CN210241600U - RCO heat accumulating type catalytic combustion device - Google Patents
RCO heat accumulating type catalytic combustion device Download PDFInfo
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- CN210241600U CN210241600U CN201920487093.3U CN201920487093U CN210241600U CN 210241600 U CN210241600 U CN 210241600U CN 201920487093 U CN201920487093 U CN 201920487093U CN 210241600 U CN210241600 U CN 210241600U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a RCO heat accumulation formula catalytic combustion device, including the furnace body, the furnace body is provided with first combustion furnace A and second combustion furnace B, sets up admission valve, discharge valve, purge valve and draught fan outside the furnace body, still includes waste gas inlet line, air inlet line, the pipeline of giving vent to anger. The utility model discloses still disclose a RCO heat accumulation formula catalytic combustion device, use two furnace bodies, compare three burning furnace that fires, the cost is lower, the temperature is changeed and is controlled. Compare two traditional burning furnace that fire, can solve the problem that the volatility of exhaust tail gas is not up to standard.
Description
Technical Field
The utility model relates to a RCO heat accumulation formula catalytic combustion device belongs to the environmental protection field.
Background
VOCs (volatile Organic Compounds), which are volatile Organic compounds, are currently being processed
There are various methods, and among them, catalytic combustion (catalytic oxidizers) is an effective organic waste gas treatment method for treating waste gas containing organic solvents. The heat accumulating type catalytic combustion device has high utilization efficiency of catalytic combustion waste heat, is an internationally recognized energy-saving organic waste gas treatment device, and has the working principle that the catalyst is utilized to reduce the activation energy of VOCs gas, the decomposition temperature of the VOCs gas is reduced to 200-400 ℃, meanwhile, because the catalyst is generally a porous material, the strong surface adsorption capacity of the catalyst enriches reactant molecules on the surface of the catalyst, the concentration of the reactant molecules is improved through phase change, the reaction rate is improved, the reaction is accelerated, finally, the VOCs gas and oxygen molecules are subjected to flameless combustion under the condition of low ignition temperature, and are subjected to oxidative decomposition into CO2 and H2O, and a large amount of heat is released. The CO2 and H2O which are subjected to oxidative decomposition and air which does not participate in reaction store heat generated in the catalytic combustion process through a heat storage material, and then other materials are used for absorbing the heat absorbed by the heat storage material. However, the existing heat accumulating type catalytic combustion device has the problems of incomplete combustion and insufficient heat energy recovery, organic waste gas which is not completely combusted is discharged into the atmosphere to pollute the atmosphere, the insufficient heat energy recovery causes energy waste, and even the atmospheric temperature is further increased.
The Chinese patent, application number 2017212380941, discloses a heat accumulating type catalytic combustion device, it discloses a heat accumulating type catalytic combustion device of two combustion furnaces, and this kind of device defect is that the air inlet furnace when switching has a section of not completely burnt waste gas to flow back and discharge when switching, leads to discharging tail gas volatility not up to standard. Therefore, the two-body type is improved on the basis of the three-body type.
Chinese patent, application No. 2018100895700, discloses a regenerative catalytic incinerator, which discloses a regenerative catalytic combustion device for three combustion furnaces. The disadvantages of this device are the high cost, the more complex operating parameters, the less controllable temperature, and the unbalanced temperature of the three furnaces.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model discloses a RCO heat accumulating type catalytic combustion device uses two furnace bodies, compares three burning furnace that fires, and the cost is lower, the temperature is changed and is controlled. Compare two traditional burning furnace that fire, can solve the problem that the volatility of exhaust tail gas is not up to standard.
An RCO heat accumulating type catalytic combustion device comprises a furnace body, wherein the furnace body is provided with a first combustion furnace A and a second combustion furnace B, an air inlet valve, an exhaust valve, a cleaning valve and an induced draft fan are arranged outside the furnace body, and the RCO heat accumulating type catalytic combustion device also comprises a waste gas inlet pipeline, an air inlet pipeline and an air outlet pipeline;
the air inlet valve comprises a first air inlet valve, a second air inlet valve and a third air inlet valve;
the exhaust valves comprise a first exhaust valve, a second exhaust valve and a third exhaust valve;
the cleaning valve comprises a first cleaning valve and a second cleaning valve;
the waste gas inlet pipeline is communicated with one ends of the first air inlet valve, the second air inlet valve and the third air inlet valve in sequence; the other end of the first air inlet valve is communicated with the first combustion furnace A, the other end of the second air inlet valve is communicated with the middle section of the furnace body, and the other end of the third air inlet valve is communicated with the second combustion furnace B;
the air inlet pipeline is communicated with one ends of the first cleaning valve and the second cleaning valve in sequence; the other end of the first cleaning valve is communicated with the first combustion furnace A, and the other end of the second cleaning valve is communicated with the second combustion furnace B;
one end of the air outlet pipeline is communicated with the induced draft fan, and the other end of the air outlet pipeline is sequentially communicated with one ends of the third exhaust valve, the second exhaust valve and the first exhaust valve; the other end of the third exhaust valve is communicated with the second combustion furnace B, the other end of the second exhaust valve is communicated with the middle section of the furnace body, and the other end of the first exhaust valve is communicated with the first combustion furnace A.
