CN216548532U - Intelligent safe discharge apparatus of ammonium nitrate aqueous solution - Google Patents
Intelligent safe discharge apparatus of ammonium nitrate aqueous solution Download PDFInfo
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- CN216548532U CN216548532U CN202123426289.8U CN202123426289U CN216548532U CN 216548532 U CN216548532 U CN 216548532U CN 202123426289 U CN202123426289 U CN 202123426289U CN 216548532 U CN216548532 U CN 216548532U
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Abstract
The utility model discloses an intelligent safe unloading device for ammonium nitrate aqueous solution; belonging to the technical field of chemical equipment; the device is characterized by comprising a storage tank, wherein the top of the storage tank is communicated with a discharging pump through a metal pipe, the metal pipe is communicated with a discharging pneumatic ball valve, the inlet end of the discharging pump is communicated with a connecting pipe, the free end of the connecting pipe is communicated with a metal hose, the metal hose is communicated with the outlet end of a tank car, and the metal hose is sequentially connected with a discharging pneumatic valve and a discharging manual ball valve in a conduction manner along the discharging direction; the discharging pneumatic ball valve and the discharging pneumatic valve are electrically connected with an external control terminal; a filter is arranged on the connecting pipe, a steam pipeline is communicated with the connecting pipe between the filter and the discharging pump, and a steam purging pneumatic valve is arranged on the steam pipeline; a pipeline purging mechanism is communicated with a connecting pipe between the filter and the unloading manual ball valve; the utility model aims to provide an intelligent and safe ammonium nitrate aqueous solution discharging device which is safe to use, compact in structure and simple and convenient to operate.
Description
Technical Field
The utility model relates to an intelligent safe discharging device, in particular to an intelligent safe discharging device for an ammonium nitrate aqueous solution.
Background
The ammonium nitrate aqueous solution is a main raw material for producing explosives, but the ammonium nitrate aqueous solution inevitably has problems in the transportation and loading and unloading processes, such as easy crystallization, easy corrosion of equipment, easy personnel injury accidents and easy residual in a transportation tank car to influence the subsequent unloading operation.
At present, ammonium nitrate aqueous solution is mostly transported to explosive manufacturing enterprises by adopting a tank car, and the ammonium nitrate aqueous solution is discharged to a storage tank through a discharge pipeline, because the ammonium nitrate aqueous solution is influenced by temperature, the concentration of the ammonium nitrate aqueous solution can be greatly changed, the heat preservation measures of the existing discharge transportation pipeline are not perfect enough, the pipeline preheating function is not provided, and the crystallization phenomenon of ammonium nitrate is easily caused, so that the pipeline is blocked. Meanwhile, a vehicle-mounted discharging pump usually adopted can form a large amount of residues in a transport tank car and a pipeline in the discharging process of the ammonium nitrate aqueous solution, the existing material emptying device cannot completely discharge the residues completely, and the residual ammonium nitrate aqueous solution can form crystals, so that blockage and difficult cleaning are caused. In addition, the ammonium nitrate aqueous solution has certain corrosivity, and if leakage is caused by improper operation of working personnel in the unloading process, scalding and even serious accidents are caused to a human body.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent and safe ammonium nitrate aqueous solution discharging device which is safe to use, compact in structure and simple and convenient to operate, aiming at the defects of the prior art.
The technical scheme of the utility model is realized as follows: an intelligent safe unloading device for an ammonium nitrate aqueous solution comprises a storage tank, wherein the top of the storage tank is connected with an unloading pump through a metal pipe in a conduction manner, a discharging pneumatic ball valve is connected on the metal pipe in a conduction manner, the inlet end of the unloading pump is connected with a connecting pipe in a conduction manner, the free end of the connecting pipe is connected with a metal hose in a conduction manner, the metal hose is communicated with the outlet end of a tank car, and a discharging pneumatic valve and a discharging manual ball valve are sequentially connected on the metal hose in a conduction manner along the discharging direction; the discharging pump, the discharging pneumatic ball valve and the discharging pneumatic valve are electrically connected with an external control terminal;
a filter is arranged on the connecting pipe, a steam pipeline is connected on the connecting pipe between the filter and the discharging pump in a conduction manner, and a steam purging pneumatic valve electrically connected with an external control terminal is arranged on the steam pipeline; and a pipeline blowing and cleaning mechanism is connected on a connecting pipe between the filter and the unloading manual ball valve in a conduction manner.
In the intelligent safe unloading device for the ammonium nitrate aqueous solution, the connecting pipe between the filter and the unloading pump is connected with the T-shaped pneumatic three-way ball valve in a conduction mode, the outlet of the T-shaped pneumatic three-way ball valve is connected with the circulating pipe in a conduction mode, the free end of the circulating pipe is communicated with the bottom of the storage tank, and the circulating pneumatic valve is connected to the circulating pipe in a conduction mode.
