CN104259003A - Device for eliminating respirable particles by electrostatic spraying - Google Patents
Device for eliminating respirable particles by electrostatic spraying Download PDFInfo
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- CN104259003A CN104259003A CN201410560206.XA CN201410560206A CN104259003A CN 104259003 A CN104259003 A CN 104259003A CN 201410560206 A CN201410560206 A CN 201410560206A CN 104259003 A CN104259003 A CN 104259003A
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Abstract
The invention belongs to the technical field of electrostatic spraying and dust removal and relates to a device for eliminating PM2.5 particles by electrostatic spraying. One end of a liquid conveying pipe is inserted into a liquid storage tank, and the other end of the liquid conveying pipe is communicated with a nozzle. The middle of the liquid conveying pipe is connected with a high-pressure pump in series, and a liquid inlet and a liquid outlet are formed in the left and the right of the high-pressure pump. A metal capillary pipe is arranged in a spray pipe, and an insulation plug is arranged at the rear part of the spray pipe and communicated with the liquid conveying pipe and the metal capillary pipe. The metal capillary pipe is connected with a high-voltage electrostatic generator, and an air pump is vertically integrated with the high-voltage electrostatic generator. During use, water-soluble carboxymethyl chitosan is dissolved in water, magnetically stirred and then put in the liquid storage tank, then the high-pressure pump, the high-voltage electrostatic generator and the air pump are turned on to start spraying, finally settling occurs after the chitosan adsorbs the PM2.5 particles, and thus the effect of removing microscopic dust is realized. The device has the advantages of reasonable structure, reliable principle, easiness and convenience in use and operation, good effect of removing microscopic dust, low cost, complete functions and environmental friendliness.
Description
Technical field:
The invention belongs to electrostatic spray dedusting technology field, relate to the device that PM2.5 (can enter lung) particle eliminated by the micro-nano macromolecular material of a kind of electrostatic spray.
Background technology:
In recent years, along with the deterioration of air quality, the number of times that haze weather phenomenon occurs gets more and more, and harm increases the weight of." climate change Green Book: reply climate change report (2013) " that the Chinese Academy of Social Sciences, China Meteorological Administration combine issue is pointed out, haze weather phenomenon causes significant negative effect can to weather, environment, health, economic dispatch aspect, can be made chronic disease aggravate, make respiratory system and cardiac system disease progression, change PFT and structure, affect fecundity, change the immune structure etc. of human body, the chief component of haze is sulfur dioxide, nitrogen oxide and pellet, wherein the above two are gaseous contaminant, last particle is only the arch-criminal increasing the weight of haze weather and pollute, the english abbreviation of particle is PM, wherein PM2.5 is the contaminant particle that equivalent aerodynamic diameter is less than or equal to 2.5 microns, be otherwise known as and can enter lung particle, because its particle diameter is little, area is large, active strong, easily subsidiary poisonous, harmful substance (such as heavy metal, microorganism etc.), and time of staying is in an atmosphere long, fed distance is far away, thus larger on the impact of health and atmosphere quality, in February, 2014, point out when Xi Jinping investigates in Beijing: the top priority that reply haze pollutes, improves air quality is control PM2.5.The basic road of control PM2.5 sets up that permanent mechanism controls, decreasing pollution source, but this is a long-term process.At present, the means of control PM2.5 mainly rely on bag-type dust, air purifier multistage filtering to adsorb, and PM2.5 particle is stopped by filter screen, thus reaches the object purified air, but the material requires such as its filter screen upgrade often, cost is higher.In addition, electrostatic precipitator technology is also often applied to control PM2.5, and the principle of electrostatic precipitation utilizes strong electric field ionization air molecule that the electronegative positive pole that is adsorbed onto of grit is collected, this technology is widely used at present, but PM2.5 particle due to diameter too small, chargeability is low, and adsorption efficiency is not high; In addition, the dedusting of existing techniques in realizing said method is all can only adsorb PM2.5 particle, can not play bactericidal action, cannot reach the object purified air completely, so the technical scheme designing a kind of electrostatic spray elimination dust particale has important social effect and economic worth.
Summary of the invention:
The object of the invention is to the shortcoming overcoming prior art existence, eliminate the PM2.5 particle in air, seek to design the device that PM2.5 particle eliminated by the micro-nano macromolecular material of a kind of electrostatic spray, high-voltage electrostatic spraying is utilized to eject the macromolecule micro-nano granules such as shitosan with electrostatic, effective absorption PM2.5 particle and play bactericidal action, reaches the effect purified air.
