CN217635983U - Cold and hot oxygen combined supply system suitable for plateau area - Google Patents
Cold and hot oxygen combined supply system suitable for plateau area Download PDFInfo
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- CN217635983U CN217635983U CN202221570181.8U CN202221570181U CN217635983U CN 217635983 U CN217635983 U CN 217635983U CN 202221570181 U CN202221570181 U CN 202221570181U CN 217635983 U CN217635983 U CN 217635983U
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- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 92
- 239000001301 oxygen Substances 0.000 title claims abstract description 92
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000004378 air conditioning Methods 0.000 claims abstract description 33
- 238000001179 sorption measurement Methods 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 32
- 230000001105 regulatory effect Effects 0.000 claims description 31
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 17
- 239000001569 carbon dioxide Substances 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 235000015097 nutrients Nutrition 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 4
- 101000783723 Homo sapiens Leucine-rich alpha-2-glycoprotein Proteins 0.000 description 3
- 102100035987 Leucine-rich alpha-2-glycoprotein Human genes 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a combined supply system of cold and hot oxygen suitable for plateau areas, which comprises a pressure swing adsorption oxygen generator, an oxygen buffer tank and a combined air conditioning unit; the air inlet end of the pressure swing adsorption oxygen generator is connected with an outdoor air source; the pressure swing adsorption oxygen generator is connected with the indoor area through an oxygen buffer tank and an air supply pipeline in sequence; the air inlet end of the combined air conditioning unit is connected with outdoor fresh air, and the air outlet end of the combined air conditioning unit is connected with an indoor area through an air supply pipeline; an air return pipeline is arranged between the indoor area and the air inlet end of the combined air conditioning unit, and an adjusting valve is arranged on the air return pipeline; the devices are disposed in a transition area between an outdoor area and an indoor area. The system can maintain indoor proper temperature and humidity, can also improve indoor oxygen concentration by 4% -6%, can reduce physiological equivalent altitude by 1200-1800 m, avoids altitude reaction of human bodies in plateau areas, has obvious energy-saving effect, and obviously reduces fire hazard.
Description
Technical Field
The utility model belongs to the technical field of building equipment and control; in particular to the technical field of a combined supply system structure of cold, heat and oxygen suitable for plateau areas.
Background
The altitude area has the disadvantages of thin atmospheric air, low oxygen content, low temperature, dry climate and strong ultraviolet ray due to high altitude, and the human body entering or living in the altitude area is easy to have altitude reaction, which seriously affects the health and the working efficiency of the human body.
The centralized dispersion type oxygen supply system is gradually applied to plateau buildings in recent years, the indoor oxygen concentration is increased to solve the problem of plateau reaction, oxygen-enriched air with the oxygen content of about 90% -93% is conveyed indoors through a pipeline, the pipeline for conveying high-concentration oxygen is arranged in each public area, and the indoor air supply oxygen concentration is high. Oxygen belongs to a class B substance, is a combustion improver, has high danger degree, is easy to cause fire when leakage occurs or an oxygen outlet terminal is unreasonable in position, and has relatively high manufacturing cost because of more pipelines and oxygen outlet terminals. The plateau areas are mostly located in severe cold and cold areas, the outdoor heating temperature is low, the fresh air quantity required by the traditional centralized air conditioner is large, and the fresh air heat load is large.
Disclosure of Invention
The utility model discloses just in order to solve above-mentioned problem defect, provide a cold and hot oxygen joint supply system suitable for plateau area.
The utility model adopts the following technical scheme to realize.
A combined supply system of cold and hot oxygen suitable for plateau areas, the combined supply system of cold and hot oxygen of the utility model comprises a pressure swing adsorption oxygen generator S01, an oxygen buffer tank S02 and a combined air conditioning unit S03; the air inlet end of the pressure swing adsorption oxygen generator S01 is connected with an outdoor air source; the pressure swing adsorption oxygen generator S01 is connected with an indoor area through an oxygen buffer tank S02 and an air supply pipeline SF1 in sequence; the air inlet end of the combined air conditioning unit S03 is connected with outdoor fresh air, and the air outlet end of the combined air conditioning unit S03 is connected with an indoor area through an air supply pipeline; an air return pipeline HF1 is arranged between the indoor area and the air inlet end of the combined air conditioning unit S03, and an adjusting valve F1 is arranged on the air return pipeline HF 1; each of the devices is provided in a transition region GD1 between the outdoor region and the indoor region.
