CN202246111U - Equipment for recovering ammonium sulfate - Google Patents
Equipment for recovering ammonium sulfate Download PDFInfo
- Publication number
- CN202246111U CN202246111U CN2011203132930U CN201120313293U CN202246111U CN 202246111 U CN202246111 U CN 202246111U CN 2011203132930 U CN2011203132930 U CN 2011203132930U CN 201120313293 U CN201120313293 U CN 201120313293U CN 202246111 U CN202246111 U CN 202246111U
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- communicated
- still
- mother liquor
- kettle
- ammonium sulfate
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Abstract
The utility model discloses equipment for recovering ammonium sulfate. The equipment comprises a neutralizing kettle, wherein a feeding hole of the neutralizing kettle is communicated with a waste acid liquor feeding device; an air inlet of the neutralizing kettle is communicated with an ammonia gas feeding tank; the neutralizing kettle is communicated to a vacuum pump; a discharging hole of the neutralizing kettle is communicated to a feeding hole of a centrifuge; an ammonia sulfate outlet of the centrifuge is communicated to a dryer; a mother liquor outlet of the centrifuge is communicated to a mother liquor reflowing device; the mother liquor reflowing device is communicated to the neutralizing kettle and a dehydrating kettle respectively; and the dehydrating kettle is communicated to the feeding hole of the centrifuge. The inside of the neutralizing kettle is vacuumized before neutralizing, so that the oxygen concentration in the air in the kettle is lowered greatly, an ammonia-oxygen mixed gas is prevented from forming an explosive mixture, the fractional pressure of the ammonia gas in the kettle is greatly increased, and the reaction speed is increased greatly; and the equipment has a simple structure, and is convenient to operate.
Description
Technical field
The utility model relates to technical field of chemical, relates in particular to a kind of equipment that ammonium sulfate reclaims that is used for.
Background technology
Contain that the hydrolysis of cyanogen radical compound prepares carboxylic acid or its ester is one type of important chemical reaction, for example: utilize the cyanoacetic acid hydrolysis to prepare propanedioic acid and ester thereof; Benzyl cyanide hydrolysis prepares toluylic acid; Preparation 1; The 1-cyclohexanediacetic acid, methacrylonitrile is produced methylacrylic acid and ester thereof or the like, and hydrolytic process is used the sulfuric acid of different concns usually; This type reaction can produce sulfur acid hydrogen ammonium, vitriolic waste water in process of production, these waste water can with ammonia neutralize agricultural ammonium sulfate.For the production of ammonium sulfate, the coke-oven plant generally adopts Spray Saturator production when the washing coke-oven gas is produced ammonium sulfate at present, and this device systems throughput is big, and investment is big, a small amount of spent acid is produced ammonium sulfate adopt this system then to invest excessive.
The utility model content
The utility model technical problem to be solved provides a kind of simple in structure, the easy to operate equipment that is used for the ammonium sulfate recovery.
For solving the problems of the technologies described above, the technical scheme of the utility model is: a kind ofly be used for the equipment that ammonium sulfate reclaims, in comprising and still; Opening for feed with still in said is communicated with the spent acid solution feeding unit; Be communicated with ammonia air inlet jar with the inlet mouth of still in said, be communicated to vacuum pump with still in said, be communicated to the opening for feed of whizzer with the discharge port of still in said; The ammonium sulfate outlet of said whizzer is communicated to dryer; The outlet of the mother liquor of said whizzer is communicated to the mother liquor reflux, said mother liquor reflux be communicated to respectively said in still and dehydration still, said dehydration still is communicated to the opening for feed of said whizzer.
Before the neutralization earlier will in still in vacuumize with vacuum pump, make not only that airborne oxygen concentration reduces greatly in the still, avoided the ammonia oxygen gas mixture to form explosive mixture, and greatly improved ammonia dividing potential drop in still, accelerated speed of response greatly; In the logical ammonia process, temperature in the kettle is reduced, also help having accelerated speed of response through cooling.