To achieve these goals, the electrostatic spray that the present invention relates to eliminates the device of PM2.5 particle, and its agent structure comprises liquid reserve tank, woven hose socket, woven hose, high-pressure pump, inlet, instrument board, liquid outlet, power switch, pressure adjustment knob, air pump, gas flow rate display screen, gas flow modulation knob, air pump switch, tracheae socket, HV generator, voltage-regulation knob, voltage display screen, wire socket, high-voltage electric switch, wire, airflow duct, handle, insulating plug, metal capillary, shower nozzle and jet pipe; Be used for storage case water solution liquid reserve tank upper side in the middle part of be provided with the woven hose socket of grafting woven hose one end; The other end of woven hose is communicated with shower nozzle, and the middle part concatenation type of woven hose is connected with the high-pressure pump as controlling solution output device; The parts realizing spraying function comprise handle, jet pipe and shower nozzle, are provided with the metal capillary of hollow in jet pipe, and jet pipe rear portion is provided with insulating plug, insulating plug are provided with the docking outlet structure of woven hose, make that woven hose and metal capillary are accessible to be connected; The gas channel formed between jet pipe with metal capillary is communicated with handle and is connected with airflow duct by handle; Metal capillary is connected with HV generator by wire; Two ends, high-pressure pump left and right are respectively arranged with inlet and liquid outlet, and inlet place is provided with the instrument board for display pressure and flow velocity; High-pressure pump leading flank lower right corner place is provided with power switch, inlet is shaped with the pressure adjustment knob for controlling hydraulic pressure and flow velocity; HV generator is respectively arranged with high-voltage electric switch, be used for control voltage size voltage-regulation knob and be used for showing the voltage display screen of magnitude of voltage of HV generator; HV generator is also provided with the wire socket of drawing high-voltage power cathode, the positive pole of HV generator is connected with wire socket, the minus earth of HV generator; Air pump and HV generator up-down structure are fixed as one, and air pump are respectively arranged with the air pump switch controlling power supply, the tracheae socket being used for grafting airflow duct, are used for controlling the gas flow modulation knob of air-flow size and are used for showing the gas flow rate display screen of air-flow size.
The electrostatic spray that the present invention relates to eliminates the device of PM2.5 particle, and its method realizing removing PM2.5 particle comprises the following steps:
(1) preparation of EFI solution: be dissolved in by 5 grams of water-soluble carboxymethyl shitosans in 95 grams of water, namely magnetic agitation obtains transparent chitosan aqueous solution after a hour for subsequent use;
(2) electrostatic spray shitosan micro-nano granules: the chitosan aqueous solution that step (1) obtains is placed in liquid reserve tank, opens the power switch on high-pressure pump, the flow velocity regulating the aqueous solution to be pumped by high-pressure pump is 1-6 liter/min; Open the high-voltage electric switch on HV generator, regulation output voltage is 5-30 kilovolt; Then open air pump and regulate air-flow velocity to be 10 liters/min; Spraying starts;
(3) PM2.5 particle is adsorbed: through step (1) and (2), shitosan is atomized into the shitosan micro-nano granules that particle diameter is the static electrification of 300-1000 nanometer, be ejected into the place that PM2.5 particle is concentrated, the shitosan micro-nano granules of static electrification produces absorption agglomeration to PM2.5 particle, and its adsorption efficiency is that 1 gram of shitosan micro-nano granules can adsorb 15-20 gram of PM2.5 particle; Shitosan also will play bactericidal action to PM2.5 particle simultaneously, and reuniting when the particle of PM2.5 after absorption becomes greatly, and automatic sedimentation is to ground or be collected in the container of other device, and the collection type realizing PM2.5 particle is eliminated.Apparatus of the present invention, according to the difference of application scenario, can control the distance of spraying and height by the pump speed of adjustment high-pressure hydraulic pump and air-flow size, realize multi-field, extensive except micronic dust effect.
The present invention compared with prior art, one be adopt spray solution be the water-soluble polymers such as shitosan, sodium alginate (also comprising the micro-nano granules aqueous solution of these materials), can form the micro-nano granules such as shitosan, sodium alginate after spraying, shitosan and sodium alginate possess natural bactericidal action and good adsorption function; Two is the settings due to high-pressure hydraulic pump and air pump, can realize remote directed spraying, and precisely cancel job is carried out among a small circle in the specific region can concentrated PM2.5 particle; Its apparatus structure arranges rationally, and principle is reliable, uses easy and simple to handle, and eliminate micronic dust effective, cost is low, multiple functional, environmental friendliness.
