CN104132417A - Water spraying mechanism in air purification system and control method thereof - Google Patents

Water spraying mechanism in air purification system and control method thereof Download PDF

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Publication number
CN104132417A
CN104132417A CN201410399907.XA CN201410399907A CN104132417A CN 104132417 A CN104132417 A CN 104132417A CN 201410399907 A CN201410399907 A CN 201410399907A CN 104132417 A CN104132417 A CN 104132417A
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water
air
negative ion
watering
ion concentration
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CN104132417B (en
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史和平
赵忠
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SHANGHAI JIACHENG RAILWAY TRANSPORTATION SAFETY SYSTEM CO Ltd
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SHANGHAI JIACHENG RAILWAY TRANSPORTATION SAFETY SYSTEM CO Ltd
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Abstract

A water spraying mechanism in an air purification system comprises a water spraying area, a water mist spraying area, a water and air separation device, an air speed sensor, an air pressure sensor, a temperature and humidity sensor, a negative ion concentration sensor and a water supply and return device. A control method of the water spraying mechanism mainly comprises the steps that air environment quality detection data of an air outlet of the air purification system are collected, the collected air environment quality detection data are compared with a preset switching threshold value, and switching is carried out between a maximum water pressure and flow control mode and a negative ion concentration control mode according to the comparison result. According to the water spraying mechanism in the air purification system and the control method of the water spraying mechanism, air speed in an air channel and water spraying pressure and spraying flow of the water spraying mechanism can be automatically controlled, air speed currently allowed by the air purification system is matched, the concentration of the negative ions generated by the air purification system is made to be optimum, and the comfort degree of the human body is improved.

Description

Watering mechanism in air cleaning system and control method thereof
Technical field
The present invention relates to environmental improvement, relate in particular to watering mechanism and control method thereof in a kind of air cleaning system.
Background technology
The subject matter that watering mechanism in prior art air cleaning system exists is:
1, the mode of operation in water spray district belongs to open loop control, with wind speed, blast in intake stack (air channel), the cache oblivious connection such as the pressure of water spray district's (operating) water nozzle and hydraulic spray nozzle, flow, when externally multivariable parameter changes, this water spray unit, district cannot change thereupon.
2, at water, spray district without negative ion concentration control model, cannot make the negative ion concentration of air cleaning system reach best.
Summary of the invention
Object of the present invention, exactly in order to address the above problem, provides watering mechanism and control method thereof in a kind of air cleaning system of new structure.
In order to achieve the above object, the present invention has adopted following technical scheme: a kind of control method of air cleaning system watering mechanism, comprises the following steps:
A, in advance under current device environment, watering mechanism is under the condition that arranges of different wind speed, different water spray pressure, different injection flows, the negative ion concentration value producing is tested, and usings wind speed and water spray pressure as master variable during test, usings injection flow as secondary variable;
B, the corresponding relation between the test wind speed at different levels, water spray pressure at different levels, injection flow at different levels and the negative ion concentration that obtain is preserved, formed a formula table;
C, when described watering mechanism is regulated and controled, according to described formula table, determine corresponding maximum negative ion concentration in current wind speed range, and corresponding water spray pressure and the injection flow of this negative ion concentration;
D, according to determined water spray pressure and injection flow, regulate and control described watering mechanism.
As further improvement, the control method of above-mentioned air cleaning system watering mechanism, further comprising the steps of: to adopt maximum water pressure and flow control mode and negative ion concentration control model, by gathering the quality of air environment of air cleaning system air outlet, detect data, the quality of air environment detection data that collect and default switching threshold values are compared, according to comparative result, between maximum water pressure and flow control mode and negative ion concentration control model, switch;
Under described negative ion concentration control model, according to step C and D, described watering mechanism is regulated and controled;
Under described maximum water pressure and flow control mode, water spray pressure and the injection flow of described watering mechanism are made as to maximum.
As further improvement, the control method of above-mentioned air cleaning system watering mechanism, wherein, it is PM10 or PM2.5 concentration that described quality of air environment detects data, describedly the quality of air environment that collects is detected to data and default switching threshold values compares, makes its concrete mode of switching between maximum water pressure and flow control mode and negative ion concentration control model be:
When the airborne PM10 of air outlet or PM2.5 concentration being detected higher than default switching threshold values, switch to maximum pressure and flow control mode; When the airborne PM10 of air outlet or PM2.5 concentration being detected less than or equal to default switching threshold values, switch to negative ion concentration control model.
As further improvement, the control method of above-mentioned air cleaning system watering mechanism, wherein, current wind speed range described in step C comprises a plurality of optional air speed value, or only comprises a selected air speed value;
If current wind speed range only comprises a selected air speed value, according to described formula table, determine the corresponding maximum negative ion concentration of this selected air speed value, and corresponding water spray pressure and the injection flow of this negative ion concentration.
As further improvement, the concrete practice of above-mentioned negative ion concentration control model is:
First the wind speed that is different class is set a corresponding negative ion concentration standard value, 60% of this standard value of usining regulates target as master variable, test under same class wind speed, the negative ion concentration value that different water spray pressure is corresponding, record negative ion concentration value corresponding to different water spray pressure obtaining of testing, until test reaches the master variable that this class wind speed is corresponding, regulate target, stop test, record the wind speed class of current water spray pressure, correspondence; On this basis, further regulate injection flow, make current negative ion concentration value reach the negative ion concentration standard value that this class wind speed is corresponding, record in adjustment process the respective value of injection flow and negative ion concentration;
Under the wind friction velocity of each class, all carry out above-mentioned test, record under this class wind speed, the respective value of water spray pressure, injection flow and negative ion concentration; All record values are with the form storage of formula table;
In actual regulation process, the adjusting ratio of single variable wind speed, water spray pressure, is foundation according to the air draft index parameter of whole air cleaning system, when having definite value to require to outlet air quantity, first regulate wind speed variate-value to reach after preset value, according to the corresponding relation of preserving, water spray pressure is arranged again, and according to after arranging, the actual detected value of negative ion concentration, water spray pressure is finely tuned, make under this wind speed, have higher negative ion concentration value; When outlet air quantity can wide region be regulated, bidirectional modulation wind speed, it is mated with water spray pressure variations value in the process that increases or reduce, draw the maximum of negative ion concentration under different wind speed, water spray pressure, specifically can obtain all water spray pressure-injection flow-negative ion concentration value records corresponding to wind speed class in allowed band, choose a class value that wherein negative ion concentration is the highest as output.
A watering mechanism in air cleaning system, is arranged on the air channel of air cleaning system, comprises water spray district, water mist sprinkling district, moisture separator, negative ion concentration sensor, feedwater water recovery apparatus and control module; Water spray district, water mist sprinkling district and moisture separator arrange along air channel order; The air channel at negative ion concentration sensor Yu Ben mechanism rear portion is connected; Feedwater water recovery apparatus comprises supply line and water return pipeline, and supply line divides two-way to be connected with water spray district, water mist sprinkling district respectively, and water return pipeline is connected with air channel; Control module is connected with described water spray district, water mist sprinkling district.
As further improvement, the watering mechanism in above-mentioned air cleaning system, also comprises photo-catalytic filtering screen, and this photo-catalytic filtering screen is arranged on after moisture separator.
As further improvement, the watering mechanism in above-mentioned air cleaning system, wherein, described feedwater water recovery apparatus also comprises backwater treatment box, filtered water tank, freq uency conversion supercharging pump, water return filter; The water inlet of filtered water tank connects municipal water use pipeline, the delivery port of filtered water tank connects freq uency conversion supercharging pump, and freq uency conversion supercharging delivery side of pump connects supply line, and the delivery port of water return pipeline connects backwater treatment box, water return filter is arranged at backwater treatment box, and the delivery port of backwater treatment box connects filtered water tank.
As further improvement, the watering mechanism in above-mentioned air cleaning system, wherein, described water spray district comprises a plurality of water spraying ring pipes of independently controlling water supply by magnetic valve, on each water spraying ring pipe, a plurality of (operating) water nozzles are arranged at 360 degree intervals;
Described water mist sprinkling district comprises a plurality of water spraying ring pipes of independently controlling water supply by magnetic valve, and on each water spraying ring pipe, a plurality of hydraulic spray nozzles are arranged at 360 degree intervals;
The delivery port of the supply line of described feedwater water recovery apparatus divides two-way to be connected with each water spraying ring pipe in water spray district and water mist sprinkling district respectively;
Go up along separate routes with the supply line that each water spraying ring pipe in described water spray district is connected, be provided with water pressure sensor and water flow sensor, for detection of described water, spray water spray pressure and the injection flow of each water spraying ring pipe in district;
Go up along separate routes with the supply line that each water spraying ring pipe in described water mist sprinkling district is connected, be provided with water pressure sensor and water flow sensor, for detection of water spray pressure and the injection flow of each water spraying ring pipe in described water mist sprinkling district.
As further improvement, watering mechanism in above-mentioned air cleaning system, wherein, described moisture separator adopts mesh mist eliminator, its arresting efficiency to the mist of particle diameter >=3~5 μ m reaches 98%-99.8%, and gas is reduced to 250-500Pa by the pressure of mesh mist eliminator.
Watering mechanism in above-mentioned air cleaning system, wherein, described control module comprises:
Memory cell, under current device environment, the corresponding relation between watering mechanism wind speed at different levels, water spray pressure at different levels, injection flow at different levels and negative ion concentration that test obtains is preserved, and forms a formula table; Described test using wind speed and water spray pressure as master variable, using injection flow as secondary variable;
Search unit, for according to described formula table, determine corresponding maximum negative ion concentration in current wind speed range, and corresponding water spray pressure and the injection flow of this negative ion concentration;
Regulation and control unit, for searching the definite water spray pressure in unit and injection flow regulates and controls described watering mechanism according to described.
As further improvement, the watering mechanism in above-mentioned air cleaning system, wherein, described control module also comprises:
Data acquisition unit, for gather the quality of air environment of air cleaning system air outlet detect data;
Comparing unit, for comparing the quality of air environment detection data that collect and default switching threshold values;
Switch unit, be used for according to the comparative result of described comparing unit, between maximum water pressure and flow control mode and negative ion concentration control model, switch, in the time of under being switched to described negative ion concentration control model, described in indication, search unit and search corresponding water spray pressure and injection flow, and indicate described regulation and control unit to search the definite water spray pressure in unit and injection flow regulates and controls described watering mechanism according to described; In the time of under being switched to described maximum water pressure and flow control mode, indicate described regulation and control unit that water spray pressure and the injection flow of described watering mechanism are made as to maximum.
As further improvement, the watering mechanism in above-mentioned air cleaning system, wherein, it is PM10 or PM2.5 concentration that the quality of air environment that described data acquisition unit gathers detects data;
The airborne PM10 of air outlet that described comparing unit collects collecting unit or PM2.5 concentration and default switching threshold values compare;
Described switch unit during higher than default switching threshold values, is switched to maximum pressure and flow control mode in the airborne PM10 of air outlet or PM2.5 concentration; In the airborne PM10 of air outlet or PM2.5 concentration, during less than or equal to default switching threshold values, switch to negative ion concentration control model.
As further improvement, above-mentioned air cleaning system watering mechanism, wherein, described current wind speed range comprises a plurality of optional air speed value, or, only comprise a selected air speed value;
If current wind speed range only comprises a selected air speed value, search unit according to described formula table described in, determine the corresponding maximum negative ion concentration of this selected air speed value, and corresponding water spray pressure and the injection flow of this negative ion concentration; Described regulation and control unit regulates and controls described watering mechanism according to determined water spray pressure and injection flow;
If current wind speed range comprises a plurality of optional air speed value, search unit according to described formula table described in, determine the corresponding maximum negative ion concentration of each optional air speed value, and corresponding air speed value, water spray pressure and the injection flow of this negative ion concentration; Described regulation and control unit regulates and controls described watering mechanism according to determined water spray pressure and injection flow, and according to determined air speed value, regulates and controls the air intake unit of described air cleaning system.
The present invention, owing to having adopted above technical scheme, makes it compared with prior art, has following advantage and disadvantage:
1, watering mechanism of the present invention can be comprehensive, the airborne big dust particle of quick adsorption and superfine micro-containing hydrophilic contaminant particles such as dust hazes, purify air.Meanwhile, can, to water circulation use, save Water Energy.
2, watering mechanism of the present invention is controlled water spray pressure, the injection flow of wind speed and watering mechanism in air channel automatically, coordinate current the allowed wind speed of air cleaning system, make the negative ion concentration that air cleaning system produces reach best, improve human comfort.
3, automatically between maximum water pressure and flow control mode and negative ion concentration control model, switch, pay the utmost attention to air purification effect, meeting under the prerequisite of air purification effect, improving airborne negative ion concentration, aspect air quality and human comfort two, providing double shield.
Accompanying drawing explanation
Fig. 1 is the basic structure schematic diagram of the watering mechanism in air cleaning system in the embodiment of the present invention 1
Fig. 2 is air cleaning system watering mechanism control method flow chart in the embodiment of the present invention 2;
Fig. 3 is the control module structure chart of air cleaning system watering mechanism in the embodiment of the present invention 3.
