CN209944641U - Energy-saving bistable purification air conditioning system - Google Patents
Energy-saving bistable purification air conditioning system Download PDFInfo
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- CN209944641U CN209944641U CN201920634785.6U CN201920634785U CN209944641U CN 209944641 U CN209944641 U CN 209944641U CN 201920634785 U CN201920634785 U CN 201920634785U CN 209944641 U CN209944641 U CN 209944641U
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Abstract
The utility model relates to an energy-saving bistable purification air conditioning system, including air conditioning unit, No. 1 level wind pressure controller, dibit level air valve, exhaust ware, variable air valve and clean room. The air supply outlet of the air conditioning unit is connected to an air inlet high-efficiency air inlet of a clean room through an air supply main pipe sequentially through a No. 1 constant air pressure controller and a double-position constant air volume valve, the air outlet of the clean room is divided into two paths through a return air main pipe through a variable air volume valve, one path is connected to the return air inlet of the air conditioning unit, and the other path is connected to an exhaust fan through an exhaust pipe. The utility model discloses an air conditioning unit combines together with level wind pressure controller, variable air volume valve and dibit level wind volume valve, is favorable to B level air conditioning system operational mode's stable switching, and energy saving and consumption reduction has improved clean air conditioning system at the stability and the flexibility of operation of two wind volume operation in turn.
Description
Technical Field
The utility model belongs to the technical field of refrigeration plant, a energy-saving bistable purification air conditioning system is related to.
Background
The purity of the medicine is extremely high in the production process of the medicine, so that the production equipment is required to be ensured to be in a sterile, nontoxic and pollution-free clean space during pharmacy. The traditional air conditioner only has the functions of ventilation and temperature regulation, and because the air circulation systems of all indoor working rooms are connected, the traditional air conditioning system is difficult to ensure the environmental cleanliness in the working rooms at the tail ends of the circulating pipelines, especially the air in one working room is polluted to pollute other working rooms through the air conditioning system, and the air circulation rate in each working room is the same, so that the refrigeration and airflow circulation speed of the air conditioner is high, a large amount of energy is wasted, and the air conditioner cannot be modulated according to the actual use condition.
The class B clean air-conditioning system in the pharmaceutical industry generally operates continuously for 24 hours at present. The system runs with the designed maximum air supply amount during normal production, and runs in an on-duty running mode (running with small air amount) during non-production period in order to ensure the cleanliness and positive pressure value of a production area. When the conventional B-level clean air-conditioning system is switched to an operation mode, the positive pressure value in a clean room of the system fluctuates, and the cleanliness and the air supply volume of the clean room cannot meet the design requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-saving bistable state purifies air conditioning system to ensure that B level air conditioning system operational mode switches steadily, improve the stability of clean air conditioning system in two wind volume alternate operation, the energy can be saved, reduction in production cost.
The technical scheme of the utility model is that: an energy-saving bistable purification air conditioning system comprises an air conditioning unit, wherein the air conditioning unit is provided with an air return inlet, a fresh air inlet and an air supply outlet. The air conditioning system is provided with a No. 1 fixed air pressure controller, a two-position fixed air volume valve, a variable air volume valve and a clean room, wherein the clean room is provided with an air inlet high-efficiency air port and an air outlet. The air supply outlet of the air conditioning unit is connected to an air inlet high-efficiency air inlet of a clean room through an air supply main pipe sequentially through a No. 1 constant air pressure controller and a double-position constant air volume valve, and the air outlet of the clean room is connected to an air return inlet of the air conditioning unit through an air main pipe return variable air volume valve. The fresh air inlet is connected with the fresh air main pipe.
The air conditioning system is provided with an exhaust fan, and the outlet of the variable air volume valve is divided into two paths, wherein one path is connected to the air return inlet of the air conditioning unit. One path is connected to an exhaust fan through an exhaust pipe, and a No. 2 fixed air pressure controller is arranged on the exhaust pipe. The air exhauster is provided with an induced draft fan, and an outlet of the air exhauster is connected to the outside through a filter. The air conditioning unit is provided with a surface cooler, a heater, a humidifier and a blower. The double-position fixed air quantity valve is provided with an opening actuator of an adjusting valve, and the opening actuator is preset to be two air quantity openings of normal production air quantity and on-duty operation air quantity according to the requirement of an air conditioning system. The air quantity conversion control of the double-position constant air quantity valve is carried out by sending an instruction by a PLC controller of the air conditioning system,
the utility model discloses energy-saving bistable purification air conditioning system passes through air conditioning unit and combines together with variable air volume valve, level wind pressure controller and dibit level air volume valve, and the B level air conditioning system operational mode of being convenient for is stably switched, has improved the stability of clean air conditioning system in two air volumes alternate operation, is favorable to the energy can be saved, reduction in production cost. The opening actuator is used for presetting two air volume openings of normal production air volume and on-duty operation air volume, so that the flexibility of the operation of the air conditioning system is improved, and the normal production and the stable operation of the on-duty air volume of the air conditioning system are ensured.
Drawings
FIG. 1 is a schematic flow diagram of an energy-saving bistable purification air conditioning system of the present invention;
the air conditioner comprises a 1-return air inlet, a 2-air conditioning unit, a 3-fresh air inlet, a 4-air supply outlet, a 5-1 # fixed air pressure controller, a 6-air supply main pipe, a 7-two-position fixed air volume valve, an 8-air inlet high-efficiency air outlet, a 9-clean room, a 10-air outlet, an 11-filter, a 12-variable air volume valve, a 13-return air main pipe, a 14-exhaust pipe, a 15-2 # fixed air pressure controller, a 16-exhaust device, a 17-induced draft fan and an 18-opening actuator.
Detailed Description
The present invention will be described in detail with reference to the following examples and drawings. The protection scope of the present invention is not limited to the embodiments, and those skilled in the art can make any changes within the scope defined by the claims.
The utility model discloses energy-saving bistable state purifies air conditioning system is shown in figure 1, including air conditioning unit 2, No. 1 level wind pressure controller 5, No. 2 level wind pressure controller 15, dibit level air valve 7, variable air valve 12, clean room 9 and exhaust fan 16. The air conditioning unit is provided with an air return inlet 1, a fresh air inlet 3 and an air supply outlet 4, and the fresh air inlet is connected with a fresh air main pipe. The air conditioning unit is internally provided with a surface cooler, a heater, a humidifier and a blower. The clean room is equipped with high-efficient wind gap of air inlet 8 and air outlet 10, and the supply-air outlet of air conditioner is connected to the high-efficient wind gap of air inlet in clean room through air supply main pipe 6 in proper order through level wind pressure controller and dibit level air valve, and the air outlet in clean room is divided into two the tunnel through return air main pipe 13 through variable air valve 12, and one tunnel is connected to exhaust fan 16 through exhaust pipe 14, is equipped with 2 # level wind pressure controller 15 on the exhaust pipe, is connected to air conditioning unit's return air inlet 1 all the way. The ventilator 16 is provided with an induced draft fan 17, and the outlet of the ventilator is connected to the outside through the filter 11. The two-position fixed air quantity valve 7 is provided with an adjusting valve opening actuator 18, and the opening actuator is preset to two air quantity openings of normal production air quantity and on-duty operation air quantity according to the requirements of an air conditioning system.
The air feeder of the air-conditioning purification system adopts fixed-air-pressure variable-frequency control, and a double-position fixed-air-volume valve 7 of an air feeding main pipe 6 is provided with an opening actuator 18 for adjusting a valve. The opening actuator is preset according to the requirements of the air conditioning system and is divided into two air volume openings of normal production air volume and duty operation air volume. The air quantity conversion control of the double-position constant air quantity valve is performed by sending an instruction by a PLC (programmable logic controller) of an air conditioning system, a No. 1 variable air quantity control valve is arranged on a clean room return air main pipe, and the No. 1 variable air quantity control valve performs variable air quantity valve opening control through a pressure difference controller arranged in a clean room, so that the pressure of the clean room is high, the valve opening is large, the pressure of the clean room is small, and the valve opening is reduced. And in the normal production mode, the two-position fixed air volume valve is adjusted to the normal production air volume. In order to ensure the normal and stable operation of the constant air volume valve of the air conditioning system, the pressure of the air supply main pipe 6 is controlled to be a constant value in an operation mode, and the static pressure value of the air supply main pipe is set according to the normal operation by adjusting the frequency of an air feeder of the air conditioning unit. And when the air conditioner is in the duty running mode, the two-position constant air volume valve is adjusted to the duty running air volume, the pressure of the air supply main pipe is controlled to be a constant value in the duty mode so as to ensure the on-duty stable running of the two-position constant air volume valve of the system, and the static pressure value of the air supply main pipe is set according to the on-duty running through the adjustment of the frequency of the air feeder of the air conditioning unit. The parameter control and processing of the air conditioning system are realized by a PLC controller of the air conditioning system.
Claims (5)
1. The utility model provides an energy-saving bistable state purifies air conditioning system, includes air conditioning unit (2), air conditioning unit is equipped with return air inlet (1), new trend entry (3) and supply-air outlet (4), characterized by: the air conditioning system is provided with a No. 1 fixed air pressure controller (5), a two-position fixed air volume valve (7), a variable air volume valve (12) and a clean room (9), wherein the clean room is provided with an air inlet high-efficiency air port (8) and an air outlet (10); an air supply outlet of the air conditioning unit is connected to an air inlet high-efficiency air inlet of a clean room through an air supply main pipe (6) sequentially through a No. 1 constant air pressure controller and a double-position constant air volume valve, and an air outlet of the clean room is connected to a return air inlet of the air conditioning unit through a return air main pipe (13) and a variable air volume valve; the fresh air inlet is connected with the fresh air main pipe.
2. The energy saving bistable purifying air conditioning system according to claim 1, wherein: the air conditioning system is provided with an exhaust fan (16), the outlet of the variable air volume valve (12) is divided into two paths, and one path is connected to the air return inlet (1) of the air conditioning unit; one path is connected to an exhaust fan (16) through an exhaust pipe (14), and a No. 2 fixed air pressure controller (15) is arranged on the exhaust pipe.
3. The energy saving bistable purifying air conditioning system according to claim 2, wherein: exhaust fan (16) are equipped with draught fan (17), the exhaust fan export is connected to outdoors through filter (11).
4. The energy saving bistable purifying air conditioning system according to claim 1, wherein: the air conditioning unit is provided with a surface cooler, a heater, a humidifier and a blower.
5. The energy saving bistable purifying air conditioning system according to claim 1, wherein: the double-position fixed air quantity valve (7) is provided with an actuator (18) for adjusting the opening of the valve; the opening actuator is preset to be two air volume openings of normal production air volume and duty operation air volume according to the requirements of the air conditioning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920634785.6U CN209944641U (en) | 2019-05-06 | 2019-05-06 | Energy-saving bistable purification air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920634785.6U CN209944641U (en) | 2019-05-06 | 2019-05-06 | Energy-saving bistable purification air conditioning system |
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| CN209944641U true CN209944641U (en) | 2020-01-14 |
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| CN201920634785.6U Active CN209944641U (en) | 2019-05-06 | 2019-05-06 | Energy-saving bistable purification air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864886A (en) * | 2021-08-31 | 2021-12-31 | 奥星制药设备（石家庄）有限公司 | Biological safety type clean air conditioning system and control method |
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2019
- 2019-05-06 CN CN201920634785.6U patent/CN209944641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864886A (en) * | 2021-08-31 | 2021-12-31 | 奥星制药设备（石家庄）有限公司 | Biological safety type clean air conditioning system and control method |
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