Uniform gas guiding device of nitrogen making machine

Abstract

The utility model discloses a nitrogen making machine gas uniform flow guide device which comprises a box body, a main ventilation duct, a flow guide bin and a speed reduction bin, a gas inlet is formed in the left side wall of the box body and communicates with the main ventilation duct formed in the left side of the interior of the box body, side ventilation ducts are formed in the front side and the rear side of the main ventilation duct correspondingly, and the side ventilation ducts communicate with the main ventilation duct; rotating rollers are rotationally connected to the front and rear sides of the inner bottom of the speed reduction bin; a plurality of speed reduction plates are uniformly and fixedly connected to the surfaces of the rotating rollers; an air guide plate is arranged between the speed reduction bin and the flow guide bin, a bottom bin is fixedly connected to the bottom of the box body under the flow guide bin, three communicating grooves are formed in the inner bottom of the flow guide bin, the bottoms of the communicating grooves communicate with the bottom bin below, and rotating shafts are rotationally connected between the inner top ends of the flow guide bin on the upper and lower sides of the communicating grooves and the inner bottom of the bottom bin; the rotating shaft and the packing auger are arranged in the flow guide bin to guide out gas at a constant speed, so that the air outlet speed is controlled, the pressure is reduced, and the flow guide efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of nitrogen generators, and in particular to a uniform gas flow guiding device for a nitrogen generator. Background Art

[0002] A nitrogen generator is a device that uses physical methods to separate oxygen and nitrogen in the air to obtain nitrogen. In many industrial applications, nitrogen can be used as an inert protective gas to replace the toxic or flammable chemical gases originally used, reduce the emission of harmful substances, and improve the safety of the working environment. During the exhaust process of the nitrogen generator, the gas speed is relatively high, so it needs to be diverted to reduce the pressure.

[0003] Patent No. CN 220125842 U discloses a uniform gas flow guide device for a nitrogen generator, comprising an air guide plate, a spoiler plate and an activated carbon layer. The guide holes on the air guide plate can guide the gas impacting the air guide plate, thereby increasing the gas flow guide speed and ensuring that the gas can be evenly dispersed through the air guide plate. The gas distribution uniformity is high. At the same time, the gas evenly distributed through the air guide plate can impact the spoiler plate, thereby driving the spoiler plate to rotate and causing the sleeve to move on the guide rod. At the same time, the support spring can be compressed, thereby driving the spoiler plate to move. The spoiler plate can achieve turbulence of the gas, prevent gas concentration, reduce the air flow speed, increase the contact time of the gas and the activated carbon layer, thereby increasing the contact time of the activated carbon layer with impurities in the nitrogen, and increasing the filtering and adsorption effect of the nitrogen. The gas distribution is high and the purity of the nitrogen is improved.

[0004] However, in use, there are the following defects:

[0005] Although a spoiler is used to disturb the gas flow and prevent it from gathering, the gas speed is relatively high before reaching the spoiler due to the narrow channel and the lack of a deceleration structure. The deceleration effect of the spoiler alone is limited. In addition, the spoiler passively receives the impact of nitrogen to perform the disturbance treatment, so it cannot control the gas outlet speed and may not be able to adapt to the different usage requirements of nitrogen. Utility Model Content

[0006] The purpose of the present application is to provide a uniform gas flow guiding device for a nitrogen generator, which solves the problem proposed in the background art that the gas has a high speed before reaching the spoiler due to the narrow channel and the lack of a speed reduction structure. The speed reduction effect of the spoiler alone is limited. In addition, the spoiler passively accepts the impact of nitrogen to perform turbulence treatment, so it is impossible to control the gas outlet speed and may not be able to adapt to different usage requirements of nitrogen.

