CN214501261U - Integrated organic waste gas RTO treatment device - Google Patents
Integrated organic waste gas RTO treatment device Download PDFInfo
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- CN214501261U CN214501261U CN202120341811.3U CN202120341811U CN214501261U CN 214501261 U CN214501261 U CN 214501261U CN 202120341811 U CN202120341811 U CN 202120341811U CN 214501261 U CN214501261 U CN 214501261U
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Abstract
The utility model discloses an integration organic waste gas RTO processing apparatus, including combustion assembly, waste heat recovery device, combustion assembly includes fuel entry, supplementary combustor, combustion chamber, and waste heat recovery device includes second heat exchange chamber, third valve, fourth valve, first heat exchange chamber, first valve, second valve. The waste gas containing VOCs is treated by using a combustion method, a first heat exchange chamber and a second heat exchange chamber are added, the waste gas is preheated, the treated waste gas passes through the second heat exchange chamber, most of heat can be stored in the second heat exchange chamber, then the process flow direction is changed by the conversion of a valve, so that the second heat exchange chamber starts to release heat, the first heat exchange chamber starts to store heat, on one hand, the heat can be recycled, the heat loss is reduced, and the economic cost is reduced; the preheating of the waste gas can lead the temperature of the combustion chamber to reach about 800 ℃, thereby leading the waste gas to be thoroughly oxidized into CO2 and H2O and preventing the air pollution caused by incomplete waste gas treatment.
Description
Technical Field
The utility model relates to a waste gas treatment device technical field especially relates to integration organic waste gas RTO processing apparatus.
Background
The purification of waste gas containing VOCs mainly refers to the treatment of industrial waste gas containing VOCs generated in industrial places. Different processes are usually adopted to recover or remove harmful components in the exhaust gas to achieve the effects of protecting the environment and purifying the air. At present, the processes mainly adopted for the waste gas containing the VOCs include an absorption method, an adsorption method, a direct combustion method and a catalytic combustion method, wherein the absorption method and the adsorption method can only treat the waste gas with low VOCs concentration and have low treatment efficiency, although the direct combustion method and the catalytic combustion method can treat the waste gas with high VOCs concentration, the operation and management costs are high because a large amount of heat is generated in the operation process, and a large amount of harmful gases such as CO and the like can be generated after the treatment.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integration organic waste gas RTO processing apparatus solves the higher problem of organic waste gas processing apparatus operation and administrative cost.
In order to solve the technical problem, the utility model provides an integration organic waste gas RTO processing apparatus, including combustion assembly, waste heat recovery device, wherein combustion assembly includes fuel entry, supplementary combustor, combustion chamber, waste heat recovery device includes second heat exchange chamber, third valve, fourth valve, first heat exchange chamber, first valve, second valve, supplementary combustor sets up on the top intermediate position of combustion chamber and with fuel entry with the pipe connection, first heat exchange chamber, second heat exchange chamber set up the lower part at the combustion chamber, first heat exchange chamber, second heat exchange chamber all with waste gas entry with the pipe connection, first valve sets up on the pipeline between first heat exchange chamber and waste gas entry, the second valve sets up on the pipeline between second heat exchange chamber and waste gas entry, first heat exchange chamber, The second heat exchange chambers are connected with the waste gas outlet through pipelines, the third valve is arranged on the pipeline between the first heat exchange chamber and the waste gas outlet, and the fourth valve is arranged on the pipeline between the second heat exchange chamber and the waste gas outlet.
In the structure, the device further comprises a first gas analyzer, and the first gas analyzer is arranged on a pipeline between the waste gas inlet and the first valve and between the waste gas inlet and the second valve.
In the above structure, the fuel injection device further includes a ninth valve disposed on the pipe between the auxiliary burner and the fuel inlet.
In the structure, the device further comprises a secondary treatment device, the secondary treatment device comprises a second gas analyzer, a sixth valve and a fifth valve, the second gas analyzer is arranged on a pipeline between the waste gas outlet and the third valve and between the waste gas outlet and the fourth valve, the second gas analyzer is connected with the first valve and the second valve through pipelines and provided with the sixth valve on the pipeline, and the fifth valve is further arranged between the second gas analyzer and the waste gas outlet.
In the structure, a fan is further arranged between the fifth valve and the waste gas outlet.
In the structure, the device comprises a blower, a seventh valve and an eighth valve, the blower is connected with the first heat exchange chamber and the second heat exchange chamber through pipelines, the seventh valve is arranged on the pipeline between the blower and the first heat exchange chamber, and the eighth valve is arranged on the pipeline between the blower and the second heat exchange chamber.
In the structure, a chimney is further arranged between the fan and the waste gas outlet.
In the structure, the heat exchanger further comprises a first temperature detector for measuring the temperature of the first heat exchange chamber and a second temperature detector for measuring the temperature of the second heat exchange chamber, wherein the first temperature detector is installed in the first heat exchange chamber, and the second temperature detector is installed in the second heat exchange chamber.
In the above configuration, the states of the first valve being closed, the fourth valve being closed, the second valve being opened, and the third valve being opened are linked.
In the above configuration, the states of the first valve being open, the fourth valve being open, the second valve being closed, and the third valve being closed are linked.
The control system of the integrated organic waste gas RTO treatment device comprises a control panel and a heat exchange control system, wherein the heat exchange control system comprises a control panel, a first temperature detector, a second temperature detector, a first valve, a fourth valve, a second valve and a third valve; the heat exchange control system is triggered by the first thermometer and the second thermometer, and is set to control the first valve to be opened, the fourth valve to be opened, the second valve to be closed and the third valve to be closed by the control board when the parameter measured by the first thermometer is larger than the parameter measured by the second thermometer or to control the first valve to be closed, the fourth valve to be closed, the second valve to be opened and the third valve to be opened by the control board when the parameter measured by the second thermometer is larger than the parameter measured by the first thermometer.
The system comprises a secondary treatment control system and a waste gas non-treatment control system, wherein the secondary treatment control system comprises a control panel, a second gas analyzer, a sixth valve and a fifth valve, the control panel is electrically connected with the second gas analyzer, the sixth valve and the fifth valve, the waste gas non-treatment control system comprises a control panel, a first gas analyzer, a first valve, a second valve and a ninth valve, and the control panel is electrically connected with the first gas analyzer, the first valve, the second valve and the ninth valve; the secondary treatment control system is triggered by the second gas analyzer and is set to control the fifth valve to be closed and the sixth valve to be opened by the control board when the parameter measured by the second gas analyzer is greater than a set value or to control the fifth valve to be opened and the sixth valve to be closed when the parameter measured by the second gas analyzer is less than the set value; the waste gas non-treatment control system is triggered by the first gas analyzer and is set to control the first valve or the second valve and the ninth valve to be closed by the control board when the parameter measured by the first gas analyzer is larger than a set value or to control the first valve or the second valve and the ninth valve to be opened by the control board when the parameter measured by the first gas analyzer is smaller than the set value.
The beneficial effects of the utility model reside in that: the waste gas containing VOCs is treated by using a combustion method, a first heat exchange chamber and a second heat exchange chamber are added, the waste gas is subjected to pre-heating treatment in the first heat exchange chamber, the treated waste gas in the second heat exchange chamber passes through the second heat exchange chamber, most of heat can be stored in the second heat exchange chamber, then the process flow direction is changed through the conversion of a valve, so that the second heat exchange chamber starts to release heat, the first heat exchange chamber starts to store heat, on one hand, the heat can be recycled, the heat loss is reduced, and the economic cost is reduced; on the other hand, the temperature of the combustion chamber can reach about 800 ℃ by preheating the waste gas, so that the waste gas is thoroughly oxidized into CO2 and H2O, and the atmospheric pollution caused by incomplete waste gas treatment is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flow chart of the present invention.
In the figure, 1-first gas analyzer, 2-first valve, 3-second valve, 4-third valve, 5-fourth valve, 6-first heat exchange chamber, 7-second heat exchange chamber, 8-combustion chamber, 9-second gas analyzer, 10-auxiliary burner, 11-fifth valve, 12-sixth valve, 13-blower, 14-chimney, 15-seventh valve, 16-eighth valve, 17-ninth valve, 18-fuel inlet, 19-waste gas inlet, 20-waste gas outlet.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to the attached drawings, the integrated organic waste gas RTO treatment device comprises a combustion assembly and a waste heat recovery device, wherein the combustion assembly comprises a fuel inlet 18, a ninth valve 17, an auxiliary burner 10 and a combustion chamber 8, the waste heat recovery device comprises a second heat exchange chamber 7, a third valve 4, a fourth valve 5, a first heat exchange chamber 6, a first valve 2 and a second valve 3, the auxiliary burner 10 is arranged at the middle position of the top of the combustion chamber 8 and is connected with the fuel inlet 18 through a pipeline, the ninth valve 17 is arranged on a pipeline between the auxiliary burner 10 and the fuel inlet 18, the first heat exchange chamber 6 and the second heat exchange chamber 7 are arranged at the lower part of the combustion chamber 8, the first heat exchange chamber 6 and the second heat exchange chamber 7 are both connected with a waste gas inlet 19 through a pipeline, the first valve 2 is arranged on a pipeline between the first heat exchange chamber 6 and the waste gas inlet 19, the second valve 3 is arranged on a pipeline between the second heat exchange chamber 7 and the waste gas inlet 19, the first heat exchange chamber 6 and the second heat exchange chamber 7 are connected with the waste gas outlet 20 through pipelines, the third valve 4 is arranged on a pipeline between the first heat exchange chamber 6 and the waste gas outlet 20, and the fourth valve 5 is arranged on a pipeline between the second heat exchange chamber 7 and the waste gas outlet 20.
