CN213651872U - Device for producing ammonium sulfate by using waste dilute sulfuric acid and pipeline rapid reactor - Google Patents
Device for producing ammonium sulfate by using waste dilute sulfuric acid and pipeline rapid reactor Download PDFInfo
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- CN213651872U CN213651872U CN202022938435.4U CN202022938435U CN213651872U CN 213651872 U CN213651872 U CN 213651872U CN 202022938435 U CN202022938435 U CN 202022938435U CN 213651872 U CN213651872 U CN 213651872U
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- sulfuric acid
- liquid ammonia
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- main reaction
- ammonium sulfate
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Abstract
The utility model relates to the technical field of chemical production equipment, in particular to a device for producing ammonium sulfate by utilizing a pipeline fast reactor for waste dilute sulfuric acid, which comprises a main reaction pipe, a dilute sulfuric acid tank, a liquid ammonia tank and an ammonium sulfate storage tank, wherein the main reaction pipe is of a tubular structure, a spiral baffle plate is fixed in the main reaction pipe, a sulfuric acid charging hole is arranged at the front end of the main reaction pipe, a main liquid ammonia charging hole communicated with the inner cavity of the main reaction pipe is arranged on the side wall of the front end of the main reaction pipe, and the tail end of the main reaction pipe is communicated with the top of; a discharge port below the inner wall of the dilute sulfuric acid tank is connected with the input end of a delivery pump, and the output end of the delivery pump is communicated with the sulfuric acid feed port; the bottom of the liquid ammonia tank is communicated with the main liquid ammonia feed port through a main liquid ammonia regulating valve. The utility model discloses can adopt metal pipeline to utilize the spent acid preparation ammonium sulfate as main reaction tube, equipment is small, and equipment fixing is simple, and reaction material can be in main reaction tube and intensive mixing reaction.
Description
Technical Field
The utility model relates to a chemical production equipment technical field especially relates to a useless dilute sulphuric acid utilizes pipeline fast reaction ware to produce ammonium sulfate device.
Background
A large amount of waste sulfuric acid is frequently generated in the dye chemical industry, and an ammonium sulfate product is produced after impurity reduction, COD reduction and decoloration, so that the treatment pressure of three wastes is reduced. In the traditional process, dilute sulfuric acid and liquid ammonia are added into a reaction kettle for neutralization reaction to produce ammonium sulfate, but the reaction kettle has large equipment volume and slow reaction and the liquid ammonia is difficult to add.
Based on the above consideration, the utility model designs an useless dilute sulfuric acid utilizes pipeline fast reaction ware to produce ammonium sulfate device, equipment is small, the reaction is fast and except that three groove jar constitutes the reaction unit and can connect in parallel or the series combination, enlarge production scale according to the production needs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a useless dilute sulphuric acid utilizes pipeline fast reaction ware to produce ammonium sulfate device, can adopt metal pipeline to utilize spent acid preparation ammonium sulfate as main reaction tube, equipment is small, and equipment fixing is simple, and reaction material can be in main reaction tube and intensive mixing reaction.
In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme do:
the utility model discloses a device for producing ammonium sulfate by utilizing a pipeline fast reactor for waste dilute sulfuric acid, which comprises a main reaction pipe, a dilute sulfuric acid tank, a liquid ammonia tank and an ammonium sulfate storage tank, wherein the main reaction pipe is of a tubular structure, a spiral baffle is fixed in the main reaction pipe, the front end of the main reaction pipe is provided with a sulfuric acid charging port, the side wall of the front end of the main reaction pipe is provided with a liquid ammonia main charging port communicated with an inner cavity of the main reaction pipe, and the tail end of the main reaction pipe is communicated with the top of the ammonium sulfate storage tank through; a discharge port below the inner wall of the dilute sulfuric acid tank is connected with the input end of a delivery pump, and the output end of the delivery pump is communicated with the sulfuric acid feed port; the bottom of the liquid ammonia tank is communicated with the main liquid ammonia feed port through a main liquid ammonia regulating valve.
And a sulfuric acid regulating valve is arranged between the output end of the delivery pump and the sulfuric acid charging hole.
Still be equipped with the vice charge door of liquid ammonia rather than the inner chamber intercommunication on the front end lateral wall of main reaction tube, the vice charge door of liquid ammonia pass through the vice governing valve of liquid ammonia with the bottom intercommunication of liquid ammonia tank.
