CN220878310U - Medical compressed air supply equipment - Google Patents
Medical compressed air supply equipment Download PDFInfo
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- CN220878310U CN220878310U CN202322531625.8U CN202322531625U CN220878310U CN 220878310 U CN220878310 U CN 220878310U CN 202322531625 U CN202322531625 U CN 202322531625U CN 220878310 U CN220878310 U CN 220878310U
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- Prior art keywords
- output end
- compressed air
- heat exchanger
- air
- air supply
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 17
- 230000003584 silencer Effects 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 abstract description 18
- 238000011282 treatment Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000004108 freeze drying Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000010992 reflux Methods 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 moisture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Landscapes
- Drying Of Gases (AREA)
Abstract
The utility model relates to the technical field of compressed air supply, in particular to medical compressed air supply equipment, which comprises an air inlet port, an air filter, a silencer and a compression pump which are sequentially connected, wherein the output end of the compression pump is connected with a heat exchanger, and the heat exchanger is provided with two mutually independent channels, including an output end and an outflow end; the output end of the heat exchanger is sequentially connected with a condenser, a gas-water separator, an unloading valve and a three-way valve, and compressed air flows back into the heat exchanger from the main output end of the three-way valve; the outflow end of the heat exchanger is connected with a membrane dryer. The high-efficiency gas drying treatment system is adopted, and consists of a condenser, a steam-water separator heat exchanger, a membrane dryer and the like; the compressed air is subjected to double drying treatments of air cooling, water-vapor separation (i.e., freeze drying) and membrane separation drying.
Description
Technical Field
The utility model relates to the technical field of compressed air supply, in particular to medical compressed air supply equipment.
Background
In the construction of medical air supply equipment for domestic hospitals, the cleanliness and dryness of medical compressed air are correspondingly regulated according to the building technical specification (GB 50333-2002) of the clean operating department of hospitals, which is exported in 2002 by the Ministry of construction of the people's republic of China. The excessive moisture content can cause that the compressed air contains pollutants such as bacteria, microorganisms, grease and the like, which influence the normal operation and maintenance of equipment and even harm the health of patients.
Currently, there are three main types of drying systems for medical compressed air supply devices: adsorption drying, freeze drying, and membrane drying. Although the adsorption drying method and the freeze drying method can effectively reduce the moisture content of the compressed air, the adsorption drying method and the freeze drying method can not completely remove the moisture, and the output compressed air has lower dryness; while the film drying method can effectively improve the purity of the compressed air, the polymer film or the permeable film has certain requirements on the temperature, the humidity and the pressure of the compressed air, and the effect can be influenced by too high or too low; thereby greatly reducing its useful life and instability.
Disclosure of utility model
The technical problems to be solved are as follows: in order to overcome the defects of low dryness or short service life and instability of compressed air output by various types of drying treatment systems, the medical compressed air supply equipment is provided.
The technical proposal is as follows: the medical compressed air supply equipment comprises an air inlet port, an air filter, a silencer and a compression pump which are sequentially connected, wherein the output end of the compression pump is connected with a heat exchanger, and the heat exchanger is provided with two mutually independent channels, including an output end and an outflow end; the output end of the heat exchanger is sequentially connected with a condenser, a gas-water separator, an unloading valve and a three-way valve, and compressed air flows back into the heat exchanger from the main output end of the three-way valve; the outflow end of the heat exchanger is connected with a membrane dryer, the output end of the membrane dryer is connected with a gas storage tank, the output end of the gas storage tank is connected with a gas outlet assembly, and a first pressure indication is connected between the gas storage tank and the gas outlet assembly.
Further, a main output end of the unloading valve is connected with a three-way valve, and a side output end of the unloading valve is connected to an input end of the compression pump.
Further, a water outlet of the gas-water separator is connected with a first electromagnetic valve, and an output end of the first electromagnetic valve is connected with a discharge channel.
Further, the output end of the air storage tank is also connected with a second electromagnetic valve, and the output end of the second electromagnetic valve is connected with a discharge channel.
Further, a side output end of the three-way valve is connected to a discharge passage.
Further, the air inlet device also comprises a standby air inlet interface, and the output end of the standby air inlet interface is connected to the air outlet assembly; a second pressure indicator is connected between the standby air inlet interface and the air outlet assembly.
