CN216946808U - Liquid ammonium nitrate circulating mixing and flushing system for powdery explosive - Google Patents
Liquid ammonium nitrate circulating mixing and flushing system for powdery explosive Download PDFInfo
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- CN216946808U CN216946808U CN202123446434.9U CN202123446434U CN216946808U CN 216946808 U CN216946808 U CN 216946808U CN 202123446434 U CN202123446434 U CN 202123446434U CN 216946808 U CN216946808 U CN 216946808U
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Abstract
The utility model discloses a circulating mixing and flushing system for liquid ammonium nitrate for powder explosives, which comprises a liquid ammonium storage tank, a material storage tank connected with the liquid ammonium storage tank through a liquid ammonium nitrate conveying pipeline, and a high-temperature high-pressure air inlet pipe communicated with the liquid ammonium nitrate conveying pipeline, wherein a liquid ammonium nitrate buffering discharge pipeline is arranged on the side surface of the liquid ammonium storage tank, a main electric brake valve and a magnetic conveying pump are arranged on a flange of the liquid ammonium nitrate buffering discharge pipeline, the end part of the liquid ammonium nitrate buffering discharge pipeline, far away from the liquid ammonium storage tank, is connected with a four-way valve flange, and a liquid ammonium nitrate circulating pipeline, a liquid ammonium nitrate flushing impurity discharge pipeline and a liquid ammonium nitrate conveying pipeline, one end of which is connected with the liquid ammonium storage tank, are respectively arranged on a valve port of the four-way valve flange. The utility model uses the heated high-pressure air to blow the conveying pipeline, thereby preventing the liquid ammonium nitrate from crystallizing and settling in the pipeline, further causing pipeline blockage and influencing the production efficiency.
Description
Technical Field
The utility model relates to the technical field of liquid ammonium nitrate processing, in particular to a liquid ammonium nitrate circulating mixing and flushing system for powdery explosives.
Background
For a long time, the existing industrial explosive production in China adopts solid ammonium nitrate to produce expanded explosives and emulsion explosives. However, the production mode has the defects of high comprehensive energy consumption, high failure of crushing equipment, high dust and noise in production and the like. Use liquid ammonium nitrate to make expanded explosive and emulsion explosive then can avoid above-mentioned problem, but use liquid ammonium nitrate to produce the explosive and need carry in the workshop holding vessel with the pipeline, thereby liquid ammonium nitrate easily crystallizes and subsides in transportation process and lead to the pipe blockage, bring inconvenience for production, liquid ammonium holding vessel can use mechanical stirring simultaneously, but owing to need erect relevant equipment at the tank deck and need longer (mixing) shaft, still need install (mixing) shaft stop device in the tank middle part and bring inconvenience for subsequent maintenance, in case the possibility that the ammonium nitrate crystallization still will stir the thick liquid and solidify in the jar. Therefore, the problem to be solved by those skilled in the art is how to provide a liquid ammonium nitrate circulating mixing and flushing system for powder explosives.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid ammonium nitrate circulating mixing and flushing system for powder explosives.
The liquid ammonium nitrate circulating mixing and flushing system for the powder explosives comprises a liquid ammonium storage tank, a material storage tank connected with the liquid ammonium storage tank through a liquid ammonium nitrate conveying pipeline, and a high-temperature high-pressure air inlet pipe communicated with the liquid ammonium nitrate conveying pipeline, wherein a liquid ammonium nitrate buffering discharge pipeline is mounted on the side surface of the liquid ammonium storage tank, a main electric brake valve and a magnetic conveying pump are mounted on a flange of the liquid ammonium nitrate buffering discharge pipeline, the end part, far away from the liquid ammonium storage tank, of the liquid ammonium nitrate buffering discharge pipeline is connected with a four-way valve flange, and a liquid ammonium nitrate circulating pipeline, a liquid flushing ammonium nitrate impurity discharge pipeline and a liquid ammonium nitrate conveying pipeline, of which one end is connected with the liquid ammonium storage tank, are respectively mounted on a valve port of the four-way valve flange;
liquid ammonium holding vessel is including a jar body, the pan feeding mouth of pipe has been seted up at jar body top, the internal vertical array of jar is provided with many pneumatic agitator pipes, the heating chamber has been seted up to jar side wall, the heating intracavity annular is installed steam heating coil, the internal jar of being provided with a jar body temperature sensor.
