CN203508025U - Spraying-absorbing tower type carbonization reaction device capable of satisfying alkaline balance in indigo blue production - Google Patents

Spraying-absorbing tower type carbonization reaction device capable of satisfying alkaline balance in indigo blue production Download PDF

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Publication number
CN203508025U
CN203508025U CN201320675444.6U CN201320675444U CN203508025U CN 203508025 U CN203508025 U CN 203508025U CN 201320675444 U CN201320675444 U CN 201320675444U CN 203508025 U CN203508025 U CN 203508025U
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China
Prior art keywords
tower
spray
cylindrical shell
tube
absorption
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Expired - Lifetime
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CN201320675444.6U
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Chinese (zh)
Inventor
毛永生
李留德
吴德生
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Inner Mongolia Taixing Taifeng Chemical Co ltd
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TAIFENG CHEMICAL CO Ltd JIANGSU
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Abstract

The utility model relates to a spraying-absorbing tower type carbonization reaction device capable of satisfying the alkaline balance in the indigo blue production. The spraying-absorbing tower type carbonization reaction device comprises a tower barrel body, an upper seal head, a spraying head, a tapered seal head and a bottom-inserted discharging tube, wherein the spraying head is arranged in the upper seal head; a gas inlet higher than the spraying head is formed in the upper seal head; the upper seal head is encapsulated at the top end of the tower barrel body; the tapered seal head is encapsulated at the bottom end of the tower barrel body; a lower tube port of the bottom-inserted discharging tube is opposite to the tapered lower part of the tapered seal head; an upper tube port of the bottom-inserted discharging tube penetrates out of the side wall, higher than the inverted tapered upper part of the tapered seal head, of the tower barrel body from the inside of the tower barrel body; the spraying-absorbing tower type carbonization reaction device further comprises a circulating suction tube, a circulating tube, a circulating pump and a liquid inlet tube, wherein the circulating suction tube is connected in the tower barrel body communicated with the tower barrel body higher than an upper tube port of the bottom-inserted discharging tube in a penetrating manner; the circulating suction tube and the liquid inlet tube are connected with the circulating pump; the circulating pump is communicated with a spraying head by the circulating tube. The tower barrel body of an empty tower structure is adopted to spray mixed alkaline liquor for atomizing to react with CO2, so that the regulation of the potassium-sodium ratio in an alkaline system and the recycling of Na2CO3 crystals are realized.

