CN211098327U - VOCs processing system with preliminary treatment, zeolite runner and RTO - Google Patents
VOCs processing system with preliminary treatment, zeolite runner and RTO Download PDFInfo
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- CN211098327U CN211098327U CN201921501842.XU CN201921501842U CN211098327U CN 211098327 U CN211098327 U CN 211098327U CN 201921501842 U CN201921501842 U CN 201921501842U CN 211098327 U CN211098327 U CN 211098327U
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Abstract
The utility model relates to an organic matter processing technology field, and disclose a VOCs processing system with preliminary treatment, zeolite runner and RTO, total accuse machine utilizes serial communication line to be connected with preprocessing device, exhaust treatment device and, on preprocessing device's output was connected to exhaust treatment device's input, exhaust treatment device's output was connected to on regenerative oxidation furnace's the input, total accuse machine will be according to the parameter setting of system, carries out P L C automatic control through monitoring values such as fan, valve, temperature, pressure, humidity and concentration, and total accuse machine record and analysis collect the data and the operating mode of each unit spare, are convenient for carry out real-time regulation and control to each unit spare to guarantee the harmony of mutually supporting between each unit spare, through the operating condition of total accuse machine real time monitoring whole processing procedure, process, can in time discover the unusual of some operating modes, send the warning unit spare, remind the staff to take effective measure, improved the ability of prevention accident.
Description
Technical Field
The invention relates to the technical field of organic matter treatment, in particular to a VOCs (volatile organic compounds) treatment system with pretreatment, a zeolite rotating wheel and an RTO (regenerative thermal oxidizer).
Background
The Organic Substances (VOCs) form fine particulate matter (PM2.5) and ozone (O)3) And the important precursors of secondary pollutants, and further causes atmospheric environmental problems such as dust haze, photochemical smog and the like. With the rapid development of industrialization and urbanization in China and the continuous increase of energy consumption, regional compound air pollution characterized by PM2.5 is increasingly prominent, the frequency of the phenomenon of heavy air pollution in the region is increased in a large range, the sustainable development of social economy is seriously restricted, and the health of people is threatened. To fundamentally solve PM2.5, O3And the quality of the atmospheric environment is really improved due to the pollution problem. However, the basic of prevention and control of VOCs pollution in China is weak, and the problems of unclear discharge base number, unsound regulation standards, lagged control technology application, inadequate environmental supervision and the like exist. Meanwhile, the difficulty in establishing a VOCs pollution control system is high due to the fact that VOCs are complex in emission source, various in emission form and various in material variety. The existing VOCs on-line monitoring system has the advantages of complex integration, large volume, low instrument function configuration, high cost, low production efficiency, incapability of separating special gas factors and single functionality.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the VOCs treatment system with pretreatment, zeolite rotating wheels and RTO, which has the advantages of improving the treatment effect of organic matters, reducing resource waste and the like, and solves the problems of complex integration, large volume, low instrument function configuration, high cost, low production efficiency, incapability of separating special gas factors and single functionality of the conventional VOCs online monitoring system.
(II) technical scheme
In order to achieve the purposes of improving the treatment effect of organic matters and reducing resource waste, the invention provides the following technical scheme that the VOCs treatment system with the pretreatment, the zeolite rotating wheel and the RTO comprises a master control machine, wherein the master control machine is connected with a pretreatment device, a waste gas treatment device and a regenerative oxidation furnace by using a serial communication line, the output end of the pretreatment device is connected to the input end of the waste gas treatment device, the output end of the waste gas treatment device is connected to the input end of the regenerative oxidation furnace, the master control machine carries out P L C automatic control through monitoring values of a fan, a valve, temperature, pressure, humidity, concentration and the like according to the parameter setting of the system, single equipment of the whole system, such as the rotating wheel, the fan, the valve, the RTO and the like, can be independently and manually opened and closed, and the master control machine is a computer and is used for detecting, recording, analyzing and collecting single element data and working conditions of each single.
