CN211358007U

CN211358007U - Environment-friendly waste gas incinerator

Info

Publication number: CN211358007U
Application number: CN201922320379.5U
Authority: CN
Inventors: 赵振乾; 宋保德
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-28
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an environment-friendly waste gas incinerator, wherein an annular opening is arranged on the side body of the incinerator; an air inlet pipeline is arranged on the annular opening; the air inlet pipeline comprises an upper baffle, a lower baffle, a rotational flow plate and a filtering device; the upper baffle and the lower baffle are both circular; the rotational flow plate is arranged between an upper baffle and a lower baffle outside the incinerator; the filtering device is arranged between the upper baffle and the lower baffle inside the incinerator; an air inlet is also arranged on one side of the air inlet pipeline; the top end of the incinerator is provided with a gas pipeline; a fuel gas inlet pipe is arranged below the gas transmission pipeline; the gas inlet pipe is provided with a nozzle. Compared with the prior art, the beneficial effects of the utility model are that: the problem of large difference of the flue gas concentration is solved, and simultaneously, the content of particle impurities in the waste gas is reduced by adopting a physical filtration method through mechanical design; meanwhile, the structure design is more reasonable, the corrosion condition of the equipment is reduced while the heat exchange energy is fully utilized, and the waste material in the incinerator is discharged more conveniently.

Description

Environment-friendly waste gas incinerator

Technical Field

The utility model relates to an burn the burning furnace field, concretely relates to environment-friendly waste gas burns burning furnace.

Background

The waste gas incinerator utilizes the heat produced by combustion of auxiliary fuel to raise the temperature of combustible harmful gas to reaction temperature so as to produce oxidation decomposition. The waste gas incinerator is suitable for treating waste gas of spraying and drying equipment and purifying harmful gas emitted from petrochemical, medicine and other industries. The method has the advantages of purifying the gas containing water-soluble or viscous substances and high molecular substances in the organic waste gas. The requirements of environmental protection and labor protection are met, and meanwhile, heat exchange equipment is added, so that the purposes of waste heat recycling and energy saving are achieved.

However, due to the fluidity and the uncertainty of the waste gas, the discontinuous concentration difference is large, so that the situation of instantaneous local overhigh combustion can occur in the combustion process, meanwhile, when the concentration of the waste gas is overhigh, the particles contained in the waste gas are also increased, the impact force is also enhanced, the pipeline in the incinerator is also greatly impacted, and the problems of equipment aging and corrosion are increasingly aggravated after a long time; meanwhile, due to the characteristics of the structure of the incinerator, the inside of the incinerator is inconvenient to clean and cannot be discharged automatically.

Disclosure of Invention

The utility model provides an environment-friendly waste gas incinerator, which is characterized in that the problem of large difference of flue gas concentration is solved, and simultaneously, the content of particle impurities in waste gas is reduced by adopting a physical filtration method through mechanical design; meanwhile, the structure design is more reasonable, the corrosion condition of the equipment is reduced while the heat exchange energy is fully utilized, and the waste material in the incinerator is discharged more conveniently.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly waste gas incinerator comprises an incinerator with a cylindrical structure; an annular opening is formed in the side body of the incinerator; an air inlet pipeline is arranged on the annular opening; the air inlet pipeline comprises an upper baffle, a lower baffle, a rotational flow plate and a filtering device; the upper baffle and the lower baffle are both circular; the cyclone plate is arranged between an upper baffle and a lower baffle outside the incinerator; the filter device is arranged between the upper baffle and the lower baffle in the incinerator, the upper end of the filter device penetrates through the upper baffle, and the lower end of the filter device penetrates through the lower baffle; an air inlet is also formed in one side of the air inlet pipeline; the top end of the incinerator is provided with a gas pipeline; a fuel gas inlet pipe is arranged below the gas transmission pipeline; a plurality of gas inlet pipes are wound around by taking a gas transmission pipeline as a shaft; and a plurality of spray heads which are distributed at equal intervals are arranged on the gas inlet pipe.

As optimization, the filtering device is provided with a plurality of upper baffles and lower baffles which are uniformly distributed in the incinerator; the filtering device comprises an upper filtering pipe, a lower filtering pipe and swirl vanes; the lower end of the upper filtering pipe is embedded in the upper end of the lower filtering pipe; the cyclone blades are arranged in an annular structure formed by the outer part of the lower end of the upper filtering pipe and the inner part of the upper end of the lower filtering pipe.

Preferably, the rotational directions of the rotational flow blades and the rotational flow plate are consistent.

As optimization, the upper end of the filtering device is provided with an upper clamping plate, and the lower end of the filtering device is provided with a lower clamping plate; the upper end of the upper filtering pipe is provided with an upper clamping ring; the lower end of the filtering lower pipe is provided with a lower clamping ring; the filtering device is clamped and embedded between the upper clamping plate and the lower clamping plate through the upper clamping ring and the lower clamping ring.

Preferably, the upper ends of the swirl vanes are flush with the upper end of the lower baffle.

As optimization, the upper clamping plate is provided with an opening matched with the upper filtering pipe, and the opening is of an inverted frustum structure; the lower end of the lower filtering pipe is of an inverted cone structure, and a plurality of reinforcing triangular plates which are distributed at equal intervals are arranged on the lower clamping ring; and the upper end of the upper clamping ring and the lower end of the lower clamping ring are both provided with sealing rings.

Preferably, the air inlet is positioned in the tangential direction of the air inlet pipeline.

Preferably, the installation direction of the spray head is consistent with the flowing direction of the airflow.

As optimization, a guide plate is arranged above the gas inlet pipe; the number and the position of the guide plates correspond to those of the gas inlet pipes, and the coverage area of the guide plates is larger than that of the gas inlet pipes; the guide plate is of a V-shaped structure, and the lower side of the V-shaped structure is of a sawtooth structure.

As optimization, exchange tubes in a continuous S-shaped structure are arranged in the guide plate; an exchange tube inlet and an exchange tube outlet are respectively arranged at two ends of the exchange tube; the inlet and the outlet of the exchange tube penetrate through the side wall of the incinerator and are respectively connected with an external circulating pipeline.

Compared with the prior art, the beneficial effects of the utility model are as follows: the air inlet pipeline of the incinerator is redesigned, so that the waste gas can realize a self-spinning effect, the full mixing of the waste gas is achieved, the filtering device is used for carrying out primary screening and filtering on larger particles contained in the waste gas, meanwhile, the impact force of the waste gas on the incinerator due to conveying is greatly relieved through the filtering device, and the erosion of equipment is reduced; further, the direction of the spray head is optimized, the guide plate internally provided with the exchange tube is additionally arranged, so that the waste gas and the impact flame are fully combusted, meanwhile, the energy consumption is saved by utilizing heat energy, the flowing speed of the waste gas is slowed down through the structural design of the guide plate, meanwhile, secondary pollution caused by discharging of sundries after the waste gas is combusted along with air waves is also prevented, and the sundries fall into the filtering device again through dead weight and are discharged through the collecting port.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the air inlet duct of the present invention.

Fig. 3 is a schematic structural diagram of the filtering apparatus of the present invention.

Fig. 4 is a schematic structural diagram of the gas transmission pipeline part of the present invention.

Fig. 5 is a schematic structural view of the deflector of the present invention.

The device comprises an air inlet pipeline 1, an air inlet 2, an upper baffle 3, a lower baffle 4, a rotational flow plate 5, a filtering device 6, an upper clamping plate 7, a lower clamping plate 8, a collecting port 9, a gas transmission pipeline 10, a gas inlet pipe 11, a spray head 12, a guide plate 13, an exchange pipe 14, an exchange pipe inlet 15, an exchange pipe outlet 16, a filtering upper pipe 17, a filtering lower pipe 18, rotational flow blades 19, an upper clamping ring 20, a lower clamping ring 21 and a sealing ring 22.

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.

As shown in fig. 1 and 2, an environment-friendly waste gas incinerator includes an incinerator of a cylindrical structure; an annular opening is formed in the side body of the incinerator; an air inlet pipeline 1 is arranged on the annular opening; the air inlet pipeline 1 comprises an upper baffle 3, a lower baffle 4, a rotational flow plate 5 and a filtering device 6; the upper baffle 3 and the lower baffle 4 are both circular; the rotational flow plate 5 is arranged between the upper baffle plate 3 and the lower baffle plate 4 outside the incinerator; the filter device 6 is arranged between the upper baffle 3 and the lower baffle 4 in the incinerator, the upper end of the filter device 6 penetrates through the upper baffle 3, and the lower end of the filter device 6 penetrates through the lower baffle 4; an air inlet 2 is also arranged on one side of the air inlet pipeline 1; the air inlet 2 is positioned in the tangential direction of the air inlet pipeline 1. Make air inlet 2 be in on the tangential direction of intake stack 1, more be favorable to the waste gas to form the vortex circulation in the pipeline again for waste gas mixes more evenly, and the too big condition of concentration difference takes place in the reduction waste gas, takes place in order to avoid can appearing the local burning too fiercely in the incinerator, the great condition of temperature difference.

As shown in fig. 3, the filtering device 6 is provided with a plurality of upper baffles 3 and lower baffles 4 which are uniformly distributed in the incinerator; the filtering device 6 comprises an upper filtering pipe 17, a lower filtering pipe 18 and a swirl vane 19; the lower end of the upper filtering pipe 17 is embedded in the upper end of the lower filtering pipe 18; the swirl vanes 19 are provided in an annular structure formed by both the outside of the lower end of the upper filtering pipe 17 and the inside of the upper end of the lower filtering pipe 18. Because filter equipment 6's structural design, through the structural design of overhead gage 3 and lower baffle 4, form the condition of relative seal for waste gas must enter into filtering lower tube 18 through whirl blade 19, and through centrifugal action, make the particulate matter discharge from filtering lower tube 18 lower extreme export, waste gas enters into the combustion reaction storehouse of burning furnace from filtering upper tube 17, and filter equipment not only the effectual mechanical primary that has realized filters, has also further reduced the impact force of waste gas simultaneously. The flow speed and the dispersion direction of the exhaust gas can be changed by changing the caliber size and the control distribution of the number of the filtering devices.

The rotational directions of the swirl vanes 19 and the swirl plate 5 are the same. The gas flow speed is further improved by adopting one direction, and the centrifugal filtering effect is improved.

The upper end of the filtering device 6 is provided with an upper clamping plate 7, and the lower end of the filtering device is provided with a lower clamping plate 8; the upper end of the upper filtering pipe 17 is provided with an upper clamping ring 20; the lower end of the filtering lower pipe 18 is provided with a lower clamping ring 21; the filtering device 6 is clamped and embedded between the upper clamping plate 7 and the lower clamping plate 8 through an upper clamping ring 20 and a lower clamping ring 21. By adopting the structure, the installation and the use are convenient, and the later maintenance and the replacement are convenient.

The upper ends of the swirl vanes 19 are flush with the upper end of the lower baffle 4. So as to ensure that no particulate matter exists in the air inlet pipeline 1.

The upper clamping plate 7 is provided with an opening matched with the upper filtering pipe 17, and the opening is of an inverted frustum structure; the lower end of the lower filtering pipe 18 is of an inverted cone structure, and a plurality of reinforcing triangular plates which are distributed at equal intervals are arranged on the lower clamping ring 21; and the upper end of the upper snap ring 20 and the lower end of the lower snap ring 21 are both provided with a sealing ring 22. The particles, which are obstructed after combustion, fall by their own weight into the upper filtering duct 17 and are finally discharged from the collection opening 9.

As shown in fig. 4 and 5, a gas pipeline 10 is provided at the top end of the incinerator; a gas inlet pipe 11 is arranged below the gas transmission pipeline 10; a plurality of gas inlet pipes 11 are wound around by taking the gas transmission pipeline 10 as a shaft; the gas inlet pipe 11 is provided with a plurality of spray heads 12 distributed at equal intervals. The nozzle 12 is installed in the same direction as the flow of the gas stream in order to avoid impact erosion of the nozzle with respect to the exhaust gas.

A guide plate 13 is arranged above the gas inlet pipe 11; the number and the position of the guide plates 13 correspond to those of the gas inlet pipe 11, and the coverage area of the guide plates 13 is larger than that of the gas inlet pipe 11; the guide plate 13 is in a V-shaped structure, and the lower side of the V-shaped structure is in a sawtooth structure. The design of the V-shaped structure increases the turbulent flow area of the waste gas, slows down the flow speed of the waste gas, and scatters the impacted flame around through the guide plate 13 to fully perform combustion reaction with the waste gas; due to the structural design of the zigzag structure, the area of the guide plate 13 is increased, the flow speed of waste gas is further hindered, and sundries after combustion are prevented from being discharged from an exhaust port above the incinerator along with hot waves.

As shown in fig. 5, an exchange tube 14 in a continuous S-shaped structure is arranged in the guide plate 13; an exchange tube inlet 15 and an exchange tube outlet 16 are respectively arranged at two ends of the exchange tube 14; the exchange tube inlet 15 and the exchange tube outlet 16 penetrate through the side wall of the incinerator and are respectively connected with an external circulation pipeline. The local space and the structure are reasonably utilized, the heat generated by the combustion of the flame sprayed by the spray head and the waste gas is utilized, the heat is collected and stored through the guide plate 13, the heat exchange function is realized through the exchange tube 14, and the energy consumption is reasonably utilized.

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. An environment-friendly waste gas incinerator comprises an incinerator with a cylindrical structure; the method is characterized in that: an annular opening is formed in the side body of the incinerator; an air inlet pipeline (1) is arranged on the annular opening; the air inlet pipeline (1) comprises an upper baffle (3), a lower baffle (4), a rotational flow plate (5) and a filtering device (6); the upper baffle (3) and the lower baffle (4) are both circular; the cyclone plate (5) is arranged between the upper baffle (3) and the lower baffle (4) outside the incinerator; the filter device (6) is arranged between the upper baffle (3) and the lower baffle (4) in the incinerator, the upper end of the filter device (6) penetrates through the upper baffle (3), and the lower end of the filter device (6) penetrates through the lower baffle (4); an air inlet (2) is also arranged on one side of the air inlet pipeline (1); the top end of the incinerator is provided with a gas pipeline (10); a gas inlet pipe (11) is arranged below the gas transmission pipeline (10); a plurality of gas inlet pipes (11) are wound around the gas pipeline (10) as a shaft; the gas inlet pipe (11) is provided with a plurality of spray heads (12) distributed at equal intervals.

2. The environment-friendly waste gas incinerator according to claim 1, wherein: the filtering device (6) is provided with a plurality of upper baffles (3) and lower baffles (4) which are uniformly distributed in the incinerator; the filtering device (6) comprises an upper filtering pipe (17), a lower filtering pipe (18) and swirl vanes (19); the lower end of the upper filtering pipe (17) is embedded in the upper end of the lower filtering pipe (18); the swirl vanes (19) are arranged in an annular structure formed by the outer part of the lower end of the upper filtering pipe (17) and the inner part of the upper end of the lower filtering pipe (18).

3. The environment-friendly exhaust gas incinerator according to claim 2, wherein: the rotational directions of the rotational flow blades (19) and the rotational flow plate (5) are consistent.

4. The environment-friendly exhaust gas incinerator according to claim 2, wherein: the upper end of the filtering device (6) is provided with an upper clamping plate (7), and the lower end is provided with a lower clamping plate (8); an upper clamping ring (20) is arranged at the upper end of the upper filtering pipe (17); the lower end of the lower filtering pipe (18) is provided with a lower clamping ring (21); the filtering device (6) is clamped and embedded between the upper clamping plate (7) and the lower clamping plate (8) through the upper clamping ring (20) and the lower clamping ring (21).

5. The environment-friendly exhaust gas incinerator according to claim 2, wherein: the upper ends of the rotational flow blades (19) are flush with the upper end of the lower baffle (4).

6. The environment-friendly waste gas incinerator according to claim 4, wherein: the upper clamping plate (7) is provided with an opening matched with the upper filtering pipe (17), and the opening is of an inverted frustum structure; the lower end of the lower filtering pipe (18) is of an inverted cone structure, and a plurality of reinforcing triangular plates which are distributed at equal intervals are arranged on the lower clamping ring (21); and the upper end of the upper snap ring (20) and the lower end of the lower snap ring (21) are both provided with sealing rings (22).

7. The environment-friendly waste gas incinerator according to claim 1, wherein: the air inlet (2) is positioned in the tangential direction of the air inlet pipeline (1).

8. The environment-friendly waste gas incinerator according to claim 1, wherein: the installation direction of the spray head (12) is consistent with the flowing direction of the airflow.

9. The environment-friendly waste gas incinerator according to claim 1, wherein: a guide plate (13) is arranged above the gas inlet pipe (11); the number and the position of the guide plates (13) correspond to those of the gas inlet pipes (11), and the coverage area of the guide plates (13) is larger than that of the gas inlet pipes (11); the guide plate (13) is of a V-shaped structure, and the lower side of the V-shaped structure is of a sawtooth structure.

10. The environment-friendly exhaust gas incinerator according to claim 9, wherein: an exchange tube (14) in a continuous S-shaped structure is arranged in the guide plate (13); an exchange tube inlet (15) and an exchange tube outlet (16) are respectively arranged at two ends of the exchange tube (14); the exchange tube inlet (15) and the exchange tube outlet (16) penetrate through the side wall of the incinerator and are respectively connected with an external circulation pipeline.