CN208995148U - A kind of cleaning equipment for ammonia in liquid sodium cyanide - Google Patents
A kind of cleaning equipment for ammonia in liquid sodium cyanide Download PDFInfo
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- CN208995148U CN208995148U CN201821572022.5U CN201821572022U CN208995148U CN 208995148 U CN208995148 U CN 208995148U CN 201821572022 U CN201821572022 U CN 201821572022U CN 208995148 U CN208995148 U CN 208995148U
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- ammonia
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- liquid sodium
- absorption tower
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Abstract
The utility model belongs to equipment technical field, improves a kind of cleaning equipment for ammonia in liquid sodium cyanide.Circulating pump at the top and bottom of pipeline and deammoniation tower by being connected；Air blower is passed through by pipeline to deammoniation tower；It is connected by pipeline with surge tank upper entrance at the top of deammoniation tower；Ammonia outlet is equipped at the top of surge tank, bottom is exported equipped with Cymag, and ammonia outlet is connected by pipeline with the entrance of absorption tower lower part；Water circulating pump is connected by pipeline with the entrance on absorption tower top.The cleaning equipment of the utility model is simple, effectively, and the equipment of use is conventional deammoniation tower, air blower, absorption tower, low in cost and be easy to run.Ammonium hydroxide is recycled using shower water, had both solved the problems, such as liquid sodium cyanide containing ammonia, while solving the security risk in Cyanuric Chloride production process, and increase economic benefit for enterprise.
Description
Technical field
The utility model relates to the cleaning equipments of liquefied ammonia in light oil cracking method production liquid sodium cyanide, belong to equipment and technology neck
Domain.
Background technique
Light oil cracking method produces Cymag, is using light oil (or natural gas), liquefied ammonia and liquid alkaline as primary raw material.From cracking
The cracking gas containing hydrogen cyanide, ammonia that furnace comes out, temperature is 40-60 DEG C after cooling, dedusting, and it is raw to be directly entered absorption tower
Production content is 30% liquid sodium cyanide.Cracking gas containing hydrogen cyanide, ammonia is handled without deamination, the liquid cyanogen directly produced
Change sodium is Cymag containing ammonia.
Cymag is a kind of widely used basic chemical raw materials, and in dye industry, Cymag is used to produce three polychlorostyrene
Cyanogen.The Cymag containing ammonia it is of poor quality, for produce Cyanuric Chloride during have following deficiency: 1) ammonia in Cymag containing ammonia
Agene is generated with excessive chlorine reaction, agene is extremely unstable, and slightly vibration or illumination will occur explosive point
Solution threatens to production and staff；2) ammonia-nitrogen content is high in the waste water generated in production process, and not easy to handle；3)
Ammonia in Cymag containing ammonia be easy to cause the catalyst poisoning in Cyanuric Chloride production process.
CN201410671419 " a kind of to combine the process for preparing liquid hydrogen cyanide and Cymag " is mentioned, and is split with light oil
Solution hydrogen cyanide gaseous mixture is raw material, described except ammonia process is by hydrogen cyanogen by obtaining liquid hydrogen cyanide except ammonia process, deep cooling process
Sour gaseous mixture is absorbed with aqueous sulfuric acid.It is inhaled using the tail gas containing hydrogen cyanide of deep cooling process with sodium hydrate aqueous solution
It receives, obtains the liquid sodium cyanide that content is 30-40%.Such implementation method needs great amount of investment, and the device is complicated, operation at
This height.
Utility model content
The utility model provides the purification of ammonia in the low liquid sodium cyanide of simple one kind, good purification, operating cost
Equipment solves the problems, such as resource reutilization of the liquid sodium cyanide containing ammonia and ammonia.
The technical solution of the utility model includes:
A kind of cleaning equipment for ammonia in liquid sodium cyanide, including deammoniation tower 1, air blower 2, surge tank 3 and absorption tower
4；Circulating pump at the top and bottom of pipeline and deammoniation tower 1 by being connected；Air blower 2 is passed through by pipeline to deammoniation tower 1；Deamination
It is connected by pipeline with 3 upper entrance of surge tank at the top of tower 1；Ammonia outlet is equipped at the top of surge tank 3, bottom is equipped with Cymag
Outlet, ammonia outlet are connected by pipeline with the entrance of 4 lower part of absorption tower；Water circulating pump passes through pipeline and 4 top of absorption tower
Entrance be connected with bottom, ammonia and water form convection current, realize effectively contact, collect ammonium hydroxide.
The utility model has the beneficial effects that the purification method of the utility model is simple, effective, the equipment of use is conventional
Deammoniation tower, air blower, absorption tower, it is low in cost and be easy to run.Ammonium hydroxide is recycled using shower water, both solves liquid sodium cyanide
The problem of containing ammonia, while solving the security risk in Cyanuric Chloride production process, and increase economic benefit for enterprise.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model.
In figure: 1 deammoniation tower；2 air blowers；3 surge tanks；4 absorption towers.
Specific embodiment
Below in conjunction with attached drawing and technical solution, specific embodiment of the present utility model is further illustrated.