Preferably, the heat exchanger further comprises a first temperature detector for measuring the temperature of the first heat exchange chamber 6, a second temperature detector for measuring the temperature of the second heat exchange chamber 7, wherein the first temperature detector is arranged in the first heat exchange chamber 6, and the second temperature detector is arranged in the second heat exchange chamber 7.
When the temperature of the first heat exchange chamber 6 is lower than that of the second heat exchange chamber 7, the first heat exchange chamber 6 is used for cooling the processed exhaust gas and the second heat exchange chamber 7 is used for preheating the exhaust gas to be processed, and then the first valve 2 and the fourth valve 5 are closed, and the second valve 3 and the third valve 4 are opened. I.e. the first valve 2 is closed, the second valve 3, the third valve 4 must both be open and the fourth valve 5 closed. The four states of the first valve 2 being closed, the fourth valve 5 being closed, the second valve 3 being open and the third valve 4 being open are linked, and as long as one is determined, the other three must be in this state.
When the temperature of the first heat exchange chamber 6 is higher than that of the second heat exchange chamber 7, the first heat exchange chamber 6 is used for preheating the exhaust gas to be treated, the second heat exchange chamber 7 is used for cooling the treated exhaust gas, and the first valve 2 and the fourth valve 5 are opened, and the second valve 3 and the third valve 4 are closed. When the first valve 2 is opened, the second valve 3 and the third valve 4 are closed, and the fourth valve 5 is opened. The four states of the first valve 2 being open, the fourth valve 5 being open, the second valve 3 being closed and the third valve 4 being closed are linked, and as long as one is determined, the other three must be in this state.
The preheating treatment is carried out on the introduced fuel through the first heat exchange chamber 6, the temperature of the preheated waste gas in the combustion chamber 8 can reach 800-900 ℃, and the thorough oxidation treatment can be carried out on the waste gas. The waste gas treated by the combustion chamber 8 enters the second heat exchange chamber 7, and the heat storage material can store a large amount of heat in the gas, so that the purpose of heat recycling is achieved.
When the heat releasing and heat storing materials in the first heat exchange chamber 6 and the second heat exchange chamber 7 reach saturation, the first valve 2 and the fourth valve 5 are closed, the second valve 3 and the third valve 4 are opened, the original second heat exchange chamber is changed into the first heat exchange chamber, and the first heat exchange chamber is changed into the second heat exchange chamber, so that the purpose of heat recycling is achieved.
Preferably, a first gas analyzer 1 is further included, the first gas analyzer 1 being disposed on a conduit between the exhaust gas inlet 19 and the first and second valves 2, 3. When the gas to be treated flows through the first gas analyzer 1, if the concentration parameters of the gas to be treated do not meet the requirements of the device, all valves are closed, waste gas cannot be treated, the gas can be treated after the concentration requirements are met, the concentration meets the requirements of the device, the first valve 2 or the second valve 3 can be opened to enter the device for treatment, and the gas is firstly subjected to preheating treatment through heat release of the heat accumulator.
Preferably, the secondary treatment device further comprises a second gas analyzer 9, a sixth valve 12 and a fifth valve 11, wherein the second gas analyzer 9 is arranged on a pipeline between the waste gas outlet 20 and the third valve 4 and the fourth valve 5, the second gas analyzer 9 is connected with the first valve 2 and the second valve 3 through pipelines and is provided with the sixth valve 12, and the fifth valve 11 is further arranged between the second gas analyzer 9 and the waste gas outlet 20. When the gas treated by the device passes through the second gas analyzer 9, if the concentration meets the emission standard, the fifth valve 11 is opened, the sixth valve 12 is closed, and the treated waste gas passes through the fan 13 and is emitted through the chimney 14 to meet the emission standard; if the concentration does not meet the emission standard, the fifth valve 11 is closed, the sixth valve 12 is opened, and the treated waste gas enters the device again for secondary treatment until the treatment is qualified.
Preferably, a fan 13 is further disposed between the fifth valve 11 and the exhaust gas outlet 20.
Preferably, the heat exchanger further comprises a purging device, the purging device comprises a fan 13, a seventh valve 15 and an eighth valve 16, the fan 13 is connected with the first heat exchange chamber 6 and the second heat exchange chamber 7 through pipelines, the seventh valve 15 is further arranged on the pipeline between the fan 13 and the first heat exchange chamber 6, and the eighth valve 16 is further arranged on the pipeline between the fan 13 and the second heat exchange chamber 7. After the device runs for a period of time, the whole device is purged, the seventh valve 15 and the eighth valve 16 are opened, the first valve 2 and the fourth valve or 5 and the second valve 3 and the third valve 4 are closed, the whole device is purged by using the qualified flue gas, and the purged particulate matters enter the combustion chamber 8 for combustion treatment. As the flue gas flows through the first heat exchange chamber 6 and the second heat exchange chamber 7, a part of the pollutants is trapped in the heat accumulating material, so that the first heat exchange chamber 6 and the second heat exchange chamber 7 are periodically purged and cleaned with the treated flue gas.
Preferably, a chimney 14 is further disposed between the fan 13 and the exhaust gas outlet 20.
The control system of the integrated organic waste gas RTO treatment device comprises a control panel, a secondary treatment control system, a waste gas non-treatment control system and a heat exchange control system, wherein the secondary treatment control system comprises a control panel, a second gas analyzer 9, a sixth valve 12 and a fifth valve 11, the control panel is electrically connected with the second gas analyzer 9, the sixth valve 12 and the fifth valve 11, the waste gas non-treatment control system comprises a control panel, a first gas analyzer 1, a first valve 2, a second valve 3 and a ninth valve 17, the control panel is electrically connected with the first gas analyzer 1, the first valve 2, the second valve 3 and the ninth valve 17, the heat exchange control system comprises a control panel, a first temperature detector, a second temperature detector, the first valve 2, the fourth valve 5, the second valve 3 and the third valve 4, and the control panel is electrically connected with the first temperature detector, the second temperature detector, The first valve 2, the fourth valve 5, the second valve 3 and the third valve 4 are electrically connected; the secondary processing control system is triggered by the second gas analyzer 9, and is set to control the fifth valve 11 to be closed and the sixth valve 12 to be opened when the parameter measured by the second gas analyzer 9 is greater than a set value or control the fifth valve 11 to be opened and the sixth valve 12 to be closed when the parameter measured by the second gas analyzer 9 is less than the set value; the waste gas non-treatment control system is triggered by the first gas analyzer 1, the waste gas non-treatment control system is set to control the first valve 2 or the second valve 3 and the ninth valve 17 to be closed by the control board when the parameter measured by the first gas analyzer 1 is greater than a set value or control the first valve 2 or the second valve 3 and the ninth valve 17 to be opened by the control board when the parameter measured by the first gas analyzer 1 is less than the set value, and the heat exchange control system is triggered by the first temperature detector and the second temperature detector; the heat exchange control system is set to control the first valve 2 to be opened, the fourth valve 5 to be opened, the second valve 3 to be closed and the third valve 4 to be closed by the control board when the parameter measured by the first thermometer is larger than the parameter measured by the second thermometer or the first valve 2 to be closed, the fourth valve 5 to be closed, the second valve 3 to be opened and the third valve 4 to be opened by the control board when the parameter measured by the second thermometer is larger than the parameter measured by the first thermometer.
The utility model discloses the theory of operation is to open first valve 2 and fourth valve 5 after suitable concentration flue gas entering device, make pending waste gas carry out preliminary heating through first heat exchange chamber 6, make in the waste gas thorough oxidative decomposition of pollutant become CO2 and H2O through combustion chamber 8 again, flue gas after the processing passes through second heat exchange chamber 7, can absorb a large amount of heats in the flue gas through heat-accumulating material, then through second gas analysis appearance 9, if discharge concentration is up to standard, then can open fifth valve 11 and close sixth valve 12 and discharge up to standard gas through fan 13, if the treatment concentration is not up to standard then close fifth valve 11, open sixth valve 12 and carry out secondary treatment to the gas after handling. When the heat releasing and heat storing materials in the first heat exchange chamber 6 and the second heat exchange chamber 7 reach saturation, the first valve 2 and the fourth valve 5 are closed, the second valve 3 and the third valve 4 are opened, the second heat exchange chamber 7 is changed into the first heat exchange chamber 6, the first heat exchange chamber 6 is changed into the second heat exchange chamber 7, and the purpose of heat recycling is achieved.
According to the invention, organic waste gas is preheated to raise the temperature of the combustion chamber to 800 ℃, so that VOCs in the waste gas are oxidized and decomposed into harmless CO2 and H2O, and the emission of harmful gas is greatly reduced. Through the heat accumulation and the heat release of the heat accumulation material, the heat can be recovered, and the heat of the high-temperature gas during oxidation is stored by the heat accumulator and used for preheating the newly-entered organic waste gas, so that the fuel consumption required by temperature rise is saved. The invention adopts the heat recycling process to improve the utilization rate of heat energy in the waste gas treatment process from the source, solves the treatment problem of the waste gas containing VOCs generated by petrochemical enterprises, greatly reduces the discharge amount of harmful gases such as CO and the like, has high waste gas treatment efficiency, can treat the waste gas with higher concentration, enhances the heat recycling and saves the economic cost.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. Integration organic waste gas RTO processing apparatus, characterized by: the waste heat recovery device comprises a combustion assembly and a waste heat recovery device, wherein the combustion assembly comprises a fuel inlet, an auxiliary combustor and a combustion chamber, the waste heat recovery device comprises a second heat exchange chamber, a third valve, a fourth valve, a first heat exchange chamber, a first valve and a second valve, the auxiliary combustor is arranged at the middle position of the top of the combustion chamber and is connected with the fuel inlet through a pipeline, the first heat exchange chamber and the second heat exchange chamber are arranged at the lower part of the combustion chamber and are connected with the waste gas inlet through a pipeline, the first valve is arranged on the pipeline between the first heat exchange chamber and the waste gas inlet, the second valve is arranged on the pipeline between the second heat exchange chamber and the waste gas inlet, the first heat exchange chamber and the second heat exchange chamber are connected with the waste gas outlet through a pipeline, the third valve is arranged on the pipeline between the first heat exchange chamber and the waste gas outlet, the fourth valve is arranged on the pipeline between the second heat exchange chamber and the waste gas outlet.
2. The integrated organic waste gas RTO treatment device according to claim 1, wherein: still include secondary processing apparatus, secondary processing apparatus includes second gas analysis appearance, sixth valve, fifth valve, the second gas analysis appearance sets up on the pipeline between exhaust outlet and third valve, fourth valve, the second gas analysis appearance is provided with the sixth valve with pipe connection and on the pipeline with first valve, second valve, still be provided with the fifth valve between second gas analysis appearance and the exhaust outlet.
3. The integrated organic waste gas RTO treatment device according to claim 1, wherein: the gas analyzer further comprises a first gas analyzer which is arranged on a pipeline between the waste gas inlet and the first valve and the second valve.
4. The integrated organic waste gas RTO treatment device according to claim 1, wherein: also included is a ninth valve disposed on the conduit between the auxiliary burner and the fuel inlet.
5. The integrated organic waste gas RTO treatment device according to claim 1, wherein: the device comprises a blower, a seventh valve and an eighth valve, the blower is connected with a first heat exchange chamber and a second heat exchange chamber through pipelines, the seventh valve is arranged on the pipeline between the blower and the first heat exchange chamber, and the eighth valve is arranged on the pipeline between the blower and the second heat exchange chamber.
6. The integrated organic waste gas RTO treatment device according to claim 1, wherein: the first temperature detector is arranged in the first heat exchange chamber, and the second temperature detector is arranged in the second heat exchange chamber.
7. The integrated organic waste gas RTO treatment device according to claim 1, wherein: the states of the first valve closing, the fourth valve closing, the second valve opening and the third valve opening are linked.
8. The integrated organic waste gas RTO treatment device according to claim 1, wherein: the states of the first valve opening, the fourth valve opening, the second valve closing and the third valve closing are linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120341811.3U CN214501261U (en) | 2021-02-05 | 2021-02-05 | Integrated organic waste gas RTO treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120341811.3U CN214501261U (en) | 2021-02-05 | 2021-02-05 | Integrated organic waste gas RTO treatment device |
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| Publication Number | Publication Date |
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| CN214501261U true CN214501261U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120341811.3U Active CN214501261U (en) | 2021-02-05 | 2021-02-05 | Integrated organic waste gas RTO treatment device |
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| CN (1) | CN214501261U (en) |
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2021
- 2021-02-05 CN CN202120341811.3U patent/CN214501261U/en active Active
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