The beneficial effects of the utility model are as follows: 1. the high-efficiency gas drying treatment system is adopted, and consists of a heat exchanger, a condenser, a gas-water separator, a membrane dryer and the like; the compressed air is subjected to double drying treatment of air cooling, water-vapor separation (namely freeze drying) and membrane separation drying, so that the requirement of the dryness of medical gas can be effectively met;
2. The low-temperature compressed air in the reflux is subjected to heat exchange with the high-temperature compressed air input into the heat exchanger by the compression pump, so that the input temperature is reduced, the reflux temperature is increased, and the efficiency of the condenser is improved by reducing the input temperature.
3. The air filter adopts a high-efficiency filter element, and the filter element has the filtering precision as low as 0.01um; the membrane dryer adopts a polymer permeable membrane material, so that the cleanliness of output gas can be effectively ensured.
Drawings
Fig. 1 is a schematic view of a connection structure of a pipeline and an electrical component according to the present utility model.
Reference numerals: 1_inlet port, 2_air filter, 3_muffler, 4_compression pump, 5_heat exchanger, 6_condenser, 7_water separator, 8_unloader, 9_three-way valve, 10_membrane dryer, 11_air reservoir, 12_first pressure indicator, 13_outlet assembly, 14_back-up inlet port, 15_second pressure indicator, 16_first solenoid valve, 17_vent passage, 18_second solenoid valve.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Example 1
As shown in fig. 1, a medical compressed air supply device comprises an air inlet port 1, an air filter 2, a silencer 3 and a compression pump 4 which are sequentially connected, wherein the output end of the compression pump 4 is connected with a heat exchanger 5, and the heat exchanger 5 is provided with two mutually independent channels, including an output end and an outflow end; the output end of the heat exchanger 5 is sequentially connected with a condenser 6, a gas-water separator 7, an unloading valve 8 and a three-way valve 9, and compressed air flows back into the heat exchanger 5 from the main output end of the three-way valve 9; the outflow end of the heat exchanger 5 is connected with a membrane dryer 10, the output end of the membrane dryer 10 is connected with an air storage tank 11, the output end of the air storage tank 11 is connected with an air outlet assembly 13, and a first pressure indication is connected between the air storage tank 11 and the air outlet assembly 13.
The main gas path channel of the utility model has the working process that: after the air compression pump 4 is started, the air inlet port 1 sucks air from the outside, impurities are filtered through the air filter 2, noise is reduced through the silencer 3, and natural air is sent into the compression pump 4 for compression; the compressed high-temperature high-pressure air enters a heat exchanger 5, the high-pressure air after heat exchange enters a condenser 6, the condenser 6 condenses the high-temperature steam in the compressed air into liquid state by water cooling or air cooling, and then enters a gas-water separator 7 for separation, and the water and the oil are primarily discharged. The low-temperature compressed air flows back to heat exchange through the three-way valve 9, and the low-temperature compressed air flows back to the high-temperature compressed air input into the heat exchanger 5 by the compression pump 4 to perform heat exchange, so that the input temperature is reduced, the reflux temperature is increased, and the efficiency of the condenser 6 is improved by reducing the input temperature; increasing the reflux temperature facilitates re-vaporization of the moisture in the compressed air, increasing the drying efficiency of the subsequent membrane dryer 10; and achieves the double effects of saving energy. The returned compressed air is discharged through the heat exchanger 5 and then is input into the membrane dryer 10 for further drying treatment, so that impurities such as moisture, oil and the like are further removed, and the quality of the compressed air is improved. The dried high-purity compressed air is stored in the air storage tank 11 and is output to medical equipment or terminals through the air outlet assembly 13 as required. The outlet of the gas storage tank 11 is connected with a pressure indicator and a pressure switch to monitor the output gas pressure.
As a preferred form of this embodiment, the main output of the unloading valve 8 is connected to a three-way valve 9, and the side output of the unloading valve 8 is connected to the input of the compression pump 4. The compressed air output pressure of the equipment can be controlled by the diversion and pressure relief of the unloading valve.
As a preferable mode of the present embodiment, the water outlet of the gas-water separator 7 is connected with a first electromagnetic valve 16, and the output end of the first electromagnetic valve 16 is connected with a discharge channel 17. The internal accumulated water of the gas-water separator 7 is controlled by the solenoid valve to be discharged from the discharge passage 17 at regular time.
As a preferred mode of this embodiment, the output end of the air storage tank 11 is further connected with a second electromagnetic valve 18, and the output end of the second electromagnetic valve 18 is connected with a discharge channel 17. Meanwhile, accumulated water in the air storage tank 11 is discharged from the discharge channel 17 at fixed time under the control of the electromagnetic valve.
As a preferred form of this embodiment, the side output of the three-way valve 9 is connected to a discharge channel 17. And after the power is off, the residual air of the main air path is discharged from the discharge channel 17.
The utility model adopts a high-efficiency gas drying treatment system, which consists of a heat exchanger, a condenser, a gas-water separator, a membrane dryer and the like; the compressed air is subjected to double drying treatment of air cooling, water-vapor separation (namely freeze drying) and membrane separation drying, so that the requirement of the dryness of medical gas can be effectively met; the air filter adopts a high-efficiency filter element, and the filter element has the filtering precision as low as 0.01um; the membrane dryer adopts a polymer permeable membrane material, so that the cleanliness of output gas can be effectively ensured.
Example 2
As shown in fig. 1, on the basis of embodiment 1, a medical compressed air supply device further includes a standby air inlet port 14, and an output end of the standby air inlet port 14 is connected to an air outlet assembly 13; a second pressure indicator 15 is connected between the back-up inlet port 14 and the outlet assembly 13. The external compressed air source, such as central air supply, is connected to the standby air inlet interface 14 of the device, so that the compression pump is stopped, the device enters a standby air transmission state, and the output of the air outlet assembly 13 is maintained by the external air source.
The foregoing examples have shown only the preferred embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (6)
1. The medical compressed air supply device is characterized by comprising an air inlet port (1), an air filter (2), a silencer (3) and a compression pump (4) which are sequentially connected, wherein the output end of the compression pump (4) is connected with a heat exchanger (5), and the heat exchanger (5) is provided with two mutually independent channels, including an output end and an outflow end; the output end of the heat exchanger (5) is sequentially connected with a condenser (6), a gas-water separator (7), an unloading valve (8) and a three-way valve (9), and compressed air flows back into the heat exchanger (5) from the main output end of the three-way valve (9); the outflow end of the heat exchanger (5) is connected with a membrane dryer (10), the output end of the membrane dryer (10) is connected with an air storage tank (11), the output end of the air storage tank (11) is connected with an air outlet assembly (13), and a first pressure indication is connected between the air storage tank (11) and the air outlet assembly (13).
2. A medical compressed air supply apparatus according to claim 1, characterized in that the main output of the unloading valve (8) is connected to a three-way valve (9), and the side output of the unloading valve (8) is connected to the input of the compression pump (4).
3. A medical compressed air supply apparatus according to claim 1, wherein the drain port of the gas-water separator (7) is connected with a first solenoid valve (16), and the output end of the first solenoid valve (16) is connected with a drain passage (17).
4. A medical compressed air supply apparatus according to claim 1, wherein the output end of the air storage tank (11) is further connected with a second electromagnetic valve (18), and the output end of the second electromagnetic valve (18) is connected with a discharge channel (17).
5. A medical compressed air supply according to claim 1, characterized in that the side output of the three-way valve (9) is connected to a discharge channel (17).
6. A medical compressed air supply apparatus according to any one of claims 1 to 5, further comprising a back-up air inlet port (14), the output of the back-up air inlet port (14) being connected to the air outlet assembly (13); a second pressure indicator (15) is connected between the standby air inlet interface (14) and the air outlet assembly (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322531625.8U CN220878310U (en) | 2023-09-18 | 2023-09-18 | Medical compressed air supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322531625.8U CN220878310U (en) | 2023-09-18 | 2023-09-18 | Medical compressed air supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220878310U true CN220878310U (en) | 2024-05-03 |
Family
ID=90869181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322531625.8U Active CN220878310U (en) | 2023-09-18 | 2023-09-18 | Medical compressed air supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220878310U (en) |
-
2023
- 2023-09-18 CN CN202322531625.8U patent/CN220878310U/en active Active
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