Furthermore, the pretreatment device comprises a temperature and humidity controller and a three-level dry filter, the filtration grades are respectively G4, F7 and F9, the filters in different grades are in modular design and convenient to assemble, online pressure difference transmitters are arranged at the front and the rear of the filters to ensure the normal, safe and stable operation of the waste gas treatment system, the G4-level primary filtration adopts a fracture-resistant glass fiber filtration material, the fibers are in a gradually increasing structure, the average capture rate of paint mist is up to more than 95%, the temperature resistance is 80 ℃, the high-efficiency filtration materials in F7 and F9 are non-woven fabrics formed by organic synthetic fibers and are in a gradually increasing fiber structure, the average capture efficiency is up to more than 99%, and the temperature resistance is 90 DEG C
Furthermore, the preprocessing device is provided with an air inducing device, the air inducing device comprises an air pipe and a fan, the air pipe is used for connecting the air inlet of the fan and the air inlet of the air processing equipment, the fan provides air flowing power for a mechanical exhaust system, and the air pressure and the air quantity of the fan are two key values and must be analyzed and calculated accurately.
Furthermore, the fan motor is provided with a frequency converter for adjustment, and the output is automatically adjusted according to the actual air quantity and the rear end pressure loss according to the pressure sensor at the front end of the filter, so that the energy-saving effect is achieved.
Furthermore, the output end of the fan is connected with a spray tower, waste gas treated by the fan and the frequency converter is sent into the spray tower, pollutants in the gas are conveyed into the liquid by utilizing the contact between the gas and the liquid, then the clean gas is separated from the polluted liquid, and the aim of cleaning air is achieved. A packing pressing plate is arranged above the packing to prevent the packing from being blown by ascending air flow, and liquid is sprayed onto the packing from the top of the tower through a liquid distributor and flows down along the surface of the packing
Furthermore, the output end of the spray tower is connected with a dehumidifying filter, waste gas after being treated by the spray tower is conveyed to the dehumidifying filter, the dehumidifying filter is designed into a multi-pleat type filter material, a ventilation air flow channel can be formed, the area and the air supply quantity of the filter material are increased, the air supply resistance is reduced, the contact area and the contact time of the waste gas and the filter material are increased, and the dehumidifying effect is improved.
Furthermore, the output end of the dehumidifying filter is connected with a heat exchanger, the heat exchanger is arranged around the dehumidifying filter and the spray tower, and the treated waste gas in the heat exchanger absorbs heat from the waste gas of the dehumidifying filter and the spray tower, so that convenience is brought to the next treatment operation.
Furthermore, the waste gas treatment is to use a zeolite molecular sieve adsorption concentration device to concentrate the organic waste gas with low concentration and large air volume into organic waste gas with high concentration and small air volume, thereby reducing the equipment investment cost and the operation cost, namely the zeolite molecular sieve adsorption concentration rotating wheel.
Further, the zeolite molecular sieve rotating wheel also comprises a temperature controller, a gas supply device and a dust filter, the temperature of a zeolite rotating wheel concentration system is monitored on line, original waste gas is linked with the natural gas supply of an incineration system, when the temperature in the zeolite rotating wheel device is higher than a set value, the system immediately sends out an acousto-optic alarm, meanwhile, the original waste gas and the natural gas supply of the incineration system are automatically cut off, the bypass function of the incineration system is started, the pressure of the zeolite rotating wheel concentration system is monitored on line and is linked with the original waste gas and the natural gas supply of the incineration system, when the pressure reaches the set value, the system immediately sends out the acousto-optic alarm, an operator is reminded of cleaning the system, the original waste gas and the natural gas supply of the incineration system.
Furthermore, the Regenerative Thermal Oxidizer (RTO) adopts a high-temperature oxidation method to treat the VOCs waste gas, and the VOCs waste gas is combusted in a combustion chamber to generate oxidation reaction to generate carbon dioxide (CO)2) And water (H)2O) and releases heat, the regenerative oxidation furnace comprises a regenerative chamber A, a burner, a regenerative chamber B, a regenerative chamber C and regenerative ceramics.
