CN214223125U - Automatic back burning system of RTO coking - Google Patents
Automatic back burning system of RTO coking Download PDFInfo
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- CN214223125U CN214223125U CN202023036717.1U CN202023036717U CN214223125U CN 214223125 U CN214223125 U CN 214223125U CN 202023036717 U CN202023036717 U CN 202023036717U CN 214223125 U CN214223125 U CN 214223125U
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Abstract
The utility model discloses an RTO coking automatic reverse combustion system, which comprises a furnace body, the inside of furnace body divide into a plurality of groups ceramic bed through a plurality of groups baffle equidistance, and is equipped with the honeycomb heat accumulator in the ceramic bed, the top of honeycomb heat accumulator forms the oxidizing chamber, the below of honeycomb heat accumulator becomes the distribution room, the upper and lower end of honeycomb heat accumulator is connected with the thermocouple respectively, the upper end equidistance of furnace body is connected with a plurality of groups of nozzles, the upper end of nozzle is connected with combustion-supporting pump, the upper end of combustion-supporting pump is connected with the gas pipe, the one end of nozzle still is connected with the reverse combustion pipe, one side of reverse combustion pipe is connected with first air intake pipe, still be connected with the reverse combustion fan on the reverse combustion pipe, the one end of reverse combustion pipe is connected to the below of furnace body through the reverse combustion branch pipe respectively and is located the lower extreme of distribution room respectively; the utility model adopts the high-temperature reverse burning function to remove the coking of the RTO ceramic bed.
Description
Technical Field
The utility model relates to an automatic anti-system of burning technical field specifically is an automatic anti-system of burning of RTO coking.
Background
RTO is a high-efficiency organic waste gas treatment device. Compared with the traditional catalytic combustion and direct combustion thermal oxidation furnace (TO), the novel waste heat recovery device has the characteristics of high thermal efficiency (more than or equal TO 95 percent), low operation cost, capability of treating low-concentration waste gas in large air volume and the like, and can also perform secondary waste heat recovery when the concentration is slightly high, thereby greatly reducing the production and operation cost. Provided is a regenerative oxidation furnace. The principle is that organic matters (VOCs) in the waste gas are oxidized into corresponding carbon dioxide and water at high temperature, so that the waste gas is purified, heat released during decomposition of the waste gas is recovered, the three-chamber RTO waste gas decomposition efficiency reaches over 99 percent, and the heat recovery efficiency reaches over 95 percent. The RTO main structure comprises a combustion chamber, a regenerative chamber, a switching valve and the like. However, when coking is carried out in the existing RTO equipment, the coking cannot be well back-burnt, and certain technical defects exist, so that an RTO coking automatic back-burning system is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic back burning system of RTO coking to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic anti-system of burning of RTO coking, includes the furnace body, the inside of furnace body divide into a plurality of ceramic beds of group through a plurality of baffle equidistance of group, and is equipped with the honeycomb regenerator in the ceramic bed, the top of honeycomb regenerator forms the oxidizing chamber, the lower square composition distribution room of honeycomb regenerator, the upper and lower end of honeycomb regenerator is connected with the thermocouple respectively, the upper end equidistance of furnace body is connected with a plurality of group's nozzles, the upper end of nozzle is connected with combustion-supporting pump, combustion-supporting pump's upper end is connected with the gas pipe, the one end of nozzle still is connected with anti-burning pipe, one side of anti-burning pipe is connected with first air intake pipe, still be connected with anti-burning fan on the anti-burning pipe, the one end of anti-burning pipe is connected to the below of furnace body and is located the lower extreme of distribution room respectively through anti-burning branch connection to, the lower extreme of distribution room still has connected gradually waste gas inlet branch pipe, The exhaust gas treatment device comprises a back-blowing branch pipe and an exhaust branch pipe, wherein the lower end of the exhaust gas inlet branch pipe is connected with an exhaust gas inlet main pipe, one end of the exhaust gas inlet main pipe is connected with a second air inlet pipe, the lower end of the back-blowing branch pipe is connected with a back-blowing main pipe, one end of the back-blowing main pipe is connected with a back-blowing fan, one end of the back-blowing fan is connected with an air return pipe, one end of the exhaust branch pipe is connected with an exhaust main pipe, one end of the air return pipe is connected to the exhaust main pipe, and the upper end of the furnace body is connected with an emergency discharge tower.
As a further optimization of the technical scheme, one side of the oxidation chamber is connected with a pressure transmitter.
As a further optimization of the technical scheme, one end of the burner is connected to the reverse combustion pipe through an elbow pipe, and one end of the first air inlet pipe is connected to one side of the reverse combustion pipe through the elbow pipe.
As a further optimization of the technical scheme, one end of the first air inlet pipe is connected with a first air inlet fan.
As a further optimization of the technical scheme, the upper end of the furnace body is also provided with a second explosion-proof opening.
As the further optimization of the technical scheme, the upper end of the waste gas inlet main pipe is sequentially connected with a stop valve, a flame arrester and a first explosion-proof opening.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when the furnace body admits air and when the exhaust pressure difference surpasss a definite value, the resistance of bed risees promptly, the system can remind the needs to get into the anti-stage of burning this moment, the anti-system of burning includes anti-pipe of burning, first air intake pipe, anti-fan of burning, anti-branch pipe of burning, the blowback branch pipe, the blowback is responsible for, the blowback fan, the muffler, when carrying out, three beds that the furnace body set up maintain a bed and admit air, this ceramic bed can progressively carry out anti-burning with certain temperature gradient, guarantee that the whole gasification or oxidation of the glue that condenses of cold is whole, thereby cleared up the ceramic bed, three beds carry out anti-burning in turn, the anti-system of burning has automatic and manual two kinds of modes, the automatic mode is when equipment moves, after the caking reaches a certain degree, equipment carries out the anti-burning procedure automatically; the manual mode is that when an operator considers that the cleaning is needed according to the requirement, the operator can click the back-burning button to automatically clean the RTO ceramic bed, and the coking of the RTO ceramic bed is removed by adopting the high-temperature back-burning function.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 3 is a schematic structural view of the back burning system of the present invention.
In the figure: 1. a furnace body; 2. an oxidation chamber; 3. a thermocouple; 4. a partition plate; 5. a honeycomb heat accumulator; 6. a pressure transmitter; 7. a second explosion-proof port; 8. burning a nozzle; 9. a combustion-supporting pump; 10. a gas pipe; 11. an emergency discharge tower; 12. a pressure transmitter; 13. a reverse combustion fan; 14. a distribution chamber; 15. a second air intake duct; 16. a shut-off valve; 17. an exhaust gas inlet branch pipe; 18. back burning the branch pipe; 19. a back flushing branch pipe; 21. a flame arrestor; 22. a first explosion-proof port; 23. a main exhaust gas inlet pipe; 28. a back-blowing fan; 29. an air return pipe; 30. a main exhaust pipe; 31. back burning the tube; 32. a first air intake duct; 33. an exhaust branch pipe; 34. and a back flushing main pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that a designated mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an RTO coking automatic reverse combustion system comprises a furnace body 1, the inside of the furnace body 1 is divided into a plurality of groups of ceramic beds by a plurality of groups of partition plates 4 at equal intervals, a honeycomb heat accumulator 5 is arranged in each ceramic bed, an oxidation chamber 2 is formed above the honeycomb heat accumulator 5, a lower square component distribution chamber 14 of the honeycomb heat accumulator 5 is formed, the upper end and the lower end of the honeycomb heat accumulator 5 are respectively connected with a thermocouple 3, the upper end at the furnace body 1 is connected with a plurality of groups of burners 8 at equal intervals, the upper end of each burner 8 is connected with a combustion-supporting pump 9, the upper end of each combustion-supporting pump 9 is connected with a gas pipe 10, one end of each burner 8 is also connected with a reverse combustion pipe 31, one side of each reverse combustion pipe 31 is connected with a first air inlet pipe 32, each reverse combustion pipe 31 is also connected with a reverse combustion fan 13, one end of each reverse combustion pipe 31 is respectively connected to the lower part of the furnace body 1 through a reverse combustion branch pipe 18 and is respectively located at the lower end of the distribution chamber 14, the lower extreme of distribution chamber 14 still has connected gradually waste gas inlet branch 17, blowback branch pipe 19, exhaust branch 33, waste gas inlet branch 17's lower extreme is connected with waste gas and admits air and is responsible for 23, waste gas admits air and is responsible for 23 one end and still is connected with second air intake pipe 15, blowback branch pipe 19's lower extreme is connected with the blowback and is responsible for 34, the blowback is responsible for 34 one end and is connected with blowback fan 28, blowback fan 28's one end is connected with muffler 29, exhaust branch 33's one end is connected with the exhaust and is responsible for 30, muffler 29's one end is connected to the exhaust and is responsible for 30 on, the upper end of furnace body 1 is connected with urgent emission tower 11.
Specifically, one side of the oxidation chamber 2 is connected with a pressure transmitter 6. Specifically, one end of the burner 8 is connected to the reverse combustion pipe 31 through a bent pipe, and one end of the first air inlet pipe 32 is connected to one side of the reverse combustion pipe 31 through a bent pipe. Specifically, one end of the first air inlet pipe 32 is connected to the first air inlet fan 12. Specifically, the upper end of the furnace body 1 is also provided with a second explosion-proof opening 7. Specifically, the upper end of the waste gas inlet main pipe 23 is also sequentially connected with a shut-off valve 16, a flame arrester 21 and a first explosion-proof opening 22.
When the preheating furnace is used, the interior of the furnace body 1 is divided into three ceramic beds after preheating is finished, the operation modes of the three ceramic beds are that one ceramic bed enters one ceramic bed and one ceramic bed exits one ceramic bed, the waste gas inlet main pipe 23 is connected into the furnace body 1 and firstly enters the No. 1 ceramic bed on the left side for preheating, the waste gas is fully oxidized in a combustion chamber and then is discharged out of a chimney through the No. 2 ceramic beds in the middle and the No. 3 ceramic beds on the right side, the No. 3 ceramic beds are in a purging stage in the period, and the first operation period is finished; then the valve is switched, the waste gas enters the No. 2 ceramic bed to be preheated and is fully oxidized in the combustion chamber and then is discharged out of the main exhaust pipe 30 from the No. 3 ceramic bed, the second operation period is completed, the No. 1 ceramic bed is in the purging stage in the period, the analogy is repeated until the third period is completed, the inlet and the outlet of the tail gas are circularly switched among the three ceramic beds, the continuous operation process of the furnace body 1 of the RTO equipment is completed, and the coking of the RTO ceramic bed is removed by adopting the high-temperature reverse burning function; when the pressure difference between the air inlet and the air outlet of the furnace body 1 exceeds a certain value (more than 3000 pa), namely the resistance of the bed layer rises (ammonium salt blocks ceramic at the bottom of the ceramic bed), the system reminds that a back burning stage needs to be entered, the back burning system comprises a back burning pipe 31, a first air inlet pipe 32, a back burning fan 13, a back burning branch pipe 18, a back blowing branch pipe 19, a back blowing main pipe 34, a back blowing fan 28 and a back blowing pipe 29, when the system is executed, three bed layers arranged in the furnace body 1 maintain one bed layer air inlet, the ceramic bed gradually carries out back burning (the integral temperature of the ceramic bed is 200 ℃, 250 ℃ and 350 ℃) at a certain temperature gradient, each temperature is maintained for 30-60 min, all cold-condensed glue is ensured to be gasified or oxidized, thereby the ceramic bed is cleaned, the three bed layers carry out back burning in turn, the back burning system has two modes of automatic mode and manual mode, the automatic mode is that when the equipment runs, after the glue is formed to a certain degree, the equipment automatically executes a reverse burning program; the manual mode is that when the operating personnel think needs to clear up as required, can click the automatic clearance of back-burning button, the back-burning button is on the controller.