delivery pump on the pipeline between the neutralization kettle, neutralization kettle top is equipped with acidizing fluid input pipeline.

Preferably, the BIT crude product input pipeline, the liquid caustic soda input pipeline and the water input pipeline are respectively provided with a flowmeter.

Preferably, the outer wall of the alkali dissolution kettle body is provided with a heating sleeve.

Preferably, the activated carbon adding device comprises a conical bin, a feed inlet is formed in the upper end of the conical bin, and a vibrator is arranged on the side wall of the conical bin.

Preferably, a stirring shaft is arranged in the alkali dissolving kettle and is driven by a motor at the top of the alkali dissolving kettle.

The utility model has the advantages of that: adding a BIT crude product, water and liquid alkali into an alkali dissolving kettle, fully dissolving the BIT crude product, adding activated carbon, adsorbing and removing impurities under the action of the activated carbon, filtering the feed liquid to remove the activated carbon, feeding the filtered feed liquid into a neutralizing kettle, dropwise adding acid liquid into the neutralizing kettle, and performing a neutralizing reaction with the alkali liquid; the active carbon filter, the titanium rod filter and the screen plate type closed filter are sequentially adopted to filter the active carbon in the feed liquid, the filtering effect is good, and the screen plate type closed filter is adopted, so that the filtering area is large; an activated carbon adding device is adopted, and a certain amount of activated carbon is added into a conical bin, so that the activated carbon can conveniently enter an alkali dissolving kettle, and meanwhile, a vibrator can ensure that all the activated carbon is added into the alkali dissolving kettle; the BIT crude product input pipeline, the liquid caustic soda input pipeline and the water input pipeline are respectively provided with a flowmeter, so that the adding amount of each component can be ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of a 1, 2-benzisothiazol-3-one adsorption and impurity removal device of the present invention.

In the figure: 1-alkali dissolving kettle, 2-conveying pipeline, 3-activated carbon filter, 4-titanium rod filter, 5-mesh plate type sealed filter, 6-neutralization kettle, 7-BIT crude product input pipeline, 8-liquid alkali input pipeline, 9-water input pipeline, 10-conveying pump, 11-acid liquid input pipeline, 12-flowmeter, 13-heating jacket, 14-conical bin, 15-feeding hole, 16-vibrator and 17-stirring shaft.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a 1, 2-benzisothiazole-3-ketone adsorbs edulcoration device, including alkali dissolving kettle 1, alkali dissolving kettle 1 bottom has connected gradually active carbon filter 3, titanium stick filter 4, otter board formula seal filter 5 and neutralization kettle 6 through pipeline 2, alkali dissolving kettle 1 top is equipped with active carbon and adds device, BIT crude input pipeline 7, liquid alkali input pipeline 8 and water input pipeline 9, alkali dissolving kettle 1 with be equipped with delivery pump 10 on the pipeline 2 between the active carbon filter 3, otter board formula seal filter 5 with be equipped with delivery pump 10 on the pipeline 2 between the neutralization kettle 6, neutralization kettle 6 top is equipped with acidizing fluid input pipeline 11.

And flow meters 12 are arranged on the BIT crude product input pipeline 7, the liquid caustic soda input pipeline 8 and the water input pipeline 9. And a heating sleeve 13 is arranged on the outer wall of the alkaline dissolving kettle 1. The active carbon adding device comprises a conical bin 14, a feeding hole 15 is formed in the upper end of the conical bin 14, and a vibrator 16 is arranged on the side wall of the conical bin 14. A stirring shaft 17 is arranged in the alkali dissolving kettle 1, and the stirring shaft 17 is driven by a motor at the top of the alkali dissolving kettle 1.

Adding a BIT crude product and water into an alkali dissolving kettle 1, introducing steam into a heating sleeve 13, heating the steam to introduce the steam into the heating sleeve 13, heating to 75 ℃, adding liquid alkali to completely dissolve the BIT crude product, adding activated carbon into the alkali dissolving kettle 1 by using an activated carbon adding device, adding a certain amount of activated carbon into a conical bin 14 to facilitate the activated carbon to enter the alkali dissolving kettle 1, simultaneously ensuring that the activated carbon is completely put into the alkali dissolving kettle 1 by using a vibrator 16, performing adsorption impurity removal under the action of the activated carbon, after the impurity removal is finished, sequentially introducing feed liquid into an activated carbon filter 3, a titanium rod filter 4 and a screen plate type closed filter 5 through a delivery pump 10 and a delivery pipeline 2 to filter the activated carbon in the feed liquid, finally introducing the feed liquid into a neutralizing kettle 6, dropwise adding hydrochloric acid into the neutralizing kettle 6 to neutralize the feed liquid, adjusting the pH to be 3-4, and realizing the adsorption impurity removal of the BIT crude product.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a 1, 2-benzisothiazole-3-ketone adsorbs edulcoration device, a serial communication port, including alkali dissolving kettle, alkali dissolving kettle bottom has connected gradually active carbon filter, titanium stick filter, otter board formula seal filter and neutralization kettle through pipeline, alkali dissolving kettle top is equipped with active carbon and adds device, BIT crude input pipeline, liquid alkali input pipeline and water input pipeline, alkali dissolving kettle with be equipped with the delivery pump on the delivery pipeline between the active carbon filter, otter board formula seal filter with be equipped with the delivery pump on the delivery pipeline between the neutralization kettle, neutralization kettle top is equipped with acidizing fluid input pipeline.

2. The 1, 2-benzisothiazol-3-one adsorption impurity removal device according to claim 1, characterized in that the BIT crude product input pipeline, the liquid caustic soda input pipeline and the water input pipeline are respectively provided with a flow meter.

3. The 1, 2-benzisothiazol-3-ketone adsorption impurity removal device according to claim 1, characterized in that a heating jacket is arranged on the outer wall of the alkali dissolving kettle body.

4. The 1, 2-benzisothiazol-3-one adsorption impurity removal device according to claim 1, characterized in that the activated carbon adding device comprises a conical bin, a feeding hole is formed in the upper end of the conical bin, and a vibrator is arranged on the side wall of the conical bin.

5. The 1, 2-benzisothiazol-3-ketone adsorption impurity removing device according to claim 1, characterized in that a stirring shaft is arranged in the alkali dissolving kettle and is driven by a motor at the top of the alkali dissolving kettle.