CN212057320U

CN212057320U - Waste gas incinerator

Info

Publication number: CN212057320U
Application number: CN202020204896.6U
Authority: CN
Inventors: 邢礼宏
Original assignee: Yancheng Dongfang Tiancheng Machinery Co ltd
Current assignee: Yancheng Dongfang Tiancheng Machinery Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-12-01
Anticipated expiration: 2030-02-25

Abstract

The utility model relates to a waste gas incinerator, including burning furnace body, intake pipe and outlet duct, still including the gas filtering component who arranges in burning furnace body, the gas filtering component is close to the intake pipe setting, burns the middle part of burning furnace body and has the partition wall, and the partition wall divide into first regenerator, combustion chamber and second regenerator with burning furnace body, and gas passes through first regenerator, combustion chamber, second regenerator in proper order after gas filtering component prefilter and discharges to the outlet duct, and one side of combustion chamber has the nozzle; the gas filtering component comprises a motor and a rotating shaft, a supporting plate is arranged on the lower side of the first heat storage chamber, a spiral rotating sheet arranged along the extending direction of the rotating shaft is arranged on the outer circumference of the rotating shaft above the supporting plate, and a filtering cylinder is arranged outside the rotating shaft. The utility model has the advantages of as follows: through setting up gas filtering component, carry out preliminary gas-solid separation to waste gas, improve the turbulent flow degree of waste gas in the incinerator simultaneously, realize best incineration effect and minimum secondary pollution.

Description

Waste gas incinerator

The technical field is as follows:

the utility model belongs to the waste gas treatment field, concretely relates to waste gas burns burning furnace.

Background art:

the combustible harmful gas is treated by burning, and the waste gas is led into the burning furnace to burn, so as to purify the gas and reduce the pollution. Then when the waste gas enters from the gas inlet pipe, more particle impurities are mixed, the gas containing more particle impurities is combusted at high temperature, a part of impurity particles can generate new pollutants and fall into the incinerator, a part of impurity particles is oxidized at high temperature and then is discharged together with the gas through the gas outlet pipe, and the treatment and purification effect of the waste gas is low;

secondly, when the waste gas passes through the first regenerator and the combustion chamber and is discharged through the second regenerator, the waste gas in the furnace is fully contacted with the fuel of the burner, and the residence time in the regenerator and the combustion chamber of the waste gas is longer, so that the best incineration effect and the lowest secondary pollution can be realized.

The utility model has the following contents:

the utility model aims at overcoming the not enough above, provide a waste gas incinerator, through setting up gas filtration subassembly, carry out preliminary gas-solid separation to waste gas, improve the turbulent flow degree of waste gas in the incinerator simultaneously, realize best incineration effect and minimum secondary pollution.

The purpose of the utility model is realized through the following technical scheme: a waste gas incinerator comprises an incinerator body, an air inlet pipe, an air outlet pipe and a gas filtering assembly arranged on the incinerator body, wherein the gas filtering assembly is arranged close to the air inlet pipe, a partition wall is arranged in the middle of the incinerator body and divides the incinerator body into a first regenerative chamber, a combustion chamber and a second regenerative chamber, gas is preliminarily filtered by the gas filtering assembly and then sequentially passes through the first regenerative chamber, the combustion chamber and the second regenerative chamber to be discharged to the air outlet pipe, a burner nozzle is arranged on one side of the combustion chamber, a heat exchanger is arranged in the second regenerative chamber and is connected with one end of the air outlet pipe, and a fan is arranged at the other end of the air outlet pipe;

gas filtering component includes the motor, the pivot, the downside of first regenerator has the backup pad, the vertical backup pad setting that runs through of pivot, the spiral heliciform revolving fragment that has the extending direction setting along the pivot on the outer circumference of backup pad top is arranged in to the pivot, the outside of pivot is equipped with inside hollow filtration cylinder, the one end of intake pipe extends to in the filtration cylinder, the both ends face of filtering the cylinder is for opening the lower terminal surface and the backup pad fixed connection of face and filtration cylinder, the outside terminal surface that the filtration cylinder is close to the combustion chamber has a plurality of stress release holes.

The utility model discloses a further improvement lies in: the middle part undercut of backup pad forms the depressed part, is connected with the passage that the downward sloping set up on the depressed part, and the one end of passage extends to the outside of burning furnace body, and this end of passage has the end cap.

The utility model discloses a further improvement lies in: the width of the spiral rotary piece is gradually increased from bottom to top.

The utility model discloses a further improvement lies in: the stress release holes are of an S-shaped structure.

The utility model discloses a further improvement lies in: the pivot runs through the depressed part and burns burning furnace body setting, and the pivot runs through the depressed part and burns burning furnace body's outer circumference and go up the cover and be equipped with the bearing.

The utility model discloses a further improvement lies in: the motor shaft of the motor is connected with the rotating shaft through a belt pulley.

The utility model discloses a further improvement lies in: ceramic heat storage bricks are stacked on the outer end faces of the first heat storage chamber and the second heat storage chamber.

Compared with the prior art, the utility model has the following advantage:

1. waste gas passes through the intake pipe and enters gas filtering component most advanced, the waste gas striking is on the heliciform rotor, make in the waste gas impurity solid take place the separation with gas fast, gas is along with heliciform rotor rebound, and the impurity solid gets rid of the inside wall to filtering circular cylinder under the effect of centrifugal force, when gas accesss to the combustion chamber and burns, the impurity solid receives gravity to fall into in the backup pad downwards, realize preliminary gas-solid separation to waste gas, avoid the waste gas that contains the impurity solid to produce new pollutant under the combustion of high temperature combustion chamber, the purifying effect of waste gas is improved.

2. The arrangement of the spiral rotating sheet can generate a turbulence degree for the waste gas, so that the waste gas enters the combustion chamber upwards around the spiral rotating sheet, the fuel sprayed by the burner is fully contacted with the waste gas, the residence time of the waste gas in the combustion chamber is prolonged due to the generation of a certain turbulence degree, the waste gas is fully combusted, and the best incineration effect and the lowest secondary pollution are realized.

3. First regenerator is close to the combustion chamber setting, and the temperature in the first regenerator has certain preheating effect to waste gas, just is less than the temperature of first regenerator from the waste gas temperature that the intake pipe got into, consequently there is certain temperature difference in the interior surface of filter cylinder, can appear surface fracture or the phenomenon of deformation because thermal stress concentrates in the filter cylinder, and the stress release hole of consequently S-shaped is effective with thermal stress release, avoids filter cylinder to take place to warp or the fracture.

4. Solid impurities fall onto the concave part of the supporting plate and fall into the material guide pipe, so that the cleanness of the interior of the incinerator body is kept.

Description of the drawings:

fig. 1 is a schematic structural diagram of the waste gas incinerator of the present invention.

Fig. 2 is an external structural schematic diagram of a filtering cylinder of the waste gas incinerator of the present invention.

Reference numbers in the figures:

1-incinerator body, 2-air inlet pipe, 3-air outlet pipe, 4-gas filtering component, 5-partition wall, 6-first regenerator, 7-second regenerator, 8-combustion chamber, 9-burner, 10-heat exchanger, 11-fan, 12-ceramic heat storage brick;

41-motor, 42-rotating shaft, 43-supporting plate, 44-spiral rotating piece, 45-filtering cylinder, 46-stress releasing hole, 47-concave part, 48-material guiding pipe, 49-plug, 410-bearing and 411-belt pulley.

The specific implementation mode is as follows:

in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship, such as those based on the drawings, are only for convenience of description and simplification of description, and do not indicate or imply that the structures or units indicated must have a specific orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise specified or limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, and those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.

Fig. 1 and 2 show an embodiment of an exhaust gas incinerator of the present invention, including incinerator body 1, air inlet pipe 2 and air outlet pipe 3, further including gas filtering component 4 disposed in incinerator body 1, gas filtering component 4 is disposed near air inlet pipe 2, partition wall 5 is disposed in the middle of incinerator body 1, partition wall 5 divides incinerator body 1 into first regenerator 6, combustion chamber 8 and second regenerator 7, gas is primarily filtered by gas filtering component 4 and then sequentially passes through first regenerator 6, combustion chamber 8 and second regenerator 7 to be discharged to air outlet pipe 3, burner 9 is disposed on one side of combustion chamber 8, heat exchanger 10 is disposed in second regenerator 7, heat exchanger 10 is connected with one end of air outlet pipe 3, and fan 11 is disposed on the other end of air outlet pipe 3;

the gas filtering component 4 comprises a motor 41 and a rotating shaft 42, a supporting plate 43 is arranged on the lower side of the first regenerative chamber 6, the rotating shaft 42 vertically penetrates through the supporting plate 43, the rotating shaft 42 is arranged on the outer circumference above the supporting plate 43 and is provided with a spiral rotating sheet 44 arranged along the extending direction of the rotating shaft 42, an internal hollow filtering cylinder 45 is arranged outside the rotating shaft 42, one end of the gas inlet pipe 2 extends into the filtering cylinder 45, two end faces of the filtering cylinder 45 are open faces, the lower end face of the filtering cylinder 45 is fixedly connected with the supporting plate 43, and a plurality of stress release holes 46 are formed in the end face of the filtering cylinder 45, which is close to the outer side of the.

The working principle is as follows: waste gas carries out prefiltration in 2 entering gas filtering component 4 of intake pipe, make impurity solid and gas separation in the waste gas, waste gas preheats through first regenerator 6, flow to carrying out the oxidation combustion in the combustion chamber 8, make the composition in the waste gas decompose into carbon dioxide and water, gas carries out heat recovery through second regenerator 7 again this moment, cooling through heat exchanger 10, thereby make clean gas discharge from outlet duct 3, reach the effect of purifying waste gas.

In the present invention, the heat exchanger 10 may be a commercially available product, which is not a technical problem to be solved by the present invention, and therefore, the detailed description and drawings of the specific structure of the heat exchanger 10 are omitted.

The utility model discloses waste gas passes through intake pipe 2 and enters gas filtering component 4 most advanced, the waste gas striking is on heliciform revolving fragment 44, make in the waste gas impurity solid take place the separation fast with gas, gas is along with heliciform revolving fragment 44 rebound, and impurity solid gets rid of the inside wall to filtering circular cylinder 45 under the effect of centrifugal force, when gas accesss to the combustion chamber and burns, impurity solid receives gravity to fall into in backup pad 43 downwards, realize preliminary gas-solid separation to waste gas, avoid the waste gas that contains impurity solid to produce new pollutant under high temperature combustion chamber 8's the burning, the purifying effect of waste gas is improved.

The arrangement of the spiral rotating sheet 44 can generate a turbulence degree for the waste gas, so that the waste gas enters the combustion chamber 8 upwards around the spiral rotating sheet 44, the fuel sprayed by the burner is fully contacted with the waste gas, the residence time of the waste gas in the combustion chamber is prolonged due to the generation of a certain turbulence degree, the waste gas is fully combusted, and the best incineration effect and the lowest secondary pollution are realized.

Further, the middle portion of the supporting plate 43 is recessed downward to form a recessed portion 47, a material guiding pipe 48 is connected to the recessed portion 47 and is inclined downward, one end of the material guiding pipe 48 extends to the outside of the incinerator body 1, and the end of the material guiding pipe 48 is provided with a plug 49. The solid impurities fall onto the recess 47 of the supporting plate 43 and into the guide pipe 48, maintaining the cleanliness of the inside of the incinerator body 1. The upper end of the guide tube 48 and the rotating shaft 42 simultaneously penetrate through the concave portion 47, the rotating shaft 42 of the utility model penetrates through the center of the concave portion 47, and the upper end of the guide tube 48 can be deviated from the accessory arranged on the rotating shaft 42.

Further, the width of the spiral rotating piece 44 is gradually increased from bottom to top, so that the turbulence degree of the waste gas is further improved.

Further, the stress release holes 412 have an "S" shaped structure. First regenerator 6 is close to combustion chamber 8 and sets up, and the temperature in the first regenerator 6 has certain preheating effect to waste gas, and the waste gas temperature that just gets into from the intake pipe is less than first regenerator 6' S temperature, consequently there is certain temperature difference in the interior external surface of filter cylinder 45, can appear surface fracture or the phenomenon of deformation because of thermal stress concentrates in the filter cylinder 45, and consequently S-shaped stress release hole 46 is effective with thermal stress release, avoids filter cylinder 45 to take place to warp or the fracture.

Further, the rotation shaft 42 is disposed to penetrate the recess 47 and the incinerator body 1, and the bearing 410 is sleeved on the outer circumference of the rotation shaft 42 penetrating the recess 47 and the incinerator body 1.

Further, a motor shaft of the motor 41 is connected to the rotating shaft 42 via a pulley 411.

After the motor 41 is started, a motor shaft of the motor 41 drives the belt pulley 411 to rotate, so as to drive the rotating shaft 42 to rotate, and the bearing 410 enables the rotating shaft 42 to rotate more stably and smoothly.

Furthermore, ceramic heat storage bricks 12 are stacked on the outer side end faces of the first heat storage chamber 6 and the second heat storage chamber 7, the refractoriness of the ceramic heat storage bricks 12 is high, phenomena such as blockage, melting, slag bonding and cracking are avoided, the service life is prolonged, and the heat storage capacity and the heat exchange speed are improved.

The present invention is not limited to the above-described embodiments, and the description of the embodiments and the description is only illustrative of the principles of the present invention, and various changes and modifications can be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An exhaust gas incinerator, characterized in that: comprises an incinerator body (1), an air inlet pipe (2), an air outlet pipe (3) and a gas filtering component (4) arranged on the incinerator body (1), the gas filtering component (4) is arranged close to the gas inlet pipe (2), the middle part of the incinerator body (1) is provided with a partition wall (5), the partition wall (5) divides the incinerator body (1) into a first regenerator (6), a combustion chamber (8) and a second regenerator (7), gas is preliminarily filtered by the gas filtering component (4) and then sequentially discharged to the gas outlet pipe (3) through the first regenerator (6), the combustion chamber (8) and the second regenerator (7), one side of the combustion chamber (8) is provided with a burner (9), the second regenerative chamber (7) is internally provided with a heat exchanger (10), the heat exchanger (10) is connected with one end of the air outlet pipe (3), and the other end of the air outlet pipe (3) is provided with a fan (11);

gas filtering component (4) include motor (41), pivot (42), the downside of first regenerator (6) has backup pad (43), the vertical backup pad (43) that runs through of pivot (42) sets up, spiral heliciform revolving fragment (44) that have on the outer circumference of backup pad (43) top along the extending direction setting of pivot (42) are arranged in pivot (42), the outside of pivot (42) is equipped with inside hollow filter cylinder (45), the one end of intake pipe (2) extends to in filter cylinder (45), the both ends face of filter cylinder (45) is the lower terminal surface and backup pad (43) fixed connection of open face and filter cylinder (45), the outside terminal surface that filter cylinder (45) are close to combustion chamber (8) has a plurality of stress release holes (412).

2. An exhaust gas incinerator according to claim 1 wherein: the middle part of the supporting plate (43) is downwards sunken to form a sunken part (47), a material guide pipe (48) which is downwards inclined is connected to the sunken part (47), one end of the material guide pipe (48) extends to the outside of the incinerator body (1), and a plug (49) is arranged at the end of the material guide pipe (48).

3. An exhaust gas incinerator according to claim 2 wherein: the width of the spiral rotary piece (44) is gradually increased from bottom to top.

4. An exhaust gas incinerator according to claim 3 wherein: the stress release holes (412) have an S-shaped structure.

5. An exhaust gas incinerator according to claim 4 wherein: the rotating shaft (42) penetrates through the concave part (47) and the incinerator body (1) and is provided with a bearing (410) in a sleeved mode, wherein the rotating shaft (42) penetrates through the concave part (47) and the outer circumference of the incinerator body (1).

6. An exhaust gas incinerator according to claim 5 wherein: the motor shaft of the motor (41) is connected with the rotating shaft (42) through a belt pulley (411).

7. An exhaust gas incinerator according to any one of claims 1 to 6 wherein: and ceramic heat storage bricks (12) are stacked on the outer end faces of the first heat storage chamber (6) and the second heat storage chamber (7).