In the intelligent safe discharge apparatus of ammonium nitrate aqueous solution, the pipeline is swept clearance mechanism and is swept the clearance pipe including turn-on connection on the connecting pipe between filter and the manual ball valve of unloading, sweeps clearance pipe free end and is linked together with outside air compressor, and turn-on connection has the air to sweep the valve on sweeping the clearance pipe, and turn-on connection has condenser tube on sweeping the clearance pipe between air sweep valve and connecting pipe, and condenser tube and outside cooling water pump are linked together, and turn-on connection has high-pressure cooling water valve on condenser tube.
In the above intelligent safe unloading device for ammonium nitrate aqueous solution, a plurality of acousto-optic early warning lamps electrically connected with an external control terminal are arranged on the peripheral side of the storage tank.
After the structure is adopted, the unloading pneumatic valve and the unloading manual ball valve are matched with each other, the unloading pneumatic valve and the steam pipeline can be isolated by closing the unloading manual ball valve when the pipeline is preheated, and the steam blowing pneumatic valve can be conveniently opened to preheat the pipeline without influencing the unloading pneumatic valve; when the discharging valve is opened, steam enters the metal hose to heat the discharging pneumatic valve and liquid in the tank car by opening the discharging manual ball valve, so that the discharging pneumatic valve is opened under the hydraulic action to discharge. Pipeline purge cleaning mechanism can clear up the clout that remains in the pipeline after the completion of unloading, avoids the clout to remain and causes the crystallization. The staff unloads through external control terminal remote control equipment, can effectively improve the work efficiency of unloading, prevents simultaneously to unload the in-process and causes the scald to the personnel, protection personnel safety.
Drawings
The utility model will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the utility model is not restricted.
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. a storage tank; 2. a metal tube; 2a, discharging pneumatic ball valves; 3. a discharge pump; 4. a connecting pipe; 4a, a T-shaped pneumatic three-way ball valve; 5. a metal hose; 5a, a discharging pneumatic valve; 5b, unloading a manual ball valve; 6. a filter; 7. a steam line; 7a, a steam purging pneumatic valve; 8. a pipeline cleaning mechanism; 8a, purging the cleaning pipe; 8b, an air purge valve; 8c, cooling water pipes; 8d, a high-pressure cooling water valve; 9. a circulation pipe; 9a, a circulating pneumatic valve; 10. acousto-optic early warning lamp.
Detailed Description
Referring to fig. 1, the intelligent safe unloading device for the ammonium nitrate aqueous solution comprises a storage tank 1, wherein the top of the storage tank 1 is in conduction connection with an unloading pump 3 through a metal pipe 2, the metal pipe 2 is in conduction connection with an unloading pneumatic ball valve 2a, the inlet end of the unloading pump 3 is in conduction connection with a connecting pipe 4, the free end of the connecting pipe 4 is in conduction connection with a metal hose 5, the metal hose 5 is communicated with the outlet end of a tank car, and the metal hose 5 is in sequential conduction connection with an unloading pneumatic valve 5a and an unloading manual ball valve 5b along the unloading direction; the discharging pump 3, the discharging pneumatic ball valve 2a and the discharging pneumatic valve 5a are electrically connected with an external control terminal.
A filter 6 is arranged on the connecting pipe 4, a steam pipeline 7 is connected on the connecting pipe 4 between the filter 6 and the discharging pump 3 in a conduction manner, and a steam purging pneumatic valve 7a electrically connected with an external control terminal is arranged on the steam pipeline 7; a pipeline cleaning mechanism 8 is connected to the connecting pipe 4 between the filter 6 and the manual unloading ball valve 5b in a conduction manner.
The unloading pneumatic valve 5a and the unloading manual ball valve 5b are matched with each other, the unloading pneumatic valve 5a and the steam pipeline 7 can be isolated by closing the unloading manual ball valve 5b when the preheating pipeline is arranged, and the steam blowing pneumatic valve 7a can be conveniently opened to preheat the pipeline without influencing the unloading pneumatic valve 5 a. And when unloading, by opening the manual ball valve 5b, steam enters the metal hose 5 to heat the air-operated valve 5a and the liquid in the tank car, so that the air-operated valve 5a is opened under the hydraulic action to unload.
Preferably, a T-shaped pneumatic three-way ball valve 4a is connected to a connecting pipe 4 between the filter 6 and the discharge pump 3 in a conduction manner, a circulating pipe 9 is connected to an outlet of the T-shaped pneumatic three-way ball valve 4a in a conduction manner, the free end of the circulating pipe 9 is communicated with the bottom of the storage tank 1, and a circulating pneumatic valve 9a is connected to the circulating pipe 9 in a conduction manner.
