Automatic quantitative heating and conveying device for TNT raw materials

Abstract

The utility model relates to the technical field of explosive preparation, and discloses a TNT raw material automatic quantitative heating and conveying device which comprises a mounting frame, a constant-temperature heating water tank is fixed to the inner bottom of the mounting frame, a hot water circulating pump is fixed to the top of the constant-temperature heating water tank, and a control electric box is fixed to the inner top of the mounting frame. A heating belt is obliquely fixed to the top of the mounting frame, a circulating pipe set is fixed between the heating belt and the constant-temperature heating water tank, and a TNT stock bin is fixed to the upper surface of the oblique low end of the heating belt. The device has the advantages of better heating uniformity, higher temperature control precision, convenience in installation and maintenance, capability of effectively improving the plasticity of TNT raw materials and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of explosive preparation, in particular to an automatic quantitative heating and conveying device for TNT raw materials. Background Art

[0002] The melting point of TNT is 80.7℃ and the freezing point is 80.2℃. The melting point and freezing point of industrial products are lower due to impurities. TNT is very brittle at 35℃, has a certain plasticity above 35℃, and becomes a plastic at 50℃. This plasticity can be used to press TNT into high-density pellets. Due to the temperature characteristics of TNT, this characteristic can be used to transport the raw materials in a suitable temperature environment, which can reduce the difficulty of transportation and improve the transportation efficiency. For this purpose, an automatic quantitative heating and transportation device for TNT raw materials is designed. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, one purpose of the utility model is to provide an automatic quantitative heating and conveying device for TNT raw materials, which has the advantages of better heating uniformity, higher temperature control accuracy, convenient installation and maintenance, and can effectively improve the plasticity of TNT raw materials.

[0004] The automatic quantitative heating and conveying device for TNT raw materials proposed by the utility model comprises a mounting frame, a constant temperature heating water tank is fixed to the inner bottom of the mounting frame, a hot water circulation pump is fixed to the top of the constant temperature heating water tank, a control electric box is fixed to the inner top of the mounting frame, a heating belt is fixed at an angle on the top of the mounting frame, a circulation pipe group is fixed between the heating belt and the constant temperature heating water tank, and a TNT silo is fixed to the upper surface of the inclined lower end of the heating belt.

[0005] Preferably, the circulation pipe group includes an inlet pipe and a return pipe, the inlet pipe is fixed between the hot water circulation pump and the heating belt, and the return pipe is fixed between the heating belt and the constant temperature heating water tank.

[0006] Preferably, the input end of the hot water circulation pump extends into the constant temperature heating water tank.

[0007] Preferably, a material cover is fixed above the heating belt.

[0008] Preferably, a driving mechanism is fixed to the side wall of the heating belt.

[0009] Preferably, the control electrical box is electrically connected to the driving mechanism and the hot water circulation pump respectively.

[0010] Preferably, a scraper is fixed to the inclined high end of the heating belt, and a drain pipe is fixed to the side wall of the inclined low end of the heating belt.

[0011] Preferably, a feeding port is provided on the side wall of the TNT silo, and a discharging port is provided on the side wall of the TNT silo away from the feeding port.

[0012] The beneficial effects of the utility model are: better heating uniformity, higher temperature control accuracy, convenient installation and maintenance, and the ability to effectively improve the plasticity of TNT raw materials, thereby improving the efficiency of long-distance transportation and facilitating subsequent quantitative weighing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram from the first perspective of the overall structure of the automatic quantitative heating and conveying device for TNT raw materials proposed by the utility model.

[0014] Figure 2 This is a schematic diagram from a second perspective of the overall structure of the automatic quantitative heating and conveying device for TNT raw materials proposed by the utility model.

[0015] In the figure: 1. Constant temperature heating water tank; 2. Hot water circulation pump; 3. Control electric box; 4. Heating belt; 5. Circulation pipe group; 51. Water inlet pipe; 52. Return pipe; 6. TNT silo; 61. Feeding port; 62. Discharging port; 7. Material cover; 8. Driving mechanism; 9. Scraper; 10. Drain pipe; 11. Mounting frame. DETAILED DESCRIPTION

[0016] Reference Figure 1-2 The automatic quantitative heating and conveying device for TNT raw materials includes a mounting frame 11, a constant temperature heating water tank 1 is fixed to the inner bottom of the mounting frame 11, a hot water circulation pump 2 is fixed to the top of the constant temperature heating water tank 1, a control electric box 3 is fixed to the inner top of the mounting frame 11, a heating belt 4 is fixed obliquely to the top of the mounting frame 11, a circulation pipe group 5 is fixed between the heating belt 4 and the constant temperature heating water tank 1, a TNT silo 6 is fixed to the upper surface of the inclined lower end of the heating belt 4, and the TNT raw materials are circulated and heated by the water temperature box.

