CN110345597A - A kind of system and method for air-conditioning return air dedusting - Google Patents
A kind of system and method for air-conditioning return air dedusting Download PDFInfo
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- CN110345597A CN110345597A CN201910418391.1A CN201910418391A CN110345597A CN 110345597 A CN110345597 A CN 110345597A CN 201910418391 A CN201910418391 A CN 201910418391A CN 110345597 A CN110345597 A CN 110345597A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims description 18
- 239000000428 dust Substances 0.000 claims abstract description 44
- 238000000605 extraction Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 7
- 238000007664 blowing Methods 0.000 description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention provides a kind of systems for air-conditioning return air dedusting, it is related to workshop air conditioning filter control technology field, frequent cleaning and maintenance strainer and coil pipe case are needed to solve the air-conditioning in the current larger occasion of environment dust pollution, the problem of seriously affecting air-conditioning system effect, this system includes: to be set between the return air inlet of air-conditioning and fresh wind port, for by indoor return air dust-filtering, separation and collect dust-extraction unit；It is set between the fresh wind port of air-conditioning and blower for the coil device for receiving the filtered air progress temperature adjustment of dust-extraction unit；It is set at air outlet for the air after temperature adjustment to be expelled to indoor blower fan apparatus.Using this system, pass through the impulse controller that the differential pressure pickup of filter cylinder section two sides is set and is arranged on high-pressure air tube, the dust of indoor return air is filtered and is separated, realize the function of air-conditioning automatic dust removing, it ensure that the using effect of air-conditioning system and extend the service life of air-conditioning components, reduce cost.
Description
Technical field
The present invention relates to dust workshop air conditioning filter technical fields, more particularly to a kind of cell positive material that is used for make vehicle
Between air-conditioning return air dedusting system and method.
Background technique
Traditional air-conditioning equipment is merely able to the function of having air-treatment, including air temperature modification and humidity regulation etc.,
Can not have the ability of dust purification.And traditional dust removal unit is merely able to have dedusting function, can not have air tune
Save function.Function is relatively simple, and it is impossible to meet demands sometimes.Such as two kinds of equipment are simply connected, and are taken up an area
The problems such as area is big, inconvenience installation.
However, the cleannes of internal environment again exigent workshop, such as anode larger for environment dust pollution
Material atelier, the graphite and manganese dioxide powder of the needs in positive electrode manufacturing process can get into the air, and air-conditioning exists
Return air inlet can will be brought into inside air-conditioning with superfine powdered graphite and manganese dioxide powder during carrying out temperature adjustment, that is, the stone for being
Ink powder end and manganese dioxide powder can block the return air filter and coil pipe case of conventional air-conditioning in a short period of time；For vehicle
Interior temperature and humidity reaches requirement, and therefore, it is necessary to the return air filters of frequent cleaning and maintenance air-conditioning and coil pipe case, seriously affect
The effect of air-conditioning system leads to the damage of the components such as filter.
Therefore in conclusion needing to propose a kind of air-conditioning system for capableing of self-cleaning filter cylinder dust, to solve the above problems.
Summary of the invention
To solve the above-mentioned problems, the present invention provides one kind to be examined automatically to dust on surface of filter cartridge blockage
Survey the system and method for air-conditioning return air dedusting with cleaning.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of system for air-conditioning return air dedusting, including return air inlet, fresh wind port and air outlet, which is characterized in that packet
It includes: dust-extraction unit, coil device and blower fan apparatus；
The dust-extraction unit is set between the return air inlet of air-conditioning and fresh wind port, the powder of the air for entering return air inlet
Dirt filtering separates and collects and filtered air is discharged to coil device；
The coil device is set between the fresh wind port of air-conditioning and blower, for receiving the filtered sky of dust-extraction unit
Gas, and temperature adjustment is carried out to filtered air；
The blower fan apparatus is set at air outlet, for receiving the air after coil device temperature adjustment, and will be after temperature adjustment
Air is expelled to interior by air outlet.