Furthermore, the combined supply system for cold, heat and oxygen of the utility model also comprises a controller KZ1, an oxygen concentration sensor K01, a carbon dioxide concentration sensor K02 and a temperature sensor K03;
the oxygen concentration sensor K01 is arranged in an indoor area;
the carbon dioxide concentration sensor K02 and the temperature sensor K03 are arranged in the transition region GD1;
the controller KZ1 is electrically connected with an oxygen concentration sensor K01, a carbon dioxide concentration sensor K02 and a temperature sensor K03 respectively;
and the carbon dioxide concentration sensor K02 and the temperature sensor K03 are connected with the air return pipeline HF 1.
Furthermore, the combined supply system for cold, hot and oxygen of the utility model also comprises an electric regulating valve; the electric control valve comprises a first electric control valve; the first electric regulating valve is arranged between the oxygen buffer tank S02 and the air supply pipeline SF 1; the first electric regulating valve is a feeding conveying pipeline electric regulating valve V01.
Furthermore, the combined supply system for cold, hot and oxygen of the utility model also comprises an electric regulating valve; the electric control valve comprises a second electric control valve; the second electric regulating valve is arranged in front of the air inlet end of the combined air conditioning unit S03; the second electric regulating valve is a fresh air pipeline air volume electric regulating valve V02.
Furthermore, the combined supply system for cold, hot and oxygen of the utility model also comprises an electric regulating valve; the electric control valve comprises a third electric control valve; the third electric regulating valve is arranged on a cold/hot water outlet pipe LRG1 of the combined air conditioning unit S03; the third electric control valve is a water pipe flow electric control valve V03.
Further, combined air conditioning unit S03 in including two subtract fans.
Furthermore, the combined air conditioning unit S03 and the outdoor area are provided with a nitrogen-enriched air pipe FK1 in front.
The beneficial effects of the utility model are that, the utility model discloses have three kinds of functions of cooling, heat supply, oxygen suppliment, indoor oxygen concentration can improve 4% -6% percentage points, and physiology equivalent altitude can reduce 1200-1800 meters, and the system is concise, the cost is low, the degree of safety is high. Under the condition of indoor dispersion oxygen supply, the fresh air volume calculation of the air conditioning system can be carried out according to the concentration of carbon dioxide in a control room, the required fresh air volume is only about 30 percent of the original fresh air volume, and about 70 percent of fresh air energy consumption can be saved. The fresh air load energy consumption of the existing centralized air-conditioning system generally accounts for 35-50% of the total load energy consumption. The system is applied to plateau areas, can save more than 20% of energy consumption of the air conditioner, and has important significance for energy conservation and emission reduction. The system can not only maintain indoor suitable temperature and humidity, but also improve indoor oxygen concentration by 4-6%, reduce physiological equivalent altitude by 1200-1800 m, and avoid altitude reaction of human body in plateau area. The system has obvious energy-saving effect and obviously reduces the fire hazard.
The invention is further explained below with reference to the drawings and the description of embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of the reference numerals: the system comprises an S01-pressure swing adsorption oxygen generator, an S02-oxygen buffer tank, an S03-combined air conditioning unit, a K01-oxygen concentration sensor, a K02-carbon dioxide concentration sensor, a K03-temperature sensor, a V01-nutrient supply conveying pipeline electric regulating valve, a V02-fresh air pipeline air quantity electric regulating valve, a V03-water pipe flow electric regulating valve, an SF 1-air supply pipeline, an HF 1-air return pipeline, an F1-regulating valve, an FK 1-nitrogen-enriched air pipe, an LRG 1-cold/hot water outlet pipe, a GD 1-transition region and a KZ 1-controller.
The arrows in the figure indicate the respective fluid flow directions.
