CN115978670A - Distributed air conditioner purification system for tall and big clean factory building - Google Patents
Distributed air conditioner purification system for tall and big clean factory building Download PDFInfo
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Abstract
The invention provides a distributed air-conditioning purification system for a tall clean factory building, wherein a clean hall of the factory building is divided into a plurality of purification subareas in the horizontal direction, the air-conditioning purification system comprises a plurality of air-conditioning purification subsystems which are correspondingly arranged with the purification subareas, and each subsystem comprises: the air treatment device comprises a coarse filter, a fan and a surface cooling heater; the filtering air supply device is positioned at the downstream of the air path of the air treatment device and comprises two or more air supply layers arranged at different heights; the air return device is positioned on the upstream of the air path of the air treatment device; the fresh air processing device is positioned at the upstream of the air path of the air return device; the measurement and control device comprises an environmental parameter detector for detecting environmental parameters of the purification subareas and a regulator for regulating the environmental parameters of the purification subareas, and the regulator is controlled to regulate the environmental parameters according to the environmental parameter design indexes of the purification subareas and the detection results of the environmental parameter detector, so that accurate air conditioner purification in the subareas and the subareas is realized, and the energy-saving effect is remarkable.
Description
Technical Field
The invention relates to the field of air conditioning purification, in particular to a distributed air conditioning purification system for a tall and clean factory building.
Background
The high and large clean factory building refers to a factory building which has requirements on indoor temperature, humidity and air cleanliness and has a large space. The production, assembly and test of large precision industrial products and equipment such as large aerospace products and the like are required to be carried out in a high and large clean factory building, a constant low-temperature, low-humidity and clean air-conditioning purification environment is required to be kept in a high and large space, and the indoor air cleanliness is usually not lower than 8 grades. The existing tall and big clean factory buildings adopt a centralized air-conditioning purification scheme, indoor air is pumped back to an air handling unit, temperature and humidity treatment is carried out in a centralized manner, and the air handling unit is arranged in an air-conditioning machine room outside a clean hall in a centralized manner.
In the prior art, chinese patent application publication No. CN 102297502A discloses a vertically installed FFU system for a clean plant, in which an air filter unit (FFU) is vertically installed on a ceiling (or ground) of the clean plant, and the FFU is an air self-cleaner and only has an air purification function, but does not have a temperature and humidity adjustment function, so that the plant cannot be air-conditioned. In addition, the air supply distance of the FFU system is short, and the FFU system is only suitable for clean plants with lower height, such as electronic plants, and cannot be suitable for large and large clean plants.
In the prior art, chinese patent application with publication number CN105299758A discloses an environment-friendly purification air conditioning system for a clean factory building, wherein a water collecting tank is arranged at the lower part of a heat exchange coil in an air conditioning unit of the purification air conditioning system, and a water body in the water collecting tank is heated or cooled by the heat exchange coil to realize adjustment and control of air humidity. However, the same heat exchange coil needs to realize both the temperature control function and the humidity control function, and the two parameters are coupled and changed, so that the system cannot independently control the temperature and the humidity simultaneously, and therefore, the humidity regulation and control method has defects.
In summary, the following problems exist in the existing centralized air-conditioning purification technical scheme for the factory building with high cleanness:
(1) The air conditioner room has large area and large civil engineering investment. The air conditioner purifying air volume of a tall and big clean factory building is very large, so the area of an air conditioner room required by a centralized air conditioner purifying system is also very large, and the area of the air conditioner room is usually 100% -130% of the purifying area of the air conditioner, so the civil engineering investment is large, and great difficulty is brought to the arrangement of some process testing rooms.
(2) The blast pipe and the return air pipe of the air-conditioning purification system are large and long, the investment of the blast pipe is large, and the energy consumption of the fan for conveying is large. The air quantity of a tall and big clean factory building is very large, so the size of the air pipe of the centralized air-conditioning purification system is large. And the clean area of a tall and big clean factory building has large space, and the lengths of an air supply pipe and an air return pipe of the centralized air-conditioning purification system are very long and even can exceed 200m, so that the air pipe investment and the fan conveying energy consumption of the centralized air-conditioning purification system are both large.
(3) The air-conditioning purification system of the clean hall of the centralized air-conditioning purification scheme can only be switched on and off integrally, is difficult to realize air-conditioning purification of the local space of the subarea in the tall and big space, and can not regulate and control the vertical airflow organization.
However, the large clean room is designed according to the working conditions of the maximum product size and the maximum product quantity, but in practice, the extreme condition is rarely occurred, and most of the conditions are that the product test is only carried out in a local space. The centralized air-conditioning purification scheme is difficult to realize the air-conditioning purification of the local space in the subareas, and only the full-space air-conditioning purification mode can be adopted to carry out the air-conditioning purification on a large number of areas and spaces without product tests, thereby causing the serious waste of the air-conditioning energy. Sometimes products in different areas of a cleanroom require different environmental parameters, which cannot be met by existing central air conditioning purification systems.
Disclosure of Invention
In order to solve the problems, the invention provides an air conditioning purification system which has low energy consumption and can independently regulate and control local environmental parameters and is used for a large and clean factory building. This clean hall of factory building divides into a plurality of purification subareas according to the plane net mode in the horizontal direction, and this air conditioner clean system includes with this a plurality of air conditioner purification branch systems that a plurality of purification subareas one-to-one and distributed arrange, wherein, each this air conditioner purifies branch system and all includes: an air treatment device, comprising: the device comprises a coarse filter, a fan for pressurizing air flow and a surface cooling heater which are sequentially arranged on an air flow path; a filtering air supply device which is positioned at the downstream of an air flow path of the air treatment device and comprises two or more air supply layers with flow paths connected in parallel and arranged at different heights, wherein each air supply layer comprises a high-efficiency filter and an air supply opening communicated with a corresponding purification subarea; the air return device is positioned at the upstream of an air flow path of the air treatment device and comprises an air return main pipe connected with the air treatment device, air return openings arranged in the corresponding purification subareas and an air return pipe communicated with the air return openings; the fresh air processing device is positioned at the upstream of an air flow path of the air return device, is communicated with outdoor fresh air at the air inlet side, and comprises a fresh air pipe positioned at the air outlet side and communicated with the air return pipe and a fresh air meter cooling heater arranged on the fresh air pipe; the measurement and control device comprises an environmental parameter detector for detecting the environmental parameters of the purification subareas and a regulator for regulating and controlling the environmental parameters of the purification subareas, wherein the measurement and control device realizes the respective regulation and control of the environmental parameters of the purification subareas by controlling the regulator according to the environmental parameter design indexes of the purification subareas and the detection results of the environmental parameter detector.