Further,
Dust-extraction unit is sequentially communicated from return air inlet to fresh wind port and is provided with filter cylinder section and high-pressure air tube；The filter cylinder section packet
Include transversely arranged multiple groups filter cylinder；Multiple pressure-air back blow ports are provided on the high-pressure air tube, the multiple high pressure is empty
Gas back blow port is corresponding with multiple groups filter cylinder respectively to be tightly connected.
Further,
The two sides of filter cylinder section are provided with differential pressure pickup, and the pressure of filter cylinder section and discharge filter cylinder section is entered for measuring air
Difference.
Further,
Dust-extraction unit further includes the impulse controller that one end of high-pressure air tube is arranged in, and the impulse controller is for producing
High-voltage pulse is given birth to high-pressure air tube.
Further,
Impulse controller further includes pulse valve, the pulse valve and differential pressure pickup electrical connection, for receiving pressure difference sensing
The pressure difference value of device measurement, and opened when received pressure difference value is greater than preset trigger, it is closed when less than preset trigger.
Further,
Impulse controller further includes solid-state control timer, after opening for pulse valve, is passed through according to preset loop process
Pressure-air back blow port is blown pressure-air to filter cylinder by group.
Further,
The filter cylinder is hole less than 10 micron-sized filter cylinders.
Further,
Dust-extraction unit further includes dust-collecting box, and the dust-collecting box is arranged immediately below filter cylinder, for collecting filtering on the outside of filter cylinder
The dust to get off.
Further,
Coil device includes multiple groups circulating water pipeline, the circulating water pipeline vertical array, for being docked by recirculated water
The air of receipts carries out temperature adjustment, and the air after temperature adjustment is expelled to blower.
A method of for air-conditioning return air dedusting, comprising steps of
S1: the dust in indoor return air is filtered and is separated by the filter cylinder of dust-extraction unit；
S2: the differential pressure pickup by the way that filter cylinder section two sides are arranged in obtains air and enters filter cylinder section and filter cylinder section is discharged
Pressure difference；
S3: judge that air enters filter cylinder section and whether the pressure difference of discharge filter cylinder section is greater than preset trigger；
S4: if pressure difference is greater than preset trigger, the pulse valve for controlling impulse controller is opened, and it is empty that control enters high pressure
Tracheae, and entered on the inside of filter cylinder by pressure-air back blow port, blow off the dust adsorbed on the outside of filter cylinder；
S5: will be passed through coil device by the air of dust-extraction unit, be carried out by the multiple groups circulating water pipeline of coil device
Temperature adjustment, and the air after temperature adjustment is recycled to air outlet by blower driving, interior is expelled to by air outlet.
The present invention is include at least the following beneficial effects are as follows:
Under conditions of not changing original air conditioning function, filled by the dedusting of return air inlet and new house the mouth setting in air-conditioning
It sets, realizes the dedusting function of air-conditioning, and can be carried out the function of dedusting self-cleaning；It ensure that the biggish workshop of environment dust pollution
Interior working environment, and the frequent replacement of the filter cylinder and coil device of air-conditioning is avoided, it ensure that the effect of air-conditioning system,
It extends the service life of the components such as filter cylinder and creates a further reduction the cost of enterprise.
Detailed description of the invention
Fig. 1 is the system construction drawing that this is used for air-conditioning return air dedusting；
Fig. 2 is this structural schematic diagram for the dust-extraction unit of the system of air-conditioning return air dedusting；
Fig. 3 is the flow chart that this is used for air-conditioning return air dust removal method.