Detailed Description
As shown in fig. 1. A combined supply system of cold and hot oxygen suitable for plateau areas, the combined supply system of cold and hot oxygen of the utility model comprises a pressure swing adsorption oxygen generator S01, an oxygen buffer tank S02 and a combined air conditioning unit S03; the air inlet end of the pressure swing adsorption oxygen generator S01 is connected with an outdoor air source; the pressure swing adsorption oxygen generator S01 is connected with an indoor area through an oxygen buffer tank S02 and an air supply pipeline SF1 in sequence; the air inlet end of the combined air conditioning unit S03 is connected with outdoor fresh air, and the air outlet end of the combined air conditioning unit S03 is connected with an indoor area through an air supply pipeline; an air return pipeline HF1 is arranged between the indoor area and the air inlet end of the combined air conditioning unit S03, and an adjusting valve F1 is arranged on the air return pipeline HF 1; each of the devices is provided in a transition region GD1 between the outdoor region and the indoor region.
Furthermore, the combined supply system for cold, heat and oxygen of the utility model also comprises a controller KZ1, an oxygen concentration sensor K01, a carbon dioxide concentration sensor K02 and a temperature sensor K03;
the oxygen concentration sensor K01 is arranged in an indoor area;
the carbon dioxide concentration sensor K02 and the temperature sensor K03 are arranged in the transition region GD1;
the controller KZ1 is electrically connected with an oxygen concentration sensor K01, a carbon dioxide concentration sensor K02 and a temperature sensor K03 respectively;
and the carbon dioxide concentration sensor K02 and the temperature sensor K03 are connected with the air return pipeline HF 1.
Furthermore, the combined supply system for cold, hot and oxygen of the utility model also comprises an electric regulating valve; the electric control valve comprises a first electric control valve; the first electric regulating valve is arranged between the oxygen buffer tank S02 and the air supply pipeline SF 1; the first electric regulating valve is a feeding conveying pipeline electric regulating valve V01.
Furthermore, the combined supply system for cold, hot and oxygen of the utility model also comprises an electric regulating valve; the electric control valve comprises a second electric control valve; the second electric regulating valve is arranged in front of the air inlet end of the combined air conditioning unit S03; the second electric regulating valve is a fresh air pipeline air volume electric regulating valve V02.
Furthermore, the combined supply system for cold, hot and oxygen of the utility model also comprises an electric regulating valve; the electric control valve comprises a third electric control valve; the third electric regulating valve is arranged on a cold/hot water outlet pipe LRG1 of the combined air conditioning unit S03; the third electric control valve is a water pipe flow electric control valve V03.
Further, combined air conditioning unit S03 in including two subtract fans.
Furthermore, the combined air conditioning unit S03 and the outdoor area are provided with a nitrogen-enriched air pipe FK1 in front.
An outdoor air source generates oxygen with the concentration of about 93 percent after nitrogen is absorbed by a pressure swing adsorption oxygen generator S01PSA, the oxygen is sent to a buffer tank S02 for storage, nitrogen-rich air generated in the analysis process of the oxygen generator is discharged to the outdoor, and the oxygen generator S01 is controlled to start and stop according to the pressure in the oxygen buffer tank S02. The electric regulating valve V01 of the oxygen supply conveying pipeline controls the opening degree according to the signal of the oxygen concentration sensor K01 arranged in the indoor area, and controls the oxygen flow, so that the oxygen content of indoor air is controlled at a design value. The 93% oxygen is mixed with the cold/hot air from the combined air-conditioning unit S03 and then sent to the room, so as to avoid the high-concentration oxygen from directly entering the indoor area.
The fresh air pipeline air volume electric regulating valve V02 controls the opening according to the signal of the carbon dioxide concentration sensor K02 arranged on the return air pipeline, controls the fresh air volume, maintains the carbon dioxide concentration of an indoor area at a design value, and the carbon dioxide concentration sensor K02 can also be arranged near an indoor area return air inlet.
The water pipe flow electric regulating valve V03 controls the opening degree according to a signal of a temperature sensor K03 arranged on the air return pipeline, the air temperature of the air return pipeline is controlled by controlling the flow of cold/hot water, and the air return pipeline temperature is equal to the indoor design temperature.