Preferably, the clean hall of the factory building is divided into a plurality of purification subareas in a planar grid manner, wherein the purification subareas are divided into two rows along the transverse direction of the clean hall by taking the center line of the short side as a boundary, and are divided into K columns uniformly by taking the longitudinal direction of the clean hall as a boundary with the interval of 5m to 8m or the center line position of the structural column, so that 2K purification subareas with basically same volume are formed.
Preferably, the environmental parameter design index includes a design air temperature, a design air humidity, a design air cleanliness and a design indoor positive pressure, and the environmental parameter includes a temperature, a humidity, a cleanliness and an air pressure of air.
Preferably, the regulator comprises a fresh air regulating valve arranged on the fresh air pipe, a water supply regulating valve arranged on a cold/hot water flow path between the surface-cooling heater and the cold/hot water source and an air supply control valve arranged on the upstream side of each air supply layer, the measurement and control device adjusts and controls the opening degree of the air-conditioning water supply regulating valve according to the environmental parameter design index corresponding to the purification subarea, the opening degree of the fresh air-conditioning water supply regulating valve is adjusted and controlled in response to the return air temperature detected by the temperature and humidity sensor, the opening degree of the fresh air-conditioning water supply regulating valve is adjusted and controlled in response to the return air relative humidity detected by the temperature and humidity sensor, the fan operation frequency of the air-conditioning purification subsystem corresponding to the purification subarea is adjusted and controlled in response to the air pressure detected by the air pressure sensor.
Preferably, the number of two or more air supply levels and the height of the air supply level of each respective purification zone are determined in accordance with the height of the building and the maximum height of the product in each respective purification zone.
Preferably, the air treatment device further comprises: the box body is internally provided with a coarse filter, a fan and a surface cooling heater; the water collecting disc is arranged in the box body and used for receiving air conditioner condensed water; an air conditioner water return pipe communicated with the surface cooling heater; and an air-conditioning water supply pipe, wherein an air-conditioning water supply valve and an air-conditioning water return valve are respectively arranged on the air-conditioning water return pipe and the air-conditioning water supply pipe.
Preferably, the air supply outlet of the filtering air supply device is an aluminum alloy nozzle air supply outlet with adjustable air supply direction, the horizontal distance between two adjacent air supply outlets is 2-3 m, and the designed air speed of the air supply outlet is 10-15 m/s.
Preferably, the fan of the air treatment device is a variable-frequency centrifugal fan, the measurement and control device keeps the concentration of suspended particles stable at a set value through variable-frequency regulation of the fan, and the operation frequency of the fan is increased when the concentration of the suspended particles exceeds the set value, otherwise, the operation frequency of the fan is decreased.
Preferably, the air supply ports of the filtering air supply devices are arranged in a layered manner in the clean working area above the return air ports on the partition wall of the clean hall.
According to the distributed air conditioning purification system for the tall and big clean factory building, the air conditioning purification equipment is distributed in the structural sandwich walls at the two sides of the clean hall nearby in a dispersed manner, so that useless space in the structural sandwich walls of the building is fully utilized, an air conditioning room is not required to be arranged, the area of the room and the civil engineering investment are greatly reduced, the size and the length of an air conditioning purification air pipe are greatly reduced, and the air conditioning air pipe investment and the energy consumption of fan conveying are greatly reduced. The air conditioner purification system has the advantages that the air conditioner purification in the divided areas is realized in the horizontal direction, the layered air conditioner with the divided area adjustment is realized in the vertical direction, the air supply volume of each layer can be adjusted, the layered height and the vertical airflow organization of the layered air conditioner can be adjusted and controlled, the local space environment around products in a high and clean factory building can be accurately subjected to air conditioner purification, the air conditioner efficiency is greatly improved, different requirements of different products on the air conditioner purification height and different test area environment parameters can be better met, the investment, the operation energy consumption and the cost of the air conditioner purification system are greatly reduced, and the guarantee capability and the system reliability of indoor environment parameters are also improved.
Drawings
FIG. 1 is a plan layout view showing the layout of an air conditioning purification subsystem and purification zones of an air conditioning purification system according to an embodiment of the present invention;
FIG. 2 is a schematic view showing an overview of the construction of an air conditioning purification sub-system of the air conditioning purification system according to an embodiment of the present invention;
fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1 showingbase:Sub>A detailed structure of an air conditioning purification system according to an embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the following examples are illustrative only and are not intended to limit the present invention in any way unless otherwise specified.
The tall and big clean workshop usually comprises a clean hall, an auxiliary room and an equipment room, wherein the clean hall can be rectangular, and two walls on the long edge are structural sandwich walls.
In the present invention, a clean hall of a large clean room is targeted for cleaning. The structure of the air conditioning purification system for a tall clean room according to the present invention will be described with reference to fig. 1 to 3.
First, the lobby is divided into a plurality of purification zones in the horizontal direction, and preferably, the division may be performed in a planar grid manner, for example, as shown in the example of fig. 1, the lobby is divided into 12 rectangular zones D1 to D12 in a rectangular grid manner. As a preferable example, the clean zone may be divided into two rows with a center line of short sides as a boundary in a lateral direction of the clean hall as shown in fig. 1, and the clean zone may be evenly divided into K columns at a predetermined interval (for example, at an interval of 5m to 8 m) in a longitudinal direction of the clean hall, thereby dividing the clean hall of the tall clean hall into 2K clean zones having substantially the same volume. Alternatively, for example, in the case where J pairs of structural pillars are arranged at the same interval in the longitudinal direction of the rotunda, if the purification zone is divided into two rows with a center line of a short side as a boundary in the transverse direction of the rotunda and divided with a center line position of the structural pillars as a boundary in the longitudinal direction of the rotunda, the rotunda of a tall clean room is divided into 2 (J-1) purification zones having substantially the same volume.
The air-conditioning purification system includes a plurality of air-conditioning purification subsystems that are distributed in a manner corresponding to each purification zone. For example, as shown in fig. 1, air conditioning purification system 1000 includes 12 air conditioning purification subsystems S1 to S12 arranged in a one-to-one correspondence with respective purification zones D1 to D12. Preferably, each air conditioner purification subsystem can be distributed in the structural sandwich wall of the corresponding purification subarea in a near-scattered manner, and each air conditioner purification subsystem can adopt the same structure.
In addition, the arrangement of the air conditioning purification subsystem is not limited to the dispersed arrangement in fig. 1, and for example, the air conditioning purification subsystem may be disposed at other positions outside the corresponding purification subarea, or may be disposed in the structure partition wall on one side only according to actual needs.
The following describes the configuration of the air conditioning purification subsystem, taking as an example the air conditioning purification subsystem S1 arranged corresponding to the purification division D1 in fig. 1, with reference to fig. 2 and 3.
As shown in fig. 2, the air conditioning purification subsystem S1 includes: an air treatment device 1 for performing coarse filtration and temperature regulation on air; a filtering and air-blowing device 2 arranged downstream of the air flow path of the air treatment device 1, which performs high-efficiency filtering treatment on the air sent by the air treatment device 1 and sends clean air to a corresponding purification subarea in the clean hall; the return air device 3 is arranged at the upstream of the air flow path of the air treatment device 1, is communicated with the corresponding purification subareas in the clean hall and the fresh air treatment device 4, and can mix the indoor return air of the clean hall with the fresh air treated by the fresh air treatment device and send the mixture to the air treatment device 1; the fresh air processing device 4 is used for cooling and dehumidifying the outdoor fresh air in summer and heating the outdoor fresh air in winter; and the measurement and control device 5 is used for adjusting and controlling the operation of the air treatment device 1, the filtering and air supply device 2, the air return device 3 and the fresh air treatment device 4 so as to adjust the environmental parameters of each purification subarea. Wherein the environmental parameters include temperature, humidity, suspended particulate matter concentration, and indoor positive pressure of the air.
Thus, the air flow path of the air conditioning purification subsystem according to the present invention is configured as follows. First, as shown in fig. 2, the air flow entering the air handling device 1 through the return air device 2 includes two sources: indoor return air flowing in from the corresponding purification subarea and fresh air flowing in through the fresh air processing device. The two air flows are subjected to coarse filtration of the air treatment device 1 and cooling (or heating) of the surface cooling heater, and then are subjected to high-efficiency filtration of the air filtering and supplying device 2 and then are sent into corresponding purification subareas, so that purified and temperature and humidity-regulated clean air is provided for the corresponding purification subareas.
The detailed configuration of the air conditioning purification sub-system will be described below with reference to fig. 3, taking the air conditioning purification sub-system S1 as an example.
First, the detailed configuration of the air treatment device 1 will be described. The air treatment device 1 includes: the device comprises a coarse filter 12, a fan 13 for pressurizing air flow and an apparent cooling heater 14 which are sequentially arranged on an air flow path, wherein the apparent cooling heater 14 cools/heats the air flow which sequentially passes through the coarse filter 12 and the fan 13 so as to adjust and control the temperature of ventilation air.
The air treatment device 1 may further comprise a housing 11 containing a coarse filter 12, a fan 13 and a surface-cooled heater 14, the housing 11 being arranged within the structural sandwich.
The surface-cooling heater 14 is connected to an air-conditioning return pipe 18 and an air-conditioning water supply pipe 19. The surface cooling heater 14 is available for both winter and summer, and may be used as a surface cooler to cool the air flowing through when cold water is turned on in summer, and as a heater to heat the air flowing through when hot water is turned on in winter.
The fan 13 is a frequency conversion centrifugal fan, and can adjust the air output of the fan through frequency conversion to adapt to different air output demands and reduce the operation energy consumption.
Preferably, the surface cooling heater 14 is installed in the box 11 at an angle of no more than 45 ° to the vertical direction, for example, to reduce the floor space of the air conditioning treatment device, facilitate installation in the structural sandwich wall, and facilitate the air conditioning condensate on the surface of the surface cooling heater to flow into the water collecting tray 15 on the side wall.
The bottom of the surface cooling heater 14 is provided with a water collecting tray 15 for collecting the condensed water of the air conditioner, the bottom of the water collecting tray 15 is provided with a condensed water drain pipe for draining the condensed water, and a floor drain or a drain pit connected with the condensed water drain pipe is arranged on the ground in the structure sandwich wall to drain the condensed water or the leaked water of the air treatment device 1.
The surface-cooling heater 14 is supplied with cold water or hot water through an air-conditioning return pipe 18 and an air-conditioning supply pipe 19 to cool or heat the air flow passing through the case 11. The surface cooling heater is used as a cooler in summer to cool indoor air, and a cold source of the surface cooling heater is air conditioner chilled water provided by the outside, usually water is supplied at 7 ℃ and backwater is returned at 12 ℃; the air conditioner is used as a heater in winter to heat indoor air, and the heat source of the heater is air-conditioning hot water provided by the outside, usually 60 ℃ water supply and 50 ℃ return water.
Preferably, the air conditioner water return pipe 18 and the air conditioner water supply pipe 19 are also respectively provided with an air conditioner water supply valve 16 and an air conditioner water return valve 17, the air conditioner water supply valve 16 and the air conditioner water return valve 17 can adopt manual valves, and the manual valves are mainly used for cutting off the air conditioner water supply and water return during equipment maintenance and can also be used for hydraulic balance adjustment of air conditioner cold water systems of different air conditioner purification subsystems.
As a preferred example, the box 11 of the air processing device 1 may be a vertical flat structure, and adopt a structural form of lower return air and upper supply air, and is mainly used for air circulation processing of the internal space of the clean factory building, and the temperature, humidity and supply air quantity of the air sent into the corresponding purification subarea by the control measurement and control device 5 are regulated and controlled, so as to meet the requirements of the temperature, humidity and cleanliness of the air of the corresponding purification subarea inside the clean factory building.
Preferably, a fixing bracket may be provided at the bottom of the cabinet 11 of the air treatment device 1 to fix the cabinet 11 to the ground, a rubber cushion may be provided at a contact portion of the fixing bracket and the air treatment device, and a space for installing the return air device may be reserved between the bottom of the air treatment device 1 and the ground.
Preferably, the thickness W1 of the air treatment device 1 is less than half the width W of the structural sandwich wall to facilitate installation or servicing within the structural sandwich wall.
Next, the detailed configuration of the filtering and blowing device 2 will be described. The filtering air blowing device 2 includes two or more air blowing layers having flow paths connected in parallel and arranged at different heights, and for example, as shown in fig. 3, may include 3 air blowing layers L1 to L3.
The structures of the respective air supply levels of the filtering and air-blowing device 2 are the same, and the structures of the respective air supply levels will be described by taking the air supply level L1 in fig. 3 as an example. The air supply layer L1 includes a high efficiency filter 206 and an air supply opening 207 communicating with the corresponding purification zone D1, and supplies clean air filtered by the high efficiency filter to the corresponding purification zone from the air at the outlet of the air treatment device 1. Further, an air supply silencer 201 may be provided on the air supply main pipe 202 that communicates between each of the air supply levels L1 to L3 and the air processing apparatus 1, in order to reduce the influence of fan noise on the room.
