Hydrogen and nitrogen protection device for bright annealing of copper pipe

Abstract

The utility model discloses a copper pipe bright annealing hydrogen and nitrogen protection device which comprises a machine frame, a proportioning tank is installed at the upper end of the machine frame, a filtering pipeline is installed at the gas outlet end of a discharge port, an outflow port is formed in the lower end of the filtering pipeline, and an air outlet is formed in the lower end of the filtering pipeline. A storage bottle is mounted at the lower end of the outflow port through a threaded structure, the filtering pipeline filters gas through a grid, a filter screen, an activated carbon layer and sponge which are located at the inner position, and the nitrogen filter introduces nitrogen into the inner position for filtering through a nitrogen inlet in the upper end position; according to the device, the filter pipeline is mounted at the discharge port, large impurities in gas are filtered by grids in the filter pipeline, then fine particles and dust in the gas are filtered through sponge and a filter screen, and finally, red peculiar smell of the gas is removed through an activated carbon layer; therefore, no pollution is generated when the air is discharged into the air.

Description

Technical Field

[0001] The utility model belongs to the technical field related to a hydrogen and nitrogen protection device for bright annealing of a copper tube, and in particular relates to a hydrogen and nitrogen protection device for bright annealing of a copper tube. Background Art

[0002] The hydrogen and nitrogen protection device for bright annealing of copper tubes is a device used for bright annealing of copper tubes. During the annealing process, the copper tube needs to be heated at a certain temperature and a protective atmosphere is needed to prevent oxidation. The hydrogen and nitrogen protection device is a device used to provide a protective atmosphere. It can mix hydrogen and nitrogen and send them into the heating furnace to form an inert atmosphere to prevent oxidation on the surface of the copper tube and ensure the annealing effect. This device usually has an automatic control system that can control the flow and temperature of hydrogen and nitrogen according to the set parameters to ensure a stable and reliable annealing process.

[0003] When the hydrogen and nitrogen protection device for bright annealing of copper tubes is in use, the residual gas is discharged through the exhaust port. The residual hydrogen and nitrogen gas may contain solid particles, droplets or other harmful substances. Direct discharge into the atmosphere will cause environmental pollution and pollute the air quality. Utility Model Content

[0004] The utility model aims to provide a hydrogen and nitrogen protection device for bright annealing of copper tubes, so as to solve the problem that when the hydrogen and nitrogen protection device for bright annealing of copper tubes proposed in the above background technology is in use, residual gas is discharged through a discharge port, and the residual hydrogen and nitrogen gas may contain solid particles, droplets or other harmful substances, which will cause environmental pollution and pollute the air quality when directly discharged into the atmosphere.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a copper tube bright annealing hydrogen and nitrogen protection device, comprising a frame, a proportioning tank is installed at the upper end of the frame, an instrument box for controlling work is arranged at the upper end of the proportioning tank at the left position, the proportioning tank discharges the proportioning gas through the proportioning gas outlet at the upper end, a safety valve port and a pressure gauge port are arranged at the upper end of the proportioning tank at the left position, a proportioning gas outlet is arranged at the middle position of the upper end of the proportioning tank, a nitrogen outlet is arranged at the upper end of the proportioning tank at the right position, and a discharge port for discharging waste gas is arranged at the rear end of the proportioning tank;

[0006] A filter pipe is installed at the gas outlet end of the discharge port, a flow outlet is provided at the lower end of the filter pipe, a storage bottle is installed at the lower end of the flow outlet through a threaded structure, the filter pipe filters the gas through the grid, filter, activated carbon layer and sponge located at the internal position, a decomposition gas filter is provided at the upper end of the frame at the rear position, the decomposition gas filter introduces the decomposition gas into the interior through the decomposition gas inlet at the upper end, and a nitrogen filter is installed at the upper end of the frame at the rear position, the nitrogen filter introduces nitrogen into the internal position through the nitrogen inlet at the upper end for filtering.

[0007] Preferably, the decomposition gas filter introduces the decomposition gas into an internal position through a decomposition gas inlet.

[0008] Preferably, the nitrogen inlet introduces nitrogen into an inner position of the nitrogen filter.

[0009] Preferably, the decomposition gas inlet and the nitrogen filter filter the decomposition gas and the nitrogen respectively and transport them to the internal position of the proportioning tank for proportioning.

[0010] Preferably, the proportioning tank allows the mixed gas to flow out from the proportioning gas outlet, and the pressure gauge port and the safety valve port can monitor the gas pressure and discharge conditions.

[0011] Preferably, the instrument box can adjust parameters such as gas flow rate, and the exhaust port discharges residual gas.

[0012] Preferably, the discharge port filters the gas through a filter pipe during discharge, and the grid filters large impurities.

[0013] Preferably, the grid introduces blocked impurities into an inner position of the storage bottle through an inclined angle, and the storage bottle can be disassembled through a threaded structure and an outflow port.

[0014] Preferably, the grid and filter capture fine particles, and the activated carbon layer removes odor from the gas.

[0015] Compared with the prior art, the utility model provides a hydrogen and nitrogen protection device for bright annealing of copper tubes, which has the following beneficial effects:

[0016] The device is equipped with a filter pipe at the discharge port. The grid inside the filter pipe first filters the large impurities in the gas, then filters the fine particles and dust in the gas through the sponge and filter, and finally removes the red odor of the gas through the activated carbon layer, so that no pollution will be generated when it is discharged into the air.

[0017] The device designs the grid to have a certain tilt angle, through which the isolated large impurities are guided to fall into the inner position of the storage bottle. The storage bottle is installed through the thread and the outflow port. After disassembly, the internal impurities can be cleaned, which can prevent large impurities from clogging the filter pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of the structure of a hydrogen and nitrogen protection device for bright annealing of a copper tube.

[0019] Figure 2 This is a schematic diagram of the left side structure of a hydrogen and nitrogen protection device for bright annealing of a copper tube according to the utility model.

[0020] FIG3 is a schematic diagram of the right side structure of a hydrogen and nitrogen protection device for bright annealing of a copper tube according to the present invention.

[0021] Figure 4 The utility model is a schematic diagram of the top view of the structure of a hydrogen and nitrogen protection device for bright annealing of a copper tube.

[0022] Figure 5 The utility model is a schematic diagram of the filter pipeline structure of a hydrogen and nitrogen protection device for bright annealing of a copper tube.

[0023] Figure 6 The utility model is a schematic diagram of the internal structure of a filter pipe of a hydrogen and nitrogen protection device for bright annealing of a copper tube.

[0024] In the figure: 1. rack; 2. proportioning tank; 3. nitrogen outlet; 4. proportioning gas outlet; 5. decomposition gas inlet; 6. nitrogen inlet; 7. decomposition gas filter; 8. nitrogen filter; 9. discharge port; 10. pressure gauge port; 11. safety valve port; 12. instrument box; 13. filter pipe; 14. outflow port; 15. storage bottle; 16. grid; 17. filter; 18. activated carbon layer; 19. sponge. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1-6A copper tube bright annealing hydrogen and nitrogen protection device is shown, comprising a frame 1, a proportioning tank 2 is installed at the upper end of the frame 1, an instrument box 12 for controlling the work is arranged at the upper end of the proportioning tank 2 at the left position, the proportioning tank 2 discharges the proportioning gas through the proportioning gas outlet 4 at the upper end, a safety valve port 11 and a pressure gauge port 10 are arranged at the upper end of the proportioning tank 2 at the left position, a proportioning gas outlet 4 is arranged at the middle position of the upper end of the proportioning tank 2, a nitrogen outlet 3 is arranged at the upper end of the proportioning tank 2 at the right position, an exhaust port 9 for exhausting waste gas is arranged at the rear end of the proportioning tank 2, and a gas outlet 9 is installed at the gas outlet end of the exhaust port 9. A filter pipe 13 is provided with an outflow port 14 at the lower end of the filter pipe 13, and a storage bottle 15 is installed at the lower end of the outflow port 14 through a threaded structure. The filter pipe 13 filters the gas through a grid 16, a filter screen 17, an activated carbon layer 18 and a sponge 19 located at an internal position. A decomposition gas filter 7 is provided at the upper end of the frame 1 at a rear position, and the decomposition gas filter 7 introduces the decomposition gas into the interior through a decomposition gas inlet 5 at the upper end. A nitrogen filter 8 is installed at the upper end of the frame 1 at a rear position, and the nitrogen filter 8 introduces nitrogen into the internal position through a nitrogen inlet 6 at the upper end for filtering.

[0027] Nitrogen and hydrogen enter the nitrogen filter 8 and the decomposer gas filter through the nitrogen inlet 6 and the decomposer inlet respectively to filter impurities in the gas to ensure that the gas is pure. After filtering, they enter the proportioning tank 2. In the proportioning tank 2, nitrogen and hydrogen are mixed according to a certain proportion. The mixed hydrogen and nitrogen flow out from the proportioning gas outlet 4 and enter the heating furnace to form a protective atmosphere to prevent oxidation of the copper tube surface. The heating furnace heats the copper tube to the required temperature, while keeping the flow rate and proportion of hydrogen and nitrogen stable to ensure that the copper tube surface is evenly heated and the annealing effect is good.

[0028] like Figure 4 and Figure 6 As shown, the decomposition gas filter 7 introduces the decomposition gas into the internal position through the decomposition gas inlet 5, and the nitrogen inlet 6 introduces the nitrogen into the internal position of the nitrogen filter 8. The decomposition gas inlet 5 and the nitrogen filter 8 filter the decomposition gas and the nitrogen respectively and transport them to the internal position of the proportioning tank 2 for proportioning. The proportioning tank 2 makes the mixed gas flow out from the proportioning gas outlet 4. The pressure gauge port 10 and the safety valve port 11 can monitor the gas pressure and discharge conditions. The instrument box 12 can adjust parameters such as gas flow. The discharge port 9 discharges the residual gas. The discharge port 9 filters the gas through the filter pipe 13 during discharge. The grid 16 filters large impurities. The grid 16 introduces the blocked impurities into the internal position of the storage bottle 15 through the tilt angle. The storage bottle 15 can be disassembled through the threaded structure and the outflow port 14. The grid 16 and the filter 17 capture fine particles, and the activated carbon layer 18 removes odors in the gas.

[0029] The grid 16 is designed to have a certain tilt angle, and the isolated large impurities are guided to fall into the inner position of the storage bottle 15 through the tilt angle. The storage bottle 15 is installed with the outflow port 14 through a thread. After disassembly, the internal impurities can be cleaned, which can prevent large impurities from clogging the filter pipe 13.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydrogen and nitrogen protection device for bright annealing of copper tubes, characterized in that: The machine comprises a frame (1), a proportioning tank (2) is installed at the upper end of the frame (1), an instrument box (12) for controlling operation is arranged at the upper end of the proportioning tank (2) at the left position, the proportioning tank (2) discharges proportioning gas through a proportioning gas outlet (4) at the upper end, a safety valve port (11) and a pressure gauge port (10) are arranged at the upper end of the proportioning tank (2) at the left position, a proportioning gas outlet (4) is arranged at the middle position of the upper end of the proportioning tank (2), a nitrogen outlet (3) is arranged at the upper end of the proportioning tank (2) at the right position, and a discharge port (9) for discharging waste gas is arranged at the rear end of the proportioning tank (2); A filter pipe (13) is installed at the gas outlet end of the discharge port (9), a flow outlet (14) is provided at the lower end of the filter pipe (13), a storage bottle (15) is installed at the lower end of the flow outlet (14) through a threaded structure, the filter pipe (13) filters the gas through a grid (16), a filter screen (17), an activated carbon layer (18) and a sponge (19) located at an internal position, a decomposition gas filter (7) is provided at the upper end of the frame (1) at a rear position, the decomposition gas filter (7) introduces the decomposition gas into the interior through a decomposition gas inlet (5) at the upper end, and a nitrogen filter (8) is installed at the upper end of the frame (1) at a rear position, the nitrogen filter (8) introduces nitrogen into the interior through a nitrogen inlet (6) at the upper end for filtering.

2. A hydrogen and nitrogen protection device for bright annealing of copper tubes according to claim 1, characterized in that: The decomposition gas filter (7) introduces the decomposition gas into an internal position through the decomposition gas inlet (5).

3. A hydrogen and nitrogen protection device for bright annealing of copper tubes according to claim 1, characterized in that: The nitrogen inlet (6) introduces nitrogen into an inner position of the nitrogen filter (8).

4. A hydrogen and nitrogen protection device for bright annealing of copper tubes according to claim 1, characterized in that: The decomposition gas inlet (5) and the nitrogen filter (8) filter the decomposition gas and the nitrogen respectively and transport them to the internal position of the proportioning tank (2) for proportioning.

5. A hydrogen and nitrogen protection device for bright annealing of copper tubes according to claim 4, characterized in that: The proportioning tank (2) allows the mixed gas to flow out from the proportioning gas outlet (4), and the pressure gauge port (10) and the safety valve port (11) can monitor the gas pressure and discharge conditions.

6. A hydrogen and nitrogen protection device for bright annealing of copper tubes according to claim 1, characterized in that: The instrument box (12) can adjust gas flow parameters, and the exhaust port (9) discharges residual gas.

7. A hydrogen and nitrogen protection device for bright annealing of copper tubes according to claim 1, characterized in that: The discharge port (9) filters the gas through the filter pipe (13) during discharge, and the mesh (16) filters large impurities.

8. A hydrogen and nitrogen protection device for bright annealing of copper tubes according to claim 7, characterized in that: The grid (16) introduces blocked impurities into an internal position of the storage bottle (15) at an inclined angle, and the storage bottle (15) is detachable via a threaded structure and the outflow port (14).

9. A hydrogen and nitrogen protection device for bright annealing of copper tubes according to claim 7, characterized in that: The grid (16) and the filter (17) capture fine particles, and the activated carbon layer (18) removes odor from the gas.

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