As optimized technical scheme, said spent acid solution feeding unit comprises the spent acid solution storage tank, and said spent acid solution storage tank is communicated to fresh feed pump, said fresh feed pump be communicated to said in and still.
As optimized technical scheme, said mother liquor reflux comprises the mother liquor holding tank of the mother liquor outlet that is communicated with said whizzer, and said mother liquor holding tank is communicated to recycle pump, said recycle pump be communicated to respectively said in still and dehydration still.
As improvement, on the said dehydration still condensing surface is installed also to technique scheme.
Principle of work is: in the spent acid solution suction after metering and still, mix by a certain percentage with mother liquor, ON cycle water, in vacuumize with still after; Vacuumize valve with still in closing, open logical ammonia valve, logical ammonia in still makes in the still under negative pressure, to absorb ammonia; After material becomes neutrality, close logical ammonia valve, material is packed behind the entering drying machine drying through spinning; Centrifugal mother liquid obtained, during a part is returned and still, a part gets into the dehydration of dehydration still, and dehydration back material also carries out spinning.
Owing to adopted technique scheme, a kind ofly be used for the equipment that ammonium sulfate reclaims, in comprising and still; Be communicated with the spent acid solution feeding unit with the opening for feed of still in said, be communicated with ammonia air inlet jar with the inlet mouth of still in said, be communicated to vacuum pump with still in said; Be communicated to the opening for feed of whizzer in said with the discharge port of still, the ammonium sulfate outlet of said whizzer is communicated to dryer, and the mother liquor outlet of said whizzer is communicated to the mother liquor reflux; Said mother liquor reflux be communicated to respectively said in still and dehydration still, said dehydration still is communicated to the opening for feed of said whizzer, before the neutralization earlier will in still in vacuumize; Make not only that airborne oxygen concentration reduces greatly in the still; Avoid the ammonia oxygen gas mixture to form explosive mixture, and greatly improved ammonia dividing potential drop in still, accelerated speed of response greatly; Simple in structure, easy to operate.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Among the figure: 1-ammonia air inlet jar; 2-spent acid solution storage tank; The 3-fresh feed pump; Among the 4-and still; The 5-whizzer; The 6-dryer; The 7-mother liquor holding tank; The 8-recycle pump; The 9-still that dewaters; The 10-condensing surface; The 11-vacuum pump.
Embodiment
Below in conjunction with accompanying drawing and embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment: shown in accompanying drawing, a kind ofly be used for the equipment that ammonium sulfate reclaims, in comprising with still 4; Opening for feed with still 4 in said is communicated with the spent acid solution feeding unit; Be communicated with ammonia air inlet jar 1 with the inlet mouth of still 4 in said, be communicated to vacuum pump 11 with still 4 in said, be communicated to the opening for feed of whizzer 5 with the discharge port of still 4 in said; The ammonium sulfate outlet of said whizzer 5 is communicated to dryer 6; The outlet of the mother liquor of said whizzer 5 is communicated to the mother liquor reflux, said mother liquor reflux be communicated to respectively said in still 4 and dehydration still 9, said dehydration still 9 is communicated to the opening for feed of said whizzer 5.
Said spent acid solution feeding unit comprises spent acid solution storage tank 2, and said spent acid solution storage tank 2 is communicated to fresh feed pump 3, said fresh feed pump 3 be communicated to said in still 4.
Said mother liquor reflux comprises the mother liquor holding tank 7 of the mother liquor outlet that is communicated with said whizzer 5, and said mother liquor holding tank 7 is communicated to recycle pump 8, said recycle pump 8 be communicated to respectively said in still 4 and dehydration still 9.
On the said dehydration still 9 condensing surface 10 is installed also.
