阅读说明：本技术 一种适用于多个并联涂装车间的挥发性有机物集中处理系统 (Volatile organic compound centralized processing system suitable for multiple parallel coating workshops ) 是由 张光海 吴兴祥 李一伟 张俊 原光辉 于 2021-08-27 设计创作，主要内容包括：本发明涉及一种适用于多个并联涂装车间的挥发性有机物集中处理系统,用于大风量、工况极端、浓度波动大的VOCs废气处理,包括多个并联涂装车间VOCs收集设备子系统、VOCs集中过滤缓存装置、并联VOCs末端处理设备子系统、烟囱和控制子系统；所述控制子系统包括处理器和存储器,所述存储器存储有程序,所述程序被处理器执行时实现以下步骤：S1、产生大量风量、浓度波动大的挥发性有机物；S2、有效过滤缓冲,产生风量稳定、浓度相对恒定的挥发性有机物；S3、销毁处理所述风量波动大、浓度相对恒定的挥发性有机物后通过所述烟囱排放。有益效果是高效、节能、智能的,用于大风量、工况极端、浓度波动大的多个并联涂装车间。(The invention relates to a centralized volatile organic compound treatment system suitable for a plurality of parallel coating workshops, which is used for treating VOCs waste gas with large air volume, extreme working conditions and large concentration fluctuation and comprises a plurality of parallel coating workshop VOCs collection equipment subsystems, VOCs centralized filtering and caching devices, parallel VOCs terminal treatment equipment subsystems, a chimney and a control subsystem; the control subsystem includes a processor and a memory, the memory storing a program that when executed by the processor performs the steps of: s1, generating a large amount of air and volatile organic compounds with large concentration fluctuation; s2, effective filtering and buffering are carried out, and volatile organic compounds with stable air volume and relatively constant concentration are generated; and S3, destroying and processing the volatile organic compounds with large air quantity fluctuation and relatively constant concentration, and then discharging the volatile organic compounds through a chimney. The coating system has the advantages of high efficiency, energy conservation and intelligence, and is used for a plurality of parallel coating workshops with large air quantity, extreme working conditions and large concentration fluctuation.)

1. The utility model provides a volatile organic compounds centralized processing system suitable for a plurality of parallelly connected coating workshops for the VOCs exhaust-gas treatment that big amount of wind, operating mode are extreme, concentration fluctuation is big, its characterized in that: the system comprises a plurality of parallel coating workshop VOCs collecting equipment subsystems, VOCs centralized filtering and caching devices, parallel VOCs end processing equipment subsystems, a chimney and a control subsystem; the multiple parallel coating workshop VOCs collecting equipment subsystems comprise multiple parallel VOCs collecting equipment arranged in multiple coating workshops with concentrated positions, and the parallel VOCs tail end processing equipment subsystem comprises multiple parallel VOCs tail end processing equipment; the control subsystem is connected with the VOCs collecting subsystems, the VOCs centralized filtering and caching devices and the parallel VOCs terminal processing equipment subsystems of the coating workshops through control lines, the control subsystem comprises a processor and a memory, the memory stores programs, and when the programs are executed by the processor, the following steps are realized:

s1, the control subsystem controls the multiple parallel coating workshop VOCs collecting equipment subsystems to generate a large amount of air and volatile organic compounds with large concentration fluctuation according to the staggering of paint spraying, curing processes and coating time in the coating process of the coating workshop;

s2, the control subsystem controls the VOCs centralized filtering and caching device to effectively filter and buffer the volatile organic compounds with large air quantity and concentration fluctuation and generate volatile organic compounds with stable air quantity and relatively constant concentration;

and S3, the control subsystem controls the parallel VOCs terminal treatment equipment subsystem to destroy and treat the volatile organic compounds with stable air volume and relatively constant concentration, and then the volatile organic compounds are discharged through the chimney.

