CN214436540U - Calcium ammonium nitrate concentration device - Google Patents
Calcium ammonium nitrate concentration device Download PDFInfo
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- CN214436540U CN214436540U CN202120143425.3U CN202120143425U CN214436540U CN 214436540 U CN214436540 U CN 214436540U CN 202120143425 U CN202120143425 U CN 202120143425U CN 214436540 U CN214436540 U CN 214436540U
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Abstract
The utility model provides a technical field of calcium ammonium nitrate enrichment facility belongs to the technical field of the concentrated system of fertilizer, include: the device comprises an ammonium nitrate storage tank, a first concentration tower, a second concentration tower, a concentrated solution intermediate storage tank, a calcium nitrate storage tank, a preparation tank and a third concentration tower, wherein the ammonium nitrate storage tank, the first concentration tower, the second concentration tower, the concentrated solution intermediate storage tank, the preparation tank and the third concentration tower are sequentially connected through pipe fittings, the calcium nitrate storage tank is connected with the preparation tank through pipe fittings, the pipe fittings are obliquely arranged, when the ammonium nitrate is evaporated by the first concentration tower and the second concentration tower and enters the concentrated solution intermediate storage tank, the concentrated solution and the calcium nitrate solution enter the preparation tank for preparation to generate calcium ammonium nitrate, the calcium ammonium nitrate comes out from the preparation tank and enters the third concentration tower for evaporation, when the machine is stopped, the materials in the pipe fittings quickly flow back to the connected device because all the pipe fittings are obliquely arranged, the risk of stagnation and crystallization of materials in the pipe fitting is reduced, the pipe fitting is prevented from being blocked, and the normal production of the calcium ammonium nitrate is ensured.
Description
Technical Field
The utility model relates to a technical field of fertilizer enrichment system, concretely relates to calcium ammonium nitrate enrichment facility.
Background
Calcium ammonium nitrate is also called as ammoniated calcium nitrate, white round particles, and is a novel high-efficiency compound fertilizer containing nitrogen and quick acting, calcium ammonium nitrate slurry needs to be prepared by evaporation and concentration in the production process of the calcium ammonium nitrate, when the machine is stopped, calcium nitrate, ammonium nitrate and calcium ammonium nitrate conveyed in a pipe stay in a pipeline, the calcium nitrate, the ammonium nitrate and the calcium ammonium nitrate are easy to crystallize due to temperature drop, and the crystallized particles are hard, so that the pipeline is easy to block and difficult to clean.
Disclosure of Invention
In view of this, the utility model provides a calcium ammonium nitrate enrichment facility to solve in calcium ammonium nitrate production process, calcium nitrate, ammonium nitrate and calcium ammonium nitrate easily crystallize the technical problem that causes the pipeline to block up. The utility model provides a technical scheme that its technical problem adopted is:
a calcium ammonium nitrate concentration plant comprising: the device comprises an ammonium nitrate storage tank, a first concentration tower, a second concentration tower, a concentrated solution intermediate storage tank, a calcium nitrate storage tank, a preparation tank and a third concentration tower, wherein the ammonium nitrate storage tank, the first concentration tower, the second concentration tower, the concentrated solution intermediate storage tank, the preparation tank and the third concentration tower are sequentially connected through pipe fittings, the calcium nitrate storage tank is connected with the preparation tank through pipe fittings, and the pipe fittings are obliquely arranged.
Preferably, centrifugal pumps are arranged at outlets of the ammonium nitrate storage tank, the first concentration tower, the second concentration tower, the concentrated solution intermediate storage tank, the calcium nitrate storage tank, the preparation tank and the third concentration tower and are used for conveying materials in the pipe fitting.
Preferably, the included angle between the pipe fitting and the horizontal direction is 5-60 degrees.
Preferably, the surface of the pipe is provided with a heat preservation layer.
Preferably, the inlets of the centrifugal pumps are provided with steam purging pipelines.
Preferably, a control valve is arranged on the steam purging pipeline.
Preferably, the top of each of the first concentrating tower, the second concentrating tower and the third concentrating tower is provided with a negative pressure pipeline.
Preferably, the ammonium nitrate storage tank, the concentrated solution intermediate storage tank, the calcium nitrate storage tank and the preparation tank are all provided with heat preservation coil pipes.
