CN211896725U - Ammonium phosphate sulfate apparatus for producing - Google Patents
Ammonium phosphate sulfate apparatus for producing Download PDFInfo
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- CN211896725U CN211896725U CN202020277533.5U CN202020277533U CN211896725U CN 211896725 U CN211896725 U CN 211896725U CN 202020277533 U CN202020277533 U CN 202020277533U CN 211896725 U CN211896725 U CN 211896725U
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Abstract
The utility model provides an ammonium sulfate production device, includes ammonium sulfate dissolving tank, premixing groove, first reaction unit, second reaction unit, granulator and tail-washing device. The discharge port of the ammonium sulfate dissolving tank is connected with one feed inlet of the first reaction device, the discharge port of the premixing tank is connected with the other feed inlet of the first reaction device, the discharge port of the premixing tank is connected with one feed inlet of the second reaction device, the discharge pipelines of the first reaction device and the second reaction device are combined and connected with the feed inlet of the granulator, one discharge port of the granulator is connected with the feed inlet of the tail washing device, and the discharge port of the tail washing device is connected with one feed inlet of the premixing tank. The utility model discloses the device is the production ammonium phosphate sulfate product on the diammonium phosphate device, can realize and produce the device fast switch-over of ammonium dihydrogen phosphate product, and the nutrient content of the ammonium phosphate sulfate product of adopting this device to produce is high, and the effective substance content is high, and the granulation is effectual.
Description
Technical Field
The utility model relates to a ammonium sulfate production device, in particular to a device for producing ammonium sulfate products on the basis of an amino acid diammonium phosphate device.
Background
The ammonium sulfate phosphate is essentially monoammonium phosphate or a mixture of diammonium phosphate and ammonium sulfate, and the proportion of the monoammonium phosphate and the diammonium phosphate is determined by the content of nitrogen. The ammonium sulfate phosphate product is mainly used for crops needing more sulfur, such as rape, sugarcane, radish and the like, can improve the quality of the crops after being applied, improves the yield of the crops, improves the utilization rate of the fertilizer, and has good market prospect.
The varieties of ammonium sulfate phosphate on the market at present are mainly 14-34-0 and 16-20-0. The two production methods of the ammonium phosphate sulfate product include production by a diammonium phosphate device ammonia acid method and production by a sulfur-based compound fertilizer device slurry method, wherein the main raw materials are phosphoric acid, sulfuric acid and ammonia. The ammonium sulfate phosphate with the matching formula of 20-20-0-13S is a new variety which appears only in recent years, and domestic manufacturers try to produce the ammonium sulfate phosphate by using a traditional diammonium phosphate device and have not succeeded, and the problems are mainly poor granulation effect and serious equipment corrosion. Compared with the production of the traditional diammonium phosphate, the operation difficulty of the ammonium phosphate sulfate is higher, and the precision requirement is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a ammonium sulfate apparatus for producing is provided, realizes producing the ammonium sulfate product on the diammonium phosphate device, and the nutrient content of the ammonium sulfate product of adopting this device to produce is high, and the effective substance content is high, and the granulation is effectual.
The utility model adopts the technical proposal that: the utility model provides an ammonium phosphate sulfate apparatus for producing which characterized in that: comprises an ammonium sulfate dissolving tank, a premixing tank, a first reaction device, a second reaction device, a granulator and a tail washing device;
the discharge hole of the ammonium sulfate dissolving tank is connected with one feed inlet of the first reaction device, and the discharge hole of the premixing tank
The port is connected with the other feed inlet of the first reaction device, the discharge port of the premixing tank is connected with one feed inlet of the second reaction device, the discharge pipelines of the first reaction device and the second reaction device are combined and connected with the feed inlet of the granulator, one discharge port of the granulator is connected with the feed inlet of the tail washing device, and the discharge port of the tail washing device is connected with one feed inlet of the premixing tank.
The premixing tank is a storage tank with a coil pipe and a stirring device.
The first reaction device is a tubular reactor, a kettle type reactor, a tower type reactor, a fixed bed reactor, a fluidized bed reactor, a moving bed reactor or a trickle bed reactor; and introducing liquid ammonia and concentrated sulfuric acid into the first reaction device.
