CN205773387U - Ammonium carbonate process units - Google Patents
Ammonium carbonate process units Download PDFInfo
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- CN205773387U CN205773387U CN201620477653.3U CN201620477653U CN205773387U CN 205773387 U CN205773387 U CN 205773387U CN 201620477653 U CN201620477653 U CN 201620477653U CN 205773387 U CN205773387 U CN 205773387U
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- ammonium carbonate
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- mother liquor
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- crystallisation chamber
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Abstract
The utility model discloses a kind of ammonium carbonate process units, relate to ammonium carbonate production technical field.Including spraying type absorption device, spraying type absorption device includes absorption chamber and crystallisation chamber；Absorption chamber is provided with mixed gas import, offgas outlet, spray equipment and downspout containing ammonia and carbon dioxide, and downspout is connected with crystallisation chamber；Crystallisation chamber is provided with circulating mother liquor import and export, ammonium carbonate exports with mother liquor mixture；Crystallisation chamber is connected with water charging system by pipeline；Ammonium carbonate Recycling Mother Solution sprinkling system includes Recycling Mother Solution pump, and Recycling Mother Solution pump is connected with circulating mother liquor outlet and spray equipment by pipeline one, two respectively；Crystallisation chamber ammonium carbonate is connected by crystallization pump and pipeline with crystallization apparatus import with mother liquor mixture outlet, and crystallization apparatus outlet is connected with segregation apparatus import, and segregation apparatus mother liquor outlet is connected with crystallisation chamber circulating mother liquor import by pipeline.This utility model ammonium carbonate process units, rational in infrastructure, use simple, protect environment, reduce cost.
Description
Technical field
This utility model relates to ammonium carbonate production technical field.
Background technology
In Chemical Manufacture produce containing NH4CNS and K2CO3Aqueous solution, such as: at HPF method coke oven gas desulfurization
With during vacuum potassium carbonate method coke oven gas desulfurization produce containing NH4CNS and K2CO3Aqueous solution, evaporation process
The middle mixed gas that can produce containing ammonia and carbon dioxide, the reaction equation of the main chemical reactions related to is as follows:
NH4CNS+K2CO3→(NH4)2CO3+KCNS
(NH4)2CO3→2NH3↑+H20+CO2↑
The mixed gas complex treatment process that carbonate and ammonium salt produce, production cost is high, and direct discharge then can cause serious environment dirty
Dye.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of protect environment, reduce cost ammonium carbonate process units.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of ammonium carbonate process units, including
Spraying type absorption device, ammonium carbonate Recycling Mother Solution sprinkling system, water charging system, crystallization apparatus and segregation apparatus；Spraying type absorption
Device includes epimere absorption chamber and hypomere crystallisation chamber；The upper side of absorption chamber is provided with the mixed gas containing ammonia and carbon dioxide
Import and offgas outlet, absorption chamber upper inner is provided with spray equipment, and bottom absorption chamber, centre is provided with downspout, downspout and knot
Brilliant room is connected；Crystallisation chamber top is respectively provided on two sides with crystallisation chamber circulating mother liquor import and the outlet of crystallisation chamber circulating mother liquor, at the bottom of crystallisation chamber
Portion is provided with crystallisation chamber ammonium carbonate and exports with mother liquor mixture；Crystallisation chamber is connected with water charging system by pipeline；Ammonium carbonate Recycling Mother Solution
Sprinkling system includes Recycling Mother Solution pump, and Recycling Mother Solution pump is exported and spray with crystallisation chamber circulating mother liquor by pipeline one, pipeline two respectively
Shower device connects, and forms ammonium carbonate Recycling Mother Solution and sprays loop；Crystallization apparatus top and bottom be respectively equipped with crystallization apparatus import and
Crystallization apparatus exports；Segregation apparatus is provided with segregation apparatus import, the outlet of segregation apparatus ammonium carbonate crystal and segregation apparatus mother solution and goes out
Mouthful；Crystallisation chamber ammonium carbonate is connected by crystallization pump and pipeline with crystallization apparatus import with mother liquor mixture outlet, and crystallization apparatus exports
Being connected with segregation apparatus import, segregation apparatus mother liquor outlet is connected with crystallisation chamber circulating mother liquor import by pipeline.