As an example, in the embodiment shown in fig. 3, the filtering air-blowing device 2 includes three air-blowing levels L1 to L3, and preferably, the height distance between the air-blowing levels is preferably 4m to 6m. But not limited thereto, the number of the blowing stages may be two, four or more. The number of the air supply layers, the height of each air supply layer and the number of air supply outlets can be determined according to the height of a factory building, the height of products in the factory building and/or the requirement of environmental conditions, and the central height of the highest air supply layer is usually the maximum height of the products in a clean hall.
Specifically, the air supply level L1 further includes air supply branch pipes 205 communicating with the air supply header 202, a high efficiency filter 206, and air supply outlets 207 communicating with the high efficiency filter 206, wherein the air supply header 202 and the air supply branch pipes 205 are connected generally vertically. The silencer arranged on the air supply main pipe 202 can play a role in silencing air flow supplied to each air supply layer, so that the influence of fan noise of the air treatment device 1 on a factory building is reduced.
Similarly, the air-feeding layer L2 includes an air-feeding branch pipe 208 communicating with the air-feeding main pipe 203, a high-efficiency filter 209, and an air-feeding port 210 communicating with the high-efficiency filter 209. The air supply layer L3 includes an air supply branch pipe 211 communicating with the air supply main pipe 204, a high efficiency filter 212, and an air supply outlet 213 communicating with the high efficiency filter 212.
As an example, one air blowing port is provided for each air blowing layer, but it is obvious that the number of air blowing ports is not limited thereto, and two, three, or more air blowing ports may be provided for each air blowing layer. Preferably, the air supply outlet is arranged above the air return opening of the clean hall of the factory building and is lower than the inner side position of the structural clamping wall of the boundary line of the non-clean working area and the clean working area.
Preferably, the distance between the air blowing port 207 of the air blowing layer L1 (i.e., the first layer air blowing port closest to the ground) and the ground is 5m to 6m.
In addition, the air supply outlet is preferably an aluminum alloy nozzle air supply outlet capable of adjusting the air supply direction. The size of the nozzle is selected according to the air supply quantity of the system and the number of air supply outlets to ensure the air supply speed, and the designed air speed of the outlet is preferably 10-15 m/s.
In the embodiment, the filtering grades of the high-efficiency filters of the air supply layer are all H12-H14, the high-efficiency filters are arranged in the static pressure boxes, and the air supply ports are communicated with the air supply ends of the static pressure boxes.
Next, the detailed structure of the air returning device 3 will be described. The air returning device 3 comprises an air returning main pipe 31 connected with the air processing device 1, an air returning opening 35 arranged in the corresponding purifying subarea D1 and an air returning pipe 33 communicated with the air returning opening 35, wherein the air returning pipe 33 is positioned at the flow upstream of the air returning main pipe 31 and is communicated with the air returning main pipe 31.
The return air silencer 32 is arranged on the return air main pipe 31, and the return air silencer 32 is arranged on the air inlet side of the air processing device 1, so that the noise elimination effect on the air flow sent to the box body 11 can be achieved, and the influence of the noise of the fan 13 in the box body 11 on a clean hall through a return air channel is reduced. Further, the return air main pipe 31 is connected to the return air pipe 33 and the fresh air pipe 41 of the fresh air processing device 4, and the fresh air pipe 41 can supply outdoor fresh air to the air processing device 1.
The return duct 33 is provided with a manual return valve 34 for adjusting the ratio of the return air volume to the fresh air volume, and when the fresh air volume is too small, the manual return valve 34 is appropriately closed.
In this embodiment, the installation height H of the air return opening 35 is, for example, 0.3m to 0.5m, which facilitates the maintenance and reduces the absorption of dust and impurities on the ground into the air return opening 35.
Preferably, the air return port 35 is an aluminum alloy single-layer fixed louver port, and the design air speed is not more than 5m/s, so that the secondary noise of the air return port is reduced.
Next, the detailed configuration of the fresh air processing device 4 will be described. The fresh air processing device 4 includes a fresh air port 47, a surface-cooling heater 42, and a fresh air duct 41 connected in this order along the air flow path. Specifically, the outdoor fresh air enters the fresh air processing device 4 through the fresh air inlet 47, undergoes temperature and humidity adjustment processing by the surface cooling heater 42 (for example, temperature and humidity reduction processing is performed on the outdoor fresh air in summer, and temperature increase processing is performed on the outdoor fresh air in winter), and then joins with the return air through the fresh air pipe 41 to be sent to the return air header pipe 31, so as to realize humidity control on the air sent to the corresponding purification zone. The fresh air treatment device 4 can be arranged in the structural sandwich wall.
The surface-cooling heater 42 of the fresh air processing device 4 is connected to an air-conditioning water return pipe 44 and an air-conditioning water supply pipe 46. The surface cooling heater 42 is available in winter and summer, and can be used as a surface cooler for cooling, cooling and dehumidifying fresh air flowing through under the condition that cold water is switched on in summer, and can be used as a heater under the condition that hot water is switched on in winter, so that the fresh air flowing through is heated and warmed.
The surface cooling heater of the fresh air processing device 4 is used as a cooler in summer to cool and dehumidify fresh air, and a cold source of the surface cooling heater is air conditioner chilled water provided by the outside, and the air conditioner chilled water is usually supplied at 7 ℃ and returned at 12 ℃; the air conditioner is used as a heater in winter to preheat fresh air, and the heat source of the air conditioner is air conditioner hot water provided by the outside, usually 60 ℃ water supply and 50 ℃ return water.
Preferably, the air-conditioning water return pipe 44 and the air-conditioning water supply pipe 46 are also respectively provided with an air-conditioning water supply valve 45 and an air-conditioning water return valve 43, and the air-conditioning water supply valve 45 and the air-conditioning water return valve 43 can adopt manual valves, are mainly used for cutting off the air-conditioning water supply and water return during equipment maintenance, and can also be used for hydraulic balance adjustment of an air-conditioning water system.
The lower part of the surface cooling heater 42 of the fresh air processing device 4 is provided with a water outlet, and condensed water is discharged to a ground leakage position nearby by a water discharge pipe.
The fresh air inlet 47 of the fresh air processing device 4 is arranged on the outer wall and used for introducing outdoor fresh air, the fresh air inlet 47 is usually made of aluminum alloy for fixing the louver air inlet, the fresh air inlet of each air-conditioning purification subsystem in the embodiment of the attached drawing is independently arranged, the fresh air of the air-conditioning purification subsystem in the structural sandwich wall 1 or the structural sandwich wall 2 can be centralized and connected to a fresh air main pipe, and then the fresh air main pipe is unified and connected to the outside so as to reduce the number of the fresh air inlets on the outer wall.
