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CN-121971927-A - Air purification treatment device for automatic pyramid coating processing

CN121971927ACN 121971927 ACN121971927 ACN 121971927ACN-121971927-A

Abstract

The invention relates to the technical field of air purification equipment, and discloses an air purification treatment device for automatic pyramid coating processing, which comprises a shell and an internal purification runner, wherein the purification runner comprises an air inlet cover without dead angles, a coaxial nested coarse-effect and fine-effect filtering assembly, a color screening assembly, a power assembly and an air outlet cover, and also comprises control pieces of four built-in co-modules of multi-parameter acquisition and signal pretreatment. The intelligent closed-loop control type dust collector has the advantages that the collection rate of waste gas and the interception effect of particulate matters are improved through the 360-degree air inlet and nested filtering structure, the colored pollutant removal is enhanced through cooperation with the color screening assembly, the state of the filter element is accurately monitored by means of intelligent closed-loop control, the operation parameters are dynamically adjusted, the purification efficiency and the energy consumption are balanced, the modularized detachable design is convenient to maintain, the parameters can be flexibly adjusted and adapted to multiple scenes, and the problems that the air inlet of an existing device is incomplete, the purification effect is poor, the intelligent is insufficient and the like are effectively solved.

Inventors

  • ZHENG ZHENYING
  • WU FENG
  • BAO JIAYAN

Assignees

  • 中科赫为电磁科技(江苏)有限公司

Dates

Publication Date
20260505
Application Date
20260203

Claims (9)

  1. 1. An air purifying treatment device for automatic coating processing of pyramids is characterized by comprising a shell (1) and a purifying runner arranged in the shell; The purifying flow passage comprises an air inlet cover (2) which is positioned below the shell (1) and is used for 360-degree dead-angle-free air inlet, a coarse-effect filtering component (3) and a fine-effect filtering component (4) which are sequentially arranged along the air flow direction, a color screening component (5), a power component (6) and an air outlet cover (7) which is positioned at the top of the shell (1); The color screening component (5) is arranged at the tops of the coarse effect filtering component (3) and the fine effect filtering component (4) so that air enters the color screening component (5) after passing through double filtration; The device also comprises a control part (8) for controlling the coarse effect filtering component (3), the fine effect filtering component (4), the color screening component (5) and the power component (6) to work cooperatively; The control piece (8) is internally provided with a multi-parameter acquisition and signal preprocessing module, a purifying effect evaluation and color screening assembly control module, a filter element state monitoring and filtering assembly control module and a power output adjusting module, wherein each module acquires real-time data through an acquisition end and outputs control signals through logic operation and algebraic calculation, so that accurate coordination control of each assembly is realized.
  2. 2. The air purifying treatment device for automatic pyramid coating processing according to claim 1, wherein the air inlet cover (2) is an annular structure arranged around the lower part of the shell (1) or a dome structure uniformly distributed with a plurality of air inlet holes so as to realize circumferential 360-degree air inlet.
  3. 3. The air purification treatment device for automatic pyramid coating processing according to claim 1, wherein the coarse filter component (3) is an annular G4 primary filter cotton frame, the fine filter component (4) is a columnar HEPA efficient filter element, and the coarse filter component and the fine filter component are coaxially arranged to form an annular and columnar nested double filter structure.
  4. 4. An air cleaning device for automatic coating process of pyramids according to claim 1, characterized in that the power unit (6) is a brushless dc centrifugal fan.
  5. 5. The air purification treatment device for automatic pyramid coating processing according to claim 1, wherein the multi-parameter acquisition and signal preprocessing module processes an original acquisition signal by a moving average filtering method, and a filtering formula is as follows: wherein For the filtered signal value, N is the sliding window length, S j is the original signal value, k is the current sampling point sequence number, the module also converts the analog signal into a digital signal by an A/D conversion standardization formula, and the standardization formula is: Where D k is a normalized digital signal, D min =0、D max =255,U k is a filtered analog signal voltage, U min =0V、U max =5v.
  6. 6. An air purifying device for automatic pyramid coating process according to claim 1, wherein the purifying effect evaluation and color screening component control module is configured to pass through particle size standard rate η 1 =N 1 /N t and color standard rate Calculating comprehensive purification standard rate And the rotating speed of the color screening assembly 5 is regulated through a rotating speed regulating formula omega=min (omega 0 ×η target /η,ω max ), wherein N 1 is the number of particles reaching the standard, N t is the total number of particles sampled, I is the reflected light intensity of the colored pollutants, I0 is the reference light intensity, alpha is the particle size weight coefficient, eta target is the target comprehensive purification reaching standard rate, omega 0 is the initial rotating speed, and omega max is the maximum allowable rotating speed.
  7. 7. An air purification treatment device for automatic pyramid coating process according to claim 1, wherein the filter element status monitoring and filtering assembly control module calculates the total plugging coefficient by means of a single filter element plugging coefficient K 1 =ΔP 1 /ΔP 10 、K 2 =ΔP 2 /ΔP 20 Sending out early warning signals according to the total blocking coefficient, wherein DeltaP 1 、ΔP 2 is the real-time differential pressure of the coarse-effect filter element and the fine-effect filter element, deltaP 10 、ΔP 20 is the initial differential pressure, beta is the weight coefficient of the coarse-effect filter element, and the module compensates the rotating speed correction coefficient through the differential pressure Providing a basis for the rotation speed adjustment of the power assembly (6).
  8. 8. An air purifying device for automatic coating process of pyramid according to claim 1, wherein the power output adjusting module is configured to adjust the power output according to the flow rate deviation Standard-reaching rotation speed regulating coefficient for purification Calculating a target rotating speed n=K n ×K η ×n 0 +k p ×Deltav, and limiting a rotating speed range through a rotating speed limiting formula, wherein v target is a target airflow velocity, v is a real-time airflow velocity at an air outlet cover (7), n 0 is an initial rotating speed of a power assembly, K p is a proportional adjustment coefficient, K n is a differential pressure compensation rotating speed correction coefficient, eta is a comprehensive purification standard rate, and eta target is a target comprehensive purification standard rate.
  9. 9. An air purification treatment device for automatic pyramid coating processing according to claim 1, wherein the rotation speed limiting formula is: Where n min is the power assembly minimum allowable speed and n max is the power assembly maximum allowable speed.

Description

Air purification treatment device for automatic pyramid coating processing Technical Field The invention relates to the technical field of air purification equipment, in particular to an air purification treatment device for automatic coating processing of pyramids. Background The pyramids produce a large amount of exhaust gas containing paint particles, dust, and colored volatile contaminants during the automated coating process. If the waste gas is directly discharged, the waste gas not only pollutes the workshop environment and endangers the health of operators, but also can cause the reduction of coating precision and the reduction of product percent of pass due to the fact that pollutants are attached to the surfaces of the pyramids, so that the waste gas is required to be treated by matching with an air purifying device. At present, the air purification device commonly used in industry has been gradually applied to pyramid coating processing scene, but current device is mostly general purification equipment, does not carry out special design to the characteristic of pyramid coating waste gas, is difficult to satisfy accurate purification demand in practical application, specifically as follows: The air inlet and purification structure is unreasonable in design, the waste gas collection is incomplete, and the purification effect is poor, the traditional device mainly adopts a single-side or double-side air inlet structure, only can collect waste gas in a local area, can not realize 360-degree dead angle-free coverage pyramid coating processing area, and can not cause waste gas escape, the filtering component is mainly a single filtering level or a simple parallel double-filtering structure, the filtering path is short, the interception area is limited, the filtering efficiency of 1-10 mu m coating particles generated by coating is low, a special treatment mechanism for colored organic pollutants is lacked, the removal rate of the colored pollutants is poor, potential chromatic aberration hazards still exist in the air after purification, and the high-precision requirement of pyramid coating on the air quality can not be matched. The device is lack of a systematic intelligent control mechanism, has poor running stability and high energy consumption, an existing device is not provided with a complete multi-parameter acquisition and closed-loop regulation system, cannot monitor key indexes such as a filter element blocking state, a purifying effect, an airflow flow rate and the like in real time, can judge filter element replacement time only through manual periodic inspection, is easy to cause filter element overuse or advanced replacement, and cannot dynamically regulate filtering strength and power output parameters according to waste gas concentration and the purifying effect, so that the running energy consumption of the device is large in fluctuation, the average energy consumption is higher in reasonable working condition, the airflow flow rate stability is poor, and the consistency of the purifying effect is further influenced. The structure design is solidified, the maintenance is inconvenient and the suitability is poor, the components of the existing device are mostly of an integrated fixed structure, the disassembly of an air inlet protection component, a filtering component, a purifying core component and the like is complicated, and the daily cleaning, maintenance and component replacement are inconvenient; the method has the advantages that each operation parameter is preset in factory, cannot be conveniently adjusted in remote or on site, is difficult to adapt to pyramid coating processing scenes with different precision (precision coating and common coating) and different types (optical pyramid and color coating pyramid), is limited in universality, lacks fault self-diagnosis and alarm functions, cannot upload operation state information in real time, needs on-site on-duty monitoring of operators, and is high in maintenance cost. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an air purifying treatment device for automatic coating processing of pyramids, which solves the technical problems of incomplete air intake, poor filtering and purifying effects and lack of intelligent control of the prior device. The air purifying treatment device for automatic pyramid coating processing comprises a shell and a purifying runner arranged in the shell; The purifying flow passage comprises an air inlet cover, a coarse-effect filtering component, a fine-effect filtering component, a color screening component, a power component and an air outlet cover, wherein the air inlet cover is positioned below the shell and used for 360-degree dead-angle-free air inlet, and the coarse-effect filtering component and the fine-effect filtering component are sequentially arranged along the air flow direction; The color screening component is arranged at the tops of the coarse ef