[0007] To achieve the above object, the present application provides the following technical solutions: A nitrogen generator gas uniform diversion device, including a box body, a main ventilation duct, a diversion chamber and a deceleration chamber. An air inlet is provided on the left side wall of the box body, and the air inlet is communicated with the main ventilation duct opened on the left side inside the box body. Side ventilation ducts are provided on both the front and rear sides of the main ventilation duct, and the side ventilation ducts are communicated with the main ventilation duct; Rotating rollers are rotatably connected to both the front and rear sides of the inner bottom of the deceleration chamber, and a plurality of deceleration plates are uniformly fixedly connected to the surface of the rotating rollers; A wind guide plate is provided between the deceleration chamber and the diversion chamber, and a bottom chamber is fixedly connected to the bottom of the box body directly below the diversion chamber. Three communication slots are provided on the inner bottom of the diversion chamber, and the bottom of the communication slots is communicated with the bottom chamber below. A rotating shaft is rotatably connected between the inner top of the diversion chamber on both the upper and lower sides of the communication slot and the inner bottom of the bottom chamber, and an auger is fixedly connected to the surface of the rotating shaft.

[0008] In this technical solution, when the gas moves in the main ventilation duct, the gas on both sides will enter the side ventilation ducts, and then turn around and return to the main ventilation duct, blocking the gas in the main ventilation duct, thereby initially decelerating the gas. Then the gas drives the rotating rollers to rotate through the rotating rollers, and the deceleration plates on the rotating rollers will increase the contact area with the gas, thereby consuming the kinetic energy of the gas and further reducing the speed of the gas; Then the gas is dispersed after passing through the holes on the wind guide plate, and the motor starts to drive the rotating shaft and the auger to rotate at a constant speed. During the rotation, the gas will be guided downward along the communication slots, thereby controlling the air outlet speed and enabling the gas to be discharged stably.

[0009] As an alternative embodiment of the technical solution of the present application, a slot is provided at the top of the box body above the left side of the main ventilation duct, and a filter insertion plate is movably inserted inside the slot.

[0010] As an alternative embodiment of the technical solution of the present application, a motor is fixedly connected to the top of the box body directly above the rotating shaft, and the tail end of the transmission shaft of the motor is fixedly connected to the top end of the rotating shaft.

[0011] As an alternative embodiment of the technical solution of the present application, an exhaust port is provided on the right side wall of the bottom chamber, and a screen is fixedly connected inside the exhaust port.

[0012] As an alternative embodiment of the technical solution of the present application, a triangular plate is fixedly connected to the center of the left side wall of the wind guide plate, and the triangular plate is located between the front and rear rotating rollers.

[0013] As an alternative embodiment of the technical solution of the present application, the right end of the main ventilation duct is communicated with the deceleration chamber opened inside the box body, and the right side of the deceleration chamber is communicated with the diversion chamber opened inside the box body.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] 1. The present application can reduce the impact force of the gas through the main ventilation duct, side ventilation ducts, rotating rollers, and deceleration plates. The gas on both sides of the main ventilation duct will enter the side ventilation ducts, and then return to the main ventilation duct in the reverse direction to block the gas in the main ventilation duct, thereby initially decelerating the gas. Then, the gas drives the rotating rollers to rotate through the rotating rollers, and the deceleration plates on the rotating rollers will increase the contact area with the gas, thereby consuming the kinetic energy of the gas and further reducing the speed of the gas, improving the deceleration effect of the device.

[0016] 2. The present application can uniformly discharge the gas through the air guide plates, rotating shafts, and augers. The gas is dispersed after passing through the holes in the air guide plates. The motor starts to drive the rotating shafts and augers to rotate uniformly. During the rotation process, the gas will be discharged downward along the communication grooves, enabling the gas to be stably discharged. And by changing the rotation speed of the motor at the same time, the air outlet speed can be adjusted, thus meeting different industrial production requirements and improving the discharge efficiency and practicality of the device. Brief Description of the Drawings

[0017] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes, and advantages of the present application will become more apparent:

[0018] Figure 1 It is an overall view of a nitrogen generator gas uniform diversion device of the present application;

[0019] Figure 2 It is a schematic cross-sectional structure diagram of a nitrogen generator gas uniform diversion device of the present application.

[0020] In the figure: 1, box body; 2, air inlet; 3, main ventilation duct; 4, side ventilation ducts; 5, filter insert; 501, slot; 6, deceleration chamber; 601, triangular plate; 7, rotating roller; 8, deceleration plate; 9, air guide plate; 10, diversion chamber; 1001, communication groove; 11, rotating shaft; 111, auger; 12, motor; 13, bottom chamber; 14, exhaust port; 15, screen. Detailed Embodiment

[0021] In order to make the technical means, creative features, achieved purposes, and effects of the present utility model easy to understand, the following will be further elaborated in conjunction with the specific embodiments.