Next, a detailed configuration of the measurement and control device 5 will be described. The measurement and control device 5 comprises an environmental parameter detector for detecting environmental parameters of each purification zone, a regulator for regulating and controlling the environmental parameters of each purification zone and a centralized control cabinet 50, wherein the centralized control cabinet 50 is shared by each air-conditioning purification subsystem, namely the centralized control cabinet 50 can regulate and control the environmental parameters of each purification zone and each corresponding air-conditioning purification subsystem.
The measurement and control device 5 realizes the adjustment and control of the environmental parameters by controlling the regulator according to the environmental parameter design indexes of the purification zones and the detection results of the environmental parameter detectors. The environmental parameter design index comprises design air temperature, design air humidity, design air cleanliness and design indoor positive pressure, and the environmental parameter comprises air temperature, air humidity, suspended particulate matter concentration and indoor positive pressure. The environmental parameter design index can be preset or temporarily set during working according to the specific environmental condition requirements of the product to be processed.
It should be noted that, in the present invention, cleanliness refers to air cleanliness, and an air cleanliness class (air cleanliness class) refers to a class standard classified in clean space per unit volume of air by the maximum number limit of suspended particulate matter greater than or equal to the particle size under consideration.
Measurement and control device 5 is still including having the display screen, operating button, centralized control cabinet 50 of treater and memory, the display screen can show the environmental parameter that environmental parameter detector detected, and operation or maintainer can set up or adjust the regulator through operating button of operating control cabinet, the treater can be according to the testing result that the detector detected, design index and feedback control regulator according to the environmental parameter, to air treatment device 1, the operation of filtering air supply arrangement 2 and new trend processing apparatus 4 carries out regulation and control, thereby each item parameter of the air current of sending into each purification subregion is adjusted, realize the independent regulation and control to each purification subregion environmental parameter and vertical air current tissue, the memory is used for recording the environmental parameter that environmental parameter detector detected.
The environmental parameter detector of the measurement and control device 5 includes a temperature and humidity sensor (TH) 57 disposed near the return air inlet 35 of the return air device 3 in each purification zone, a suspended particulate matter concentration sensor 58, and an indoor positive pressure sensor 59 disposed in a clean hall.
The regulator of the measurement and control device 5 may include at least one of a fresh air regulating valve 51 disposed on the fresh air duct 41, a water supply regulating valve 53 disposed on the air-conditioning water supply pipe 19 of the surface-cooled heater 14 of the air processing device 1, a water supply regulating valve 52 disposed on the air-conditioning water supply pipe 46 of the surface-cooled heater 42 of the fresh air processing device 4, and an air supply branch air supply regulating valve disposed on each air supply layer (in the example of fig. 3, electric supply air regulating valves 54, 55, 56 disposed on each air supply branch).
Specifically, the measurement and control device 5 performs feedback control on the switching degree of the air conditioner water supply regulating valve 53 of the surface cooling heater 14 of the air processing device 1 by responding to the air temperature detected by the temperature and humidity sensor 57 of the purification zone according to the environmental parameter design index of the corresponding purification zone, so as to realize control and regulation on the air temperature of the purification zone; the opening and closing degree of the water supply regulating valve 52 of the surface cooling heater 42 of the fresh air processing device 4 can also be feedback controlled in response to the relative air humidity of the purification subarea detected by the temperature and humidity sensor 57, so as to realize the relative air humidity regulation control of the purification subarea; responding to the concentration of the suspended particles of the purification subarea detected by the suspended particle concentration sensor 58 to perform feedback control on the operating frequency of the fan 13 of the corresponding air-conditioning purification subsystem, so as to realize the adjustment control on the concentration of the suspended particles of the purification subarea; the fresh air valves 51 of the fresh air processing devices of all the air conditioning purification subsystems are subjected to feedback control to perform linkage adjustment in response to the indoor positive pressure of the clean hall detected by the indoor positive pressure sensor 59, so that the adjustment control of the indoor positive pressure of the clean hall is realized.
It should be noted that the arrangement and type of the environmental parameter detector and the regulator are not limited to the above-mentioned embodiments, and in the case of measuring the presence or absence of the product and the height of the product in the clean room, an inductive sensor for measuring the product in the purification area and a sensor for measuring the product height may be further provided to automatically determine whether the air-conditioning purification subsystem of each purification area needs to be turned on and the number of turn-on layers of the purification area.
Preferably, the fresh air regulating valve 51 is a fresh air electric regulating valve generally, and under normal operation, the fresh air regulating valve 51 is in an open state, and when the air conditioning purification subsystem is in a shutdown state (i.e. when the corresponding purification subarea does not need air conditioning purification), the fresh air regulating valve 51 is in a closed state to reduce adverse effects of outdoor adverse environmental conditions on the indoor environment.
Next, a method of adjusting and controlling the air temperature of each purification section by the measurement and control device 5 will be described. The measurement and control device 5 detects the air temperature of each purification zone through the temperature and humidity sensor 57, and feeds the detection result back to the processor in the centralized control cabinet 50, so as to adjust and control the air-conditioning water supply regulating valve 53 of the air-conditioning purification subsystem corresponding to each purification zone, and thus, the air temperature in each purification zone can be independently adjusted and controlled.
Under the working condition of summer, when the temperature and humidity sensor 57 of the purification subarea detects that the air temperature of a certain purification subarea is higher than the preset highest temperature of the working condition of summer, the measurement and control device 5 controls to open the air-conditioning water supply regulating valve 53 of the air processing device 1 of the air-conditioning purification subsystem corresponding to the purification subarea, and when the air temperature is detected to be lower than the preset lowest temperature of the working condition of summer, the measurement and control device 5 controls to close the air-conditioning water supply regulating valve 53; under the working condition in winter, when detecting that the air temperature of a certain purification subarea is higher than the maximum temperature of the preset working condition in winter, the measurement and control device 5 controls to close the air-conditioning water supply regulating valve 53 of the air processing device 1 of the air-conditioning purification subsystem corresponding to the purification subarea, and when detecting that the air temperature is lower than the minimum temperature of the preset working condition in winter, the air-conditioning water supply regulating valve 53 is opened. The control method can independently control the air temperature of all the purification subareas, meet different requirements of products in different areas in a clean hall on the environment temperature, realize accurate air conditioner purification and greatly reduce the energy consumption of air conditioner operation.
