Excess material blowing device

By designing a residual material purging device, which utilizes a combination of high-pressure gas and a three-way valve, the automated recycling of residual materials in pipelines during the production of emulsion explosives has been achieved, solving safety hazards and economic issues, and improving the safety and environmental protection level of the production line.

CN223826089UActive Publication Date: 2026-01-23HENAN HUATONG CHEMICAL CO LTD
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Patent Information

Application Number
CN202520742661.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-01-23
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

In the current production of emulsion explosives, the recovery of residual matrix material in pipelines poses safety hazards and is uneconomical, making it difficult to achieve automation and efficient recovery.

Method used

A residual material purging device was designed, which uses high-pressure gas and multiple three-way valves to automatically purge the matrix conduit, discharge conduit and return conduit to recover residual material.

Benefits of technology

It achieves efficient recycling of waste materials, reduces production costs, improves safety and the automation level of the production line, reduces scald accidents, and achieves zero waste discharge and green production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of emulsion explosives, and discloses an excess material purging device which comprises a matrix pump, first purging three-way valves are fixed to the two output ends of the matrix pump, a three-way pipe is fixed to one end opening of each first purging three-way valve, an electric control valve is fixed to the output end of the three-way pipe, and the other end opening of each first purging three-way valve is fixed to the other end opening of each first purging three-way valve. A substrate guide pipe is fixed to the output end of the electric control valve, a backflow three-way valve is fixed to the end, away from the electric control valve, of the substrate guide pipe, a second blowing three-way valve and a discharging guide pipe are fixed to two ports of the backflow three-way valve respectively, and a backflow guide pipe is fixed to one output end of the second blowing three-way valve. The residual material recovery device realizes residual material recovery, saves cost and is safe and reliable in recovery process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to emulsion explosive technical field especially, it relates to the excess material purging device. BACKGROUND

[0002] After emulsion explosive production feed ends, need to the matrix excess material in the pipeline is purged and is recycled, manual field excess material purging collection mode and industry safety development plan and group '' man, machine, black '' special work requirement are contrary, for solving this key problem, realizes the production link optimization, and the excess material purging device is designed UTILITY MODEL CONTENT

[0003] The utility model aims at at least in a certain extent solves one of the technical problems in the related technical field. For this reason, one purpose of the utility model is to propose excess material purging device, realizes excess material recovery, saves the cost, and the recovery process is safe and reliable.

[0004] According to the excess material purging device proposed in the utility model, including the matrix pump, two output ends of the matrix pump are all fixed with first purging tee bend valve, one of the two first purging tee bend valve's ports is commonly fixed with tee bend pipe, the output end of the tee bend pipe is fixed with electric control valve, the output end of the electric control valve is fixed with matrix guide pipe, the one end of the matrix guide pipe away from the electric control valve is fixed with backflow tee bend valve, two ports of the backflow tee bend valve are fixed with second purging tee bend valve and discharge guide pipe respectively, one of the output ends of the second purging tee bend valve is fixed with backflow guide pipe.

[0005] Preferably, the top input end of the matrix pump is fixed with the matrix bin, and the top of the matrix bin is provided with a feeding port.

[0006] Preferably, the one end of the backflow guide pipe away from the second purging tee bend valve is fixed with the top of the matrix bin.

[0007] Preferably, the tee bend pipe includes one main discharge pipeline and two branch feeding pipelines.

[0008] Preferably, the port of the backflow tee bend valve connected with the matrix guide pipe is a feeding port, the port of the backflow tee bend valve connected with the discharge guide pipe is a discharge port, and the port of the backflow tee bend valve connected with the second purging tee bend valve is a backflow port.

[0009] Preferably, the last port of the first purging tee bend valve is fixed with a first pressurized gas pipe, and the last port of the second purging tee bend valve is fixed with a second pressurized gas pipe.

[0010] The utility model has the beneficial effects that:

[0011] 1. The use of high pressure gas in combination with the first purge tee valve and the second purge tee valve to realize the purging of the residual material in the substrate conduit, the discharge conduit and the reflux conduit, realize the recovery of the residual material in the pipeline, the direct economic benefit increases strongly, the average daily collection of residual material is 24 kg, according to the production of 250 days per year, the average unit price of each ton of explosive is 6000 yuan, the annual direct economic benefit reaches 36,000 yuan, the reuse of residual material becomes a new profit growth point; in terms of indirect economic benefit, the stable operation of equipment, the efficient use of manpower and the effective reduction of comprehensive cost due to quality improvement significantly enhance the market competitiveness of products;

[0012] 2. The safety accident rate is reduced, the labor environment of employees is greatly improved, the residual material is nearly 100% recycled, waste zero emission is realized, it becomes a green production model, and the environmental protection compliance risk is effectively avoided;

[0013] 3. The automatic cleaning of the residual material of the emulsion base delivery pipeline is realized, which not only reduces the production cost, but also improves the essential safety degree of the production line and eliminates the occupational health hazards. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The first perspective structural schematic view of the residual material purging device is provided for the utility model.

[0015] Fig. 2 The second perspective structural schematic view of the residual material purging device is provided for the utility model.

[0016] In the figure: 1, the substrate pump; 2, the first purge tee valve; 3, the tee pipe; 4, the electric control valve; 5, the substrate conduit; 6, the reflux tee valve; 7, the second purge tee valve; 8, the discharge conduit; 9, the reflux conduit; 10, the substrate bin; 11, the first pressurized gas pipe; 12, the second pressurized gas pipe. DETAILED DESCRIPTION

[0017] Referring to Figs. 1-2 , the residual material purging device comprises a substrate pump 1, both output ends of the substrate pump 1 are fixed with first purge tee valves 2, one of the two first purge tee valves 2 is fixed with a tee pipe 3, the output end of the tee pipe 3 is fixed with an electric control valve 4, the output end of the electric control valve 4 is fixed with a substrate conduit 5, the end, away from the electric control valve 4, of the substrate conduit 5 is fixed with a reflux tee valve 6, both ports of the reflux tee valve 6 are fixed with a second purge tee valve 7 and a discharge conduit 8 respectively, and one of the output ends of the second purge tee valve 7 is fixed with a reflux conduit 9.

[0018] The top input end of the substrate pump 1 is fixed with a substrate bin 10, and a feeding port is formed in the top of the substrate bin 10.

[0019] The end, away from the second purge tee valve 7, of the reflux conduit 9 is fixed with the top of the substrate bin 10.

[0020] The tee pipe 3 comprises a main discharge pipe and two branch feed pipes.

[0021] The port of the backflow tee valve 6 connected with the substrate pipe 5 is a feed port, the port of the backflow tee valve 6 connected with the discharge pipe 8 is a discharge port, and the port of the backflow tee valve 6 connected with the second purge tee valve 7 is a backflow port.

[0022] The last port of the first purge tee valve 2 is fixed with the first pressurized gas pipe 11, and the last port of the second purge tee valve 7 is fixed with the second pressurized gas pipe 12.

[0023] In addition to the above structure, a terminal controller and an air compressor are further included, each control valve is electrically connected with the terminal controller, and the air outlet end of the air compressor is fixedly connected with the first pressurized gas pipe 11 and the second pressurized gas pipe 12.

[0024] When the device is used, the first purge tee valve 2 and the electric control valve 4 are opened, at this time, the first purge tee valve 2 connects the output end of the substrate pump 1 and the substrate pipe 5, the first pressurized gas pipe 11 is closed, and the backflow tee valve 6 connects the substrate pipe 5 and the discharge pipe 8, the backflow pipe 9 is closed, at this time, the substrate pump 1 works, and the device as a whole normally discharges, and the material is discharged from the end of the discharge pipe 8;

[0025] When the discharge operation is finished, the passage of the backflow tee valve 6 is switched to connect the substrate pipe 5 and the backflow pipe 9, the discharge pipe 8 is closed, the second purge tee valve 7 connects the backflow tee valve 6 and the backflow pipe 9, the second pressurized gas pipe 12 is closed, the substrate pump 1 performs the last emptying action, that is, the substrate pump 1 automatically discharges all the materials in the cavity, the discharged materials enter the backflow pipeline, after emptying, the substrate pump 1 stops working, then the first purge tee valve 2 is switched to connect the first pressurized gas pipe 11 and the substrate pipe 5, the air compressor works, the high-pressure gas enters the backflow pipeline through the first pressurized gas pipe 11, and pushes the materials in each pipe to move, and finally, the materials are discharged from the end of the backflow pipe 9 and fall into the substrate bin 10;

[0026] After a period of purging, most of the material in the return pipeline is purged into the matrix chamber 10. At this point, the first purging three-way valve 2 can remain open. Switch the return three-way valve 6 to connect the matrix conduit 5 and the discharge conduit 8, and continue to purge with pressurized air. The target of purging is the material in the discharge conduit 8. Place a box at the end of the discharge conduit 8 to collect the purged material. In the return pipeline, switch the second purging three-way valve 7 to connect the second pressurized air pipe 12 and the return conduit 9, and close the port passage of the return three-way valve 6. With the second pressurized air pipe 12 open, high-pressure gas enters the return pipeline through the second pressurized air pipe 12 to continue purging until no more material is discharged from the discharge end of the discharge conduit 8 and the return conduit 9. Then, stop the air compressor and end the purging operation.

Claims

1. A residual material purging device, including a matrix pump, characterized in that: Both output ends of the substrate pump are fixed with a first purge three-way valve. One port of each of the two first purge three-way valves is fixed with a three-way pipe. An electric control valve is fixed to the output end of the three-way pipe. A substrate conduit is fixed to the output end of the electric control valve. A return three-way valve is fixed to the end of the substrate conduit away from the electric control valve. A second purge three-way valve and a discharge conduit are fixed to the two ports of the return three-way valve, respectively. A return conduit is fixed to one output end of the second purge three-way valve.

2. The residual material purging device according to claim 1, characterized in that: The substrate pump has a substrate hopper fixed at its top input end, and the substrate hopper has a feeding port at its top.

3. The residual material purging device according to claim 2, characterized in that: The end of the reflux conduit away from the second purge three-way valve is fixed to the top of the matrix chamber.

4. The residual material purging device according to claim 1, characterized in that: The tee pipe includes a main discharge pipe and two branch inlet pipes.

5. The residual material purging device according to claim 1, characterized in that: The port where the reflux three-way valve is connected to the matrix conduit is the feed port, the port where the reflux three-way valve is connected to the discharge conduit is the discharge port, and the port where the reflux three-way valve is connected to the second purge three-way valve is the reflux port.

6. The residual material purging device according to claim 1, characterized in that: The last port of the first purge three-way valve is fixed with a first pressurized air pipe, and the last port of the second purge three-way valve is fixed with a second pressurized air pipe.