CN213334440U

CN213334440U - Heat accumulating type tail gas incinerator

Info

Publication number: CN213334440U
Application number: CN202022217673.6U
Authority: CN
Inventors: 徐飞; 陈志川; 张国繁
Original assignee: Hangzhou Yafei Environmental Protection Technology Co ltd
Current assignee: Hangzhou Yafei Environmental Protection Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-01
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to the technical field of tail gas treatment equipment, and discloses a heat accumulating type tail gas incinerator, which comprises an inner furnace body, an outer furnace body and an air supply pipe, wherein the inner furnace body comprises a mixing chamber and an incineration chamber, the inner wall of the mixing chamber is provided with a plurality of heating plates, and the mixing chamber is externally connected with an oxygen pipe and a fuel pipe; the gas supply pipe is used for supplying tail gas to be combusted to the mixing chamber, the pipe body of the gas supply pipe is coated on the outer wall of the incineration chamber, and the tail gas to be combusted can be mixed with oxygen and fuel to form mixed gas and enter the incineration chamber; an igniter is arranged in the incineration chamber, the top of the incineration chamber is connected with a smoke exhaust pipe, and the outer wall of the mixing chamber is coated with a pipe body of the smoke exhaust pipe. Can produce a large amount of heats in the combustion process in the burning chamber, can heat the tail gas that lets in the air feed pipe, and the flue gas that the burning produced is through the pipe of discharging fume, with the heat conduction of flue gas to compounding room, improves the temperature in the compounding room, preheats tail gas in the compounding room, improves the utilization ratio of the energy, the energy saving consumed the festival.

Description

Heat accumulating type tail gas incinerator

Technical Field

The utility model relates to a tail gas treatment facility technical field especially relates to a heat accumulation formula tail gas burns burning furnace.

Background

In the industrial production process, a large amount of industrial tail gas is often discharged, so that serious atmospheric pollution is caused, and the atmospheric pollution can bring serious harm to human health.

At present, industrial tail gas often contains a certain amount of incompletely combusted organic matters, and in order to meet the pollutant emission standard, the incompletely combusted organic matters are required to be incinerated before being emitted. Because the combustible components in the tail gas are low, the tail gas can be completely combusted only by supplementing fuel, so that organic matters in the tail gas are converted into water and carbon dioxide and then discharged outwards.

In order to ensure that the tail gas is fully combusted, the tail gas with combustion needs to be preheated before being combusted, and a preheating device needs to be used for heating in the preheating process, so that a large amount of energy needs to be consumed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses anticipate and provide a heat accumulation formula tail gas incinerator, its advantage that possesses the energy saving.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: the heat accumulating type tail gas incinerator comprises an inner furnace body, an outer furnace body and an air supply pipe, wherein the inner furnace body sequentially comprises a mixing chamber and an incineration chamber from bottom to top, a plurality of heating plates are arranged on the inner wall of the mixing chamber, an oxygen pipe and a fuel pipe are connected outside the mixing chamber, the oxygen pipe is used for conveying oxygen into the mixing chamber, and the fuel pipe is used for conveying fuel into the mixing chamber; the gas supply pipe is used for supplying tail gas to be combusted to the mixing chamber, the gas inlet end of the gas supply pipe is exposed out of the outer furnace body, the pipe body of the gas supply pipe is fixedly coated on the outer wall of the incineration chamber in a spiral shape, the gas outlet end of the gas supply pipe is connected with the bottom of the mixing chamber, and the tail gas to be combusted can be mixed with oxygen and fuel to form mixed gas and enter the incineration chamber; the incinerator is characterized in that an igniter is installed in the incineration chamber, the top of the incineration chamber is connected with a smoke exhaust pipe, the smoke exhaust pipe is used for exhausting flue gas generated by combustion of mixed gas, a pipe body of the smoke exhaust pipe is spirally and fixedly wrapped on the outer wall of the mixed gas chamber, and a smoke outlet of the smoke exhaust pipe is exposed out of the outer furnace body.