Next, a method of adjusting and controlling the air humidity of each purification section by the measurement and control device 5 will be described. The measurement and control device 5 detects the relative air humidity of each purification zone through the temperature and humidity sensor 57 of each purification zone, and feeds the detection result back to the processor in the centralized control cabinet 50, and the processor adjusts and controls (increases or decreases the opening of the fresh air conditioning water supply adjusting valve 52) the fresh air conditioning water supply adjusting valve 52 of the fresh air processing device 4 of the air conditioning purification subsystem corresponding to each purification zone, thereby realizing the control and adjustment of the air humidity of each purification zone.
Under the working condition of summer, when the temperature and humidity sensor 57 of the purification subarea detects that the relative humidity of the air is higher than the preset highest relative humidity of the working condition of summer, the processor controls to open the air-conditioning water supply valve 52 of the surface cooling heater 42 of the fresh air processing device 4 of the air-conditioning purification subsystem corresponding to the purification subarea, and when the relative humidity of the air is lower than the preset lowest relative humidity of the working condition of summer, the processor controls to close the air-conditioning water supply valve 52 of the surface cooling heater 42 of the fresh air processing device 4 of the air-conditioning purification subsystem corresponding to the purification subarea, the air humidity of all the purification subareas can be independently controlled by the control method, different requirements of products in different areas in a clean hall on the environmental humidity are met, accurate air-conditioning purification is realized, and the energy consumption of air-conditioning operation is greatly reduced; under the working condition in winter, the indoor air humidity is usually low, so the indoor air humidity is not dehumidified and adjusted, the air conditioner water supply valve 52 is in a fully open state, and the outdoor fresh air is preheated.
Next, a method of adjusting and controlling the air cleanliness of each purification division by the measurement and control device 5 will be described. The measurement and control device 5 can obtain the maximum value of the concentration of the suspended particulate matters in the corresponding air based on the air cleanliness setting value of each purification partition, and subtract a certain safety margin to obtain the limit value of the concentration of the suspended particulate matters in each purification partition, the actual measurement value of the suspended particulate matter concentration sensor 58 of each purification partition is detected and compared with the limit value of the concentration of the suspended particulate matters in the purification partition, and if the actual measurement value is greater than the limit value of the concentration of the suspended particulate matters, the operation frequency of the frequency converter of the variable frequency fan 13 of the air processing device 1 of the air-conditioning purification subsystem corresponding to the purification partition is increased to increase the air supply amount and reduce the concentration of the suspended particulate matters in the air of the purification partition; if the measured value is less than the limit value of the concentration of the suspended particulate matter, the operation frequency of the frequency converter of the frequency conversion fan 13 of the air processing device 1 of the air conditioning purification subsystem corresponding to the purification subarea is reduced to reduce the air supply amount, so that the air cleanliness of each purification subarea can be independently controlled.
For example, when an air conditioning purification system of a clean room is operating, the air volume required for the initial purification stage is large, and the air volume required for maintaining the clean stage is small. In this embodiment, the fan of the air processing apparatus 1 is a variable frequency centrifugal fan, the initial purification stage is operated at power frequency, and the cleaning maintenance stage is operated at reduced frequency according to the above-mentioned regulation and control method for air cleanliness of each purification partition, so as to greatly reduce the air cleaning volume of the air conditioner in the cleaning maintenance stage, and greatly reduce the energy consumption for operating the air conditioning cleaning system.
Next, a regulation control method of the measurement and control device 5 for the positive pressure in the clean hall room will be described. The indoor positive pressure measured value of the clean hall detected by the indoor positive pressure sensor 59 is transmitted to the centralized control cabinet 50, the fresh air regulating valves 51 of the fresh air processing devices 4 of all the running air-conditioning purification subsystems are subjected to feedback control by the processor to carry out linkage regulation (namely, the valve positions of the fresh air regulating valves 51 of the fresh air processing devices 4 of all the running air-conditioning purification subsystems are kept the same), and if the indoor positive pressure measured value of the clean hall exceeds the set value of the indoor positive pressure, the fresh air regulating valves 51 of the fresh air processing devices of all the running air-conditioning purification subsystems are synchronously closed; if the indoor positive pressure measured value of the clean hall is lower than the set value of the indoor positive pressure, the fresh air regulating valve 51 of the fresh air processing device of all the running air-conditioning purification subsystems is synchronously opened, so that the regulation control of the indoor positive pressure of the clean hall is realized.
Next, a regulation control method of the airflow organization of the clean hall by the measurement and control device 5 will be described. And the blast pipe of each air supply layer of each air conditioning purification subsystem is provided with a blast regulating valve (54, 55, 56) which can regulate or close the blast volume of each air supply layer. For example, if it is judged by a person or a sensor that a certain purification zone has no product, the air-conditioning purification subsystem corresponding to the purification zone is closed; detect through manual work or altitude sensor that there is the product in certain purification subregion and the highly be less than under the condition of predetermined height of product, through the control of the operating panel of centralized control cabinet 50 or treater, close the air supply motorised valve that is higher than the air supply layer of the height more than 2m of this product height to realize best subregion, adjustable layering air conditioner purifying effect, realize only purifying the accurate air conditioner of product surrounding environment, increase substantially air conditioning efficiency, make air conditioning system operation energy consumption reduce by a wide margin.
In the present embodiment, the design total pressure of the fan 13 of the air treatment device 1 is usually 1000 to 1200Pa; the sum of the air volume of the air-conditioning purification devices 1 arranged in the sandwich walls of all the structures is larger than the total design air volume of air-conditioning purification in a clean hall.
Preferably, clean hoses can be arranged at the joints of the air supply main pipe and the air return main pipe and the air treatment device 1 so as to block the adverse effect of fan vibration. In addition, the inner wall of the structural sandwich wall is also provided with a sound absorption and insulation device so as to reduce the adverse effect of the noise of the air conditioning treatment device 1 on a factory building through the inner wall body of the structural sandwich wall.
In addition, all air-conditioning purification equipment and pipelines in the structural sandwich wall are insulated by heat insulating materials so as to prevent the outer surface from dewing and reduce the loss of cooling capacity or heat capacity of the air conditioner. Because the space in the structure sandwiched wall is narrow and high, and the air treatment equipment is arranged in the middle, if a fire disaster occurs, the flame spreading speed is high, therefore, the heat-insulating materials all adopt A-grade non-combustible heat-insulating materials.
And an access passage is also arranged beside the high-efficiency filter and the air treatment device 1 in the structural sandwich wall, so that the air treatment device and the high-efficiency filter can be conveniently overhauled and replaced.
