CN211952258U - Medical gas pressure reduction system - Google Patents
Medical gas pressure reduction system Download PDFInfo
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- CN211952258U CN211952258U CN202020465546.5U CN202020465546U CN211952258U CN 211952258 U CN211952258 U CN 211952258U CN 202020465546 U CN202020465546 U CN 202020465546U CN 211952258 U CN211952258 U CN 211952258U
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Abstract
The utility model discloses a medical gas decompression system, including total stop valve, second grade decompression case, supplementary decompression unit and oxygen flow monitor, total stop valve, second grade decompression case and oxygen flow monitor connect gradually. The inlet end of the second-stage pressure reducing tank is connected with a first stop valve in series, the output end of the second-stage pressure reducing tank is connected with a second stop valve in series, two pressure reducing units are connected in parallel in the second-stage pressure reducing tank, and each pressure reducing unit comprises a third stop valve, a first pressure reducing valve, a first throttle valve and a fourth stop valve which are connected in sequence. The auxiliary pressure reducing unit is connected with the second-stage pressure reducing tank, the first stop valve and the second stop valve in parallel, and the auxiliary pressure reducing unit comprises a fifth stop valve, a second pressure reducing valve, a second throttle valve and a sixth stop valve which are connected in sequence. Above-mentioned medical gas pressure reduction system, when damaging in the second grade decompression case, can use supplementary decompression unit decompression, need not whole maintenance of cutting off the gas, can not influence the use of daily oxygen suppliment.
Description
Technical Field
The utility model relates to a gaseous decompression technical field, concretely relates to medical gaseous decompression system.
Background
With the improvement of modern medical treatment level and the rapid development of medical industry, the ward equipment is driven to develop rapidly. Oxygen has a great role in the medical industry, and therefore medical centers are equipped with oxygen supply systems to meet the oxygen demand.
The oxygen gas output from the oxygen supply system is a high-pressure gas, and the high-pressure gas needs to be depressurized and then mixed with air to be supplied to a patient. At present, high-pressure gas is generally decompressed through a two-stage decompression tank, but the decompression valve in the decompression tank is easily damaged because the decompression valve is subjected to high-pressure gas impact for a long time. When the decompression case needs maintenance, need whole maintenance of cutting off gas at present, influence the use of daily oxygen suppliment.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a medical gas pressure reduction system, which solves the problem that the maintenance of the conventional pressure reduction system requires the maintenance of the whole system.
A medical gas pressure reduction system comprises a main stop valve, a secondary pressure reduction box, an auxiliary pressure reduction unit and an oxygen flow monitor;
the main stop valve, the secondary pressure reduction box and the oxygen flow monitor are sequentially connected, the inlet end of the secondary pressure reduction box is connected with a first stop valve in series, and the outlet end of the secondary pressure reduction box is connected with a second stop valve in series;
two pressure reducing units are connected in parallel in the secondary pressure reducing tank, and each pressure reducing unit comprises a third stop valve, a first pressure reducing valve, a first throttling valve and a fourth stop valve which are connected in sequence;
the auxiliary pressure reducing unit is connected with the second-stage pressure reducing tank, the first stop valve and the second stop valve in parallel, and the auxiliary pressure reducing unit comprises a fifth stop valve, a second pressure reducing valve, a second throttle valve and a sixth stop valve which are connected in sequence.
In one embodiment, a first pressure gauge is installed at one end, close to the first stop valve, of the master stop valve, and gas flows into the first stop valve or the fifth stop valve after passing through the first pressure gauge.
In one embodiment, the pressure reducing unit further comprises a second pressure gauge, and the second pressure gauge is installed at one end, far away from the first throttling valve, of the fourth stop valve.
In one embodiment, the auxiliary pressure reducing unit further comprises a third pressure gauge, and the third pressure gauge is installed at one end, away from the second throttling valve, of the sixth stop valve.
In one embodiment, a seventh stop valve and an eighth stop valve are respectively connected in series at two ends of the oxygen flow monitor, and the seventh stop valve is located between the oxygen flow monitor and the second stop valve.
In one embodiment, the oxygen flow monitor is connected in parallel with a bypass stop valve, one end of the bypass stop valve is connected with the inlet of the seventh stop valve, and the other end of the bypass stop valve is connected with the outlet of the eighth stop valve.