During work, spent acid solution is temporarily stored in the spent acid solution storage tank 2, with fresh feed pump 3 beat after metering in still 4 in; After being equipped with a certain amount of mother liquor, will in after still 4 usefulness vacuum pumps 11 vacuumize, close and vacuumize valve; Open the logical ammonia valve of ammonia air inlet jar 1; To in still 4 in logical ammonia, simultaneously, in being cooled with circulating water and still 4; Neutralization finishes, and material is through whizzer 5 spinnings, and ammonium sulfate gets into dryer 6 and dries; It is temporary that mother liquor gets into mother liquor holding tank 7, and with still 4, a part of beating to the still 9 that dewaters dewatered during a part was returned with recycle pump pump 8; Deviate from water after condensing surface 10 condensations, carry out wastewater treatment; Material dewatering carries out spinning in the dehydration still 9 after to a certain degree, so circulation.
More than show and described the advantage of ultimate principle, principal character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification sheets that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
All are from the design of the utility model, and the structural transformation of having done without creative work all drops within the protection domain of the utility model.
Claims (4)
1. one kind is used for the equipment that ammonium sulfate reclaims; It is characterized in that: in comprising and still, be communicated with the spent acid solution feeding unit with the opening for feed of still in said, be communicated with ammonia air inlet jar with the inlet mouth of still in said; Be communicated to vacuum pump with still in said; Be communicated to the opening for feed of whizzer in said with the discharge port of still, the ammonium sulfate outlet of said whizzer is communicated to dryer, and the mother liquor outlet of said whizzer is communicated to the mother liquor reflux; Said mother liquor reflux be communicated to respectively said in still with the dehydration still, said dehydration still is communicated to the opening for feed of said whizzer.
2. a kind of equipment that ammonium sulfate reclaims that is used for as claimed in claim 1, it is characterized in that: said spent acid solution feeding unit comprises the spent acid solution storage tank, said spent acid solution storage tank is communicated to fresh feed pump, said fresh feed pump be communicated to said in and still.
3. a kind of equipment that ammonium sulfate reclaims that is used for as claimed in claim 1; It is characterized in that: said mother liquor reflux comprises the mother liquor holding tank of the mother liquor outlet that is communicated with said whizzer; Said mother liquor holding tank is communicated to recycle pump, said recycle pump be communicated to respectively said in still with the dehydration still.
4. a kind of equipment that ammonium sulfate reclaims that is used for as claimed in claim 1 is characterized in that: on the said dehydration still condensing surface is installed also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203132930U CN202246111U (en) | 2011-08-25 | 2011-08-25 | Equipment for recovering ammonium sulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203132930U CN202246111U (en) | 2011-08-25 | 2011-08-25 | Equipment for recovering ammonium sulfate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246111U true CN202246111U (en) | 2012-05-30 |
Family
ID=46107384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203132930U Expired - Fee Related CN202246111U (en) | 2011-08-25 | 2011-08-25 | Equipment for recovering ammonium sulfate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246111U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045861A (en) * | 2016-05-26 | 2016-10-26 | 山东润博生物科技有限公司 | Method and system for continuously producing 5-fluoro-2-nitrophenol |
| CN107029642A (en) * | 2017-05-08 | 2017-08-11 | 宜兴市宏博精细化工有限公司 | A kind of oxyquinoline preparation facilities of 5 chlorine 8 |
-
2011
- 2011-08-25 CN CN2011203132930U patent/CN202246111U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045861A (en) * | 2016-05-26 | 2016-10-26 | 山东润博生物科技有限公司 | Method and system for continuously producing 5-fluoro-2-nitrophenol |
| CN106045861B (en) * | 2016-05-26 | 2019-04-19 | 山东润博生物科技有限公司 | A kind of method and its system of the fluoro- 2- nitrophenol of continuous production 5- |
| CN107029642A (en) * | 2017-05-08 | 2017-08-11 | 宜兴市宏博精细化工有限公司 | A kind of oxyquinoline preparation facilities of 5 chlorine 8 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150825 |
|
| EXPY | Termination of patent right or utility model |