Furthermore, a switching valve is arranged on the regenerative oxidation furnace, and the performance of the wind direction switching valve is very critical to the operation of RTO equipment, so that the wind direction switching valve in the system adopts PV lift valves, the valve precision is high, the leakage amount is small (less than or equal to 0.05%), the service life is long (up to 100 ten thousand times), the opening and closing are rapid (less than or equal to 1 s), and the operation is reliable; the actuating mechanism adopts a pneumatic actuator and comprises an electromagnetic valve and a cylinder, the cylinder is an SMC brand, and the compressed air pressure of the pneumatic actuating mechanism is 0.4-0.8 MPa.
Furthermore, an output end of the regenerative oxidation furnace is provided with a detection instrument and a filter device, the detection instrument is used for detecting the working condition in the regenerative oxidation furnace, so that the regenerative oxidation furnace reaches the optimal working condition, the oxidation-reduction reaction is maximized, and meanwhile, the filter device is used for further filtering the dust particle content of the gas after the organic waste gas discharged to the air is treated.
The output end of the regenerative oxidation furnace is also provided with three return pipes which are respectively connected to the pretreatment device, the waste gas treatment device and the input end of the regenerative oxidation furnace, the communication state of the return pipe pretreatment device, the waste gas treatment device and the input end of the regenerative oxidation furnace is controlled by a valve, and the return pipe, the pretreatment device, the waste gas treatment device and the valve at the input end of the regenerative oxidation furnace are selectively opened by analyzing and judging the detection result of the organic detector by a master control machine, so that the waste gas which is not completely treated is treated once, and the treated waste gas reaches the emission standard.
(III) advantageous effects
Compared with the prior art, the invention provides a VOCs treatment system with pretreatment, zeolite rotating wheels and RTO, which has the following beneficial effects:
1. the VOCs treatment system with the functions of the pretreatment system, the zeolite rotating wheel and the RTO is characterized in that an organic matter detector is further arranged on the output end of the regenerative oxidation furnace to detect the organic matter content of the gas to be discharged and judge whether the discharged gas reaches the standard or not by contrasting relevant standards, three return pipes are fixedly arranged on the output end of the regenerative oxidation furnace and are respectively connected to the pretreatment device, the waste gas treatment device and the input end of the regenerative oxidation furnace, the communication state of the return pipe pretreatment device, the waste gas treatment device and the input end of the regenerative oxidation furnace is controlled by a valve, the valves of the return pipe and the pretreatment device, the waste gas treatment device and the input end of the regenerative oxidation furnace are selectively opened by analyzing and judging the detection result of the organic detector by a master control machine, and the waste gas which is not completely treated is treated once by new treatment, the treated waste gas reaches the emission standard, and the three return pipes are arranged to carry out secondary treatment aiming at the waste gas, so that unnecessary resource waste is reduced.
2. The VOCs treatment system with the pretreatment system, the zeolite rotating wheel and the RTO function uses the hydrophobic zeolite molecular sieve, and can be regenerated at high temperature by utilizing the characteristics of incombustibility and high heat resistance, so that the VOCs with high boiling points which cannot be treated due to the limitation of regeneration temperature when the activated carbon is used can also be treated, and the zeolite molecular sieve rotating wheel is formed by sintering treatment at high temperature and is completely a combination of inorganic substances. Water washing may be performed if a honeycomb path is clogged. In addition, the zeolite molecular sieve rotor may be activated at a high temperature by heat treatment according to the actual situation.
3. This VOCs processing system with pretreatment systems, zeolite runner and RTO function sets up dust filter through zeolite molecular sieve runner and can carry out filtration treatment with dust and impurity that carry in the organic waste gas to effectively avoid appearing blockking up the problem of the inside zeolite molecular sieve of runner.
4. This VOCs processing system with pretreatment systems, zeolite runner and RTO function, be provided with detecting instrument and filter equipment on the output of regenerative oxidation furnace, utilize detecting instrument to detect the interior operating mode of regenerative oxidation furnace, make regenerative oxidation furnace reach best operating mode, the redox reaction maximize, utilize filter equipment further to filter the dust particle content of the gas after the organic waste gas treatment who discharges the air simultaneously, improve the exhaust-gas treatment effect
5. This VOCs processing system with preprocessing system, zeolite runner and RTO function, the master control machine is used for detecting, record and analysis collect data and the operating mode of each unit spare, be convenient for carry out real-time regulation and control to each unit spare, in order to guarantee the harmony of mutually supporting between each unit spare, improve the treatment effect of organic matter, record the whole process of exhaust-gas treatment at every turn simultaneously, record data wherein, provide the reference for the exhaust-gas treatment of next time, through the working condition of the whole processing procedure of master control machine real time monitoring, the process, can in time discover the unusual of some unit spare operating modes, send out the warning, remind the staff to take effective measure, the ability of prevention accident has been improved.
6. This VOCs processing system with pretreatment systems, zeolite runner and RTO function, the waste gas after the spray column is handled carries the dehumidification filter in, and the dehumidification filter design can form the ventilation air current passageway for the filter material of many pleats formula, increases filter material area and air supply volume, reduces the resistance of air feed, increases the area of contact and the contact time of waste gas and filter material, improves dehumidification effect.
Drawings
FIG. 1 is a general diagram of the present invention;
FIG. 2 is a schematic diagram of the control principle of the present invention;
FIG. 3 is a system diagram of a pretreatment apparatus according to the present invention;
FIG. 4 is a system diagram of an exhaust treatment device according to the present invention;
fig. 5 is a system diagram of a regenerative thermal oxidizer according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a VOCs processing system with a preprocessing unit, a zeolite rotating wheel and an RTO includes a master controller, the master controller is connected with a preprocessing unit, a waste gas processing unit and a regenerative oxidation furnace by a serial communication line, an output end of the preprocessing unit is connected to an input end of the waste gas processing unit, an output end of the waste gas processing unit is connected to an input end of the regenerative oxidation furnace, the master controller performs P L C automatic control through monitoring values such as a fan, a valve, temperature, pressure, humidity and concentration according to parameters of the system, the rotating wheel, the fan, the valve and the RTO of the whole system can be independently and manually turned on and off, the master controller is a computer for detecting, recording, analyzing and collecting data and working conditions of each unit, so as to facilitate real-time regulation and control of each unit, so as to ensure coordination between each unit, improve processing effect of organic matters, record all processes of each waste gas processing, record data therein, provide reference for next waste gas processing, monitor working conditions of the whole processing unit in real time, and remind workers of abnormal working conditions, and take effective measures.
The pretreatment device comprises a temperature and humidity controller, because the waste gas in a workshop is firstly sprayed by a spraying device, the humidity of the waste gas is obviously higher, and the purification efficiency of the rotating wheel can be reduced by high-humidity waste gas, so the temperature and humidity regulation function is required to be carried out before the waste gas enters the zeolite molecular sieve rotating wheel, and the purification efficiency of the zeolite molecular sieve rotating wheel is rapidly reduced when the relative humidity of the waste gas exceeds 80% at a certain temperature, so in order to improve the purification efficiency, the relative humidity of the waste gas is required to be reduced to be below 80%, the temperature of the waste gas is about 20-30 ℃, according to engineering experience, the relative humidity of the waste gas is about 80%, the temperature of the gas after RTO treatment and heat exchange is about 150 ℃, part of the gas is introduced into a mixing main pipe in front of the molecular sieve rotating wheel, and the opening degree of a control valve on an RTO, the requirement of high purification efficiency of the zeolite molecular sieve rotating wheel is met.
The pretreatment device also comprises a three-level dry filter, the three-level dry filter is arranged at the front end of the molecular sieve rotating wheel, the filtering grades are G4, F7 and F9 respectively, the filters with different grades are in modular design and convenient to assemble, online differential pressure transmitters are arranged at the front and the rear of the filter, so that the normal, safe and stable operation of the waste gas treatment system is ensured, the G4-level primary filtration adopts a fracture-resistant glass fiber filtering material, the fiber is in a gradually increasing structure, the average capture rate of paint mist is up to more than 95%, the temperature resistance is 80 ℃, the F7 and the F9 high-efficiency filtering material is non-woven fabrics formed by organic synthetic fibers, the gradually increasing fiber structure is adopted, the average capture rate is up to more than 99%, and the temperature.
The pretreatment device is also provided with an air inducing device, the air inducing device comprises an air pipe and a fan, the air pipe is used for connecting the fan and an air inlet of the air treatment device, the fan provides air flow power for a mechanical exhaust system, the air pressure and the air volume of the fan are two key values, the two key values are analyzed and calculated accurately, the difference between the calculated data and the actual operation value is not more than 10 percent, and the fan can work in a high-efficiency area within the range; if the performance requirement of the fan is high, such as air quantity and air pressure, and the noise of the fan is not strict, the rotating speed of the fan can be selected to be higher. If the fan noise is required to be lower, the rotating speed of the fan can be selected to be lower, the same air quantity is met, the air pressure performance needs to widen the blades or increase the number of the blades, the cost of the fan rises, the reason that the pipeline possibly leaks air and the like is considered, generally, a safety factor is multiplied on the basis of the air quantity and the air pressure required by a system, the air quantity and the air pressure of the fan are determined, the safety factor is added to the air quantity, the fan motor is provided with a frequency converter for adjustment, and according to a pressure sensor at the front end of a filter, the output is automatically adjusted according to the actual air quantity and the pressure.
The output end of the fan is connected with a spray tower, waste gas treated by the fan and a frequency converter is sent into the spray tower, pollutants in the gas are conveyed into the liquid by utilizing the contact between the gas and the liquid, then clean gas is separated from the polluted liquid, and the aim of cleaning air is achieved. And a packing pressing plate is arranged above the packing to prevent the packing from being blown by ascending air flow, and liquid is sprayed onto the packing from the top of the tower through a liquid distributor and flows down along the surface of the packing.
The output of spray tower is connected with the dehumidification filter, and the waste gas after the spray tower is handled carries the dehumidification filter in, the dehumidification filter design can form the ventilation air current passageway for the filter material of many pleats formula, increases filter material area and air supply volume, reduces the resistance of air feed, increases the area of contact and the contact time of waste gas and filter material, improves dehumidification effect.
The output end of the dehumidifying filter is connected with a heat exchanger, the heat exchanger is arranged around the dehumidifying filter and the spray tower, and the treated waste gas in the heat exchanger absorbs heat from the waste gas of the dehumidifying filter and the spray tower, so that convenience is provided for next-step treatment operation.
The waste gas treatment is characterized in that a zeolite molecular sieve adsorption concentration rotating wheel is used for concentrating organic waste gas with low concentration and large air volume into organic waste gas with high concentration and small air volume, so that the equipment investment cost and the operation cost are reduced, namely, the zeolite molecular sieve adsorption concentration rotating wheel is divided into three functional regions of an adsorption region, a desorption region and a cooling region, each region is separated by a heat-resistant and solvent-resistant sealing material, the zeolite molecular sieve rotating wheel continuously operates in each functional region, a pre-filter is arranged on the zeolite molecular sieve adsorption concentration rotating wheel, the waste gas is sent to the adsorption region of the zeolite molecular sieve rotating wheel after passing through the pre-filter, VOCs in the organic waste gas in the adsorption region (the area of the adsorption region is S1) are adsorbed and removed by the zeolite molecular sieve, the organic waste gas is discharged from the treatment region of the zeolite molecular sieve rotating wheel after being purified, the VOCs adsorbed in the molecular sieve rotating wheel are desorbed in the desorption region (the area of the desorption region is S2) through hot air, And (3) concentrating, wherein the concentration multiple is generally 5-25 times, the regenerated zeolite molecular sieve rotating wheel is cooled in a cooling zone, and the waste gas passing through the cooling zone is heated and then used as regenerated air, so that the energy-saving effect is achieved.