The specific embodiment
Embodiment 1:
Referring to Fig. 1, watering mechanism in air cleaning system of the present invention, comprise the water spray district 2, water mist sprinkling district 3, moisture separator 4, air velocity transducer 5, wind pressure sensor 6, Temperature Humidity Sensor 7 and the negative ion concentration sensor 8 that are arranged on air channel 1, and be arranged on feedwater water recovery apparatus 9 and the control module (out not shown) outside air channel.Water spray district, water mist sprinkling district and moisture separator arrange along air channel order; Air velocity transducer and wind pressure sensor are separately positioned in the air channel of this mechanism front portion, and Temperature Humidity Sensor and negative ion concentration sensor arrange respectively in the air channel at this mechanism rear portion; Feedwater water recovery apparatus comprises supply line and water return pipeline, by supply line, is connected, and is connected with air channel by water return pipeline respectively with water spray district, water mist sprinkling district.By air velocity transducer 5 (models: EE66), wind pressure sensor 6 (models: ZT-150), Temperature Humidity Sensor 7 (model: WLHT-IS) with negative ion concentration sensor 8 (AIC-1000), can distinguish real time on-line monitoring wind speed, blast, temperature, humidity, the parameter of negative ion concentration, comprehensively determine the mode of operation of water spray and water mist sprinkling nozzle, and according to (operating) water nozzle, outlet water pressure and the discharge of hydraulic spray nozzle, intelligence regulates the rotating speed of freq uency conversion supercharging pump, dynamic adjustments output, make the wind speed in this unit, blast is followed set-point and is changed, make the negative ion concentration that produces in this mechanism higher.Control module is connected with water spray district 2, water mist sprinkling district 3.
Feedwater water recovery apparatus 9 wherein comprises filtered water tank 91, freq uency conversion supercharging pump 92, backwater treatment box 93, water return filter, supply line 94 and water return pipeline 95; The water inlet of filtered water tank 91 connects municipal water use pipeline, the delivery port of filtered water tank 91 connects freq uency conversion supercharging pump, and freq uency conversion supercharging delivery side of pump connects supply line, and the delivery port of water return pipeline 95 connects backwater treatment box 93, delivery port connects filtered water tank, and water return filter is arranged in backwater treatment box 93.
Water spray district 2 comprises a plurality of water spraying ring pipes of independently controlling water supply by magnetic valve, each water spraying ring pipe is respectively by a water spraying electromagnetic valve (DC24V electromagnetic valve model: ZCS-DN25) the independent water of controlling is supplied with, and be communicated with the supply line in feedwater water recovery apparatus, on each water spraying ring pipe, be evenly interval with respectively 6 (operating) water nozzles ((operating) water nozzle model: CC-1/4-6510-304SS), the spray angle of each (operating) water nozzle is 65 degree left and right; The air of 6 (operating) water nozzle omnidirectional jet flow also adsorbs big dust particle etc.On the supply line in water spray district, be provided with water pressure sensor and water flow sensor, for detection of water, spray water spray pressure and the injection flow of each water spraying ring pipe in district.
Water mist sprinkling district 3 comprises a plurality of water mist sprinkling endless tubes of independently controlling water supply by magnetic valve, each water mist sprinkling endless tube is respectively by a water mist sprinkling magnetic valve (DC24V electromagnetic valve model: ZCS-DN25) the independent water of controlling is supplied with, and be communicated with the supply line in feedwater water recovery apparatus, on each water mist sprinkling endless tube, be evenly interval with respectively 6 hydraulic spray nozzles ((operating) water nozzle model: 1/4FB-SS+FN4.0-SS), the spray angle of each hydraulic spray nozzle is 60 degree left and right; Under the water pressure of 7bar, water consumption is 13L/H, and the average particulate diameter of liquid droplets is less than 40 μ m, and high-pressure atomization, further adsorbs superfine micro-hydrophilic contaminant particles such as dust haze that contain.On the supply line in water mist sprinkling district, be provided with water pressure sensor and water flow sensor, for detection of water spray pressure and the injection flow of each water spraying ring pipe in water mist sprinkling district.
Moisture separator 4 adopts mesh mist eliminator (S 800-100 SP 304/304 type), and its arresting efficiency to the mist of particle diameter >=3~5 μ m reaches 98%-99.8%.Gas is reduced to 250-500Pa by the pressure of mesh mist eliminator; After the water in two spray districts sprays, by water return pipeline, be transported to feedwater water recovery apparatus and carry out purified treatment, recycle.
By this watering mechanism, can be comprehensive, the airborne big dust particle of quick adsorption and superfine micro-containing hydrophilic contaminant particles such as dust hazes, purify air.Meanwhile, can, to water circulation use, save Water Energy.