Description

The tower carburizing reagent device of the spray-absorption of soda balance in a kind of indigo production
Technical field
The utility model relates to the tower reaction unit of a kind of spray-absorption, is the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production specifically.
Background technology
At present indigo industrial synthetic process is: anilinoacetic acid potassium/sodium salt and Sodamide in the mixed base of KOH and NaOH is done the system of solvent, alkali fusion occur and react, generation indoxyl potassium/sodium, ammonia and NaOH.After alkali fusion thing dilute with water, blowing air oxidation obtains indigoly after press filtration, and the mother liquor after press filtration is for containing the KOH of alkali 12% and the mixed ammonium/alkali solutions of NaOH.
When alkali fusion reacts, the mixed base K:Na=1:1 of KOH and NaOH, due to when reacting, the sodium in Sodamide is converted into NaOH, and making the potassium sodium ratio in mother liquor is 0.6:1, and NaOH is excessive, after dehydration is reclaimed, does not reach the requirement of making alkali fusion solvent.Existing method is: in mixed alkali, add potassium hydroxide and regulate potassium sodium ratio, it is more than needed that this has just caused mixed base to have, and an alkali part more than needed is carbonized when subsequent oxidation workshop section, becomes sodium carbonate alkaline residue, as solid waste; An alkali part more than needed runs off with indigo wash water, and the diluted alkaline in wash water neutralizes through sulfuric acid, becomes salt, finally becomes waste water, contaminated environment not only, and cause the loss of potassium, wasted potassium resource.
Summary of the invention
In order to solve the deficiency in existing, it is a kind of simple in structure, easy to use that the utility model provides, and can effectively regulate mixed alkali potassium sodium ratio, meets the tower carburizing reagent device of spray-absorption of soda balance in indigo production.
The technical solution adopted in the utility model is: the tower carburizing reagent device of the spray-absorption of soda balance in a kind of indigo production, comprise tower cylindrical shell, upper cover, spray head, cone end socket and discharge nozzle of the slotting end, spray head is arranged in upper cover, upper cover is provided with the air inlet higher than spray head, upper cover is packaged in tower cylinder top, cone end socket is inverted cone shape and is packaged in tower cylindrical shell bottom, insert the corresponding cone of end discharge nozzle lower nozzle end socket back taper bottom, insert end discharge nozzle upper orifice by the tower cylinder lateral wall passing in tower cylindrical shell higher than cone end socket back taper top, its technical characterstic is also to comprise circulation suction line, circulation pipe, circulating pump and feed tube, circulation suction line is connected to exceed on the tower cylindrical shell of inserting end discharge nozzle upper orifice and is communicated with in tower cylindrical shell, circulation suction line is all connected circulating pump with feed tube, circulating pump is communicated with spray head through circulation pipe.
Further, in described tower cylindrical shell, be provided with the inner cone higher than circulation suction line, inner cone is inverted cone shape and bottom end opening.
Further, in described tower cylindrical shell, be provided with agitator.
Further, described agitator is propeller agitator, and propeller agitator is vertically installed on tower cylinder lateral wall.
Further, in described tower cylindrical shell or upper cover, be provided with the cleaning coil pipe that is communicated with outside running water, clean coil pipe and arrange along tower cylindrical shell or upper cover cross section, clean coil pipe outside and be provided with clean-out opening.
Further, described spray head is a plurality of nozzle same level distribution equalizing structures.
Further, described spray head sprays 120 ° symmetrical centered by angle downwards.
Further, described tower cylinder lateral wall is provided with manhole.
Again further, described cone end socket bottom is provided with discharging hole, and the cone end socket bottom conical surface is provided with inspection socket.
When this device is used, by playing circulation containing the mixed alkali liquor of KOH and NaOH46%-48% by feed tube, circulating pump, at CO with pressure 2in airtight tower cylindrical shell, through spray head atomizing spray, absorb CO 2, there is chemical reaction, produce carbonate, due to Na 2cO 3solubility much smaller than K 2cO 3solubility, add in mixed alkali containing a large amount of sodium ions Na in mixed alkali 2cO 3supersaturation, makes crystallization separate out by inserting end discharge nozzle, and potassium sodium is played circulation by circulation suction line by circulating pump again than the mixed alkali improving, and comes back in tower cylindrical shell and further improves and regulate potassium sodium ratio, has finally reached the potassium sodium ratio that regulates mixed alkali.
Adopt technique scheme, the beneficial effects of the utility model are:
1, a plurality of nozzles of spray head are at same level plane spray, and each nozzle does not interfere with each other mutually, can effectively avoid the drop of the nozzle upper strata ejection of arranging up and down to drop on the nozzle of lower floor and form the obstruction that crystallization causes; The alkali lye of circulation forms the tiny droplet cone of 60 ° through spray head atomization, droplet is subject to the effect of air resistance, diffuse to be only subject to gravity do the movement of falling object as the used time, droplet does not arrive tower wall, non-alkali liquor on tower wall, can effectively avoid forming the sticky wall of carbonate crystallization on tower wall, without stifled tower, tower wall crystal deposition phenomenon.
2, the fine mist being sprayed by spray head is dispersed in continuous CO 2in, absorb CO 2, droplet is not dropped down onto on liquid level by any stopping, and equipment resistance is little, and energy consumption is low, coordinates laterally disposed propeller agitator to carry out liquid agitation, further improves reaction efficiency.
3, clean coil pipe and be communicated with on outside running water pipe, by clean-out opening, clean tower wall, it is convenient to clean.In tower cylindrical shell, establish interior centrum, Na 2cO 3tower cylindrical shell center is sunk, gathered to crystallization along interior centrum cone wall, and final settlement, to cone end socket bottom, extrudes by inserting end discharge nozzle, is conducive to quick clean crystalline substance, sedimentation and separates out.
The utility model adopts the spray mixed alkali liquor atomization of tower cylindrical shell and the CO of void tower structure 2reaction, coordinates side direction to advance stirring reaction and the sedimentation of multistage back taper structure crystallization sodium ion, realizes adjusting and the Na of potassium sodium ratio in alkali system 2cO 3the recovery of crystal, it is simple in structure, easy to use, and without waste water, solid waste discharge, resource utilization is high.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: tower cylindrical shell 1, upper cover 2, cone end socket 3, spray head 4, nozzle 5, air inlet 6, clean coil pipe 7, propeller agitator 8, manhole 9, inner cone 10, discharging hole 11, inspection socket 12, insert end discharge nozzle 13, circulation suction line 14, circulation pipe 15, circulating pump 16, feed tube 17.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Shown in Fig. 1, in a kind of indigo production, the tower carburizing reagent device of the spray-absorption of soda balance comprises tower cylindrical shell 1, upper cover 2, cone end socket 3, spray head 4, nozzle 5, air inlet 6, cleans coil pipe 7, propeller agitator 8, manhole 9, inner cone 10, discharging hole 11, inspection socket 12, discharge nozzle of the slotting end 13, circulation suction line 14, circulation pipe 15, circulating pump 16 and feed tube 17.Spray head 4 is arranged in upper cover 2, and spray head 4 is a plurality of nozzle 5 same level distribution equalizing structures, centered by spray angle symmetrical 120 ° downwards of spray heads 4;
Upper cover 2 is provided with the air inlet 6 higher than spray head 4, upper cover 2 is packaged in tower cylindrical shell 1 top, cone end socket 3 is inverted cone shape and is packaged in tower cylindrical shell 1 bottom, cone end socket 3 bottoms are provided with discharging hole 11, the cone end socket bottom conical surface is provided with inspection socket 12, insert the corresponding cone of end discharge nozzle 13 lower nozzles end socket 3 back taper bottoms, insert end discharge nozzle 13 upper orifices by the tower cylinder lateral wall passing in tower cylindrical shell 1 higher than cone end socket 3 back taper tops, circulation suction line 14 is connected to exceed on the tower cylindrical shell 1 of inserting end discharge nozzle 13 upper orifices and is communicated with in tower cylindrical shell, circulation suction line 14 is through circulating pump 16, circulation pipe 15 is communicated with spray head 4, on circulating pump 16, be connected with feed tube 17, inner cone 10 is established to tower cylindrical shell 1 higher than circulation suction line 14, and inner cone 10 is inverted cone shape and bottom end opening, in tower cylindrical shell 1, be provided with the propeller agitator 8 higher than inner cone 10, propeller agitator 8 is vertically installed on tower cylindrical shell 1 sidewall, in tower cylindrical shell 1 or upper cover 2, be provided with the cleaning coil pipe 7 that is communicated with outside running water, clean coil pipe 7 and arrange along tower cylindrical shell or upper cover cross section, clean coil pipe outside and be provided with clean-out opening, tower cylindrical shell 1 sidewall is provided with manhole 9.

Claims (9)

1. the tower carburizing reagent device of spray-absorption of soda balance in an indigo production, comprise tower cylindrical shell, upper cover, spray head, cone end socket and discharge nozzle of the slotting end, spray head is arranged in upper cover, upper cover is provided with the air inlet higher than spray head, upper cover is packaged in tower cylinder top, cone end socket is inverted cone shape and is packaged in tower cylindrical shell bottom, insert the corresponding cone of end discharge nozzle lower nozzle end socket back taper bottom, insert end discharge nozzle upper orifice by the tower cylinder lateral wall passing in tower cylindrical shell higher than cone end socket back taper top, it is characterized in that: also comprise circulation suction line, circulation pipe, circulating pump and feed tube, circulation suction line is connected to exceed on the tower cylindrical shell of inserting end discharge nozzle upper orifice and is communicated with in tower cylindrical shell, circulation suction line is all connected circulating pump with feed tube, circulating pump is communicated with spray head through circulation pipe.
2. the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production according to claim 1, is characterized in that: in described tower cylindrical shell, be provided with the inner cone higher than circulation suction line, inner cone is inverted cone shape and bottom end opening.
3. the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production according to claim 1 and 2, is characterized in that: in described tower cylindrical shell, be provided with agitator.
4. the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production according to claim 3, is characterized in that: described agitator is propeller agitator, and propeller agitator is vertically installed on tower cylinder lateral wall.
5. the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production according to claim 1 and 2, it is characterized in that: in described tower cylindrical shell or upper cover, be provided with the cleaning coil pipe that is communicated with outside running water, clean coil pipe and arrange along tower cylindrical shell or upper cover cross section, clean coil pipe outside and be provided with clean-out opening.
6. the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production according to claim 1, is characterized in that: described spray head is a plurality of nozzle same level distribution equalizing structures.
7. according to the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production described in claim 1 or 6, it is characterized in that: described spray head sprays 120 ° symmetrical centered by angle downwards.
8. the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production according to claim 1, is characterized in that: described tower cylinder lateral wall is provided with manhole.
9. the tower carburizing reagent device of spray-absorption of soda balance in a kind of indigo production according to claim 1, is characterized in that: described cone end socket bottom is provided with discharging hole, and the cone end socket bottom conical surface is provided with inspection socket.
CN201320675444.6U 2013-10-30 2013-10-30 Spraying-absorbing tower type carbonization reaction device capable of satisfying alkaline balance in indigo blue production Expired - Lifetime CN203508025U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103551099A (en) * 2013-10-30 2014-02-05 江苏泰丰化工有限公司 Spray absorber type carbonization reaction device for alkali balance in indigo production
CN104177861A (en) * 2013-11-06 2014-12-03 江苏泰丰化工有限公司 Sodium-potassium ratio adjusting device of device for recovering mixed alkali from indigo products

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103551099A (en) * 2013-10-30 2014-02-05 江苏泰丰化工有限公司 Spray absorber type carbonization reaction device for alkali balance in indigo production
CN104177861A (en) * 2013-11-06 2014-12-03 江苏泰丰化工有限公司 Sodium-potassium ratio adjusting device of device for recovering mixed alkali from indigo products

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Owner name: INNER TAIXING TAIFENG CHEMICAL CO., LTD.

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Effective date: 20140610

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Address after: 750336 the Inner Mongolia Autonomous Region Alashan WUSITAI Economic Development Zone

Patentee after: INNER MONGOLIA TAIXING TAIFENG CHEMICAL CO.,LTD.

Address before: Eight Wei Hongqiao town of Taixing city of Jiangsu Province, Taizhou city in 225400 group Limited by Share Ltd factory

Patentee before: JIANGSU TAIFENG CHEMICAL CO.,LTD.

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CX01 Expiry of patent term

Granted publication date: 20140402