2. The centralized volatile organic compound treatment system applicable to a plurality of parallel coating workshops according to claim 1, wherein: VOCs collecting device connects through the VOCs waste gas inlet pipeline that has the valve of establishing ties VOCs concentrates and filters buffer memory device, the control subsystem is through control the amount of wind is handled in the valve control application workshop on the VOCs waste gas inlet pipeline.

3. The centralized processing system for volatile organic compounds applicable to a plurality of parallel paint shops according to claim 2, wherein the step S1: and the control subsystem judges a high-concentration coating workshop and a low-concentration curing workshop according to the paint spraying procedures of the plurality of parallel coating workshops, and controls valves on the VOCs waste gas inlet pipelines to adjust the air volume of the plurality of coating workshops through electric control signals.

4. The centralized volatile organic compound treatment system applicable to a plurality of parallel coating workshops according to claim 3, wherein: the concentrated filtering and buffering device comprises a filtering bag and buffering materials, and volatile organic compounds which are free of paint mist particles, stable in air volume and relatively constant in concentration are formed in the step S2.

5. The centralized volatile organic compound treatment system applicable to a plurality of parallel coating workshops according to claim 4, wherein: the terminal processing devices of the VOCs may be individually or collectively turned on, and the step S3 controls the turn-on number of the terminal processing devices of the VOCs according to the air volume and the concentration of the volatile organic compounds having relatively constant concentrations.

6. The centralized volatile organic compound processing system applicable to a plurality of parallel paint shops according to claim 5, wherein the step S3: and the control subsystem controls the opening and closing quantity and power of the VOCs terminal processing equipment according to the concentration and the air quantity of the VOCs fed back by the VOCs centralized filtering and caching device.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of organic waste gas purification and treatment, in particular to a centralized volatile organic compound treatment system suitable for a plurality of parallel coating workshops.

[ background of the invention ]

Volatile Organic Compounds, commonly referred to as VOCs, are the first letter of the three Volatile Organic Compounds. Along with the increasingly prominent environmental problems, the treatment of Volatile Organic Compounds (VOCs) basically covers various key industries, wherein the coating workshop has high concentration during spraying, needs to be treated in a larger equipment specification, has low concentration during curing, needs to consume more energy, and has the pain point of the industry for standard treatment and energy-saving operation and great treatment difficulty. At present, each coating workshop is adopted to correspond to one set of treatment equipment, the specification of the treatment equipment needs to meet the high-concentration treatment working condition when spraying, the concentration fluctuation is large, great energy waste is caused, and the capacity of carrying out extreme spraying in a single coating workshop is insufficient. Due to the characteristic of gap spraying between coatings, the prior art cannot meet the requirements of reaching standards under extreme working conditions and saving energy, and most coating workshops are concentrated in a certain area and operate in a concentrated manner, so that a large amount of equipment is idle. Therefore, a centralized treatment system which can meet the emission standard of extreme spraying working conditions and can run in an energy-saving manner is needed, and green and environment-friendly treatment is realized.

[ summary of the invention ]

The invention aims to provide an efficient, energy-saving and intelligent volatile organic compound centralized treatment system for a plurality of parallel coating workshops with large air volume, extreme working conditions and large concentration fluctuation.

In order to achieve the purpose, the invention adopts the technical scheme that the volatile organic compound centralized processing system is suitable for a plurality of parallel coating workshops, is used for treating VOCs waste gas with large air volume, extreme working conditions and large concentration fluctuation, and comprises a plurality of parallel coating workshop VOCs collecting equipment subsystems, VOCs centralized filtering and caching devices, parallel VOCs tail end processing equipment subsystems, a chimney and a control subsystem; the multiple parallel coating workshop VOCs collecting equipment subsystems comprise multiple parallel VOCs collecting equipment arranged in multiple coating workshops with concentrated positions, and the parallel VOCs tail end processing equipment subsystem comprises multiple parallel VOCs tail end processing equipment; the control subsystem is connected with the VOCs collecting subsystems, the VOCs centralized filtering and caching devices and the parallel VOCs terminal processing equipment subsystems of the coating workshops through control lines, the control subsystem comprises a processor and a memory, the memory stores programs, and when the programs are executed by the processor, the following steps are realized:

s1, the control subsystem controls the multiple parallel coating workshop VOCs collecting equipment subsystems to generate a large amount of air and volatile organic compounds with large concentration fluctuation according to the staggering of paint spraying, curing processes and coating time in the coating process of the coating workshop;

s2, the control subsystem controls the VOCs centralized filtering and caching device to effectively filter and buffer the volatile organic compounds with large air quantity and concentration fluctuation and generate volatile organic compounds with stable air quantity and relatively constant concentration;

and S3, the control subsystem controls the parallel VOCs terminal treatment equipment subsystem to destroy and treat the volatile organic compounds with stable air volume and relatively constant concentration, and then the volatile organic compounds are discharged through the chimney.

Preferably, foretell a volatile organic compounds centralized processing system suitable for a plurality of parallelly connected coating workshops, VOCs collecting device connects through the VOCs waste gas inlet pipeline that has the valve in series VOCs concentrates and filters buffer memory device, control subsystem is through control the valve regulation coating workshop on the VOCs waste gas inlet pipeline handles the amount of wind.

Preferably, in the centralized volatile organic compound processing system applicable to a plurality of parallel paint shops, the step S1: and the control subsystem judges a high-concentration coating workshop and a low-concentration curing workshop according to the paint spraying procedures of the plurality of parallel coating workshops, and controls valves on the VOCs waste gas inlet pipelines to adjust the air volume of the plurality of coating workshops through electric control signals.

Preferably, in the centralized volatile organic compound treatment system applicable to a plurality of parallel coating workshops, the centralized filtering and buffering device internally comprises a filter bag and a buffering material, and in step S2, volatile organic compounds without paint mist particles, with stable air volume and relatively constant concentration are formed.

Preferably, in the centralized volatile organic compound processing system applicable to a plurality of parallel paint shops, the VOCs end-point processing devices can be turned on individually or jointly, and the step S3 controls the turn-on number of the VOCs end-point processing devices according to the air volume and concentration of the relatively constant-concentration volatile organic compounds.

Preferably, in the centralized volatile organic compound processing system applicable to a plurality of parallel paint shops, the step S3: and the control subsystem controls the opening and closing quantity and power of the VOCs terminal processing equipment according to the concentration and the air quantity of the VOCs fed back by the VOCs centralized filtering and caching device.

The centralized volatile organic compound treatment system applicable to a plurality of parallel coating workshops has the following beneficial effects: the concentrated treatment of volatile organic compounds of a plurality of parallel coating workshops with large air volume, extreme working conditions and large concentration fluctuation is realized through a VOCs waste gas inlet, a concentrated filtering buffer device, VOCs tail end treatment equipment, a VOCs waste gas outlet and a control subsystem, so that the efficient, energy-saving and intelligent treatment of the volatile organic compounds is realized; the processing capacity of each part is allocated by the control subsystem, the processing air quantity is effectively distributed, and finally, the environment-friendly treatment is realized while the standard emission of the extreme spraying working condition is met; the device has the advantages of reducing equipment investment cost, improving the processing capacity of a single workshop, eliminating the impact of extreme working conditions of spraying, reducing equipment operation energy consumption, realizing multi-equipment linkage intelligent control operation and the like, and solves the treatment problems of high concentration, strong impact, difficult standard treatment of equipment, low concentration during curing and large operation energy consumption in the coating workshop through the integral centralized treatment operation, and finally realizes the centralized efficient, energy-saving and intelligent treatment of volatile organic matters in a plurality of parallel coating workshops.

[ description of the drawings ]

Fig. 1 is a schematic diagram of a centralized volatile organic compound processing system suitable for a plurality of parallel coating shops.

Fig. 2 is a schematic diagram of a centralized volatile organic compound processing system suitable for a plurality of parallel coating shops.

Fig. 3 is a schematic diagram of an application of a centralized volatile organic compound processing system suitable for a plurality of parallel coating workshops.

The reference numerals and components referred to in the drawings are as follows: 1. VOCs waste gas entry, 2, concentrate and filter buffer, 3, VOCs end treatment facility, 4, VOCs exhaust outlet, 5, control subsystem, 6, a plurality of parallelly connected application workshop, 7, volatile organic compounds centralized processing system, 8, chimney.

[ detailed description ] embodiments

The invention is further described with reference to the following examples and with reference to the accompanying drawings.

Example 1

The embodiment realizes a volatile organic compound centralized processing system suitable for a plurality of parallel coating workshops.

FIG. 1 is a schematic diagram of a centralized volatile organic compound processing system suitable for a plurality of parallel coating shops. As shown in fig. 1, the centralized volatile organic compound processing system applicable to a plurality of parallel coating workshops is used for processing large air volume, extreme working conditions and large concentration fluctuation of VOCs waste gas, and comprises a plurality of parallel coating workshop VOCs collecting equipment subsystems, a VOCs centralized filtering and caching device, a parallel VOCs terminal processing equipment subsystem, a chimney and a control subsystem; the multiple parallel coating workshop VOCs collecting equipment subsystems comprise multiple parallel VOCs collecting equipment arranged in multiple coating workshops with concentrated positions, and the parallel VOCs tail end processing equipment subsystem comprises multiple parallel VOCs tail end processing equipment; the control subsystem is connected with the VOCs collecting subsystems, the VOCs centralized filtering and caching devices and the parallel VOCs terminal processing equipment subsystems of the coating workshops through control lines, the control subsystem comprises a processor and a memory, the memory stores programs, and when the programs are executed by the processor, the following steps are realized:

s1, the control subsystem controls the multiple parallel coating workshop VOCs collecting equipment subsystems to generate a large amount of air and volatile organic compounds with large concentration fluctuation according to the staggering of paint spraying, curing processes and coating time in the coating process of the coating workshop;

s2, the control subsystem controls the VOCs centralized filtering and caching device to effectively filter and buffer the volatile organic compounds with large concentration fluctuation, and volatile organic compounds with stable air volume and relatively constant concentration are generated;

and S3, the control subsystem controls the parallel VOCs terminal treatment equipment subsystem to destroy and treat the volatile organic compounds with stable air volume and relatively constant concentration, and then the volatile organic compounds are discharged through the chimney.

Example 2

The embodiment realizes a volatile organic compound centralized processing system suitable for a plurality of parallel coating workshops.

FIG. 2 is a schematic diagram of a centralized volatile organic compound treatment system suitable for a plurality of parallel coating shops. As shown in the attached drawing 2, the volatile organic compound centralized processing system applicable to a plurality of parallel coating workshops is used for realizing the centralized processing of volatile organic compounds of a plurality of parallel coating workshops with large air volume, extreme working conditions and large concentration fluctuation, and consists of a VOCs waste gas inlet, a centralized filtering and buffering device, VOCs terminal processing equipment, a VOCs waste gas outlet and a control subsystem, so that the centralized efficient, energy-saving and intelligent processing of volatile organic compounds of a plurality of parallel coating workshops is realized. The purposes of meeting the spraying extreme working conditions of a plurality of parallel workshops and saving energy for operation are achieved by connecting the centralized filtering buffer and a plurality of terminal devices in parallel, and the problem of treatment of a large spraying workshop is finally solved.

FIG. 3 is a schematic diagram of a centralized volatile organic compound treatment system suitable for multiple parallel coating shops. As shown in fig. 3, in the practical application of the centralized volatile organic compound processing system applicable to a plurality of parallel coating workshops according to the present embodiment, the concentration of the paint in the plurality of parallel coating workshops is high, the concentration of the paint in the paint is low, the concentration fluctuation is large, the coating time of each workshop is staggered, and the paint is subjected to centralized processing by the centralized volatile organic compound processing system and then is discharged through the chimney after reaching the standard.

Referring to fig. 2, in the volatile organic compound centralized processing system for a plurality of parallel coating workshops according to the present embodiment, the VOCs waste gas inlet collects VOCs waste gas generated by the plurality of parallel coating workshops, the VOCs waste gas has characteristics of different air volume and large concentration difference, and enters the centralized filtering and buffering device for filtering and buffering, and the mixed waste gas has relatively stable concentration and small fluctuation. VOCs waste gas with relatively stable concentration enters VOCs end treatment equipment for final treatment, and the VOCs end treatment equipment has the characteristics of independent and parallel operation and is controlled by the control subsystem to maintain low-cost green operation. The plurality of parallel coating workshops are waste gas generating sources and are concentrated at specific positions by a plurality of independent coating workshops; the VOCs waste gas inlet collects and summarizes the VOCs waste gas of the plurality of parallel coating workshops for centralized treatment; the concentrated filtering and buffering device plays roles in filtering and high-concentration buffering, and the VOCs tail end processing equipment is formed by connecting a plurality of tail end equipment in parallel and can be opened and closed independently or synchronously; the VOCs waste gas outlet collects the gas reaching the standard for discharge; the control subsystem controls the start and stop of a plurality of VOCs terminal treatment devices, so that the treatment of extreme working conditions of a plurality of parallel coating workshops and the energy-saving operation are realized, and the intelligent automatic operation is realized.

A plurality of parallelly connected application workshops produce a large amount of Volatile Organic Compounds (VOCs) waste gas in the application process, and concentration is higher when spraying paint, and concentration is lower during the solidification, and concentration fluctuation is big, and each workshop application time is crisscross each other, and the VOCs waste gas of its production gets into concentrate and filter buffer and carry out the effective filtration buffering, reduce concentration fluctuation, maintain rear end equipment processing concentration invariant relatively, filter VOCs entering after the buffering VOCs terminal treatment equipment destroys the processing, finally passes through VOCs waste gas outlet discharges, control subsystem accomplish volatile organic compounds centralized processing system intelligent control automatic operation and state monitoring.

The waste gas inlet is connected with a plurality of parallel coating workshops and gathered to the centralized filtering and buffering device, the waste gas inlet of each coating workshop is provided with a valve for automatically controlling the air volume of the waste gas inlet, the waste gas inlet keeps high air volume operation during paint spraying, the waste gas inlet keeps low air volume operation during curing, and the distribution of the air volume is automatically adjusted and controlled by the control subsystem according to the operation rule.

Concentrate and filter buffer inside containing and cross filter bag and buffer material, can mix the VOCs waste gas that VOCs waste gas entry produced combines a plurality of parallelly connected application workshop intermittent type spraying characteristics, certain application workshop high concentration that sprays paint and other application workshops solidification low concentration mix and form relatively stable VOCs waste gas concentration, but the maintenance of centralized maintenance reduces fortune dimension cost simultaneously. The relatively stable VOCs waste gas concentration has the characteristic of low operation cost compared with the VOCs waste gas concentration with large concentration fluctuation. Concentrate and filter buffer, wherein filter the coating cloud in the bag is to waste gas and filter, avoid follow-up terminal processing to cause the jam, wherein buffer material carries out VOCs when waste gas entry high concentration and reserves, carries out VOCs release when waste gas entry low concentration, forms the peak clipping and fills the valley effect. Different concentrations of the plurality of parallel coating workshops enter the centralized filtering and buffering device to be mixed to form stable concentration output.

VOCs end treatment facility comprises a plurality of independent VOCs end treatment facilities, can open alone or jointly, and its processing is through VOCs waste gas behind the concentrated filtration buffer, its equipment open and close by control subsystem control finally through VOCs waste gas outlet discharge. The VOCs end processing equipment is intelligently controlled by the control subsystem according to the concentration of VOCs at the outlet of the centralized filtering and buffering device, and the opening and closing number and state of the VOCs end processing equipment are controlled, so that the purposes of making the best use of equipment and reducing the running cost are achieved.

The embodiment is suitable for intelligent control and automatic operation of a volatile organic compound centralized processing system of a plurality of parallel coating workshops. The control subsystem adjusts the processing air volume of the corresponding coating workshop according to the spraying specification of the coating workshop, the air volume is large during spraying, the extreme spraying working condition can be met, the air volume is small during curing, and the operation energy consumption can be saved. And simultaneously controlling the VOCs tail end treatment equipment to realize the tail end treatment of the waste gas passing through the centralized filtering and buffering device through the parallel operation of the VOCs tail end treatment equipment.

The volatile organic compound centralized processing system applicable to a plurality of parallel coating workshops comprises the following specific working steps:

1. VOCs waste gas collection process;

a plurality of parallelly connected application workshops have intermittent type formula spraying, and the characteristics that concentration fluctuation is big, the control subsystem handles the amount of wind through each workshop of valve regulation in its each workshop of control, makes its big amount of wind when the spraying, and little amount of wind operation during the solidification passes through VOCs waste gas entry is collected the back warp form the VOCs waste gas of concentration relatively stable behind the concentrated filtration buffer, the rear end equipment of being convenient for handles.

2. VOCs waste gas treatment process;

VOCs waste gas with relatively stable concentration is formed after passing through the centralized filtering and buffering device and then enters the VOCs tail end treatment equipment for treatment and then is discharged after reaching the standard, and the control subsystem controls the running quantity and power of the VOCs tail end treatment equipment according to the concentration of the VOCs waste gas, so that the VOCs tail end treatment equipment can run in an energy-saving mode.

3. A VOCs waste gas control process;

the control subsystem reasonably processes the air quantity of each coating workshop in stages according to the paint spraying rule of the plurality of parallel coating workshops, so that the air quantity meets the processing capacity of extreme working conditions and the input concentration of rear-end equipment is kept constant; the control subsystem controls the running quantity and control of the VOCs terminal processing equipment to meet terminal concentration processing, the control system collects system data in the running process of the volatile organic compound centralized processing systems of the multiple parallel coating workshops and performs feedback control, and intelligent automatic energy-saving running is finally achieved.

This embodiment a volatile organic compounds centralized processing system suitable for a plurality of parallelly connected paint shops passes through VOCs waste gas entry, concentrated filtration buffer, the terminal treatment facility of VOCs, VOCs exhaust outlet and control subsystem realize the volatile organic compounds centralized processing of a plurality of parallelly connected paint shops of big amount of wind, extreme, the concentration fluctuation of operating mode, realize high-efficient, energy-conserving, intelligent processing of volatile organic compounds. The processing capacity of each part is allocated through the control subsystem, the processing air quantity is effectively distributed, and finally, the environment-friendly processing is realized while the standard emission of extreme spraying working conditions is met.

This embodiment a volatile organic compounds centralized processing system suitable for a plurality of parallelly connected application shops has the reduction equipment investment cost, improve single workshop throughput, eliminate the extreme operating mode impact of spraying, reduce equipment operation energy consumption, advantages such as multi-device linkage intelligent control operation, through its whole centralized processing operation, concentration is high when having solved the application shop and spraying paint, the impact is strong, the difficult standard treatment of equipment, concentration is low during the solidification, the big treatment difficult problem of operation energy consumption, finally, the concentrated high efficiency of a plurality of parallelly connected application shop volatile organic compounds has been realized, energy-conservation, intelligent processing.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.