Wherein, 10, blower fan apparatus, 20, coil device, 21, coil pipe, 30, dust-extraction unit, 31, filter cylinder section, 32, high pressure sky
Tracheae, 321, pressure-air back blow port, 33, impulse controller, 34, dust-collecting box, 40, differential pressure pickup, 50, return air inlet, 60, new
Air port, 70, air outlet.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
A kind of system for air-conditioning return air dedusting is present embodiments provided, as shown in Figure 1 to Figure 2, this system includes back
Air port 50, fresh wind port 60 and air outlet 70, dust-extraction unit 30, coil device 20 and blower fan apparatus 10；
The dust-extraction unit is set between the return air inlet of air-conditioning and fresh wind port, the powder of the air for entering return air inlet
Dirt filtering separates and collects and filtered air is discharged to coil device；
The coil device is set between the fresh wind port of air-conditioning and blower, for receiving the filtered sky of dust-extraction unit
Gas, and temperature adjustment is carried out to filtered air；
The blower fan apparatus is set at air outlet, for receiving the air after coil device temperature adjustment, and will be after temperature adjustment
Air is expelled to interior by air outlet.
Indoor return air with dust will be in indoor return air by being drawn into dust-extraction unit, dust-extraction unit under blower driving effect
Dust be filtered, separate so that reach coil device air be dust-filtering after air, pass through dust-extraction unit, protect
Demonstrate,proved coil device receive sucking air it is more clean, avoid coil device due to dust accumulation need frequently cleaning and
The problem of maintenance.
Wherein coil device, can be by adjusting filtered air after receiving the filtered air of dust-extraction unit
Temperature, i.e., cooling or heating, filtered air will do it the absorption or release of heat in coil device, ensure that the temperature of air-conditioning
Spend the function of adjusting.
The setting of blower fan apparatus realizes the air circulation of entire air-conditioning in the process of running, realizes interior with powder
The return air of dirt brings air-conditioning into, and will be after dust-filtering and air that temperature regulates is expelled to interior by air outlet.
By the setting of dust-extraction unit, coil device and blower fan apparatus, on the basis for the temperature and humidity adjustment for meeting air-conditioning
On realize the purpose of air cleaning.
Dust-extraction unit is sequentially communicated from return air inlet to fresh wind port and is provided with filter cylinder section 31 and high-pressure air tube 32；The filter cylinder
Section includes transversely arranged multiple groups filter cylinder；Multiple pressure-air back blow ports 321 are provided on the high-pressure air tube, it is the multiple
Pressure-air back blow port is corresponding with multiple groups filter cylinder respectively to be tightly connected.
As shown in Fig. 2, wherein the air containing dust is sucked dust-extraction unit by return air inlet by blower when operation of air conditioner；
Air in dust device with dust can be by filter cylinder section, and the dust in air will be filtered the outer surface in filter cylinder,
Clean air is then had filter cylinder center to be discharged into outlet discharge.
The two sides of filter cylinder section are provided with differential pressure pickup 40, and the pressure of filter cylinder section and discharge filter cylinder section is entered for measuring air
Power is poor.
The pressure that the differential pressure pickup being wherein arranged on this filter cylinder mainly passes through air dielectric acts directly on sensor
Diaphragm on, so that diaphragm is generated the micro-displacement directly proportional to pressure medium, the resistance of differential pressure pickup made to change and electricity consumption
This variation of sub- wireline inspection, and convert output one standard signal for corresponding to this pressure；The pressure provided in the present embodiment
Gap sensor is divided into two parts, and a part setting is in filter cylinder section close to return air inlet side, and a part setting is in filter cylinder section close to high
Air hose side is pressed, that is, pressure sensor acquisition of the filter cylinder section close to return air inlet side is set and is entering filter cylinder section containing dust
When air pressure；Pressure sensor acquisition of the filter cylinder section close to high-pressure air tube side is set and passes through filter cylinder for dust mistake
The pressure of air when filtering and being discharged filter cylinder section, the pressure difference before and after filter cylinder section is entered by preset pressure algorithm air, from
And it obtains air and enters filter cylinder section and the pressure difference of filter cylinder section is discharged.This method can be autonomous, accurately, effectively learns, filter cylinder
The amount of the dust of outside filtering and accumulation
Further, the filter cylinder is hole less than 10 micron-sized filter cylinders.
Select 10 micron-sized filter cylinders that can effectively fall the dust-filtering in air in the present embodiment, and can reach can
Suck the requirement of dust.
Dust-extraction unit further includes the impulse controller 33 that one end of high-pressure air tube is arranged in, and the impulse controller is used for
High-voltage pulse is generated to high-pressure air tube.
Wherein the setting of impulse controller can generate high-voltage pulse, so as to by high-voltage pulse on the inside of filter cylinder into
Filtering to the dust on the outside of filter cylinder is blown, falls under gravity after blowing with the dust of filter cylinder outer surface by row blowing
It falls.Realize the separation of dust on surface of filter cartridge.
Impulse controller further includes pulse valve, the pulse valve and differential pressure pickup electrical connection, for receiving pressure difference sensing
The pressure difference value of device measurement, and opened when received pressure difference value is greater than preset trigger, it is closed when less than preset trigger.
Wherein impulse controller, it is impossible to filter cylinder is blown always, therefore, in the present embodiment in impulse controller
It is provided with the pulse valve connected with the differential pressure pickup of detection filter cylinder section both ends air pressure difference, filter cylinder section two is obtained by pulse valve
The pressure differential range of air, and the control opened and closed according to the pressure differential range of acquisition are held, thus, impulse controller, energy
Pressure difference enough in conjunction with the air of filter cylinder section two sides carries out the generation and closing of pulse, and not only energy conservation has been also ensured on the outside of filter cylinder
The efficiency of dust blowing.
Impulse controller further includes solid-state control timer, after opening for pulse valve, is passed through according to preset loop process
Pressure-air back blow port is blown pressure-air to filter cylinder by group.
When the pressure difference that air enters filter cylinder section and filter cylinder section is discharged is greater than preset trigger, filter cylinder will enter default
Dust clean-up process, if multiple pressure-air back blow ports of high-pressure air tube are arranged with the blowing of multiple filter cylinders, then working as pulse
After valve is opened, blowing efficiency is highest always close to two filter cylinders of pulse valve, in order to meet every group of filter cylinder of multiple groups filter cylinder
Dust blowing effect is consistent, therefore, in impulse controller in the system for air-conditioning return air dedusting provided in the present embodiment
It is provided with solid-state control timer, at this point, the high pressure air of high-voltage pulse can enter high-pressure air tube after pulse valve is opened
Interior, solid-state control timer will automatically select a pair of of pressure-air back blow port and open at this time, and the filter cylinder being tightly connected to correspondence
Carry out dust cleaning, the high-voltage pulse that the pressure-air back blow port opened at this time generates can by the compressed air of high pressure directly into
The corresponding filter cylinder filter cylinder center being tightly connected, blows off the dust of filter cylinder outer surface.
The dust-extraction unit provided in the present embodiment, it is ensured that in 2 filter cylinders used time in parallel, in the diameter of 2 filter cylinder length
Upwards, there is positive pressure pressure, common two ends negative pressure appearance caused by preventing because of compressed air jet, it is fixed to control by solid-state
When device setting, further guarantee effectively to filter cylinder carry out dust cleaning regeneration.
Further, dust-extraction unit further includes dust-collecting box 34, and the dust-collecting box is arranged immediately below filter cylinder, the compression of high pressure
Air blows off the dust of filter cylinder outer surface directly into filter cylinder center, drops downward into dust-collecting box under dust gravity.
Further, coil device includes multiple groups circulating water pipeline, the circulating water pipeline vertical array, for by following
Ring water carries out temperature adjustment to received air, and the air after temperature adjustment is expelled to blower.
The multiple groups circulating water pipeline of coil pipe, can cooling and heating by circulating water pipeline so that air is absorbed
Or release heat, guarantee adjusting of the air-conditioning to temperature.