Preferably, the outlet of segregation apparatus ammonium carbonate crystal is connected with product packaging or drying system.
Preferably, crystallization apparatus includes that crystallization tank, crystallization tank include at the bottom of Upper cylindrical type tube body and lower cone type tube.
Preferably, segregation apparatus includes the centrifuge for separating ammonium carbonate crystal and ammonium carbonate mother solution.
Use and have the beneficial effects that produced by technique scheme:
(1) this utility model provides one not only will not produce environment to pollute, but also will not produce high processing cost, and can reclaim
Process units to ammonium carbonate (or ammonium hydrogen carbonate)；
(2) this ammonium carbonate process units is rational in infrastructure, uses simple.This device can also be applied to the production of ammonium hydrogen carbonate；
(3) mixed gas using this device and the solution containing ammonium thiocyanate and potassium carbonate to produce produces ammonium carbonate, low cost, and keeps away
Exempt from the discharge of ammonia and carbon dioxide, protect environment；
(4) using this device to produce ammonium carbonate, ammonium carbonate mother solution can recycle, and improves the yield of ammonium carbonate；
(5) using this device to produce ammonium carbonate, the mass content of ammonium carbonate is more than 98%, and purity is high.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings；
Fig. 1 is structural representation of the present utility model；
In figure, 1, mixed gas import；2, spraying type absorption device；3, spray equipment；4, offgas outlet；5, absorption chamber；6、
Pipeline two；7, crystallisation chamber；8, Recycling Mother Solution pump；9, pipeline one；10, crystallisation chamber circulating mother liquor outlet；11, crystallisation chamber carbon
Acid ammonium exports with mother liquor mixture；12, crystallization pump；13, segregation apparatus mother liquor outlet；14, segregation apparatus ammonium carbonate crystal goes out
Mouthful；15, segregation apparatus；16, segregation apparatus import；17, crystallization apparatus outlet；18, crystallization apparatus；19, crystallization apparatus
Import；20, water charging system；21, downspout；22, crystallisation chamber circulating mother liquor import.
Detailed description of the invention
Embodiment 1
A kind of ammonium carbonate process units, as shown in Figure 1, including spraying type absorption device 2, ammonium carbonate Recycling Mother Solution sprinkling system, benefit
Water system 20, crystallization apparatus 18 and segregation apparatus 15；Spraying type absorption device 2 includes epimere absorption chamber 5 and hypomere crystallisation chamber
7；The upper side of absorption chamber 5 is provided with the mixed gas import 1 containing ammonia and carbon dioxide and offgas outlet 4, absorption chamber 5
Upper inner is provided with spray equipment 3, and bottom absorption chamber 5, centre is provided with downspout 21, and downspout 21 is connected with crystallisation chamber 7；Knot
Brilliant top, room 7 is respectively provided on two sides with crystallisation chamber circulating mother liquor import 22 and crystallisation chamber circulating mother liquor outlet 10, bottom crystallisation chamber 7
It is provided with crystallisation chamber ammonium carbonate and exports 11 with mother liquor mixture；Crystallisation chamber 7 is connected with water charging system 20 by pipeline；Ammonium carbonate is female
Liquid circulation sprinkling system includes Recycling Mother Solution pump 8, and Recycling Mother Solution pump 8 is circulated with crystallisation chamber by pipeline 1, pipeline 26 respectively
Mother liquor outlet 10 and spray equipment 3 connect, and form ammonium carbonate Recycling Mother Solution and spray loop；Crystallization apparatus 18 top and bottom are divided
It is not provided with crystallization apparatus import 19 and crystallization apparatus outlet 17；Segregation apparatus 15 is provided with segregation apparatus import 16, segregation apparatus
Ammonium carbonate crystal outlet 14 and segregation apparatus mother liquor outlet 13；Crystallisation chamber ammonium carbonate and mother liquor mixture outlet 11 and crystallization apparatus
Import 19 is connected by crystallization pump 12 and pipeline, and crystallization apparatus outlet 17 is connected with segregation apparatus import 16, and segregation apparatus is female
Liquid outlet 13 is connected with crystallisation chamber circulating mother liquor import 22 by pipeline.
