CN214172260U

CN214172260U - TNV burns burning furnace

Info

Publication number: CN214172260U
Application number: CN202023181397.9U
Authority: CN
Inventors: 郑百源
Original assignee: Ningxin Environmental Tech Shanghai Co ltd
Current assignee: Ningxin Environmental Tech Shanghai Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-10
Anticipated expiration: 2030-12-25

Abstract

The utility model belongs to the technical field of waste gas treatment, and discloses a TNV incinerator, which comprises a furnace body, wherein the bottom of the furnace body is provided with a combustion chamber, the bottom of the combustion chamber is provided with an ignition valve, one side of the combustion chamber is provided with a first air inlet, the first air inlet is connected with a first branch pipe, the other side of the combustion chamber is provided with a second air inlet, the second air inlet is connected with a second branch pipe, one end of the second branch pipe and the first branch pipe, which are far away from the combustion chamber, is connected with an air inlet pipe, the end part of the air inlet pipe is connected with an air inlet, the interior of the furnace body is positioned above the combustion chamber and is provided with an even air chamber, the top of the combustion chamber is provided with a first exhaust port, the first exhaust port is communicated with the even air chamber, the waste gas of the TNV incinerator enters the interior of the combustion chamber through the two branch pipes which are oppositely arranged, when the waste gas enters the combustion chamber, convection is generated to enable the exhaust gas to be dispersed and thus to be sufficiently combusted in the combustion chamber.

Description

TNV burns burning furnace

Technical Field

The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to TNV burns burning furnace.

Background

A recovery type thermal incineration system, TNV for short, is characterized in that fuel gas or fuel oil is directly combusted to heat waste gas containing an organic solvent, organic solvent molecules are oxidized and decomposed into CO2 and water under the action of high temperature, the generated high-temperature waste gas heats air or hot water required in the production process through a matched multistage heat exchange device, heat energy generated in the process of oxidizing and decomposing the organic waste gas is fully recovered and utilized, and the energy consumption of the whole system is reduced. Therefore, the TNV system is an efficient and ideal treatment mode for treating the waste gas containing the organic solvent when a large amount of heat is needed in the production process, and a TNV recovery type thermal incineration system is generally adopted for a newly-built coating production line.

The TNV system consists of three major parts: an exhaust gas preheating and incinerating system; circulating air for heat supply; system, new trend heat transfer system. A waste gas incineration central heating device (TAR) in the system is a core part of TNV and comprises a furnace body, a combustion chamber, a heat exchanger, a combustor, a main flue regulating valve and the like.

Patent No. CN201721888703.8, entitled combustion system of waste gas incinerator, describes: the air inlet quantity of the air inlet channel can be adjusted by detecting the air flow of the air outlet, so that the pressure in the furnace body can be adjusted.

However, in the prior art, a large amount of exhaust gas is intensively conveyed to the interior of the combustion furnace through the gas transmission port, so that the exhaust gas is easily discharged without being sufficiently combusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a TNV burns burning furnace to solve current burning furnace and appear waste gas easily and still not burn abundant just exhaust problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a TNV burns burning furnace, includes the furnace body, the bottom of furnace body is provided with the combustion chamber, the bottom of combustion chamber is provided with the ignition valve, one side of combustion chamber is provided with first air inlet, first air inlet is connected with first branch pipe, the opposite side of combustion chamber is provided with the second air inlet, the second air inlet is connected with the second branch pipe, the second branch pipe is kept away from with first branch pipe the one end and the intake-tube connection of combustion chamber, the end connection of intake-tube has the air inlet.

As the utility model relates to a TNV burns burning furnace preferentially, the inside of furnace body is located the top of combustion chamber is provided with even plenum, the top of combustion chamber is provided with first exhaust port, first exhaust port with even plenum intercommunication.

As the utility model relates to a TNV burns burning furnace and prefers, conduct the utility model relates to a TNV burns burning furnace and prefers, the top of even plenum is provided with first even wind ware, first even wind ware comprises a plurality of firebrick layer.

As the utility model relates to a TNV burns burning furnace preferentially, the top of first even wind ware is provided with the exhaust chamber, the second gas vent is installed to one side of exhaust chamber, explosion-proof mouth is installed at the top of exhaust chamber.

As the utility model relates to a TNV burns burning furnace preferentially, the internally mounted of even plenum has the even wind ware of second.

As the utility model relates to a TNV burns burning furnace preferentially, the even wind ware of second includes the bearing, the bearing install in the inner wall of even plenum, two be connected with the pivot between the bearing, the pivot with the inner wall of even plenum rotates the connection, the flabellum is installed to the exterior wall of pivot.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses inside waste gas got into the combustion chamber by the branch pipe of two relative settings, when waste gas got into the combustion chamber, can produce the convection current, can make waste gas dispersion to abundant burning in the combustion chamber.

(2) The utility model discloses set up the even wind ware of first even wind ware that constitutes by the firebrick layer and can be under the impact of waste gas the even wind ware of pivoted second, even there is the waste gas of insufficient burning, when the waste gas of escaping is discharged to even wind chamber by first exhaust port, strike the flabellum of the even wind ware of second, it is rotatory to make the flabellum, thereby disperse waste gas, carry out the postcombustion via the firebrick layer, and then reach the purpose that gets into the waste gas in the furnace body by the complete combustion, prevent that the gas that has not burnt or insufficient burning from escaping the furnace body.

Drawings

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

fig. 2 is a schematic structural view of a first air homogenizer of the present invention;

FIG. 3 is a top view of the furnace body of the present invention;

FIG. 4 is a schematic structural view of a second air homogenizer of the present invention;

fig. 5 is a schematic structural diagram of one embodiment of the present invention;

in the figure: 1. a furnace body; 2. an exhaust chamber; 3. a first air homogenizer; 30. a refractory brick layer; 4. a first exhaust port; 5. a combustion chamber; 6. a first air inlet; 7. a first branch pipe; 8. an ignition valve; 9. an air inlet pipe; 10. an air inlet; 11. a second branch pipe; 12. a second air inlet; 13. a second exhaust port; 14. an air-homogenizing chamber; 15. an explosion-proof port; 16. a second air homogenizer; 160. a bearing; 161. a rotating shaft; 162. a fan blade.

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.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a TNV burns burning furnace, including furnace body 1, the bottom of furnace body 1 is provided with combustion chamber 5, the bottom of combustion chamber 5 is provided with ignition valve 8, one side of combustion chamber 5 is provided with first air inlet 6, first air inlet 6 is connected with first branch pipe 7, the opposite side of combustion chamber 5 is provided with second air inlet 12, second air inlet 12 is connected with second branch pipe 11, the one end and the intake-tube 9 connection of combustion chamber 5 are kept away from to second branch pipe 11 and first branch pipe 7, the end connection of intake-tube 9 has air inlet 10. Waste gas to be treated enters the gas inlet pipe 9 from the gas inlet 10, flows into the first branch pipe 7 and the second branch pipe 11 from the inside of the gas inlet pipe 9, enters the combustion chamber 5 from the first gas inlet 6 and the second gas inlet 12 respectively, is heated by the combustion chamber 5 and stays for 0.7 to 1.0 second, and organic waste gas is subjected to oxidative decomposition at high temperature (about 850 ℃).

Furthermore, an air-homogenizing chamber 14 is arranged in the furnace body 1 above the combustion chamber 5, a first exhaust port 4 is arranged at the top of the combustion chamber 5, the first exhaust port 4 is communicated with the air-homogenizing chamber 14, and gas combusted in the combustion chamber 5 enters the air-homogenizing chamber 14 through the first exhaust port 4.

Furthermore, a first air uniformizing device 3 is arranged above the air uniformizing chamber 14, and the first air uniformizing device 3 is composed of a plurality of refractory brick layers 30. A plurality of firebrick layer sets up side by side, forms the grid structure, not only can disperse the not fully burnt waste gas of escape, can also carry out the postcombustion to it.

Specifically, an exhaust chamber 2 is arranged above the first air uniformizing device 3, a second exhaust port 13 is arranged on one side of the exhaust chamber 2, and an explosion-proof port 15 is arranged at the top of the exhaust chamber 2, so that explosion of waste gas due to released heat energy during combustion is avoided.

It is worth noting that a second air uniformizer 16 is installed inside the air uniformizing chamber 14.

Further, the second air uniformizer 16 comprises bearings 160, the bearings 160 are installed on the inner wall of the air uniformizing chamber 14, a rotating shaft 161 is connected between the two bearings 160, the rotating shaft 161 is rotatably connected with the inner wall of the air uniformizing chamber 14, and fan blades 162 are installed on the outer wall of the rotating shaft 161. When the exhaust gas is discharged from the first exhaust port 4 to the air-homogenizing chamber 14, the fan blades 162 of the second air-homogenizing chamber 16 are impacted to rotate the fan blades 162, so that the exhaust gas is dispersed and sufficiently contacts the firebrick layer 30 to be sufficiently combusted.

The utility model discloses a theory of operation and use flow: extracting organic waste gas from a drying chamber by using a high-lift fan, preheating the organic waste gas by a heat exchanger arranged in a TAR (thermal energy recovery reactor), entering an air inlet pipe 9 through an air inlet 10, internally dividing the organic waste gas into a first branch pipe 7 and a second branch pipe 11 from the air inlet pipe 9, respectively entering a combustion chamber 5 through a first air inlet 6 and a second air inlet 12, then heating the organic waste gas by the combustion chamber 5, staying for 0.7 to 1.0 second, carrying out oxidative decomposition on the organic waste gas at a high temperature (about 850 ℃), and discharging the decomposed organic waste gas into CO2 and water from a second exhaust port 13;

because the waste gas enters the combustion chamber 5 through the first air inlet 6 and the second air inlet 12 respectively, and the first air inlet 6 and the second air inlet 12 are arranged on two opposite side walls of the combustion chamber 5, when the waste gas enters the combustion chamber 5, convection can be generated, the waste gas can be dispersed, and the combustion in the combustion chamber 5 is sufficient;

even if there is insufficient combustion waste gas, the temperature of the first air-homogenizing device 3 composed of the firebrick layer 30 will reach 850 ℃ after the temperature in the furnace reaches 850 ℃, when the waste gas is discharged from the first exhaust port 4 to the air-homogenizing chamber 14, the fan blade 162 of the second air-homogenizing device 16 is impacted, the fan blade 162 rotates, thereby dispersing the waste gas, and the secondary combustion is carried out through the firebrick layer 30, further the purpose that the waste gas entering the furnace body 1 is completely combusted is achieved, and the gas which is not combusted or is not fully combusted is prevented from escaping the furnace body 1.

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

1. A TNV incinerator, characterized in that: including furnace body (1), the bottom of furnace body (1) is provided with combustion chamber (5), the bottom of combustion chamber (5) is provided with ignition valve (8), one side of combustion chamber (5) is provided with first air inlet (6), first air inlet (6) are connected with first branch pipe (7), the opposite side of combustion chamber (5) is provided with second air inlet (12), second air inlet (12) are connected with second branch pipe (11), keep away from second branch pipe (11) and first branch pipe (7) the one end and the intake pipe (9) of combustion chamber (5) are connected, the end connection of intake pipe (9) has air inlet (10).

2. A TNV incinerator according to claim 1 wherein: the furnace body (1) is internally provided with an air-homogenizing chamber (14) above the combustion chamber (5), the top of the combustion chamber (5) is provided with a first exhaust port (4), and the first exhaust port (4) is communicated with the air-homogenizing chamber (14).

3. A TNV incinerator according to claim 2 wherein: a first air uniformizing device (3) is arranged above the air uniformizing chamber (14), and the first air uniformizing device (3) is composed of a plurality of refractory brick layers (30).

4. A TNV incinerator according to claim 3 wherein: an exhaust chamber (2) is arranged above the first air uniformizing device (3), a second exhaust port (13) is installed on one side of the exhaust chamber (2), and an explosion-proof opening (15) is installed at the top of the exhaust chamber (2).

5. A TNV incinerator according to claim 2 wherein: and a second air-homogenizing device (16) is arranged in the air-homogenizing chamber (14).

6. A TNV incinerator according to claim 5 wherein: second even wind ware (16) include bearing (160), bearing (160) install in the inner wall of air-homogenizing chamber (14), two be connected with pivot (161) between bearing (160), pivot (161) with the inner wall of air-homogenizing chamber (14) rotates and is connected, flabellum (162) are installed to the outward appearance wall of pivot (161).