CN215637220U - Heat accumulating type incinerator capable of treating high-concentration waste gas - Google Patents
Heat accumulating type incinerator capable of treating high-concentration waste gas Download PDFInfo
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- CN215637220U CN215637220U CN202121936493.1U CN202121936493U CN215637220U CN 215637220 U CN215637220 U CN 215637220U CN 202121936493 U CN202121936493 U CN 202121936493U CN 215637220 U CN215637220 U CN 215637220U
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Abstract
The utility model discloses a heat accumulating type incinerator capable of treating high-concentration waste gas, which comprises a rotary valve, a ceramic packing chamber, a furnace body, a ceramic heat accumulating chamber, a combustor, an air inlet, a fan, an air outlet, a chimney, a porous air guide pipe, an air guide hole, an alarm device and a filter device. The inner wall of the utility model is porous gas guide, so that the nourishing wind is sprayed into the furnace from different angles, and the burning is more thorough. Simultaneously, the device is provided with an alarm device, the safety of the device is high, the photosensitive tube is arranged beside the burner for detection, once flameout or ignition failure occurs, the buzzer is triggered to automatically cut off all the executing elements, and the device is safe and reliable.
Description
Technical Field
The utility model relates to a heat accumulating type incinerator capable of treating high-concentration waste gas, and belongs to the field of VOCS (volatile organic compounds) organic tail gas treatment.
Background
The regenerative incinerator is an efficient organic waste gas treatment device, is also an environment-friendly device most widely popularized in the current environment-friendly industry, is simple in process, safe and efficient, is widely applied to various industries such as chemical industry, pharmaceutical industry, coating industry, printing industry, packaging industry and the like, and is commonly provided with two-groove type, three-groove type, multi-groove type and rotary type.
VOCs volatile organic compounds refer to organic compounds with saturated vapor pressure of more than 70Pa at normal temperature and boiling point of 260 ℃ below under normal pressure, or all organic compounds with corresponding volatility and vapor pressure of more than or equal to 10Pa at 20 ℃.
Chinese patent publication No. CN208720241U discloses a regenerative incinerator capable of treating high concentration waste gas, which comprises a furnace body, the furnace body includes high temperature oxidation zone, left side regenerative energy-saving zone, right side regenerative energy-saving zone, left side low temperature zone and right side low temperature zone, the top in high temperature oxidation zone is provided with the combustor, high concentration waste gas air inlet and high temperature waste gas outlet, left side three-way switch valve connector and right side three-way switch valve connector are connected with a three-way switch valve jointly, the one end intercommunication of three-way switch valve has the system fan, the air intake connection of system fan has fresh tuber pipe and processing procedure waste gas pipe, be provided with fresh air proportional valve on the fresh tuber pipe, be provided with processing procedure waste gas shutoff valve on the processing procedure waste gas pipe. According to the utility model, part of high-concentration waste gas is led into the high-temperature oxidation zone directly without avoiding the heat accumulation energy-saving zone, so that the function of the heat accumulation type incinerator for treating the high-concentration waste gas is realized, and meanwhile, the treatment efficiency of the heat accumulation type incinerator is not influenced negatively.
The highest decomposition efficiency of VOCs of the rotary RTO can reach 99.5%, the thermal efficiency can reach 97%, the temperature difference between an inlet and an outlet of the rotary RTO is about 20 ℃, the heat loss in the operation of the RTO is reduced to the maximum extent, and the secondary recycling of heat energy is ensured. The smooth and continuous rotation of the rotary valve has only a pressure influence of + -25 pa on the exhaust gas pipe, which is extremely important for manufacturers of optical materials. Due to the high decomposition efficiency, the inlet flue gas concentration of VOCs for rotary RTO can be as high as 10g/m 3. Compared with a three-bed RTO in the prior art, the maximum decomposition efficiency of VOCs of the three-bed RTO is 99%, the maximum comprehensive thermal efficiency is 95%, the temperature difference between an inlet and an outlet is about 40 ℃, and the pressure fluctuation in an exhaust pipeline is +/-250 pa when the valve is switched. The VOCs treatment concentration of the three-bed RTO cannot exceed 5g/m3, or it may exceed local emission standards in Beijing and Shanghai. In addition, the heat dissipating capacity of the heat exchanger is large due to the large specific surface area, so that the quantity of the waste heat available for reuse is reduced. In summary, the basic performance of the rotary type is superior to that of the three-bed type in the prior art, and the rotary type RTO is optimized.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, an object of the present invention is to provide a regenerative incinerator capable of treating high concentration exhaust gas.
