CN101653686A - Safety monitoring device for organic gas adsorption concentrator and method thereof - Google Patents
Safety monitoring device for organic gas adsorption concentrator and method thereof Download PDFInfo
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- CN101653686A CN101653686A CN200810147162A CN200810147162A CN101653686A CN 101653686 A CN101653686 A CN 101653686A CN 200810147162 A CN200810147162 A CN 200810147162A CN 200810147162 A CN200810147162 A CN 200810147162A CN 101653686 A CN101653686 A CN 101653686A
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Abstract
The invention provides a safety monitoring device for an organic gas adsorption concentrator and a method thereof. In the organic gas adsorption concentrator, the device is provided with an airflow outlet temperature sensor, an airflow inlet temperature sensor, a sprinkler, a fire-retardant gas nozzle and a controller, wherein the airflow outlet temperature sensor senses and monitors airflow outlet temperature; the airflow inlet temperature sensor senses and monitors airflow inlet temperature; the sprinkler waters an adsorbing material in the organic gas adsorption concentrator through a firstcontrol valve to reduce temperature; the fire-retardant gas nozzle sprays fire-retardant gas on the adsorbing material in the organic gas adsorption concentrator through a second control valve; and the controller receives signals of the airflow outlet temperature sensor, the airflow inlet temperature sensor and an adsorbing material temperature sensor, and compares the signals with safety temperature parameters to control the actions of the sprinkler and the fire-retardant gas nozzle. The method comprises the following steps: setting the safety temperature parameters of the organic gas adsorption concentrator; sensing and monitoring the airflow inlet and outlet temperatures; comparing the sensed temperature values with the set values of the safety temperature parameters to judge whether the working state of the concentrator is safe; and executing a working state safety temperature control system of the organic gas adsorption concentrator. The method is safe to operate.
Description
Technical field
The present invention relates to purification apparatus and method, relate in particular to a kind of operating characteristic according to organic gas absorption inspissator, set its distinctive safe temperature parameter, and the variations in temperature of the selected reference point of lasting detecting, if variations in temperature exceeds the safe temperature parameter that sets, then with watering cooling temperature control mechanism, make the safety monitoring device and the method for the organic gas absorption inspissator that the adsorption material of organic gas absorption inspissator no longer heats with dilution volatile organic matter concentration.
Background technology
Volatile organic matter (Volatile Organic Compounds, VOCs) purification treatment technology, the general commercial comparatively normal method that adopts includes: absorption method, incineration method, condensation method, absorption process, biological treatment, electric slurry method etc., also comprise the mixing method that adopts preceding method, it can be divided into two types of destructiveness and non-destructives substantially.Yet, in order to adapt to the development of Modern high-tech industry, as semiconductor chip manufacturing and the manufacturing rapidly concentrated intensive expansion of photoelectric panel, and derive as the contamination preventing problem of volatile organic compounds discharging pre-treatment, everybody approval and the treatment technology accepted are main still based on final incineration method or the condensation method of handling of warm variant absorption concentration method (Thermal swing adsotber) collocation the most.The general dust head of temperature variant absorption concentration method is absorption concentration runner incineration system and fluidized floating bed adsorption system, wherein the honeycomb parallel channels (Honeycomb channels) with impregnation hydrophobic zeolite type adsorbent fines end (Hydrophobiczeolite fine powder) adsorbs concentration runner (hereinafter to be referred as the zeolite adsorption runner), and proper sphere shape activated carbon fluidized bed (Fluidize bed is hereinafter to be referred as the activated carbon fluidized bed) is maximum.
Consult shown in Figure 1ly, existing absorption concentration runner incineration system is to utilize adsorption-desorption-concentrate three continuous programs such as incinerations grade, makes VOCs be cracked into harmless H
2O and CO
2, its device characteristics be fit to handle high flow capacity, in low pollutant levels (generally below 1000ppmv@solvent) and contain the VOCs waste gas of many species, it is thinner and air quantity is big (generally at 10000Nm to be mainly used in discharging
3More than/the hr) industrial pollutants handle; The multichannel honeycomb adsorption runner 10 that this system mainly is made up of the adsorption material of hydrophobic zeolite carries out the absorption and the concentrated desorption of VOCs polluter; Usually this zeolite adsorption runner 10 can be divided into three parts: 11 and two desorption district (Desorption zone) 12, cooling zone (Cooling zone) 13 less and area is suitable of bigger adsorption zone (Adsorption process zone).The absorption program of phase I is the VOCs waste gas that will enter after the system, give adsorption cleaning at normal temperatures by adsorption zone 11 after, directly be disposed to atmosphere; Then drive the rotation (2 to 6RPH) of adsorption runner 10, and enter the desorption program of second stage because of reductor (Geared motor); The hot-air that this desorption program is required, be to provide by preheated air and the hot-air after the incineration system heat exchange of rear end (about 180 to 220 ℃) that cooling zone 13 exports, make in its desorption district 12 that enters adsorption runner 10, the organic matter desorption and regeneration is come out, go out to flow pollutant levels this moment and be approximately about 5 to 20 times of the waste gas that becomes a mandarin; The organic matter that desorption and regeneration comes out can carry out high temperature (more than 700 ℃) at the hot incinerator of phase III and incinerate, or carries out the condensation recycling supervisor of low temperature; Can reduce follow-up exhaust-gas treatment unit size like this, and save and just establish expense and running expense.
Consult shown in Figure 2, existing fluidized floating bed adsorption system, be to make VOCs waste gas send into the bottom of fluidisation adsorbent bed 20, and after off-gas flows disperses by air-flow dispersion plate 22, with by on the spherical adsorption material 23 of activated carbon that falls contact, can become Purge gas and from the air stream outlet discharging of cat head; Wherein, the inside of fluidisation adsorbent bed 20 is separated into several layers with porous plate 21, spherical adsorption material 23 is fallen by the top of fluidisation adsorbent bed 20, and above porous plate 21, form unsteady layer, and fall along porous plate 21 peristome in layer, form the adsorption zone 24 of lamination shape, when spherical adsorption material 23 contacts with the waste gas that contains VOCs, VOCs in the waste gas is adsorbed in the hole of spherical adsorption material 23, waste gas promptly becomes the Purge gas discharging; Yet, adsorb the adsorption material storage tank 25 that saturated spherical adsorption material 23 drops down onto fluidisation adsorbent bed 20 bottoms after, deliver to follow-up desorption program, carry out sending back to after the desorption and regeneration work top of fluidisation adsorbent bed 20.