The input end of the circulating pump is connected with the tail end of the main reaction tube, the output end of the circulating pump is connected with the main pipe of the branch tube, the first branch tube of the branch tube is communicated with the ammonium sulfate storage tank, the second branch tube of the branch tube is connected with one end of the circulating tube, and the other end of the circulating tube is communicated with the inner cavity of the main reaction tube.
And a PH meter communicated with the inner cavity of the main pipe of the secondary pipe is arranged on the side wall of the main pipe of the secondary pipe.
The beneficial effects of the utility model reside in that:
1. the utility model adopts the metal pipeline as the main reaction pipe, the equipment volume is small, and the equipment installation is simple;
2. the utility model ensures that the reaction materials are fully mixed and reacted in the main reaction tube by welding the spiral baffle inside the main reaction tube;
3. the utility model has the advantages that the circulating pump is arranged at the outlet of the main reaction pipe, and negative pressure is formed at the inlet of the pipeline reactor in the running process of the circulating pump, so that the smooth addition of liquid ammonia is ensured;
4. the utility model discloses a be equipped with two liquid ammonia charge inlets at main reaction tube entrance, wherein the main charge inlet of liquid ammonia is large-traffic charge door, carries out rough regulation liquid ammonia as much as, and the vice charge door of liquid ammonia is the low discharge charge door, carries out the accurate volume of adjusting the liquid ammonia addition, guarantees that the reaction terminal point is accurate stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the attached figure, 1 main reaction tube, 2 spiral baffle plates, 3 circulating pumps, 4 circulating pipes, 5 sulfuric acid feed inlets, 6 sulfuric acid regulating valves, 7 liquid ammonia main feed inlets, 8 liquid ammonia main regulating valves, 9 liquid ammonia auxiliary regulating valves, 10 liquid ammonia auxiliary feed inlets, 11PH meters, 12 dilute sulfuric acid tanks, 13 liquid ammonia tanks, 14 ammonium sulfate storage tanks, 15 delivery pumps and 16 halving pipes.
Detailed Description
The invention will be further described with reference to the following figures and examples:
see fig. 1.
The utility model discloses a device for producing ammonium sulfate by utilizing a pipeline fast reactor for waste dilute sulfuric acid, which comprises a main reaction pipe 1, a dilute sulfuric acid tank 12, a liquid ammonia tank 13 and an ammonium sulfate storage tank 14, wherein the main reaction pipe 1 is of a tubular structure, a spiral baffle 2 is fixed in the main reaction pipe, the front end of the main reaction pipe is provided with a sulfuric acid charging hole 5, the side wall of the front end of the main reaction pipe is provided with a liquid ammonia main charging hole 7 communicated with the inner cavity of the main reaction pipe, and the tail end of the main reaction pipe is communicated with the top of the ammonium sulfate storage tank 14 through a; a discharge port below the inner wall of the dilute sulfuric acid tank 12 is connected with the input end of a delivery pump 15, and the output end of the delivery pump 15 is communicated with the sulfuric acid feed port 5; the bottom of the liquid ammonia tank 13 is communicated with the main liquid ammonia feed port 7 through a main liquid ammonia regulating valve 8, the volume is small, the reaction is fast, and the reaction units except the three tanks can be combined in parallel or in series according to production needs, so that the production scale is enlarged.
A sulfuric acid regulating valve 6 is arranged between the output end of the delivery pump 15 and the sulfuric acid feed opening 5 to control the flow of sulfuric acid.
Still be equipped with the vice charge door of liquid ammonia 10 rather than the inner chamber intercommunication on the front end lateral wall of main reaction tube 1, the vice charge door of liquid ammonia 10 through the vice governing valve of liquid ammonia 9 with the bottom intercommunication of liquid ammonia tank 13, liquid ammonia main charge door 7 are large-traffic charge door, carry out the liquid ammonia of rough regulation and add as if the volume, the vice charge door of liquid ammonia 10 is the low discharge charge door, carries out the accurate volume of adding of adjusting liquid ammonia, guarantees that the reaction terminal is accurate stable.
The input end of the circulating pump 3 is connected with the tail end of the main reaction tube 1, the output end of the circulating pump is connected with a header pipe of the two-branch tube 16, a first branch pipe of the two-branch tube 16 is communicated with the ammonium sulfate storage tank 14, a second branch pipe of the two-branch tube is connected with one end of the circulating tube 4, the other end of the circulating tube 4 is communicated with the inner cavity of the main reaction tube 1, negative pressure is formed at the inlet of the pipeline reactor in the running process of the circulating pump 3, and the smooth adding of liquid ammonia is guaranteed.