[0017] The circulation pipe group 5 includes a water inlet pipe 51 and a water return pipe 52 . The water inlet pipe 51 is fixed between the hot water circulation pump 2 and the heating belt 4 , and the water return pipe 52 is fixed between the heating belt 4 and the constant temperature heating water tank 1 .

[0018] The input end of the hot water circulation pump 2 extends into the constant temperature heating water tank 1 .

[0019] A material cover 7 is fixed above the heating belt 4 .

[0020] A driving mechanism 8 is fixed to the side wall of the heating belt 4 .

[0021] The control electric box 3 is electrically connected to the driving mechanism 8 and the hot water circulation pump 2 respectively. When the TNT raw material is heated to a certain temperature, the plasticity of the TNT raw material will increase, and the whole system will automatically adjust the temperature and automatically deliver the raw material in a quantitative manner.

[0022] A scraper 9 is fixed to the inclined high end of the heating belt 4 , and a drain pipe 10 is fixed to the inclined low end side wall of the heating belt 4 .

[0023] A feeding port 61 is provided on the side wall of the TNT silo 6 , and a discharge port 62 is provided on the side wall of the TNT silo 6 away from the feeding port 61 .

[0024] When the device is used, the hopper containing TNT raw materials is lifted to a position higher than the TNT silo 6 by means of a hoist, and the TNT silo 6 is fed with materials. The TNT raw materials are discharged from the discharge port 62 and fall onto the surface of the heating belt 4. The driving mechanism 8 drives the heating belt 4 to move, so that the TNT raw materials fall evenly onto the surface of the guide belt. At the same time, the hot water circulation pump 2 is controlled to operate, and hot water is introduced from the constant temperature heating water tank 1 to the heating belt 4 through a conduit, and water circulation is realized. The heating belt 4 is heated, and the TNT raw materials can be heated by heat transfer. The heated TNT raw materials are discharged from the top of the heating belt 4 and enter the subsequent weighing operation.

Claims

1. Automatic quantitative heating and conveying device for TNT raw materials, characterized by: It comprises a mounting frame, a constant temperature heating water tank is fixed to the inner bottom of the mounting frame, a hot water circulation pump is fixed to the top of the constant temperature heating water tank, a control electric box is fixed to the inner top of the mounting frame, a heating belt is fixed at an angle on the top of the mounting frame, a circulation pipe group is fixed between the heating belt and the constant temperature heating water tank, and a TNT silo is fixed to the upper surface of the inclined lower end of the heating belt.

2. The automatic quantitative heating and conveying device for TNT raw materials according to claim 1 is characterized in that: The circulation pipe group includes a water inlet pipe and a water return pipe. The water inlet pipe is fixed between the hot water circulation pump and the heating belt, and the water return pipe is fixed between the heating belt and the constant temperature heating water tank.

3. The automatic quantitative heating and conveying device for TNT raw materials according to claim 1 is characterized in that: The input end of the hot water circulation pump extends into the constant temperature heating water tank.

4. The automatic quantitative heating and conveying device for TNT raw materials according to claim 1 is characterized in that: A material cover is fixed above the heating belt.

5. The automatic quantitative heating and conveying device for TNT raw materials according to claim 1 is characterized in that: A driving mechanism is fixed to the side wall of the heating belt.

6. The automatic quantitative heating and conveying device for TNT raw materials according to claim 5 is characterized in that: The control electric box is electrically connected to the driving mechanism and the hot water circulation pump respectively.

7. The automatic quantitative heating and conveying device for TNT raw materials according to claim 1 is characterized in that: A scraper is fixed on the inclined high end of the heating belt, and a drain pipe is fixed on the inclined low end side wall of the heating belt.

8. The automatic quantitative heating and conveying device for TNT raw materials according to claim 1 is characterized in that: A feeding port is provided on the side wall of the TNT silo, and a discharging port is provided on the side wall of the TNT silo away from the feeding port.

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