Preferably, the flange mounting has the electric gate valve of giving vent to anger in the high temperature high pressure air intake pipe, high temperature high pressure air intake pipe internally mounted has air temperature sensor and air pressure sensor, high temperature high pressure air intake pipe end portion is bayonet installs in liquid ammonium nitrate pipeline, just the arc stand pipe that bilateral symmetry set up is installed to high temperature high pressure air intake pipe tip.
Preferably, a storage tank temperature sensor and a storage tank liquid level meter are installed in the material storage tank.
Preferably, the top of the pneumatic stirring pipe penetrates through the tank body and extends upwards, the side surface of the pneumatic stirring pipe is provided with a plurality of side stirring nozzles, and the bottom end of the pneumatic stirring pipe is bent upwards and provided with a bottom stirring nozzle.
Preferably, the number of the material storage tanks is multiple, one end of the liquid ammonium nitrate conveying pipeline, which is far away from the liquid ammonium storage tank, is provided with a multidirectional conducting valve, and valve ports of the multidirectional conducting valve are respectively connected with the material storage tanks through segmented conveying pipelines.
Preferably, a circular electric gate valve is arranged on a flange of the liquid ammonium nitrate buffer discharge pipeline.
Preferably, a switch valve is arranged on the flange of the liquid ammonium nitrate flushing impurity pipeline.
The beneficial effects of the utility model are:
(1) the method uses the heated high-pressure air to sweep the conveying pipeline, so as to prevent the liquid ammonium nitrate from crystallizing and settling caused by long-term conveying in the pipeline, thereby causing pipeline blockage and influencing the production efficiency;
(2) according to the utility model, the side stirring nozzles and the bottom stirring nozzles on the plurality of steam heating coils can perform horizontal and vertical circulating mixing stirring on the materials in the tank body, and meanwhile, the steam heating coils can well control the mixing temperature in the tank body to be kept at a set temperature, so that the mixing temperature of ammonium nitrate is ensured, and meanwhile, a good circulating mixing effect can be achieved by matching with a circulating electric gate valve.
Drawings
In the drawings:
fig. 1 is a schematic structural diagram of a liquid ammonium nitrate circulating mixing and flushing system for powder explosive, which is provided by the utility model;
fig. 2 is a schematic structural diagram of a liquid ammonium storage tank in a circulating mixing and flushing system for liquid ammonium nitrate for powder explosives, which is provided by the utility model;
fig. 3 is a schematic structural diagram of a material storage tank in a liquid ammonium nitrate circulating mixing and flushing system for powder explosive according to the present invention;
fig. 4 is a schematic structural diagram of a liquid ammonium nitrate conveying pipeline in a liquid ammonium nitrate circulating mixing and flushing system for powder explosive, which is provided by the utility model.