Further, the mixing chamber is internally in an inverted cone structure, and the inner diameter of the mixing chamber is gradually reduced along the flowing direction of the mixed gas.

Further, be equipped with the compounding mechanism that is used for mixing oxygen, fuel and treats the tail gas of burning in the compounding room, compounding mechanism includes the upper bracket and the lower mount of fixed mounting at the indoor wall of compounding, the air guide mouth has all been seted up on upper bracket and the lower mount, it is connected with the pivot to rotate between upper bracket and the lower mount, install the flabellum in the pivot.

Further, install the temperature sensing device that is used for real-time supervision temperature in the compounding room, the temperature sensing device is including installing the temperature sensing element on the compounding indoor wall, the temperature sensing element is connected with PID temperature control instrument, PID temperature control instrument arranges in on the outer wall of outer furnace body outward.

Furthermore, a plurality of composite filter layers used for filtering impurities in the flue gas are arranged in the smoke exhaust pipe, and a desulfurizer, active carbon and composite cellucotton are filled in the composite filter layers.

Furthermore, a fire-resistant wall is arranged on the inner wall of the outer furnace body, and the fire-resistant wall is formed by stacking a plurality of refractory bricks.

Furthermore, a heat insulation layer is filled between the inner wall of the outer furnace body and the refractory wall, and the heat insulation layer sequentially comprises a nano plate layer, a steel wire mesh sandwich plate layer and an asbestos plate layer from inside to outside.

Further, the igniter is a pulse igniter.

Compared with the prior art, the scheme has the beneficial effects that:

1. the body of air feed pipe is the fixed cladding of heliciform on the outer wall of combustion chamber, can produce a large amount of heats among the gas combustion process in the combustion chamber, can heat the tail gas that lets in, improves the utilization ratio of the energy, has saved the energy consumption effectively.

2. The flue gas that the burning produced is discharged through the pipe of discharging fume to because the pipe of discharging fume is the fixed cladding of heliciform on the outer wall of mixing chamber, the flue gas is through the in-process of the pipe of discharging fume, with the heat conduction of flue gas to mixing chamber, thereby improve the temperature in the mixing chamber, preheat the indoor tail gas of mixing, improve the utilization ratio of the energy, energy saving consumed the festival.

3. A mixing mechanism in the mixing chamber can effectively mix oxygen, fuel and tail gas to be combusted, so that the combustion effect of organic matters in the tail gas is improved; the smoke generated after combustion is filtered by the composite filter layers in multiple layers and then discharged, so that the pollution to the environment is reduced.

Drawings

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

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

fig. 3 is a schematic view of the internal structure of the inner furnace body of the present invention.

Reference numerals in the drawings of the specification include: the furnace comprises an outer furnace body 1, support legs 11, a controller 12, an inner furnace body 2, an incineration chamber 21, an igniter 211, a mixing chamber 22, a heating plate 221, a mounting seat 23, an air supply pipe 3, an air supply stop valve 31, an oxygen pipe 4, a first stop valve 41, a fuel pipe 5, a second stop valve 51, a smoke exhaust pipe 6, a composite filter layer 61, a rotating shaft 7, fan blades 71, an upper fixing frame 72, a lower fixing frame 73 and a PID temperature control instrument 8.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

heat accumulation formula tail gas burns burning furnace, as shown in fig. 1, including interior furnace body 2 and outer furnace body 1, outer furnace body 1 bottom is equipped with stabilizer blade 11, installs fire-resistant wall and heat preservation from interior to exterior in proper order on the inner wall of outer furnace body 1, and fire-resistant wall is piled up by a plurality of resistant firebricks and is formed, and the heat preservation is nanometer sheet layer, wire net sandwich board layer and asbestos sheet layer from inside to outside in proper order.