The centrifugal fan in the air conditioning unit adopts a double-speed fan, the centrifugal fan runs at a high speed during cold/heat supply and oxygen supply at the same time, and runs at a low speed during oxygen supply only, so that the oxygen concentration of air entering an indoor area is kept at a lower level.
Because the fresh air volume of the system is small, the system does not need to be provided with an exhaust system, and the fed fresh air is exhausted outdoors in a door and window permeation mode.
The above description is only for the specific embodiment of the present invention, and the common general knowledge of the known specific structure and characteristics of the scheme is not described too much here. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. A combined supply system of cold and hot oxygen suitable for plateau areas is characterized in that the combined supply system of cold and hot oxygen comprises a pressure swing adsorption oxygen generator (S01), an oxygen buffer tank (S02) and a combined air conditioning unit (S03); the air inlet end of the pressure swing adsorption oxygen generator (S01) is connected with an outdoor air source; the pressure swing adsorption oxygen generator (S01) is connected with an indoor area through an oxygen buffer tank (S02) and an air supply pipeline (SF 1) in sequence; the air inlet end of the combined air conditioning unit (S03) is connected with outdoor fresh air, and the air outlet end of the combined air conditioning unit is connected with an indoor area through an air supply pipeline; an air return pipeline (HF 1) is arranged between the indoor area and the air inlet end of the combined air conditioning unit (S03), and an adjusting valve (F1) is arranged on the air return pipeline (HF 1); the devices are arranged in a transition area (GD 1) between an outdoor area and an indoor area.
2. A combined cooling and heating and oxygen supply system for plateau areas according to claim 1 further comprising a controller (KZ 1), an oxygen concentration sensor (K01), a carbon dioxide concentration sensor (K02), a temperature sensor (K03);
the oxygen concentration sensor (K01) is arranged in an indoor area;
the carbon dioxide concentration sensor (K02) and the temperature sensor (K03) are arranged in the transition region (GD 1);
the controller is respectively electrically connected with the oxygen concentration sensor (K01), the carbon dioxide concentration sensor (K02) and the temperature sensor (K03);
the carbon dioxide concentration sensor (K02) and the temperature sensor (K03) are connected with the air return pipeline (HF 1).
3. A combined cooling and heating and oxygen supply system for plateau areas according to claim 1, further comprising an electric control valve; the electric control valve comprises a first electric control valve; the first electric regulating valve is arranged between the oxygen buffer tank (S02) and the air supply pipeline (SF 1); the first electric control valve is an electric control valve (V01) of the nutrient supply conveying pipeline.
4. A combined cooling and heating and oxygen supply system for plateau areas according to claim 1, wherein said combined cooling and heating and oxygen supply system further comprises an electric control valve; the electric control valve comprises a second electric control valve; the second electric regulating valve is arranged in front of the air inlet end of the combined air conditioning unit (S03); the second electric regulating valve is a fresh air pipeline air volume electric regulating valve (V02).
5. A combined cooling and heating and oxygen supply system for plateau areas according to claim 1, wherein said combined cooling and heating and oxygen supply system further comprises an electric control valve; the electric control valve comprises a third electric control valve; the third electric regulating valve is arranged on a cold/hot water outlet pipe (LRG 1) of the combined air conditioning unit (S03); the third electric control valve is a water pipe flow electric control valve (V03).
6. A combined supply system for hot and cold oxygen as claimed in claim 1, wherein the combined air conditioning unit (S03) comprises a double air reducer.
7. A combined cooling, heating and oxygen supply system for plateau areas according to claim 1 wherein said combined air conditioning unit (S03) is preceded by a nitrogen-rich air duct (FK 1) with an outdoor area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221570181.8U CN217635983U (en) | 2022-06-22 | 2022-06-22 | Cold and hot oxygen combined supply system suitable for plateau area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221570181.8U CN217635983U (en) | 2022-06-22 | 2022-06-22 | Cold and hot oxygen combined supply system suitable for plateau area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217635983U true CN217635983U (en) | 2022-10-21 |
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ID=83629432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221570181.8U Active CN217635983U (en) | 2022-06-22 | 2022-06-22 | Cold and hot oxygen combined supply system suitable for plateau area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217635983U (en) |
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2022
- 2022-06-22 CN CN202221570181.8U patent/CN217635983U/en active Active
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