Aerosol particle matter size-based collection device and method

[0039]Example 1

[0040]Such asfigure 1 As shown, an aerosol particulate material size collecting device, including,

[0041]The intake pipe 1 provided in horizontal is introduced from the intake pipe 1;

[0042]Such asfigure 2 As shown, the dryer 2 that is tilted on the plane is tubular, and the lower end of the dryer 2 is connected to the intake pipe 1, and the drying resistance wire 3, which is a dry heating resistance of the air, heating The resistance wire 3 is electrically connected to an external power source, and the heating resistor wire 3 is arranged in the drying of the dryer 2, and the particulate method of collecting the dryer 2 according to the above-described structure is: drying by shaking The device 2 is removed from the particles attached to the inner wall of the dryer 2 in the collecting vessel; further, a polyethylene film is attached to the inner wall of the dryer 2, and the side of the dryer 2 is disposed on one side of the plane is depressed. A collecting groove 4, the gas-absorbed gas substrate introduced into the dryer 2 will condense a portion of the aerosol particles in the process of heat evaporation, and the condensed aerosol particles are pulled from the inner wall of the polyethylene film, gathered to the first collection tank 4. In the middle, the dryer 2 and the horizontal plane constitute a tilt angle of 30 ︒ to 15 ︒, a preferred angle is 15 ︒;

[0043]Such asimage 3 As shown, the ionization device 5 is connected to the upper end of the dryer 2, including the casing 6, and both ends of the box 6 respectively provide horizontal portions and outlets, and an incident slit 7 is provided at the inlet. The exit is provided with an exit slit 8. The ionization region 9 and the particle sieve region 10 are sequentially arranged in the casing 6, including the magnetic field 11 disposed at the inlet of the casing 6, and the two poles constituting the magnetic field 11 are arranged in the entrance. Above the plane, the magnetic field 11 is provided with an electrode plate 12, and when the dry aerosol particles pass through the magnetic field 11, the electrode plate 12 is separated from the negative ion in the aerosol particles, and the aerosol particles become a positive ionic charge. .

[0044]The electric field force 13 is disposed in the particle screening region 10, the electric field force of the electric field 13 corresponds to the gravity of the charged particles, and the charged particles are maintained horizontally in the particle sieving region 10, such as mass of mass. There are many positive charges that are positively charged, and the electric field power is balanced with its own gravity, such as the positive charge of the charged particles with less mass, and the electric field force is equilibrated with the own gravity; the electric field 13 is located in the mobile path The lower side is provided with a baffle 14, and the path is combined with the linear integral of the incident slit 7 and the exit slit 8, and preferably a baffle 14 is provided above and below the moving path of the charged particles, the baffle 14. The polyethylene film is attached, and the baffle 14 is used to block the movement of the electric particles, and the bottom of the baffle 14 is provided with a second collecting groove 15 for collecting non-electric particles.

[0045]Such asFigure 4 As shown in order to save energy, the present invention has further optimized the ionization device 5, and the specific protocol is as follows:

[0046]The electrode plate 12 is located at the negative electrode of the magnetic field 11, which is located at the positive electrode position of the magnetic field 11, and both ends of the wire 16 are electrically connected to both ends of the heating resistor wire 3 in the dryer 2, and when the dry aerosol particles are wearing At the end of the magnetic field 11, the electrode plate 12 separates the negative ions in the aerosol particles, and the negative ion is subjected to the current flow to the positive electrode direction, and the current flow into the wire 16, the wire 16 introduces the current into the dryer 2, the wire 16 is input to the dryer 2 A control circuit 17 is provided in the circuit of the heating resistor wire 3, and the control circuit 17 is connected in series with a fuse circuit and a voltage regulator circuit to ensure smooth and continuous input to the dryer 2. If the heating resistor wire 3 receives the current transmitted from the ionization device 5, the current supply of the external power supply can be stopped, and the technical effect of saving energy consumption is set.