Using this system, under conditions of not changing original air conditioning function, set by the return air inlet and new house mouth in air-conditioning
The dust-extraction unit set, realizes the dedusting function of air-conditioning, and can be carried out the function of dedusting self-cleaning；It ensure that environment dust pollution
Working environment in biggish workshop, and the filter cylinder of air-conditioning and the frequent maintenance of coil device or replacement are avoided, guarantee
The effect of air-conditioning system, extends the service life of the components such as filter cylinder and creates a further reduction the cost of enterprise.
Embodiment two
Present embodiments provide a kind of method for air-conditioning return air dedusting, as shown in figure 3, this method comprising steps of
S1: the dust in indoor return air is filtered and is separated by the filter cylinder of dust-extraction unit；
S2: the differential pressure pickup by the way that filter cylinder section two sides are arranged in obtains air and enters filter cylinder section and filter cylinder section is discharged
Pressure difference；
S3: judge that air enters filter cylinder section and whether the pressure difference of discharge filter cylinder section is greater than preset trigger；
S4: if pressure difference is greater than preset trigger, the pulse valve for controlling impulse controller is opened, and control preset high-pressure is empty
Gas enters on the inside of filter cylinder, blows off the dust adsorbed on the outside of filter cylinder；
S5: will be passed through coil device by the air of dust-extraction unit, be carried out by the multiple groups circulating water pipeline of coil device
Temperature adjustment, and the air after temperature adjustment is recycled to air outlet by blower driving.
The dust-extraction unit that can be arranged by the return air inlet and new house mouth in air-conditioning by this method, realizes removing for air-conditioning
Dirt function, and can be carried out the function of dedusting self-cleaning；It ensure that the working environment in the biggish workshop of environment dust pollution, and
The filter cylinder of air-conditioning and the frequent maintenance of coil device and replacement are avoided, the effect of air-conditioning system is ensure that, extends filter cylinder
The service life of equal components and the cost for creating a further reduction enterprise.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of system for air-conditioning return air dedusting, including return air inlet, fresh wind port and air outlet characterized by comprising
Dust-extraction unit, coil device and blower fan apparatus；
The dust-extraction unit is set between the return air inlet of air-conditioning and fresh wind port, the dust mistake of the air for entering return air inlet
It filters, separate and collect and filtered air is discharged to coil device；
The coil device is set between the fresh wind port of air-conditioning and blower, for receiving the filtered air of dust-extraction unit, and
Temperature adjustment is carried out to filtered air；
The blower fan apparatus is set at air outlet, for receiving the air after coil device temperature adjustment, and by the air after temperature adjustment
Interior is expelled to by air outlet.
2. a kind of system for air-conditioning return air dedusting according to claim 1, which is characterized in that
Dust-extraction unit is sequentially communicated from return air inlet to fresh wind port and is provided with filter cylinder section and high-pressure air tube；The filter cylinder section includes cross
To the multiple groups filter cylinder of arrangement；Multiple pressure-air back blow ports are provided on the high-pressure air tube, the multiple pressure-air is anti-
Mouthpiece is corresponding with multiple groups filter cylinder respectively to be tightly connected.
3. a kind of system for air-conditioning return air dedusting according to claim 2, which is characterized in that
The two sides of filter cylinder section are provided with differential pressure pickup, and the pressure difference of filter cylinder section and discharge filter cylinder section is entered for measuring air.
4. a kind of system for air-conditioning return air dedusting according to claim 3, which is characterized in that
Dust-extraction unit further includes the impulse controller that one end of high-pressure air tube is arranged in, and the impulse controller is for generating height
Press pulse to high-pressure air tube.
5. a kind of system for air-conditioning return air dedusting according to claim 4, which is characterized in that
Impulse controller further includes pulse valve, and the pulse valve and differential pressure pickup electrical connection are surveyed for receiving differential pressure pickup
The pressure difference value of amount, and opened when received pressure difference value is greater than preset trigger, it is closed when less than preset trigger.