Accompanying drawing illustrates:
Fig. 1 is the structural principle schematic diagram of apparatus of the present invention.
Detailed description of the invention:
The present invention to be described in further detail by embodiment below in conjunction with accompanying drawing.
Embodiment 1:
The electrostatic spray that the present embodiment relates to eliminates the device of PM2.5 particle, its agent structure comprises liquid reserve tank 1, woven hose socket 2, woven hose 3, high-pressure pump 4, inlet 5, instrument board 6, liquid outlet 7, power switch 8, pressure adjustment knob 9, air pump 10, gas flow rate display screen 11, gas flow modulation knob 12, air pump switch 13, tracheae socket 14, HV generator 15, voltage-regulation knob 16, voltage display screen 17, wire socket 18, high-voltage electric switch 19, wire 20, airflow duct 21, handle 22, insulating plug 23, metal capillary 24, shower nozzle 25 and jet pipe 26, be used for storage case water solution liquid reserve tank 1 upper side in the middle part of be provided with the woven hose socket 2 of grafting woven hose 3 one end, the other end of woven hose 3 is communicated with shower nozzle 25, and the middle part concatenation type of woven hose 3 is connected with the high-pressure pump 4 as controlling solution output device, the parts realizing spraying function comprise handle 22, jet pipe 26 and shower nozzle 25, the metal capillary 24 of hollow is provided with in jet pipe 26, jet pipe 26 rear portion is provided with insulating plug 23, insulating plug 23 is provided with the docking outlet structure of woven hose 3, and woven hose 3 is connected with metal capillary 24 is accessible, the gas channel formed between jet pipe 26 with metal capillary 24 is communicated with handle 22 and is connected with airflow duct 21 by handle 22, metal capillary 24 is connected with HV generator 15 by wire 20, high-pressure pump about 4 two ends are respectively arranged with inlet 5 and liquid outlet 7, and inlet 5 place is provided with the instrument board 6 for display pressure and flow velocity, high-pressure pump 4 leading flank lower right corner place is provided with power switch 8, inlet 5 is shaped with the pressure adjustment knob 9 for controlling hydraulic pressure and flow velocity, HV generator 15 is respectively arranged with high-voltage electric switch 19, be used for control voltage size voltage-regulation knob 16 and be used for showing the voltage display screen 17 of magnitude of voltage of HV generator 15, HV generator 15 is also provided with the wire socket 18 of drawing high-voltage power cathode, the positive pole of HV generator 15 is connected with wire socket 18, the minus earth of HV generator 15, air pump 10 and HV generator 15 up-down structure are fixed as one, and air pump 10 are respectively arranged with the air pump switch 13 controlling power supply, the tracheae socket 14 being used for grafting airflow duct 21, are used for controlling the gas flow modulation knob 12 of air-flow size and are used for showing the gas flow rate display screen 11 of air-flow size.
The woven hose 3 that the present embodiment relates to is polytetrafluorethyletubular tubular material; Airflow duct 21 is the airflow duct structure of silica gel material, and metal capillary 23 is the capillary pipe structure of the stainless steel material of internal diameter 0.5 millimeter.
Embodiment 2:
The device that the present embodiment utilizes embodiment 1 to provide, becomes micro-nano granules by chitosan aqueous solution (also comprising the shitosan micro-nano granules aqueous solution, powder etc.) electrostatic spray, and to PM2.5 particle carry out adsorb reunite method comprise the following steps:
(1) preparation of EFI solution: be dissolved in by 5 grams of water-soluble carboxymethyl shitosans in 95 grams of water, namely magnetic agitation obtains transparent chitosan aqueous solution after a hour for subsequent use;
(2) electrostatic spray shitosan micro-nano granules: the chitosan aqueous solution that step (1) obtains be placed in liquid reserve tank 1, opens the power switch 8 on high-pressure pump 4, and the flow velocity regulating the aqueous solution to be pumped by high-pressure pump 4 is 1-6 liter/min; Open the high-voltage electric switch 19 on HV generator 15, regulation output voltage is 5-30 kilovolt; Then open air pump 10 and regulate air-flow velocity to be 10 liters/min; Spraying starts;
(3) PM2.5 particle is adsorbed: through step (1) and (2), shitosan is atomized into the micro-nano granules of static electrification, its particle diameter is in 300-1000 nanometer, when be ejected into PM2.5 particle concentrate local time, the shitosan micro-nano granules of static electrification produces very strong absorption agglomeration to PM2.5 particle, its adsorption efficiency is that 1 gram of shitosan micro-nano granules can adsorb 15-20 gram of PM2.5 particle, shitosan also will play bactericidal action to PM2.5 particle simultaneously, reunite when the particle of PM2.5 after absorption and become greatly, automatic sedimentation is to ground or be collected in the container of other device, the collection type realizing PM2.5 particle is eliminated.