[0022] A nitrogen generator gas uniform diversion device, see Figures 1 to 2, including a box body 1, a main ventilation duct 3, a diversion bin 10 and a deceleration bin 6. An air inlet 2 is provided on the left side wall of the box body 1, and the air inlet 2 is communicated with the main ventilation duct 3 opened on the left side inside the box body 1. Side ventilation ducts 4 are provided on both the front and rear sides of the main ventilation duct 3, and the side ventilation ducts 4 are communicated with the main ventilation duct 3. The gases on both sides will enter the side ventilation ducts 4 and then return to the main ventilation duct 3 in a reversed direction to block the gases in the main ventilation duct 3, thereby reducing the speed of the gases. Rotating rollers 7 are rotatably connected to both the front and rear sides of the inner bottom of the deceleration bin 6. A plurality of deceleration plates 8 are evenly fixedly connected to the surface of the rotating rollers 7. The gases drive the rotating rollers 7 to rotate through the rotating rollers 7, and the deceleration plates 8 on the rotating rollers 7 will increase the contact area with the gases, thereby consuming the kinetic energy of the gases and further reducing the speed of the gases. A wind guide plate 9 is provided between the deceleration bin 6 and the diversion bin 10. A bottom bin 13 is fixedly connected to the bottom of the box body 1 directly below the diversion bin 10. Three communication slots 1001 are provided on the inner bottom of the diversion bin 10, and the bottom of the communication slots 1001 is communicated with the bottom bin 13 below. A rotating shaft 11 is rotatably connected between the inner top end of the diversion bin 10 and the inner bottom of the bottom bin 13 on both the upper and lower sides of the communication slots 1001. A screw conveyor 111 is fixedly connected to the surface of the rotating shaft 11. The gases are dispersed by the holes on the wind guide plate 9, and the motor 12 drives the rotating shaft 11 and the screw conveyor 111 to rotate at a constant speed. During the rotation process, the gases will be led downward along the communication slots 1001, thereby controlling the air outlet speed and enabling the gases to be discharged stably.

[0023] Specifically, as Figure 1 and Figure 2 shown, a slot 501 is provided at the top end of the box body 1 above the left side of the main ventilation duct 3. A filter insertion plate 5 is movably inserted inside the slot 501. The filter insertion plate 5 can filter the incoming nitrogen gas, intercepting the particles and dust in the nitrogen gas to ensure the purity of the nitrogen gas. When cleaning is required, the filter insertion plate 5 can be directly pulled out from the slot 501, and the operation is relatively convenient.

[0024] It should be noted that, as Figure 1 and Figure 2 shown, a motor 12 is fixedly connected to the top end of the box body 1 directly above the rotating shaft 11. The tail end of the transmission shaft of the motor 12 is fixedly connected to the top end of the rotating shaft 11. After the motor 12 is started, it will drive the rotating shaft 11 to rotate at a constant speed, thereby guiding the gases evenly. Some equipment that needs to use nitrogen gas during production requires controlling the nitrogen gas outlet speed. At this time, by controlling the rotation speed of the motor 12, the nitrogen gas discharge speed can be controlled, thus meeting different industrial production requirements.

[0025] It should be noted that, as Figure 2 shown, an exhaust port 14 is provided on the right side wall of the bottom bin 13. A screen 15 is fixedly connected inside the exhaust port 14. The screen 15 can perform secondary filtration on the nitrogen gas to further ensure the purity of the nitrogen gas.

[0026] It should be noted that, as Figure 2 shown, a triangular plate 601 is fixedly connected to the center of the left side wall of the air deflector 9. The triangular plate 601 is located between the front and rear rotating rollers 7. The triangular plate 601 can make the gas flow to both sides, reducing the pressure during deceleration, so that both sides of the rotating rollers 7 can receive the impact from the gas.

[0027] It should be noted that, as Figure 2 shown, the right end of the main ventilation duct 3 is communicated with a deceleration chamber 6 opened inside the box body 1, and the right side of the deceleration chamber 6 is communicated with a diversion chamber 10 opened inside the box body 1. The main ventilation duct 3 gradually thickens, thereby reducing the pressure of the gas and facilitating deceleration. The deceleration chamber 6 and the diversion chamber 10 are used for further decelerating and guiding out the gas, and cooperate with each other to complete the diversion of the gas.

