CN211078970U - Pipeline of preparation emulsion explosive sweeps anti-reflux device - Google Patents
Pipeline of preparation emulsion explosive sweeps anti-reflux device Download PDFInfo
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- CN211078970U CN211078970U CN201922128348.XU CN201922128348U CN211078970U CN 211078970 U CN211078970 U CN 211078970U CN 201922128348 U CN201922128348 U CN 201922128348U CN 211078970 U CN211078970 U CN 211078970U
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Abstract
The utility model discloses a pipeline purging backflow prevention device for preparing emulsion explosive, which belongs to the technical field of emulsion explosive processing equipment, and comprises a main steam pipe, a branch pipe, a steam storage bag, a connecting pipe, a conveying pipe and a water phase storage tank; a first pressure gauge, a pressure reducing valve, a second pressure gauge and a branch pipe are sequentially arranged on the main steam pipe along the steam conveying direction, and the other end of the branch pipe is communicated with the steam storage drum; the steam storage bag is communicated with the connecting pipe, the other end of the connecting pipe is communicated with the conveying pipe and the material return pipe through a pipe fitting tee joint, the other end of the material return pipe is communicated with the water phase storage tank, and the material return pipe is provided with a pneumatic valve. The utility model provides a preparation emulsion explosive's pipeline sweeps anti-reflux device can decompress or compensate steam pressure, can avoid the pipeline to sweep steam pressure transfinite and damage equipment, avoids sweeping the not enough aqueous phase solution material backward flow of pressure and advances the steam line, reaches saving production energy consumption, ensures the purpose of safety and serialization production.
Description
Technical Field
The utility model belongs to the technical field of emulsion explosive processing equipment, concretely relates to pipeline of preparation emulsion explosive sweeps anti-reflux unit.
Background
In recent years, with the implementation of national energy-saving and emission-reduction plans, civil explosive production enterprises actively respond to green production and manufacture, adopt ammonium nitrate aqueous solution to prepare industrial explosive, and obtain remarkable economic and social benefits. The Ministry of industry and belief in the guidance suggestion on improving the intrinsic safety level of the industrial explosive production line indicates that in order to reduce the number of explosive production online personnel and improve the intrinsic safety level of the production process, explosive production water phase preparation workshops of civil explosive production enterprises are independently built outside the safety distance of a production workshop. In the production process, the prepared high-temperature aqueous phase solution (aqueous phase solution consisting of ammonium nitrate, sodium nitrate and other additives at 90-110 ℃) is conveyed into storage tanks of various production workshops at intervals of 40min to be produced, and the aqueous phase solution is remained in the pipelines after the conveyance under the influence of height difference and conveying pressure, so that the aqueous phase solution is prevented from being cooled and agglomerated, and normal production needs are ensured, and the pipelines are required to be swept completely by steam.
The water phase solution conveying pipeline of the national explosion production enterprise is generally designed as follows: the main steam pipe → a common pressure reducing valve → a branch pipe → a ball valve → a connecting pipe → a material pipe, the pressure of the boiler steam with the total steam pressure of 0.4-0.6Mpa is reduced to 0.2-0.4Mpa through the common pressure reducing valve, and the branch pipes with the pipe diameter of 20-50mm are connected to a material conveying pipe and other equipment needing the steam in series and parallel, so that the blowing of the conveying pipeline is completed. By adopting the conveying scheme, certain defects exist in the actual operation process, and during the period of the lower limit of the steam pressure of the boiler, when the pipeline with large height difference and long pipeline is used, the pressure in the blowing process is insufficient, so that the phenomenon that materials flow back to enter a steam pipeline frequently occurs, and the safety and continuous production are influenced. In particular, the above-mentioned drawbacks are particularly pronounced when one aqueous phase preparation process is used for simultaneous production in a plurality of production lines, or when the conveying lines are arranged vertically or in an uphill manner due to site restrictions.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: how to solve the problem of conveying and refluxing of aqueous phase solution materials when a pipeline is blown and swept in the process of preparing the emulsion explosive.