The zeolite molecular sieve rotating wheel also comprises a temperature controller, a gas supply device and a dust filter, the temperature of a zeolite rotating wheel concentration system is monitored on line, original waste gas is interlocked with the natural gas supply of a burning system, when the temperature in the zeolite rotating wheel device is higher than a set value, the system immediately sends out an audible and visual alarm, simultaneously, the supply of the original waste gas and the natural gas supply of the burning system is automatically cut off, the bypass function of the burning system is started, the pressure of the zeolite rotating wheel concentration system is monitored on line and is interlocked with the supply of the original waste gas and the natural gas supply of the burning system, when the pressure reaches the set value, the system immediately sends out the audible and visual alarm to remind an operator to clean the system, simultaneously, the supply of the original waste gas and the natural gas supply of the burning system is cut off, the burning system, thereby effectively avoiding the problem of blocking the zeolite molecular sieve in the rotating wheel.
The Regenerative Thermal Oxidizer (RTO) adopts a high-temperature oxidation method to treat VOCs waste gas, and the VOCs waste gas is combusted in a combustion chamber to generate oxidation reaction to generate carbon dioxide (CO)2) And water (H)2O) and releases heat, the regenerative oxidation furnace comprises a regenerative chamber A, a burner, a regenerative chamber B, a regenerative chamber C and a storage chamberThe organic waste gas after heat exchange in the heat accumulating ceramic heat chamber is reacted in the combustor at relatively high temperature to oxidize and decompose organic matter into CO2And harmless H2O, if the temperature of the waste gas does not reach the oxidation temperature, the waste gas is directly heated by the burner to compensate the oxidation temperature, because the waste gas is preheated in the regenerator A, the waste gas enters the combustion chamber to be properly heated so as to reach the oxidation temperature (if the concentration of the waste gas is high enough, natural gas can not be needed for heating during oxidation, and spontaneous combustion can be maintained by heat released by oxidative decomposition of organic matters), the oxidized high-temperature gas is discharged through the ceramic C-storage heat body, the whole set of RTO body is made of a Q235 carbon steel plate with the thickness of 6mm, reinforcing ribs are arranged on the outer surface, a refractory ceramic fiber heat-preservation layer is lined, the shell has good sealing performance, and is provided with an inspection port, a temperature and pressure detection instrument, the outer surface temperature of the furnace body is, the combustor is used for supplementing auxiliary heat in system temperature rise and normal operation, and the combustion control system comprises a combustion controller, a flame detector, a high-pressure igniter and a corresponding valve assembly.
The regenerative oxidation furnace is provided with a switching valve, and the performance of the wind direction switching valve is very critical to the operation of RTO equipment, so that the wind direction switching valve in the system completely adopts PV lift valves, the valve precision is high, the leakage amount is small (less than or equal to 0.05%), the service life is long (up to 100 ten thousand times), the on-off is rapid (less than or equal to 1 s), and the operation is reliable; the actuating mechanism adopts a pneumatic actuator and comprises an electromagnetic valve and a cylinder, the cylinder is an SMC brand, and the compressed air pressure of the pneumatic actuating mechanism is 0.4-0.8 MPa.
The output end of the regenerative oxidation furnace is provided with a detection instrument and a filter device, the detection instrument is used for detecting the working condition in the regenerative oxidation furnace, so that the regenerative oxidation furnace reaches the optimal working condition, the oxidation-reduction reaction is maximized, and meanwhile, the filter device is used for further filtering the dust particle content of the gas discharged into the air after the organic waste gas is treated, so that the waste gas treatment effect is improved.
The output end of the regenerative oxidation furnace is also provided with three return pipes which are respectively connected to the pretreatment device, the waste gas treatment device and the input end of the regenerative oxidation furnace, the communication state of the return pipe pretreatment device, the waste gas treatment device and the input end of the regenerative oxidation furnace is controlled by a valve, the analysis and the judgment of the detection result of the organic detector are carried out by a general control machine, the return pipe, the pretreatment device, the waste gas treatment device and the valve of the input end of the regenerative oxidation furnace are selected to be opened, the waste gas which is not completely treated is treated once again, the treated waste gas reaches the emission standard, and the three return pipes are arranged for secondary treatment, unnecessary resource waste is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A VOCs processing system with pretreatment, zeolite turning wheels and RTO, comprising a master control machine, characterized in that: the main control machine is connected with a pretreatment device, a waste gas treatment device and a heat accumulating type oxidation furnace through serial communication lines, the output end of the pretreatment device is connected to the input end of the waste gas treatment device, the output end of the waste gas treatment device is connected to the input end of the heat accumulating type oxidation furnace, an organic matter detector is further arranged on the output end of the heat accumulating type oxidation furnace, three return pipes are fixedly arranged on the output end of the heat accumulating type oxidation furnace, the three return pipes are respectively connected to the pretreatment device, the waste gas treatment device and the input end of the heat accumulating type oxidation furnace, and the communication states of the return pipe pretreatment device, the waste gas treatment device and the input end of the heat accumulating type oxidation furnace are controlled through valves.
2. A system for treating VOCs with pretreatment, zeolite rotor and RTO as claimed in claim 1, wherein: the pretreatment device comprises a temperature and humidity controller and a three-stage dry filter.
3. A system for treating VOCs with pretreatment, zeolite rotor and RTO as claimed in claim 1, wherein: the pretreatment device is also provided with an air inducing device, the air inducing device comprises an air pipe and a fan, the air pipe is connected with the fan and an air inlet of the air treatment device, and the fan provides air flowing power for the mechanical air exhaust system.
4. A system for treating VOCs with pretreatment, zeolite rotor and RTO according to claim 3, wherein: the output of fan is connected with the spray column, the output of spray column is connected with dehumidification filter, dehumidification filter's output is connected with the heat exchanger, and in the waste gas that has handled through fan and converter sent into the spray column, the waste gas after having handled through the spray column was carried dehumidification filter, with the heat exchanger setting around dehumidification filter and spray column, the waste gas after the processing in the heat exchanger absorbs the heat from the waste gas of dehumidification filter and spray column.
5. A system for treating VOCs with pretreatment, zeolite rotor and RTO as claimed in claim 1, wherein: the zeolite molecular sieve rotating wheel is divided into three functional areas of an adsorption area, a desorption area and a cooling area, and each area is separated by a heat-resistant and solvent-resistant sealing material.
6. A system for treating VOCs with pretreatment, zeolite rotor and RTO as claimed in claim 1, wherein: the zeolite molecular sieve rotating wheel also comprises a temperature controller, a gas supply device and a dust filter.
7. A system for treating VOCs with pretreatment, zeolite rotor and RTO as claimed in claim 1, wherein: and the output end of the regenerative oxidation furnace is provided with a detection instrument and a filtering device.
8. A system for treating VOCs with pretreatment, zeolite rotor and RTO as claimed in claim 1, wherein: and an organic matter detector is also arranged on the output end of the heat accumulating type oxidation furnace and is used for detecting the organic matter content of the gas to be discharged.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433616A (en) * | 2019-09-10 | 2019-11-12 | 广东紫方环保技术有限公司 | A kind of VOCs processing system with pretreatment, zeolite runner and RTO |
| CN112546812A (en) * | 2020-12-30 | 2021-03-26 | 华夏碧水环保科技有限公司 | VOCSWaste gas RTO heat storage combustion treatment system and use method thereof |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433616A (en) * | 2019-09-10 | 2019-11-12 | 广东紫方环保技术有限公司 | A kind of VOCs processing system with pretreatment, zeolite runner and RTO |
| CN112546812A (en) * | 2020-12-30 | 2021-03-26 | 华夏碧水环保科技有限公司 | VOCSWaste gas RTO heat storage combustion treatment system and use method thereof |
| CN112546812B (en) * | 2020-12-30 | 2022-03-25 | 华夏碧水环保科技有限公司 | VOCSWaste gas RTO heat storage combustion treatment system and use method thereof |
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