And a PH meter 11 communicated with the inner cavity of the main pipe is arranged on the side wall of the main pipe of the secondary pipe 16, so that the qualified reaction liquid is ensured.
The working process is as follows: sulphuric acid in the dilute sulphuric acid tank 12 is pressed into the main reaction tube 1 from the sulphuric acid feed inlet 5 through the sulphuric acid regulating valve 6 control flow through the delivery pump 15, liquid ammonia is added into the main reaction tube 1 from the liquid ammonia main feed inlet 7 and the liquid ammonia auxiliary regulating valve 9 from the liquid ammonia auxiliary feed inlet 10 from the liquid ammonia main regulating valve 8 respectively from the bottom of the liquid ammonia tank 13, the liquid ammonia is mixed through the spiral baffle 2 and flows out from the outlet of the circulating pump 3, a part of reaction liquid at the outlet of the circulating pump 3 returns to the main reaction tube 1 from the circulating pipe 4, the qualified reaction liquid flows into the ammonium sulfate storage tank 14, and the whole reaction end point is detected and controlled through the PH meter.
The above mentioned is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings or the direct or indirect application in the related technical field are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a useless dilute sulphuric acid utilizes pipeline fast reaction ware to produce ammonium sulfate device which characterized in that: comprises a main reaction tube (1), a dilute sulfuric acid tank (12), a liquid ammonia tank (13) and an ammonium sulfate storage tank (14),
the main reaction tube (1) is of a tubular structure, a spiral baffle (2) is fixed in the main reaction tube, a sulfuric acid feed opening (5) is formed in the front end of the main reaction tube, a main liquid ammonia feed opening (7) communicated with the inner cavity of the main reaction tube is formed in the side wall of the front end of the main reaction tube, and the tail end of the main reaction tube is communicated with the top of the ammonium sulfate storage tank (14) through a circulating pump (3);
a discharge port below the inner wall of the dilute sulfuric acid tank (12) is connected with the input end of a delivery pump (15), and the output end of the delivery pump (15) is communicated with the sulfuric acid feed port (5);
the bottom of the liquid ammonia tank (13) is communicated with the main liquid ammonia feed port (7) through a main liquid ammonia regulating valve (8).
2. The apparatus for producing ammonium sulfate by using the pipeline rapid reactor for waste dilute sulfuric acid as claimed in claim 1, wherein: a sulfuric acid regulating valve (6) is arranged between the output end of the delivery pump (15) and the sulfuric acid charging port (5).
3. The apparatus for producing ammonium sulfate by using the pipeline rapid reactor for waste dilute sulfuric acid as claimed in claim 1, wherein: still be equipped with the vice charge door of liquid ammonia (10) rather than the inner chamber intercommunication on the front end lateral wall of main reaction pipe (1), the vice charge door of liquid ammonia (10) through the vice governing valve of liquid ammonia (9) with the bottom intercommunication of liquid ammonia jar (13).
4. The apparatus for producing ammonium sulfate by using the pipeline rapid reactor for waste dilute sulfuric acid as claimed in claim 3, wherein: the input of circulating pump (3) with the tail end of main reaction pipe (1) links to each other, and its output links to each other with the house steward that divides pipe (16), the first branch pipe of two branch pipes (16) with ammonium sulfate hold up tank (14) intercommunication, its second branch pipe links to each other with the one end of circulating pipe (4), the other end of circulating pipe (4) with the inner chamber intercommunication of main reaction pipe (1).
5. The apparatus for producing ammonium sulfate by using the pipeline rapid reactor for waste dilute sulfuric acid as claimed in claim 4, wherein: and a PH meter (11) communicated with the inner cavity of the main pipe is arranged on the side wall of the main pipe of the secondary pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022938435.4U CN213651872U (en) | 2020-12-10 | 2020-12-10 | Device for producing ammonium sulfate by using waste dilute sulfuric acid and pipeline rapid reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022938435.4U CN213651872U (en) | 2020-12-10 | 2020-12-10 | Device for producing ammonium sulfate by using waste dilute sulfuric acid and pipeline rapid reactor |
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| Publication Number | Publication Date |
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| CN213651872U true CN213651872U (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022938435.4U Active CN213651872U (en) | 2020-12-10 | 2020-12-10 | Device for producing ammonium sulfate by using waste dilute sulfuric acid and pipeline rapid reactor |
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| CN (1) | CN213651872U (en) |
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