In order to solve the technical problem, the utility model discloses a technical scheme be: a pipeline purging backflow prevention device for preparing emulsion explosive comprises a main steam pipe, branch pipes, a steam storage bag, a connecting pipe, a material conveying pipe and a water phase storage tank;
a first pressure gauge, a pressure reducing valve, a second pressure gauge and a first opening are sequentially arranged on the main steam pipe along the steam conveying direction, the first opening is communicated with a branch pipe, the other end of the branch pipe is communicated with a steam storage bag, and a first ball valve is arranged on the branch pipe;
the steam storage device is characterized in that a second opening is formed in the steam storage bag, the second opening is communicated with a connecting pipe, a second ball valve and a third pressure gauge are sequentially arranged on the connecting pipe along the steam conveying direction, the other end of the connecting pipe is communicated with a conveying pipe and a material return pipe through a pipe fitting tee joint, a third ball valve is arranged on the conveying pipe, the other end of the material return pipe is communicated with the water phase storage tank, a pneumatic valve is arranged on the material return pipe, and the pneumatic valve is linked with a conveying pump of the water phase solution conveying pipeline in an opening and closing mode.
The steam storage drum is provided with a third opening, the third opening is connected with a water conveying pipe, a water conveying valve is arranged on the water conveying pipe, and the third opening is arranged at the bottom of the steam storage drum.
The pressure reducing valve is a self-standing automatic compensation pressure reducing valve.
The steam storage drum is of a vertical cylindrical structure, and the volume of the steam storage drum is 25L.
The pneumatic valve is a manual-automatic integrated pneumatic valve, and the height of the pneumatic valve from the ground is larger than that of the connecting pipe from the ground.
The beneficial effects of the utility model reside in that: the utility model provides a preparation emulsion explosive's pipeline sweeps anti-reflux device, the vapor pressure of adjustable steam of sweeping can be decompressed or compensated to pressure, can avoid the pipeline to sweep steam pressure transfinite damage equipment, cause the problem of production loss and influence safety in production, can sweep the peak completely with aqueous phase solution material when steam pressure is in the low pressure again, avoid leading to aqueous phase solution material backward flow to enter steam pipeline and backward flow impact material pumping equipment etc. because of sweeping the pressure not enough, reach and practice thrift the production energy consumption, ensure the purpose of safe and continuous production; the pipeline purging backflow preventing device is widely applied to pipelines for preparing emulsion explosives, is suitable for various material conveying pipelines with height difference, is suitable for purging blowing agent pipelines in emulsion explosive sensitization procedures, and is simple in structure, low in required cost and convenient to reform and install, and crystallization agglomeration blocking pipelines appear after conveyed materials are cooled, and other material conveying pipelines needing purging are purged.
Drawings
FIG. 1 is a schematic structural diagram of a pipeline purging backflow prevention device for preparing emulsion explosive according to an embodiment of the present invention;
description of reference numerals: 1. a main steam pipe; 11. a first pressure gauge; 12. a pressure reducing valve; 13. a second pressure gauge; 2. a branch pipe; 21. a first ball valve; 3. a steam storage drum; 4. a connecting pipe; 41. a second ball valve; 42. a third pressure gauge; 5. a delivery pipe; 6. a water phase storage tank; 7. a material return pipe; 71. a pneumatic valve.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the structure capable of monitoring and adjusting the air pressure of the steam main pipe is arranged, and meanwhile, a steam storage drum, a water phase storage tank, a ball valve and a pressure gauge on a connecting pipeline are additionally arranged, so that the steam pressure in the pipeline is adjusted and controlled.
Referring to fig. 1, the pipeline purging backflow prevention device for preparing emulsion explosive of the present invention comprises a main steam pipe 1, a branch pipe 2, a steam storage bag 3, a connecting pipe 4, a material conveying pipe 5, a material return pipe 7, and a water phase storage tank 6;
a first pressure gauge 11, a pressure reducing valve 12, a second pressure gauge 13 and a first opening are sequentially arranged on the main steam pipe 1 along the steam conveying direction, the first opening is communicated with the branch pipe 2, the other end of the branch pipe 2 is communicated with the steam storage bag 3, and a first ball valve 21 is arranged on the branch pipe 2;
the steam storage bag 3 is provided with a second opening, the second opening is communicated with the connecting pipe 4, a second ball valve 41 and a third pressure gauge 42 are sequentially arranged on the connecting pipe 4 along the steam conveying direction, the other end of the connecting pipe 4 is communicated with the conveying pipe 5 and the return pipe 7 through pipe fitting tee joints, the conveying pipe 5 is provided with a third ball valve, the other end of the return pipe 7 is communicated with the water phase storage tank 6, the return pipe 7 is provided with a pneumatic valve 71, and the pneumatic valve 71 is opened and closed and linked with a conveying pump of the water phase solution conveying pipeline.
The utility model discloses a working process does: when purging, the delivery pump of the water phase solution delivery pipeline is closed, the pneumatic valve 71 is closed, steam is transmitted in the steam main pipe 1, the steam passes through the first pressure gauge 11 from the steam main pipe 1 and then sequentially passes through the pressure reducing valve 12 and the second pressure gauge 13, whether the pressure reducing valve 12 is opened or not is selected to reduce the pressure according to the pressure value of the first pressure gauge 11, after the second pressure gauge 13 is observed to keep stable steam pressure, the first ball valve 21 is opened, the steam enters the branch pipe 2 and then enters the steam storage bag 3, and then reaches the pipe fitting tee joint through the connecting pipe 4 provided with the second ball valve 41 and the third pressure gauge 42, the pneumatic valve is manually opened, the steam enters the return pipe 7, the residual water phase solution is purged to the water phase storage tank 6, and then the third ball valve is opened to complete purging of the.
From the above description, the beneficial effects of the present invention are: the utility model provides a preparation emulsion explosive's pipeline sweeps anti-reflux device, the vapor pressure of adjustable steam of sweeping can be decompressed or compensated to pressure, can avoid the pipeline to sweep steam pressure transfinite damage equipment, cause the problem of production loss and influence safety in production, can sweep the peak completely with aqueous phase solution material when steam pressure is in the low pressure again, avoid leading to aqueous phase solution material backward flow to enter steam pipeline and backward flow impact material pumping equipment etc. because of sweeping the pressure not enough, reach and practice thrift the production energy consumption, ensure the purpose of safe and continuous production; the pipeline purging backflow preventing device is widely applied to pipelines for preparing emulsion explosives, is suitable for various material conveying pipelines with height difference, is suitable for purging blowing agent pipelines in emulsion explosive sensitization procedures, and is simple in structure, low in required cost and convenient to reform and install, and crystallization agglomeration blocking pipelines appear after conveyed materials are cooled, and other material conveying pipelines needing purging are purged.
Further, a third opening is further formed in the steam storage drum 3 and connected with a water conveying pipe, a water conveying valve is arranged on the water conveying pipe, and the third opening is formed in the bottom of the steam storage drum 3.
From the above description, it can be known that, because the third opening is arranged at the bottom of the steam storage drum, the automatic water delivery valve is arranged below the steam storage drum, accumulated steam in the steam storage drum can be drained irregularly, and the stable cloud operation of the whole device is ensured.
Further, the pressure reducing valve 12 is a self-standing, self-compensating pressure reducing valve 12.
From the above description, it can be known that, by selecting the pressure reducing valve, the pressure reduction or the non-pressure reduction can be automatically controlled according to the pressure condition, the steam pressure on the steam main pipeline is kept stable, and the workload of manual pressure control operation is reduced.
Further, the steam storage drum 3 is of a vertical cylindrical structure, and the volume of the steam storage drum 3 is 25L.
From the above description, the steam storage drum with the vertical cylindrical structure is beneficial to stabilizing the purging steam pressure, and the steam storage drum with the above specification can meet the design and use requirements of the domestic conventional water phase solution conveying pipeline.
Further, the air-operated valve 71 is a manual-automatic integrated air-operated valve, and the height of the air-operated valve 71 from the ground is greater than that of the connecting pipe 4 from the ground.
From the above description, it can be known that the manual-automatic integrated pneumatic valve is adopted to facilitate the control, maintenance and inspection of the system, the pneumatic valve is linked with the delivery pump, and when the delivery pump is started, the pneumatic valve is opened; when the conveying pump is stopped, the pneumatic valve is automatically closed to control instant backflow when the materials are stopped to be conveyed, and the material pumping pump and the impact filter are prevented from being impacted.
Referring to fig. 1, a first embodiment of the present invention is:
a pipeline purging backflow prevention device for preparing emulsion explosive comprises a main steam pipe 1, branch pipes 2, a steam storage drum 3, a connecting pipe 4, a conveying pipe 5, a material return pipe 7 and a water phase storage tank 6;
a first pressure gauge 11, a pressure reducing valve 12, a second pressure gauge 13 and a first opening are sequentially arranged on the main steam pipe 1 along the steam conveying direction, the first opening is communicated with the branch pipe 2, the other end of the branch pipe 2 is communicated with the steam storage bag 3, and a first ball valve 21 is arranged on the branch pipe 2;
the steam storage bag 3 is provided with a second opening, the second opening is communicated with a connecting pipe 4, a second ball valve 41 and a third pressure gauge 42 are sequentially arranged on the connecting pipe 4 along the steam conveying direction, the other end of the connecting pipe 4 is communicated with a material conveying pipe 5 and a material return pipe 7 through a pipe fitting tee joint, the material conveying pipe 5 is provided with a third ball valve, the other end of the material return pipe 7 is communicated with a water phase storage tank 6, and the material return pipe 7 is provided with a pneumatic valve 71;
the steam storage drum 3 is also provided with a third opening, the third opening is connected with a water conveying pipe, a water conveying valve is arranged on the water conveying pipe, and the third opening is arranged at the bottom of the steam storage drum 3;
the pressure reducing valve 12 is a self-supporting automatic compensation pressure reducing valve 12;
the steam storage drum 3 is of a vertical cylindrical structure, and the volume of the steam storage drum 3 is 25L;
the pneumatic valve 71 is a manual-automatic integrated pneumatic valve, and the height of the pneumatic valve 71 from the ground is greater than that of the connecting pipe 4 from the ground.