In one embodiment, the gas purifier further comprises a filter, wherein the filter is installed at one end, close to the first stop valve, of the main stop valve, and gas flows into the first stop valve or the fifth stop valve after passing through the filter.
In one embodiment, the oxygen flow monitor further comprises a safety valve, and the safety valve is installed at one end, far away from the second stop valve, of the oxygen flow monitor.
Above-mentioned medical gas pressure relief system, when two decompression unit's in the second grade decompression case first relief pressure valve all damaged, can be through closing first stop valve and second stop valve, will assist decompression unit and establish ties to the pipeline in, the second relief pressure valve can realize the decompression to high-pressure gas temporarily, can need not whole gas break maintenance when maintenance second grade decompression case, can not influence the use of daily oxygen suppliment.
Drawings
Fig. 1 is a schematic structural view of a gas pressure reduction system in medical practice according to an embodiment.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, one embodiment of a medical gas depressurization system for depressurizing a high pressure gas, such as high pressure oxygen. Specifically, the medical gas pressure reduction system includes a main stop valve 100, a secondary pressure reduction tank 200, an auxiliary pressure reduction unit 300, and an oxygen flow rate monitor 400.
The main stop valve 100, the secondary decompression tank 200 and the oxygen flow rate monitor 400 are connected in sequence. Wherein, high-pressure gas enters into second grade decompression case 200 through total stop valve 100 from P1 in, second grade decompression case 200 can carry out the decompression to high-pressure gas, then other entering oxygen flow monitor 400 after the decompression, oxygen flow monitor 400 monitors the flow size of oxygen, and last gas is discharged from the export of P2.
The input end 202 of the two-stage pressure reduction tank 200 is connected in series with the first shutoff valve 110, and the output end 204 of the two-stage pressure reduction tank 200 is connected in series with the second shutoff valve 120. The first cut-off valve 110 is used to control the gas entering into the two-stage pressure reduction tank 200, and the second cut-off valve 120 is used to control the gas flowing out from the two-stage pressure reduction tank 200. Two decompression units 210 are connected in parallel in the secondary decompression tank 200, one decompression unit 210 can be selected arbitrarily to realize decompression of gas, and the two decompression units 210 can increase the working stability of the secondary decompression tank 200.
In one embodiment, a first pressure gauge 130 is installed at one end of the main stop valve 100 near the first stop valve 110, the first pressure gauge 130 is used for monitoring the pressure of high-pressure gas entering from the inlet of the P1, and the gas flows out to the first stop valve 110 or the auxiliary pressure reducing unit 300 through the first pressure gauge 130. In one embodiment, the medical gas pressure reduction system further comprises a filter 140, and the filter 140 is installed at one end of the main stop valve 100 near the first stop valve 110. Specifically, a filter 140 is installed between the first pressure gauge 130 and the master cut valve 100. The filter 140 can filter the high-pressure gas to prevent impurities in the high-pressure gas from contaminating the subsequent valves.
The decompression unit 210 includes a third cut-off valve 211, a first pressure reducing valve 212, a first throttle valve 213, and a fourth cut-off valve 214, and the third cut-off valve 211, the first pressure reducing valve 212, the first throttle valve 213, and the fourth cut-off valve 214 are connected in sequence. The high-pressure gas enters the first pressure reducing valve 212 through the third stop valve 211, the high-pressure gas enters the first throttle valve 213 after being reduced in pressure by the first pressure reducing valve 212, and finally the gas flows out of the output end 204 of the secondary pressure reducing tank 200 from the fourth stop valve 214 after the flow rate of the gas is regulated by the first throttle valve 213. In an embodiment, the pressure reducing unit 210 further includes a second pressure gauge 215, the second pressure gauge 215 is installed at an end of the fourth cut-off valve 214 away from the first throttle valve 213, and the second pressure gauge 215 is used for monitoring the pressure of the gas after pressure reduction.
