Oxygen production equipment with multi-stage filtering structure

Abstract

The utility model relates to oxygen production equipment with a multi-stage filtering structure, which comprises a box body, a control panel is arranged on the side wall of one end of the box body, and a preliminary filtering device is arranged on the side wall of the other end of the box body. External air enters the primary filtering device through an air inlet to be filtered and then enters the filtering box through an air inlet pipe, then under the three-layer filtering effect of the first-stage filtering layer, the second-stage filtering layer and the third-stage filtering layer, the air purity is improved, and the air subjected to multi-stage filtering is compressed through a compressor 10 and then is fed into a molecular sieve adsorption tower 13; the selective adsorption characteristic of a molecular sieve arranged in the molecular sieve adsorption tower 13 on nitrogen and oxygen is utilized, so that high-purity oxygen is separated from air subjected to multi-stage filtration.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of oxygen production equipment, in particular to oxygen production equipment with a multistage filtering structure. BACKGROUND

[0002] Oxygen production equipment is equipment for manufacturing gaseous oxygen, mainly including industrial oxygen production equipment, household oxygen production equipment and medical oxygen production equipment. The equipment utilizes air separation technology, compresses air with high density, utilizes the different condensation points of components in air, carries out gas-liquid separation at a specific temperature, and then obtains oxygen through rectification.

[0003] The existing oxygen production equipment has a single filtering structure, air cannot be filtered multiple times before entering the compressor, thereby reducing the concentration of air oxygen production, and the internal filtering device of the oxygen production equipment needs to be cleaned regularly after long-term use. However, the existing oxygen production equipment is not convenient for disassembling the filtering device, so that cleaning is more cumbersome. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems in the background art, the application provides oxygen production equipment with a multistage filtering structure.

[0005] The oxygen production equipment with a multistage filtering structure provided by the application adopts the following technical scheme:

[0006] The oxygen production equipment with a multistage filtering structure comprises a box body, a control panel is arranged on one end of the side wall of the box body, a preliminary filtering device is installed on the other end of the side wall of the box body, a multistage filtering structure is arranged near the edge of the inner wall of the other end of the box body, an air inlet pipe is arranged on the top of the multistage filtering structure, the other end of the air inlet pipe penetrates through a through hole formed in the inner wall of the box body and penetrates into the interior of the preliminary filtering device, and an oxygen production structure is further installed near the edge of the multistage filtering structure in the interior of the box body.

[0007] Preferably, the multistage filtering structure comprises a filtering box, a first-stage filtering layer is arranged at the top position in the interior of the filtering box, a second-stage filtering layer is arranged at the bottom of the first-stage filtering layer, and a third-stage filtering layer is arranged at the bottom of the second-stage filtering layer.

[0008] Preferably, the first-stage filtering layer is an activated carbon filtering layer, which can effectively adsorb odors and part of harmful gases in air; the second-stage filtering layer is a high-efficiency air filtering layer, which can remove micro-particles in air; and the third-stage filtering layer is a molecular sieve filtering layer, which can further remove impurities in air and improve the purity of air.

[0009] Preferably, the preliminary filtering device comprises a filtering frame fixed at the other end side wall of the box body, the side wall of the filtering frame is provided with an air inlet, and the inside of the filtering frame is further provided with a filter plate, both ends of the filter plate are provided with T-shaped strips, the T-shaped strips are slidingly installed in T-shaped grooves formed in the filtering frame, and the top of the filter plate is further provided with a pull block.

[0010] Preferably, the oxygen production structure comprises a compressor fixedly installed on two symmetrical fixed seats, the bottom of both ends of the two fixed seats is respectively connected with one end of the vibration reduction assembly installed on the bottom of the box body, the top of the compressor is connected with a first connecting hose and a second connecting hose, one end of the first connecting hose penetrates into the third-stage filter layer arranged at the bottom of the filter box, and the other end of the second connecting hose is connected with the side wall of the molecular sieve adsorption tower.

[0011] Preferably, the molecular sieve adsorption tower is installed on the L-shaped mounting bracket arranged on the inner wall of the box body, and the L-shaped mounting bracket is further provided with a fixing assembly, the fixing assembly comprises a screw rod, the screw rod is rotatably installed in a screw hole formed in the side wall of the L-shaped mounting bracket, and the other end of the screw rod is connected with a bearing in the side wall of the abutting plate.

[0012] Preferably, the bottom of the abutting plate is further provided with two symmetrical sliding blocks, and the two sliding blocks are slidingly installed in the sliding grooves formed in the bottom surface of the L-shaped mounting bracket.

[0013] Preferably, the top of the box body is provided with an oxygen outlet pipe in the through hole formed near the edge of one end, one end of the oxygen outlet pipe is connected with the air outlet arranged at the top of the molecular sieve adsorption tower, and a flow regulating valve is further installed on the oxygen outlet pipe.

[0014] To sum up, the present application has the following beneficial technical effects:

[0015] 1. The box body is provided with a multi-stage filtering structure, air enters the preliminary filtering device through the air inlet, is filtered, and then enters the inside of the filter box through the air inlet pipe, and then is filtered by the three layers of the first-stage filter layer, the second-stage filter layer and the third-stage filter layer arranged in the filter box, so that the purity of the air is improved, and the purity of the oxygen produced is improved.

[0016] 2. The T-shaped strips are arranged at both ends of the filter plate, the filter plate is slidingly installed in the filtering frame, the filter plate is convenient to disassemble and clean, the abutting plate is driven to fix the molecular sieve adsorption tower by rotating the screw rod, the installation and disassembly of the molecular sieve adsorption tower are more convenient, and the molecular sieve adsorption tower is convenient to replace and clean. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1is a structural schematic diagram of an oxygen generating device with a multi-stage filtering structure in an embodiment of the present application;

[0018] Figure 2 is a back structure schematic diagram of an oxygen generating device with a multi-stage filtering structure in an embodiment of the present application;

[0019] Figure 3 is an internal structure cross-sectional view of an oxygen generating device with a multi-stage filtering structure in an embodiment of the present application;

[0020] Figure 4 is a structure cross-sectional view of an oxygen generating device in an embodiment of the present application;

[0021] Figure 5 is a fixed component structure schematic diagram in an embodiment of the present application.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 1, box; 2, control panel; 3, air inlet pipe; 4, filter box; 5, first stage filter layer; 6, second stage filter layer; 7, third stage filter layer; 8, filter frame; 9, filter plate; 10, compressor; 11, fixing seat; 12, damping assembly; 13, molecular sieve adsorption tower; 14, L-shaped mounting bracket; 15, screw rod; 16, abutting plate; 17, sliding block; 18, oxygen outlet pipe; 19, flow regulating valve. DETAILED DESCRIPTION

[0023] The present application will be further described in detail below with reference to the accompanying drawings. Figure 1 —5

[0024] An oxygen generating device with a multi-stage filtering structure is disclosed in an embodiment of the present application, which comprises a box 1, a control panel 2 is arranged on one end side wall of the box 1, a preliminary filtering device is mounted on the other end side wall of the box 1, a multi-stage filtering structure is arranged on the inner wall edge close to the other end of the box 1, an air inlet pipe 3 is arranged on the top of the multi-stage filtering structure, the other end of the air inlet pipe 3 penetrates through the through hole on the inner wall of the box 1 and penetrates into the interior of the preliminary filtering device, an oxygen generating structure is further mounted on the edge close to the multi-stage filtering structure in the interior of the box 1, an oxygen outlet pipe 18 is arranged in the through hole on the top close to one end edge of the box 1, one end of the oxygen outlet pipe 18 is connected with the gas outlet arranged on the top of the molecular sieve adsorption tower 13, and a flow regulating valve 19 is further mounted on the oxygen outlet pipe 18.

[0025] Reference Figure 2 and Figure 3The multi-stage filtering structure comprises a filtering box 4, the inside of the filtering box 4 is provided with a first-stage filtering layer 5 at a top position, the bottom of the first-stage filtering layer 5 is provided with a second-stage filtering layer 6, and the bottom of the second-stage filtering layer 6 is provided with a third-stage filtering layer 7. The first-stage filtering layer 5 is an activated carbon filtering layer, which can effectively adsorb odors and part of harmful gases in the air. The second-stage filtering layer 6 is a high-efficiency air filtering layer, which can remove small particles in the air. The third-stage filtering layer 7 is a molecular sieve filtering layer, which can further remove impurities in the air, improve the purity of the air, and improve the purity of the oxygen produced.

[0026] Reference Figure 4 and Figure 5, The oxygen production structure comprises a compressor 10, the compressor 10 is fixedly installed on two symmetrical fixed seats 11, the two ends of the two fixed seats 11 are respectively connected with one end of a shock absorbing assembly 12 arranged at the bottom of the box body 1, the top of the compressor 10 is connected with a first connecting hose and a second connecting hose, one end of the first connecting hose penetrates into a third filter layer 7 arranged at the bottom of the filtering box 4, the other end of the second connecting hose is connected with the side wall of a molecular sieve adsorption tower 13, the molecular sieve adsorption tower 13 is installed on an L-shaped mounting bracket 14 arranged on the inner wall of the box body 1, and a fixing assembly is further arranged on the L-shaped mounting bracket 14, the fixing assembly comprises a screw rod 15, the screw rod 15 is rotatably installed in a screw hole formed in the side wall of the L-shaped mounting bracket 14, and the other end of the screw rod 15 is connected with a bearing arranged in the side wall of an abutting plate 16, and the bottom of the abutting plate 16 is further provided with two symmetrical sliding blocks 17, the two sliding blocks 17 are slidably installed in sliding grooves formed in the inner bottom surface of the L-shaped mounting bracket 14, more specifically, the multi-stage filtered air enters the inside of the compressor 10 through the first connecting hose, is compressed by the compressor 10 and is sent into the molecular sieve adsorption tower 13 through the second connecting hose, the selective adsorption characteristics of the molecular sieve arranged in the molecular sieve adsorption tower 13 are utilized to separate high-purity oxygen from the multi-stage filtered air, the compressor 10 reduces vibration in the working process by the action of the shock absorbing assembly 12 arranged at the bottom, thereby reducing noise, the abutting plate 16 is moved back and forth by rotating the screw rod 15, thereby facilitating the fixing and dismounting of the molecular sieve adsorption tower 13, and the replacement and cleaning of the molecular sieve adsorption tower 13 are more convenient.

[0027] The implementation principle of the oxygen production equipment with the multi-stage filtering structure in the embodiment of the application is as follows: in use, air enters the filtering frame 8 through the air inlet, is filtered by the filter plate 9 and then enters the inside of the filtering box 4 through the air inlet pipe 3, the primary filtered air passes through the three layers of the first filter layer 5, the second filter layer 6 and the third filter layer 7 in the filtering box 4, so that the purity of the air is improved, the multi-stage filtered air enters the inside of the compressor 10 through the first connecting hose, is compressed by the compressor 10 and is sent into the molecular sieve adsorption tower 13 through the second connecting hose, the selective adsorption characteristics of the molecular sieve arranged in the molecular sieve adsorption tower 13 are utilized to separate high-purity oxygen from the multi-stage filtered air, the compressor 10 reduces vibration in the working process by the action of the shock absorbing assembly 12 arranged at the bottom, thereby reducing noise, when the filter plate 9 needs to be cleaned, the filter plate 9 is pulled out upward by pulling the pull block arranged at the top of the filter plate 9 and sliding through the T-shaped slot arranged at the top of the filtering frame 8, so that the filter plate 9 is cleaned, when the molecular sieve adsorption tower 13 needs to be replaced or dismounted and cleaned, the abutting plate 16 is moved back by rotating the screw rod 15, thereby facilitating the dismounting of the molecular sieve adsorption tower 13, and the replacement and cleaning of the molecular sieve adsorption tower 13 are more convenient.

[0028] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An oxygen production device with multi-stage filtering structure, comprising a box (1), a control panel (2) is arranged on one end side wall of the box (1), and a preliminary filtering device is installed on the other end side wall of the box (1), characterized in that: The inside of the box (1) is close to the edge of the other end of the inner wall and is provided with a multi-stage filtering structure, the top of the multi-stage filtering structure is provided with an air inlet pipe (3), the other end of the air inlet pipe (3) penetrates through the through hole of the inner wall of the box (1) and penetrates into the inside of the preliminary filtering device, and the edge of the inside of the box (1) close to the multi-stage filtering structure is also provided with an oxygen generating structure.

2. The oxygen generating apparatus having a multi-stage filtering structure according to claim 1, characterized in that: The multi-stage filtering structure comprises a filtering box (4), the inside of the filtering box (4) is provided with a first stage filtering layer (5) at the top position, the bottom of the first stage filtering layer (5) is provided with a second stage filtering layer (6), and the bottom of the second stage filtering layer (6) is provided with a third stage filtering layer (7).

3. The oxygen generating apparatus having a multi-stage filtering structure according to claim 2, characterized in that: The first stage filtering layer (5) is an activated carbon filtering layer, which can effectively adsorb odors and part of harmful gases in the air; The second stage filtering layer (6) is a high-efficiency air filtering layer, which can remove small particles in the air; The third stage filtering layer (7) is a molecular sieve selection layer, which can further remove impurities in the air and improve the purity of the air.

4. The oxygen generating apparatus having a multi-stage filtering structure according to claim 1, characterized in that: The preliminary filtering device comprises a filtering frame (8), the filtering frame (8) is fixed on the other end side wall of the box (1), the side wall of the filtering frame (8) is provided with an air inlet, and the inside of the filtering frame (8) is also provided with a filter plate (9), both ends of the filter plate (9) are provided with T-shaped strips, the T-shaped strips are slidingly installed in the T-shaped grooves of the filtering frame (8), and the top of the filter plate (9) is also provided with a pull block.

5. The oxygen generating apparatus having a multi-stage filtering structure according to claim 1, characterized in that: The oxygen generating structure comprises a compressor (10), the compressor (10) is fixedly installed on two symmetrical fixed seats (11), the bottoms of the two fixed seats (11) are respectively connected with one end of the shock absorbing assembly (12) installed on the bottom of the box (1), the top of the compressor (10) is connected with a first connecting hose and a second connecting hose, one end of the first connecting hose penetrates into the third stage filtering layer (7) arranged at the bottom of the filtering box (4), and the other end of the second connecting hose is connected with the side wall of the molecular sieve adsorption tower (13).

6. The oxygen generating apparatus having a multi-stage filtering structure according to claim 5, characterized in that: The molecular sieve adsorption tower (13) is installed on the L-shaped mounting bracket (14) provided on the inner wall of the box (1), and the L-shaped mounting bracket (14) is also provided with a fixing assembly, the fixing assembly comprises a screw rod (15), the screw rod (15) is rotatably installed in the screw hole of the side wall of the L-shaped mounting bracket (14), and the other end is connected with the bearing of the side wall of the abutting plate (16).

7. The oxygen generating apparatus having a multi-stage filtering structure according to claim 6, characterized in that: The bottom of the abutting plate (16) is also provided with two symmetrical sliding blocks (17), and the two sliding blocks (17) are slidingly installed in the sliding grooves of the inner bottom surface of the L-shaped mounting bracket (14).

8. The oxygen generating apparatus having a multi-stage filtering structure according to claim 1, characterized in that: The top of the box (1) is provided with an oxygen outlet pipe (18) in the through hole close to the edge of one end, one end of the oxygen outlet pipe (18) is connected with the air outlet provided at the top of the molecular sieve adsorption tower (13), and the oxygen outlet pipe (18) is also provided with a flow regulating valve (19).

Images