The T-shaped pneumatic three-way ball valve 4a, the circulating pipe 9 and the circulating pneumatic valve 9a are matched with each other, so that the ammonium nitrate aqueous solution in the storage tank 1 can be circularly heated, the flowability of the ammonium nitrate aqueous solution is improved, and crystallization in the storage tank 1 is prevented.
Preferably, the pipeline purging and cleaning mechanism 8 comprises a purging and cleaning pipe 8a which is in conduction connection with a connecting pipe 4 between the filter 6 and the unloading manual ball valve 5b, the free end of the purging and cleaning pipe 8a is communicated with an external air compressor, an air purging valve 8b is in conduction connection with the purging and cleaning pipe 8a, a cooling water pipe 8c is in conduction connection with the purging and cleaning pipe 8a between the air purging valve 8b and the connecting pipe 4, the cooling water pipe 8c is communicated with an external cooling water pump, and a high-pressure cooling water valve 8d is in conduction connection with the cooling water pipe 8 c.
The cooling water pipe 8c and the high-pressure cooling water valve 8d are mutually matched to introduce high-pressure cooling water into the pipeline, so that residual materials remained in the pipeline can be washed after the unloading is finished, and meanwhile, the temperature of the pipe wall is reduced. The purging and cleaning pipe 8a and the air purging valve 8b are matched with each other to introduce high-pressure air into the pipeline, so that residual materials remained in the pipeline can be cleaned up after the high-pressure cooling water is flushed, and crystallization caused by residual materials is avoided.
Preferably, a plurality of acousto-optic early warning lamps 10 electrically connected with an external control terminal are arranged on the peripheral side of the storage tank 1. When the discharging device is started, the acousto-optic early warning can warn surrounding workers, and the ammonium nitrate aqueous solution is prevented from being leaked to cause damage to the workers in the discharging process.
Preferably, the T-shaped pneumatic three-way ball valve 4a, the circulating pneumatic valve 9a, the air purge valve 8b and the high-pressure cooling water valve 8d are all electrically connected with an external control terminal. In this embodiment, the external control terminal is preferably a PLC controller, and the working principle and the connection with each valve body thereof are prior art and will not be described herein again.
Preferably, the unloading pump 3 is connected with a mechanical seal ring cold water pipe in a conduction manner, and a cooling water pneumatic valve is arranged on the mechanical seal ring cold water pipe. The mechanical seal ring cold water pipe and the cooling water pneumatic valve are matched with each other to seal when the discharging pump 3 discharges materials, so that leakage of ammonium nitrate water solution is avoided, and equipment and personnel safety are protected.
The working principle of the utility model is as follows: when the tank car carries out the unloading operation, the acousto-optic early warning lamp 10 is turned on, so that the free end of the metal hose 5 is communicated with the outlet end of the tank car; when the pipeline is preheated, the pneumatic ball valve 2a for discharging is opened, then the steam purge valve 7a is opened to preheat the discharging pipeline of the metal pipe 2, the connecting pipe 4 and the metal hose 5, the preheating time is 30-60 s, the pipeline is prevented from crystallizing during discharging, and the preheating time can be set according to the local actual temperature.
After the pipeline is preheated, closing the discharging pneumatic ball valve 2a, manually opening a discharging manual ball valve 5b on the metal hose 5, enabling steam entering from the steam purge valve 7a to enter the metal hose 5 for continuous heating, melting ammonium nitrate crystals in the tank car through heating, enabling the discharging pneumatic valve 5a to be opened by liquid pressure in the tank car at the moment when the crystals are heated and melted by the steam, enabling the steam to flush the tank car, enabling the indication value of a pressure transmitter in the tank car to be suddenly increased from 0 to a set value to generate a signal and transmitting the signal to an external control terminal, closing the steam purge valve 7a by the external control terminal, then opening the discharging pneumatic ball valve 2a, and simultaneously starting the discharging pump 3 to discharge the ammonium nitrate aqueous solution in the tank car; and when the unloading pump 3 is started, a cooling water pneumatic valve on a cold water pipe of the mechanical seal ring is opened.
When the ammonium nitrate aqueous solution in the tank car is discharged completely, the no-load current value of the discharging pump 3 generates a signal and transmits the signal to an external control terminal, the external control terminal controls to open the steam purge valve 7a to purge for 30-120 s, so that the ammonium nitrate aqueous solution is prevented from being crystallized in the tank car, the steam purge valve 7a is closed after purging is finished, the discharging pump 3 and the discharging pneumatic ball valve 2a are closed, the high-pressure cooling water valve 8d30s is opened, the pipeline residual material is flushed and the temperature of the pipeline wall is reduced, the high-pressure cooling water valve 8d is closed after 30s is opened, and the discharging pump 3 and the discharging pneumatic ball valve 2a are opened to discharge the cooling water in the pipeline.