On the watering mechanism of present embodiment, can also comprise photo-catalytic filtering screen 10, this photo-catalytic filtering screen is arranged on after moisture separator.By this photo-catalytic filtering screen, further possible residual dust and the contaminant particles in absorbed air, improves air cleaning quality.
It should be noted that, in each embodiment of the present invention, the model of each equipment, only for illustrating, is not limited to the equipment of this model.
Embodiment 2
The control method of the air cleaning system watering mechanism in present embodiment, comprise two kinds of control models of maximum water pressure and flow control mode and negative ion concentration control model, by gathering the quality of air environment of air cleaning system air outlet, detect data, the quality of air environment detection data that collect and default switching threshold values are compared, according to comparative result, between maximum water pressure and flow control mode and negative ion concentration control model, switch.
The result changing due to parametric synthesis such as the variation of negative ion concentration value and wind speed, nozzle exit pressure, flow, temperature, humidity in intake stack is relevant, without fixing mathematical function model.Present embodiment using wind speed and water spray pressure as master variable, regulate, the adjusting proportion of two master variables accounts for 60%, the injection flow of usining regulates as secondary variable, adjusting ratio accounts for 40%.
Specifically, to under current device environment, watering mechanism is under the condition that arranges of different wind speed, different water spray pressure, different injection flows in advance, and the negative ion concentration value producing is tested, during test, using wind speed and water spray pressure as master variable, using injection flow as secondary variable; Corresponding relation between wind speed at different levels, water spray pressure at different levels, injection flow at different levels and the negative ion concentration that test is obtained is preserved, and forms a formula table.Under negative ion concentration control model, according to this formula table, regulate and control.
When test, can wind speed be divided into a plurality of class according to actual conditions, test under same class wind speed, negative ion concentration value corresponding to different water spray pressure in the reasonable scope, record negative ion concentration value corresponding to different water spray pressure obtaining of testing, and current water spray pressure, correspondence wind speed class.On this basis, further regulate injection flow (equally in the reasonable scope), test under same class wind speed and water spray pressure, the negative ion concentration standard value that different injection flows is corresponding, under the wind speed of each class and water spray pressure condition, all carry out above-mentioned test, finally obtain the corresponding relation between wind speed at different levels, water spray pressure at different levels, injection flow at different levels and negative ion concentration.
Concrete regulation and control flow process as shown in Figure 2.
In step 201, the quality of air environment that regularly gathers air cleaning system air outlet detects data, as PM10 or PM2.5 concentration.
In step 202, the quality of air environment detection data that collect and default switching threshold values are compared, if quality of air environment detects data, be inferior to switching threshold values, enter step 203, enter maximum water pressure and flow control mode; If quality of air environment detects data, be better than switching threshold values, enter step 204, enter negative ion concentration control model.
The quality of air environment gathering detects data, and to take PM10 or PM2.5 concentration be example, in the airborne PM10 of air outlet or PM2.5 concentration, during higher than default switching threshold values, switches to maximum pressure and flow control mode; When the airborne PM10 of air outlet or PM2.5 concentration being detected less than or equal to default switching threshold values, switch to negative ion concentration control model.
In step 203, adopt large water pressure and flow control mode to control watering mechanism, water spray pressure and the injection flow of watering mechanism (comprising water spray district and water mist sprinkling district) are made as to maximum.Specifically can be according to the rotating speed of freq uency conversion supercharging pump and the keying of magnetic valve in this spray water pressure and injection flow regulation and control watering mechanism.
In step 204, enter negative ion concentration control model, according to preserved formula table, determine corresponding maximum negative ion concentration in current wind speed range, and corresponding water spray pressure and the injection flow of this negative ion concentration.
If current wind speed is determined, directly search the maximum negative ion concentration that this wind speed is corresponding, and corresponding water spray pressure and the injection flow of this negative ion concentration; If current wind speed is adjustable within the specific limits, search corresponding maximum negative ion concentration in this wind speed range, and corresponding wind speed, water spray pressure and the injection flow of this negative ion concentration.
In step 205, according to determined water spray pressure in step 204 and injection flow regulation and control watering mechanism, specifically can be according to the rotating speed of freq uency conversion supercharging pump and the keying of magnetic valve in this spray water pressure and injection flow regulation and control watering mechanism.If wind speed is adjustable within the specific limits, according to definite wind speed in step 204, the air inlet mechanism of air cleaning system is adjusted.
Afterwards, every a time period, return to step 201, continue to gather the current quality of air environment of air cleaning system air outlet and detect data.
By above-mentioned control mode, make watering mechanism water spray pressure, the injection flow of wind speed and watering mechanism in management and control air channel automatically, coordinate current the allowed wind speed of air cleaning system, make the negative ion concentration that air cleaning system produces reach best, improve human comfort.
And, automatically between maximum water pressure and flow control mode and negative ion concentration control model, switch, pay the utmost attention to air purification effect, meeting under the prerequisite of air purification effect, improve airborne negative ion concentration, aspect air quality and human comfort two, providing double shield.
Embodiment 3:
Embodiment 3, on the basis of embodiment 1, is further introduced control module wherein.As shown in Figure 3, the control module of this air cleaning system watering mechanism comprises:
Memory cell, under current device environment, the corresponding relation between watering mechanism wind speed at different levels, water spray pressure at different levels, injection flow at different levels and negative ion concentration that test obtains is preserved, and forms a formula table; Described test using wind speed and water spray pressure as master variable, using injection flow as secondary variable;
Search unit, for according to described formula table, determine corresponding maximum negative ion concentration in current wind speed range, and corresponding water spray pressure and the injection flow of this negative ion concentration;
Regulation and control unit, for searching the definite water spray pressure in unit and injection flow regulates and controls described watering mechanism according to described.
As further improvement, in this control module, can also comprise:
Data acquisition unit, detects data for gathering the quality of air environment of air cleaning system air outlet;
Comparing unit, for comparing the quality of air environment detection data that collect and default switching threshold values;
Switch unit, be used for according to the comparative result of described comparing unit, between maximum water pressure and flow control mode and negative ion concentration control model, switch, in the time of under being switched to described negative ion concentration control model, described in indication, search unit and search corresponding water spray pressure and injection flow, and indicate described regulation and control unit to search the definite water spray pressure in unit and injection flow regulates and controls described watering mechanism according to described; In the time of under being switched to described maximum water pressure and flow control mode, indicate described regulation and control unit that water spray pressure and the injection flow of described watering mechanism are made as to maximum.
It can be PM10 or PM2.5 concentration that the quality of air environment that data acquisition unit gathers detects data;
The airborne PM10 of air outlet that comparing unit collects collecting unit or PM2.5 concentration and default switching threshold values compare;
Switch unit during higher than default switching threshold values, is switched to maximum pressure and flow control mode in the airborne PM10 of air outlet or PM2.5 concentration; In the airborne PM10 of air outlet or PM2.5 concentration, during less than or equal to default switching threshold values, switch to negative ion concentration control model.
As further improvement, described current wind speed range can comprise a plurality of optional air speed value, or, also can only comprise a selected air speed value;
If current wind speed range only comprises a selected air speed value, search unit according to described formula table described in, determine the corresponding maximum negative ion concentration of this selected air speed value, and corresponding water spray pressure and the injection flow of this negative ion concentration; Described regulation and control unit regulates and controls described watering mechanism according to determined water spray pressure and injection flow;
If current wind speed range comprises a plurality of optional air speed value, search unit according to described formula table described in, determine the corresponding maximum negative ion concentration of each optional air speed value, and corresponding air speed value, water spray pressure and the injection flow of this negative ion concentration; Described regulation and control unit regulates and controls described watering mechanism according to determined water spray pressure and injection flow, and according to determined air speed value, regulates and controls the air intake unit of described air cleaning system.
The watering mechanism of present embodiment is controlled water spray pressure, the injection flow of wind speed and watering mechanism in air channel automatically, coordinate current the allowed wind speed of air cleaning system, make the negative ion concentration that air cleaning system produces reach best, improve human comfort.
Further, can automatically between maximum water pressure and flow control mode and negative ion concentration control model, switch, pay the utmost attention to air purification effect, meeting under the prerequisite of air purification effect, improve airborne negative ion concentration, aspect air quality and human comfort two, providing double shield.

Claims (12)

1. a control method for air cleaning system watering mechanism, is characterized in that, comprises the following steps:
A, in advance under current device environment, watering mechanism is under the condition that arranges of different wind speed, different water spray pressure, different injection flows, the negative ion concentration value producing is tested, and usings wind speed and water spray pressure as master variable during test, usings injection flow as secondary variable;
B, the corresponding relation between the test wind speed at different levels, water spray pressure at different levels, injection flow at different levels and the negative ion concentration that obtain is preserved, formed a formula table;
C, when described watering mechanism is regulated and controled, according to described formula table, determine corresponding maximum negative ion concentration in current wind speed range, and corresponding water spray pressure and the injection flow of this negative ion concentration;
D, according to determined water spray pressure and injection flow, regulate and control described watering mechanism.