To sum up, the utility model provides a preparation emulsion explosive's pipeline sweeps anti-reflux device, the vapor pressure of adjustable sweep steam can be decompressed or compensated to pressure, can avoid the pipeline to sweep that vapor pressure transfinites and damages equipment, cause the problem of production loss and influence safety in production, can sweep the peak completely with aqueous phase solution material when vapor pressure is in the low pressure again, avoid leading to aqueous phase solution material backward flow to enter the steam pipeline and backward flow impact material pumping equipment etc. because of sweeping the pressure not enough, reach and practice thrift the production energy consumption, ensure the purpose of safe and continuous production; the pipeline purging backflow preventing device is widely applied to pipelines for preparing emulsion explosives, is suitable for various material conveying pipelines with height difference, is suitable for purging blowing agent pipelines in emulsion explosive sensitization procedures, and is simple in structure, low in required cost and convenient to reform and install, and crystallization agglomeration blocking pipelines appear after conveyed materials are cooled, and other material conveying pipelines needing purging are purged.
The above mentioned is only the embodiment of the present invention, and 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. A pipeline purging backflow prevention device for preparing emulsion explosive is characterized by comprising a main steam pipe, branch pipes, a steam storage bag, a connecting pipe, a conveying pipe, a material return pipe and a water phase storage tank;
a first pressure gauge, a pressure reducing valve, a second pressure gauge and a first opening are sequentially arranged on the main steam pipe along the steam conveying direction, the first opening is communicated with a branch pipe, the other end of the branch pipe is communicated with a steam storage bag, and a first ball valve is arranged on the branch pipe;
the steam storage device is characterized in that a second opening is formed in the steam storage bag, the second opening is communicated with a connecting pipe, a second ball valve and a third pressure gauge are sequentially arranged on the connecting pipe along the steam conveying direction, the other end of the connecting pipe is communicated with a conveying pipe and a material return pipe through a pipe fitting tee joint, a third ball valve is arranged on the conveying pipe, the other end of the material return pipe is communicated with the water phase storage tank, a pneumatic valve is arranged on the material return pipe, and the pneumatic valve is linked with a conveying pump of the water phase solution conveying pipeline in an opening and closing mode.
2. The pipeline purging backflow prevention device for preparing the emulsion explosive according to claim 1, wherein a third opening is further formed in the steam storage drum and connected with a water conveying pipe, a water conveying valve is arranged on the water conveying pipe, and the third opening is formed in the bottom of the steam storage drum.
3. The line purging backflow prevention device for preparing an emulsion explosive according to claim 1, wherein the pressure reducing valve is a self-standing automatic compensation pressure reducing valve.
4. The line purging backflow prevention device for preparing emulsion explosive according to claim 1, wherein the steam storage drum is of a vertical cylinder structure, and the volume of the steam storage drum is 25L.
5. The pipeline purging backflow prevention device for preparing the emulsion explosive according to claim 1, wherein the pneumatic valve is an automated manual pneumatic valve, and the height of the pneumatic valve from the ground is greater than that of the connecting pipe from the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922128348.XU CN211078970U (en) | 2019-12-03 | 2019-12-03 | Pipeline of preparation emulsion explosive sweeps anti-reflux device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922128348.XU CN211078970U (en) | 2019-12-03 | 2019-12-03 | Pipeline of preparation emulsion explosive sweeps anti-reflux device |
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| Publication Number | Publication Date |
|---|---|
| CN211078970U true CN211078970U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922128348.XU Active CN211078970U (en) | 2019-12-03 | 2019-12-03 | Pipeline of preparation emulsion explosive sweeps anti-reflux device |
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| Country | Link |
|---|---|
| CN (1) | CN211078970U (en) |
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