In the figure: 1-a material storage tank, 2-a liquid ammonium storage tank, 21-a tank body, 22-a pneumatic stirring pipe, 23-a material inlet pipe orifice, 24-a tank body temperature sensor, 25-a heating chamber, 26-a steam heating coil, 3-a liquid ammonium nitrate conveying pipeline, 4-a liquid ammonium nitrate buffer discharge pipeline, 5-a high-temperature and high-pressure air inlet pipe, 6-a liquid ammonium nitrate circulating pipeline, 7-a liquid ammonium nitrate flushing impurity discharge pipeline, 8-a circulating electric gate valve, 9-a magnetic conveying pump, 10-a main electric gate valve, 11-a four-way valve, 12-a storage tank temperature sensor, 13-a storage tank liquid level meter, 14-an air temperature sensor, 15-an air pressure sensor, 16-an air outlet electric gate valve, 17-an arc guide pipe, a pressure sensor, a, 18-multi-way conductance valve.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. Referring to fig. 1-4, a circulating mixing and flushing system for liquid ammonium nitrate for powder explosives, which comprises a liquid ammonium storage tank 2, a material storage tank 1 connected with the liquid ammonium storage tank 2 through a liquid ammonium nitrate conveying pipeline 3, and a high-temperature high-pressure air inlet pipe 5 communicated with the liquid ammonium nitrate conveying pipeline 3, wherein the air pressure and temperature in the high-temperature high-pressure air inlet pipe 5 are determined according to actual requirements, so that high-pressure air heated in the high-temperature high-pressure air inlet pipe 5 can be cleaned at one time, the inside air can be heated and pressurized through an air compressor and a heater, a liquid ammonium nitrate buffer discharge pipeline 4 is installed on the side surface of the liquid ammonium storage tank 2, a main electric gate valve 10 and a magnetic conveying pump 9 are installed on the liquid ammonium nitrate buffer discharge pipeline 4 through flanges, and the end part, far away from the liquid ammonium storage tank 2, of the liquid ammonium nitrate buffer discharge pipeline 4 is connected with a four-way valve 11 through flanges, a liquid ammonium nitrate circulating pipeline 6, a liquid ammonium nitrate flushing impurity pipeline 7 and a liquid ammonium nitrate conveying pipeline 3, one end of which is connected with the liquid ammonium storage tank 2, are respectively arranged on a valve port of the four-way valve 11 in a flange manner, and the liquid ammonium nitrate flushing impurity pipeline 7 discharges impurities in the liquid ammonium nitrate conveying pipeline 3 flushed by high-pressure air;
the liquid ammonium storage tank 2 comprises a tank body 21, a feeding pipe opening 23 is formed in the top of the tank body 21, a plurality of pneumatic stirring pipes 22 are vertically arranged in the tank body 21 in an array mode, a heating cavity 25 is formed in the side wall of the tank body 21, a steam heating coil 26 is annularly arranged in the heating cavity 25, a tank body temperature sensor 24 is arranged in the tank body 21, the side stirring nozzles and the bottom stirring nozzles on the plurality of steam heating coils 26 can perform horizontal and vertical circulating mixing stirring on materials in the tank body 21, meanwhile, the steam heating coil 26 can well control the mixing temperature in the tank body 21 to be kept at 140 ℃ in 110-.
The flange mounting has the electronic gate valve 16 of giving vent to anger on the high temperature high-pressure air intake pipe 5, 5 internally mounted of high temperature high-pressure air intake pipe have air temperature sensor 14 and air pressure sensor 15, 5 tip insertingly install in liquid ammonium nitrate pipeline 3 in the high temperature high-pressure air intake pipe, and 5 tip mounting of high temperature high-pressure air intake pipe have the arc stand pipe 17 that bilateral symmetry set up, the direction high-pressure air that arc stand pipe 17 can be better washs in liquid ammonium nitrate pipeline 3.
A storage tank temperature sensor 12 and a storage tank liquid level meter 13 are arranged in the material storage tank 1.
The top of the pneumatic stirring pipe 22 penetrates through the tank body 21 and extends upwards, a plurality of side stirring nozzles are arranged on the side surface of the pneumatic stirring pipe 22, and the bottom end of the pneumatic stirring pipe 22 is bent upwards and provided with a bottom stirring nozzle.
The material storage tank 1 sets up to a plurality ofly, and the one end that liquid ammonium nitrate pipeline 3 kept away from liquid ammonium storage tank 2 is installed multidirectional valve 18 that switches on, and the valve port that multidirectional valve 18 switches on is connected respectively with material storage tank 1 through segmentation pipeline.
The upper flange of the liquid ammonium nitrate buffer discharge pipeline 4 is provided with a circular electric gate valve 8.
The liquid ammonium nitrate flushing impurity pipeline 7 is provided with a switch valve on a flange.
In this embodiment, the number of the material storage tanks 1 is two, and the two storage tanks are respectively a first storage tank and a second storage tank, and are connected with the liquid ammonium nitrate conveying pipeline 3 through the multi-way conduction valve 18.