The RCO heat accumulating type catalytic combustion device is characterized in that the other end of the induced draft fan is communicated with a chimney.
The utility model discloses the method and the advantage of device are:
1. the manufacturing cost of the two-body furnace is saved by one third compared with that of the three-body furnace, and the purification rate is unchanged;
2. because only two furnace bodies are provided, the operation parameter setting is simpler, the temperature control is more stable, and the state of unbalanced temperature of three furnaces can not occur;
3. after the two valves are added, under a specific working condition, waste gas can be directly discharged after the two valves are opened, and a direct discharge valve is not required to be additionally arranged;
4. the integrated design, compact structure, convenient operation, with low costs.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of the apparatus of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment 2 of the apparatus of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the utility model relates to an RCO heat accumulating type catalytic combustion device, which comprises a furnace body, wherein the furnace body is provided with a first combustion furnace A and a second combustion furnace B, and the furnace body is externally provided with an air inlet valve, an exhaust valve, a cleaning valve and a draught fan, and further comprises a waste gas inlet pipeline 9, an air inlet pipeline 10 and an air outlet pipeline 11; the air inlet valves comprise a first air inlet valve 1, a second air inlet valve 2 and a third air inlet valve 3; the exhaust valves comprise a first exhaust valve 4, a second exhaust valve 5 and a third exhaust valve 6; the purge valve comprises a first purge valve 7 and a second purge valve 8.
The waste gas inlet pipeline 9 is communicated with one ends of the first air inlet valve 1, the second air inlet valve 2 and the third air inlet valve 3 in sequence; the other end of the first air inlet valve 1 is communicated with a first combustion furnace A, the other end of the second air inlet valve 2 is communicated with the middle section of the furnace body, and the other end of the third air inlet valve 3 is communicated with a second combustion furnace B; the air inlet pipeline 10 is communicated with one ends of the first cleaning valve 7 and the second cleaning valve 8 in sequence; the other end of the first cleaning valve 7 is communicated with the first combustion furnace A, and the other end of the second cleaning valve 8 is communicated with the second combustion furnace B; one end of the air outlet pipeline 11 is communicated with an induced draft fan 12, and the other end of the air outlet pipeline is sequentially communicated with one ends of a third exhaust valve 6, a second exhaust valve 5 and a first exhaust valve 4; the other end of the third exhaust valve 6 is communicated with the second combustion furnace B, the other end of the second exhaust valve 5 is communicated with the middle section of the furnace body, and the other end of the first exhaust valve 4 is communicated with the first combustion furnace A. The other end of the induced draft fan 12 is communicated with a chimney 13.
In this embodiment, the tail end of the waste gas inlet pipeline 9 is further connected with a waste gas outlet pipeline, and the pipeline is provided with a direct vent valve 13 and an outlet cooling valve 14, which is the prior art and will not be further described.
Example 2
According to the above principle, the present invention further provides a straight tube type heat accumulating type catalytic combustion apparatus, as shown in fig. 2.
The utility model discloses burner's combustion method, including following step:
a. filtered waste gas enters a first combustion furnace A for combustion through an opened first air inlet valve 1, so that air inlet is realized, and other valves are closed; the waste gas after combustion in the first combustion furnace A enters the second combustion furnace B for re-combustion, and is discharged from the second combustion furnace B; the heat of combustion generated at this time is accumulated in the second combustion furnace B, the temperature of the second combustion furnace B rises, and the temperature of the first combustion furnace a slowly decreases; when the temperature of the second combustion furnace B reaches the set temperature, the exhaust gas is discharged by the opened second exhaust valve 5, the first cleaning valve 7 is opened for cleaning, the third air inlet valve 3 is opened, and the first air inlet valve 1 is closed; after the set cleaning time is up, the first exhaust valve 4 and the third air inlet valve 3 are opened, other valves are closed, the second combustion furnace B is changed to be used for air inlet, and the first combustion furnace A is used for air outlet;
at the moment, the combustion heat is accumulated in the first combustion furnace A, and the temperature of the second combustion furnace B is slowly reduced; the heat accumulation combustion is realized by repeating the steps.
b. When the temperature of the second combustion furnace B does not reach the set temperature, namely the temperature difference between the first combustion furnace A and the second combustion furnace B does not reach the set reversing requirement of the process requirement (if the second combustion furnace B is already increased to the upper limit set by the program, but the first combustion furnace A is not decreased to the lower limit set by the program), the second air inlet valve 2 is opened to be used as a temporary air inlet valve, the first air inlet valve 1 is closed, the first cleaning valve 7 is opened, and the third air outlet valve 6 is not changed at this time; at the moment, the waste gas enters the furnace body through the second air inlet valve 2, and enters the second combustion furnace B together with the cleaning air of the first combustion furnace A; at the moment, the concentration of the waste gas is greatly reduced, the gas output of the second combustion furnace B = the cleaning amount of the first combustion furnace A + the waste gas amount, the high-temperature section of the second combustion furnace B rapidly moves downwards, the exhaust temperature rapidly rises in the downward movement process, and a large amount of heat is discharged, so that the temperature in the furnace is ensured to be always in a set range; the cleaning time and the replacement time are only required to be prolonged to discharge a certain amount of heat.
When the temperature of the second combustion furnace B is reduced to a set value, the valve is sequentially reversed: the first exhaust valve 4 is opened, the third intake valve 3 is closed, the third exhaust valve 6 is opened, and the second intake valve 2 is closed; at the moment, the airflow trend of the furnace body is switched to the air inlet of the second combustion furnace B, the air outlet of the first combustion furnace A is realized, and the heat is accumulated on the first combustion furnace A;
and the heat accumulation and combustion are realized by sequentially circulating, such as repeated circulation. In the process, because a cleaning process can be added, the problem that the purification rate is not influenced by perfectly solving the problem of waste gas residue in the two-body regenerative furnace is solved. Although specific embodiments of the present invention have been described and illustrated in detail, it should be understood that various equivalent changes and modifications can be made to the above embodiments in accordance with the present invention, and the functional effects thereof without departing from the spirit of the present invention are also within the scope of the present invention.
Claims (2)
1. An RCO heat accumulating type catalytic combustion device comprises a furnace body, wherein the furnace body is provided with a first combustion furnace A and a second combustion furnace B, and an air inlet valve, an exhaust valve, a cleaning valve and an induced draft fan are arranged outside the furnace body, and the RCO heat accumulating type catalytic combustion device is characterized by further comprising a waste gas inlet pipeline (9), an air inlet pipeline (10) and an air outlet pipeline (11);
the air inlet valve comprises a first air inlet valve (1), a second air inlet valve (2) and a third air inlet valve (3);
the exhaust valves comprise a first exhaust valve (4), a second exhaust valve (5) and a third exhaust valve (6);
the cleaning valve comprises a first cleaning valve (7) and a second cleaning valve (8);
the waste gas inlet pipeline (9) is communicated with one ends of the first air inlet valve (1), the second air inlet valve (2) and the third air inlet valve (3) in sequence; the other end of the first air inlet valve (1) is communicated with the first combustion furnace A, the other end of the second air inlet valve (2) is communicated with the middle section of the furnace body, and the other end of the third air inlet valve (3) is communicated with the second combustion furnace B;
the air inlet pipeline (10) is communicated with one ends of the first cleaning valve (7) and the second cleaning valve (8) in sequence; the other end of the first cleaning valve (7) is communicated with the first combustion furnace A, and the other end of the second cleaning valve (8) is communicated with the second combustion furnace B;
one end of the air outlet pipeline (11) is communicated with the induced draft fan (12), and the other end of the air outlet pipeline is communicated with one end of the third exhaust valve (6), one end of the second exhaust valve (5) and one end of the first exhaust valve (4) in sequence; the other end of the third exhaust valve (6) is communicated with the second combustion furnace B, the other end of the second exhaust valve (5) is communicated with the middle section of the furnace body, and the other end of the first exhaust valve (4) is communicated with the first combustion furnace A.
2. An RCO regenerative catalytic combustion device according to claim 1, characterized in that the other end of said induced draft fan (12) is connected to the chimney (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920487093.3U CN210241600U (en) | 2019-04-11 | 2019-04-11 | RCO heat accumulating type catalytic combustion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920487093.3U CN210241600U (en) | 2019-04-11 | 2019-04-11 | RCO heat accumulating type catalytic combustion device |
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| CN210241600U true CN210241600U (en) | 2020-04-03 |
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| CN201920487093.3U Active CN210241600U (en) | 2019-04-11 | 2019-04-11 | RCO heat accumulating type catalytic combustion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043911A (en) * | 2019-04-11 | 2019-07-23 | 黄山天之都环境科技发展有限公司 | A kind of RCO regenerative catalytic combustion device and combustion method |
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2019
- 2019-04-11 CN CN201920487093.3U patent/CN210241600U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043911A (en) * | 2019-04-11 | 2019-07-23 | 黄山天之都环境科技发展有限公司 | A kind of RCO regenerative catalytic combustion device and combustion method |
| CN110043911B (en) * | 2019-04-11 | 2023-11-21 | 黄山天之都环境科技发展有限公司 | Combustion method of RCO heat accumulating type catalytic combustion device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A RCO regenerative catalytic combustion device Effective date of registration: 20210421 Granted publication date: 20200403 Pledgee: Jiaozhong Branch of Anhui Xiuning Rural Commercial Bank Co.,Ltd. Pledgor: HUANGSHAN TIANZHIDU ENVIRONMENT TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2021980002797 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230301 Granted publication date: 20200403 Pledgee: Jiaozhong Branch of Anhui Xiuning Rural Commercial Bank Co.,Ltd. Pledgor: HUANGSHAN TIANZHIDU ENVIRONMENT TECHNOLOGY DEVELOPMENT CO.,LTD. Registration number: Y2021980002797 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |