Colloidal emulsion explosive production wastewater recycling system

Abstract

The utility model relates to the technical field of emulsion explosive cartridge production, in particular to a colloidal emulsion explosive production wastewater recycling system. Water with impurities in the cooling tank is pumped into the oil separation tank through the water drainage pipe, is subjected to multi-stage precipitation and filtration through the oil separation tank, and flows back to the cooling tank through the water return pipe after floating and suspending composite grease and paraffin are removed, so that the water in the cooling tank is purified; water in the cooling pond circularly flows in the emulsion matrix immersion cooling machine and the cooling pond through the circulating water pipe to be used for cooling the emulsion matrix immersion cooling machine, a branch water phase tank water adding pipe is connected to the circulating water pipe through the three-way valve, and circulating water is fed into the cooling pond according to the proportion of a liquid ammonium nitrate water phase tank. And part of circulating water is drained into the water-phase tank body and is used for production proportioning in the liquid ammonium nitrate water-phase tank, so that integrated treatment and recycling of wastewater generated in production of colloidal emulsion explosives are realized, and efficient recycling of the wastewater in the production process is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of emulsion explosive roll production, in particular to a wastewater recycling system for the production of colloidal emulsion explosives. Background Art

[0002] Colloidal emulsion explosives refer to a type of water-in-oil (W / O) emulsion-like aqueous industrial explosive prepared by emulsification technology, in which droplets of oxidant salt aqueous solution are uniformly dispersed in an oil phase continuous medium containing porous substances such as dispersed bubbles or hollow glass microspheres.

[0003] In the production process of colloidal emulsion explosives using the medium and low temperature sensitization process, the emulsion matrix that has formed an oil-in-water structure needs to be cooled, and wastewater is generated during the cooling process.

[0004] The wastewater generated during the production process contains ammonium nitrate, compound oils and paraffin, which will cause serious harm to the surrounding environment if discharged directly.

[0005] At present, the methods for treating wastewater generated in the production process of colloidal emulsion explosives mainly use biodegradation, physical precipitation, chemical neutralization and other technologies, all of which have disadvantages such as operating costs and complex subsequent treatment. Utility Model Content

[0006] The technical problem to be solved by the utility model is: how to carry out integrated treatment and recycling of waste water generated in the production of colloidal emulsion explosives, so as to realize efficient recycling of waste water in the production process.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] A colloidal emulsion explosive production wastewater recycling system includes a main drainage pipe, a cooling tank, a grease trap, a return pipe, a circulating water pipe, an emulsion matrix immersion chiller, a water phase tank body, and a water phase tank water supply pipe;

[0009] The starting end of the main drainage pipe is connected to the cooling pool, the end of the main drainage pipe is connected to the grease trap, and the main drainage pipe is connected to a drainage pump;

[0010] The starting end of the return pipe is connected to the grease trap, the end of the return pipe is connected to the cooling tank, and the starting end of the return pipe is connected to a first submersible pump arranged at the bottom of the grease trap;

[0011] The starting end of the circulating water pipe is connected to the cooling pool, the circulating water pipe flows through the emulsified matrix immersion chiller, the end of the circulating water pipe is connected to the return pipe, and the starting end of the circulating water pipe is connected to a second submersible pump arranged at the bottom of the cooling pool;

[0012] The starting end of the water-phase tank water-adding pipe is connected to the circulating water pipe through a three-way valve, and the end of the water-phase tank water-adding pipe is connected to the water-phase tank body.

[0013] Furthermore, the above-mentioned gelled emulsion explosive production wastewater recycling system also includes a charging device and a first branch drainage pipe, wherein the starting end of the first branch drainage pipe is connected to the charging device, and the end thereof is connected to the main drainage pipe.

[0014] Furthermore, the above-mentioned colloidal emulsion explosive production wastewater recycling system also includes packaging equipment and a second branch drainage pipe, wherein the starting end of the second branch drainage pipe is connected to the packaging equipment and the end thereof is connected to the main drainage pipe.

[0015] Furthermore, in the above-mentioned colloidal emulsion explosive production wastewater recycling system, the cooling pool is provided with an overflow pipe, and the starting end of the drainage main is connected to the overflow pipe.

[0016] Furthermore, in the above-mentioned colloidal emulsion explosive production wastewater recycling system, a filter screen is provided at the end of the return pipe.

[0017] Furthermore, in the above-mentioned colloidal emulsion explosive production wastewater recycling system, a liquid level controller is provided in the oil separator, and the liquid level controller is electrically connected to the first submersible pump.