According to the technical scheme, the ammonium nitrate storage tank, the first concentration tower, the second concentration tower, the concentrated solution intermediate storage tank, the preparation tank and the third concentration tower are sequentially connected through the pipe fitting, the calcium nitrate storage tank is connected with the preparation tank through the pipe fitting, and the pipe fitting is obliquely arranged. When the ammonium nitrate enters the top of the first concentration tower through the storage tank of the ammonium nitrate storage tank, the concentrated solution is evaporated through the first concentration tower, the concentrated solution comes out from the tower kettle of the first concentration tower, enters the second concentration tower and is evaporated, the concentrated solution of the second concentration tower comes out from the tower kettle of the second concentration tower and enters the concentrated solution intermediate storage tank, the concentrated solution of the concentrated solution intermediate storage tank and the calcium nitrate of the calcium nitrate storage tank enter the preparation tank for preparation, calcium ammonium nitrate is generated after preparation and mixing, the calcium ammonium nitrate comes out from the preparation tank and enters the third concentration tower, the concentrated solution of the calcium ammonium nitrate enters the granulation device through the tower kettle of the third concentration tower, all the pipe fittings are obliquely arranged, when the machine is stopped, the materials in the pipe fittings rapidly flow back to the connected device, and the risk of stagnation and crystallization of the concentrated solution of the ammonium nitrate, the concentrated solution of the calcium nitrate and the concentrated solution of the ammonium nitrate in the pipe fittings is reduced, avoid causing the pipe fitting is regular to be blockked up, ensures the normal production of calcium ammonium nitrate.
Drawings
Fig. 1 is a schematic diagram of a calcium ammonium nitrate concentration unit.
In the figure: the device comprises a calcium ammonium nitrate concentration device 10, an ammonium nitrate storage tank 100, a first concentration tower 110, a second concentration tower 120, a concentrated solution intermediate storage tank 130, a calcium nitrate storage tank 200, a preparation tank 300, a third concentration tower 310, a pipe fitting 400, a steam purging pipeline 410, a control valve 4111, a negative pressure pipeline 420, a centrifugal pump 500 and a horizontal pipeline 510.
Detailed Description
The following combines the utility model discloses an attached drawing is right the technical scheme and the technological effect of the embodiment of the utility model are further elaborated.
Referring to fig. 1, a calcium ammonium nitrate concentration apparatus includes: the device comprises an ammonium nitrate storage tank 100, a first concentration tower 110, a second concentration tower 120, a concentrated solution intermediate storage tank 130, a calcium nitrate storage tank 200, a preparation tank 300 and a third concentration tower 310, wherein the ammonium nitrate storage tank 100, the first concentration tower 110, the second concentration tower 120, the concentrated solution intermediate storage tank 130, the preparation tank 300 and the third concentration tower 310 are sequentially connected through a pipe 400, the calcium nitrate storage tank 200 is connected with the preparation tank 300 through the pipe 400, and the pipe 400 is obliquely arranged; when the ammonium nitrate enters the top of the first concentration tower 110 through the storage tank of the ammonium nitrate storage tank 100, is evaporated by the first concentration tower 110, a concentrated solution comes out from the tower kettle of the first concentration tower 110, enters the second concentration tower 120, is evaporated, a concentrated solution of the second concentration tower 120 comes out from the tower kettle of the second concentration tower 120, enters the concentrated solution intermediate storage tank 130, a concentrated solution of the concentrated solution intermediate storage tank 130 and calcium nitrate of the calcium nitrate storage tank 200 enter the preparation tank 300 for preparation, calcium ammonium nitrate is generated after preparation and mixing, calcium ammonium nitrate comes out from the preparation tank 300 and enters the third concentration tower, a calcium ammonium nitrate concentrated solution is conveyed to a granulation device through the tower kettle of the third concentration tower, all the pipe fittings 400 are obliquely arranged, when the pipe fittings 400 work intermittently, materials in the pipe fittings 400 rapidly slide down to the connected device, and the risk of stagnation and crystallization of the ammonium nitrate concentrated solution, the calcium nitrate concentrated solution and the calcium concentrated solution in the pipe fittings 400 is reduced, the frequent blockage of the pipe fitting 400 is avoided, and the normal production of the calcium ammonium nitrate is guaranteed.
Further, centrifugal pumps 500 are arranged at the outlets of the ammonium nitrate storage tank 100, the first concentration tower 110, the second concentration tower 120, the concentrated solution intermediate storage tank 130, the calcium nitrate storage tank 200, the preparation tank 300 and the third concentration tower 310, the centrifugal pumps 500 are used for conveying materials in the pipe fitting 400, and when the centrifugal pumps 500 stop conveying the materials, the materials immediately return to the corresponding devices from the pipelines and do not stagnate in the pipelines to crystallize.
