CN215001634U - RTO heat accumulator self-cleaning system - Google Patents
RTO heat accumulator self-cleaning system Download PDFInfo
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- CN215001634U CN215001634U CN202121488990.XU CN202121488990U CN215001634U CN 215001634 U CN215001634 U CN 215001634U CN 202121488990 U CN202121488990 U CN 202121488990U CN 215001634 U CN215001634 U CN 215001634U
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Abstract
The utility model belongs to the technical field of the environmental protection, concretely relates to RTO heat accumulator is from clean system, including heat accumulation formula thermal oxidation stove, heat accumulation formula thermal oxidation stove includes combustion chamber and a plurality of regenerator, all is equipped with the ceramic layer in a plurality of regenerators the air inlet or the gas outlet department of heat accumulation formula thermal oxidation stove are equipped with pressure sensor, the combustion chamber is connected with a plurality of regenerators respectively through the automatically cleaning pipeline. The utility model discloses can reach more than 99% from clean efficiency to RTO equipment heat accumulator part, from clean back, equipment pressure resumes to the value of setting of dispatching from the factory. The self-cleaning time of the heat accumulator is less than or equal to 2 hours, coking and adhesion substances can be removed without disassembling the equipment, and the production shutdown and equipment disassembly and maintenance cost is saved. Meanwhile, the service life of the heat accumulator is prolonged, and no secondary pollution is caused.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, concretely relates to RTO heat accumulator is from clean system.
Background
The Regenerative Thermal Oxidizer (RTO) is widely applied to the treatment of waste gas VOCs, and easy-to-coke and adhesion substances similar to tar can be mixed due to the complex components of the waste gas; or the burning process is not sufficient, and the produced substances which are similar to tar and easy to coke and adhere are easy to adhere; when passing through the heat accumulator unit, the substances are adhered and gathered on the heat accumulator, so that the heat efficiency of the heat accumulator unit is reduced, and the wind resistance is increased; affecting the normal operation of the RTO equipment.
When the existing RTO equipment has the condition, the equipment needs to be disassembled, and the heat accumulator needs to be cleaned or replaced. The production operation is influenced, and the overhauling difficulty and the cost are higher.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the RTO heat accumulator self-cleaning system is provided, so that the on-line self-cleaning of the heat accumulator unit can be realized, the coking and adhesion substances can be removed without disassembling the equipment, and the normal operation of the heat accumulator unit is recovered.
The utility model discloses an adopt following technical scheme to realize:
the RTO heat accumulator self-cleaning system comprises a heat accumulating type thermal oxidation furnace, wherein the heat accumulating type thermal oxidation furnace comprises a combustion chamber and a plurality of heat accumulating chambers, a ceramic layer is arranged in each heat accumulating chamber, a pressure sensor is arranged at an air inlet or an air outlet of the heat accumulating type thermal oxidation furnace, and the combustion chamber is respectively connected with the heat accumulating chambers through self-cleaning pipelines.
Preferably, a first induced draft fan is arranged on the self-cleaning pipeline.
Preferably, a plurality of burners are provided on the outer wall of the combustion chamber.
Preferably, the collecting pipeline is connected with the air inlet of the heat accumulating type thermal oxidation furnace through the gas-liquid separator and the second induced draft fan in sequence, and the air outlet of the heat accumulating type thermal oxidation furnace is connected with the high-exhaust chimney.
Preferably, the collecting pipeline is provided with a heat insulation sleeve, the exhaust temperature of the waste gas is 160-180 ℃, the collecting pipeline is firstly subjected to heat insulation and preheating, the temperature is kept above 140 ℃, organic substances in the waste gas are in a gaseous state as far as possible, and no liquid drops are separated out. Meanwhile, the gas-liquid separator is arranged at the front part of the system, so that a small amount of liquid drops in the waste gas can be removed, and good gas inlet conditions can be provided for a subsequent system.
Preferably, a flame arrester is arranged between the gas-liquid separator and the second induced draft fan, and the flame arrester is arranged, so that when the system is on fire accidentally, the flame can be prevented from being burnt back, and the production equipment is prevented from being damaged; the burning-resistant time of the flame arrester is more than or equal to 3 hours.
Preferably, the second induced draft fan is connected with a plurality of regenerators through the pipeline respectively, and a plurality of regenerators are connected with the second induced draft fan through the purge line.
The working principle and the process are as follows:
the preheated process waste gas enters a heat accumulating type thermal oxidation furnace for treatment under the action of a second induced draft fan, and VOCs are oxidized into raw CO2And H2Detecting equipment pressure change through an RTO equipment inlet and outlet pressure sensor; when the pressure loss of the RTO equipment reaches a set value, starting a burnout self-cleaning system; heat of the RTO combustion chamber is introduced into the heat storage chamber part through a self-cleaning pipeline, so that the temperature of all heat storage body ceramic media is raised to 450 ℃, organic substances adhered to the ceramic media are thoroughly removed, and the heat storage body achieves the self-cleaning purpose; and recovering the operation of the RTO equipment after the heat accumulator ceramic medium adhesive is burnt out.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses can reach more than 99% from clean efficiency to RTO equipment heat accumulator part, from clean back, equipment pressure resumes to the value of setting of dispatching from the factory. The self-cleaning system is simple to operate, when the self-cleaning state is needed, the equipment is in an alarm state, the operation interface is in a state of waiting for starting of the self-cleaning system, production personnel allocate the production system in a short time, after allocation is finished, a self-cleaning starting button is clicked, the RTO equipment enters a self-cleaning state, and the self-cleaning process is automatically operated; and after the self-cleaning is finished, the automatic operation state is recovered. The self-cleaning time of the heat accumulator is less than or equal to 2 hours, the production shutdown and equipment disassembly maintenance cost is saved, the service life of the heat accumulator is prolonged, and no secondary pollution is caused.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a collection pipe; 2. a thermal insulation sleeve; 3. a gas-liquid separator; 4. a flame arrestor; 5. a second induced draft fan; 6. a first induced draft fan; 7. purging the line; 8. self-cleaning the pipeline; 9. a regenerative thermal oxidation furnace; 10. a burner; 11. a combustion chamber; 12. a ceramic layer; 13. a regenerator; 14. a pressure sensor; 15. a high exhaust chimney.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the RTO heat accumulator self-cleaning system comprises a heat accumulating type thermal oxidation furnace 9, a collecting pipeline 1 is connected with an air inlet of the heat accumulating type thermal oxidation furnace 9 through a gas-liquid separator 3, a flame arrester 4 and a second induced draft fan 5 in sequence, a heat insulating sleeve 2 is arranged on the collecting pipeline 1, an air outlet of the heat accumulating type thermal oxidation furnace 9 is connected with a high-exhaust chimney 15, the heat accumulating type thermal oxidation furnace 9 comprises a combustion chamber 11 and a plurality of heat accumulating chambers 13, a ceramic layer 12 is arranged in each heat accumulating chamber 13, the gas outlet department of heat accumulation formula thermal oxidation furnace 9 is equipped with pressure sensor 14, combustor 11 is connected with a plurality of regenerators 13 respectively through automatically cleaning pipeline 8, is equipped with first draught fan 6 on the automatically cleaning pipeline 8, is equipped with a plurality of combustors 10 on the outer wall of combustor 11, and second draught fan 5 is connected with a plurality of regenerators 13 respectively through the pipeline, and a plurality of regenerators 13 all are connected with second draught fan 5 through purging pipeline 7.
Taking a certain glove production waste gas treatment project as an example, the gas contains plasticizer and viscosity reducing agent substances, and substances such as oils and the like can be separated out along with the temperature reduction, the RTO heat accumulator can be blocked in the long-term operation, during the work, the waste gas is collected into the collection pipeline 1 under the action of the second draught fan 5, then a small amount of liquid drops in the waste gas are removed through the gas-liquid separator 3, the waste gas is conveyed into the heat accumulating type thermal oxidation furnace 9 for treatment, the retention time is about 1-2 seconds in the environment of 800 ℃, VOCs are oxidized into raw CO2And H2O, after treatmentThe waste gas is discharged through a high-exhaust chimney 15 after reaching the standard. The processing system detects changes in the device pressure via the pressure sensor 14; when the pressure loss of the RTO equipment reaches a set value, starting a burnout self-cleaning system; heat of the RTO combustion chamber 11 is introduced into the heat storage chamber 13 part through the self-cleaning pipeline 8, so that the temperature of all heat storage body ceramic media is raised to 450 ℃, organic substances adhered to the ceramic media are thoroughly removed, and the heat storage body achieves the self-cleaning purpose; and recovering the operation of the RTO equipment after the heat accumulator ceramic medium adhesive is burnt out. After the heat accumulator self-cleaning system is configured, the heat accumulator is burnt out and self-cleaned every season, and the long-period operation of the RTO system is maintained.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (7)
1. The utility model provides a RTO heat accumulator is from clean system, includes heat accumulation formula thermal oxidation stove (9), its characterized in that: the heat accumulating type thermal oxidation furnace (9) comprises a combustion chamber (11) and a plurality of heat accumulating chambers (13), wherein ceramic layers (12) are arranged in the heat accumulating chambers (13), a pressure sensor (14) is arranged at an air inlet or an air outlet of the heat accumulating type thermal oxidation furnace (9), and the combustion chamber (11) is respectively connected with the heat accumulating chambers (13) through a self-cleaning pipeline (8).
2. The RTO heat accumulator self-cleaning system of claim 1, wherein: a first induced draft fan (6) is arranged on the self-cleaning pipeline (8).
3. The RTO heat accumulator self-cleaning system of claim 1, wherein: the outer wall of the combustion chamber (11) is provided with a plurality of burners (10).
4. The RTO heat accumulator self-cleaning system of claim 1, wherein: the collecting pipeline (1) is connected with the air inlet of the heat accumulating type thermal oxidation furnace (9) through a gas-liquid separator (3) and a second induced draft fan (5) in sequence, and the air outlet of the heat accumulating type thermal oxidation furnace (9) is connected with a high-exhaust chimney (15).
5. The RTO heat accumulator self-cleaning system of claim 4, wherein: the collecting pipeline (1) is provided with a heat insulation sleeve (2).
6. The RTO heat accumulator self-cleaning system of claim 4, wherein: a flame arrester (4) is arranged between the gas-liquid separator (3) and the second induced draft fan (5).
7. The RTO heat accumulator self-cleaning system of claim 4, wherein: the second induced draft fan (5) is respectively connected with the heat storage chambers (13) through pipelines, and the heat storage chambers (13) are connected with the second induced draft fan (5) through purging pipelines (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488990.XU CN215001634U (en) | 2021-06-30 | 2021-06-30 | RTO heat accumulator self-cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488990.XU CN215001634U (en) | 2021-06-30 | 2021-06-30 | RTO heat accumulator self-cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215001634U true CN215001634U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121488990.XU Active CN215001634U (en) | 2021-06-30 | 2021-06-30 | RTO heat accumulator self-cleaning system |
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| Country | Link |
|---|---|
| CN (1) | CN215001634U (en) |
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2021
- 2021-06-30 CN CN202121488990.XU patent/CN215001634U/en active Active
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