Segregation apparatus ammonium carbonate crystal outlet 14 is connected with product packaging or drying system.
Crystallization apparatus 18 includes that crystallization tank, crystallization tank include at the bottom of Upper cylindrical type tube body and lower cone type tube.
Segregation apparatus 15 includes the centrifuge for separating ammonium carbonate crystal and ammonium carbonate mother solution.
Above-mentioned ammonium carbonate process units produces the method for ammonium carbonate, comprises the following steps:
1) equipped with ammonium carbonate mother solution in crystallisation chamber 7, by crystallisation chamber circulating mother liquor outlet 10, pipeline 1, Recycling Mother Solution pump 8 and pipe
Road 26 enters spray equipment 3 and sprays ammonium carbonate mother solution；Temperature in crystallisation chamber 7 is 30 DEG C.
2) when distillation and concentration contains the aqueous solution of ammonium thiocyanate and potassium carbonate, steam containing ammonia and the mixing of carbon dioxide
Gas is entered in the absorption chamber 5 of spraying type absorption device 2 by mixed gas import 1 after being cooled to 40 DEG C, and with intensive sprinkling
The ammonium carbonate mother solution counter current contacting that temperature is 30 DEG C；It is absorbed and removed the tail gas of ammonia and carbon dioxide from offgas outlet 4
Discharge；Ammonia and carbon dioxide generate certain density sal volatile in ammonium carbonate mother solution, flow into crystallization by downspout 21
Room 7, the ammonium carbonate mother solution on crystallisation chamber 7 top is extracted out by Recycling Mother Solution pump 8 and is delivered to continue in absorption chamber 5 absorbing ammonia gas and dioxy
Change carbon；
3) the ammonium carbonate crystal of crystallisation chamber 7 bottom is delivered in crystallization apparatus 18, in temperature together with part ammonium carbonate mother solution by crystallization pump 12
Degree be 15 DEG C under the conditions of through standing crystallization after, deliver to segregation apparatus 15 isolate mass content more than 98% ammonium carbonate crystal,
Segregation apparatus 15 isolated ammonium carbonate mother solution sends into crystallisation chamber 7 top by crystallisation chamber circulating mother liquor import 22, continues to absorb
Ammonia and carbon dioxide.
Ammonium carbonate mother solution is to obtain after desalted water absorbs ammonia and carbon dioxide.When carbon in the ammonium carbonate mother solution in crystallisation chamber 7
When the mass concentration of acid ammonium is more than 45%, supplement desalted water by water charging system 20.Containing ammonia and the mixed gas of carbon dioxide
The molal quantity of middle ammonia is more than or equal to 2 times of carbon dioxide molal quantity.
When the molal quantity of ammonia is less than or equal to 1 times of carbon dioxide molal quantity in mixed gas, i.e. generate ammonium hydrogen carbonate same
It is applicable to this device.
When original going into operation, in crystallisation chamber 7, dress is desalted water, supplements desalted water by water charging system.
Claims (4)
1. an ammonium carbonate process units, it is characterised in that:
Including spraying type absorption device (2), ammonium carbonate Recycling Mother Solution sprinkling system, water charging system (20), crystallization apparatus (18) and point
From device (15)；
Described spraying type absorption device (2) includes epimere absorption chamber (5) and hypomere crystallisation chamber (7)；The upper side of absorption chamber (5)
Being provided with the mixed gas import (1) containing ammonia and carbon dioxide and offgas outlet (4), absorption chamber (5) upper inner is provided with
Spray equipment (3), absorption chamber (5) is provided with downspout (21) in the middle of bottom, and downspout (21) is connected with crystallisation chamber (7)；
Crystallisation chamber (7) top is respectively provided on two sides with crystallisation chamber circulating mother liquor import (22) and crystallisation chamber circulating mother liquor outlet (10), knot
Brilliant room (7) bottom is provided with crystallisation chamber ammonium carbonate and exports (11) with mother liquor mixture；Crystallisation chamber (7) passes through pipeline and water charging system
(20) connect；
Ammonium carbonate Recycling Mother Solution sprinkling system includes Recycling Mother Solution pump (8), and Recycling Mother Solution pump (8) is respectively by pipeline one (9), pipeline
Two (6) are connected with crystallisation chamber circulating mother liquor outlet (10) and spray equipment (3), form ammonium carbonate Recycling Mother Solution and spray loop；
Crystallization apparatus (18) top and bottom are respectively equipped with crystallization apparatus import (19) and crystallization apparatus outlet (17)；Segregation apparatus (15)
It is provided with segregation apparatus import (16), segregation apparatus ammonium carbonate crystal outlet (14) and segregation apparatus mother liquor outlet (13)；
Crystallisation chamber ammonium carbonate is connected by crystallization pump (12) and pipeline with crystallization apparatus import (19) with mother liquor mixture outlet (11),
Crystallization apparatus outlet (17) is connected with segregation apparatus import (16), and segregation apparatus mother liquor outlet (13) passes through pipeline and crystallization
Room circulating mother liquor import (22) is connected.
Ammonium carbonate process units the most according to claim 1, it is characterised in that described segregation apparatus ammonium carbonate crystal outlet (14)
It is connected with product packaging or drying system.
Ammonium carbonate process units the most according to claim 1, it is characterised in that described crystallization apparatus (18) includes crystallization tank, knot
Brilliant groove includes at the bottom of Upper cylindrical type tube body and lower cone type tube.
Ammonium carbonate process units the most according to claim 1, it is characterised in that described segregation apparatus (15) includes for separation of carbon
Acid ammonium crystal and the centrifuge of ammonium carbonate mother solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477653.3U CN205773387U (en) | 2016-05-23 | 2016-05-23 | Ammonium carbonate process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477653.3U CN205773387U (en) | 2016-05-23 | 2016-05-23 | Ammonium carbonate process units |
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| Publication Number | Publication Date |
|---|---|
| CN205773387U true CN205773387U (en) | 2016-12-07 |
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ID=58112509
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620477653.3U Active CN205773387U (en) | 2016-05-23 | 2016-05-23 | Ammonium carbonate process units |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776248A (en) * | 2016-05-23 | 2016-07-20 | 定州旭阳科技有限公司 | Ammonium carbonate production device and production method thereof |
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2016
- 2016-05-23 CN CN201620477653.3U patent/CN205773387U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776248A (en) * | 2016-05-23 | 2016-07-20 | 定州旭阳科技有限公司 | Ammonium carbonate production device and production method thereof |
| CN105776248B (en) * | 2016-05-23 | 2018-06-19 | 定州旭阳科技有限公司 | Ammonium carbonate process units and its production method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 073000 north side of Ding Qu Road, Baoding City, Dingzhou, Hebei Co-patentee after: Hebei Xuyang Energy Co., Ltd Patentee after: DINGZHOU RISUN TECHNOLOGY Co.,Ltd. Co-patentee after: DINGZHOU TIANLU NEW ENERGY Co.,Ltd. Address before: 073000, No. 269, South Road, Dingzhou, Hebei, Baoding Co-patentee before: HEBEI RISUN COKING Co.,Ltd. Patentee before: DINGZHOU RISUN TECHNOLOGY Co.,Ltd. Co-patentee before: DINGZHOU TIANLU NEW ENERGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |