CN213810662U - High security, RTO formula VOCs processing system integrates - Google Patents
High security, RTO formula VOCs processing system integrates Download PDFInfo
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- CN213810662U CN213810662U CN202022685050.1U CN202022685050U CN213810662U CN 213810662 U CN213810662 U CN 213810662U CN 202022685050 U CN202022685050 U CN 202022685050U CN 213810662 U CN213810662 U CN 213810662U
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Abstract
The utility model relates to a high-safety integrated RTO type VOCs treatment system, which comprises an absorption and desorption device, an air replacement device, a heat storage-heat exchange thermal combustion integrated device and an exhaust fan; the adsorption and desorption device is connected with the heat storage-heat exchange thermal combustion integrated device through a connecting pipe II, the heat storage-heat exchange thermal combustion integrated device is connected with an exhaust fan through a connecting pipe III, and thick air is arranged in the connecting pipes II and IIIA degree sensor; VOCs processing system still is equipped with temperature regulation control system, temperature regulation control system includes 1#The system comprises a VOCs concentration sensor, a temperature measuring sensor and an information acquisition and calculation module I; an information acquisition and calculation module II; can perform VOCSConcentration control improves the system security performance and rationally adjusts the temperature of burning according to VOCs concentration change, the energy can be saved, the risk of explosion caused by too high VOCS concentration has been avoided simultaneously, system structure is compact, and the degree of integrating is high.
Description
Technical Field
The invention relates to the field of purification of air pollution VOCs, in particular to a high-safety integrated RTO (regenerative thermal oxidizer) type VOCs treatment system.
Background
VOCSIs a general name of a class of organic compounds which are volatile at normal temperature. It includes various organic hydrocarbons, halogenated hydrocarbons, etc. VOCSPart of organic matters in the product are harmful to human bodies and harm the environment; VOCSThe concentration is too high, so that the combustion and explosion are easy to occur, and disaster hidden danger is brought to related industries.
Current VOCSThe treatment technology of (2) is divided into two main categories of recovery treatment and oxidation treatment. And (3) recovery treatment: condensation, membrane separation, adsorption and absorption; oxidation treatment: direct combustion, regenerative combustion, catalytic combustion, biological treatment, and low-temperature plasma treatment. Regenerative thermal combustion (RTO) technology is currently used more frequently.
The following problems exist in the treatment of VOCs by the RTO technology: the integration level is low, and the energy consumption is high. Therefore, it is necessary to develop a system with high integration, low power consumption and high safety.
The invention patent 201710784279.0 discloses a temperature regulating system and a regulating process of an RTO oxidation furnace, the system makes organic waste gas enter an RTO regenerator through a switching valve, the organic waste gas enters an oxidation chamber for combustion after being heated by a regenerator, high-temperature purified gas after combustion enters the regenerator again, the high-temperature purified gas after combustion is discharged to a chimney through a draught fan after being cooled, and when the temperature of the RTO oxidation chamber exceeds the normal operation temperature of the RTO by more than 850 ℃, a circulating cooling loop is started for circulating air supplement, so that the normal operation of the system is ensured. And introducing part of the purified gas into an oxidation chamber or mixing the purified gas with the waste gas, and controlling the flow of the purified gas by an adjusting valve after the induced draft fan. And introducing part of the purified gas into the oxidation chamber, and adjusting the temperature of the oxidation chamber by using the low temperature of the purified gas. And part of purified gas is introduced to be mixed with the waste gas, so that the content of VOCs is reduced, the temperature of the oxidation chamber is adjusted, and the normal operation of the temperature of the whole RTO oxidation furnace is ensured. But the system does not reasonably control the content of VOCs so as to improve the safety performance of the equipment.