Consult shown in Figure 3, be that equipment investment cost is minimum, the fixed-bed type absorption recovery system that also the most suitable conventional industries are used, be that filling thickness is approximately 30 to 60 centimeters activated carbon beds formation adsorption zone 31 in fixed adsorption bed 30, carry out the absorption of waste gas and adsorb activated carbon regeneration after saturated, and after VOCs waste gas was flowed through the inside of fixed adsorption bed 30, it is adsorbed that VOCs then is adsorbed the active carbon adsorption material in district 31, and give off purified gas; Yet this fixed adsorption bed 30 is connected with relevant desorption reclaimer, is reclaimed by the adsorbed VOCs desorption of activated carbon such as utilizing steam allow.
Because everybody is to the zeolite runner in early days, understanding as discoid runner (disc type rotary wheel) or revolving ring type runner (carousel type rotary wheel) is few, thereby cause the case of the vexed combustion of runner to emerge in an endless stream, the first case of finding the vexed combustion of zeolite runner meeting in 1996, be in the zone, renewing zone of runner vexed combustion to take place, the runner base material is because of this section very high temperature ashing; According to the observation, end section at the runner desorption and regeneration has a large amount of high boiling point organic compound accumulations, this accumulation section just again with become the regional identical of ashing because of vexed combustion, so what can infer the vexed combustion of runner is that (3/5 to 4/5D for end section at the runner desorption and regeneration, D is that the runner airflow direction is dark entirely), also be high boiling point organic compound accumulation place.So, it is evident that, begin to take place vexed combustion part in the zeolite runner for from 3/5 to 4/5D place of desorption regeneration Way in, also be high boiling point organic compound fully under the desorption herein, and remain in maximum parts on the runner because of the regenerated heat deficiency; In addition, because zeolite runner itself is the inorganic matter composition more than 99%, be exactly the high boiling point organic compound that remains on the runner so the fuel of vexed combustion takes place runner, the oxygen of vexed combustion is then self-sufficient by the air in the cellular structure on the zeolite runner.
For more deep confirmation again and understand the mechanism of the vexed combustion of zeolite runner,, carry out static sealing program heat vexed combustion test of temperature control and the vexed combustion dynamic test of zeolite runner therefore by the vexed combustion testing equipment of a zeolite runner sample.At first, observe the heat result of the vexed combustion test of temperature control of static sealing program,, zeolite runner sample heats in the thermostatic protectiving incubator of temperature control when but being seated in a sealing and program, when sample is " original new zeolite runner sample " and " original new zeolite runner sample is through soaking deterioration liquid " (described deterioration liquid is meant mixed solutions such as isopropyl alcohol, acetone, ethanol ammonia, DMSO), temperature is heated and continues under 150 to 190 ℃ condition in thermostatic protectiving incubator, does not all have a large amount of heat releases and the phenomenon generation of temperature rise; " yet used real factory deterioration zeolite runner sample " and " used real factory deterioration zeolite runner sample is through soaking deterioration liquid ", temperature is heated and continues under 150 to 190 ℃ condition in thermostatic protectiving incubator, through after a while, all have a large amount of heat releases and the generation of temperature rise phenomenon, its temperature rise rate is rough to be about 23 ℃ of per minutes, and put in the runner sample electric thermo-couple temperature detecting sensing rod for temperature temperature displayed up to nearly 500 ℃ or more than, a diameter like this is that 50mm and length are the small sample of 50mm, can be under 150 to 190 ℃ of environment, temperature up to nearly 500 ℃ or more than, if this representative great wheel, its adiabatic temperature should be much larger than more than 500 ℃.
In addition, when zeolite runner sample is seated in the insulating tube that a heater via can add the thermal control ventilation temperature, sample is positioned in the insulating tube and has under the thermocouple detecting temperature conditions, same, when sample is " original new zeolite runner sample ", in insulating tube the inlet air temperature be heated and Sustainable Control under 150 to 190 ℃, a period of time when air current flow and when stopping to flow or afterwards, all do not have a large amount of heat releases and the phenomenon of temperature rise takes place; " yet used real factory deterioration zeolite runner sample ", in insulating tube the inlet air temperature be heated and Sustainable Control under 150 to 190 ℃, if during air current flow, do not have a large amount of heat releases and the phenomenon of temperature rise takes place; But, when air-flow stops to flow after after a while, have a large amount of heat releases and the phenomenon of temperature rise takes place, its temperature rise rate is also rough to be about 20 to 30 ℃ of per minutes, and the detecting of the electric thermo-couple temperature in runner sample sensing rod for temperature temperature displayed up to nearly 500 ℃ or more than; Same, a diameter like this is that 50mm and length are the small sample of 50mm, can be under 150 to 190 ℃ of environment, temperature up to nearly 500 ℃ or more than, if this representative great wheel, its adiabatic temperature should long-range what more than 500 ℃; Therefore, runner is during because of cancel closedown, and the temperature of runner may have the situation as the vexed combustion of above-mentioned reason generation runner up to more than 150 ℃.
Moreover, because the autoignition temperature of volatile organic matter is all greater than more than 400 ℃, and above-mentioned vexed combustion all will take place at 150 to 190 ℃, can suppose courageously that at this " used real factory deterioration zeolite runner sample " must pollute because of using by some material, caused zeolite runner sample to have catalyst (Catalytic) behavior; So, carry out " original new zeolite runner sample " and " used real factory deterioration zeolite runner sample " dsc analysis (Differential ScanningCalimetrics) to DMSO absorption, can know and learn that " original new zeolite runner sample " do not have the situation generation of picture " used real factory deterioration zeolite runner sample " to a large amount of heat releases of DMSO, and its starting point that begins a large amount of heat releases also is about 150 to 190 ℃, the peak value of its thermal discharge up to 3.5 to 4.0Watts/gram.
The similarly vexed shape of lighting the passion also may take place in fluidized bed and fixed bed, must have prevention mechanism to prevent that the vexed shape of lighting the passion from taking place, with maintenance safe.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that existing product exists, and a kind of safety monitoring device and method of organic gas absorption inspissator are provided, and has the effect of guaranteeing organic gas absorption inspissator handling safety.
The objective of the invention is to realize by following technical scheme.
The safety monitoring device of organic gas absorption inspissator of the present invention is characterized in that, this organic gas absorption inspissator comprises:
One air stream outlet temperature detecting device is detected the outflow temperature of monitored air-flow;
One air flow inlet temperature detecting device is detected the inflow temperature of monitored air-flow;
One water sprinkler by the first control valve control action state, and is lowered the temperature to the adsorption material watering of this organic gas absorption inspissator inside;
One fire-retardant gas nozzle by the second control valve control action state, and sprays fire-retardant gas to the adsorption material of this organic gas absorption inspissator inside, dilutes the volatile organic matter concentration in the cellular structure of this adsorption material;
One controller, receive the detection signal of this air stream outlet temperature detecting device, this air flow inlet temperature detecting device and this adsorption material temperature detecting device, and make comparisons, and then control the operating state of this water sprinkler and fire-retardant gas nozzle with the safe temperature parameter of each the detecting point that sets.
The safety monitoring device of aforesaid organic gas absorption inspissator wherein further is provided with an adsorption material temperature detecting device, detects the temperature after the inner adsorption material of this organic gas absorption inspissator is adsorbed organic gas.
The safety monitoring device of aforesaid organic gas absorption inspissator, wherein organic gas absorption inspissator is an adsorption runner, this monitored air-flow is the desorption air-flow in this adsorption runner desorption district of flowing through, this air stream outlet temperature detecting device is arranged on the exit in this adsorption runner desorption district, this air flow inlet temperature detecting device is arranged on the porch in this adsorption runner desorption district, this adsorption material temperature detecting device is arranged on the porch or the exit of this adsorption runner adsorption zone, this water sprinkler is arranged on the exit in this adsorption runner desorption district, arbitrary place of porch, desorption district or adsorption zone porch, this fire-retardant gas nozzle is arranged on the exit in this adsorption runner desorption district.
The safety monitoring device of aforesaid organic gas absorption inspissator; its middle controller is controlled the operating state of this water sprinkler by first control valve; control the operating state of this fire-retardant gas nozzle by second control valve; the safe temperature parameter that is set in this controller is that the air stream outlet temperature upper limit (sprays fire-retardant gas when reaching 150 ℃; watering when reaching 200 ℃); air-flow gateway temperature difference higher limit (is sprayed fire-retardant gas when the air stream outlet temperature reaches when 100 ℃ and air stream outlet temperature surpass 20 ℃ of air flow inlet temperature; watering when the air stream outlet temperature reaches 100 ℃ and air stream outlet temperature and surpasses 50 ℃ of air flow inlet temperature); temperature upper limit behind the adsorption material absorption organic gas (sprays fire-retardant gas when reaching 40 ℃; watering when reaching 50 ℃); one of the temperature rise rate higher limit of air stream outlet (when the temperature rise of air stream outlet temperature per minute surpasses 25 ℃, spray fire-retardant gas, or per minute temperature rise watering when surpassing 45 ℃) or the air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 50 ℃) when shutting down or its optional matched combined.
The safety monitoring device of aforesaid organic gas absorption inspissator, wherein adsorption runner is discoid runner or revolving ring type runner.
The safety monitoring device of aforesaid organic gas absorption inspissator, wherein organic gas absorption inspissator is the fluidisation adsorbent bed, this monitored air-flow is the off-gas flows of this fluidisation adsorbent bed adsorption zone of flowing through, this air stream outlet temperature detecting device is arranged on the exit of this fluidisation adsorbent bed, this air flow inlet temperature detecting device is arranged on the porch of this fluidisation adsorbent bed, this adsorption material temperature detecting device is arranged in the adsorption material storage tank of this fluidisation adsorbent bed bottom, this water sprinkler is arranged on the top of this fluidisation adsorbent bed inside, and this fire-retardant gas nozzle is arranged in the adsorption material storage tank of this fluidisation adsorbent bed bottom.
The safety monitoring device of aforesaid organic gas absorption inspissator, its middle controller is controlled the operating state of this water sprinkler by first control valve, control the operating state of this fire-retardant gas nozzle by second control valve, the safe temperature parameter that is set in this controller is air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃), air-flow gateway temperature difference higher limit (spraying fire-retardant gas or watering when 50 ℃ and air stream outlet temperature surpass 15 ℃ of air flow inlet temperature) when the air stream outlet temperature reaches, one of temperature rise rate higher limit (when the temperature rise of air stream outlet temperature per minute surpasses 10 ℃, spraying fire-retardant gas or watering) of temperature upper limit (spraying fire-retardant gas or watering when reaching 50 ℃) behind the adsorption material absorption organic gas or air stream outlet or its optional matched combined.
The safety monitoring device of aforesaid organic gas absorption inspissator, wherein organic gas absorption inspissator is a fixed adsorption bed, this monitored air-flow is the off-gas flows of this fixed adsorption bed adsorption zone of flowing through, this air stream outlet temperature detecting device is provided with the exit of this fixed adsorption bed of what, this air flow inlet temperature detecting device is arranged on the porch of this fixed adsorption bed, this adsorption material temperature detecting device is arranged in the adsorption zone of this fixed adsorption bed, this water sprinkler is arranged on the top of this fixed adsorption bed inside, and this fire-retardant gas nozzle is arranged on the porch of this fixed adsorption bed.
The safety monitoring device of aforesaid organic gas absorption inspissator, its middle controller is controlled the operating state of this water sprinkler by first control valve, control the operating state of this fire-retardant gas nozzle by second control valve, the safe temperature parameter that is set in this controller is air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃), air-flow gateway temperature difference higher limit (spraying fire-retardant gas or watering when 50 ℃ and air stream outlet temperature surpass 15 ℃ of air flow inlet temperature) when the air stream outlet temperature reaches, one of temperature rise rate higher limit (when the temperature rise of air stream outlet temperature per minute surpasses 15 ℃, spraying fire-retardant gas or watering) of temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃) behind the adsorption material absorption organic gas or air stream outlet or its optional matched combined.
