CN209039055U - Integral type integrates oxygen generation system - Google Patents

Abstract

The utility model discloses an integrated integrated oxygen production system, which comprises a case; the front, rear, left, right, and bottom sides of the case are provided with case covers; an oxygen buffer tank, an air buffer tank, an air control valve, a nitrogen muffler, an air compressor, an oxygen buffer tank, an air buffer tank, an air control valve, a nitrogen muffler, an air compressor, Refrigeration dryer, pressure reducing valve, coarse filter and precision filter; there is a support plate on the left side of the middle of the chassis, and an oxygen buffer tank and an air buffer tank are installed on the left side of the top of the support plate. The oxygen buffer tank is connected to the box cover on the left side of the chassis Air control valve is installed on the top and bottom right side of the support plate, and a nitrogen muffler is also installed on the top right side of the support plate; an air compressor is installed in the lower left part of the chassis, and the cooling air outlet of the air compressor is located on the front side cover of the chassis The air inlet of the air compressor is located on the left box cover of the chassis; the right side of the air compressor is installed with a refrigerating machine, and the cooling air outlet of the refrigerating machine is located at the bottom of the box cover on the rear side of the chassis; the structure of the utility model is optimized and reasonable , the oxygen production efficiency is high.

Description

All-in-one integrated oxygen system

technical field

The utility model relates to the field of oxygen generators, in particular to an integrated integrated oxygen generator system.

Background technique

With the rapid development of molecular sieve pressure swing adsorption (PSA) technology, and with people's requirements for environmental protection and pollution control, it has been widely used in steel production, gas industry, electronics industry, petrochemical industry, agricultural and sideline fishery and healthcare and many other industries. The pressure swing adsorption oxygen production system includes an air compressor, a refrigerating machine, a filter device, a molecular sieve adsorption tower and the corresponding control device. Using the principle of pressure swing adsorption, the clean compressed air is used to enter the adsorption tower, and after saturation through pressurized adsorption, regeneration Analyze the principle of realizing the separation of nitrogen and oxygen. The existing molecular sieve PSA oxygen production system generally has structural duplication, cumbersome system, poor integrity, high noise, high manufacturing cost and poor energy efficiency ratio.

Utility model content

In order to overcome the technical deficiencies of the existing oxygen production system, the utility model provides an integrated integrated oxygen production system with reasonable structure optimization and high oxygen production efficiency.

The technical scheme adopted by the utility model to solve the technical problem is as follows: an integrated integrated oxygen production system, including a chassis; the chassis is provided with box covers on the front, rear, left, right, and upper sides, and an oxygen buffer tank, an air buffer tank, and an air control valve are installed inside the chassis. , nitrogen silencer, air compressor, refrigerated dryer, pressure reducing valve, coarse filter and precision filter; there is a support plate on the left side of the middle of the chassis, and an oxygen buffer tank and an air buffer tank are installed on the left side of the top of the support plate. The buffer tank is connected to the oxygen outlet on the box cover on the left side of the chassis; air control valves are installed on the top and bottom right sides of the support plate, and a nitrogen silencer is also installed on the top right side of the support plate; the air compressor is installed in the lower left part of the chassis, and the The cooling air outlet is located at the lower left part of the front side cover of the chassis, and the air inlet of the air compressor is located on the left box cover of the case; the air compressor is installed on the right side of the air dryer, and the cooling air outlet of the cooling dryer is located at the rear side cover of the case At the bottom of the chassis, there is a radiator above the dryer; two molecular sieve adsorption towers are installed in the front of the box cover on the right side of the chassis; Control button; the air outlet of the air compressor is connected to the air inlet of the air buffer tank, the air outlet of the air buffer tank is connected to the air inlet of the coarse filter, and the air outlet of the coarse filter is connected to the air inlet of the cold dryer. The air outlet of the machine is connected to the air inlet of the precision filter, the air outlet of the precision filter is connected to the air inlet of the molecular sieve adsorption tower, the nitrogen outlet of the molecular sieve adsorption tower is connected to the nitrogen silencer, and the oxygen outlet of the molecular sieve adsorption tower is connected to the oxygen buffer tank. There are air control valves at the nitrogen outlet and oxygen outlet of the molecular sieve adsorption tower; there is also a pressure reducing valve between the precision filter and the molecular sieve adsorption tower; the box cover on the upper side of the chassis is provided with a chassis heat outlet; the control box is electrically connected Air control valve, air compressor, refrigeration dryer, molecular sieve adsorption tower and display screen.

As a further improvement of this solution, a dew point sensor is installed at the air outlet of the refrigerating machine, and the dew point sensor is electrically connected to the display screen. The refrigerating machine of the oxygen production system in the prior art is installed and controlled separately. When the compressor can work normally, a large amount of compressed air will carry moisture into the molecular sieve adsorption tower, which will cause the molecular sieve in the adsorption tower to fail quickly, unable to produce oxygen, resulting in damage to the oxygen production system and causing serious losses; the dew point in this scheme The sensor performs dew point detection, and the detection result is displayed on the display screen, which can realize the abnormal dew point temperature alarm; greatly improve the safety of the oxygen production system, and increase the service life of the molecular sieve adsorption tower and the entire oxygen production system.

As a further improvement of this solution, the coarse filter and the precision filter are both integrated post-filters, which can save installation space, reduce pressure loss in the air circuit, improve filtration efficiency, and reduce the need for replacement and maintenance. Replaced parts.

As a further improvement of this solution, the air outlet of the nitrogen muffler is located below the heat dissipation port of the chassis, so that nitrogen can be discharged at the same time as heat dissipation and exhaust air; in this way, installing an air exhaust channel can play the role of heat dissipation and exhaust air and nitrogen discharge at the same time. ; Reduce the installation of exhaust channels, strengthen air circulation, and improve the stability of the oxygen system.

The beneficial effects of the present utility model are that (1) the integrated integrated oxygen production system adopts integrated installation, which avoids the use of pipeline connection and combined installation of independent air compressors, refrigerating machines and adsorption towers, and saves space; ( 2) There is a built-in air buffer tank, and the built-in installation does not require additional site and installation construction; the air buffer tank improves the protection of the air compressor, avoids the frequent loading and unloading of the air compressor during use, and increases the The service life of the air compressor reduces maintenance costs, improves the overall airflow and pressure stability of the oxygen production system, and further improves the oxygen purity stability of the oxygen production system; (3) There is a built-in oxygen buffer tank, no additional (4) The cooling air outlet of the air compressor and the cooling air outlet of the refrigerating machine are relatively independent and do not interfere with each other, so that the cooling exhaust channel The overall flow direction is upward, and the heat dissipation and exhaust efficiency are high; the higher heat dissipation and exhaust efficiency can ensure the operation stability and service life of the product, which is conducive to reducing the equipment damage rate.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Figure 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic structural view of the front side of the present invention.

Figure 3 is a schematic structural diagram of the rear side of the present invention.

Figure 4 is a schematic structural diagram of the left side of the present invention.

Figure 5 is a schematic structural diagram of the right side of the present invention.

FIG. 6 is a circuit schematic diagram of the present invention.

Indicated in the figure, 1. Chassis, 2. Oxygen buffer tank, 3. Air buffer tank, 4. Air control valve, 5. Nitrogen silencer, 6. Air compressor, 7. Refrigerator, 8. Support plate, 9 . Oxygen outlet, 10. Molecular sieve adsorption tower, 11. Control box, 12. Display screen. 13. Control buttons, 101. Chassis cooling vent, 601. Air compressor cooling air outlet, 602. Air inlet of air compressor, 701. Cooling air outlet of air dryer, 702. Cooling air outlet of air dryer.

Detailed ways

Referring to Figure 1-5, the integrated integrated oxygen production system includes a chassis 1; the front, rear, left, right, and bottom sides of the chassis 1 are provided with box covers, which can be opened separately for easy maintenance; Tank 3, Air Control Valve 4, Nitrogen Muffler 5, Air Compressor 6, Refrigerator 7, Pressure Reducing Valve, Coarse Filter and Precision Filter; Welding support plate 8 on the left inner wall of the middle part of the chassis 1, support plate 8 The oxygen buffer tank 2 and the air buffer tank 3 are installed on the left side of the top. The oxygen buffer tank 2 is connected to the oxygen outlet 9 on the left side cover of the chassis 1; A nitrogen muffler 5 is also installed on the right side of the top; an air compressor 6 is installed in the lower left part of the chassis 1, the cooling air outlet 601 of the air compressor is located in the lower left part of the front cover of the chassis 1, and the air inlet 602 of the air compressor is located on the left side of the chassis 1 The side case cover is installed; the air compressor 6 is installed on the right side of the air dryer 7, the cooling air outlet 701 of the air dryer is located at the bottom of the box cover on the rear side of the chassis 1, and the air dryer 702 is provided above the air dryer 7; the chassis; 1. Two molecular sieve adsorption towers 10 are installed at the front of the box cover on the right side; a control box 11 and a display screen 12 are installed at the rear of the box cover on the rear side of the chassis 1. The display screen 12 is located above the control box 11, and the control box 11 is provided with a control box Button 13; the air outlet of the air compressor 6 is connected to the air inlet of the air buffer tank 3, the air outlet of the air buffer tank 3 is connected to the air inlet of the coarse filter, and the air outlet of the coarse filter is connected to the air inlet of the refrigerating machine 7 The air outlet of the cold dryer 7 is connected to the air inlet of the precision filter, the air outlet of the precision filter is connected to the air inlet of the molecular sieve adsorption tower 10, the nitrogen outlet of the molecular sieve adsorption tower 10 is connected to the nitrogen silencer 5, and the molecular sieve adsorption tower The oxygen outlet of 10 is connected to the oxygen buffer tank 2, the oxygen buffer tank 2 is connected to the oxygen outlet 9, and the oxygen outlet 9 is connected to the external oxygen transmission pipeline; the nitrogen outlet and the oxygen outlet of the molecular sieve adsorption tower 10 are provided with a gas control valve 4; precision There is also a pressure reducing valve between the filter and the molecular sieve adsorption tower 10, and the pressure reducing valve first depressurizes the air entering the molecular sieve adsorption tower 10; the box cover on the upper side of the chassis 1 is provided with two chassis cooling ports 101; The control box 11 is electrically connected to the air control valve 4 , the air compressor 6 , the refrigerating machine 7 , the molecular sieve adsorption tower 10 and the display screen 12 .

In the prior art, the refrigerating machine of the oxygen production system is installed and controlled separately. If the refrigerating machine fails, the air compressor can work normally, and a large amount of compressed air will carry moisture into the molecular sieve adsorption tower, resulting in the adsorption tower. The molecular sieve inside will fail quickly and cannot produce oxygen, resulting in the damage of the oxygen production system and causing serious losses. Therefore, a dew point sensor is installed at the air outlet of the refrigerating machine 7, and the dew point sensor is electrically connected to the display screen; the dew point sensor in the refrigerating machine is in operation. Dew point detection is carried out, and the detection result is displayed on the display screen 12. When the detection result exceeds the set value, an abnormal alarm will be issued; the safety of the oxygen production system is greatly improved, and the molecular sieve adsorption tower 10 and the entire oxygen production system are increased. service life.

Both the coarse filter and the precision filter are integrated post-filters, which can save installation space, reduce pressure loss in the air circuit, improve filtration efficiency, and reduce parts that need to be replaced during replacement and maintenance.

The air outlet of the nitrogen muffler 4 is located below the heat dissipation port 101 of the chassis, which can discharge nitrogen while radiating and exhausting air. In this way, installing an exhaust channel outside the heat dissipation port 101 of the chassis can play the role of heat dissipation and exhaust air and nitrogen discharge at the same time; reduce The installation of the exhaust channel enhances the air circulation and improves the stability of the oxygen production system.

When the oxygen production system is working, the external air first enters the compressor 6 through the air inlet 602 of the air compressor for compression, and then the compressed air enters the air buffer tank 3 for buffering, and the buffered air enters the coarse filter for coarse filtration. Miscellaneous, the air after the rough filtration enters the refrigerating machine 7 to cool down and dry to remove the water vapor, and then the air enters the precision filter to filter again; the filtered air enters the two molecular sieve adsorption towers 10 after adjusting the pressure through the pressure reducing valve. Oxygen separation, under the control of the air control valve 4, when the pressure drops, nitrogen is discharged from the nitrogen outlet of the molecular sieve adsorption tower 10, and the nitrogen is discharged through the nitrogen muffler 5 at the heat dissipation port 101 of the chassis; oxygen is controlled by the air control valve 4 and adsorbed from the molecular sieve. The oxygen outlet of the tower 10 enters the oxygen buffer tank 2 , and then high-concentration clean oxygen is output through the oxygen outlet 9 .

Claims (4)

1. integral type integrates oxygen generation system, including cabinet (1)；It is characterized in that, the upper and lower sides all around of cabinet (1) are designed with Case lid, cabinet (1) is internal to install oxygen surge tank (2), air cushion tank (3), Pneumatic valve (4), nitrogen muffler (5), air Compressor (6), cooling driers (7), pressure reducing valve, coarse filter and accurate filter；Support plate is equipped on the left of the middle part of cabinet (1) (8), support plate (8) top left side installation oxygen surge tank (2) and air cushion tank (3), oxygen surge tank (2) connection are located at machine Oxygen outlet (9) on the left of case (1) on case lid；Pneumatic valve (4) are all installed in right side at the top and bottom of support plate (8), support plate (8) Top right side also installs nitrogen muffler (5)；Cabinet (1) lower left quarter installs air compressor (6), the radiation air of air compressor Mouth (601) is located at the lower left quarter of the Front cover of cabinet (1), and the air intlet (602) of air compressor is located on the left of cabinet (1) On case lid；Cooling driers (7) are installed on the right side of air compressor (6), and the heat dissipation air port (701) of cooling driers is located on rear side of cabinet (1) The bottom of case lid, cooling driers (7) top are equipped with cooling driers radiator (702)；Install two points in case lid front on the right side of cabinet (1) Son sieve adsorption tower (10)；Case lid rear portion installation control cabinet (11) and display screen (12), control cabinet on rear side of cabinet (1) are set on (11) There are control button (13)；The air inlet of gas outlet connection air cushion tank (3) of air compressor (6), air cushion tank (3) Gas outlet connects the air inlet of coarse filter, and the gas outlet of coarse filter connects the air inlet of cooling driers (7), cooling driers (7) Gas outlet connects the air inlet of accurate filter, and the gas outlet connection molecule of accurate filter sieves the air inlet of adsorption tower (10), The nitrogen outlet of adsorbing tower with molecular sieve (10) connects nitrogen muffler (5), and the oxygen outlet of adsorbing tower with molecular sieve (10) connects oxygen Gas surge tank (2) is designed with Pneumatic valve (4) at the nitrogen outlet and oxygen outlet of adsorbing tower with molecular sieve (10)；Accurate filter Pressure reducing valve is additionally provided between adsorbing tower with molecular sieve (10)；Case lid on the upside of cabinet (1) is equipped with case radiation mouth (101)；Control Case (11) electrical connection Pneumatic valve (4), air compressor (6), cooling driers (7), adsorbing tower with molecular sieve (10) and display screen (12) processed.

2. integral type according to claim 1 integrates oxygen generation system, which is characterized in that pacify at the gas outlet of cooling driers (7) Dew point transducer is filled, dew point transducer is electrically connected display screen (12).

3. integral type according to claim 1 integrates oxygen generation system, which is characterized in that the coarse filter and secondary filter Device is all integral type post-filter.

4. integral type according to claim 1 integrates oxygen generation system, which is characterized in that the air outlet of nitrogen muffler (5) Below case radiation mouth (101).