The appearance liquid of the electrostatic spray that the present embodiment uses comprises the aqueous solution of shitosan, chitin, sodium alginate, PLA, polyglycolic acid, polycaprolactone, hyaluronic acid, cellulose, gelatin, collagen and fibroin albumen, or comprise the solution of aliphatic polyester, polyester ether, poly phosphazene, poe, Merlon, condensing model and polyaminoacid, or comprise the modified derivant material of above-mentioned material and composite; Electrostatic spray material except water-soluble solution, or comprises the solution of other solvents, and the micro-nano particle solution of above-mentioned material and powder.
Claims (2)
1. electrostatic spray eliminates the device that can enter lung particle, it is characterized in that agent structure comprises liquid reserve tank, woven hose socket, woven hose, high-pressure pump, inlet, instrument board, liquid outlet, power switch, pressure adjustment knob, air pump, gas flow rate display screen, gas flow modulation knob, air pump switch, tracheae socket, HV generator, voltage-regulation knob, voltage display screen, wire socket, high-voltage electric switch, wire, airflow duct, handle, insulating plug, metal capillary, shower nozzle and jet pipe; Be used for storage case water solution liquid reserve tank upper side in the middle part of be provided with the woven hose socket of grafting woven hose one end; The other end of woven hose is communicated with shower nozzle, and the middle part concatenation type of woven hose is connected with the high-pressure pump as controlling solution output device; The parts realizing spraying function comprise handle, jet pipe and shower nozzle, are provided with the metal capillary of hollow in jet pipe, and jet pipe rear portion is provided with insulating plug, insulating plug are provided with the docking outlet structure of woven hose, make that woven hose and metal capillary are accessible to be connected; The gas channel formed between jet pipe with metal capillary is communicated with handle and is connected with airflow duct by handle; Metal capillary is connected with HV generator by wire; Two ends, high-pressure pump left and right are respectively arranged with inlet and liquid outlet, and inlet place is provided with the instrument board for display pressure and flow velocity; High-pressure pump leading flank lower right corner place is provided with power switch, inlet is shaped with the pressure adjustment knob for controlling hydraulic pressure and flow velocity; HV generator is respectively arranged with high-voltage electric switch, be used for control voltage size voltage-regulation knob and be used for showing the voltage display screen of magnitude of voltage of HV generator; HV generator is also provided with the wire socket of drawing high-voltage power cathode, the positive pole of HV generator is connected with wire socket, the minus earth of HV generator; Air pump and HV generator up-down structure are fixed as one, and air pump are respectively arranged with the air pump switch controlling power supply, the tracheae socket being used for grafting airflow duct, are used for controlling the gas flow modulation knob of air-flow size and are used for showing the gas flow rate display screen of air-flow size.
2. use the device described in claim 1 to realize electrostatic spray and eliminate the method that can enter lung particle, it is characterized in that comprising the following steps:
(1) preparation of EFI solution: be dissolved in by 5 grams of water-soluble carboxymethyl shitosans in 95 grams of water, namely magnetic agitation obtains transparent chitosan aqueous solution after a hour for subsequent use;
(2) electrostatic spray shitosan micro-nano granules: the chitosan aqueous solution that step (1) obtains is placed in liquid reserve tank, opens the power switch on high-pressure pump, the flow velocity regulating the aqueous solution to be pumped by high-pressure pump is 1-6 liter/min; Open the high-voltage electric switch on HV generator, regulation output voltage is 5-30 kilovolt; Then open air pump and regulate air-flow velocity to be 10 liters/min; Spraying starts;
(3) absorption can enter lung particle: through step (1) and (2), shitosan is atomized into the shitosan micro-nano granules that particle diameter is the static electrification of 300-1000 nanometer, be ejected into the place that can enter lung particle and concentrate, the shitosan micro-nano granules of static electrification produces absorption agglomeration to entering lung particle, and its adsorption efficiency is that 1 gram of shitosan micro-nano granules can adsorb 15-20 gram and can enter lung particle; Shitosan also will play bactericidal action to entering lung particle simultaneously, and become greatly when entering the reunion of lung particle after absorption, automatic sedimentation is to ground or be collected in the container of other device, and the collection type realizing entering lung particle is eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560206.XA CN104259003A (en) | 2014-10-21 | 2014-10-21 | Device for eliminating respirable particles by electrostatic spraying |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410560206.XA CN104259003A (en) | 2014-10-21 | 2014-10-21 | Device for eliminating respirable particles by electrostatic spraying |
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| CN104259003A true CN104259003A (en) | 2015-01-07 |
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| CN201410560206.XA Pending CN104259003A (en) | 2014-10-21 | 2014-10-21 | Device for eliminating respirable particles by electrostatic spraying |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403633A (en) * | 2014-11-24 | 2015-03-11 | 中国科学院海洋研究所 | Application of sodium alginate |
| KR20190046068A (en) * | 2017-10-25 | 2019-05-07 | 주식회사 센트리 | Pollutant treating apparatus using electrospray |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004105958A1 (en) * | 2003-05-27 | 2004-12-09 | Matsushita Electric Works, Ltd. | Charged water particle, and method for creating environment where mist of charged water particle is dispersed |
| CN1916054A (en) * | 2006-08-25 | 2007-02-21 | 中国科学院长春应用化学研究所 | Method for preparing electrostatic spray of micro and Nano particles of polymer |
| CN1935384A (en) * | 2005-09-20 | 2007-03-28 | 深圳市豪恩电声科技有限公司 | Electrostatic fog remover and electro static fog-removing method |
| CN103043767A (en) * | 2013-01-21 | 2013-04-17 | 深圳市深港产学研环保工程技术股份有限公司 | Environment-friendly biological composite wastewater treatment agent with chitosan as primary constituent |
| CN103611206A (en) * | 2013-11-20 | 2014-03-05 | 龙云泽 | Airflow-guide-type directional in-situ electrostatic spraying device |
| CN104084329A (en) * | 2014-07-16 | 2014-10-08 | 青岛大学 | AB glue dispensing device based on electrostatic spraying principle |
-
2014
- 2014-10-21 CN CN201410560206.XA patent/CN104259003A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004105958A1 (en) * | 2003-05-27 | 2004-12-09 | Matsushita Electric Works, Ltd. | Charged water particle, and method for creating environment where mist of charged water particle is dispersed |
| CN1935384A (en) * | 2005-09-20 | 2007-03-28 | 深圳市豪恩电声科技有限公司 | Electrostatic fog remover and electro static fog-removing method |
| CN1916054A (en) * | 2006-08-25 | 2007-02-21 | 中国科学院长春应用化学研究所 | Method for preparing electrostatic spray of micro and Nano particles of polymer |
| CN103043767A (en) * | 2013-01-21 | 2013-04-17 | 深圳市深港产学研环保工程技术股份有限公司 | Environment-friendly biological composite wastewater treatment agent with chitosan as primary constituent |
| CN103611206A (en) * | 2013-11-20 | 2014-03-05 | 龙云泽 | Airflow-guide-type directional in-situ electrostatic spraying device |
| CN104084329A (en) * | 2014-07-16 | 2014-10-08 | 青岛大学 | AB glue dispensing device based on electrostatic spraying principle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403633A (en) * | 2014-11-24 | 2015-03-11 | 中国科学院海洋研究所 | Application of sodium alginate |
| KR20190046068A (en) * | 2017-10-25 | 2019-05-07 | 주식회사 센트리 | Pollutant treating apparatus using electrospray |
| KR102024774B1 (en) | 2017-10-25 | 2019-09-25 | 주식회사 센트리 | Pollutant treating apparatus using electrospray |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Long Yunze Inventor after: Zhao Hui Inventor after: Zhang Baosheng Inventor after: Yan Xu Inventor after: Han Wenpeng Inventor after: Qin Chongchong Inventor after: Dong Ruihua Inventor after: Zhang Hongdi Inventor after: Zhang Juncheng Inventor after: Lin Dapeng Inventor after: Sheng Chenhao Inventor before: Long Yunze Inventor before: Zhao Hui Inventor before: Zhang Baosheng Inventor before: Yan Xu Inventor before: Han Wenpeng Inventor before: Qin Chongchong Inventor before: Dong Ruihua Inventor before: Zhang Hongdi Inventor before: Zhang Juncheng Inventor before: Lin Dapeng Inventor before: Sheng Chenhao |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |