CN104474734B - The device of alum crystallisation by cooling - Google Patents
The device of alum crystallisation by cooling Download PDFInfo
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- CN104474734B CN104474734B CN201410780996.2A CN201410780996A CN104474734B CN 104474734 B CN104474734 B CN 104474734B CN 201410780996 A CN201410780996 A CN 201410780996A CN 104474734 B CN104474734 B CN 104474734B
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- crystallizing pond
- pool wall
- alum
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Abstract
The invention discloses a kind of device of alum crystallisation by cooling, comprise crystallizing pond, cooling bay, crystal conveyer belt, described crystallizing pond is set side by side with multiple, described crystallizing pond is the rectangle steel reinforced concrete pool of open top, described crystallizing pond comprises pond body, dividing plate, chuck and mother liquor collecting pipe, dividing plate is arranged on pond body inner surface, chuck is arranged between pond body and dividing plate, the chuck top being positioned at the described crystallizing pond of one end in multiple described crystallizing pond connected successively is provided with cooling water inlet pipe, the chuck top being positioned at the crystallizing pond of the other end is provided with cooling water outlet pipe, the water inlet pipe of cooling water is communicated with the delivery port of cooling bay, the outlet pipe of cooling water is communicated with the water inlet of cooling bay, crystal conveyer belt is arranged on the top of crystallizing pond and parallel with horizontal pool wall, it is slow that the present invention can solve existing alum crystallisation speed, crystal mass is low, energy consumption is high, the technical problem that production efficiency is low.
Description
Technical field
The present invention relates to a kind of device of alum crystallisation by cooling, belong to chemical technology field.
Background technology
Alum generally comprises ammonia-alum (NH
4al (SO
4)
212H
2o), potassium alum (kAl (SO
4)
212H
2and soda alum (NaAl (SO O)
4)
212H
2o).The production method of ammonia-alum and potassium alum has a lot, and producer generally adopts bauxite ore method, namely first generates aluminum sulfate solution with sulfuric acid decomposition bauxite ore, add ammonium sulfate or potassium sulfate reaction again, through concentrated, crystallisation by cooling, separating, washing, get product, chemical equation is: Al
2o
3+ 3H
2sO
4→ Al
2(SO
4)
3+ 3H
2o
Al
2(SO
4)
3+(NH
4)
2SO
4+24H
2O→2NH
4Al(SO
4)
2·12H
2O
Or: Al
2(SO
4)
3+ K
2sO
4+ 24H
2o → 2KAl (SO
4)
212H
2o
Existing alum crystallisation by cooling process is in evaporation and concentration tank, form the thick liquid of alum; then deliver in cooling crystallization pond; naturally after cooling dries 2 ~ 4 days; obtain alum crystal and crystalline mother solution, more manually root out alum crystal, deliver to airing pond with trolley; because alum crystal usually can with impurity in various degree; also to use clean water alum crystal further, more naturally dry 1 ~ 2 day, obtain alum finished product.There is Railway Project at this: (1), from the thick liquid of alum of evaporation and concentration tank discharging, with the steam of high heat, and cooling crystallization pond is uncovered concrete sump, heat dissipation speed is slow, have impact on the speed of later crystallization; (2) manually root out alum crystal to transport with dump truck again, waste a large amount of human cost, and operating efficiency is very low.If above-mentioned 2 problems can not get solving, not only affect the quality of alum finished product, production efficiency also can be caused low, urgently to be resolved hurrily.
Summary of the invention
Technical problem to be solved by this invention is not enough for prior art, and provide a kind of device of alum crystallisation by cooling, the present invention can solve the technical problem that existing alum crystallisation speed is slow, crystal mass is low, energy consumption is high, production efficiency is low.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: the device of alum crystallisation by cooling, comprise crystallizing pond, cooling bay and crystal conveyer belt, described crystallizing pond is set side by side with multiple, described crystallizing pond is the rectangle steel reinforced concrete pool of open top, described crystallizing pond comprises pond body, dividing plate, chuck and mother liquor collecting pipe, described dividing plate is arranged on pond body inner surface, described chuck is arranged between pond body and dividing plate, the pool wall that described pond body to comprise at the bottom of pond and is connected with surrounding at the bottom of pond, described pool wall comprises the horizontal pool wall in two sides and the vertical pool wall in two sides, mother liquor collecting pipe is provided with at the bottom of described pond, external face, described pond is parallel to horizontal pool wall and is provided with irrigation canals and ditches, described mother liquor collecting pipe is connected with described irrigation canals and ditches, multiple described crystallizing pond is connected successively by vertical pool wall, the chuck top being positioned at the described crystallizing pond of one end in multiple described crystallizing pond connected successively is provided with cooling water inlet pipe, the chuck top being positioned at the described crystallizing pond of the other end is provided with cooling water outlet pipe, the water inlet pipe of described cooling water is communicated with the delivery port of described cooling bay, the outlet pipe of described cooling water is communicated with the water inlet of cooling bay, described crystal conveyer belt is arranged on the top of described crystallizing pond and parallel with horizontal pool wall.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described dividing plate (2) is for preventing the thick liquid of alum to the corrosion of pond body, and described dividing plate (2) is corrosion resistant plate or PVC board.