[0018] The beneficial effect of the present invention is that the water in the cooling pool contains impurities such as compound grease and paraffin in the return water due to the circulation of the emulsified matrix immersion chiller. The water with impurities in the cooling pool is pumped into the grease trap by using a drainage pipe, and is subjected to multi-stage sedimentation and filtration in the grease trap to remove the floating compound grease and paraffin. The water is then returned to the cooling pool through the return pipe, so that the water in the cooling pool is purified. The water in the cooling pool is circulated in the emulsified matrix immersion chiller and the cooling pool through the circulating water pipe and is used for cooling the emulsified matrix immersion chiller. A branched water phase tank water addition pipe is connected to the circulating water pipe by a three-way valve. Part of the circulating water is drained into the water phase tank body according to the ratio of the liquid ammonium nitrate water phase tank and is used as the production ratio in the liquid ammonium nitrate water phase tank, thereby realizing integrated treatment and recycling of wastewater generated in the production of colloidal emulsion explosives and realizing efficient recycling of wastewater in the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a system for recycling wastewater from the production of colloidal emulsion explosives according to a specific embodiment of the utility model;

[0020] Description of labels:

[0021] 1. Main drain pipe; 11. Drain pump;

[0022] 2. Cooling tank; 21. Second submersible pump; 22. Overflow pipe;

[0023] 3. Grease trap; 31. First submersible pump;

[0024] 4. Return pipe;

[0025] 5. Circulating water pipe;

[0026] 6. Emulsified matrix immersion chiller;

[0027] 7. Water phase tank body;

[0028] 8. Water phase tank water supply pipe; 81. Three-way valve;

[0029] 9. Charging equipment; 91. First branch drain pipe;

[0030] 10. Packaging equipment; 101. Second branch drain pipe. DETAILED DESCRIPTION

[0031] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

[0032] Please refer to Figure 1 The specific embodiment of the utility model relates to a recycling system for wastewater from the production of colloidal emulsion explosives, comprising a main drainage pipe 1, a cooling pool 2, a grease trap 3, a return pipe 4, a circulating water pipe 5, an emulsion matrix immersion chiller 6, a water phase tank body 7 and a water phase tank water supply pipe 8;

[0033] The starting end of the main drainage pipe 1 is connected to the cooling pool 2, the end of the main drainage pipe 1 is connected to the grease trap 3, and the main drainage pipe 1 is connected to a drainage pump 11;

[0034] The starting end of the return pipe 4 is connected to the grease trap 3, and the end of the return pipe 4 is connected to the cooling pool 2. The starting end of the return pipe 4 is connected to a first submersible pump 31 provided at the lower part of the grease trap 3;

[0035] The starting end of the circulating water pipe 5 is connected to the cooling pool 2, the circulating water pipe 5 flows through the emulsified matrix immersion chiller 6, and the end of the circulating water pipe 5 is connected to the return pipe 4. The starting end of the circulating water pipe 5 is connected to the second submerged pump 21 provided at the lower part of the cooling pool 2;

[0036] The starting end of the water phase tank water supply pipe 8 is connected to the circulating water pipe 5 through a three-way valve 81 , and the end of the water phase tank water supply pipe 8 is connected to the water phase tank body 7 .

[0037] In the above embodiment, the water in the cooling pool 2 circulates through the emulsified matrix immersion chiller 6, and the return water contains impurities such as compound grease and paraffin. The water with impurities in the cooling pool 2 is pumped into the grease trap 3 through a drainage pipe, and after multi-stage sedimentation and filtration in the grease trap 3, the floating compound grease and paraffin are removed, and then the water is returned to the cooling pool 2 through the return pipe 4, so that the water in the cooling pool 2 is purified. The water in the cooling pool 2 is circulated in the emulsified matrix immersion chiller 6 and the cooling pool 2 through the circulating water pipe 5, and is used for cooling the emulsified matrix immersion chiller 6. A branched water phase tank water addition pipe 8 is connected to the circulating water pipe 5 using a three-way valve 81. Part of the circulating water is drained into the water phase tank body 7 according to the ratio of the liquid ammonium nitrate water phase tank, and is used as the production ratio in the liquid ammonium nitrate water phase tank, thereby realizing integrated treatment and recycling of wastewater generated in the production of colloidal emulsion explosives and realizing efficient recycling of wastewater in the production process.