The utility model provides the following technical scheme:
the utility model provides a can handle heat accumulation formula of high concentration waste gas and burn burning furnace, includes rotary valve, ceramic packing chamber, furnace body, ceramic heat accumulation chamber, combustor, air inlet, fan, gas outlet and chimney, installs the ceramic packing chamber on the rotary valve, installs furnace body on the ceramic packing chamber installs combustor on the lateral wall of furnace body upper end installs in the furnace body and is located the ceramic heat accumulation chamber of combustor below, air inlet department install the fan, the fan pass through the breather pipe with the rotary valve is connected, and the chimney is installed to the gas outlet department that the rotary valve passes through the breather pipe and connects.
The multi-hole gas guide pipe is arranged at one end of the furnace body close to the combustor, the multi-hole gas guide pipe surrounds the side wall of the furnace body, and the air inlet of the multi-hole gas guide pipe is connected with an oxygen supply device through a ventilation pipeline; the air guide hole is arranged at one end of the furnace body close to the burner and penetrates through the side wall of one side of the porous air guide pipe; the alarm device comprises a photosensitive tube, a buzzer and a PLC (programmable logic controller), wherein the photosensitive tube is arranged in the burner, and the photosensitive tube and the buzzer are both electrically connected with the PLC; the filtering device is arranged between the air inlet and the fan.
Specifically, the ceramic packing chamber comprises 5 inlet chambers, 5 outlet chambers, 1 purging chamber and 1 isolating chamber.
Specifically, the oxygen supply device comprises an air preheater, a water-cooled heat exchanger and an oxygen supply fan, the porous air duct is connected with the air preheater through an air duct, the air preheater is connected with the water-cooled heat exchanger, and the air preheater is connected with the oxygen supply fan through the air duct.
Specifically, the air guide holes are uniformly distributed on the side wall of the furnace body around the axis of the furnace body.
Specifically, the filter device comprises flanges and a filter screen, and the filter screen is arranged between the two flanges.
Specifically, the filtering pores of the filter screen are smaller than 50 meshes.
The utility model has the beneficial effects that:
1. the inner wall of the utility model is porous gas guide, so that the nourishing wind is sprayed into the furnace from different angles, and the burning is more thorough.
2. The utility model is provided with the alarm device, has high safety, is safe and reliable, detects the external PLC controller through the photosensitive tube arranged beside the burner, and immediately triggers the buzzer to automatically cut off all the execution elements once flameout or ignition failure occurs.
3. The air inlet of the utility model is provided with the filtering device, and the waste gas can not contain obvious solid and dust, so the solid and dust in the waste gas are required to be left at the air inlet by the filtering device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view showing the internal structure of the filter device of the present invention;
fig. 3 is a front view of the screen of the present invention.
Labeled as: 1. a furnace body; 2. a ceramic regenerator; 3. a burner; 4. a fan; 5. an oxygen supply device; 6. a porous gas-guide tube; 7. a filtration device; 8. an air outlet; 9. an air inlet; 10. rotating the valve; 11. a chimney; 12. an air vent; 13. a ceramic packing chamber;
501. an air preheater; 502. a water-cooled heat exchanger; 503. an oxygen supply fan;
701. a flange; 702. and (5) filtering by using a filter screen.
Detailed Description
As shown in fig. 1, a regenerative incinerator capable of treating high concentration exhaust gas includes a rotary valve 10, a ceramic packing chamber 13, a furnace body 1, a ceramic regenerative chamber 2, a burner 3, an air inlet 9, a fan 4, an air outlet 8, and a chimney 11.
The ceramic packing chamber 13 is installed on the rotary valve 10, and the ceramic packing chamber 13 comprises 5 air inlet chambers, 5 air outlet chambers, 1 purging chamber and 1 isolating chamber, wherein the air inlet chambers are used as preheating zones, and the air outlet chambers are used as cooling zones. The furnace body 1 is arranged on the ceramic packing chamber 13, the combustor 3 is arranged on the side wall of the upper end of the furnace body 1, the ceramic heat storage chamber 2 is arranged in the furnace body 1 and is positioned below the combustor 3, the fan 4 is arranged at the air inlet 9, the fan 4 is connected with the rotary valve 10 through an air duct, and the chimney 11 is arranged at the air outlet 8 of the rotary valve 10 connected through the air duct.
Also comprises a porous gas-guide tube 6, a gas-guide hole 12, an alarm device and a filter device 7.
The air guide holes 12 are formed in one end, close to the combustor 3, of the furnace body 1, the air guide holes 12 penetrate through the side wall of one side of the porous air guide pipe 6, and the air guide holes 12 are uniformly distributed on the side wall of the furnace body 1 around the axis of the furnace body 1.
The porous gas-guide tube 6 is used for spraying the supplied oxygen into the furnace from different angles, so that the incineration is more thorough, and the uniform and abundant oxygen in the furnace body 1 is ensured.