2. the control method of air cleaning system watering mechanism according to claim 1, it is characterized in that, further comprising the steps of: to adopt maximum water pressure and flow control mode and negative ion concentration control model, by gathering the quality of air environment of air cleaning system air outlet, detect data, the quality of air environment detection data that collect and default switching threshold values are compared, according to comparative result, between maximum water pressure and flow control mode and negative ion concentration control model, switch;
Under described negative ion concentration control model, according to step C and D, described watering mechanism is regulated and controled;
Under described maximum water pressure and flow control mode, water spray pressure and the injection flow of described watering mechanism are made as to maximum.
3. the control method of air cleaning system watering mechanism according to claim 2, it is characterized in that: it is PM10 or PM2.5 concentration that described quality of air environment detects data, describedly the quality of air environment that collects is detected to data and default switching threshold values compares, makes its concrete mode of switching between maximum water pressure and flow control mode and negative ion concentration control model be:
When the airborne PM10 of air outlet or PM2.5 concentration being detected higher than default switching threshold values, switch to maximum pressure and flow control mode; When the airborne PM10 of air outlet or PM2.5 concentration being detected less than or equal to default switching threshold values, switch to negative ion concentration control model.
4. the control method of air cleaning system watering mechanism according to claim 1, is characterized in that: current wind speed range described in step C comprises a plurality of optional air speed value, or only comprises a selected air speed value;
If current wind speed range only comprises a selected air speed value,, in described step C, according to described formula table, determine the corresponding maximum negative ion concentration of this selected air speed value, and corresponding water spray pressure and the injection flow of this negative ion concentration; In described step D, according to determined water spray pressure and injection flow, regulate and control described watering mechanism;
If current wind speed range comprises a plurality of optional air speed value, in described step C according to described formula table, determine the corresponding maximum negative ion concentration of each optional air speed value, and air speed value corresponding to this negative ion concentration, water spray pressure and injection flow; In described step D, according to determined water spray pressure and injection flow, regulate and control described watering mechanism, and according to determined air speed value, regulate and control the air inlet mechanism of described air cleaning system.
5. the watering mechanism in air cleaning system, is arranged on the air channel of air cleaning system, it is characterized in that: comprise water spray district, water mist sprinkling district, moisture separator, negative ion concentration sensor, feedwater water recovery apparatus and control module; Water spray district, water mist sprinkling district and moisture separator arrange along air channel order; The air channel at negative ion concentration sensor Yu Ben mechanism rear portion is connected; Feedwater water recovery apparatus comprises supply line and water return pipeline, and supply line divides two-way to be connected with water spray district, water mist sprinkling district respectively, and water return pipeline is connected with air channel; Control module is connected with described water spray district, water mist sprinkling district.
6. the watering mechanism in air cleaning system as claimed in claim 5, is characterized in that: also comprise photo-catalytic filtering screen, this photo-catalytic filtering screen is arranged on after moisture separator.
7. the watering mechanism in air cleaning system as claimed in claim 5, is characterized in that: described feedwater water recovery apparatus also comprises backwater treatment box, filtered water tank, freq uency conversion supercharging pump, water return filter; The water inlet of filtered water tank connects municipal water use pipeline, the delivery port of filtered water tank connects freq uency conversion supercharging pump, and freq uency conversion supercharging delivery side of pump connects supply line, and the delivery port of water return pipeline connects backwater treatment box, water return filter is arranged at backwater treatment box, and the delivery port of backwater treatment box connects filtered water tank.
8. the watering mechanism in air cleaning system as claimed in claim 5, is characterized in that: described water spray district comprises a plurality of water spraying ring pipes of independently controlling water supply by magnetic valve, and on each water spraying ring pipe, a plurality of (operating) water nozzles are arranged at 360 degree intervals;
Described water mist sprinkling district comprises a plurality of water spraying ring pipes of independently controlling water supply by magnetic valve, and on each water spraying ring pipe, a plurality of hydraulic spray nozzles are arranged at 360 degree intervals;
The delivery port of the supply line of described feedwater water recovery apparatus divides two-way to be connected with each water spraying ring pipe in water spray district and water mist sprinkling district respectively;
Go up along separate routes with the supply line that each water spraying ring pipe in described water spray district is connected, be provided with water pressure sensor and water flow sensor, for detection of described water, spray water spray pressure and the injection flow of each water spraying ring pipe in district;
Go up along separate routes with the supply line that each water spraying ring pipe in described water mist sprinkling district is connected, be provided with water pressure sensor and water flow sensor, for detection of water spray pressure and the injection flow of each water spraying ring pipe in described water mist sprinkling district.
9. the watering mechanism in air cleaning system as claimed in claim 5, it is characterized in that: described moisture separator adopts mesh mist eliminator, its arresting efficiency to the mist of particle diameter >=3~5 μ m reaches 98%-99.8%, and gas is reduced to 250-500Pa by the pressure of mesh mist eliminator.
10. the watering mechanism in air cleaning system as claimed in claim 5, is characterized in that, described control module comprises:
Memory cell, under current device environment, the corresponding relation between watering mechanism wind speed at different levels, water spray pressure at different levels, injection flow at different levels and negative ion concentration that test obtains is preserved, and forms a formula table; Described test using wind speed and water spray pressure as master variable, using injection flow as secondary variable;
Search unit, for according to described formula table, determine corresponding maximum negative ion concentration in current wind speed range, and corresponding water spray pressure and the injection flow of this negative ion concentration;
Regulation and control unit, for searching the definite water spray pressure in unit and injection flow regulates and controls described watering mechanism according to described.
Watering mechanism in 11. air cleaning systems according to claim 10, is characterized in that, described control module also comprises:
Data acquisition unit, for gather the quality of air environment of air cleaning system air outlet detect data;
Comparing unit, for comparing the quality of air environment detection data that collect and default switching threshold values;
Switch unit, be used for according to the comparative result of described comparing unit, between maximum water pressure and flow control mode and negative ion concentration control model, switch, in the time of under being switched to described negative ion concentration control model, described in indication, search unit and search corresponding water spray pressure and injection flow, and indicate described regulation and control unit to search the definite water spray pressure in unit and injection flow regulates and controls described watering mechanism according to described; In the time of under being switched to described maximum water pressure and flow control mode, indicate described regulation and control unit that water spray pressure and the injection flow of described watering mechanism are made as to maximum.
Watering mechanism in 12. air cleaning systems according to claim 11, is characterized in that: it is PM10 or PM2.5 concentration that the quality of air environment that described data acquisition unit gathers detects data;
The airborne PM10 of air outlet that described comparing unit collects collecting unit or PM2.5 concentration and default switching threshold values compare;
Described switch unit during higher than default switching threshold values, is switched to maximum pressure and flow control mode in the airborne PM10 of air outlet or PM2.5 concentration; In the airborne PM10 of air outlet or PM2.5 concentration, during less than or equal to default switching threshold values, switch to negative ion concentration control model.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105749660A (en) * 2016-01-31 2016-07-13 熊小宁 Automatic control washing device for haze
CN106178945A (en) * 2016-09-21 2016-12-07 东莞市金森工业机械有限公司 A kind of plasma light catalytic control equipment
CN106237758A (en) * 2016-10-12 2016-12-21 无锡派乐科技有限公司 A kind of workshop dedusting mixing arrangement based on dust monitoring

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000093726A (en) * 1998-09-22 2000-04-04 Nec Home Electronics Ltd Mist generating apparatus
CN2393011Y (en) * 1999-11-05 2000-08-23 南京市大华电影院 Air treatment apparatus used in public places
CN1594999A (en) * 2004-06-17 2005-03-16 上海交通大学 Combined type air purification and sterilization device
CN102949902A (en) * 2011-08-18 2013-03-06 上海科盈环保设备有限公司 Sterilizing inlet air deduster
JP5410622B1 (en) * 2013-01-18 2014-02-05 首都高速道路株式会社 Spray control system for temperature drop in tunnel and spray control method for temperature drop in tunnel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000093726A (en) * 1998-09-22 2000-04-04 Nec Home Electronics Ltd Mist generating apparatus
CN2393011Y (en) * 1999-11-05 2000-08-23 南京市大华电影院 Air treatment apparatus used in public places
CN1594999A (en) * 2004-06-17 2005-03-16 上海交通大学 Combined type air purification and sterilization device
CN102949902A (en) * 2011-08-18 2013-03-06 上海科盈环保设备有限公司 Sterilizing inlet air deduster
JP5410622B1 (en) * 2013-01-18 2014-02-05 首都高速道路株式会社 Spray control system for temperature drop in tunnel and spray control method for temperature drop in tunnel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105749660A (en) * 2016-01-31 2016-07-13 熊小宁 Automatic control washing device for haze
CN106178945A (en) * 2016-09-21 2016-12-07 东莞市金森工业机械有限公司 A kind of plasma light catalytic control equipment
CN106237758A (en) * 2016-10-12 2016-12-21 无锡派乐科技有限公司 A kind of workshop dedusting mixing arrangement based on dust monitoring

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