When cooling water is discharged to be exhausted, a signal is generated by the no-load current value of the discharging pump 3 and is transmitted to an external control terminal, the external control terminal controls to open an air purging valve 8b and purge 25-35 s (the specific purging time is set according to the local practical application condition), excess materials in a pipeline can be purged, the excess materials are prevented from remaining, finally the discharging pump 3 and the discharging pneumatic ball valve 2a are closed, a cooling water pneumatic valve on a mechanical sealing ring cold water pipe is synchronously closed, and the acousto-optic early warning lamp 10 is closed, so that the discharging process of the ammonium nitrate aqueous solution is completed.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.
Claims (4)
1. The intelligent safe unloading device for the ammonium nitrate aqueous solution comprises a storage tank (1) and is characterized in that the top of the storage tank (1) is in conduction connection with an unloading pump (3) through a metal pipe (2), a pneumatic unloading ball valve (2a) is in conduction connection with the metal pipe (2), the inlet end of the unloading pump (3) is in conduction connection with a connecting pipe (4), the free end of the connecting pipe (4) is in conduction connection with a metal hose (5), the metal hose (5) is communicated with the outlet end of a tank car, and the metal hose (5) is in sequential conduction connection with an unloading pneumatic valve (5a) and an unloading manual ball valve (5b) along the unloading direction; the discharging pump (3), the discharging pneumatic ball valve (2a) and the discharging pneumatic valve (5a) are electrically connected with an external control terminal;
a filter (6) is arranged on the connecting pipe (4), a steam pipeline (7) is connected on the connecting pipe (4) between the filter (6) and the unloading pump (3) in a conduction manner, and a steam purging pneumatic valve (7a) electrically connected with an external control terminal is arranged on the steam pipeline (7); a pipeline cleaning mechanism (8) is connected on the connecting pipe (4) between the filter (6) and the unloading manual ball valve (5 b).
2. The intelligent safe unloading device for the aqueous ammonium nitrate solution according to claim 1, wherein a T-shaped pneumatic three-way ball valve (4a) is connected to a connecting pipe (4) between the filter (6) and the unloading pump (3) in a conduction manner, a circulating pipe (9) is connected to an outlet of the T-shaped pneumatic three-way ball valve (4a) in a conduction manner, a free end of the circulating pipe (9) is communicated with the bottom of the storage tank (1), and a circulating pneumatic valve (9a) is connected to the circulating pipe (9) in a conduction manner.
3. The intelligent safe unloading device for the aqueous ammonium nitrate solution according to claim 1, wherein the pipeline purging and cleaning mechanism (8) comprises a purging and cleaning pipe (8a) which is in conductive connection with a connecting pipe (4) between the filter (6) and the unloading manual ball valve (5b), the free end of the purging and cleaning pipe (8a) is communicated with an external air compressor, an air purging valve (8b) is in conductive connection with the purging and cleaning pipe (8a) between the air purging valve (8b) and the connecting pipe (4), a cooling water pipe (8c) is in conductive connection with the purging and cleaning pipe (8a), the cooling water pipe (8c) is communicated with an external cooling water pump, and a high-pressure cooling water valve (8d) is in conductive connection with the cooling water pipe (8 c).
4. The intelligent safe unloading device for the aqueous ammonium nitrate solution according to claim 1, characterized in that a plurality of acousto-optic warning lamps (10) electrically connected with an external control terminal are arranged on the periphery of the storage tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123426289.8U CN216548532U (en) | 2021-12-31 | 2021-12-31 | Intelligent safe discharge apparatus of ammonium nitrate aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123426289.8U CN216548532U (en) | 2021-12-31 | 2021-12-31 | Intelligent safe discharge apparatus of ammonium nitrate aqueous solution |
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| Publication Number | Publication Date |
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| CN216548532U true CN216548532U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123426289.8U Active CN216548532U (en) | 2021-12-31 | 2021-12-31 | Intelligent safe discharge apparatus of ammonium nitrate aqueous solution |
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| CN (1) | CN216548532U (en) |
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2021
- 2021-12-31 CN CN202123426289.8U patent/CN216548532U/en active Active
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Address after: 514700 7th floor, feicui oasis complex building, Gongyuan North Road, Meixian District, Meizhou City, Guangdong Province Patentee after: Guangdong Zhensheng Technology Group Co.,Ltd. Patentee after: GUANGDONG ZHENSHENG INTELLIGENT EQUIPMENT CO.,LTD. Patentee after: Guangdong 401 Factory Co.,Ltd. Address before: 514700 7th floor, feicui oasis complex building, Gongyuan North Road, Meixian District, Meizhou City, Guangdong Province Patentee before: GUANGDONG ZHENSHENG PACKAGING TECHNOLOGY Co.,Ltd. Patentee before: GUANGDONG ZHENSHENG INTELLIGENT EQUIPMENT CO.,LTD. Patentee before: Guangdong 401 Factory Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |