CN214745800U

CN214745800U - Mix wind type direct incinerator

Info

Publication number: CN214745800U
Application number: CN202121000065.8U
Authority: CN
Inventors: 刘逊; 张竞宜; 刘迎; 杨春贤; 柴维军; 张其超; 顾悦; 刘芳芳; 周倩倩
Original assignee: Shanghai Profound Enviromental Technology Co ltd
Current assignee: Shanghai Profound Enviromental Technology Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-16
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a mix wind type direct incinerator, including the furnace body, between waste gas air-supply line and exhaust pipe set gradually the air distribution board in the furnace body inner chamber, mix wind board, aviation baffle and combustor, first aviation baffle hole is wedge and the internal diameter that communicates first aviation baffle one end is less than the other end, the second aviation baffle hole is wedge and communicates second aviation baffle one end's internal diameter and is greater than the other end, is located the top first aviation baffle and second aviation baffle downward sloping are located the below first aviation baffle and second aviation baffle tilt up, the gradient of first aviation baffle is greater than the gradient of second aviation baffle, the combustor is the both sides of multiunit and symmetry setting at the furnace body. The utility model provides a mix wind type direct combustion furnace embeds there is the waste gas air-supply line and the air-supply line of cross orientation to and the grid plate, mix aerofoil and aviation baffle, the combined use is in order to realize that the efficient mixes the wind and handles, makes waste gas burn more fully, thoroughly.

Description

Mix wind type direct incinerator

Technical Field

The utility model relates to a waste gas treatment technical field specifically is a mix wind type direct incinerator.

Background

The TO furnace is a direct-fired thermal oxidation furnace, is a waste gas incineration treatment device for direct combustion, and is a waste gas treatment device for raising the temperature of combustible harmful waste gas VOCs TO reaction temperature by utilizing heat generated by combustion of auxiliary fuel so as TO generate oxidative decomposition, so that a direct combustion method is one of the most effective treatment modes for VOCs with high calorific value.

The drawbacks of the prior art include, but are not limited to: 1. the existing direct incinerator often causes insufficient combustion because of uneven mixing of waste gas and air, thereby not only influencing the waste gas treatment effect, but also having certain potential safety hazard; 2. the existing air mixing structure is too simple or too complex, is complex to install, has higher cost and is not suitable for air mixing treatment of gas in a direct incinerator.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: an object of the utility model is to provide a mix wind type direct incinerator to solve the problem that proposes among the above-mentioned background art.

A mixed air type direct incinerator comprises a furnace body, wherein a waste gas air inlet pipe and an air inlet pipe are communicated and arranged on one side of the furnace body, and an exhaust pipe is communicated and arranged on one side of the furnace body, which is far away from the waste gas air inlet pipe;

the furnace body is characterized in that an air distribution plate, an air mixing plate, an air deflector and a burner are sequentially arranged in an inner cavity of the furnace body between a waste gas air inlet pipe and a waste gas exhaust pipe, a first air guide hole and a second air guide hole are symmetrically formed in the air deflector, the first air guide hole is communicated with the first air guide pipe, the second air guide hole is communicated with the second air guide pipe, the first air guide hole is wedge-shaped, the inner diameter of one end communicated with the first air guide pipe is smaller than that of the other end of the first air guide pipe, the inner diameter of one end communicated with the second air guide pipe is larger than that of the other end of the second air guide pipe, the first air guide pipe and the second air guide pipe above the furnace body are inclined downwards, the first air guide pipe and the second air guide pipe below the furnace body are inclined upwards, the inclination of the first air guide pipe is larger than that of the second air guide pipe, and the burners are arranged on two sides of the furnace body in a plurality of groups symmetrically.

Preferably, the furnace body includes the carbon steel casing, the inboard of carbon steel casing is fixed in proper order and is provided with interior heat preservation cotton, ceramic fiber board and anti-corrosion coating, the anti-corrosion coating is kept away from ceramic fiber board one side subsides and is equipped with a plurality of resistant firebricks, adjacent two resistant firebrick outside subsides are equipped with same skeleton board, every equal screw thread runs through on the skeleton board and is provided with two sets of anchor nails, and two sets of anchor nails run through adjacent two resistant firebricks respectively, the anti-corrosion coating back inlay card sets up in ceramic fiber board.