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic back burning system of RTO coking, includes furnace body (1), its characterized in that: the utility model discloses a gas burner, including furnace body (1), the inside of furnace body (1) divide into a plurality of ceramic beds of group through a plurality of group baffle (4) equidistance, and is equipped with honeycomb heat accumulator (5) in the ceramic bed, the top of honeycomb heat accumulator (5) forms oxidation chamber (2), the below of honeycomb heat accumulator (5) divides cloth room (14), the upper and lower end of honeycomb heat accumulator (5) is connected with thermocouple (3) respectively, the upper end equidistance of furnace body (1) is connected with a plurality of group nozzles (8), the upper end of nozzle (8) is connected with combustion-supporting pump (9), the upper end of combustion-supporting pump (9) is connected with gas pipe (10), the one end of nozzle (8) still is connected with anti-burning pipe (31), one side of anti-burning pipe (31) is connected with first air intake pipe (32), still be connected with anti-burning fan (13) on anti-burning pipe (31), the one end of anti-burning pipe (31) is connected to the below of furnace body (1) through anti-burning branch pipe (18) respectively and is located the distribution respectively and distributes The lower extreme of room (14), the lower extreme of distribution room (14) still has connected gradually waste gas inlet branch pipe (17), blowback branch pipe (19), exhaust branch pipe (33), the lower extreme of waste gas inlet branch pipe (17) is connected with waste gas and admits air and is responsible for (23), the waste gas is admitted air and is responsible for the one end of (23) and still is connected with second air intake pipe (15), the lower extreme of blowback branch pipe (19) is connected with blowback person in charge (34), the one end that blowback person in charge (34) is connected with blowback fan (28), the one end of blowback fan (28) is connected with muffler (29), the one end of exhaust branch pipe (33) is connected with the exhaust person in charge (30), the one end of muffler (29) is connected to the exhaust person in charge (30), the upper end of furnace body (1) is connected with urgent emission tower (11).
2. An RTO coking automatic reverse combustion system according to claim 1, characterized in that: one side of the oxidation chamber (2) is connected with a pressure transmitter (6).
3. An RTO coking automatic reverse combustion system according to claim 1, characterized in that: one end of the burner (8) is connected to the reverse combustion pipe (31) through an elbow, and one end of the first air inlet pipe (32) is connected to one side of the reverse combustion pipe (31) through an elbow.
4. An RTO coking automatic reverse combustion system according to claim 1, characterized in that: one end of the first air inlet pipe (32) is connected with a first air inlet fan (12).
5. An RTO coking automatic reverse combustion system according to claim 1, characterized in that: the upper end of the furnace body (1) is also provided with a second explosion-proof opening (7).
6. An RTO coking automatic reverse combustion system according to claim 1, characterized in that: the upper end of the waste gas inlet main pipe (23) is also sequentially connected with a stop valve (16), a flame arrester (21) and a first explosion-proof opening (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023036717.1U CN214223125U (en) | 2020-12-17 | 2020-12-17 | Automatic back burning system of RTO coking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023036717.1U CN214223125U (en) | 2020-12-17 | 2020-12-17 | Automatic back burning system of RTO coking |
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| CN214223125U true CN214223125U (en) | 2021-09-17 |
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| CN202023036717.1U Active CN214223125U (en) | 2020-12-17 | 2020-12-17 | Automatic back burning system of RTO coking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231993A (en) * | 2023-11-01 | 2023-12-15 | 江苏大信环境科技有限公司 | Anti-corrosion anti-blocking RTO system for fine chemical tail gas |
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2020
- 2020-12-17 CN CN202023036717.1U patent/CN214223125U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231993A (en) * | 2023-11-01 | 2023-12-15 | 江苏大信环境科技有限公司 | Anti-corrosion anti-blocking RTO system for fine chemical tail gas |
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