Further, the length of the vertical pool wall of described crystallizing pond (102) is greater than the length of horizontal pool wall.
Further, the temperature that the thick liquid of alum flows into described crystallizing pond (1) is >=95 DEG C, and the temperature of the thick liquid crystallization of described crystallizing pond (1) interior alum is normal temperature.
The invention has the beneficial effects as follows:
(1) the present invention has carried out technological improvement to traditional crystallizing pond pond body, and in pond, body inner surface has added chuck and dividing plate, and chuck passes into cooling water, the temperature of thick for alum liquid can be reduced rapidly, is conducive to improving crystallization rate, improves the quality of product; And dividing plate can prevent the thick liquid of alum to the corrosion of pond body.
(2) employing conveyer belt of the present invention transports alum crystal, significantly reduces the labour intensity of workman, improves production efficiency high.
(3) cooling water reusable edible of the present invention, both improve production efficiency, met again the requirement that national energy-saving reduces discharging.
(4) present invention process is simple, is applicable to the reducing energy consumption of existing alum manufacturing enterprise.
Accompanying drawing explanation
Fig. 1 is the structural representation of alum crystallisation by cooling system of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, crystallizing pond, 2, dividing plate, 3, chuck, 4, mother liquor collecting pipe, 5, irrigation canals and ditches, 6, cooling bay, 7, cooling water inlet pipe, 8, cooling water outlet pipe, 9, crystal conveyer belt, 102, vertical pool wall.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with concrete accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1:
The device of alum crystallisation by cooling, comprise crystallizing pond (1), cooling bay (6) and crystal conveyer belt (9), described crystallizing pond (1) is set side by side with multiple, the rectangle steel reinforced concrete pool that described crystallizing pond (1) is open top, described crystallizing pond (1) comprises pond body, dividing plate (2), chuck (3) and mother liquor collecting pipe (4), described dividing plate (2) is arranged on pond body inner surface, described chuck (3) is arranged between pond body and dividing plate (2), the pool wall that described pond body to comprise at the bottom of pond and is connected with surrounding at the bottom of pond, described pool wall comprises the horizontal pool wall in two sides and the vertical pool wall in two sides (102), mother liquor collecting pipe (4) is provided with at the bottom of described pond, external face, described pond is parallel to horizontal pool wall and is provided with irrigation canals and ditches (5), described mother liquor collecting pipe (4) is connected with described irrigation canals and ditches (5), multiple described crystallizing pond (1) is connected successively by vertical pool wall (102), chuck (3) top being positioned at the described crystallizing pond (1) of one end in multiple described crystallizing pond (1) connected successively is provided with cooling water inlet pipe (7), chuck (3) top being positioned at the described crystallizing pond (1) of the other end is provided with cooling water outlet pipe (8), the water inlet pipe (7) of described cooling water is communicated with the delivery port of described cooling bay (6), the outlet pipe (8) of described cooling water is communicated with the water inlet of cooling bay (6), described crystal conveyer belt (9) is arranged on the top of described crystallizing pond (1) and parallel with horizontal pool wall.
Described dividing plate (2) is for preventing the thick liquid of alum to the corrosion of pond body, and described dividing plate (2) is corrosion resistant plate or PVC board.
The length of the vertical pool wall of described crystallizing pond (102) is greater than the length of horizontal pool wall.
The temperature that the thick liquid of alum flows into described crystallizing pond (1) is >=95 DEG C, and the temperature of the thick liquid crystallization of described crystallizing pond (1) interior alum is normal temperature.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the device of alum crystallisation by cooling, it is characterized in that, comprise crystallizing pond (1), cooling bay (6) and crystal conveyer belt (9), described crystallizing pond (1) is set side by side with multiple, the rectangle steel reinforced concrete pool that described crystallizing pond (1) is open top, described crystallizing pond (1) comprises pond body, dividing plate (2), chuck (3) and mother liquor collecting pipe (4), described dividing plate (2) is arranged on pond body inner surface, described chuck (3) is arranged between pond body and dividing plate (2), the pool wall that described pond body to comprise at the bottom of pond and is connected with surrounding at the bottom of pond, described pool wall comprises the horizontal pool wall in two sides and the vertical pool wall in two sides (102), mother liquor collecting pipe (4) is provided with at the bottom of described pond, external face, described pond is parallel to horizontal pool wall and is provided with irrigation canals and ditches (5), described mother liquor collecting pipe (4) is connected with described irrigation canals and ditches (5), multiple described crystallizing pond (1) is connected successively by vertical pool wall (102), chuck (3) top being positioned at the described crystallizing pond (1) of one end in multiple described crystallizing pond (1) connected successively is provided with cooling water inlet pipe (7), chuck (3) top being positioned at the described crystallizing pond (1) of the other end is provided with cooling water outlet pipe (8), the water inlet pipe (7) of described cooling water is communicated with the delivery port of described cooling bay (6), the outlet pipe (8) of described cooling water is communicated with the water inlet of cooling bay (6), described crystal conveyer belt (9) is arranged on the top of described crystallizing pond (1) and parallel with horizontal pool wall.
