A kind of powdery paints recovery system
Technical field
The invention belongs to spraying equipment technical field, more particularly to a kind of powdery paints recovery system.
Background technology
Electrostatic powder coating technology is the new application techniques developed rapidly in recent years, and its feature is to save
The about recyclable recycling of energy non-pollution technology simplicity powder easily realizes automation, and attractive coat is beautiful, sturdy and durable,
As the new developing direction of paint industry.
In production process is sprayed, have powdery paints and be not painted on workpiece, it is necessary to which Powder Recovery equipment is carried out to it
Recycle, to reduce cost, improve economy, while prevent pollution of the powder to air.At present, the most powder in market
Coating reclaimer equipment by the effect of exhaust fan, the powder not being painted on workpiece be drawn into recovery chamber body and
Collect powder drawer, the powder supply powder-supply system of collection is subjected to secondary use by taking out powder system, and such a way of recycling is easily made
Excessive serious into powder during electrostatic powder coating, recovering effect is undesirable, or because the rupture of filter core causes row to the useless of outdoor
Contain substantial amounts of powder in gas, external environment is damaged, and the too small powder particle of particle diameter is difficult in spraying electricity
Electronics is adsorbed onto in and powered, so can not be adsorbed onto on workpiece, influences spray efficiency and coating quality.
The content of the invention
It is an object of the invention to provide one kind can be dried recovery using powdery paints, and by disabled big
Grain powdery paints caking and the too small powder of particle diameter are separated and collected respectively, and recovery utilization rate is high, no exhaust emission
Powdery paints recovery system.
The present invention is achieved in that a kind of powdery paints recovery system, including head end air-introduced machine, the head end air-introduced machine
Outlet air end be communicated with spiral vibration sieve, the dust outlet of the spiral vibration sieve is communicated with powder air-introduced machine, and the powder draws
The outlet air end of blower fan is communicated with the first air heater, and the output end of first air heater is communicated with circulation whirlwind point
From device, the air output end of the circulation whirlwind separator is communicated with deduster, the pure air output end of the deduster
It is communicated with end air-introduced machine;
The spiral vibration sieve includes housing, and the vertically arranged spiral screen material helically extended is provided with the housing
Pipe, the charging aperture of the spiral screen expects pipe are connected with the outlet air end of the head end air-introduced machine, and the lower outside of the housing is set
There is remaining caking outlet, the remaining caking outlet is connected with the pipe outlet of the spiral screen expects pipe, under the housing
Hold the dust outlet set for back taper;
The sieve material section of the spiral screen expects pipe is flat tubular construction, and the lower tube wall of the spiral screen expects pipe is powder sieve,
It is provided with just aweather supervisor and reverse wind supervisor in the housing, it is described that some just aweather manifolds, institute are just aweather being communicated with supervisor
State just that aweather the outlet air end of manifold is arranged on the upper tube wall of the spiral screen expects pipe and connected with the spiral screen expects pipe, it is described
Some reversely wind manifolds are communicated with reverse wind supervisor, the outlet air end of the reversely wind manifold is arranged in the powder sieve simultaneously
It is connected with the spiral screen expects pipe;
The forward direction that aweather supervisor and the air intake that wind is responsible for described reversely are respectively communicated with two five-way electromagnetic valves described just goes out
Stomata and reverse venthole, the inlet end of two five-way electromagnetic valves are communicated with clean air fan, the pure air
The air intake of air blower is communicated with air dehumidifier, and the inlet end of the air dehumidifier is communicated with air cleaner, the sky
The inlet end connection ambient atmosphere of air filter.
As an improvement scheme, synchronous spiral and the powder being wholely set are provided with below the spiral screen expects pipe
Last spiral stream guidance pipe, it is connected between the powder spiral mozzle and the spiral screen expects pipe by the powder sieve, institute
The upper end closed of powder spiral mozzle is stated, the lower end of the powder spiral mozzle is connected with the dust outlet.
As an improvement scheme, the inwall of the upper tube wall of the spiral screen expects pipe is provided with some broken material teeth.
As an improvement scheme, the pipeline between the head end air-introduced machine and the spiral vibration sieve is provided with powder
Filter, the Powdex filter is interior to be provided with powder filter net;
Transverse tube and vertical tube, the import of the transverse tube and the air-out of the head end air-introduced machine are additionally provided with the Powdex filter
End is connected, and the outlet of the transverse tube is connected with the air intake of the powder air-introduced machine, the upper end of the vertical tube and the horizontal stroke
Pipe is connected, and the lower end of the vertical tube is connected with the charging aperture of the spiral screen expects pipe, and the powder filter net is positioned at described
Transverse tube and the terminus inner of the vertical tube joint portion.
As an improvement scheme, the pipeline between the clean air fan and the spiral vibration sieve is provided with
Second air heater.
As an improvement scheme, pipeline between the head end air-introduced machine and the Powdex filter is provided with the 3rd
Air heater.
As an improvement scheme, the remaining caking exit is provided with remaining caking collecting box, the remaining caking
Collecting box is enclosed construction and is provided with observation window, and the charging aperture of the remaining caking collecting box lumps with the remnants
The pipeline connected between mouthful is provided with the first control valve;
The bottom of the remaining caking collecting box is provided with circulation air inlet, and the circulation air inlet rouses with the pure air
The outlet air end of blower fan is connected, and its pipeline is provided with the second control valve;
The top of the remaining caking collecting box is provided with circulation discharging opening, the circulation discharging opening and the spiral screen expects pipe
Charging aperture be connected.
As an improvement scheme, the discharge end of the circulation whirlwind separator is provided with the powder that back taper is set and applies
Expect collector, the lower end of the powder paint collectors is provided with discharge valve;
The top of the powder paint collectors is provided with discharging air inlet, and the discharging air inlet rouses with the pure air
The outlet air end of blower fan is connected, and its pipeline is provided with the 3rd control valve.
As an improvement scheme, is provided with vibratory sieve Temperature Humidity Sensor in the housing.
As an improvement scheme, is provided with collector Temperature Humidity Sensor in the powder paint collectors.
Powdery paints recovery system provided by the invention, because its outlet air end in head end air-introduced machine is provided with spiral vibrating
Sieve so that it is in flat that the powdery paints and the mixture of air extracted out by head end air-introduced machine from spray painting room, which enter in spiral vibration sieve,
In the spiral screen expects pipe of flat tubular construction, during spiral is descending, powdery paints caking shock spiral shell under the blowing of reverse wind
The upper tube wall of rotation sieve expects pipe is crushed, and granular size meets the powdery paints of screening condition and passes through powder under blowing just aweather
Last screen cloth sifts out spiral screen expects pipe and enters enclosure interior, i.e., under positive and negative alternating air blast effect aweather, in spiral screen expects pipe
Powdery paints caking constantly carries out up-down vibration during descending and crushed, and does not meet the powdery paints caking of screening condition
With some large granular impurities then by remaining caking outlet discharge, the powder coating particles for meeting screening condition are then sieved into shell
Internal portion, and be introduced into by dust outlet by powder air-introduced machine in the first air heater, circulation type is entered after heat drying
Cyclone separator, after the processing of circulation whirlwind separator, recyclable powder coating particles are by centralized recovery, diameter
Too small not recyclable powder coating particles then enter deduster with air, and are collected by deduster, treated clean
Net air is then discharged into ambient atmosphere by end air-introduced machine.
Powdery paints recovery system provided by the invention, recovery can be dried using powdery paints, recycle
Rate is high, and unavailable powdery paints caking and the too small powdery paints of particle diameter respectively are isolated by coming and collected, and is discharged
Gas without powdery paints remain, no exhaust emission.
Brief description of the drawings
Fig. 1 is the structural representation of powdery paints recovery system provided in an embodiment of the present invention;
Fig. 2 is the structural representation section view of spiral screen expects pipe provided in an embodiment of the present invention and powder spiral mozzle combination
Figure;
Fig. 3 is the internal structure schematic diagram of Powdex filter provided in an embodiment of the present invention;
Wherein:1- head end air-introduced machines, 2- spiral vibration sieves, 21- housings, 211 remaining caking outlets, 212- dust outlets,
22- spiral screen expects pipes, 221- powder sieves, the broken material teeth of 222-, 23- are just aweather responsible for, 231- just aweather manifolds, the reverse wind of 24-
Supervisor, the reverse wind manifolds of 241-, two five-way electromagnetic valves of 25-, 26- powder spiral mozzles, the remaining caking collecting boxs of 27-,
The control valves of 271- first, 272- circulation air inlets, the control valves of 273- second, 274- circulation discharging openings, 3- powder air-introduced machines,
The air heaters of 4- first, 5- circulation whirlwind separators, 6- dedusters, 7- ends air-introduced machine, 8- pure air air-introduced machines, 9-
Air dehumidifier, 10- air cleaners, 11- Powdex filters, 111- powder filter nets, 112- transverse tubes, 113- vertical tubes, 12-
Two air heaters, the air heaters of 13- the 3rd, 14- powder paint collectors, 141- discharge valves, 142- discharging air inlets,
The control valves of 143- the 3rd.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the structural representation of powdery paints recovery system provided in an embodiment of the present invention, for convenience of description,
This figure only provides the structure division relevant with the present invention.Wherein, arrow is oriented to the flow direction of air.
Powdery paints recovery system includes head end air-introduced machine 1, and the outlet air end of head end air-introduced machine 1 is communicated with spiral vibration sieve 2,
The dust outlet 212 of spiral vibration sieve 2 is communicated with powder air-introduced machine 3, and the outlet air end of powder air-introduced machine 3 is communicated with the first air and added
Hot device 4, the output end of the first air heater 4 are communicated with circulation whirlwind separator 5, the air of circulation whirlwind separator 5
Output end is communicated with deduster 6, and the pure air output end of deduster 6 is communicated with end air-introduced machine 7;
Spiral vibration sieve 2 includes housing 21, and the vertically arranged spiral screen expects pipe 22 helically extended is provided with housing 21,
The charging aperture of spiral screen expects pipe 22 is connected with the outlet air end of head end air-introduced machine 1, and the lower outside of housing 21 is provided with remaining lump
Outlet 211, remnants cakings outlet 211 are connected with the pipe outlet of spiral screen expects pipe 22, and the lower end of housing 21 sets for back taper
The dust outlet 212 put;
As shown in Fig. 2 the sieve material section of spiral screen expects pipe 22 is flat tubular construction, the lower tube wall of spiral screen expects pipe 22 is powder
Screen cloth 221, just aweather supervisor 23 and reverse wind supervisor 24 are provided with housing 21, be just aweather communicated with supervisor 23 it is some just aweather
Manifold 231, just aweather the outlet air end of manifold 231 is arranged on the upper tube wall of spiral screen expects pipe 22 and connected with spiral screen expects pipe 22
It is logical, some reversely wind manifolds 241 are communicated with reverse wind supervisor 24, the outlet air end of reverse wind manifold 241 is arranged at spiral screen material
Connected in the powder sieve 221 of pipe 22 and with spiral screen expects pipe 22;
Just aweather the air intake of supervisor 23 and reverse wind supervisor 24 are respectively communicated with the positive outlet of two five-way electromagnetic valves 25
Hole and reverse venthole, the inlet end of two five-way electromagnetic valves 25 are communicated with clean air fan 8, clean air fan 8
Air intake be communicated with air dehumidifier 9, the inlet end of air dehumidifier 9 is communicated with air cleaner 10, air cleaner 10
Inlet end connection ambient atmosphere.
After said structure, the powdery paints and the mixture of air extracted out by head end air-introduced machine 1 from spray painting room enter
In spiral screen expects pipe 22 in spiral vibration sieve 2, during spiral is descending, powdery paints lumps under the blowing of reverse wind
The upper tube wall for hitting spiral screen expects pipe is crushed, and using the spiral screen expects pipe 22 in flat tubular construction, then can expand powder painting
The diffusional area of material, it can also reduce powdery paints caking and blow the lower impact distance hit to spiral screen expects pipe 22 in reverse wind,
Ensure to hit crushing effect, granular size meets the powdery paints of screening condition and passes through powder sieve under blowing just aweather
221, which sift out spiral screen expects pipe 22, enters inside housing 21, i.e., under positive and negative alternating air blast effect aweather, in spiral screen expects pipe 22
Interior powdery paints caking constantly carries out up-down vibration during descending and crushed, and does not meet the powdery paints knot of screening condition
Block and some large granular impurities then export 211 discharges by remaining caking, and the powder coating particles for meeting screening condition then sieve
It is introduced into inside housing 21, and by dust outlet 212 by powder air-introduced machine 3 in the first air heater 4, by heat drying
Enter circulation whirlwind separator 5 afterwards, pressure drop is low, enlarge-effect is small, separative efficiency because circulation whirlwind separator 5 has
High, the characteristics of operating flexibility is big and operational stability is good, so herein can be rapidly and efficiently from circulation whirlwind separator 5
The powder coating particles of recoverable are separated simultaneously centralized recovery by ground, and the too small not recyclable powder of diameter applies
Material particle then enters deduster 6 with air, and is collected by deduster 6, and treated pure air is then by the row of end air-introduced machine 7
Enter ambient atmosphere.
Synchronous spiral and the powder spiral mozzle 26 being wholely set, powder are provided with below spiral screen expects pipe 22
It is connected between spiral stream guidance pipe 26 and spiral screen expects pipe 22 by powder sieve 221, the upper end seal of powder spiral mozzle 26
Close, the lower end of powder spiral mozzle 26 is connected with dust outlet 212, and to obtain, preferably reversely wind blows effect, can make
Reverse wind manifold 241 passes through powder spiral mozzle 26.After said structure, the powder coating particles in spiral screen expects pipe 22
During spiral is descending, the particle for meeting screening condition sieves under air blast effect just aweather by powder sieve 221
Into powder spiral mozzle 26, then entered under the sucking action of powder air-introduced machine 3 in first air heater 4,
During this, the negative pressure in powder spiral mozzle 26 is big, and air velocity is fast, air draught positive effect, can effectively prevent powder
Grain adheres in the inwall of powder spiral mozzle 26.
Some broken material teeth 222 are provided with the inwall of the upper tube wall of spiral screen expects pipe 22, then can further improve powder knot
The crushing effect of block, improve the recovery utilization rate of powdery paints.
As shown in figure 3, the pipeline between head end air-introduced machine 1 and spiral vibration sieve 2 is provided with Powdex filter 11, powder mistake
Powder filter net 111 is provided with filter 11;
11 are additionally provided with transverse tube 112 and vertical tube 113, the import of transverse tube 112 and the air-out of head end air-introduced machine 1 in Powdex filter
End is connected, and the outlet of transverse tube 112 is connected with the air intake of powder air-introduced machine 3, and the upper end of vertical tube 113 is connected with transverse tube 112
Logical, the lower end of vertical tube 113 is connected with the charging aperture of spiral screen expects pipe 22, powder filter net, and 111 in transverse tube 112 and vertical tube 113
The terminus inner of joint portion.
The powder particle that can then head end air-introduced machine 1 be attracted to come by setting Powdex filter 11 is tentatively filtered, and will be met
The powder particle of filter condition, which filters out, to be introduced directly into the first air heater 4, the powder particle and powder being relatively large in diameter
Caking, which then enters, carries out swing crushing screening in spiral vibration sieve 2, so can then reduce the live load of spiral vibration sieve 2, carry
The crushing effect and screening efficiency of high spiral vibration sieve 2, while can also improve the organic efficiency of powdery paints.
The second air heater 12 is provided with pipeline between clean air fan 8 and spiral vibration sieve 2, then can be made
Powder particle in spiral screen expects pipe 22 be subjected to it is positive and negative aweather alternately blow during heat drying, contribute to powder agglomates
It is broken, can also reduce air drag, prevent powder particle in spiral screen expects pipe 22 and the inwall of powder spiral mozzle 26
On carry out deposition attachment, be easy to the quick screening of powder particle and descending.
The 3rd air heater 13 is provided with pipeline between head end air-introduced machine 1 and Powdex filter 11, then can be to powder
The mixture of last particle and air carries out preliminary heat drying, is easy to filtering of the powder particle in Powdex filter 11, reduces
Air drag, prevent powder particle from carrying out deposition attachment in Powdex filter 11.
Be provided with remaining caking collecting box 27 at remnants cakings outlet 211, remnants caking collecting boxs 27 be enclosed construction simultaneously
And observation window is provided with, the pipeline connected between the charging aperture of remnants caking collecting boxs 27 and remaining caking outlet 211 is provided with the
One control valve 271;
The bottom of remnants caking collecting boxs 27 is provided with circulation air inlet 272, circulates air inlet 272 and clean air fan
8 outlet air end is connected, and its pipeline is provided with the second control valve 273;
The top of remnants caking collecting boxs 27 is provided with circulation discharging opening 274, circulation discharging opening 274 and spiral screen expects pipe 22
Charging aperture is connected.
After said structure, then it can be easy to staff according to the remaining knot of powder collected in remaining caking collecting box 27
The purity situation of block judged, for there is the remaining caking of recovery value then by opening the first control valve 271 and the
Two control valves 273, it is recycled into spiral screen expects pipe 22 and carry out crushing and screening again, do not have recovery valency for purity is relatively low
The remaining caking of value is then handled as waste recovery.
The powder paint collectors 14 of back taper setting, powdery paints are provided with the discharge end of circulation whirlwind separator 5
The lower end of collector 14 is provided with discharge valve 141;
The top of powder paint collectors 14 is provided with discharging air inlet 142, discharging air inlet 142 and clean air fan
8 outlet air end is connected, and its pipeline is provided with the 3rd control valve 143.
After said structure, it is easy to the centralized recovery of powder earth material particle, when the powdery paints of recovery reaches a certain amount of
When needing recovery storage, then the 3rd control valve 143 can be opened, powdery paints is rapidly entered recovery storage device, reduces it
With the time of contact of outside air, prevent it from making moist or being polluted by the impurity in air, enter ambient atmosphere prevented also from it
Pollute environment.
Be provided with vibratory sieve Temperature Humidity Sensor (not shown) in housing 21, then can effective monitoring spiral vibration sieve 2
Interior humiture situation, and according to circumstances adjust the relevant operating parameter of spiral vibration sieve 2, it is ensured that its operating efficiency.
Collector Temperature Humidity Sensor (not shown) is provided with powder paint collectors 14, then can be easy to work people
Member monitors the humiture situation of reclaimed powdery paints in real time, and according to circumstances adjusts related in the powdery paints recovery system
The running parameter of equipment, it is ensured that the powder coating particles of recovery are dry, disperse not lump.
Powdery paints recovery system provided by the invention, recovery can be dried using powdery paints, recycle
Rate is high, and unavailable powdery paints caking and the too small powdery paints of particle diameter respectively are isolated by coming and collected, and is discharged
Gas without powdery paints remain, no exhaust emission.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.