Invention patent 201621175757.5 provides a VOCSThe concentration can be adjustedThe RTO incineration system comprises an incinerator inlet pipeline, an RTO incinerator, a fan and a chimney which are sequentially connected, a first adsorption tower, a second adsorption tower, VOCs inlet pipelines respectively connected with the lower parts of the first adsorption tower and the second adsorption tower, and desorption gas inlet pipelines respectively connected with the tops of the first adsorption tower and the second adsorption tower, wherein a remote transmission concentration monitor is arranged on the incinerator inlet pipeline. The desorption gas inlet pipeline is provided with a remote flow meter and a pneumatic regulating valve. The remote transmission concentration monitor is respectively interlocked with the remote transmission flowmeter and the pneumatic regulating valve. The utility model discloses a control and treatment to big amount of wind, concentration low and unstable VOCS waste gas have important meaning. But the system can not reasonably control the temperature, thereby saving energy consumption.
Disclosure of Invention
In order to compensate the deficiency of the prior art, the utility model aims at providing a high security, RTO formula VOCs processing system integrates, system compact structure integrates the degree height, can carry out VOCSConcentration control improves the system security performance and reasonably adjusts the burning temperature according to the concentration change of VOCs, saves energy, and avoids the risk of explosion caused by overhigh concentration of VOCS.
The utility model aims at realizing the following technical proposal, the high-safety integrated RTO type VOCs treatment system comprises an absorption and desorption device, an air replacement device, a heat storage-heat exchange thermal combustion integrated device and an exhaust fan; the air replacement device comprises an inlet II and an outlet II, and the heat storage-heat exchange thermal combustion integrated device comprises an inlet III and an outlet III; the technical key points are as follows: the adsorption and desorption device comprises an inlet I, an outlet I, a secondary purified gas inlet and an organic waste gas inlet, and the exhaust fan comprises an inlet IV, an outlet IV and an exhaust port;
an outlet II of the air replacement device is connected with an inlet I of the adsorption and desorption device through a connecting pipe I; an outlet I of the adsorption and desorption device is connected with an inlet III of the heat storage-heat exchange thermal combustion integrated device through a connecting pipe II; an outlet III of the heat storage-heat exchange thermal combustion integrated device is connected with an inlet IV of an exhaust fan through a connecting pipe III, and an outlet IV of the exhaust fan is connected with the inlet IV of the exhaust fan through a connecting pipe IIIThe pipe IV is connected with a secondary purified gas inlet of the adsorption and desorption device; the inside of the connecting pipe II is provided with 1#VOCs concentration sensor, be provided with 2 in the connecting pipe III#A VOCs concentration sensor; and a valve is arranged on the connecting pipe IV.
Furthermore, the VOCs treatment system is also provided with a temperature regulation control system, and the heat storage-heat exchange thermal combustion integrated device is provided with a temperature regulator and a temperature measurement sensor;
the temperature regulation control system comprises a temperature regulation control system 1#The system comprises a VOCs concentration sensor, a temperature measuring sensor and an information acquisition and calculation module I; an information acquisition and calculation module II;
1 is described#The VOCs concentration sensor is connected with an information acquisition and calculation module I, the information acquisition and calculation module I is connected with a temperature regulator, and the temperature measurement sensor is connected with the information acquisition and calculation module I; 1 is described#The VOCs concentration sensor is connected with an information acquisition and calculation module II, and the information acquisition and calculation module II controls the on-off of the air replacement device.
The utility model has the advantages that:
can perform VOCSConcentration control, improved system safety, reasonable combustion temperature adjustment according to VOCs concentration change, energy saving, and avoidance of VOCSThe risk of explosion caused by too high concentration; the system has compact structure and high integration degree.
Drawings
FIG. 1 is a schematic diagram of the organic gas trend of the present invention;
FIG. 2 is a schematic view of the structural connection of the present invention;
fig. 3 is a connection diagram of the temperature regulation control system.
In fig. 1 to 3, specific names of the respective structures are: an absorption and desorption device 1, an inlet I1-1, an outlet I1-2, a secondary purified gas inlet 1-3, an organic waste gas inlet 1-4, an air replacement device 2, an inlet II 2-1, an outlet II 2-2, 1#A VOCs concentration sensor 3, a temperature regulation control system 4, a heat storage-heat exchange thermal combustion integrated device 5, an inlet III 5-1, an outlet III 5-2, 2# VOCs concentration sensor 6, rowThe device comprises an air blower 7, an inlet IV 7-1, an outlet IV 7-2, an exhaust port 7-3, a connecting pipe I8, a connecting pipe II 9, a connecting pipe III 10, a connecting pipe IV 11, a valve 12, a temperature regulator 13, a temperature measuring sensor 14, an information acquisition and calculation module I15 and an information acquisition and calculation module II 16.
Detailed Description
Example 1
Referring to fig. 1-2, the specific structure of this embodiment is a high-safety and integrated RTO-type VOCs processing system, which includes an adsorption and desorption device 1, an air replacement device 2, a heat storage-heat exchange and thermal combustion integrated device 5, and an exhaust fan 7; the adsorption and desorption device 1 comprises an inlet I1-1, an outlet I1-2, a secondary purified gas inlet 1-3 and an organic waste gas inlet 1-4, the air replacement device 2 comprises an inlet II 2-1 and an outlet II 2-2, and the heat storage-heat exchange thermal combustion integrated device 5 comprises an inlet III 5-1 and an outlet III 5-2; the exhaust fan 7 comprises an inlet IV 7-1, an outlet IV 7-2 and an exhaust port 7-3;
the organic waste gas enters the adsorption and desorption device 1 through an organic waste gas inlet 1-4; the air enters the air replacement device 2 through an inlet II 2-1, and an outlet II 2-2 of the air replacement device 2 is connected with an inlet I1-1 of the adsorption and desorption device 1 through a connecting pipe I8; an outlet I1-2 of the adsorption and desorption device 1 is connected with an inlet III 5-1 of the heat storage-heat exchange thermal combustion integrated device 5 through a connecting pipe II 9; an outlet III 5-2 of the heat storage-heat exchange thermal combustion integrated device 5 is connected with an inlet IV 7-1 of an exhaust fan 7 through a connecting pipe III 10, and an outlet IV 7-2 of the exhaust fan 7 is connected with a secondary purified gas inlet 1-3 of the adsorption and desorption device 1 through a connecting pipe IV 11; the connecting pipe II 9 is internally provided with 1# VOCs concentration sensor 3, be provided with 2 in the connecting pipe III 10#A VOCs concentration sensor 6; and a valve 12 is arranged on the connecting pipe IV 11.
Example 2
The main structure and connection mode of the VOCs processing system of the present embodiment refer to embodiment 1;
the heat storage-heat exchange thermal combustion integrated device 5 is provided with a temperature regulator 13 and a temperature measuring sensor 14;
VOCs processing system still is equipped with temperature regulation control system 4, temperature regulation control system 4 includes 1#The system comprises a VOCs concentration sensor 3, a temperature measuring sensor 14 and an information acquisition and calculation module I15; the information acquisition computing module II 16;
the connection relation of the temperature regulation control system 4 is as follows: 1 is described#The VOCs concentration sensor 3 is connected with an information acquisition and calculation module I15, the information acquisition and calculation module I15 is connected with a temperature regulator 13, the temperature regulator 13 controls the temperature of the heat storage-heat exchange thermal combustion integrated device 5, and the temperature measurement sensor 14 is connected with the information acquisition and calculation module I15; 1 is described#The VOCs concentration sensor 3 is connected with an information acquisition and calculation module II 16, and the information acquisition and calculation module II controls the on-off of the air replacement device 2.
The principle of the embodiment:
the temperature regulation control system 4 is provided with a temperature measurement sensor 14 and a temperature regulator 13 which are connected through an information acquisition and calculation module I15. The temperature measuring sensor 14 is arranged in the heat accumulation-heat exchange thermal combustion integrated device 5, monitors the temperature signal in the device, and transmits the signal to the temperature regulator 13 through the information acquisition and calculation module I15. Namely, the temperature regulator 13 receives 1# VOC through the information acquisition and calculation module I15SThe concentration signal of the concentration sensor 3 and the signal of the temperature measuring sensor 14 are used for reasonably regulating and controlling the VOC in the heat storage-heat exchange thermal combustion integrated device 5 according to the concentration change and the temperature monitoringSThe combustion temperature of (1).
The workflow of this embodiment:
(1) the waste gas is firstly desorbed after being concentrated by the absorption and desorption device 1, then enters the heat storage-heat exchange thermal combustion integrated device 5, and is purified and then is connected with the fan 7 for exhausting.
（2）1# VOCs concentration sensor 3 detects that waste gas gives air replacement device 2 with signal transmission after the desorption gas concentration behind the desorption device 1 of inhaling, when concentration exceedes the setting value, gives air replacement device 2 with signal transmission through information acquisition module II, and air replacement device 2 in time trades the air to system built-in for get into heat accumulation-heat transfer thermal combustion integrated device 5Is maintained in a suitable range.
(3) The temperature measuring sensor 14 and the temperature regulator 13 are connected through an information acquisition and calculation module I15. The temperature measuring sensor 13 is arranged in the heat accumulation-heat exchange thermal combustion integrated device 5, monitors the temperature signal therein and transmits the signal to the temperature regulator 13. The temperature regulator receives a concentration signal of the 1# VOCS concentration sensor and a signal of the temperature measuring sensor, and reasonably regulates and controls the combustion temperature of the VOCS according to concentration change and temperature monitoring.
(4) The temperature control system 4 receives 1#After the fluctuation signal of the VOCs concentration sensor, the thermal combustion temperature is adjusted, and when the VOCs concentration is higher, the combustion temperature is increased; when the concentration of VOCs is low, the combustion temperature is reduced. Ensuring the combustion safety and the minimum energy consumption.
The utility model has the characteristics that:
(1) the waste gas is desorbed after being concentrated by the absorption and desorption device 1, then enters the heat storage-heat exchange thermal combustion integrated device 5, and is purified and then is connected with the fan 7 for exhausting.
(2) Air displacement device 2 receives 1#VOCSConcentration sensor 3 signal, VOCSConcentration control, improve system security performance.
(3) The temperature control system 4 may be according to 1#VOCSThe signal that concentration sensor 3 provided rationally adjusts the temperature of burning, saves the power consumption.
Claims (2)
1. A high-safety integrated RTO (regenerative thermal oxidizer) type VOCs (volatile organic compounds) treatment system comprises an absorption and desorption device, an air replacement device, a heat storage-heat exchange thermal combustion integrated device and an exhaust fan; the method is characterized in that: the adsorption and desorption device comprises an inlet, an outlet, a secondary purified gas inlet and an organic waste gas inlet, and the exhaust fan comprises an inlet, an outlet and an exhaust port;
the outlet of the air replacement device is connected with the inlet of the adsorption and desorption device through a connecting pipe I; the outlet of the adsorption and desorption device is connected with the inlet of the heat storage-heat exchange thermal combustion integrated device through a connecting pipe II; the heat storage-exchange heatThe outlet of the forced combustion integrated device is connected with the inlet of an exhaust fan through a connecting pipe III, and the outlet of the exhaust fan is connected with the secondary purified gas inlet of the adsorption and desorption device through a connecting pipe IV; the inside of the connecting pipe II is provided with 1#VOCs concentration sensor, be provided with 2 in the connecting pipe III#A VOCs concentration sensor; and a valve is arranged on the connecting pipe IV.
2. A high security, integrated RTO-type VOCs processing system as claimed in claim 1, wherein: the VOCs treatment system is also provided with a temperature regulation control system, and the heat storage-heat exchange thermal combustion integrated device is provided with a temperature regulator and a temperature measurement sensor;
the temperature regulation control system comprises a temperature regulation control system 1#The system comprises a VOCs concentration sensor, a temperature measuring sensor and an information acquisition and calculation module I; an information acquisition and calculation module II;
1 is described#The VOCs concentration sensor is connected with an information acquisition and calculation module, the information acquisition and calculation module is connected with a temperature regulator, and the temperature measurement sensor is connected with an information acquisition and calculation module I; 1 is described#The VOCs concentration sensor is connected with an information acquisition and calculation module II, and the information acquisition and calculation module II controls the on-off of the air replacement device.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114660985A (en) * | 2021-08-16 | 2022-06-24 | 浙江锌芯友好环境材料科技有限公司 | Automatic control system and control method for continuous odor treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114660985A (en) * | 2021-08-16 | 2022-06-24 | 浙江锌芯友好环境材料科技有限公司 | Automatic control system and control method for continuous odor treatment system |
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