The second reaction device is a tubular reactor or a kettle type reactor or a tower type reactor or a fixed bed reactor or a fluidized bed reactor or a moving bed reactor or a trickle bed reactor. And introducing liquid ammonia into the second reaction device.
The granulator is a rotary drum granulator, a disc granulator, a spray granulator or a stirring tooth granulator.
The tail washing device is a tail washing tower; and dilute phosphoric acid liquid is introduced into the tail washing device.
The discharge port of the premixing tank is connected with the first reaction device and the second reaction device through a pipeline with a first pump;
and the discharge hole of the tail washing device is connected with one feed inlet of the premixing tank through a pipeline with a second pump.
And a discharge port of the granulator is connected with a feed port of the tail washing device through a pipeline with an exhaust fan.
The utility model has the advantages that:
1. the device is transformed on the basis of the ammonium dihydrogen phosphate production device, and can realize the quick switching with the device for producing the ammonium dihydrogen phosphate product.
2. The ammonium sulfate phosphate product produced by the device has high nutrient content, high effective substance content and good granulation effect.
Drawings
FIG. 1 shows an apparatus for producing ammonium sulfate phosphate.
In the figure: the system comprises an ammonium sulfate dissolving tank 1, a premixing tank 2, a first reaction device 3, a second reaction device 4, a granulator 5, a tail washing device 6, a first pump 7, a second pump 8 and an exhaust fan 9.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to an ammonium sulfate production device, which comprises an ammonium sulfate dissolving tank 1, a premixing tank 2, a first reaction device 3, a second reaction device 4, a granulator 5 and a tail washing device 6, preferably, the premixing tank 2 is a storage tank with a coil pipe and a stirring device, and the granulator 5 is a rotary drum granulator, a disc granulator, a spray granulator or a tooth-stirring granulator;
the discharge hole of the ammonium sulfate dissolving tank 1 is connected with a feed inlet of the first reaction device 3, and the discharge hole of the premixing tank 2
The material inlet is connected with another material inlet of the first reaction device 3, preferably, liquid ammonia and concentrated sulfuric acid are introduced into the first reaction device 3, the material outlet of the premixing tank 2 is connected with a material inlet of the second reaction device 4, preferably, liquid ammonia is introduced into the second reaction device 3, discharge pipelines of the first reaction device 3 and the second reaction device 4 are combined and connected with a material inlet of the granulator 5, a gas discharge port of the granulator 5 is connected with a material inlet of the tail washing device 6, gas is discharged after being washed by dilute phosphoric acid in the tail washing device 6, a material outlet of liquid obtained after washing of the dilute phosphoric acid in the tail washing device 6 is connected with a material inlet of the premixing tank 2, and recycling of the dilute phosphoric acid is realized.
By the structure, the device can be quickly switched with a device for producing ammonium dihydrogen phosphate products, is convenient to install and fix, saves the use cost, and is convenient to popularize.
In a preferred embodiment, the first reaction device 3 is a tubular reactor, a tank reactor, a tower reactor, a fixed bed reactor, a fluidized bed reactor, a moving bed reactor or a trickle bed reactor, and one of the devices may be selected.
In a preferred embodiment, the second reaction device 4 is a tubular reactor, a kettle reactor, a tower reactor, a fixed bed reactor, a fluidized bed reactor, a moving bed reactor, or a trickle bed reactor.
In a preferred scheme, the tail washing device 6 is a tail washing tower; and dilute phosphoric acid liquid is introduced into the tail washing device 6.
In a preferred scheme, a discharge port of the premixing tank 2 is connected with the first reaction device 3 and the second reaction device 4 through
A pipe connection with a first pump 7; and the discharge hole of the tail washing device 6 is connected with one feed inlet of the premixing tank 2 through a pipeline with a second pump 8.
In a preferred scheme, one discharge hole of the granulator 5 is connected with a feed hole of the tail washing device 6 through a pipeline with a suction fan 9.
The utility model relates to an ammonium phosphate sulfate production device is described by combining a specific embodiment.