Still further, the included angle between the pipe 400 and the horizontal direction is 5-60 degrees.
Specifically, the surface of the pipe 400 is provided with a heat preservation part, which can be provided with an electric heating wire or a steam heat tracing pipe, and can be added with heat preservation cotton on the basis of the heat tracing pipe. When the material is transported through the pipe 400, the temperature drop speed of the material in the pipe 400 is reduced, and the material is prevented from crystallizing in the flowing process of the pipe 400.
More specifically, the inlets of the centrifugal pumps 500 are all provided with steam purging pipelines 410; when the pump is stopped, the materials flow down from the inclined pipeline and return to the inlet of the centrifugal pump 500, as the inlet of the centrifugal pump 500 is connected with corresponding equipment through the horizontal pipeline 510, a little of the materials are accumulated in the horizontal pipeline 510, the steam purging pipeline 410 is arranged at the inlets of all the centrifugal pumps 500, the control valve 4111 is opened, the materials are purged by the steam and all the materials return to the corresponding equipment, and the situation that the materials are crystallized in the horizontal pipeline 510 to block the pipeline is avoided.
Further, a control valve 4111 is disposed on the steam purge line 410.
Still further, the top of each of the first concentrating tower 110, the second concentrating tower 120, and the third concentrating tower 310 is provided with a negative pressure pipeline 420 to provide a negative pressure state for the first concentrating tower 110, the second concentrating tower 120, and the third concentrating tower 310.
Specifically, the ammonium nitrate storage tank 100, the concentrated solution intermediate storage tank 130, the calcium nitrate storage tank 200 and the preparation tank 300 are all provided with heat preservation coil pipes, so that the ammonium nitrate is prevented from crystallizing in the ammonium nitrate storage tank 100, the concentrated solution of the ammonium nitrate in the concentrated solution intermediate storage tank 130 and the calcium nitrate in the calcium nitrate storage tank 200.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A calcium ammonium nitrate concentration device is characterized by comprising: the device comprises an ammonium nitrate storage tank, a first concentration tower, a second concentration tower, a concentrated solution intermediate storage tank, a calcium nitrate storage tank, a preparation tank and a third concentration tower, wherein the ammonium nitrate storage tank, the first concentration tower, the second concentration tower, the concentrated solution intermediate storage tank, the preparation tank and the third concentration tower are sequentially connected through pipe fittings, the calcium nitrate storage tank is connected with the preparation tank through pipe fittings, and the pipe fittings are obliquely arranged.
2. The calcium ammonium nitrate concentrating device according to claim 1, wherein centrifugal pumps are arranged at outlets of the ammonium nitrate storage tank, the first concentrating tower, the second concentrating tower, the concentrated solution intermediate storage tank, the calcium nitrate storage tank, the preparation tank and the third concentrating tower and are used for conveying materials in pipe fittings.
3. The calcium ammonium nitrate concentrator as claimed in claim 1, wherein the angle between the pipe member and the horizontal direction is 5-60 °.
4. The calcium ammonium nitrate concentrator as claimed in claim 1, wherein the surface of the pipe member is provided with a heat insulating member.
5. The calcium ammonium nitrate concentrator as claimed in claim 2, wherein the inlets of the centrifugal pumps are provided with steam purging lines.
6. The calcium ammonium nitrate concentrator as claimed in claim 5, wherein the steam purge line is provided with a control valve.
7. The calcium ammonium nitrate concentrating device according to claim 1, wherein the tops of the first concentrating tower, the second concentrating tower and the third concentrating tower are provided with negative pressure pipelines.
8. The calcium ammonium nitrate concentrating device according to claim 1, wherein the ammonium nitrate storage tank, the concentrated solution intermediate storage tank, the calcium nitrate storage tank and the preparation tank are all provided with heat-preservation coil pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120143425.3U CN214436540U (en) | 2021-01-19 | 2021-01-19 | Calcium ammonium nitrate concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120143425.3U CN214436540U (en) | 2021-01-19 | 2021-01-19 | Calcium ammonium nitrate concentration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214436540U true CN214436540U (en) | 2021-10-22 |
Family
ID=78112482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120143425.3U Active CN214436540U (en) | 2021-01-19 | 2021-01-19 | Calcium ammonium nitrate concentration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214436540U (en) |
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2021
- 2021-01-19 CN CN202120143425.3U patent/CN214436540U/en active Active
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