Preferably, the waste gas air-supply line communicates in the waste gas honeycomb duct, the intercommunication is provided with a plurality of waste gas shower nozzles on the waste gas honeycomb duct, the air-supply line communicates in the air honeycomb duct, the intercommunication is provided with a plurality of air shower nozzles on the air honeycomb duct, waste gas shower nozzle and air shower nozzle all set up in the inner chamber of furnace body.

Preferably, the waste gas nozzle is arranged obliquely downwards, and the air nozzle is arranged obliquely upwards.

Preferably, the cross-sectional shapes of the air distribution plate and the inner cavity of the furnace body are the same, and a plurality of air distribution holes are formed in the air distribution plate.

Preferably, mix the wind board and seted up and mix the wind chamber, it is provided with a plurality of inlet channels to mix one side intercommunication that the wind chamber is close to the waste gas air-supply line, it is provided with a plurality of outlet channel that converge to mix one side intercommunication that the wind chamber is close to the exhaust pipe.

Preferably, the inner diameter of the confluence outlet passage is larger than that of the inlet passage.

Preferably, the bottom of the furnace body is symmetrically and fixedly provided with a supporting base.

Has the advantages that:

1. the utility model provides a mixed air type direct incinerator, which is internally provided with a waste gas nozzle which is arranged obliquely downwards and an air nozzle which is arranged obliquely upwards, so that waste gas and air can be mixed in a cross way when entering the inner cavity of the incinerator body, and the mixed air effect is effectively improved;

2. the utility model provides a mix wind type direct combustion furnace, built-in cloth wind board and mix wind board, the former makes waste gas and air mix after more even, avoids the too big condition of local velocity of flow, the latter carries out the secondary mixing to the gas to carry out preliminary water conservancy diversion in the export passageway that converges, promote the effective scope that the gas mixture concentrates on the combustor, make to burn more thoroughly;

3. the utility model provides a mix wind type direct incinerator, first wind-guiding hole are wedge and the internal diameter that communicates first guide duct one end is less than the other end for the gaseous velocity of flow that flows increases, and the second wind-guiding hole is wedge and the internal diameter that communicates second guide duct one end is greater than the other end, makes the gaseous velocity of flow of outflow slow down, in addition, homonymy the gradient of first guide duct is greater than the gradient of second guide duct, and therefore the air current gradient of both sides is big, the velocity of flow is high, promotes the cross mixing that takes place between the gas of top and below once more, reaches better effect of mixing wind, makes the gas mixing more even.

The utility model provides a mix wind type direct combustion furnace embeds there is the waste gas air-supply line and the air-supply line of cross orientation to and the grid plate, mix aerofoil and aviation baffle, the combined use is in order to realize that the efficient mixes the wind and handles, makes waste gas burn more fully, thoroughly.

Drawings

FIG. 1 is a schematic front sectional view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the furnace body according to the present invention;

fig. 3 is a schematic structural diagram of the air distribution plate of the present invention;

fig. 4 is a schematic structural diagram of the air mixing plate of the present invention.

In the figure: 1. a furnace body; 101. a carbon steel shell; 102. inner heat insulation cotton; 103. a ceramic fiber board; 104. an anti-corrosion layer; 105. a refractory brick; 106. a framework plate; 107. anchoring nails; 2. an exhaust gas inlet pipe; 3. an air inlet pipe; 4. a waste gas guide pipe; 5. an exhaust gas showerhead; 6. an air draft tube; 7. an air shower; 8. a wind distribution plate; 801. air distribution holes; 9. a wind mixing plate; 901. a mixed air cavity; 902. an inlet channel; 903. a conflux outlet passage; 10. an air deflector; 11. a first air guiding hole; 12. a first air duct; 13. a second air guiding hole; 14. a second air duct; 15. a burner; 16. an exhaust duct; 17. and a base is supported.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The utility model provides a technical scheme:

the utility model provides a mix wind type direct incinerator, includes furnace body 1, and one side intercommunication of furnace body 1 is provided with waste gas air-supply line 2 and air-supply line 3, is used for letting in pending waste gas and the air that dilutes the waste gas respectively, and one side intercommunication that waste gas air-supply line 2 was kept away from to furnace body 1 is provided with exhaust pipe 16, and waste gas is after burning, through the inner chamber of exhaust pipe 16 discharge furnace body 1.

An air distribution plate 8, an air mixing plate 9, an air guide plate 10 and a burner 15 are sequentially arranged in an inner cavity of a furnace body 1 between a waste gas inlet pipe 2 and an exhaust pipe 16, a first air guide hole 11 and a second air guide hole 13 are symmetrically formed in the air guide plate 10, the first air guide hole 11 is communicated with a first air guide pipe 12, the second air guide hole 13 is communicated with a second air guide pipe 14, the first air guide hole 11 is wedge-shaped, the inner diameter of one end communicated with the first air guide pipe 12 is smaller than that of the other end, therefore, the gas passing through the first air guide hole 11 can be accelerated, the flow velocity of the gas blown out from the first air guide pipe 12 is increased, the inner diameter of one end communicated with the second air guide pipe 14 is larger than that of the other end, therefore, the gas passing through the second air guide hole 13 can be decelerated, the flow velocity of the gas blown out from the second air guide pipe 14 is reduced, and the first air guide pipe 12 and the second air guide pipe 14 which are positioned above incline downwards, the first air guide pipe 12 and the second air guide pipe 14 which are positioned below are inclined upwards, so that the air blown out from the first air guide pipe 12 and the second air guide pipe 14 above and below can be mixed in a crossed manner again, the inclination of the first air guide pipe 12 which is positioned above or below is larger than that of the second air guide pipe 14, and the arrangement is that the first air guide pipe 12 is positioned at a position which is more outside than that of the second air guide pipe 14, the inclination of the air pipes at two sides is larger, so that the air can be better concentrated towards the middle, the air mixing can be further promoted, the air can be closer to the effective treatment range of the combustor 15, and the combustors 15 are arranged at two sides of the furnace body 1 in a plurality of groups and symmetrically, so that the uniform and efficient waste gas incineration treatment can be realized.

Further, the furnace body 1 comprises a carbon steel shell 101, inner heat insulation cotton 102, a ceramic fiber plate 103 and an anti-corrosion layer 104 are fixedly arranged on the inner side of the carbon steel shell 101 in sequence, a plurality of refractory bricks 105 are attached to one side, far away from the ceramic fiber plate 103, of the anti-corrosion layer 104, the refractory bricks 105 can be high-alumina bricks or bricks made of other appropriate materials, the same framework plate 106 is attached to the outer sides of two adjacent refractory bricks 105, the framework plate 106 is made of high-temperature-resistant and corrosion-resistant metal materials, two groups of anchoring nails 107 are arranged on each framework plate 106 in a threaded penetrating mode, the two groups of anchoring nails 107 penetrate through the two adjacent refractory bricks 105 and the anti-corrosion layer 104 respectively and are arranged in the ceramic fiber plate 103 in a clamping and embedding mode, and therefore the stability of the refractory bricks 105 is further enhanced, and the refractory bricks are prevented from falling off and further causing safety risks.

Further, the waste gas air-supply line 2 communicates in waste gas honeycomb duct 4, the intercommunication is provided with a plurality of waste gas shower nozzles 5 on the waste gas honeycomb duct 4, air-supply line 3 communicates in air honeycomb duct 6, the intercommunication is provided with a plurality of air shower nozzles 7 on the air honeycomb duct 6, waste gas shower nozzle 5 and air shower nozzle 7 all set up in the inner chamber of furnace body 1, can spout the pending waste gas in the waste gas shower nozzle 5, can spout the air that dilutes the processing usefulness to waste gas in the air shower nozzle 7.

Further, exhaust nozzle 5 slope sets up downwards, and air shower nozzle 7 slope sets up upwards, and from this, spun air current can realize preliminary cross mixing in exhaust nozzle 5 and the air shower nozzle 7, improves and mixes the wind effect.

Further, the cross sectional shape of air distribution plate 8 is the same with the inner chamber of furnace body 1, has seted up a plurality of air distribution holes 801 on the air distribution plate 8, and air distribution holes 801 equipartition sets up for it is more even after waste gas and the air mixing, avoids the too big condition of local velocity of flow.

Further, mix wind chamber 901 has been seted up to wind board 9, mix wind chamber 901 and be provided with a plurality of inlet channel 902 in the one side intercommunication that wind chamber 901 is close to waste gas air-supply line 2, mix wind chamber 901 and be provided with a plurality of outlet channel 903 that converges in the one side intercommunication that is close to exhaust pipe 16, gas enters into and mixes wind chamber 901 from a great number of inlet channel 902, after realizing mixing in mixing wind chamber 901, flows out from a less number outlet channel 903 that converges to this realizes further gas and converges, promotes gaseous collision, mixes.

Further, the inner diameter of the confluence outlet channel 903 is larger than that of the inlet channel 902, so that waste gas is prevented from directly flowing out of the confluence outlet channel 903 after passing through the inlet channel 902, and the gas is further disturbed by changing the inner diameters of the inlet end and the outlet end.

Further, the bottom of the furnace body 1 is symmetrically and fixedly provided with a supporting base 17, so that the furnace body 1 can be placed more stably.

Example 1: when the air-conditioner is used, waste gas to be treated and air for diluting the waste gas are respectively introduced through the waste gas inlet pipe 2 and the air inlet pipe 3, the waste gas and the air can pass through the air deflector 10 after entering the inner cavity of the furnace body 1, the air deflector 10 is symmetrically provided with a first air guide hole 11 and a second air guide hole 13, the first air guide hole 11 is wedge-shaped, the inner diameter of one end communicated with the first air guide pipe 12 is smaller than that of the other end, therefore, the gas passing through the first air guide hole 11 can be accelerated, the flow rate of the gas blown out from the first air guide pipe 12 is increased, the second air guide hole 13 is wedge-shaped, the inner diameter of one end communicated with the second air guide pipe 14 is larger than that of the other end, therefore, the gas passing through the second air guide hole 13 can be decelerated, the flow rate of the gas blown out from the second air guide pipe 14 is reduced, and the first air guide pipe 12 and the second air guide pipe 14 which are positioned above and below are respectively arranged to be inclined downwards and upwards, therefore, the blown gas can be mixed in a cross way again, the inclination of the first air guide pipe 12 is greater than that of the second air guide pipe 14, the arrangement is that the first air guide pipe 12 is located at a position more outside than the second air guide pipe 14, the inclination of the air pipes at two sides is greater, the gas can be better concentrated towards the middle, the gas mixing can be further promoted, and the gas can be closer to the effective treatment range of the burner 15, so far, the burners 15 symmetrically arranged at two sides of the furnace body 1 work simultaneously, the uniformly mixed waste gas mixture is subjected to incineration treatment, and the treated waste gas mixture is discharged out of the inner cavity of the furnace body 1 through the exhaust pipe 16.

Example 2: this embodiment is similar to embodiment 1, and in this embodiment, waste gas air-supply line 2 communicates in waste gas honeycomb duct 4, the intercommunication is provided with a plurality of waste gas shower nozzles 5 on the waste gas honeycomb duct 4, waste gas shower nozzle 5 slope sets up downwards, air-supply line 3 communicates in air honeycomb duct 6, the intercommunication is provided with a plurality of air shower nozzles 7 on the air honeycomb duct 6, air shower nozzle 7 slope sets up upwards, from this, can realize preliminary cross mixing from the air current of blowout in waste gas shower nozzle 5 and the air shower nozzle 7, improve and mix the wind effect.

Example 3: in this embodiment, similarly to embodiment 1, an air distribution plate 8 and an air mixing plate 9 are sequentially arranged in the inner cavity of the furnace body 1 between the exhaust gas inlet pipe 2 and the exhaust pipe 16, in the embodiment, the cross-sectional shapes of the air distribution plate 8 and the inner cavity of the furnace body 1 are the same, and a plurality of air distribution holes 801 are uniformly arranged on the air distribution plate 8, so that the condition of overlarge local flow velocity can be avoided, the waste gas and the air are mixed more uniformly, the air mixing plate 9 is provided with an air mixing cavity 901, an inlet channel 902 and a confluence outlet channel 903, the air enters the air mixing cavity 901 from the inlet channel 902 with a large number, after mixing is achieved in the air mixing chamber 901, flows out from a smaller number of confluence outlet channels 903, further gas confluence is realized by the aid of the gas confluence device, gas collision and mixing are promoted, the inner diameter of the confluence outlet channel 903 is larger than that of the inlet channel 902, further turbulent flow can be realized for the gas, and the effect of mixed air treatment is effectively improved.

The above-mentioned embodiments only express two embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a mix wind type direct incinerator, includes furnace body (1), its characterized in that: a waste gas inlet pipe (2) and an air inlet pipe (3) are communicated and arranged on one side of the furnace body (1), and an exhaust pipe (16) is communicated and arranged on one side of the furnace body (1) far away from the waste gas inlet pipe (2);

an air distribution plate (8), an air mixing plate (9), an air guide plate (10) and a burner (15) are sequentially arranged in an inner cavity of the furnace body (1) between the waste gas inlet pipe (2) and the exhaust pipe (16), a first air guide hole (11) and a second air guide hole (13) are symmetrically formed in the air guide plate (10), the first air guide hole (11) is communicated with the first air guide pipe (12), the second air guide hole (13) is communicated with the second air guide pipe (14), the first air guide hole (11) is wedge-shaped, the inner diameter of one end communicated with the first air guide pipe (12) is smaller than that of the other end, the inner diameter of one end communicated with the second air guide pipe (14) is larger than that of the other end, the first air guide pipe (12) and the second air guide pipe (14) which are positioned above incline downwards, and the first air guide pipe (12) and the second air guide pipe (14) which are positioned below incline upwards, the inclination of the first air guide pipe (12) is greater than that of the second air guide pipe (14), and the plurality of groups of burners (15) are symmetrically arranged on two sides of the furnace body (1).

2. The direct incinerator of the mixed air type as claimed in claim 1, wherein: the furnace body (1) comprises a carbon steel shell (101), wherein inner heat insulation cotton (102), a ceramic fiber board (103) and an anti-corrosion layer (104) are sequentially and fixedly arranged on the inner side of the carbon steel shell (101), one side, far away from the ceramic fiber board (103), of the anti-corrosion layer (104) is provided with a plurality of refractory bricks (105), two adjacent refractory bricks (105) are provided with one framework plate (106) in an outer side in an adhering mode, each framework plate (106) is provided with two groups of anchoring nails (107) in a penetrating mode through threads, and the two groups of anchoring nails (107) are arranged in the ceramic fiber board (103) in a clamping and embedding mode after penetrating through the two adjacent refractory bricks (105) and the anti-corrosion layer (104) respectively.

3. A mixed air type direct incinerator according to claim 1 or 2 wherein: waste gas air-supply line (2) communicate in waste gas honeycomb duct (4), the intercommunication is provided with a plurality of waste gas shower nozzles (5) on waste gas honeycomb duct (4), air-supply line (3) communicate in air honeycomb duct (6), the intercommunication is provided with a plurality of air shower nozzles (7) on air honeycomb duct (6), waste gas shower nozzle (5) and air shower nozzle (7) all set up in the inner chamber of furnace body (1).

4. The direct incinerator of claim 3, wherein: the waste gas spray head (5) is arranged obliquely downwards, and the air spray head (7) is arranged obliquely upwards.

5. A mixed air type direct incinerator according to claim 1 or 2 wherein: the cross-sectional shapes of the air distribution plate (8) and the inner cavity of the furnace body (1) are the same, and a plurality of air distribution holes (801) are formed in the air distribution plate (8).

6. A mixed air type direct incinerator according to claim 1 or 2 wherein: the air mixing plate (9) is provided with an air mixing cavity (901), one side of the air mixing cavity (901), which is close to the waste gas inlet pipe (2), is communicated with a plurality of inlet channels (902), and one side of the air mixing cavity (901), which is close to the exhaust pipe (16), is communicated with a plurality of confluence outlet channels (903).

7. The direct incinerator of claim 6, wherein: the internal diameter of the confluence outlet channel (903) is larger than that of the inlet channel (902).

8. A mixed air type direct incinerator according to claim 1 or 2 wherein: the bottom of the furnace body (1) is symmetrically and fixedly provided with supporting bases (17).