The implementation process is as follows:
adding a certain amount of concentrated phosphoric acid into the premixing tank 2, simultaneously adding a certain amount of tail washing liquid of the tail washing tower into the premixing tank 2, starting a stirring paddle of the premixing tank 2, starting a steam coil pipe, and controlling the temperature in the premixing tank 2. After the slurry in the premixing tank 2 is uniformly mixed, the slurry in the premixing tank 2 is conveyed to the tubular reactor 3 and the tubular reactor 4 by a pump. And (3) introducing an ammonium sulfate solution, liquid ammonia and concentrated sulfuric acid into the tubular reactor 3, and introducing liquid ammonia into the tubular reactor 4. After the reaction is completed, the slurry in the tubular reactor 3 and the slurry in the tubular reactor 4 are mixed and enter a rotary drum granulator 5. And drying, screening, cooling and coating the coarse product obtained by granulation to obtain a finished ammonium phosphate sulfate product. And pumping out the tail gas in the granulator 5 by using an exhaust fan, washing the tail gas by using dilute phosphoric acid in a tail washing tower 6, and conveying the tail washing liquid into the premixing tank 2.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (8)
1. The utility model provides an ammonium phosphate sulfate apparatus for producing which characterized in that: comprises an ammonium sulfate dissolving tank (1), a premixing tank (2), a first reaction device (3), a second reaction device (4), a granulator (5) and a tail washing device (6);
the device comprises a ammonium sulfate dissolving tank (1), a discharge port of the ammonium sulfate dissolving tank (1) and a feed port of a first reaction device (3) are connected, a discharge port of a premixing tank (2) is connected with another feed port of the first reaction device (3), a discharge port of the premixing tank (2) is connected with a feed port of a second reaction device (4), the first reaction device (3) and a discharge pipeline of the second reaction device (4) are combined and connected with a feed port of a granulator (5), a discharge port of the granulator (5) is connected with a feed port of a tail washing device (6), and a discharge port of the tail washing device (6) is connected with a feed port of the premixing tank (2).
2. The ammonium phosphate sulfate production apparatus of claim 1, wherein: the premixing tank (2) is a storage tank with a disc pipe and a stirring device.
3. The ammonium phosphate sulfate production apparatus of claim 1, wherein: the first reaction device (3) is a tubular reactor or a kettle type reactor or a tower type reactor or a fixed bed reactor or a fluidized bed reactor or a moving bed reactor or a trickle bed reactor; liquid ammonia and concentrated sulfuric acid are introduced into the first reaction device (3).
4. The ammonium phosphate sulfate production apparatus of claim 1, wherein: the second reaction device (4) is a tubular reactor or a kettle-type reactor or a tower-type reactor or a fixed bed reactor or a fluidized bed reactor or a moving bed reactor or a trickle bed reactor; and liquid ammonia is introduced into the second reaction device (4).
5. The ammonium phosphate sulfate production apparatus of claim 1, wherein: the granulator (5) is a rotary drum granulator, a disc granulator, a spray granulator or a stirring tooth granulator.
6. The ammonium phosphate sulfate production apparatus of claim 1, wherein: the tail washing device (6) is a tail washing tower; and dilute phosphoric acid liquid is introduced into the tail washing device (6).
7. The ammonium phosphate sulfate production apparatus of claim 1, wherein: the discharge hole of the premixing tank (2) is connected with the first reaction device (3) and the second reaction device (4) through a pipeline with a first pump (7); and a discharge port at the bottom end of the tail washing device (6) is connected with a feed inlet of the premixing tank (2) through a pipeline with a second pump (8).
8. The ammonium phosphate sulfate production apparatus of claim 1, wherein: and a discharge hole of the granulator (5) is connected with a feed inlet of the tail washing device (6) through a pipeline with an exhaust fan (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020277533.5U CN211896725U (en) | 2020-03-09 | 2020-03-09 | Ammonium phosphate sulfate apparatus for producing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020277533.5U CN211896725U (en) | 2020-03-09 | 2020-03-09 | Ammonium phosphate sulfate apparatus for producing |
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| CN211896725U true CN211896725U (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430147A (en) * | 2020-11-24 | 2021-03-02 | 湖北三宁化工股份有限公司 | Method for producing ammonium phosphate sulfate by using diammonium phosphate device by using ammonia-acid method |
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2020
- 2020-03-09 CN CN202020277533.5U patent/CN211896725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430147A (en) * | 2020-11-24 | 2021-03-02 | 湖北三宁化工股份有限公司 | Method for producing ammonium phosphate sulfate by using diammonium phosphate device by using ammonia-acid method |
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