2. the device of alum crystallisation by cooling according to claim 1, is characterized in that, described dividing plate (2) is corrosion resistant plate or PVC board.
3. the device of alum crystallisation by cooling according to claim 1, is characterized in that, the length of the vertical pool wall of described crystallizing pond (102) is greater than the length of horizontal pool wall.
4. the device of the alum crystallisation by cooling according to any one of claims 1 to 3, is characterized in that, the temperature that the thick liquid of alum flows into described crystallizing pond (1) is >=95 DEG C, and the temperature of the thick liquid crystallization of described crystallizing pond (1) interior alum is normal temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780996.2A CN104474734B (en) | 2014-12-16 | 2014-12-16 | The device of alum crystallisation by cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780996.2A CN104474734B (en) | 2014-12-16 | 2014-12-16 | The device of alum crystallisation by cooling |
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|---|---|
| CN104474734A CN104474734A (en) | 2015-04-01 |
| CN104474734B true CN104474734B (en) | 2016-03-16 |
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| CN201410780996.2A Active CN104474734B (en) | 2014-12-16 | 2014-12-16 | The device of alum crystallisation by cooling |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366701B (en) * | 2015-11-06 | 2019-10-01 | 化工部长沙设计研究院 | A kind of technique of continuous production cesium rubidium alum and potassium alum |
| CN106277010B (en) * | 2016-08-24 | 2018-04-10 | 淄博市淄川程鹏化工厂 | A kind of alum production technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1363695A (en) * | 1970-11-24 | 1974-08-14 | Zieren Chemiebau Gmbh Dr A | Process and apparatus for the production of solid salt hydrates |
| WO1981003016A1 (en) * | 1980-04-23 | 1981-10-29 | Novex Foreign Trade Co Ltd | Process and equipment for the performance of precipitate forming reactions by using an ion-exchange auxiliary phase |
| CN101092242A (en) * | 2007-05-22 | 2007-12-26 | 山东铝业股份有限公司 | Three stages, two seeds technique of seed crystal decomposition |
| CN201760122U (en) * | 2010-07-12 | 2011-03-16 | 如皋市金陵化工有限公司 | Benzotriazole crystallizing equipment |
| CN202410225U (en) * | 2011-11-14 | 2012-09-05 | 山东瑞福锂业有限公司 | Potassium alum and ammonium alum mixed alum crystallization tank |
-
2014
- 2014-12-16 CN CN201410780996.2A patent/CN104474734B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1363695A (en) * | 1970-11-24 | 1974-08-14 | Zieren Chemiebau Gmbh Dr A | Process and apparatus for the production of solid salt hydrates |
| WO1981003016A1 (en) * | 1980-04-23 | 1981-10-29 | Novex Foreign Trade Co Ltd | Process and equipment for the performance of precipitate forming reactions by using an ion-exchange auxiliary phase |
| CN101092242A (en) * | 2007-05-22 | 2007-12-26 | 山东铝业股份有限公司 | Three stages, two seeds technique of seed crystal decomposition |
| CN201760122U (en) * | 2010-07-12 | 2011-03-16 | 如皋市金陵化工有限公司 | Benzotriazole crystallizing equipment |
| CN202410225U (en) * | 2011-11-14 | 2012-09-05 | 山东瑞福锂业有限公司 | Potassium alum and ammonium alum mixed alum crystallization tank |
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|---|---|
| CN104474734A (en) | 2015-04-01 |
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Address after: Xinyi Road Xiufeng District, Guilin city 541001 No. 93 the Guangxi Zhuang Autonomous Region Patentee after: XING'AN CHENYI INDUSTRY AND TRADE CO., LTD. Patentee after: Tang Xiang Address before: 541300 Guilin, Xingan City Industrial Zone District C2 Patentee before: XING'AN CHENYI INDUSTRY AND TRADE CO., LTD. Patentee before: Tang Xiang |
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Effective date of registration: 20201124 Address after: 538000 Guangxi Fangchenggang Port Area East Drainage Reclamation Port Area 1 Road West Side Patentee after: Fangcheng and Hong Kong and Macao grain & Oil Industry Co.,Ltd. Address before: Xinyi Road Xiufeng District, Guilin city 541001 No. 93 the Guangxi Zhuang Autonomous Region Patentee before: XING'AN CHENYI INDUSTRY AND TRADE Co.,Ltd. Patentee before: Tang Xiang |
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Effective date of registration: 20210318 Address after: 538000 room 120, 1st floor, building 3, yunlang Science Park, Fangcheng District, Fangchenggang City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Beibu Gulf grain and oil technology research Co.,Ltd. Address before: 538000 Guangxi Fangchenggang Port Area East Drainage Reclamation Port Area 1 Road West Side Patentee before: Fangcheng and Hong Kong and Macao grain & Oil Industry Co.,Ltd. |