Alternatively, if the clean hall is not provided with a structural sandwich wall, the air-conditioning purification subsystems of the purification zones of the air-conditioning purification system of the invention can also be distributed outside the side wall of the clean hall of the tall clean factory building, and the above examples are only for illustration and are not to be construed as limiting the invention.
The gridding sandwich wall distributed air conditioning purification system fully utilizes useless space in the sandwich wall of a building structure, does not need to arrange a special air conditioning room, greatly reduces the building area and the civil engineering investment, and reduces the room area by more than 80 percent; because the air-conditioning purifying equipment is arranged in the clamping walls at the two sides of the clean hall nearby, the size and the length of the air-conditioning purifying air pipe are greatly reduced, the length can be reduced by more than 80 percent, the planar layout of a clean workshop is optimized, the building area occupied by the air pipe is greatly reduced, and the air-conditioning air pipe investment and the fan conveying energy consumption are also greatly reduced; the air conditioning purification system is wide in application, and is particularly suitable for a high and large clean workshop or an ultra-large clean workshop with a clamping wall, wherein the width of the clamping wall is more than 1.5 m.
In addition, through adopting the air current organization form that the layering air conditioner of the multi-layer side air supply of upper portion, the lower part side return air purifies, make the clean hall of clean factory building realize the effect that the layering air conditioner purifies, and the layering height that the layering air conditioner purifies can be adjusted through the air supply motorised valve that closes upper portion air supply layer, in order to adapt to the different demands of not co-altitude product to air conditioner purification height, through latticed dispersion air conditioner purification scheme, realize the air conditioner purification to local space subregion in the big-height space at the horizontal direction, can realize only carrying out accurate air conditioner purification to product surrounding environment, also can carry out different air conditioner purification environmental parameter control to different regions, better satisfy the operation requirement, and air conditioning efficiency has been improved by a wide margin, make air conditioner clean system's operation energy consumption and charges of electricity reduce by a wide margin, the guarantee ability and the system reliability of indoor environmental parameter have still been improved.
Description of the reference numerals
1000 an air conditioning purification system;
1 an air treatment device;
11 a box body;
12 a coarse filter;
13 centrifugal fan;
14, a cold heater;
15 water accumulation plates;
16 air-conditioner water supply manual valve;
17, an air conditioner backwater manual valve;
18 air-conditioning water return pipe;
19 air-conditioning water supply pipe;
2, filtering the air supply device;
201 air supply muffler;
202 air supply main pipe;
203 second layer blast main;
204 a third layer of air supply main pipes;
205 first floor supply branch pipes;
206 a first layer of air supply high-efficiency filter;
207 a first layer air supply outlet;
208 second floor supply branch pipes;
209 second layer air supply high efficiency filter;
210 second layer air supply outlet;
211 a third floor blower branch pipe;
212 third layer air supply high efficiency filter;
213 third layer air supply outlet;
3, an air return device;
31 a main return air pipe;
32 return air silencers;
33 air return pipes;
34 a return air valve;
35 air return openings;
4 fresh air processing device;
41 a fresh air pipe;
42 fresh air surface cooling heaters;
43 air-conditioner backwater manual valve;
44 air-conditioning water return pipe;
45 air-conditioner water supply manual valve;
46 air-conditioning water supply pipe;
47 fresh air inlet
5, a measurement and control device;
50 centralized control cabinets;
51 fresh air regulating valve;
52 fresh air conditioner water supply regulating valve;
53 air conditioner water supply regulating valve;
54 a first layer supply air regulating valve;
55 a second layer air supply regulating valve;
56 third layer air supply regulating valve;
57 temperature and humidity sensors corresponding to the purification zones;
58 suspended particulate matter concentration sensor corresponding to the purification zone;
59 hall clean room positive pressure sensor.
Claims (10)
1. A distributed air-conditioning purification system (1000) for a tall clean room, the clean hall of the room being divided into a plurality of purification zones in a planar grid manner in the horizontal direction, the air-conditioning purification system comprising a plurality of air-conditioning purification sub-systems (S1 to S12) distributed in a one-to-one correspondence with the plurality of purification zones, wherein each of the air-conditioning purification sub-systems comprises:
the air treatment device (1) comprises a coarse filter (12), a fan (13) for pressurizing air flow and a surface cooling heater (14) which are sequentially arranged on an air flow path;
a filtering air supply device (2) which is located at the downstream of the air flow path of the air treatment device and comprises two or more air supply layers (L1, L2, L3) arranged at different heights, wherein each air supply layer comprises a high-efficiency filter (206, 209, 212) and an air supply opening (207, 210, 213) communicated with the corresponding purification subarea;
a return air device (3) which is located upstream of the air flow path of the air treatment device and comprises a return air header (31) connected to the air treatment device and return air inlets (35) arranged in the corresponding purification sections;
the fresh air processing device (4) is positioned at the upstream of an air flow path of the return air device, is communicated with outdoor fresh air at the air inlet side, and comprises a fresh air pipe (41) positioned at the air outlet side and communicated with the return air pipe (33) and a fresh air surface cooling heater (42) arranged on the fresh air pipe;
a measurement and control device (5) which comprises environmental parameter detectors (57 to 59) for detecting environmental parameters of the purification subareas and regulators (51 to 56) for regulating and controlling the environmental parameters of the purification subareas,
the air conditioner comprises a fresh air adjusting valve (51) arranged on a fresh air pipe, a water supply adjusting valve (53) arranged on a cold/hot water flow path between a surface-cooling heater and a cold/hot water source of the air treatment device, a water supply adjusting valve (52) arranged on a cold/hot water flow path between a fresh air surface-cooling heater and a cold/hot water source of the fresh air treatment device and air supply adjusting valves (54, 55 and 56) arranged on air supply pipes of air supply layers, and the measuring and controlling device is used for respectively adjusting the environmental parameters of each purification subarea by controlling the conditioner according to the environmental parameter design indexes of each purification subarea and the detection result of the environmental parameter detector.
2. The air conditioning purification system of claim 1,
dividing the clean hall into two rows along the transverse direction of the clean hall by taking the center line of the short side as a boundary, dividing the clean hall into K rows uniformly at intervals of 5m to 8m or by taking the center line position of a structural column as a boundary along the longitudinal direction of the clean hall, thereby forming 2K purification subareas with basically the same volume,
and the two sides of the long side of the clean hall of the factory building are provided with structural sandwich walls, and the air-conditioning purification subsystems are distributed in the structural sandwich walls near the corresponding purification subareas in a one-to-one correspondence manner with the purification subareas.