The temperature of the high-pressure air inside the high-temperature high-pressure air inlet pipe 5 is measured through the air pressure sensor 15 and the air temperature sensor 14, and when the temperature and the pressure inside the high-temperature high-pressure air inlet pipe reach preset temperature and pressure, the high-temperature high-pressure air enters the liquid ammonium nitrate conveying pipeline 3 by opening the air outlet electric gate valve 16.
Liquid ammonium holding vessel 2 unloads, opens main electric gate valve 10 and magnetic force transfer pump 9, and the circulation electric gate valve 8 is opened in the control simultaneously and liquid ammonium holding vessel 2 carries out the circulation transport, stirs the liquid ammonium in jar body 21 through pneumatic stirring pipe 22 simultaneously, starts steam heating coil 26 and heats in jar body 21, temperature 120 + -5 ℃.
The method comprises the steps of starting to convey materials after the temperature of a liquid ammonium storage tank 2 reaches technological requirements, controlling to close a circulating electric gate valve 8, controlling to open a four-way valve 11 to convey the materials to a first storage tank, when a storage tank liquid level meter 13 in the first storage tank shows that the liquid level is full, automatically turning a multi-way conduction valve 18 to a second storage tank, when the storage tank liquid level meter 13 in the second storage tank shows that the liquid level is full, controlling to open the circulating electric gate valve 8 to circularly stir the liquid ammonium storage tank 2, and preventing the materials in the liquid ammonium storage tank 2 from crystallizing and precipitating.
After the materials in the first storage tank and the second storage tank are used, the air outlet electric gate valve 16 is controlled to be opened to blow or flush the liquid ammonium nitrate conveying pipeline 3, impurities after blowing are discharged through the liquid ammonium nitrate flushing impurity pipeline 7, and meanwhile, the pipelines of the first storage tank and the second storage tank are blown or flushed for standby.
It can be understood that the driving modes of the main electric gate valve 10, the air outlet electric gate valve 16, the circulating electric gate valve 8, the four-way valve 11 and the multidirectional conducting valve 18 in the utility model can be driven by an external power line, the control of the switches among the main electric gate valve 10, the air outlet electric gate valve 16, the circulating electric gate valve 8, the four-way valve 11 and the multidirectional conducting valve 18 can be programmed and controlled by a controller carried by the controller, and then the on-off control is carried out by a unified controller, and the control principle of the utility model can be realized by the existing control technology. The types of the pressure sensor, the temperature sensor, the main electric gate valve 10, the air outlet electric gate valve 16, the circulating electric gate valve 8, the four-way valve 11 and the multi-way conduction valve 18 are not limited to a single type, and can be types which are suitable for the utility model on the market, wherein the pressure sensor can be an explosion-proof intelligent pressure transmitter of WP362G-21AA-MDB4 type, and the temperature sensor can be an explosion-proof intelligent temperature transmitter of SBWZ-2480 type.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.
Claims (7)
1. A liquid ammonium nitrate circulating mixing and flushing system for powdery explosives is characterized by comprising a liquid ammonium storage tank, a material storage tank connected with the liquid ammonium storage tank through a liquid ammonium nitrate conveying pipeline, and a high-temperature high-pressure air inlet pipe communicated with the liquid ammonium nitrate conveying pipeline, wherein a liquid ammonium nitrate buffering discharge pipeline is mounted on the side surface of the liquid ammonium storage tank, a main electric brake valve and a magnetic conveying pump are mounted on a flange of the liquid ammonium nitrate buffering discharge pipeline, the end part, far away from the liquid ammonium storage tank, of the liquid ammonium nitrate buffering discharge pipeline is connected with a four-way valve flange, and a liquid ammonium nitrate circulating pipeline, a liquid flushing impurity discharge pipeline and a liquid ammonium nitrate conveying pipeline, of which one end is connected with the liquid ammonium storage tank, are respectively mounted on a valve port of the four-way valve flange;
liquid ammonium holding vessel is including a jar body, the pan feeding mouth of pipe has been seted up at jar body top, the internal vertical array of jar is provided with many pneumatic agitator pipes, the heating chamber has been seted up to jar side wall, the heating intracavity annular is installed steam heating coil, the internal jar of being provided with a jar body temperature sensor.
2. The liquid ammonium nitrate circulating mixing and flushing system for powder explosives in accordance with claim 1, wherein the high-temperature and high-pressure air inlet pipe is provided with an air outlet electric gate valve through a flange, the inside of the high-temperature and high-pressure air inlet pipe is provided with an air temperature sensor and an air pressure sensor, the end part of the high-temperature and high-pressure air inlet pipe is installed in a liquid ammonium nitrate conveying pipeline in an insertion manner, and the end part of the high-temperature and high-pressure air inlet pipe is provided with arc-shaped guide pipes which are symmetrically arranged left and right.
3. The liquid ammonium nitrate circulation mixing and flushing system for powder explosives in claim 1 is characterized in that a storage tank temperature sensor and a storage tank liquid level meter are installed in the material storage tank.
4. The circulating mixing and flushing system for liquid ammonium nitrate for powder explosives in claim 1, wherein the top of the pneumatic stirring pipe penetrates through the tank body and extends upwards, the side surface of the pneumatic stirring pipe is provided with a plurality of side stirring nozzles, and the bottom end of the pneumatic stirring pipe is bent upwards and provided with a bottom stirring nozzle.
5. The liquid ammonium nitrate circulating mixing and flushing system for powder explosives in claim 1, wherein the material storage tanks are arranged in a plurality of numbers, one end of the liquid ammonium nitrate conveying pipeline, which is far away from the liquid ammonium storage tank, is provided with a multi-way conduction valve, and valve ports of the multi-way conduction valves are respectively connected with the material storage tanks through segmented conveying pipelines.
6. The circulating mixing and flushing system for liquid ammonium nitrate used in powder explosives in claim 1 is characterized in that a circulating electric gate valve is arranged on a flange on the liquid ammonium nitrate buffer discharge pipeline.
7. The liquid ammonium nitrate circulating mixing and flushing system for powder explosives in claim 1 is characterized in that a switch valve is arranged on a flange of the liquid ammonium nitrate flushing impurity pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123446434.9U CN216946808U (en) | 2021-12-31 | 2021-12-31 | Liquid ammonium nitrate circulating mixing and flushing system for powdery explosive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123446434.9U CN216946808U (en) | 2021-12-31 | 2021-12-31 | Liquid ammonium nitrate circulating mixing and flushing system for powdery explosive |
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| CN216946808U true CN216946808U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123446434.9U Active CN216946808U (en) | 2021-12-31 | 2021-12-31 | Liquid ammonium nitrate circulating mixing and flushing system for powdery explosive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116116844A (en) * | 2023-02-02 | 2023-05-16 | 海洋之星宠物食品(佛山)有限公司 | Cleaning system of fresh meat treatment equipment for pet food |
| CN116689412A (en) * | 2023-08-09 | 2023-09-05 | 琥崧智能装备(太仓)有限公司 | Lithium iron phosphate pipeline cleaning system and cleaning control method thereof |
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2021
- 2021-12-31 CN CN202123446434.9U patent/CN216946808U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116116844A (en) * | 2023-02-02 | 2023-05-16 | 海洋之星宠物食品(佛山)有限公司 | Cleaning system of fresh meat treatment equipment for pet food |
| CN116116844B (en) * | 2023-02-02 | 2023-12-29 | 海洋之星宠物食品(佛山)有限公司 | Cleaning system of fresh meat treatment equipment for pet food |
| CN116689412A (en) * | 2023-08-09 | 2023-09-05 | 琥崧智能装备(太仓)有限公司 | Lithium iron phosphate pipeline cleaning system and cleaning control method thereof |
| CN116689412B (en) * | 2023-08-09 | 2023-10-27 | 琥崧智能装备(太仓)有限公司 | Lithium iron phosphate pipeline cleaning system and cleaning control method thereof |
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