The safety monitoring device of aforesaid organic gas absorption inspissator, wherein fire-retardant gas is nitrogen or carbon dioxide, this controller is a programmable controller.
The safety monitoring method of organic gas absorption inspissator of the present invention is characterized in that, comprises the following steps:
A. according to the operating characteristic of organic gas absorption inspissator, set its distinctive safe temperature parameter;
B. detect the inflow and outflow temperature of monitored air-flow;
C. compare the Temperature numerical that detected and the setting value of safe temperature parameter, whether the duty of judging organic gas absorption inspissator safety;
D. carry out the temperature control mechanism of guaranteeing organic gas absorption inspissator duty safety.
The safety monitoring method of aforesaid organic gas absorption inspissator, wherein further comprise the temperature behind the adsorption material absorption organic gas of detecting organic gas absorption inspissator inside, and become and relatively reach one of whether safe temperature parameter of the duty of judging organic gas absorption inspissator.
The safety monitoring method of aforesaid organic gas absorption inspissator, wherein temperature controlling machine is made as volatile organic matter concentration in the cellular structure of adsorption material watering cooling to organic gas absorption inspissator, the fire-retardant gas dilution adsorption material of spray or watering cooling and merges with the fire-retardant gas dilution volatile organic matter concentration of spray and use.
The safety monitoring method of aforesaid organic gas absorption inspissator, wherein organic gas absorption inspissator is an adsorption runner, this monitored air-flow is the desorption air-flow in this adsorption runner desorption district of flowing through.
The safety monitoring method of aforesaid organic gas absorption inspissator; wherein the safe temperature parameter is that the air stream outlet temperature upper limit (sprays fire-retardant gas when reaching 150 ℃; watering when reaching 200 ℃); air-flow gateway temperature difference higher limit (is sprayed fire-retardant gas when the air stream outlet temperature reaches when 100 ℃ and air stream outlet temperature surpass 20 ℃ of air flow inlet temperature; watering when the air stream outlet temperature reaches 100 ℃ and air stream outlet temperature and surpasses 50 ℃ of air flow inlet temperature); temperature upper limit behind the adsorption material absorption organic gas (sprays fire-retardant gas when reaching 40 ℃; watering when reaching 50 ℃); one of the temperature rise rate higher limit of air stream outlet (when the temperature rise of air stream outlet temperature per minute surpasses 25 ℃, spray fire-retardant gas, or per minute temperature rise watering when surpassing 45 ℃) or the air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 50 ℃) when shutting down or its optional matched combined.
The safety monitoring method of aforesaid organic gas absorption inspissator, wherein organic gas absorption inspissator is the fluidisation adsorbent bed, this monitored air-flow is the off-gas flows of this fluidisation adsorbent bed adsorption zone of flowing through.
The safety monitoring method of aforesaid organic gas absorption inspissator, wherein the safe temperature parameter is air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃), air-flow gateway temperature difference higher limit (spraying fire-retardant gas or watering when 50 ℃ and air stream outlet temperature surpass 15 ℃ of air flow inlet temperature) when the air stream outlet temperature reaches, one of temperature rise rate higher limit (when the temperature rise of air stream outlet temperature per minute surpasses 10 ℃, spraying fire-retardant gas or watering) of temperature upper limit (spraying fire-retardant gas or watering when reaching 50 ℃) behind the adsorption material absorption organic gas or air stream outlet or its optional matched combined.
The safety monitoring method of aforesaid organic gas absorption inspissator, wherein organic gas absorption inspissator is a fixed adsorption bed, this monitored air-flow is the off-gas flows of this fixed adsorption bed adsorption zone of flowing through.
The safety monitoring method of aforesaid organic gas absorption inspissator, wherein the safe temperature parameter is air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃), air-flow gateway temperature difference higher limit (spraying fire-retardant gas or watering when 50 ℃ and air stream outlet temperature surpass 15 ℃ of air flow inlet temperature) when the air stream outlet temperature reaches, one of temperature rise rate higher limit (when the temperature rise of air stream outlet temperature per minute surpasses 15 ℃, spraying fire-retardant gas or watering) of temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃) behind the adsorption material absorption organic gas or air stream outlet or its optional matched combined.
The safety monitoring method of aforesaid organic gas absorption inspissator, wherein fire-retardant gas is nitrogen or carbon dioxide.
The safety monitoring device and the beneficial effect of method of organic gas of the present invention absorption inspissator, this organic gas adsorbs inspissator and comprises: an air stream outlet temperature detecting device, detect the outflow temperature of monitored air-flow; One air flow inlet temperature detecting device is detected the inflow temperature of monitored air-flow; One water sprinkler is controlled its operating state by first control valve, to the adsorption material watering cooling of this organic gas absorption inspissator inside; One fire-retardant gas nozzle is controlled its operating state by second control valve, and the adsorption material of this organic gas absorption inspissator inside is sprayed fire-retardant gas, dilutes the volatile organic matter concentration in the cellular structure of this adsorption material; An and controller, receive the detection signal of this air stream outlet temperature detecting device, this air flow inlet temperature detecting device and this adsorption material temperature detecting device, and compare with the safe temperature parameter of respectively detecting point that sets, and then utilize first control valve to control the operating state of this water sprinkler, utilize second control valve to control the operating state of this fire-retardant gas nozzle.
In addition, an adsorption material temperature detecting device is set further, detects the temperature behind the adsorption material absorption organic gas of this organic gas absorption inspissator inside.
The safety monitoring method of organic gas absorption inspissator of the present invention includes the following step:
A. according to the operating characteristic of organic gas absorption inspissator, set its distinctive safe temperature parameter;
B. detect the inflow and outflow temperature of monitored air-flow;
C. compare the Temperature numerical that detected and the setting value of safe temperature parameter, whether the duty of judging organic gas absorption inspissator safety;
D. carry out the temperature control mechanism of guaranteeing organic gas absorption inspissator duty safety.
Moreover, further detect the temperature behind the adsorption material absorption organic gas of organic gas absorption inspissator inside, and become and relatively reach one of whether safe temperature parameter of the duty of judging organic gas absorption inspissator.
Yet, this temperature controlling machine is made as the adsorption material watering cooling to organic gas absorption inspissator, or spray volatile organic matter (combustible) concentration in the cellular structure of fire-retardant gas dilution adsorption material, or the watering cooling merges with spray fire-retardant gas dilution volatile organic matter (combustible) concentration and uses.
So, if this organic gas absorption inspissator is an adsorption runner, as discoid runner (disc typerotary wheel) or revolving ring type runner (carousel type rotary wheel), this monitored air-flow is the desorption air-flow in this adsorption runner desorption district of flowing through, this air stream outlet temperature detecting device is arranged on the exit in this adsorption runner desorption district, this air flow inlet temperature detecting device is arranged on the porch in this adsorption runner desorption district, this adsorption material temperature detecting device is arranged on the inlet or the exit of this adsorption runner adsorption zone, this water sprinkler is arranged on the exit in this adsorption runner desorption district, arbitrary place of porch, desorption district or adsorption zone porch, this fire-retardant gas nozzle is arranged on the exit in this adsorption runner desorption district.And being the air stream outlet temperature upper limit, the safe temperature parameter that is set in this controller (sprays fire-retardant gas when reaching 150 ℃; watering when reaching 200 ℃); air-flow gateway temperature difference higher limit (is sprayed fire-retardant gas when the air stream outlet temperature reaches when 100 ℃ and air stream outlet temperature surpass 20 ℃ of air flow inlet temperature; watering when the air stream outlet temperature reaches 100 ℃ and air stream outlet temperature and surpasses 50 ℃ of air flow inlet temperature); temperature upper limit behind the adsorption material absorption organic gas (sprays fire-retardant gas when reaching 40 ℃; watering when reaching 50 ℃); the temperature rise rate higher limit of air stream outlet (is sprayed fire-retardant gas when the temperature rise of air stream outlet temperature per minute surpasses 25 ℃; or per minute temperature rise watering) or one of the air stream outlet temperature upper limit (when reaching 50 ℃, spraying fire-retardant gas or watering) when shutting down or its optional matched combined above 45 ℃.
In addition, if this organic gas absorption inspissator is the fluidisation adsorbent bed, this monitored air-flow is the off-gas flows of this fluidisation adsorbent bed adsorption zone of flowing through, this air stream outlet temperature detecting device is arranged on the exit of this fluidisation adsorbent bed, this air flow inlet temperature detecting device is arranged on the porch of this fluidisation adsorbent bed, this adsorption material temperature detecting device is arranged in the adsorption material storage tank of this fluidisation adsorbent bed bottom, this water sprinkler is arranged on the top of this fluidisation adsorbent bed inside, and this fire-retardant gas nozzle is arranged in the adsorption material storage tank of this fluidisation adsorbent bed bottom.And the safe temperature parameter that is set in this controller is that the air stream outlet temperature upper limit is (when reaching 80 ℃, spray fire-retardant gas or watering), air-flow gateway temperature difference higher limit is (when the air stream outlet temperature reaches 50 ℃ and air stream outlet temperature and surpasses 15 ℃ of air flow inlet temperature, spray fire-retardant gas or watering), the temperature upper limit behind the adsorption material absorption organic gas is (when reaching 50 ℃, spray fire-retardant gas or watering) or one of the temperature rise rate higher limit of air stream outlet (when the temperature rise of air stream outlet temperature per minute surpasses 10 ℃, spraying fire-retardant gas or watering) or its optional matched combined.
Moreover, if this organic gas absorption inspissator is a fixed adsorption bed, this monitored air-flow is the off-gas flows of this fixed adsorption bed adsorption zone of flowing through, this air stream outlet temperature detecting device is arranged on the exit of this fixed adsorption bed, this air flow inlet temperature detecting device is arranged on the porch of this fixed adsorption bed, this adsorption material temperature detecting device is arranged in the adsorption zone of this fixed adsorption bed, this water sprinkler is arranged on the top of this fixed adsorption bed inside, and this fire-retardant gas nozzle is arranged on the porch of this fixed adsorption bed.The safe temperature parameter that is set in this controller is that the air stream outlet temperature upper limit is (when reaching 80 ℃, spray fire-retardant gas or watering), air-flow gateway temperature difference higher limit is (when the air stream outlet temperature reaches 50 ℃ and air stream outlet temperature and surpasses 15 ℃ of air flow inlet temperature, spray fire-retardant gas or watering), the temperature upper limit behind the adsorption material absorption organic gas is (when reaching 80 ℃, spray fire-retardant gas or watering) or one of the temperature rise rate higher limit of air stream outlet (when the temperature rise of air stream outlet temperature per minute surpasses 15 ℃, spraying fire-retardant gas or watering) or its optional matched combined.
Again, this fire-retardant gas is nitrogen or carbon dioxide, and this controller is a programmable controller.
Description of drawings:
Fig. 1 is applied in the adsorption runner structural representation for the present invention.
Fig. 2 is applied in fluidisation adsorbent bed structural representation for the present invention.
Fig. 3 is applied in the fixed adsorption bed structural representation for the present invention.
Major label description in figure: 10 adsorption runners, 11 adsorption zones, 12 desorption districts, 13 cooling zones, 20 fluidisation adsorbent beds, 21 porous plates, 22 air-flow dispersion plates, 23 spherical adsorption material, 24 adsorption zones, 25 adsorption material storage tanks, 30 fixed adsorption beds, 31 adsorption zones, 40 air stream outlet temperature detecting devices, 50 air flow inlet temperature detecting devices, 60 adsorption material temperature detecting devices, 70 water sprinklers, 71 first control valves, 80 fire-retardant gas nozzles, 81 second control valves, 90 controllers.
The specific embodiment
Consult Fig. 1, Fig. 2, shown in Figure 3, the safety monitoring device of organic gas absorption inspissator of the present invention is to include in the organic gas absorption inspissator setting such as adsorption runner 10, fluidisation adsorbent bed 20 or fixed adsorption bed 30:
One air stream outlet temperature detecting device 40, detect the outflow temperature of monitored air-flow, wherein, if this organic gas absorption inspissator is an adsorption runner 10, this monitored air-flow is to be the desorption air-flow in these adsorption runner 10 desorption districts 12 that flow through, and this air stream outlet temperature detecting device 40 is arranged on the exit in these adsorption runner 10 desorption districts 12; If this organic gas absorption inspissator is a fluidisation adsorbent bed 20, this monitored air-flow then is the off-gas flows of these fluidisation adsorbent bed 20 adsorption zones 24 of flowing through, and this air stream outlet temperature detecting device 40 is arranged on the exit of this fluidisation adsorbent bed 20; If this organic gas absorption inspissator is a fixed adsorption bed 30, this monitored air-flow is the off-gas flows of these fixed adsorption bed 30 adsorption zones 31 of flowing through, and this air stream outlet temperature detecting device 40 is arranged on the exit of this fixed adsorption bed 30;
One air flow inlet temperature detecting device 50 is detected the inflow temperature of monitored air-flow; Wherein, if this organic gas absorption inspissator is an adsorption runner 10, this monitored air-flow is to be the desorption air-flow in these adsorption runner 10 desorption districts 12 that flow through, and this air flow inlet temperature detecting device 50 is arranged on the porch in these adsorption runner 10 desorption districts 12; If this organic gas absorption inspissator is a fluidisation adsorbent bed 20, this monitored air-flow then is the off-gas flows of these fluidisation adsorbent bed 20 adsorption zones 24 of flowing through, and this air flow inlet temperature detecting device 50 then is arranged on the porch of this fluidisation adsorbent bed 20; If this organic gas absorption inspissator is a fixed adsorption bed 30, this monitored air-flow is the off-gas flows for these fixed adsorption bed 30 adsorption zones 31 of flowing through, and this air flow inlet temperature detecting device 50 is arranged on the porch of this fixed adsorption bed 30;
One adsorption material temperature detecting device 60 is detected the temperature behind the adsorption material absorption organic gas of this organic gas absorption inspissator inside; Wherein, if this organic gas absorption inspissator is an adsorption runner 10, this adsorption material temperature detecting device 60 is arranged on the inlet or the exit of these adsorption runner 10 adsorption zones 11; If this organic gas absorption inspissator is a fluidisation adsorbent bed 20, this 60 of adsorption material temperature detecting device is arranged in the adsorption material storage tank 25 of these fluidisation adsorbent bed 20 bottoms; If this organic gas absorption inspissator is a fixed adsorption bed 30, this adsorption material temperature detecting device 60 is arranged in the adsorption zone 31 of this fixed adsorption bed 30;
One water sprinkler 70 is by first control valve, 71 control action states, to the adsorption material watering cooling of this organic gas absorption inspissator inside; Wherein, if this organic gas absorption inspissator is an adsorption runner 10, this water sprinkler 70 is arranged on the exit in these adsorption runner 10 desorption districts 12, arbitrary place of 12 porch, desorption district or adsorption zone 11 porch; If this organic gas absorption inspissator is a fluidisation adsorbent bed 20,70 of this water sprinklers are arranged on the top of these fluidisation adsorbent bed 20 inside; If this organic gas absorption inspissator is a fixed adsorption bed 30, this water sprinkler 70 is arranged on the top of these fixed adsorption bed 30 inside;
One fire-retardant gas nozzle 80, by second control valve, 81 control action states, to the adsorption material ejection nitrogen of this organic gas absorption inspissator inside or the fire-retardant gas of carbon dioxide, dilute volatile organic matter (combustible) concentration in the cellular structure of this adsorption material; Wherein, if this organic gas absorption inspissator is an adsorption runner 10, this fire-retardant gas nozzle 80 is arranged on the exit in these adsorption runner 10 desorption districts 12; If this organic gas absorption inspissator is a fluidisation adsorbent bed 20, this 80 at fire-retardant gas nozzle is arranged in the adsorption material storage tank 25 of these fluidisation adsorbent bed 20 bottoms; If this organic gas absorption inspissator is a fixed adsorption bed 30, this fire-retardant gas nozzle 80 is arranged on the porch of this fixed adsorption bed 30;
One controller 90 such as programmable controller; receive this air stream outlet temperature detecting device 40; the detection signal of this air flow inlet temperature detecting device 50 and this adsorption material temperature detecting device 60; make comparisons with the safe temperature parameter of each the detecting point that sets; this safe temperature parameter is the air stream outlet temperature upper limit; air-flow gateway temperature difference higher limit; temperature upper limit behind the adsorption material absorption organic gas; one of air stream outlet temperature upper limit when the temperature rise rate higher limit of air stream outlet or shutdown or its optional matched combined; and then pass through the operating state that first control valve 71 is controlled these water sprinklers 70, by the operating state of second control valve, 81 these fire-retardant gas nozzles 80 of control.
Based on such formation, if this organic gas absorption inspissator is an adsorption runner 10, the safe temperature pre-set parameter of its each detecting point is as shown in table 1:
If this organic gas absorption inspissator is a fluidisation adsorbent bed 20, the safe temperature pre-set parameter of its each detecting point is as shown in table 2:
If this organic gas absorption inspissator is a fixed adsorption bed 30, the safe temperature pre-set parameter of its each detecting point is as shown in table 3:
Yet the safety monitoring method of organic gas absorption inspissator of the present invention is to include the following step:
A. according to operating characteristic, set its distinctive safe temperature parameter such as organic gas such as adsorption runner, fluidisation adsorbent bed or fixed adsorption bed absorption inspissator;
B. the inflow of detecting monitored air-flow with flow out temperature, and can further detect the temperature behind the adsorption material absorption organic gas of organic gas absorption inspissator inside;
C. compare the Temperature numerical that detected and the setting value of safe temperature parameter, whether the duty of judging organic gas absorption inspissator safety;
D. carry out the temperature control mechanism of guaranteeing organic gas absorption inspissator duty safety; This temperature controlling machine is made as the adsorption material watering cooling to organic gas absorption inspissator, or spray volatile organic matter (combustible) concentration in the cellular structure of fire-retardant gas dilution adsorption material, or the watering cooling merges with spray fire-retardant gas dilution volatile organic matter (combustible) concentration and uses.
So, the present invention is the operating characteristic of adsorbing inspissator earlier according to organic gas, set its distinctive safe temperature parameter, continue the variations in temperature of the selected reference point of detecting then, whether still in the scope of safety, if variations in temperature exceeds the safe temperature parameter that sets, then with the temperature control mechanism of watering cooling with dilution volatile organic matter (combustible) concentration, make the adsorption material of organic gas absorption inspissator no longer heat, have the effect of guaranteeing organic gas absorption inspissator handling safety.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (20)
1, a kind of safety monitoring device of organic gas absorption inspissator is characterized in that, this organic gas absorption inspissator comprises:
One air stream outlet temperature detecting device is detected the outflow temperature of monitored air-flow;
One air flow inlet temperature detecting device is detected the inflow temperature of monitored air-flow;
One water sprinkler by the first control valve control action state, and is lowered the temperature to the adsorption material watering of this organic gas absorption inspissator inside;
One fire-retardant gas nozzle by the second control valve control action state, and sprays fire-retardant gas to the adsorption material of this organic gas absorption inspissator inside, dilutes the volatile organic matter concentration in the cellular structure of this adsorption material;
One controller, receive the detection signal of this air stream outlet temperature detecting device, this air flow inlet temperature detecting device and this adsorption material temperature detecting device, and make comparisons, and then control the operating state of this water sprinkler and fire-retardant gas nozzle with the safe temperature parameter of each the detecting point that sets.
2, the safety monitoring device of organic gas according to claim 1 absorption inspissator is characterized in that, an adsorption material temperature detecting device further is set, and detects the temperature behind the adsorption material absorption organic gas of this organic gas absorption inspissator inside.
3, the safety monitoring device of organic gas absorption inspissator according to claim 1 and 2, it is characterized in that, described organic gas absorption inspissator is an adsorption runner, this monitored air-flow is the desorption air-flow in this adsorption runner desorption district of flowing through, this air stream outlet temperature detecting device is arranged on the exit in this adsorption runner desorption district, this air flow inlet temperature detecting device is arranged on the porch in this adsorption runner desorption district, this adsorption material temperature detecting device is arranged on the porch or the exit of this adsorption runner adsorption zone, this water sprinkler is arranged on the exit in this adsorption runner desorption district, arbitrary place of porch, desorption district or adsorption zone porch, this fire-retardant gas nozzle is arranged on the exit in this adsorption runner desorption district.
4; the safety monitoring device of organic gas absorption inspissator according to claim 3; it is characterized in that; described controller is controlled the operating state of this water sprinkler by first control valve; control the operating state of this fire-retardant gas nozzle by second control valve; the safe temperature parameter that is set in this controller is that the air stream outlet temperature upper limit (sprays fire-retardant gas when reaching 150 ℃; watering when reaching 200 ℃); air-flow gateway temperature difference higher limit (is sprayed fire-retardant gas when the air stream outlet temperature reaches when 100 ℃ and air stream outlet temperature surpass 20 ℃ of air flow inlet temperature; watering when the air stream outlet temperature reaches 100 ℃ and air stream outlet temperature and surpasses 50 ℃ of air flow inlet temperature); temperature upper limit behind the adsorption material absorption organic gas (sprays fire-retardant gas when reaching 40 ℃; watering when reaching 50 ℃); one of the temperature rise rate higher limit of air stream outlet (when the temperature rise of air stream outlet temperature per minute surpasses 25 ℃, spray fire-retardant gas, or per minute temperature rise watering when surpassing 45 ℃) or the air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 50 ℃) when shutting down or its optional matched combined.
5, the safety monitoring device of organic gas absorption inspissator according to claim 4 is characterized in that described adsorption runner is discoid runner or revolving ring type runner.
6, the safety monitoring device of organic gas absorption inspissator according to claim 2, it is characterized in that, described organic gas absorption inspissator is the fluidisation adsorbent bed, this monitored air-flow is the off-gas flows of this fluidisation adsorbent bed adsorption zone of flowing through, this air stream outlet temperature detecting device is arranged on the exit of this fluidisation adsorbent bed, this air flow inlet temperature detecting device is arranged on the porch of this fluidisation adsorbent bed, this adsorption material temperature detecting device is arranged in the adsorption material storage tank of this fluidisation adsorbent bed bottom, this water sprinkler is arranged on the top of this fluidisation adsorbent bed inside, and this fire-retardant gas nozzle is arranged in the adsorption material storage tank of this fluidisation adsorbent bed bottom.
7, the safety monitoring device of organic gas absorption inspissator according to claim 6, it is characterized in that, described controller is controlled the operating state of this water sprinkler by first control valve, control the operating state of this fire-retardant gas nozzle by second control valve, the safe temperature parameter that is set in this controller is air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃), air-flow gateway temperature difference higher limit (spraying fire-retardant gas or watering when 50 ℃ and air stream outlet temperature surpass 15 ℃ of air flow inlet temperature) when the air stream outlet temperature reaches, one of temperature rise rate higher limit (when the temperature rise of air stream outlet temperature per minute surpasses 10 ℃, spraying fire-retardant gas or watering) of temperature upper limit (spraying fire-retardant gas or watering when reaching 50 ℃) behind the adsorption material absorption organic gas or air stream outlet or its optional matched combined.
8, the safety monitoring device of organic gas absorption inspissator according to claim 2, it is characterized in that, described organic gas absorption inspissator is a fixed adsorption bed, this monitored air-flow is the off-gas flows of this fixed adsorption bed adsorption zone of flowing through, this air stream outlet temperature detecting device is provided with the exit of this fixed adsorption bed of what, this air flow inlet temperature detecting device is arranged on the porch of this fixed adsorption bed, this adsorption material temperature detecting device is arranged in the adsorption zone of this fixed adsorption bed, this water sprinkler is arranged on the top of this fixed adsorption bed inside, and this fire-retardant gas nozzle is arranged on the porch of this fixed adsorption bed.
9, the safety monitoring device of organic gas absorption inspissator according to claim 8, it is characterized in that, described controller is controlled the operating state of this water sprinkler by first control valve, control the operating state of this fire-retardant gas nozzle by second control valve, the safe temperature parameter that is set in this controller is air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃), air-flow gateway temperature difference higher limit (spraying fire-retardant gas or watering when 50 ℃ and air stream outlet temperature surpass 15 ℃ of air flow inlet temperature) when the air stream outlet temperature reaches, one of temperature rise rate higher limit (when the temperature rise of air stream outlet temperature per minute surpasses 15 ℃, spraying fire-retardant gas or watering) of temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃) behind the adsorption material absorption organic gas or air stream outlet or its optional matched combined.