3. The air conditioning purification system of claim 1 or 2, wherein the environmental parameter design indicators comprise a design air temperature, a design air humidity, a design air cleanliness, and a design positive indoor pressure, and the environmental parameters comprise a temperature, a humidity, a suspended particulate concentration, and a positive indoor pressure of the air.
4. The air conditioning purification system of claim 3,
the environmental parameter detector comprises a temperature and humidity sensor (57) arranged close to a return air inlet of the return air device in each purification subarea, a suspended particulate matter concentration sensor (58) and an indoor positive pressure sensor (59) arranged in the clean hall.
5. The air conditioning purification system of claim 3, wherein the measurement and control device regulates and controls the environmental parameters of each purification zone according to the environmental parameter design index or the use requirement of each purification zone as follows:
responding to the air temperature detected by the temperature and humidity sensor corresponding to the purification subarea to adjust and control the opening degree of a water supply adjusting valve of a surface cooling heater of an air processing device of an air conditioning purification subsystem corresponding to the purification subarea so as to independently adjust and control the air temperature of each purification subarea;
responding to the relative air humidity detected by the temperature and humidity sensors corresponding to the purification subareas to adjust and control the opening of a water supply adjusting valve of a fresh air surface cooling heater of a fresh air processing device of an air conditioning purification subsystem corresponding to the purification subareas so as to independently adjust and control the relative air humidity of each purification subarea;
responding to the concentration of the suspended particles detected by the particle concentration sensor corresponding to the purification subarea to adjust and control the fan operation frequency of the air-conditioning purification subsystem corresponding to the purification subarea so as to independently adjust and control the concentration of the suspended particles of each purification subarea;
and responding to the indoor positive pressure sensor to detect the indoor positive pressure of the clean hall to adjust and control the fresh air adjusting valves of the fresh air processing devices of all the air conditioning purification subsystems to carry out synchronous adjustment so as to adjust and control the indoor positive pressure of the clean hall.
6. The air conditioning purification system according to claim 1 or 2, wherein the number of the two or more air supply levels and the height of the air supply level of each corresponding purification zone are determined according to the height of the tall clean factory building and the maximum height of the product in each corresponding purification zone, and an electric regulating valve is arranged on an air supply pipe of each air supply level to regulate the air supply amount.
7. The air conditioning purification system of claim 1 or 2, wherein the air treatment device further comprises:
the air conditioner comprises a box body (11), a coarse filter (12), a fan (13), a surface cooling heater (14) and a water collecting disc (15), wherein the surface cooling heater (14) is obliquely arranged in the box body, and the water collecting disc (15) is arranged below the surface cooling heater and on the side wall of the box body and used for receiving air conditioner condensed water;
an air conditioner return pipe (18) communicated with the surface cooling heater; and
a water supply pipe (19) of an air conditioner,
wherein, an air-conditioning water supply valve (16) and an air-conditioning water return valve (17) are respectively arranged on the air-conditioning water return pipe and the air-conditioning water supply pipe.
8. The air conditioning purification system according to claim 1 or 2, wherein the air supply outlet of the filtering air supply device is an aluminum alloy nozzle air supply outlet with adjustable air supply direction, the horizontal distance between two adjacent air supply outlets is 2-3 m, and the design air speed of the air supply outlet is 10-15 m/s.
9. The air-conditioning purification system according to claim 1 or 2, wherein the fan (13) of the air treatment device is a variable-frequency centrifugal fan, the measurement and control device stabilizes the concentration of the suspended particulate matters in the corresponding purification partition at a set value through variable-frequency adjustment of the fan, and the operation frequency of the fan is increased when the concentration of the suspended particulate matters exceeds the set value, and the operation frequency of the fan is decreased otherwise.
10. The air conditioning purification system according to claim 1 or 2, wherein the air supply outlet of the filtering air supply device is arranged on the wall surface above the air return inlet of the inner wall of the structural sandwich wall in a layered manner.
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| CN202211687097.9A CN115978670A (en) | 2022-12-27 | 2022-12-27 | Distributed air conditioner purification system for tall and big clean factory building |
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| CN202211687097.9A CN115978670A (en) | 2022-12-27 | 2022-12-27 | Distributed air conditioner purification system for tall and big clean factory building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847716A (en) * | 2024-03-07 | 2024-04-09 | 深圳智通工业设计有限公司 | Factory building air conditioner control method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012141088A (en) * | 2010-12-28 | 2012-07-26 | Daikin Industries Ltd | Clean room air-conditioning system |
| CN105333567A (en) * | 2014-08-13 | 2016-02-17 | 戴若夫 | Haze eliminating fresh air system based on electrostatic dust removing filter and control method of haze eliminating fresh air system |
| CN206989320U (en) * | 2017-04-28 | 2018-02-09 | 深圳市美兆环境股份有限公司 | Indoor fresh air air handling system |
| CN112524713A (en) * | 2020-12-09 | 2021-03-19 | 苏州水木科能科技有限公司 | Clean environment air conditioning system based on Internet of things and pressure difference regulation and control method thereof |
| CN114963354A (en) * | 2021-05-10 | 2022-08-30 | 航天建筑设计研究院有限公司 | Purification system and building thereof |
-
2022
- 2022-12-27 CN CN202211687097.9A patent/CN115978670A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012141088A (en) * | 2010-12-28 | 2012-07-26 | Daikin Industries Ltd | Clean room air-conditioning system |
| CN105333567A (en) * | 2014-08-13 | 2016-02-17 | 戴若夫 | Haze eliminating fresh air system based on electrostatic dust removing filter and control method of haze eliminating fresh air system |
| CN206989320U (en) * | 2017-04-28 | 2018-02-09 | 深圳市美兆环境股份有限公司 | Indoor fresh air air handling system |
| CN112524713A (en) * | 2020-12-09 | 2021-03-19 | 苏州水木科能科技有限公司 | Clean environment air conditioning system based on Internet of things and pressure difference regulation and control method thereof |
| CN114963354A (en) * | 2021-05-10 | 2022-08-30 | 航天建筑设计研究院有限公司 | Purification system and building thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李兆坚: "某高大洁净厂房空调净化设计特点分析", 暖通空调, vol. 46, no. 10, 31 December 2016 (2016-12-31), pages 92 - 98 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847716A (en) * | 2024-03-07 | 2024-04-09 | 深圳智通工业设计有限公司 | Factory building air conditioner control method and system |
| CN117847716B (en) * | 2024-03-07 | 2024-05-07 | 深圳智通工业设计有限公司 | Factory building air conditioner control method and system |
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