[0028] During actual use, the gas enters the inner side of the box body 1 through the air inlet 2. When the gas moves in the main ventilation duct 3, the gas on both sides will enter the side ventilation ducts 4, and then turn back to the main ventilation duct 3 in the reverse direction to block the gas in the main ventilation duct 3, thereby initially decelerating the gas. Then the gas drives the rotating roller 7 to rotate through the rotating roller 7, and the deceleration plates 8 on the rotating roller 7 will increase the contact area with the gas, thereby consuming the kinetic energy of the gas and further reducing the speed of the gas, facilitating the subsequent guiding out of the gas and improving the deceleration effect of the device; the gas is dispersed after passing through the holes on the air deflector 9, and the motor 12 is started to drive the rotating shaft 11 and the auger 111 to rotate at a constant speed. During the rotation process, the gas will be guided downward along the communication groove 1001, thereby controlling the air outlet speed and enabling the gas to be discharged stably, improving the guiding out efficiency and practicability of the device.

[0029] In addition, the components designed in the present utility model are all common standard components or components known to those skilled in the art. Their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods. Those skilled in the art can fully implement them without further elaboration. The content protected by the present utility model does not involve improvements to the internal structure and method.

[0030] The embodiments disclosed in the present utility model are preferred embodiments, but are not limited thereto. Those of ordinary skill in the art can easily understand the spirit of the present utility model according to the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of the present utility model, they are all within the protection scope of the present utility model.

Claims

1. A gas uniform diversion device for a nitrogen generator, comprising a box body (1), a main ventilation duct (3), a diversion bin (10) and a deceleration bin (6), characterized in that: An air inlet (2) is provided on the left side wall of the box body (1), and the air inlet (2) is communicated with a main ventilation duct (3) provided on the left side inside the box body (1). Side ventilation ducts (4) are provided on both the front and rear sides of the main ventilation duct (3), and the side ventilation ducts (4) are communicated with the main ventilation duct (3); Rotating rollers (7) are rotatably connected to both the front and rear sides of the inner bottom of the speed reduction bin (6), and a plurality of speed reduction plates (8) are uniformly fixedly connected to the surface of the rotating rollers (7); A wind guide plate (9) is provided between the speed reduction bin (6) and the diversion bin (10). A bottom bin (13) is fixedly connected to the bottom of the box body (1) directly below the diversion bin (10). Three communication slots (1001) are provided on the inner bottom of the diversion bin (10), and the bottoms of the communication slots (1001) are communicated with the bottom bin (13) below. A rotating shaft (11) is rotatably connected between the inner top end of the diversion bin (10) on the upper and lower sides of the communication slot (1001) and the inner bottom of the bottom bin (13), and an auger (111) is fixedly connected to the surface of the rotating shaft (11).

2. The nitrogen generator gas uniform flow guiding device according to claim 1, wherein: A slot (501) is provided at the top end of the box body (1) above the left side of the main ventilation duct (3), and a filter plug board (5) is movably inserted into the inner side of the slot (501).

3. A nitrogen generator gas uniform flow guiding device according to claim 1, characterized in that: A motor (12) is fixedly connected to the top end of the box body (1) directly above the rotating shaft (11), and the tail end of the transmission shaft of the motor (12) is fixedly connected to the top end of the rotating shaft (11).

4. A nitrogen generator gas uniform flow guiding device according to claim 1, characterized in that: An exhaust port (14) is provided on the right side wall of the bottom bin (13), and a screen (15) is fixedly connected to the inner side of the exhaust port (14).

5. The gas uniform flow guiding device of a nitrogen generator according to claim 1, wherein: A triangular plate (601) is fixedly connected to the center of the left side wall of the wind guide plate (9), and the triangular plate (601) is located between the front and rear rotating rollers (7).

6. The nitrogen generator gas uniform flow guiding device according to claim 1, characterized in that: The right end of the main ventilation duct (3) is communicated with a speed reduction bin (6) provided inside the box body (1), and the right side of the speed reduction bin (6) is communicated with a diversion bin (10) provided inside the box body (1).

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