The auxiliary pressure reducing unit 300 is a backup pressure reducing structure, and the auxiliary pressure reducing unit 300 is connected in parallel to the first shut valve 110, the second-stage pressure reducing tank 200, and the second shut valve 120. Specifically, the auxiliary pressure reducing unit 300 includes a fifth cut-off valve 310, a second pressure reducing valve 320, a second throttle valve 330, and a sixth cut-off valve 340, and the fifth cut-off valve 310, the second pressure reducing valve 320, the second throttle valve 330, and the sixth cut-off valve 340 are connected in series in this order. When both the first pressure reducing valves 212 of the two-stage pressure reducing tank 200 are damaged, the connection of the two-stage pressure reducing tank 200 is disconnected by closing the first stop valve 110 and the second stop valve 120, the high-pressure gas entering from the inlet of the P1 passes through the master cut valve 100, enters the second pressure reducing valve 320 through the fifth stop valve 310, the second pressure reducing valve 320 reduces the pressure of the high-pressure gas, then the gas enters the second throttle valve 330, the second throttle valve 330 regulates the flow rate of the gas, and finally the gas flows into the oxygen flow rate monitor 400 through the sixth stop valve 340 and finally is discharged from the outlet of the P2.
In one embodiment, the auxiliary pressure reducing unit 300 further includes a third pressure gauge 350, and the third pressure gauge 350 is installed at an end of the sixth cut-off valve 340 far from the second throttle valve 330, i.e., the sixth cut-off valve 340 is located between the third pressure gauge 350 and the second throttle valve 330. The third pressure gauge 350 is used for monitoring the pressure of the gas decompressed by the second decompression valve 320.
In one embodiment, the two ends of the oxygen flow monitor 400 are respectively connected in series with a seventh stop valve 410 and an eighth stop valve 420, the seventh stop valve 410 is located between the oxygen flow monitor 400 and the second stop valve 120, the seventh stop valve 410 is used for controlling the gas to enter the oxygen flow monitor 400, and the eighth stop valve 420 is used for controlling the gas discharge in the oxygen flow monitor 400. The oxygen flow rate monitor 400 is connected in parallel with a bypass cut-off valve 500, one end of the bypass cut-off valve 500 is connected to an inlet of the seventh cut-off valve 410, and the other end of the bypass cut-off valve 500 is connected to an outlet of the eighth cut-off valve 420. When the oxygen flow rate monitor 400 is damaged, the seventh cut-off valve 410 and the eighth cut-off valve 420 are closed, the bypass cut-off valve 500 is opened, and the gas decompressed by the secondary decompression tank 200 flows into the bypass cut-off valve 500 through the second cut-off valve 120 and is then discharged from the outlet P2.
In one embodiment, the medical gas pressure reduction system further includes a safety valve 600, the safety valve 600 is installed at an end of the oxygen flow rate monitor 400 away from the second stop valve 120, and the gas flowing out through the oxygen flow rate monitor 400 is discharged through the safety valve 600. The safety valve 600 may prevent the pipeline from being damaged by discharging gas to the outside of the system when the pipeline pressure is higher than a prescribed value, thereby securing the safety of the pipeline.
The working principle of the medical gas pressure reduction system is as follows:
the gas enters the main shutoff valve 100 through the P1, is filtered by the filter 140, and then sequentially enters the two-stage pressure reducing tank 200 through the first pressure gauge 130 and the first shutoff valve 110. Either of the two decompression units 210 in the secondary decompression tank 200 operates. The method specifically comprises the following steps: the gas enters the first pressure reducing valve 212 through the third stop valve 211, after the gas is reduced in pressure by the first pressure reducing valve 212, the gas enters the first throttle valve 213 to regulate the flow, and finally flows out of the output end 204 of the secondary pressure reducing tank 200 through the fourth stop valve 214 and the second pressure gauge 215 in sequence.
The gas flowing out from the output end 204 of the two-stage pressure reduction tank 200 enters the oxygen flow rate monitor 400 through the second and seventh cut-off valves 120 and 410, the oxygen flow rate monitor 400 monitors the flow rate of the gas, and then the gas passes through the eighth cut-off valve 420 and the safety valve 600 in sequence and is discharged from the outlet P2.