As shown in Figure 1, a kind of cleaning equipment for ammonia in liquid sodium cyanide, including deammoniation tower 1, air blower 2, surge tank
3 and absorption tower 4；For circulating pump by being connected at the top and bottom of pipeline and deammoniation tower 1,40 DEG C of liquid sodium cyanides are logical by circulating pump
Enter to deammoniation tower 1, realizes Efficient Cycle of the liquid sodium cyanide in deammoniation tower 1；It is set on the pipeline that circulating pump is connected to deammoniation tower 1
There are valve body, the circulation of real-time control liquid sodium cyanide；Air blower 2 is passed through by pipeline to deammoniation tower 1, and liquid sodium cyanide is de-
In ammonia tower 1 it is that flows from above to below during, the air that air blower 2 is passed through comes out the ammonia stripping in liquid sodium cyanide；It is de-
It is connected by pipeline with 3 upper entrance of surge tank at the top of ammonia tower 1, what stripping came out in deammoniation tower 1 is entrained with a small amount of liquid cyanogen
The ammonia for changing sodium enters in surge tank 3 through pipeline, and surge tank 3 makes a small amount of liquid sodium cyanide settle down, again by ammonia
It is separated with Cymag, there are also stablize the ammonia pressure for entering absorption tower 4 with surge tank 3；Go out at the top of surge tank 3 equipped with ammonia
Mouthful, bottom is exported equipped with Cymag, and ammonia outlet is connected by pipeline with the entrance of 4 lower part of absorption tower, and Cymag outlet is used
In periodically discharge Cymag；Water circulating pump is connected by pipeline with the entrance on 4 top of absorption tower and bottom, realizes that water is absorbing
Efficient Cycle in tower 4 is run from bottom to top from the ammonia entered in absorption tower 4 in surge tank 3, the water that water circulating pump is passed through
It flows from above to below, ammonia and water form convection current, realize effectively contact, periodically collect ammonium hydroxide；Water circulating pump is connected to absorption tower 4
Pipeline be equipped with multiple valve bodies, be respectively used to that control water enters in absorption tower 4, ammonium hydroxide outlet and ammonia circulation enter absorption tower
In 4, the circulation and displacement of ammonium hydroxide are realized.
Claims (1)
1. a kind of cleaning equipment for ammonia in liquid sodium cyanide, which is characterized in that described is used for ammonia in liquid sodium cyanide
Cleaning equipment includes deammoniation tower (1), air blower (2), surge tank (3) and absorption tower (4)；Circulating pump passes through pipeline and deammoniation tower
(1) top and bottom are connected, and 40 DEG C of liquid sodium cyanides are passed through by circulating pump to deammoniation tower (1), realize that liquid sodium cyanide exists
Efficient Cycle in deammoniation tower (1)；The pipeline that circulating pump is connected to deammoniation tower (1) is equipped with valve body, real-time control liquid cyaniding
The circulation of sodium；Air blower (2) is passed through by pipeline to deammoniation tower (1), and liquid sodium cyanide flows from top to bottom in deammoniation tower (1)
In dynamic process, the air that air blower (2) is passed through comes out the ammonia stripping in liquid sodium cyanide；Pass through at the top of deammoniation tower (1)
Pipeline is connected with surge tank (3) upper entrance, the ammonia for being entrained with a small amount of liquid sodium cyanide that deammoniation tower (1) interior stripping comes out
It is entered in surge tank (3) through pipeline, surge tank (3) makes a small amount of liquid sodium cyanide settle down, again by ammonia and cyaniding
Sodium separation, there are also stablize the ammonia pressure for entering absorption tower (4) with surge tank (3)；Go out at the top of surge tank (3) equipped with ammonia
Mouthful, bottom is exported equipped with Cymag, and ammonia outlet is connected by pipeline with the entrance of absorption tower (4) lower part, Cymag outlet
For periodically discharging Cymag；Water circulating pump is connected by pipeline with the entrance on absorption tower (4) top and bottom, realizes that water exists
Efficient Cycle in absorption tower (4) is run, recirculated water from bottom to top from the ammonia entered in absorption tower (4) in surge tank (3)
It pumps the water being passed through to flow from above to below, ammonia and water form convection current, realize effectively contact, periodically collect ammonium hydroxide；Water circulating pump with
The pipeline of absorption tower (4) connection is equipped with multiple valve bodies, is respectively used to control water and enters interior absorption tower (4), ammonium hydroxide outlet and ammonia
Water is recycled into absorption tower (4), realizes the circulation and displacement of ammonium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572022.5U CN208995148U (en) | 2018-09-26 | 2018-09-26 | A kind of cleaning equipment for ammonia in liquid sodium cyanide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572022.5U CN208995148U (en) | 2018-09-26 | 2018-09-26 | A kind of cleaning equipment for ammonia in liquid sodium cyanide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208995148U true CN208995148U (en) | 2019-06-18 |
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ID=66800973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821572022.5U Active CN208995148U (en) | 2018-09-26 | 2018-09-26 | A kind of cleaning equipment for ammonia in liquid sodium cyanide |
Country Status (1)
| Country | Link |
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| CN (1) | CN208995148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589852A (en) * | 2019-10-10 | 2019-12-20 | 营创三征(营口)精细化工有限公司 | Method and device for producing sodium cyanide by mixed cracking of ammonia, light oil and natural gas |
| CN113521805A (en) * | 2021-08-26 | 2021-10-22 | 营口德瑞化工有限公司 | A clarification plant for ammonia in liquid sodium cyanide |
-
2018
- 2018-09-26 CN CN201821572022.5U patent/CN208995148U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589852A (en) * | 2019-10-10 | 2019-12-20 | 营创三征(营口)精细化工有限公司 | Method and device for producing sodium cyanide by mixed cracking of ammonia, light oil and natural gas |
| CN110589852B (en) * | 2019-10-10 | 2023-04-07 | 营创三征(营口)精细化工有限公司 | Method and device for producing sodium cyanide by mixed cracking of ammonia, light oil and natural gas |
| CN113521805A (en) * | 2021-08-26 | 2021-10-22 | 营口德瑞化工有限公司 | A clarification plant for ammonia in liquid sodium cyanide |
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