[0038] As a preferred embodiment, it further includes a charging device 9 and a first branch drain pipe 91 , wherein the starting end of the first branch drain pipe 91 is connected to the charging device 9 , and the end thereof is connected to the main drain pipe 1 .

[0039] In the above embodiment, the wastewater generated by the charging equipment 9 is collected into the main drain pipe 1 through the first branch drain pipe 91 and enters the grease trap 3. Through multi-stage sedimentation and filtration, the floating and suspended composite grease and paraffin are removed, so that the wastewater generated by the charging equipment 9 can be fully utilized.

[0040] As a preferred embodiment, it further includes a packaging device 10 and a second branch drain pipe 101 , wherein the starting end of the second branch drain pipe 101 is connected to the packaging device 10 , and the end thereof is connected to the main drain pipe 1 .

[0041] In the above embodiment, the wastewater generated by the packaging equipment 10 is collected into the main drain pipe 1 through the second branch drain pipe 101 and enters the grease trap 3. Through multi-stage sedimentation and filtration, the floating and suspended composite grease and paraffin are removed, so that the wastewater generated by the charging equipment 9 can be fully utilized.

[0042] As a preferred embodiment, the cooling pool 2 is provided with an overflow pipe 22 , and the starting end of the main drainage pipe is connected to the overflow pipe 22 .

[0043] In the above embodiment, since the impurities in the water in the cooling pool 2 are mainly compound grease and paraffin, which are light in weight and float on the surface, the impurities floating on the water surface can be efficiently discharged into the grease trap 3 through the drain pipe through the overflow pipe 22.

[0044] As a preferred embodiment, a filter is provided at the end of the return water pipe 4 so that residual impurities in the return water are intercepted by the filter, thereby further improving the cleanliness of the water in the cooling pool 2 .

[0045] As a preferred embodiment, a liquid level controller is provided in the grease trap 3 , and the liquid level controller is electrically connected to the first submersible pump 31 .

[0046] In the above embodiment, when the liquid level in the grease trap 3 is higher than the preset threshold value, the liquid level controller controls the first submersible pump 31 to start, and pumps the treated water in the grease trap 3 into the cooling pool 2 through the return pipe. When the liquid level in the grease trap 3 is lower than the preset threshold value, the first submersible pump 31 is controlled to stop working.

[0047] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A system for recycling wastewater from the production of colloidal emulsion explosives, characterized in that: Including main drainage pipe, cooling tank, grease trap, return pipe, circulating water pipe, emulsified matrix immersion chiller, water phase tank body and water phase tank water pipe; The starting end of the main drainage pipe is connected to the cooling pool, the end of the main drainage pipe is connected to the grease trap, and the main drainage pipe is connected to a drainage pump; The starting end of the return pipe is connected to the grease trap, the end of the return pipe is connected to the cooling tank, and the starting end of the return pipe is connected to a first submersible pump arranged at the bottom of the grease trap; The starting end of the circulating water pipe is connected to the cooling pool, the circulating water pipe flows through the emulsified matrix immersion chiller, the end of the circulating water pipe is connected to the return pipe, and the starting end of the circulating water pipe is connected to a second submersible pump arranged at the bottom of the cooling pool; The starting end of the water-phase tank water-adding pipe is connected to the circulating water pipe through a three-way valve, and the end of the water-phase tank water-adding pipe is connected to the water-phase tank body.

2. The system for recycling wastewater from the production of colloidal emulsion explosives according to claim 1, characterized in that: It also includes a charging device and a first branch drain pipe, wherein the starting end of the first branch drain pipe is connected to the charging device, and the end thereof is connected to the main drain pipe.

3. The system for recycling wastewater from the production of colloidal emulsion explosives according to claim 1, characterized in that: It also includes a packaging device and a second branch drain pipe, wherein the starting end of the second branch drain pipe is connected to the packaging device, and the end end is connected to the main drain pipe.

4. The system for recycling wastewater from the production of colloidal emulsion explosives according to claim 1, characterized in that: The cooling pool is provided with an overflow pipe, and the starting end of the main drain pipe is connected to the overflow pipe.

5. The system for recycling wastewater from the production of colloidal emulsion explosives according to claim 1, characterized in that: A filter screen is provided at the end of the water return pipe.

6. The system for recycling wastewater from the production of colloidal emulsion explosives according to claim 1, characterized in that: A liquid level controller is provided in the oil separator, and the liquid level controller is electrically connected to the first submersible pump.

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