CN219530573U - Integrated valves of oxygenerator pipeline - Google Patents

Abstract

The utility model provides an integrated valve bank of an oxygenerator pipeline, which comprises a valve body connected with a first adsorption tower and a second adsorption tower, wherein a first channel connected with an air outlet of the first adsorption tower and the second adsorption tower, a second channel communicated with the first channel and connected with an air inlet of the first adsorption tower, and a third channel communicated with the second channel and connected with an air inlet of the second adsorption tower are arranged in the valve body, an air supply channel respectively communicated with the air inlets of the first adsorption tower and the second adsorption tower for providing air and an oxygen outlet channel for discharging oxygen are also arranged on the valve body, and a control valve bank for controlling the air pressure balance in each channel under the condition of disconnection of the first channel, the second channel, the third channel and the air supply channel is also arranged on the valve body. When the adsorption tower is installed, only the air inlets and the air outlets of the two adsorption towers are required to be installed on the corresponding channels, so that the adsorption tower is more convenient to install, simpler in structure, and more attractive in appearance, and realizes integrated installation.

Description

Integrated valves of oxygenerator pipeline

Technical Field

The utility model relates to the technical field of oxygenerator equipment, in particular to an integrated valve group of an oxygenerator pipeline.

Background

The molecular sieve oxygenerator generally adopts a pressurized adsorption normal pressure desorption (HP) method, and two or more adsorption towers respectively perform the same circulation process, so that continuous gas supply is realized. The oxygen generator comprises a first adsorption tower and a second adsorption tower, wherein the first adsorption tower is in a desorption state, the second adsorption tower is in an oxygen pressurizing and pressing state, at the moment, the adsorption tower in the desorption state can be purged by utilizing oxygen discharged from the adsorption tower in the oxygen pressurizing and pressing state, high-pressure oxygen enters, and the desorption of nitrogen can be greatly accelerated only in a few seconds, so that when the oxygen generator is installed, a plurality of control valves and connecting pipelines matched with the control valves are required to be installed between the two adsorption towers to realize the state conversion between the two adsorption towers.

Currently, chinese patent publication No. CN213679826U discloses a control valve integrated device for an oxygenerator, which includes: the device comprises an air inlet valve group, an air outlet valve group, a pressure equalizing valve group and a bottom plate; the air inlet valve group, the air outlet valve group and the pressure equalizing valve group are all arranged on the bottom plate, an air flow channel is arranged in the bottom plate, the air inlet valve group and the air outlet valve group are communicated through the air flow channel, the air outlet valve group is communicated with the bottom of the molecular sieve tower through a pipeline, and the pressure equalizing valve group is communicated with the top of the molecular sieve tower through a pipeline; the air inlet valve group comprises a plurality of air inlet valves which are arranged on the bottom plate in parallel, an air inlet channel is arranged in the bottom plate, and the air inlet valves are communicated through the air inlet channel; the exhaust valve group comprises a plurality of exhaust valves which are arranged on the bottom plate in parallel, an exhaust channel is arranged in the bottom plate, and the exhaust valves are communicated through the exhaust channel.

Although the control valve integrated device can reduce the number of joints and mounting pipelines, when the control valve integrated device is used, an air inlet valve group, an air outlet valve group and a pressure equalizing valve group are still required to be arranged on a bottom plate, and the pressure balance in a gas flow channel is controlled by the combination of a plurality of groups of valve groups with different functions, so that the control valve integrated device is inconvenient to mount an oxygenerator even though the number of pipelines is reduced, and the number of valves is increased.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model is directed to providing an integrated valve set for an oxygen generator pipeline, which is used for solving the problem that in the prior art, when an adsorption tower is connected, a plurality of groups of different functional valve sets need to be arranged, so that the structure is complex and the installation is inconvenient.

In order to achieve the above and other related objects, the utility model provides an integrated valve set for an oxygen generator pipeline, which comprises a valve body connected with a first adsorption tower and a second adsorption tower, wherein a first channel connected with an air outlet of the first adsorption tower and a second channel communicated with the first channel and connected with an air inlet of the first adsorption tower, and a third channel communicated with the second channel and connected with an air inlet of the second adsorption tower are arranged in the valve body, an air supply channel communicated with the air inlets of the first adsorption tower and the second adsorption tower respectively and an oxygen outlet channel used for discharging oxygen are also arranged on the valve body, and a control valve set for controlling the air pressure balance in each channel under the condition of disconnection of the first channel, the second channel, the third channel and the air supply channel is also arranged on the valve body.

Through adopting above-mentioned technical scheme, can realize the intercommunication of air inlet and gas outlet between two adsorption towers through first passageway in the valve body, second passageway and third passageway, then the outage condition of each pipeline is controlled to the control valves that the rethread set up on the valve body, thereby can realize the mutual air supplementing between two adsorption towers, and can adjust the atmospheric pressure between two adsorption towers through the control valves, thereby only need just can realize the normal operating of two adsorption towers through the interior outage valve of control valves, need not install other extra valves such as equalizing valve again, during the installation moreover, only need install the air inlet and the gas outlet of two adsorption towers on corresponding passageway, make the installation more convenient, the structure is simpler, realize the installation of integrating, make whole more pleasing to the eye.

In an embodiment of the utility model, the first channel includes a first sub-channel connected to the air outlet of the first adsorption tower, a second sub-channel connected to the air outlet of the second adsorption tower, and a third sub-channel connecting the first sub-channel and the second sub-channel, where the first sub-channel and the second sub-channel are symmetrically arranged relative to the valve body.

Through adopting above-mentioned technical scheme, can make the gas outlet of first adsorption tower of first minute passageway connection, make the gas outlet of second adsorption tower of second minute passageway connection again, make both communicate through the third minute passageway at last, and then make the gas outlet of first adsorption tower and the gas outlet intercommunication of second adsorption tower, can be in making first adsorption tower and second adsorption tower realize mutually complementary gas through first passageway, the last uniformity of two adsorption towers is adjusted.

In an embodiment of the utility model, the second channel comprises a fourth sub-channel for connecting with the air inlet of the first adsorption tower and a fifth sub-channel for connecting the fourth sub-channel with the third sub-channel, and the connection part of the fifth sub-channel and the third sub-channel is positioned at the bilateral symmetry plane of the valve body.

Through adopting above-mentioned technical scheme, can make fourth subchannel pass through fifth subchannel and third subchannel intercommunication to can realize the intercommunication of first adsorption tower air inlet and second adsorption tower gas outlet, second adsorption tower gas outlet exhaust gas can flow to fourth subchannel by the second subchannel, make the gas input in the second adsorption tower to the air inlet of first adsorption tower, thereby can adjust the upper and lower pressure equalizing of first adsorption tower air inlet and second adsorption tower gas outlet.

In an embodiment of the present utility model, the third channel includes a sixth sub-channel symmetrically disposed about the fourth sub-channel and connected to the inlet of the second adsorption tower, and a seventh sub-channel connecting the fifth sub-channel and the sixth channel.

Through adopting above-mentioned technical scheme, make sixth subchannel and fifth subchannel intercommunication, can make sixth subchannel communicate with first channel through the second passageway to make the air inlet of second adsorption tower and the gas outlet intercommunication of first adsorption tower, make first adsorption tower gas outlet exhaust gas can flow to sixth subchannel by first subchannel, make the gas input in the first adsorption tower to the air inlet of second adsorption tower, thereby adjust the upper and lower pressure equalizing of second adsorption tower air inlet and first adsorption tower gas outlet.

In an embodiment of the utility model, two ends of the air supply channel are respectively communicated with the fourth sub-channel and the sixth sub-channel, an air inlet end of the air supply channel is arranged at the center of the air supply channel, the oxygen outlet channel is positioned at the bilateral symmetry plane of the valve body, an oxygen outlet of the oxygen outlet channel is positioned at the intersection of the fifth sub-channel and the seventh sub-channel, and a plug for sealing is arranged at the other end of the oxygen outlet channel.

Through adopting above-mentioned technical scheme, can guarantee the normal input to first adsorption tower and second adsorption tower air through the air feed channel, air feed channel's inlet end sets up in center department simultaneously, can be when giving two adsorption towers air feed respectively, guarantees that the delivery path is the same, sets up the oxygen outlet in valve body symmetry plane department again, when making first adsorption tower and second adsorption tower switch over each other, can not cause the influence to it.

In an embodiment of the utility model, the control valve group is arranged around the side surface of the valve body, and the control valve group comprises a first electromagnetic valve for controlling the disconnection of the first sub-channel and the third sub-channel, a second electromagnetic valve for controlling the disconnection of the second sub-channel and the third sub-channel, a third electromagnetic valve for controlling the disconnection of the fourth sub-channel and the fifth sub-channel, a fourth electromagnetic valve for controlling the disconnection of the sixth sub-channel and the seventh sub-channel, a fifth electromagnetic valve for controlling the disconnection of the air supply channel and the fourth sub-channel, and a sixth electromagnetic valve for controlling the communication of the air supply channel and the sixth sub-channel.

Through adopting above-mentioned technical scheme, come the outage condition of each passageway in the control valve body respectively through the different solenoid valves in the control valve group, set up the control valve group around the valve body side simultaneously, can make each solenoid valve correspond different passageways to install on the side of valve body, thereby the installation of solenoid valve is more convenient for, also utilize the processing of valve body more, only need simultaneously through the outage condition of controlling different solenoid valves just can realize functions such as the regulation of atmospheric pressure between two adsorption towers, normal operating and switching operation.

In an embodiment of the present utility model, an oxygenation assembly for discharging residual nitrogen in the first adsorption tower or the second adsorption tower is further disposed on the valve body, and the oxygenation assembly includes a first oxygenation channel connected to the first sub-channel for filling oxygen into the first sub-channel, a second oxygenation channel communicated with the second sub-channel for filling oxygen into the second sub-channel, a seventh electromagnetic valve for controlling the opening and closing of the first oxygenation channel, and an eighth electromagnetic valve for controlling the opening and closing of the second oxygenation channel.

Through adopting above-mentioned technical scheme, because the adsorption tower is through the nitrogen gas that adopts the mode of molecular sieve to adsorb in the air, so still partial nitrogen gas remains in the gas outlet department of first adsorption tower and second adsorption tower, so through setting up first oxygenating passageway and second oxygenating passageway on first subchannel and second subchannel to can fill pure oxygen in to first subchannel and the second subchannel, make the nitrogen gas of first adsorption tower and second adsorption tower gas outlet department unable enter into in the valve body, keep the normal preparation of oxygen.

In an embodiment of the present utility model, a connection port for connecting an external pressure gauge is further provided on the first channel, and the connection port is provided with two places and is respectively communicated with the first sub-channel and the second sub-channel.

Through adopting above-mentioned technical scheme, can install the manometer through two connector respectively to can discern the atmospheric pressure condition in first minute passageway and the second minute passageway, further judge the atmospheric pressure of first adsorption tower and second adsorption tower gas outlet.

The application method of the integrated valve group of the oxygenerator pipeline comprises the following steps: s1, starting a first adsorption tower, adjusting upper pressure equalizing, adjusting a control valve group, enabling an air outlet of the first adsorption tower to be communicated with an air outlet of a second adsorption tower, enabling the second adsorption tower to enter air from a second branch channel, and adjusting upper pressure equalizing of the first adsorption tower; s2, equalizing pressure under adjustment; the control valve group is adjusted to disconnect the air outlet of the first adsorption tower from the air outlet of the second adsorption tower, and to communicate the air inlet of the first adsorption tower with the air outlet of the second adsorption tower, so as to adjust the lower pressure equalizing of the first adsorption tower; s3, normal operation; the control valve group is adjusted, the air outlet of the first adsorption tower is communicated with the oxygen outlet channel, the air supply channel is communicated with the air inlet of the first adsorption tower, and the air inlet of the first adsorption tower is disconnected with the air outlet of the second adsorption tower; s4, switching air paths; after the first adsorption tower runs to rated load, the control valve group is regulated, the air supply channel is closed, and the second adsorption tower is switched to; s5, adjusting the upper pressure equalizing of the second adsorption tower, adjusting the control valve group to enable the air outlet of the first adsorption tower to be communicated with the air outlet of the second adsorption tower, and enabling the first adsorption tower to enter air from the first sub-channel, and adjusting the upper pressure equalizing of the second adsorption tower; s6, adjusting the control valve group uniformly, disconnecting the air outlet of the first adsorption tower from the air outlet of the second adsorption tower, communicating the air outlet of the first adsorption tower with the air inlet of the second adsorption tower, and adjusting the lower pressure equalizing of the second adsorption tower; s7, normal operation; the control valve group is adjusted, the air outlet of the second adsorption tower is communicated with the oxygen outlet channel, the air supply channel is communicated with the air inlet of the second adsorption tower, and the air outlet of the first adsorption tower is disconnected with the air inlet of the second adsorption tower; s8, switching air paths, and enabling the first adsorption tower and the second adsorption tower to work alternately according to the circulation of the steps, so that the first adsorption tower and the second adsorption tower reciprocate.

Through adopting above-mentioned technical scheme, can carry out atmospheric pressure regulation through this method before first adsorption tower normal operating, carry out the air feed to first adsorption tower gas outlet through the second adsorption tower earlier, guarantee that the upper uniformity of first adsorption tower and second adsorption tower, the rethread second adsorption tower carries out the air feed to the air inlet of first adsorption tower, guarantee that the upper and lower uniformity of first adsorption tower and second adsorption tower, thereby after accomplishing the pressure regulation of first adsorption tower, make first adsorption tower normal operating, the second adsorption tower governing mode is the same with first adsorption tower.

In an embodiment of the present utility model, in the step S1, the first oxygenation channel and the second oxygenation channel are opened synchronously; in the step S2, the second oxygenation channel is closed, and only the first oxygenation channel is opened to maintain the air pressure of the air outlet of the first adsorption tower; in the step S3, the first oxygenation channel is closed, and the second oxygenation channel is opened; in the step S4, the first oxygenation channel and the second oxygenation channel are opened; in the step S5, the first oxygenation channel is closed, and only the second oxygenation channel is opened to maintain the air pressure of the air outlet of the first adsorption tower; in the step S6, the second oxygenation channel is closed, and the first oxygenation channel is opened.

Through adopting above-mentioned technical scheme, can be when first adsorption tower or second adsorption tower give vent to anger the gas tower gas outlet, through the switching of different oxygenating passageway, can both guarantee that the nitrogen gas of gas outlet department can not enter into in first adsorption tower and the second adsorption tower in the valve body.

As described above, the oxygenerator pipeline integrated valve group has the following beneficial effects: the air inlet and the air outlet of the two adsorption towers can be communicated through the first channel, the second channel and the third channel in the valve body, then the turn-off condition of each pipeline is controlled through the control valve group arranged on the valve body, so that the mutual air supplementing between the two adsorption towers can be realized, the air pressure between the two adsorption towers can be regulated through the control valve group, the normal operation of the two adsorption towers can be realized only through the turn-off valve in the control valve group, other additional valve groups such as a pressure equalizing valve are not required to be installed, and in addition, during the installation, only the air inlet warehouse and the air outlet of the two adsorption towers are required to be installed on the corresponding channels, so that the installation is more convenient, the structure is simpler, the integrated installation is realized, and the whole is more attractive.

Drawings

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

FIG. 2 is a schematic view showing the internal structure of a valve body according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a first channel according to an embodiment of the utility model;

FIG. 4 is a schematic diagram showing the flow direction of the gas path in step S1 in the method of using the present utility model;

FIG. 5 is a schematic diagram showing the flow direction of the gas path in step S2 in the method of using the present utility model;

FIG. 6 is a schematic diagram showing the flow direction of the air path in step S3 in the method of using the present utility model;

FIG. 7 is a schematic diagram showing the flow direction of the air path in step S4 in the method of using the present utility model;

FIG. 8 is a schematic diagram showing the flow direction of the air path in step S5 in the method of using the present utility model;

FIG. 9 is a schematic diagram showing the flow direction of the gas path in step S6 in the method of using the present utility model;

FIG. 10 is a schematic diagram showing the flow direction of the gas path in step S7 in the method of using the present utility model;

description of element reference numerals

1. A valve body; 2. a first channel; 3. a second channel; 4. a third channel; 5. a control valve group; 6. an oxygenation assembly; 7. a gas supply channel; 8. an oxygen outlet channel;

100. a first sub-channel; 101. a second sub-channel; 102. a third sub-channel; 103. a fourth sub-channel; 104. a fifth sub-channel; 105. a sixth sub-channel; 106. a seventh sub-channel; 107. an oxygen outlet; 108. a plug; 109. an air inlet;

200. a first electromagnetic valve; 201. a second electromagnetic valve; 202. a third electromagnetic valve; 203. a fourth electromagnetic valve; 204. a fifth electromagnetic valve; 205. a sixth electromagnetic valve;

300. a first oxygenation channel; 301. a second oxygenation channel; 302. a seventh electromagnetic valve; 303. an eighth electromagnetic valve; 304. and a connecting port.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 10. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

The utility model is mainly applied to an oxygenerator, which specifically comprises a first adsorption tower and a second adsorption tower, wherein air inlets of the first adsorption tower and the second adsorption port are arranged on the lower side, and air outlets of the first adsorption tower and the second adsorption tower are arranged on the upper side.

As shown in fig. 1 and 2, the utility model provides an integrated valve group of an oxygenerator pipeline, which comprises a valve body 1 for connecting a first adsorption tower and a second adsorption tower, a first channel 2 which is arranged in the valve body 1 and used for connecting an air outlet of the first adsorption tower and an air outlet of the second adsorption tower, a second channel 3 which is communicated with the first channel 2 and is connected with an air inlet 109 of the first adsorption tower, and a third channel 4 which is communicated with the second channel 3 and is connected with the air inlet 109 of the second adsorption tower.

As shown in fig. 3, the first passage 2 includes a first sub-passage 100 connected to the gas outlet of the first adsorption tower, a second sub-passage 101 connected to the gas outlet of the second adsorption tower, and a third sub-passage 102 connecting the first sub-passage 100 and the second sub-passage 101.

The first sub-channel 100 is arranged on one side of the valve body 1 along the vertical direction, the upper end of the first sub-channel 100 penetrates through the valve body 1 to be connected with an air outlet of an external first adsorption tower, the lower end of the first sub-channel 100 is connected with one end of a third sub-channel 102, the second sub-channel 101 and the first sub-channel 100 are arranged in bilateral symmetry relative to the central surface of the valve body 1, the upper end of the second sub-channel 101 is connected with an air outlet of the second adsorption tower, the lower end of the second sub-channel 101 is connected with the other end of the third sub-channel 102, and the third sub-channel 102 is arranged along the horizontal direction.

Can be when the installation, can be connected with first adsorption tower gas outlet by first subchannel 100 upper end opening, second subchannel 101 upper end opening is connected with the gas outlet of second adsorption tower to can realize the gas outlet of first adsorption tower and the gas outlet intercommunication of second adsorption tower through first channel 2.

The second channel 3 is used for communicating the air outlet of the second adsorption tower with the air inlet 109 of the first adsorption tower, so as to adjust the upper and lower pressure equalizing between the air outlet of the second adsorption tower and the air inlet 109 of the first adsorption tower, and the second channel 3 comprises a fourth sub-channel 103 used for being connected with the air inlet 109 of the first adsorption tower and a fifth sub-channel 104 used for connecting the fourth sub-channel 103 with the third sub-channel 102.

The fourth sub-channel 103 is arranged along the vertical direction and along the same axis with the first sub-channel 100, the lower end of the fourth sub-channel 103 penetrates through the valve body 1 to be connected with an air inlet 109 of an external first adsorption tower, the upper end of the fourth sub-channel 103 is connected with one end of a fifth sub-channel 104, the fifth sub-channel 104 is arranged in an L shape, one side edge of the L shape of the fifth sub-channel 104 is arranged along the vertical direction and is positioned at the bilateral symmetry plane of the valve body 1, the other side edge of the L shape of the fifth sub-channel is arranged along the horizontal direction and is communicated with the fourth sub-channel 103, and the upper end of the fifth sub-channel 104 is communicated with the third sub-channel 102, so that the joint of the fifth sub-channel 104 and the third sub-channel 102 is positioned at the bilateral symmetry plane of the valve body 1.

The second passage 3 allows the gas outlet of the second adsorption tower to communicate with the gas inlet 109 of the first adsorption tower, so that the gas discharged from the gas outlet of the second adsorption tower enters the gas inlet 109 of the first adsorption tower.

The third channel 4 is used for communicating the air outlet of the first adsorption tower with the air inlet 109 of the second adsorption tower, so as to adjust the upper pressure equalizing and the lower pressure equalizing between the air outlet of the first adsorption tower and the air inlet 109 of the second adsorption tower, the third channel 4 comprises a sixth sub-channel 105 which is symmetrically arranged relative to the center plane of the valve body 1 and is opposite to the fourth sub-channel 103, the lower end of the sixth sub-channel 105 penetrates through the valve body 1 and is connected with the air inlet 109 of the second adsorption tower outside, the upper end of the sixth sub-channel 105 is connected with one end of a seventh sub-channel 106, the seventh sub-channel 106 is horizontally connected with the fifth sub-channel 104, the left end of the seventh sub-channel 106 is connected with the sixth sub-channel 105, and the seventh sub-channel 106 and one side edge of the fifth sub-channel 104 are arranged along the same axis.

The third passage 4 allows the gas inlet 109 of the second adsorption tower to communicate with the gas outlet of the first adsorption tower, so that the gas discharged from the gas outlet of the first adsorption tower can enter the gas inlet 109 of the second adsorption tower.

The valve body 1 is further provided with an air supply channel 7 which is respectively communicated with an air inlet 109 of the first adsorption tower and an air inlet 109 of the second adsorption tower to supply air and an oxygen outlet channel 8 used for discharging oxygen, the air supply channel 7 is arranged in the horizontal direction and is positioned at the lower side of the valve body 1, the left end of the air supply channel 7 is connected with the fourth sub-channel 103, the right end of the air supply channel 7 is connected with the sixth sub-channel 105, the air inlet 109 of the air supply channel 7 is arranged on the bilateral symmetry surface of the valve body 1, the oxygen outlet channel 8 is also positioned on the bilateral symmetry surface of the valve body 1, the oxygen outlet channel 8 coincides with one side of the fifth sub-channel 104 in the vertical direction, the oxygen outlet 107 of the oxygen outlet channel 8 is positioned at the junction of the fifth sub-channel 104 and the seventh sub-channel 106, and the upper end of the oxygen outlet channel 8 penetrates the valve body 1 and is provided with a plug 108 to be closed.

As shown in fig. 4, the valve body 1 is further provided with a control valve group 5 for controlling the opening and closing conditions of the first channel 2, the second channel 3, the third channel 4 and the air supply channel 7 to balance the air pressure in each channel, the control valve group 5 is arranged around the side surface of the valve body 1, and the control valve group 5 comprises a first electromagnetic valve 200 for controlling the opening and closing of the first sub-channel 100 and the third sub-channel 102, a second electromagnetic valve 201 for controlling the opening and closing of the second sub-channel 101 and the third sub-channel 102, a third electromagnetic valve 202 for controlling the opening and closing of the fourth sub-channel 103 and the fifth sub-channel 104, a fourth electromagnetic valve 203 for controlling the opening and closing of the sixth sub-channel 105 and the seventh sub-channel 106, a fifth electromagnetic valve 204 for controlling the opening and closing of the air supply channel 7 and the fourth sub-channel 103, and a sixth electromagnetic valve 205 for controlling the opening and closing of the air supply channel 7 and the sixth sub-channel 105.

The first electromagnetic valve 200 is arranged at the joint of the first sub-channel 100 and the third sub-channel 102, the driving part of the first electromagnetic valve 200 is arranged outside the valve body 1 and is positioned at the side of the valve body 1, the second electromagnetic valve 201 is arranged at the joint of the first sub-channel 100 and the third sub-channel 102 and is symmetrically arranged with the first electromagnetic valve 200, the third electromagnetic valve 202 is arranged at the joint of the fourth sub-channel 103 and the fifth sub-channel 104, the driving part of the third electromagnetic valve 202 is arranged outside the valve body 1 and is positioned below the first electromagnetic valve 200, the fourth electromagnetic valve 203 is arranged at the joint of the sixth sub-channel 105 and the seventh sub-channel 106 and is symmetrically arranged with the third electromagnetic valve 202, the fifth electromagnetic valve 204 is arranged at the joint of the air supply channel 7 and the fourth sub-channel 103, and the driving part of the fifth electromagnetic valve 204 is arranged outside the valve body 1 and is positioned below the third electromagnetic valve 202, and the sixth electromagnetic valve 205 is arranged at the joint of the air supply channel 7 and the sixth sub-channel 105 and is symmetrically arranged with the fifth electromagnetic valve 204.

The first solenoid valve 200 to the sixth solenoid valve 205 can be arranged around the valve body 1 in cooperation with the channel arrangement, thereby facilitating the installation and the processing of the valve body 1.

The valve body 1 is further provided with an oxygenation assembly 6 for discharging residual nitrogen in the first adsorption tower or the second adsorption tower, and the oxygenation assembly 6 comprises a first oxygenation channel 300 connected with the first sub-channel 100 and used for charging oxygen into the first sub-channel 100, a second oxygenation pipeline communicated with the second sub-channel 101 and used for charging oxygen into the second sub-channel 101, a seventh electromagnetic valve 302 for controlling the opening and closing of the first oxygenation channel 300, and an eighth electromagnetic valve 303 for controlling the opening and closing of the second oxygenation channel 301.

The first oxygenation channel 300 is L-shaped, one end of the first oxygenation channel 300 penetrates through the outside of the valve body 1 and is connected with the seventh electromagnetic valve 302, the other end of the first oxygenation channel 300 is connected with the first sub-channel 100, an oxygen inlet of the first oxygenation channel 300 is perpendicular to the end face of the valve body 1 and is matched with the seventh electromagnetic valve 302, the second oxygenation channel 301 is L-shaped, one end of the second oxygenation channel 301 penetrates through the outside of the valve body 1 and is connected with the eighth electromagnetic valve 303, the other end of the second oxygenation channel 301 is connected with the second sub-channel 101, and an oxygen inlet of the second oxygenation channel 301 is perpendicular to the end face of the valve body 1 and is matched with the eighth electromagnetic valve 303.

The oxygen charged into the oxygenation assembly 6 is pure oxygen, and the oxygen charged into the oxygenation assembly is regenerated gas prepared by oxygen production.

The opening and closing of the first and second oxygenation passages 300 and 301 can be controlled by controlling the seventh and eighth solenoid valves 302 and 303, respectively.

The first channel 2 is also provided with a connecting port 304 for connecting an external pressure gauge, the connecting port 304 is provided with two positions and is respectively communicated with the first sub-channel 100 and the second sub-channel 101, the connecting port 304 on the first sub-channel 100 is arranged relative to the first oxygenation channel 300, and the connecting port 304 on the second sub-channel 101 is arranged relative to the second oxygenation channel 301.

As shown in fig. 5 to 10, the embodiment of the utility model further provides a use method of the integrated valve set of the oxygen generator pipeline, which comprises the following steps:

s1, starting a first adsorption tower, adjusting upper pressure equalizing, adjusting a control valve group 5, enabling an air outlet of the first adsorption tower to be communicated with an air outlet of a second adsorption tower, enabling the second adsorption tower to enter air from a second branch channel 101, and adjusting upper pressure equalizing of the first adsorption tower;

s2, equalizing pressure under adjustment; the control valve group 5 is adjusted to disconnect the air outlet of the first adsorption tower from the air outlet of the second adsorption tower, and to communicate the air inlet 109 of the first adsorption tower with the air outlet of the second adsorption tower, so as to adjust the lower pressure equalizing of the first adsorption tower;

s3, normal operation; the control valve group 5 is adjusted to be communicated with the air outlet of the first adsorption tower and the oxygen outlet channel 8, the air supply channel 7 and the air inlet 109 of the first adsorption tower are communicated, and the air inlet 109 of the first adsorption tower and the air outlet of the second adsorption tower are disconnected;

s4, switching air paths; after the first adsorption tower runs to rated load, the control valve group 5 is regulated, the air supply channel 7 is closed, and the second adsorption tower is switched to;

s5, adjusting the upper pressure equalizing of the second adsorption tower, adjusting the control valve group 5 to enable the air outlet of the first adsorption tower to be communicated with the air outlet of the second adsorption tower, and enabling the first adsorption tower to enter air from the first sub-channel 100, and adjusting the upper pressure equalizing of the second adsorption tower;

s6, adjusting the control valve group 5 uniformly, disconnecting the air outlet of the first adsorption tower from the air outlet of the second adsorption tower, communicating the air outlet of the first adsorption tower with the air inlet 109 of the second adsorption tower, and adjusting the lower pressure equalizing of the second adsorption tower;

s7, normal operation; the control valve group 5 is adjusted to be communicated with the second adsorption tower air outlet and the oxygen outlet channel 8, the air supply channel 7 and the second adsorption tower air inlet 109, and the first adsorption tower air outlet and the second adsorption tower air inlet 109 are disconnected;

s8, switching air paths, and enabling the first adsorption tower and the second adsorption tower to work alternately according to the circulation of the steps, so that the first adsorption tower and the second adsorption tower reciprocate.

In the present utility model, the solenoid valve is opened to make the solenoid valve in a passage state, and the solenoid valve is closed to make the solenoid valve in an open state, and before step S1, the solenoid valve of the control valve group 5 is in a closed state.

As shown in fig. 5, in step S1, the control valve group 5 is adjusted, the first solenoid valve 200, the second solenoid valve 201, the seventh solenoid valve 302 and the eighth solenoid valve 303 are opened, the first sub-channel 100 is connected with the second sub-channel 101 by opening the first solenoid valve 200 and the second solenoid valve 201, the air outlet of the first adsorption tower is supplemented with air through the air outlet of the second adsorption tower, thereby adjusting the upper pressure equalizing of the air outlets of the first adsorption tower and the second adsorption tower, simultaneously opening the first oxygenation channel 300 and the second oxygenation channel 301 to prevent nitrogen in the air outlets of the first adsorption tower and the second adsorption tower from entering the channels, and starting step S2 after the duration of step S1 is 1S.

As shown in fig. 6, in step S2, the control valve group 5 is adjusted, the first electromagnetic valve 200 and the eighth electromagnetic valve 303 are closed, the second electromagnetic valve 201 and the seventh electromagnetic valve 302 are kept open, the third electromagnetic valve 202 is opened, the second branch pipe is communicated with the fourth branch pipe, so that the air outlet of the second adsorption tower is communicated with the air inlet 109 of the first adsorption tower, and air can be supplemented to the air inlet 109 of the first adsorption tower through the air outlet of the second adsorption tower, so that the up-and-down pressure equalizing adjustment of the air outlet of the second adsorption tower and the air inlet 109 of the first adsorption tower is realized, meanwhile, the seventh electromagnetic valve 302 is kept open, so that the air pressure balance of the air outlet of the first adsorption tower is maintained through the first oxygenation channel 300, the duration of step S2 is 5S, and the step S3 is started after 5S.

As shown in fig. 7, in step S3, the control valve group 5 is adjusted, the second electromagnetic valve 201 and the seventh electromagnetic valve 302 are closed, the seventh electromagnetic valve 302 is kept open, the first electromagnetic valve 200 and the fifth electromagnetic valve 204 are opened, the air outlet of the first adsorption tower is communicated with the oxygen outlet pipe, the air inlet 109 of the first adsorption tower is communicated with the air supply pipe, the normal operation of the first adsorption tower is maintained, the duration of step S3 is 44S, and step S5 is started after 44S.

As shown in fig. 8, in step S5, after the first adsorption tower is operated 44S, the molecular sieve adsorption saturation is switched to the second adsorption tower operation, the control valve group 5 is adjusted, the third electromagnetic valve 202 and the fifth electromagnetic valve 204 are closed, the first electromagnetic valve 200 is kept open, the second electromagnetic valve 201 and the eighth electromagnetic valve 303 are opened, the air outlet of the first adsorption tower is supplemented with air to the air outlet of the second adsorption tower, the upper pressure equalizing between the air outlet of the first adsorption tower and the air outlet of the second adsorption tower is adjusted, the duration of step S5 is 1S, and step S6 is started after 1S.

As shown in fig. 9, in step S6, the control valve group 5 is adjusted, the second electromagnetic valve 201 and the seventh electromagnetic valve 302 are closed, the first electromagnetic valve 200 and the eighth electromagnetic valve 303 are kept open, the fourth electromagnetic valve 203 is opened, the air outlet of the first adsorption tower is made to supplement the air inlet 109 of the second adsorption tower, the upper and lower pressure equalizing between the air outlet of the first adsorption tower and the air inlet 109 of the second adsorption tower is adjusted, the duration of step S6 is 5S, and step S7 is started after 5S.

As shown in fig. 10, in step S7, the control valve group 5 is adjusted, the first electromagnetic valve 200 and the eighth electromagnetic valve 303 are closed, the fourth electromagnetic valve 203 is kept open, the sixth electromagnetic valve 205 and the seventh electromagnetic valve 302 are opened, the air outlet of the second adsorption tower is communicated with the oxygen outlet channel 8, the air inlet 109 of the second adsorption tower is communicated with the air supply channel 7, the normal operation of the second adsorption tower is maintained, the duration of step S7 is 44S, and step S8 is started after 44S.

In step S8, the second adsorption tower is switched back to the first adsorption tower after adsorption saturation, and the above mode is installed, so that the second adsorption tower is reciprocally and alternately circulated.

When installing, only need install the air inlet 109 and the gas outlet of two adsorption towers on corresponding passageway, make the installation more convenient, the structure is simpler, has realized the installation of integrating, makes whole more pleasing to the eye.

In summary, the present utility model effectively overcomes the disadvantages of the prior art and has high industrial utility value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (8)

1. The utility model provides an integrated valves of oxygenerator pipeline, includes the valve body of connecting first adsorption tower and second adsorption tower, its characterized in that, be provided with in the valve body connect first adsorption tower and the second passageway of second adsorption tower gas outlet, with first passageway intercommunication and with the second passageway that first adsorption tower air inlet is connected, with second passageway intercommunication and with the third passageway that second adsorption tower air inlet is connected, still be provided with on the valve body respectively with first adsorption tower, second adsorption tower air inlet intercommunication provide the air feed passageway of air and be used for oxygen exhaust's play oxygen passageway, still be provided with control valve group that control first passageway, second passageway, third passageway, air feed passageway break-make the internal atmospheric pressure of each passageway balanced on the valve body.

2. The oxygenerator pipeline integrated valve block of claim 1, wherein: the first channel comprises a first sub-channel connected with the air outlet of the first adsorption tower, a second sub-channel connected with the air outlet of the second adsorption tower and a third sub-channel connected with the first sub-channel and the second sub-channel, and the first sub-channel and the second sub-channel are arranged in bilateral symmetry relative to the valve body.

3. The oxygenerator pipeline integrated valve block of claim 2, wherein: the second channel comprises a fourth sub-channel used for being connected with the air inlet of the first adsorption tower and a fifth sub-channel used for connecting the fourth sub-channel and the third sub-channel, and the joint of the fifth sub-channel and the third sub-channel is positioned at the bilateral symmetry plane of the valve body.

4. The oxygenerator manifold block of claim 3, wherein: the third channel comprises a sixth sub-channel which is arranged symmetrically on the left and right of the fourth sub-channel and is connected with the air inlet of the second adsorption tower, and a seventh sub-channel which is connected with the fifth sub-channel and the sixth sub-channel.

5. The oxygenerator manifold block of claim 4, wherein: the two ends of the air supply channel are respectively communicated with the fourth sub-channel and the sixth sub-channel, the air inlet end of the air supply channel is arranged at the center of the air supply channel, the oxygen outlet channel is positioned at the bilateral symmetry plane of the valve body, the oxygen outlet of the oxygen outlet channel is positioned at the intersection of the fifth sub-channel and the seventh sub-channel, and the other end of the oxygen outlet channel is provided with a plug for sealing.

6. The oxygenerator manifold block of claim 5, wherein: the control valve group is arranged around the side face of the valve body and comprises a first electromagnetic valve for controlling the first sub-channel to be disconnected with the third sub-channel, a second electromagnetic valve for controlling the second sub-channel to be disconnected with the third sub-channel, a third electromagnetic valve for controlling the fourth sub-channel to be disconnected with the fifth sub-channel, a fourth electromagnetic valve for controlling the sixth sub-channel to be disconnected with the seventh sub-channel, a fifth electromagnetic valve for controlling the air supply channel to be disconnected with the fourth sub-channel and a sixth electromagnetic valve for controlling the air supply channel to be communicated with the sixth sub-channel.

7. The oxygenerator manifold block of claim 5, wherein: the valve body is also provided with an oxygenation assembly for discharging residual nitrogen in the first adsorption tower or the second adsorption tower, the oxygenation assembly comprises a first oxygenation channel connected with the first sub-channel and used for filling oxygen into the first sub-channel, a second oxygenation pipeline communicated with the second sub-channel and used for filling oxygen into the second sub-channel, and the valve body further comprises a seventh electromagnetic valve for controlling the disconnection of the first oxygenation channel and an eighth electromagnetic valve for controlling the disconnection of the second oxygenation channel.

8. The oxygenerator pipeline integrated valve block of claim 1, wherein: the first channel is also provided with a connecting port for connecting an external pressure gauge, and the connecting port is provided with two parts which are respectively communicated with the first sub-channel and the second sub-channel.