When the pressure reducing unit 210 operating in the secondary pressure reducing tank 200 is damaged, another pressure reducing unit 210 may be used. When both the pressure reducing units 210 in the two-stage pressure reducing tank 200 are damaged, the first shut valve 110 and the second shut valve 120 are closed. The gas from the first pressure gauge 130 enters the second pressure reducing valve 320 through the fifth stop valve 310, the gas enters the second throttle valve 330 to regulate the flow rate after being reduced in pressure by the second pressure reducing valve 320, finally the gas sequentially flows into the oxygen flow rate monitor 400 through the sixth stop valve 340, the third pressure gauge 350 and the seventh stop valve 410, the oxygen flow rate monitor 400 monitors the flow rate of the gas, and then the gas sequentially passes through the eighth stop valve 420 and the safety valve 600 to be discharged from the outlet P2.
When the oxygen flow rate monitor 400 is damaged, the bypass cut-off valve 500 is opened by closing the seventh cut-off valve 410 and the eighth cut-off valve 420, and the gas decompressed by the secondary decompression tank 200 flows into the bypass cut-off valve 500 through the second cut-off valve 120 and is then discharged from the outlet of the P2 through the safety valve 600.
Above-mentioned medical gas decompression system, when two decompression unit 210's first relief pressure valve 212 all damaged in second grade decompression case 200, supplementary decompression unit 300 can realize the decompression to high-pressure gas temporarily, need not whole maintenance of cutting off the gas, when oxygen flow monitor 400 damaged simultaneously, also can open bypass stop valve 500, also need not the maintenance of cutting off the gas, medical gas decompression system convenient to use can not influence the use of daily oxygen suppliment, and stability is higher.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A medical gas decompression system is characterized by comprising a main stop valve, a secondary decompression box, an auxiliary decompression unit and an oxygen flow monitor;
the main stop valve, the secondary pressure reduction box and the oxygen flow monitor are sequentially connected, the inlet end of the secondary pressure reduction box is connected with a first stop valve in series, and the outlet end of the secondary pressure reduction box is connected with a second stop valve in series;
two pressure reducing units are connected in parallel in the secondary pressure reducing tank, and each pressure reducing unit comprises a third stop valve, a first pressure reducing valve, a first throttling valve and a fourth stop valve which are connected in sequence;
the auxiliary pressure reducing unit is connected with the second-stage pressure reducing tank, the first stop valve and the second stop valve in parallel, and the auxiliary pressure reducing unit comprises a fifth stop valve, a second pressure reducing valve, a second throttle valve and a sixth stop valve which are connected in sequence.
2. The medical gas pressure reduction system according to claim 1, wherein a first pressure gauge is installed at one end of the main stop valve close to the first stop valve, and gas flows into the first stop valve or the fifth stop valve after passing through the first pressure gauge.
3. The medical gas pressure reduction system according to claim 1, wherein the pressure reduction unit further comprises a second pressure gauge installed at an end of the fourth shut-off valve away from the first throttle valve.
4. The medical gas pressure reduction system according to claim 1, wherein the auxiliary pressure reduction unit further comprises a third pressure gauge installed at an end of the sixth shutoff valve away from the second throttle valve.
5. The medical gas pressure reduction system according to claim 1, wherein a seventh stop valve and an eighth stop valve are respectively connected in series to both ends of the oxygen flow monitor, and the seventh stop valve is located between the oxygen flow monitor and the second stop valve.
6. The medical gas pressure reduction system according to claim 5, wherein a bypass cut-off valve is connected in parallel to the oxygen flow rate monitor, one end of the bypass cut-off valve is connected to an inlet of the seventh cut-off valve, and the other end of the bypass cut-off valve is connected to an outlet of the eighth cut-off valve.
7. The medical gas pressure reduction system according to claim 1, further comprising a filter mounted at an end of the main stop valve near the first stop valve, wherein the gas flows into the first stop valve or the fifth stop valve after passing through the filter.
8. The medical gas pressure reduction system according to claim 1, further comprising a safety valve mounted at an end of the oxygen flow monitor remote from the second shut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020465546.5U CN211952258U (en) | 2020-04-01 | 2020-04-01 | Medical gas pressure reduction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020465546.5U CN211952258U (en) | 2020-04-01 | 2020-04-01 | Medical gas pressure reduction system |
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| Publication Number | Publication Date |
|---|---|
| CN211952258U true CN211952258U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020465546.5U Active CN211952258U (en) | 2020-04-01 | 2020-04-01 | Medical gas pressure reduction system |
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| CN (1) | CN211952258U (en) |
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2020
- 2020-04-01 CN CN202020465546.5U patent/CN211952258U/en active Active
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