6. a kind of system for air-conditioning return air dedusting according to claim 5, which is characterized in that
Impulse controller further includes solid-state control timer, after opening for pulse valve, passes through high pressure according to preset loop process
Air back blow port is blown pressure-air to filter cylinder by group.
7. a kind of system for air-conditioning return air dedusting according to claim 2, which is characterized in that
The filter cylinder is hole less than 10 micron-sized filter cylinders.
8. a kind of system for air-conditioning return air dedusting according to claim 2, which is characterized in that
Dust-extraction unit further includes dust-collecting box, and the dust-collecting box is arranged immediately below filter cylinder, is filtered down on the outside of filter cylinder for collecting
Dust.
9. a kind of system for air-conditioning return air dedusting according to claim 1, which is characterized in that
Coil device includes multiple groups circulating water pipeline, the circulating water pipeline vertical array, for passing through recirculated water to received
Air carries out temperature adjustment, and the air after temperature adjustment is expelled to blower.
10. a kind of method for air-conditioning return air dedusting, which is characterized in that comprising steps of
S1: the dust in indoor return air is filtered and is separated by the filter cylinder of dust-extraction unit；
S2: the differential pressure pickup by the way that filter cylinder section two sides are arranged in obtains air and enters filter cylinder section and the pressure of filter cylinder section is discharged
Difference；
S3: judge that air enters filter cylinder section and whether the pressure difference of discharge filter cylinder section is greater than preset trigger；
S4: if pressure difference is greater than preset trigger, the pulse valve for controlling impulse controller is opened, and control enters pressure-air
Pipe, and entered on the inside of filter cylinder by pressure-air back blow port, blow off the dust adsorbed on the outside of filter cylinder；
S5: will be passed through coil device by the air of dust-extraction unit, carry out temperature adjustment by the multiple groups circulating water pipeline of coil device,
And the air after temperature adjustment is recycled to air outlet by blower driving, interior is expelled to by air outlet.
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| CN201910418391.1A CN110345597A (en) | 2019-05-20 | 2019-05-20 | A kind of system and method for air-conditioning return air dedusting |
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| CN201910418391.1A CN110345597A (en) | 2019-05-20 | 2019-05-20 | A kind of system and method for air-conditioning return air dedusting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054159A (en) * | 2019-12-05 | 2020-04-24 | 李怡华 | Automatic filtering and dust removing device |
| CN112957828A (en) * | 2021-01-29 | 2021-06-15 | 华为技术有限公司 | Filter screen cleaning system, filter screen cleaning method and data center |
| US20210245083A1 (en) * | 2020-02-12 | 2021-08-12 | Carl Freudenberg Kg | Filter module comprising sensor and method for determining the state of a filter element |
| CN114396678A (en) * | 2021-12-09 | 2022-04-26 | 徐州新风空调设备有限公司 | Intelligent dust removal ventilation system |
| CN116294004A (en) * | 2023-03-06 | 2023-06-23 | 中科新天地（合肥）环保科技有限公司 | Centralized dust removal system applied to lithium battery production line |
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| CN112957828A (en) * | 2021-01-29 | 2021-06-15 | 华为技术有限公司 | Filter screen cleaning system, filter screen cleaning method and data center |
| CN112957828B (en) * | 2021-01-29 | 2022-05-31 | 华为数字能源技术有限公司 | Filter screen cleaning system, filter screen cleaning method and data center |
| CN114396678A (en) * | 2021-12-09 | 2022-04-26 | 徐州新风空调设备有限公司 | Intelligent dust removal ventilation system |
| CN116294004A (en) * | 2023-03-06 | 2023-06-23 | 中科新天地（合肥）环保科技有限公司 | Centralized dust removal system applied to lithium battery production line |
| CN116294004B (en) * | 2023-03-06 | 2023-10-27 | 中科新天地（合肥）环保科技有限公司 | Centralized dust removal system applied to lithium battery production line |
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Application publication date: 20191018 |