As shown in fig. 1 to 3, the inner furnace body 2 is disposed on the mounting seat 23 in the outer furnace body 1, the inner furnace body 2 sequentially comprises a mixing chamber 22 and an incineration chamber 21 from bottom to top, the mixing chamber 22 is of an inverted cone structure, and the inner diameter of the mixing chamber 22 is gradually reduced along the flowing direction of the mixed gas. The inner wall of the mixing chamber 22 is provided with a plurality of heating plates 221, the outer wall of the outer furnace body 1 is provided with a controller 12 for controlling the heating power of the heating plates 221, a temperature sensing device for monitoring the temperature in real time is arranged in the mixing chamber 22, the temperature sensing device comprises a temperature sensing element arranged on the inner wall of the mixing chamber 22, the temperature sensing element is connected with a PID temperature control instrument 8, the PID temperature control instrument 8 is arranged on the outer wall of the outer furnace body 1, and the PID temperature control instrument 8 is electrically connected with the controller 12.

As shown in fig. 1 to 3, the mixing chamber 22 is externally connected with an oxygen pipe 4, a fuel pipe 5 and a gas supply pipe 3, the oxygen pipe 4 is used for supplying oxygen into the mixing chamber 22, a first stop valve 41 is installed on the oxygen pipe 4, the fuel pipe 5 is used for supplying fuel into the mixing chamber 22, and a second stop valve 51 is installed on the fuel pipe 5; the gas supply pipe 3 is used for supplying tail gas to be combusted to the mixing chamber 22, the gas inlet end of the gas supply pipe 3 is exposed out of the outer furnace body 1, the gas supply pipe 3 is provided with a gas supply stop valve 31, the pipe body of the gas supply pipe 3 is spirally fixed and coated on the outer wall of the incineration chamber 21, the gas outlet end of the gas supply pipe 3 is connected with the bottom of the mixing chamber 22, and the tail gas to be combusted can be mixed with oxygen and fuel to form mixed gas and enter the incineration chamber 21; be equipped with the compounding mechanism that is used for mixing oxygen, fuel and treats the tail gas of burning in the mixing chamber 22, compounding mechanism includes upper fixed frame 72 and lower mount 73 of fixed mounting at the mixing chamber 22 inner wall, has all seted up the air guide mouth on upper fixed frame 72 and the lower mount 73, rotates between upper fixed frame 72 and the lower mount 73 and is connected with pivot 7, installs flabellum 71 in the pivot 7.

As shown in fig. 3, a pulse type igniter 211 is installed in the incineration chamber 21, the top of the incineration chamber 21 is connected with a smoke exhaust pipe 6, the smoke exhaust pipe 6 is used for exhausting flue gas generated by combustion of mixed gas, a plurality of composite filter layers 61 for filtering impurities in the flue gas are arranged in the smoke exhaust pipe 6, and a desulfurizer, active carbon and composite cellucotton are filled in the composite filter layers 61; the body of the smoke exhaust pipe 6 is spirally fixed and coated on the outer wall of the mixing chamber 22, and the smoke outlet of the smoke exhaust pipe 6 is exposed out of the outer furnace body 1.

The specific implementation mode of the scheme is as follows:

when in use, the oxygen pipe 4 is connected with the oxygen tank, the fuel pipe 5 is connected with the fuel tank, the first stop valve 41 and the second stop valve 51 are opened, and oxygen and fuel are introduced into the mixing chamber 22; meanwhile, the tail gas to be combusted is continuously fed into the mixing chamber 22 through the air feed pipe 3, and the heating plate 221 in the mixing chamber 22 heats the tail gas; meanwhile, in the process that the tail gas enters the mixing chamber 22 from the bottom of the mixing chamber 22, the tail gas impacts the fan blades 71 to drive the fan blades 71 to rotate around the rotating shaft 7, in the rotating process of the fan blades 71, oxygen, fuel and the tail gas are mixed into mixed gas and guided to the incineration chamber 21, and the pulse type igniter 211 in the incineration chamber 21 ignites the mixed gas, so that organic matters in the tail gas are incinerated.

The flue gas that the burning produced is discharged outside after filtering through compound filter layer 61 in the tub 6 of discharging fume, and the flue gas is in the process of tub 6 of discharging fume, with the heat conduction of flue gas to compounding room 22 to improve the temperature in the compounding room 22, after the temperature data that PID temperature control instrument 8 reflects reached the default, controller 12 control hot plate 221 stops the heating, and the heat that the flue gas produced is enough to preheat the tail gas of treating the burning.

The mixed gas in the incineration chamber 21 can generate a large amount of heat in the combustion process, so that the subsequently introduced tail gas is heated, the utilization rate of energy is improved, and the energy consumption is effectively saved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Heat accumulation formula tail gas burns burning furnace, its characterized in that: the furnace comprises an inner furnace body, an outer furnace body and an air supply pipe, wherein the inner furnace body sequentially comprises a mixing chamber and an incineration chamber from bottom to top, a plurality of heating plates are arranged on the inner wall of the mixing chamber, the mixing chamber is connected with an oxygen pipe and a fuel pipe, the oxygen pipe is used for conveying oxygen into the mixing chamber, and the fuel pipe is used for conveying fuel into the mixing chamber; the gas supply pipe is used for supplying tail gas to be combusted to the mixing chamber, the gas inlet end of the gas supply pipe is exposed out of the outer furnace body, the pipe body of the gas supply pipe is fixedly coated on the outer wall of the incineration chamber in a spiral shape, the gas outlet end of the gas supply pipe is connected with the bottom of the mixing chamber, and the tail gas to be combusted can be mixed with oxygen and fuel to form mixed gas and enter the incineration chamber; the incinerator is characterized in that an igniter is installed in the incineration chamber, the top of the incineration chamber is connected with a smoke exhaust pipe, the smoke exhaust pipe is used for exhausting flue gas generated by combustion of mixed gas, a pipe body of the smoke exhaust pipe is spirally and fixedly wrapped on the outer wall of the mixed gas chamber, and a smoke outlet of the smoke exhaust pipe is exposed out of the outer furnace body.

2. A regenerative tail gas incinerator according to claim 1 wherein: the mixing chamber is internally of an inverted cone structure, and the inner diameter of the mixing chamber is gradually reduced along the flowing direction of mixed gas.

3. A regenerative tail gas incinerator according to claim 1 wherein: the indoor compounding mechanism that is used for mixing oxygen, fuel and treating the tail gas of burning that is equipped with of compounding, compounding mechanism includes the upper bracket and the lower mount of fixed mounting at the indoor wall of compounding, the gas guide mouth has all been seted up on upper bracket and the lower mount, it is connected with the pivot to rotate between upper bracket and the lower mount, install the flabellum in the pivot.

4. A regenerative tail gas incinerator according to claim 1 wherein: the indoor temperature sensing device that is used for real-time supervision temperature of installing of compounding, the temperature sensing device is including installing the temperature sensing element on the indoor wall of compounding, the temperature sensing element is connected with PID temperature control instrument, PID temperature control instrument is arranged in on the outer wall of outer furnace body outward.

5. A regenerative tail gas incinerator according to claim 1 wherein: the smoke exhaust pipe is internally provided with a plurality of composite filter layers for filtering impurities in smoke, and the composite filter layers are internally filled with a desulfurizer, active carbon and composite cellucotton.

6. A regenerative tail gas incinerator according to claim 1 wherein: and a fire-resistant wall is arranged on the inner wall of the outer furnace body and is formed by piling a plurality of refractory bricks.

7. A regenerative tail gas incinerator according to claim 6 wherein: and a heat-insulating layer is filled between the inner wall of the outer furnace body and the refractory wall, and the heat-insulating layer sequentially comprises a nano plate layer, a steel wire mesh sandwich plate layer and an asbestos plate layer from inside to outside.

8. A regenerative tail gas incinerator according to claim 7 wherein: the igniter is a pulse igniter.