CN210441227U

CN210441227U - Novel RTO heat accumulation oxidation device

Info

Publication number: CN210441227U
Application number: CN201921170090.3U
Authority: CN
Inventors: 邱才娣; 叶和国
Original assignee: Fuside Longyan Environmental Protection Equipment Co Ltd
Current assignee: Fuside Longyan Environmental Protection Equipment Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-01
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a novel RTO thermal storage oxidation device relates to exhaust-gas treatment technical field, for solving the great problem of current heat energy loss. The bottom of casing is provided with heat accumulation bed, the bottom of first spacer and second spacer all is provided with first valve, the opposite side of first spacer is provided with first regenerator, be provided with thermal oxidation chamber between first spacer and the second spacer, one side of second spacer is provided with the second regenerator, the inside of heat accumulation bed is provided with first communicating pipe, one side of casing is provided with the blast pipe, the intermediate position department of blast pipe is provided with the second valve, the below of blast pipe is provided with second communicating pipe, the one end of second communicating pipe is provided with the blowback forced draught blower, the opposite side of casing is provided with the spark arrester, the one end of spark arrester is provided with the intake pipe, the zeolite runner is installed to the other end of intake pipe, filter equipment is installed to one side of zeolite runner.

Description

Novel RTO heat accumulation oxidation device

Technical Field

The utility model relates to a waste gas treatment technical field specifically is a novel RTO heat accumulation oxidation device.

Background

RTO, namely a regenerative oxidation furnace, is a high-efficiency organic waste gas treatment device. Compared with the traditional catalytic combustion and direct combustion type thermal oxidation furnace, the high-efficiency direct-fired thermal oxidation furnace has the characteristics of high thermal efficiency, low operation cost, capability of treating low-concentration waste gas with large air volume and the like, and can also carry out secondary waste heat recovery when the concentration is slightly high, thereby greatly reducing the production and operation cost.

However, in the use process of the existing RTO heat storage oxidation device, the treated waste gas is often directly discharged, the heat in the waste gas is ignored, the temperature of the waste gas treated in the device is low, a large amount of heat is needed for heating, and a large amount of heat energy loss is caused, so that the existing requirement is not met, and a novel RTO heat storage oxidation device is provided for the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel RTO heat accumulation oxidation unit to solve the great problem of the heat energy loss that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel RTO thermal storage oxidation device comprises a shell, wherein a combustion chamber is arranged above the inside of the shell, a flame detector is arranged on one side of the combustion chamber, a thermal storage bed is arranged at the bottom of the shell, a first partition block is arranged above the thermal storage bed, a second partition block is arranged on one side of the first partition block, first valves are arranged at the bottoms of the first partition block and the second partition block respectively, a first thermal storage chamber is arranged on the other side of the first partition block, a thermal oxidation chamber is arranged between the first partition block and the second partition block, a second thermal storage chamber is arranged on one side of the second partition block, thermal storage blocks are arranged inside the first thermal storage chamber, the thermal oxidation chamber and the second thermal storage chamber respectively, a bulge is arranged above the thermal storage blocks, a first communication pipe is arranged inside the thermal storage bed, and one end of the first communication pipe extends to the inside of the second thermal storage chamber, the utility model discloses a heat recovery device, including casing, first communicating pipe, back-flushing blower, zeolite runner, filter equipment, the intermediate position department of first communicating pipe is provided with the switching-over valve, one side of casing is provided with the blast pipe, the intermediate position department of blast pipe is provided with the second valve, the below of blast pipe is provided with second communicating pipe, the one end of second communicating pipe is provided with the back-flushing blower, the top of back-flushing blower is provided with the back-flushing pipe, and the back-flushing pipe passes the inside that the heat accumulation bed extends to the second regenerator, the intermediate position department of back-flushing pipe is provided with the third valve, the opposite side of casing is provided with the spark arrester, the one end of spark arrester is provided with the intake pipe, and the one.

Preferably, the first communication pipe is connected with the air inlet pipe in a sealing manner, and the first communication pipe is fixedly connected with the heat storage bed.

Preferably, the protrusion and the heat storage block are of an integral structure.

Preferably, filter equipment's internally mounted has the filter screen, and the filter screen installs two, the filter screen passes through the draw-in groove with filter equipment and is connected, the below of filter screen is provided with the dust storage box.

Preferably, the second communicating pipe is in sealed connection with the exhaust pipe, and the blowback blower is in sealed connection with the second communicating pipe and the blowback pipe.

Preferably, the flame arrestor is in sealed connection with the air inlet pipe and the housing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a bottom at the heat accumulation bed is provided with first communicating pipe, the one end of first communicating pipe is connected in the bottom of second regenerator, the other end and intake-tube connection, be provided with the switching-over valve in the middle of the first communicating pipe, through opening the switching-over valve, the exothermic waste gas of thermal oxidation gets into to the intake pipe in the second regenerator by first communicating pipe, because the waste gas after handling is preserved and is had a large amount of heats, will deposit a large amount of thermal processed gas through first communicating pipe and send to the intake pipe and need the waste gas of handling again and combine together, the in-process of combination has improved the heat of organic waste gas, thereby the in-process that preheats when getting into first regenerator can reduce thermal loss, thereby accelerate thermal oxidation's progress, the cyclic utilization of energy has been improved.

2. The utility model discloses a heat accumulation piece has stable chemical property and thermal property for preheat and cooling gas, and the heat accumulation piece is become by the multilayer ceramic plate block group that has the lug for there is the gap between every layer of ceramic plate, and its characteristics are good anti-clogging, and thermal shock and thermal stress resistance ability are strong, difficult damage.

3. The utility model discloses a be provided with filter equipment, at first when through absorbing organic waste gas through filter equipment, because the inside filter screen that is provided with of filter equipment, can filter the dust in the organic waste gas, prevent that the dust from caking in the heat accumulation oxidation unit, thereby influence life, be provided with the zeolite runner in one side of filter equipment simultaneously, the zeolite runner is with the big amount of wind, the waste gas of low concentration is concentrated to the high concentration, the waste gas of little amount of wind, thereby reduce the input cost and the running cost of equipment, improve the high efficiency processing of waste gas.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective view of the heat storage block of the present invention;

fig. 3 is a schematic view of the internal structure of the filtering device of the present invention.

In the figure: 1. a housing; 2. a flame detector; 3. a combustion chamber; 4. a heat storage block; 5. a first spacer block; 6. a first valve; 7. a first regenerator; 8. a thermal oxidation chamber; 9. a second regenerator; 10. an air suction port; 11. a filtration device; 12. a zeolite wheel; 13. an air inlet pipe; 14. a flame arrestor; 15. a first communication pipe; 16. a diverter valve; 17. an exhaust pipe; 18. a second valve; 19. A second communicating pipe; 20. a blowback blower; 21. a blowback pipe; 22. a protrusion; 23. filtering with a screen; 24. a dust storage box; 25. a third valve; 26. a heat storage bed; 27. and a second spacer.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a novel RTO thermal storage oxidation device comprises a shell 1, a combustion chamber 3 is arranged above the interior of the shell 1, a flame detector 2 is arranged on one side of the combustion chamber 3, the flame detector 2 can monitor whether open fire and circle cutting angles exist in the thermal storage oxidation device, a thermal storage bed 26 is arranged at the bottom of the shell 1, a first partition block 5 is arranged above the thermal storage bed 26, a second partition block 27 is arranged on one side of the first partition block 5, first valves 6 are arranged at the bottoms of the first partition block 5 and the second partition block 27, a first thermal storage chamber 7 is arranged on the other side of the first partition block 5, the first thermal storage chamber 7 is mainly used for preheating organic waste gas, a thermal oxidation chamber 8 is arranged between the first partition block 5 and the second partition block 27, the thermal oxidation chamber 8 carries out main oxidative decomposition work, a second thermal storage chamber 9 is arranged on one side of the second partition block 27, and thermal storage blocks 4 are arranged in the first thermal storage chamber 7, the thermal oxidation chamber 8 and the second thermal storage chamber 9, a bulge 22 is arranged above the heat accumulation block 4, a first communicating pipe 15 is arranged in a heat accumulation bed 26, one end of the first communicating pipe 15 extends into the second heat accumulation chamber 9, a reversing valve 16 is arranged at the middle position of the first communicating pipe 15, an exhaust pipe 17 is arranged at one side of the shell 1, a second valve 18 is arranged at the middle position of the exhaust pipe 17, a second communicating pipe 19 is arranged below the exhaust pipe 17, a back-blowing blower 20 is arranged at one end of the second communicating pipe 19, a back-blowing pipe 21 is arranged above the back-blowing blower 20, the back-blowing pipe 21 passes through the heat accumulation bed 26 and extends into the second heat accumulation chamber 9, a third valve 25 is arranged at the middle position of the back-blowing pipe 21, a flame arrester 14 is arranged at the other side of the shell 1, an air inlet pipe 13 is arranged at one end of the flame arrester 14, one end of the air inlet pipe 13 extends into the shell 1, a zeolite, the zeolite wheel 12 can concentrate the waste gas with large air volume and low concentration into the waste gas with high concentration and small air volume, thereby reducing the investment cost and the operation cost of equipment and improving the high-efficiency treatment of the waste gas, wherein one side of the zeolite wheel 12 is provided with a filtering device 11, and one side of the filtering device 11 is provided with an air suction port 10.

Further, first connecting pipe 15 and intake pipe 13 sealing connection, first connecting pipe 15 and heat accumulation bed 26 fixed connection, will have a large amount of thermal processed gas to send to intake pipe 13 through first connecting pipe 15 and combine together with the waste gas that needs to handle again, the in-process of combination has improved the heat of organic waste gas, thereby the in-process that preheats when getting into first regenerator 7 can reduce thermal loss, thereby accelerate the progress of heat accumulation oxidation, the cyclic utilization of energy has been improved.

Furthermore, the bulge 22 and the heat storage block 4 are of an integral structure, and the heat storage block 4 is composed of a plurality of ceramic plate blocks with the bulge 22, so that gaps exist between every two ceramic plate layers.

Further, filter equipment 11's internally mounted has filter screen 23, and filter screen 23 installs two, and filter screen 23 passes through the draw-in groove with filter equipment 11 and is connected, and filter screen 23's below is provided with dust storage box 24, because filter equipment 11 is inside to be provided with filter screen 23, can filter the dust in the organic waste gas, prevents that the dust from caking in heat accumulation oxidation unit and blockking up to influence life.

Further, the second communicating pipe 19 is hermetically connected with the exhaust pipe 17, the blowback blower 20 is hermetically connected with the second communicating pipe 19 and the blowback pipe 21, the treated exhaust gas is discharged after being released heat by the second heat storage chamber 9 which does not store heat, and a part of the treated gas is led back to the second heat storage chamber 9 through the second communicating pipe 19 to purge the remaining untreated exhaust gas therein.

Further, a flame arrester 14 is sealingly connected to the air inlet 13 and the housing 1, the flame arrester 14 being capable of preventing internal high temperatures from causing backfire along the air inlet 13.

The working principle is as follows: when the device is used, the fan is started to suck air, organic waste gas enters the filtering device 11 through the air suction port 10, the filtering device 11 is internally provided with the filter screen 23, dust in the organic waste gas can be filtered, the dust is prevented from blocking in the heat storage oxidation device, so that the service life is influenced, meanwhile, one side of the filtering device 11 is provided with the zeolite rotating wheel 12, the zeolite rotating wheel 12 concentrates the waste gas with large air volume and low air volume to the waste gas with high concentration and small air volume, so that the investment cost and the operating cost of the device are reduced, the high-efficiency treatment of the waste gas is improved, the pretreated organic waste gas enters the shell 1 from the air inlet pipe 13 and firstly enters the first heat storage chamber 7, the first heat storage chamber 7 mainly carries out preheating work, the heated organic waste gas enters the thermal oxidation chamber 8 through the first valve 6 to carry out oxidation treatment, and the oxidized organic waste gas is decomposed to generate carbon dioxide and water, the emission standard is achieved, the treated gas enters a second heat storage chamber 9 for heat release, and is finally discharged outside through an exhaust pipe 17, heat storage blocks 4 are arranged inside a first heat storage chamber 7, a thermal oxidation chamber 8 and the second heat storage chamber 9, the heat storage blocks 4 have stable chemical properties and thermal properties and are used for preheating and cooling the gas, each heat storage block 4 is composed of a plurality of layers of ceramic plates with bulges 22, gaps exist among the layers of ceramic plates, the heat storage device is characterized by having good blocking resistance, strong thermal shock resistance and thermal stress resistance and being not easy to damage, meanwhile, a first communication pipe 15 is arranged at the bottom of a heat storage bed 26, one end of the first communication pipe 15 is connected to the bottom of the second heat storage chamber 9, the other end of the first communication pipe is connected with an air inlet pipe 13, a reversing valve 16 is arranged in the middle of the first communication pipe 15, and the waste gas which is subjected to thermal oxidation and heat release in the second heat storage chamber 9 enters the, because the gas after handling is retained a large amount of heats, will keep having a large amount of thermal treated gas to send to intake pipe 13 through first connecting pipe 15 and combine together with the waste gas that needs to handle again, the in-process of combination has improved the heat of organic waste gas to the in-process that preheats when getting into first regenerator 7 can reduce thermal loss, thereby accelerates the progress of heat accumulation oxidation, has improved the cyclic utilization of energy.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel RTO thermal storage oxidation device, includes casing (1), its characterized in that: the improved heat-accumulating type gas burner is characterized in that a combustion chamber (3) is arranged above the interior of the shell (1), a flame detector (2) is arranged on one side of the combustion chamber (3), a heat-accumulating bed (26) is arranged at the bottom of the shell (1), a first partition block (5) is arranged above the heat-accumulating bed (26), a second partition block (27) is arranged on one side of the first partition block (5), a first valve (6) is arranged at the bottom of each of the first partition block (5) and the second partition block (27), a first heat-accumulating chamber (7) is arranged on the other side of each of the first partition blocks (5), a heat-oxidizing chamber (8) is arranged between each of the first partition block (5) and the second partition block (27), a second heat-accumulating chamber (9) is arranged on one side of each of the second partition block (27), and heat-accumulating blocks (4) are arranged inside each of the first heat-oxidizing chamber (7), each of the heat-oxidizing chamber, the top of heat accumulation piece (4) is provided with arch (22), the inside of heat accumulation bed (26) is provided with first communicating pipe (15), and the one end of first communicating pipe (15) extends to the inside of second regenerator (9), the intermediate position department of first communicating pipe (15) is provided with switching-over valve (16), one side of casing (1) is provided with blast pipe (17), the intermediate position department of blast pipe (17) is provided with second valve (18), the below of blast pipe (17) is provided with second communicating pipe (19), the one end of second communicating pipe (19) is provided with blowback forced draught blower (20), the top of blowback forced draught blower (20) is provided with blowback pipe (21), and blowback pipe (21) pass heat accumulation bed (26) and extend to the inside of second regenerator (9), the intermediate position department of blowback pipe (21) is provided with third valve (25), the opposite side of casing (1) is provided with spark arrester (14), the one end of spark arrester (14) is provided with intake pipe (13), and the one end of intake pipe (13) extends to the inside of casing (1), zeolite runner (12) are installed to the other end of intake pipe (13), filter equipment (11) are installed to one side of zeolite runner (12), one side of filter equipment (11) is provided with induction port (10).

2. The novel RTO regenerative thermal oxidizer of claim 1, wherein: the first communication pipe (15) is connected with the air inlet pipe (13) in a sealing mode, and the first communication pipe (15) is fixedly connected with the heat storage bed (26).

3. The novel RTO regenerative thermal oxidizer of claim 1, wherein: the bulges (22) and the heat storage block (4) are of an integrated structure.

4. The novel RTO regenerative thermal oxidizer of claim 1, wherein: the inside mounting of filter equipment (11) has filter screen (23), and filter screen (23) install two, filter screen (23) are connected through the draw-in groove with filter equipment (11), the below of filter screen (23) is provided with dust storage box (24).

5. The novel RTO regenerative thermal oxidizer of claim 1, wherein: the second communicating pipe (19) is connected with the exhaust pipe (17) in a sealing mode, and the back blowing blower (20) is connected with the second communicating pipe (19) and the back blowing pipe (21) in a sealing mode.

6. The novel RTO regenerative thermal oxidizer of claim 1, wherein: the flame arrester (14) is connected with the air inlet pipe (13) and the shell (1) in a sealing mode.