[0047]The air pump 18 is connected to the ionization device 5 for boosting the aerosol discharged from the ionization device 5;

[0048]Such asFigure 5 As shown, the electrostatic field device 19 is connected to the air pump 18, including the housing 20 constituting the sealed space, the upper end or the lower end of the casing 20 is provided with an inlet of the gas sol, and the housing 20 is disposed of an electrostatic field 21. The electrostatic field 21 has a vertically upward electric field force in the housing 20, and the housing 20 is provided with a rotating shaft 22 through the electrostatic field 21 with respect to one end of the inlet, and the rotation shaft 22 is located in the electrostatic field 21. The blade 23, the housing 20 is located on the inner side wall of the electrostatic field 21, and a plurality of particle collection devices disposed by layer are mounted. ,

[0049]Such asFigure 6As shown, the structure of the collecting device is a tubular body 24, and the tube body 24 is disposed about a closed loop structure in the inner wall of the housing 20, and the tube body 24 and the housing 20 are provided with one end and tube of the mount 32. The body 24 is connected by the tube holder 33, and the other end of the mount 32 is connected to the housing 20 through the angle code and the screw fixing, and the tube body 24 is opened on the tube wall of the rotating shaft 22. The annular opening 25 provided in the circumferential direction is attached to the inner side wall of the tube body 24, and the third collection slot 26 is opened in the bottom of the tubular body 24;

[0050]Such asFigure 5 As shown, the housing 20 is provided in the inner ring of the tube body 24, which is provided with a sleeve 28 having a vertical arrangement of 0.9m to 1.12m sleeve 28. The telescopic rods of the two cylinders 29 are fixed to the side of the sleeve 28, and the sidewalls of the sleeve are provided with at least one vertical arrangement of prism 30, and the prism 30 and the side wall of the sleeve are welded, and the side wall The multilayer annular gap 31 is opened, and the multilayer annular notch 31 corresponds to the annular opening 25 on the tubular body 24.

[0051]Example 2

[0052]An aerosol particulate material size collection method, the specific steps are as follows:

[0053]Step 1, the aerosol (including solid or liquid particles) is introduced into the dryer 2 from the intake pipe 1;

[0054]Step 2, first, the dryer 2 is preheated 10s, and then introduced from the bottom of the dryer 2 to be tested, the gas sol is heated by the heating resistance wire 3 to heat the moisture in the liquid particles, and the liquid particles are condensed after evaporation. The solid particles, the condensed solid particles are attached to the inner wall of the dryer 2, and the dried aerosol is discharged from the top of the dryer 2;

[0055]Step 3, in the ionization device 5 obtained after the drying process, the ionization region 9 in the ionization device 5 is ionizing the particles of the dry gas sol, so that some particles are positively charged, dry aerosol into the particle sieving region 10 After that, the electric field 13 in the particle screening region 10 pair the electric field force in the electrical particles, and the gravity of the charged particles is equilibrated with the electric field force, so that the charged particles remain horizontally in the particle screening region 10 until Delivery ionization device 5, the non-charged particles in the dryer sol are gravity acts into a second-column groove located at the bottom of the particle sieving region 10;

[0056]Step 4, the charged particles exit the ionization device 5 and accelerate the discharge after compression by the air pump 18;

[0057]Step 5, the accelerated charged particles are sent to the electrostatic field device 19, and in a vertical electrostatic field 21, the electrostatic field 21 is a DC electric field, the electrostatic field 21 voltage ranges between 24V to 36V, preferred voltage Troune 24V, the rotational speed of the rotation shaft 22 is a low speed state of 200R / s. Under the action of vertical upward electric field power, the charged particles are suspended from the low to the high moisture by the size of the particle mass. In this process, the rotation shaft 22 maintains the low speed of 200R / s, waiting to be substantially fixed to the position of the charged particles, the rotation shaft 22 accelerates the high-speed rotation of 12000 R / S, driving through the blade 23 on the rotation shaft 22, The layer-by-layer charge particles are passed to a particle collection apparatus corresponding to the side portion of the electrostatic field 21; preferably if the sleeve 28 is provided, the gap and the particles in the control sleeve 28 are controlled when the rotation shaft 22 accelerates to 10000r / s. The inlet in the collecting device is coincident, allowing the particulate matter to enter the corresponding particle collection device;

[0058]Step 6, collecting the dryer 2, a collection slot, and a plurality of particles in a plurality of particle collecting devices, and then laser induction detection, respectively.