10, according to the safety monitoring device of each described organic gas absorption inspissator in the claim 1 to 9, it is characterized in that described fire-retardant gas is nitrogen or carbon dioxide, this controller is a programmable controller.
11, a kind of safety monitoring method of organic gas absorption inspissator is characterized in that, includes the following step:
A. according to the operating characteristic of organic gas absorption inspissator, set its distinctive safe temperature parameter;
B. detect the inflow and outflow temperature of monitored air-flow;
C. compare the Temperature numerical that detected and the setting value of safe temperature parameter, whether the duty of judging organic gas absorption inspissator safety;
D. carry out the temperature control mechanism of guaranteeing organic gas absorption inspissator duty safety.
12, the safety monitoring method of organic gas absorption inspissator according to claim 11, it is characterized in that, further comprise the temperature behind the adsorption material absorption organic gas of detecting organic gas absorption inspissator inside, and become and relatively reach one of whether safe temperature parameter of the duty of judging organic gas absorption inspissator.
13, the safety monitoring method of organic gas absorption inspissator according to claim 12, it is characterized in that this temperature controlling machine is made as volatile organic matter concentration in the cellular structure of adsorption material watering cooling to organic gas absorption inspissator, the fire-retardant gas dilution adsorption material of spray or watering cooling and merges with the fire-retardant gas dilution volatile organic matter concentration of spray and use.
14, the safety monitoring method of organic gas according to claim 13 absorption inspissator is characterized in that, described organic gas absorption inspissator is an adsorption runner, and this monitored air-flow is the desorption air-flow in this adsorption runner desorption district of flowing through.
15; the safety monitoring method of organic gas absorption inspissator according to claim 14; it is characterized in that; described safe temperature parameter is that the air stream outlet temperature upper limit (sprays fire-retardant gas when reaching 150 ℃; watering when reaching 200 ℃); air-flow gateway temperature difference higher limit (is sprayed fire-retardant gas when the air stream outlet temperature reaches when 100 ℃ and air stream outlet temperature surpass 20 ℃ of air flow inlet temperature; watering when the air stream outlet temperature reaches 100 ℃ and air stream outlet temperature and surpasses 50 ℃ of air flow inlet temperature); temperature upper limit behind the adsorption material absorption organic gas (sprays fire-retardant gas when reaching 40 ℃; watering when reaching 50 ℃); one of the temperature rise rate higher limit of air stream outlet (when the temperature rise of air stream outlet temperature per minute surpasses 25 ℃, spray fire-retardant gas, or per minute temperature rise watering when surpassing 45 ℃) or the air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 50 ℃) when shutting down or its optional matched combined.
16, the safety monitoring method of organic gas according to claim 13 absorption inspissator is characterized in that, described organic gas absorption inspissator is the fluidisation adsorbent bed, and this monitored air-flow is the off-gas flows of this fluidisation adsorbent bed adsorption zone of flowing through.
17, the safety monitoring method of organic gas absorption inspissator according to claim 16, it is characterized in that described safe temperature parameter is air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃), air-flow gateway temperature difference higher limit (spraying fire-retardant gas or watering when 50 ℃ and air stream outlet temperature surpass 15 ℃ of air flow inlet temperature) when the air stream outlet temperature reaches, one of temperature rise rate higher limit (when the temperature rise of air stream outlet temperature per minute surpasses 10 ℃, spraying fire-retardant gas or watering) of temperature upper limit (spraying fire-retardant gas or watering when reaching 50 ℃) behind the adsorption material absorption organic gas or air stream outlet or its optional matched combined.
18, the safety monitoring method of organic gas according to claim 13 absorption inspissator is characterized in that, described organic gas absorption inspissator is a fixed adsorption bed, and this monitored air-flow is the off-gas flows of this fixed adsorption bed adsorption zone of flowing through.
19, the safety monitoring method of organic gas absorption inspissator according to claim 18, it is characterized in that described safe temperature parameter is air stream outlet temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃), air-flow gateway temperature difference higher limit (spraying fire-retardant gas or watering when 50 ℃ and air stream outlet temperature surpass 15 ℃ of air flow inlet temperature) when the air stream outlet temperature reaches, one of temperature rise rate higher limit (when the temperature rise of air stream outlet temperature per minute surpasses 15 ℃, spraying fire-retardant gas or watering) of temperature upper limit (spraying fire-retardant gas or watering when reaching 80 ℃) behind the adsorption material absorption organic gas or air stream outlet or its optional matched combined.
20, according to the safety monitoring method of each described organic gas absorption inspissator in the claim 13 to 19, it is characterized in that described fire-retardant gas is nitrogen or carbon dioxide.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266705A (en) * | 2010-06-04 | 2011-12-07 | 承杰有限公司 | Absorption material fluidizing convolution purifier |
| CN102274673A (en) * | 2010-06-12 | 2011-12-14 | 承杰有限公司 | Adsorption material fluidization fixed type purifier |
| CN106731473A (en) * | 2017-03-16 | 2017-05-31 | 上海兰宝环保科技有限公司 | Industrial organic waste-gas purification device |
| TWI809590B (en) * | 2021-12-08 | 2023-07-21 | 漢科系統科技股份有限公司 | Programmable energy saving system |
-
2008
- 2008-08-22 CN CN200810147162A patent/CN101653686A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266705A (en) * | 2010-06-04 | 2011-12-07 | 承杰有限公司 | Absorption material fluidizing convolution purifier |
| CN102274673A (en) * | 2010-06-12 | 2011-12-14 | 承杰有限公司 | Adsorption material fluidization fixed type purifier |
| CN106731473A (en) * | 2017-03-16 | 2017-05-31 | 上海兰宝环保科技有限公司 | Industrial organic waste-gas purification device |
| TWI809590B (en) * | 2021-12-08 | 2023-07-21 | 漢科系統科技股份有限公司 | Programmable energy saving system |
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