CN220478433U

CN220478433U - Nitrogen making machine

Info

Publication number: CN220478433U
Application number: CN202322276852.0U
Authority: CN
Inventors: 郑利平; 严坚能
Original assignee: Shanghai Shengxinhong Energy Technology Co ltd
Current assignee: Shanghai Shengxinhong Energy Technology Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-02-13
Anticipated expiration: 2033-08-23

Abstract

The utility model relates to the field of nitrogen making machines, in particular to a nitrogen making machine, wherein a filter screen plate is arranged in a filter box, a mounting frame is horizontally and dynamically arranged in the filter box, a cleaning plate is detachably arranged on the mounting frame, a rotating shaft is rotatably arranged in an air inlet pipe, an impeller is fixedly arranged on the rotating shaft, one end of the rotating shaft is fixedly connected with an input shaft of a speed reducer, a swing arm is fixedly arranged on an output shaft of the speed reducer, one end of the swing arm is fixedly provided with a sliding shaft, a vertically extending sliding groove is formed in the mounting frame, and the sliding shaft is slidably arranged in the sliding groove; when the air compressor machine is to the rose box input high-pressure air, high-pressure air acts on the impeller and drives the pivot high-speed rotation, and then the pivot passes through the speed reducer and drives the swing arm and rotate at a low speed, and the swing arm passes through the sliding shaft and drives reciprocating motion around the mounting bracket, and the mounting bracket drives and cleans the board and cleans the dust of attaching on the filter screen board, and mounting bracket and cleaning board need not extra power supply and drive.

Description

Nitrogen making machine

Technical Field

The utility model relates to the field of nitrogen making machines, in particular to a nitrogen making machine.

Background

The nitrogen generator is a device for obtaining nitrogen gas by separating oxygen and nitrogen in air serving as a raw material by a physical method. Usually, two adsorption towers are connected in parallel, an inlet pneumatic valve is controlled by a PLC to automatically operate, and pressurization adsorption and decompression regeneration are alternately performed to complete nitrogen-oxygen separation, so that the required high-purity nitrogen is obtained.

The utility model patent with the application number of CN202320368687.9 discloses a high-purity efficient energy-saving nitrogen generator, which comprises a base, a nitrogen generator body fixedly arranged on one side of the top of the base, and an air inlet box fixedly arranged on the other side of the top of the base, wherein the air inlet box is connected with the nitrogen generator body through a pipeline. The hollow shell is driven by the moving mechanism and the cleaning brush hair is used for cleaning dust on the efficient filter screen, meanwhile, the cleaned dust is pumped into the collecting box through the induced draft fan, the dust collection hole and the dust collection hose, the effect of cleaning the efficient filter screen is achieved, the ventilation of the efficient filter screen is guaranteed, and the use convenience and the efficiency and the effect of nitrogen making work are effectively improved.

However, the nitrogen making machine needs an additional power source to drive the hollow shell, can not effectively fully utilize energy, is unfavorable for energy conservation and emission reduction, and needs improvement.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a nitrogen generator, which can clean a filter screen plate by using the wind power of an air compressor to drive a cleaning plate so as to solve the problem of insufficient energy utilization in the prior art.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the nitrogen generator comprises an air compressor, wherein the air outlet end of the air compressor is connected with the air inlet end of a filter box, the air outlet end of the filter box is connected with two adsorption towers in parallel, the air outlet ends of the two adsorption towers are connected with a nitrogen storage tank, a vertically arranged filter screen plate is arranged in the filter box, an air inlet cover and an air outlet pipe are fixedly arranged on the outer wall of the filter box, and the air inlet cover and the air outlet pipe are respectively positioned on two opposite sides of the filter screen plate; the filter box is characterized in that a mounting frame is horizontally and dynamically arranged in the filter box at one side of the filter screen plate, which is close to the air inlet cover, a cleaning plate for cleaning the filter screen plate is detachably arranged on the mounting frame, and brush hair contacted with the filter screen plate is arranged at one side of the cleaning plate; the filter box comprises a filter box body, wherein a filter screen plate is arranged on the filter box body, an air inlet pipe is arranged on the inner wall of the filter box body, one end of the filter box body is communicated with the air inlet cover, a rotating shaft which is coaxially arranged is rotatably arranged in the air inlet pipe, an impeller which is arranged in the air inlet pipe is fixedly arranged on the rotating shaft, one end of the rotating shaft extends to the outer side of the air inlet pipe and is fixedly connected with an input shaft of the speed reducer, an output shaft of the speed reducer is perpendicular to the plane where the filter screen plate is located, a swing arm is fixedly arranged on the output shaft of the speed reducer, a sliding shaft is fixedly arranged at one end of the swing arm, which is far away from the speed reducer, of the filter screen plate, a sliding groove which extends vertically is arranged on the mounting frame, and the sliding shaft is slidably arranged in the sliding groove.

As a further improvement, a sliding rod which is horizontally arranged is fixedly arranged in the filter box, the sliding rod is parallel to the plane where the filter screen plate is located, and the installation frame is slidably arranged on the sliding rod.

As a further improvement, one side of the mounting frame, which is close to the filter screen plate, is relatively provided with two mounting portions, the inner sides of the two mounting portions are respectively provided with a vertically extending chute, the upper end of each chute extends to the top of each mounting portion, and the cleaning plate is mounted between the two chutes.

As a further improvement, a metal spring plate is fixedly arranged on the mounting frame, a clamping part protruding towards the cleaning plate is arranged on the metal spring plate, and a clamping groove for the clamping part to clamp in is formed in the cleaning plate.

As a further improvement, one end of the air inlet pipe, which is far away from the air inlet cover, is fixedly provided with a mounting plate, the rotating shaft is rotatably arranged on the mounting plate, and a plurality of air holes are uniformly distributed on the mounting plate.

After the technical scheme is adopted, the utility model has the beneficial effects that:

(1) According to the air compressor, when the high-pressure air is input into the filter box, the high-pressure air acts on the impeller and drives the rotating shaft to rotate at a high speed, the rotating shaft drives the swing arm to rotate at a low speed through the speed reducer, the swing arm drives the mounting frame to reciprocate back and forth through the sliding shaft, the mounting frame drives the cleaning plate to clean dust attached to the filter screen plate, the mounting frame and the cleaning plate do not need to be driven by an additional power source, the energy utilization efficiency is high, and the energy is saved and the emission is reduced;

(2) The cleaning plate is installed between two sliding grooves and is clamped through the metal elastic sheet, and after the brush hair on the cleaning plate is worn seriously, the cleaning plate is convenient to replace.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a structure of a filter box according to an embodiment of the present utility model;

FIG. 3 is a schematic top view of a mounting bracket according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a metal spring according to an embodiment of the utility model.

In the figure: 1-an air compressor; 2-a filter box; 3-an adsorption tower; 4-nitrogen storage tank; 5-a filter screen plate; 6-sliding rails; 7-an air inlet hood; 8-an air outlet pipe; 9-mounting rack; 10-sliding bars; 11-cleaning plate; 12-a mounting part; 13-a chute; 14-a metal spring plate; 15-clamping part; 16-clamping grooves; 17-an air inlet pipe; 18-rotating shaft; 19-mounting plates; 20-an impeller; 21-an upper cover; 22-speed reducer; 23-an input shaft; 24-output shaft; 25-supporting plates; 26-swinging arms; 27-sliding shaft; 28-a sliding groove; 29-ash removal port; 30-baffle.

Detailed Description

As shown in fig. 1 to 4, a nitrogen generator comprises an air compressor 1, wherein an air outlet end of the air compressor 1 is connected with an air inlet end of a filter box 2 through a pipeline, two adsorption towers 3 are connected in parallel with an air outlet end of the filter box 2 through a pipeline, and air outlet ends of the two adsorption towers 3 are connected with a nitrogen storage tank 4 through pipelines.

The air inlet ends of the two adsorption towers 3 are respectively provided with an electric valve, high-pressure air is input into the filter box 2 through the air compressor 1, after the air is filtered by the filter box 2, the filtered air alternately enters the two adsorption towers 3 through adjusting the electric valves on the two adsorption towers 3, nitrogen is alternately prepared through the two adsorption towers 3, and the prepared nitrogen enters the nitrogen storage tank 4 for storage.

As shown in fig. 2, a vertically arranged screen plate 5 is arranged in the filter box 2, vertically extending slide rails 6 are fixedly arranged on the front side wall and the rear side wall of the filter box 2 respectively through bolts, the screen plate 5 is arranged between the two slide rails 6, an upper cover 21 is fixedly arranged on the top of the filter box 2 through bolts, after the upper cover 21 is disassembled, the screen plate 5 can be pulled out from between the two slide rails 6, and the screen plate 5 is thoroughly cleaned or replaced.

The outside of the right side wall of the filter tank 2 is fixedly provided with an air inlet cover 7 through a bolt, one side, far away from the filter tank 2, of the air inlet cover 7 is connected with the air outlet end of the air compressor 1 through a pipeline, the outside of the left side wall of the filter tank 2 is welded with an air outlet pipe 8, two adsorption towers 3 are connected in parallel with one end, far away from the filter tank 2, of the air outlet pipe 8 through a pipeline, and the air inlet cover 7 and the air outlet pipe 8 are respectively positioned on two opposite sides of the filter screen plate 5. High-pressure air is input to the filter box 2 through the air compressor 1, the air enters one of the adsorption towers 3 after penetrating the filter screen plate 5 leftwards, dust in the air can be filtered through the filter screen plate 5, and the quality of produced nitrogen is improved.