The alarm device comprises a photosensitive tube, a buzzer and a PLC (programmable logic controller), wherein the photosensitive tube is arranged in the combustor 3, and the photosensitive tube and the buzzer are both electrically connected with the PLC; upon occurrence of a misfire or misfire, a feedback signal is fed back to the PLC controller, which immediately triggers the buzzer and automatically switches off all actuators.
The PLC controller is also electrically connected with a burner 3, a rotary valve 10, a fan 4 and an oxygen supply fan 503.
And the filtering device 7 is arranged between the air inlet 9 and the fan 4. The filter device 7 comprises a flange 701 and a filter screen 702, wherein the filter screen 702 is arranged between the two flanges 701; the filter mesh 702 has a filter aperture of less than 50 mesh. Since the exhaust gas cannot contain obvious solid and dust, the filtering device 7 is required to retain the solid and dust in the exhaust gas at the air inlet.
The working principle of the utility model is as follows:
the rotary valve 10 is driven by a motor to rotate continuously and uniformly, and under the action of the rotary valve 10, the waste gas slowly passes through 12 chambers in the ceramic packing chamber 13 in sequence. The waste gas enters a preheating zone in the ceramic packing chamber 13 through the rotary valve 10, so that the waste gas enters the ceramic heat storage chamber 2 at the top after being preheated to a certain temperature and is completely oxidized and decomposed. The purified high temperature gas leaves the ceramic regenerator 2 and enters the cooling zone within the ceramic packing chamber 13, while leaving heat to the ceramic regenerator 2, and the gas is cooled and discharged through the rotary valve 10. The ceramic packing chamber 13 of the cooling section absorbs heat and "stores" a large amount of heat for the next cycle to heat the exhaust gas.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A heat accumulating type incinerator capable of treating high-concentration waste gas comprises a rotary valve (10), a ceramic packing chamber (13), a furnace body (1), a ceramic heat accumulating chamber (2), a combustor (3), an air inlet (9), a fan (4), an air outlet (8) and a chimney (11), the ceramic packing chamber (13) is installed on the rotary valve (10), the furnace body (1) is installed on the ceramic packing chamber (13), the combustor (3) is installed on the side wall of the upper end of the furnace body (1), the ceramic heat accumulating chamber (2) is installed in the furnace body (1) and located below the combustor (3), the fan (4) is installed at the air inlet (9), the fan (4) is connected with the rotary valve (10) through an air vent pipeline, the chimney (11) is installed at the air outlet (8) of the rotary valve (10) connected through the air vent pipeline,
it is characterized by also comprising
The porous gas guide pipe (6) is arranged at one end of the furnace body (1) close to the combustor (3), the porous gas guide pipe (6) surrounds the side wall of the furnace body (1), and the air inlet of the porous gas guide pipe (6) is connected with an oxygen supply device (5) through a gas pipeline;
the air guide hole (12) is arranged at one end of the furnace body (1) close to the combustor (3), and the air guide hole (12) penetrates through the side wall of one side of the porous air guide pipe (6);
the alarm device comprises a photosensitive tube, a buzzer and a PLC (programmable logic controller), wherein the photosensitive tube is arranged in the combustor (3), and the photosensitive tube and the buzzer are both electrically connected with the PLC;
and the filtering device (7) is arranged between the air inlet (9) and the fan (4).
2. A regenerative incinerator capable of treating high concentration exhaust gas as claimed in claim 1 wherein said ceramic packing chamber (13) includes 5 inlet chambers, 5 outlet chambers, 1 purge chamber and 1 isolation chamber.
3. A regenerative incinerator according to claim 1 wherein said oxygen supply means (5) comprises an air preheater (501), a water cooled heat exchanger (502) and an oxygen supply fan (503), said porous air duct (6) being connected to said air preheater (501) through an air duct, said air preheater (501) being connected to said water cooled heat exchanger (502), said air preheater (501) being connected to said oxygen supply fan (503) through an air duct.
4. A regenerative incinerator according to claim 1 wherein said air holes (12) are uniformly distributed around the axis of said furnace body (1) on the side wall of said furnace body (1).
5. A regenerative incinerator according to claim 1 wherein the filter means (7) comprises flanges (701) and a screen (702), the screen (702) being installed between the two flanges (701).
6. A regenerative incinerator according to claim 5 wherein said screen (702) has a mesh size less than 50 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121936493.1U CN215637220U (en) | 2021-08-18 | 2021-08-18 | Heat accumulating type incinerator capable of treating high-concentration waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121936493.1U CN215637220U (en) | 2021-08-18 | 2021-08-18 | Heat accumulating type incinerator capable of treating high-concentration waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215637220U true CN215637220U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121936493.1U Active CN215637220U (en) | 2021-08-18 | 2021-08-18 | Heat accumulating type incinerator capable of treating high-concentration waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215637220U (en) |
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2021
- 2021-08-18 CN CN202121936493.1U patent/CN215637220U/en active Active
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