The mounting frame 9 is arranged in the filter box 2 on the right side of the filter screen plate 5 in a front-back horizontal sliding manner, specifically, two sliding rods 10 which are horizontally arranged in front-back are fixedly arranged in the filter box 2 through bolts, the sliding rods 10 are parallel to the plane where the filter screen plate 5 is located, the two sliding rods 10 are arranged in parallel up and down, and the mounting frame 9 is arranged on the two sliding rods 10 in a sliding manner, so that the sliding stability of the mounting frame 9 is improved.

The mounting bracket 9 is last demountable installation has the scavenging plate 11 that is used for cleaning filter screen board 5, and scavenging plate 11 vertical extension is equipped with the brush hair that contacts with filter screen board 5 in the left side of scavenging plate 11. Specifically, as shown in fig. 3, two mounting portions 12 are oppositely arranged in front of and behind the left side of the mounting frame 9, the mounting portions 12 are integrally formed on the mounting frame 9 or the mounting portions 12 are welded on the mounting frame 9, the inner sides of the two mounting portions 12 are respectively provided with a vertically extending sliding groove 13, the upper ends of the sliding grooves 13 extend to the top of the mounting portions 12, and the cleaning plate 11 is arranged between the two sliding grooves 13. When the brush hair on the cleaning plate 11 is severely worn, the upper cover 21 can be detached and the cleaning plate 11 can be pulled out from between the two sliding grooves 13, so that the cleaning plate 11 can be replaced conveniently.

In addition, in order to avoid loosening the installation of the cleaning plate 11, as shown in fig. 4, a metal elastic sheet 14 is fixedly installed on the installation frame 9 between the two installation parts 12, two metal elastic sheets 14 are oppositely arranged up and down, the upper end and the lower end of each metal elastic sheet 14 are respectively fixedly installed on the installation frame 9 through bolts, the middle part of each metal elastic sheet 14 is integrally bent and formed with a clamping part 15 towards the protruding part of the cleaning plate 11, the outer edge of each clamping part 15 is arc-shaped, and the cleaning plate 11 is provided with a clamping groove 16 for clamping the clamping part 15. When the cleaning plate 11 is installed, the cleaning plate 11 is downwards inserted between the two sliding grooves 13, when the cleaning plate 11 is inserted to the lower end of the sliding grooves 13, the cleaning plate 11 drives the two clamping grooves 16 on the cleaning plate to respectively align with the two clamping parts 15, and the clamping parts 15 are clamped into the clamping grooves 16, so that the resistance of the cleaning plate 11 to move up and down is increased, and the cleaning plate 11 is prevented from being loose in installation between the two sliding grooves 13.

As shown in fig. 2, an air inlet pipe 17 with one end communicated with the air inlet cover 7 is fixedly mounted on the inner side of the right side wall of the filter box 2 through bolts, through holes for communicating the air inlet cover 7 with the air inlet pipe 17 are formed in the right side wall of the filter box 2, the axis of the air inlet pipe 17 extends left and right perpendicular to the plane where the filter screen plate 5 is located, a rotating shaft 18 which is coaxially arranged is rotatably mounted in the air inlet pipe 17, specifically, a mounting plate 19 is fixedly mounted at the left end of the air inlet pipe 17 through bolts, the rotating shaft 18 is rotatably mounted on the mounting plate 19 through bearings, and a plurality of ventilation holes are uniformly distributed in the mounting plate 19. The impeller 20 positioned in the air inlet pipe 17 is fixedly arranged on the rotating shaft 18 through bolts, the left end of the rotating shaft 18 extends to the outer side of the air inlet pipe 17 and is coaxially and fixedly connected with the input shaft 23 of the speed reducer 22 through a coupler, the output shaft 24 of the speed reducer 22 extends left and right in the plane where the filter screen plate 5 is positioned, the supporting plate 25 is fixedly arranged between the front side wall and the rear side wall of the filter box 2 through bolts, the speed reducer 22 is arranged at the top of the supporting plate 25 through bolts, the output shaft 24 of the speed reducer 22 is fixedly provided with the swing arm 26 through bolts, the swing arm 26 extends along the radial direction of the output shaft 24 of the speed reducer 22, one end of the swing arm 26 far away from the speed reducer 22 is embedded with the sliding shaft 27, the sliding shaft 27 extends left and right in the plane where the filter screen plate 5 is positioned, the right side of the mounting frame 9 is provided with the sliding groove 28 which extends vertically, and the sliding shaft 27 is slidably arranged in the sliding groove 28.

The air inlet cover 7 is funnel-shaped, wherein the opening at one end close to the filter box 2 is large, the opening at one end far away from the filter box 2 is small, when the air compressor 1 inputs high-pressure air into the filter box 2, the air is uniformly dispersed in the air inlet pipe 17 along the air inlet cover 7 and enters the filter box 2 through the air holes on the mounting plate 19, the high-pressure air acts on the impeller 20 and drives the rotating shaft 18 to rotate at a high speed when passing through the air inlet pipe 17, the rotating shaft 18 drives the swing arm 26 to rotate at a low speed through the speed reducer 22, the swing arm 26 drives the sliding shaft 27 to do circular motion, the sliding shaft 27 acts on the sliding groove 28 so as to drive the mounting frame 9 to reciprocate back and forth along the sliding rod 10, the mounting frame 9 drives the cleaning plate 11 to clean dust attached to the filter screen 5, thereby the blocking of the filter screen 5 is avoided, the air circulation efficiency is improved, the mounting frame 9 and the cleaning plate 11 do not need to be driven by an extra power source, the cleaning plate 11 can be driven to move when the air is supplied to the air compressor 1, and the adsorption tower 3 is supplied with air, and the energy utilization rate is higher. In addition, be equipped with ash removal mouth 29 on the diapire of rose box 2 that is located the screen plate 5 right side, the bottom of rose box 2 passes through bolt fixed mounting and has the baffle 30 with ash removal mouth 29 confined, can clear up the dust in the rose box 2 after detaching baffle 30.

The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nitrogen generator, includes the air compressor machine, the inlet end of rose box is connected to the end of giving vent to anger of air compressor machine, the end of giving vent to anger of rose box has parallelly connected two adsorption towers, two the end of giving vent to anger of adsorption tower all is connected its characterized in that with nitrogen gas storage tank: the filter box is internally provided with a vertically arranged filter screen plate, the outer wall of the filter box is fixedly provided with an air inlet cover and an air outlet pipe, and the air inlet cover and the air outlet pipe are respectively positioned at two opposite sides of the filter screen plate; the filter box is characterized in that a mounting frame is horizontally and dynamically arranged in the filter box at one side of the filter screen plate, which is close to the air inlet cover, a cleaning plate for cleaning the filter screen plate is detachably arranged on the mounting frame, and brush hair contacted with the filter screen plate is arranged at one side of the cleaning plate; the filter box comprises a filter box body, wherein a filter screen plate is arranged on the filter box body, an air inlet pipe is arranged on the inner wall of the filter box body, one end of the filter box body is communicated with the air inlet cover, a rotating shaft which is coaxially arranged is rotatably arranged in the air inlet pipe, an impeller which is arranged in the air inlet pipe is fixedly arranged on the rotating shaft, one end of the rotating shaft extends to the outer side of the air inlet pipe and is fixedly connected with an input shaft of the speed reducer, an output shaft of the speed reducer is perpendicular to the plane where the filter screen plate is located, a swing arm is fixedly arranged on the output shaft of the speed reducer, a sliding shaft is fixedly arranged at one end of the swing arm, which is far away from the speed reducer, of the filter screen plate, a sliding groove which extends vertically is arranged on the mounting frame, and the sliding shaft is slidably arranged in the sliding groove.

2. A nitrogen generator as claimed in claim 1, wherein: the filter box is internally and fixedly provided with a horizontally arranged slide bar, the slide bar is parallel to the plane where the filter screen plate is located, and the mounting frame is slidably mounted on the slide bar.

3. A nitrogen generator as claimed in claim 1, wherein: the mounting bracket is close to one side of straining the screen plate is equipped with two installation department relatively, and the inboard of two installation departments is equipped with the spout of vertical extension respectively, the upper end of spout extends to the top of installation department, the scavenging plate is installed two between the spout.

4. A nitrogen generator as claimed in claim 1, wherein: the mounting rack is fixedly provided with a metal spring plate, the metal spring plate is provided with a clamping part protruding towards the cleaning plate, and the cleaning plate is provided with a clamping groove for the clamping part to clamp in.

5. A nitrogen generator as claimed in claim 1, wherein: the air inlet pipe is far away from one end of the air inlet cover and is fixedly provided with a mounting plate, the rotating shaft is rotatably mounted on the mounting plate, and a plurality of air holes are uniformly distributed in the mounting plate.