CN209944366U

CN209944366U - Waste gas treatment furnace adopting natural gas incineration

Info

Publication number: CN209944366U
Application number: CN201920558147.0U
Authority: CN
Inventors: 谭俊峰; 李加军; 彭勇
Original assignee: Hunan Xin Tianli Science And Technology Ltd
Current assignee: Hunan Xin Tianli Science And Technology Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-01-14
Anticipated expiration: 2029-04-23

Abstract

The utility model provides an exhaust-gas treatment furnace adopting natural gas incineration, which comprises an exhaust fan base, an exhaust fan, a gas outlet, a water cooler, an incinerator, a natural gas burner, a bottom frame and a thermocouple, wherein the spiral preheating chamber is formed between the heat preservation layer, spiral flow deflectors and the preheating chamber; the arrangement of the damping baffle plate can prevent the air flow speed and increase the heat exchange time; the arrangement of the heat-insulating layer and the heat accumulator has better heat-insulating effect, the diameters of the furnace body and the combustion chamber can be correspondingly reduced, the heat-insulating layer is reduced, and the cost is saved; the setting of thermocouple can detect the operating temperature of combustion chamber to adjust and control the size of natural gas burner flame power through PID, realize temperature automatic control.

Description

Waste gas treatment furnace adopting natural gas incineration

Technical Field

The utility model belongs to the technical field of industrial waste gas treatment equipment, especially, relate to an adopt waste gas treatment stove that natural gas burns.

Background

During the sintering process of the kiln for the anode material and the cathode material of the lithium battery, a large amount of waste gas can be generated, the waste gas contains a large amount of harmful substances such as gaseous organic compounds, CO, NH3 and the like, and the waste gas can cause great harm to human bodies in factories and pollute the environment, so that the waste gas needs to be treated into harmless gas and then discharged.

The invention discloses a natural gas-using waste gas incinerator with Chinese patent publication No. CN 206724197U, which can treat waste gas of a drying room, enable the waste gas to be completely combusted and reasonably utilize heat. The spark arrester is installed on the outlet duct, a plurality of air inlet through-holes have been seted up on furnace body upper surface right side, a plurality of air inlet through-holes all communicate with waste gas pipeline one end, the waste gas pipeline other end communicates with the end of giving vent to anger of air-dividing case, the inlet end of air-dividing case and waste gas heat exchanger's the end intercommunication of giving vent to anger, it is equipped with a plurality of through-holes on to go up the baffle upper surface, lower baffle upper surface right-hand member is equipped with a plurality of lower through-holes, each air inlet through-hole respectively with one go up through the upper breather pipe intercommunication between the through-hole, every is gone up the left side that the through-hole all set up corresponding air inlet through-hole, every. The utility model discloses the rational utilization resource realizes energy-concerving and environment-protective. However, the existing waste gas incinerator using natural gas also has the problems that most of waste gas generated by sintering equipment of an industrial kiln is discharged after being subjected to high-temperature oxidative decomposition treatment by an electric furnace, the electric furnace is heated by electric energy, the operation cost is high, the structure is complex, the flow of the waste gas is large, the oxidative decomposition is insufficient, and the emission standard of atmospheric pollutants of the industrial kiln is difficult to achieve.

Therefore, it is necessary to develop a waste gas treatment furnace using natural gas incineration.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an adopt waste gas treatment stove that natural gas burns to solve current waste gas that uses the natural gas and burn burning furnace and still having the waste gas that industrial kiln sintering equipment produced most through the discharge of electric stove high temperature oxidative decomposition processing back, the electric stove uses is the electric energy heating, the running cost is high, the structure is complicated, the big oxidative decomposition of waste gas flow is insufficient, hardly reaches industrial kiln atmospheric pollutants emission standard's problem. A waste gas treatment furnace adopting natural gas incineration comprises an exhaust fan base, an exhaust fan, a gas outlet, a water cooler, an incinerator, a natural gas burner, a bottom frame and a thermocouple, wherein the exhaust fan is arranged above the exhaust fan base through a bolt; the air outlet is arranged at the upper end of the exhaust fan; the water cooler is communicated with the base of the air extractor and is connected with the base of the air extractor through a bolt; the incinerator is sleeved outside the water cooler; the natural gas burner is arranged at one end of the incinerator through a bolt; the underframe is arranged at the bottom of the incinerator and is fixed by bolts; the thermocouple is installed at one side of the incinerator by a screw, and is inserted into the combustion chamber.

The water cooler comprises a pipe shell, a preheating chamber, a cooling chamber, a conical opening, a damping baffle, a combustion chamber, a heat accumulator, a spiral flow deflector and a flowing water cooling layer, wherein a gap formed between the spiral flow deflector and the heat insulation layer is the preheating chamber; the cooling chamber is arranged at one end inside the pipe shell and is communicated with the exhaust fan; the conical opening is arranged at the other end of the pipe shell; the damping baffle is inserted in the pipe shell; the combustion chamber is arranged between the conical port and the heat accumulator; the heat accumulator is arranged inside the pipe shell; the spiral flow deflector is welded outside the pipe shell; the flowing water-cooling layer is arranged in the interlayer of the tube shell.

A plurality of waist-shaped air inlets are formed in the periphery of the conical opening, so that waste gas can enter conveniently.

The heat accumulator adopts a corundum-mullite material honeycomb ceramic structure, and has the characteristics of high temperature resistance, high strength, small heat conductivity coefficient, obvious energy-saving effect and the like.

The incinerator comprises an incinerator body, a heat insulation layer and a waste gas inlet, wherein the incinerator body is arranged into a cylindrical hollow cylinder; the heat-insulating layer is attached to the inner wall of the furnace body; the waste gas inlet is set to be cylindrical and welded on one side of the furnace body, and the inner cavity of the waste gas inlet is communicated with the furnace body.

The heat-insulating layer is made of light mullite heat-insulating bricks, and can directly contact with flame.

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

1. the utility model discloses the heat preservation, the setting of spiral water conservancy diversion piece and preheating chamber forms spiral helicine preheating chamber between heat preservation and the spiral water conservancy diversion piece, can form the spiral air current when waste gas passes through the preheating chamber, and increase preheating time and heat conduction area, waste gas get into combustion chamber and natural gas mixed combustion after the abundant preheating of preheating chamber, the effectual mixed effect and the combustion rate with the natural gas that has improved.

2. The utility model discloses a setting of heat preservation and heat accumulator, waste gas flow at the cavity between heat preservation and heat accumulator, fine blockking the heat and passed to the furnace body, have better heat preservation effect, the corresponding diameter that can subtract furnace body and combustion chamber reduces the heat preservation, practices thrift the cost.

3. The utility model discloses a setting of damping baffle prevents air velocity, increases the heat exchange time.

4. The utility model discloses a setting of thermocouple, thermocouple insert the combustion chamber, detectable combustion chamber operating temperature to adjust and control natural gas burner flame power size through PID, realize setting for temperature automatic control.

Drawings

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

Fig. 2 is a schematic sectional structure diagram of the water cooler and the incinerator of the present invention.

Fig. 3 is a schematic view of the external structure of the water cooler of the present invention.

In the figure:

1-an air draft fan base, 2-an air draft fan, 3-an air outlet, 4-a water cooler, 41-a pipe shell, 42-a preheating chamber, 43-a cooling chamber, 44-a conical opening, 45-a damping baffle, 46-a combustion chamber, 47-a heat accumulator, 48-a spiral flow deflector, 49-a flowing water cooling layer, 5-an incinerator, 51-a furnace body, 52-a heat insulation layer, 53-a waste gas inlet, 6-a natural gas burner, 7-a base frame and 8-a thermocouple.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 3

The utility model provides a waste gas treatment furnace adopting natural gas incineration, which comprises an exhaust fan base 1, an exhaust fan 2, a gas outlet 3, a water cooler 4, an incinerator 5, a natural gas burner 6, a bottom frame 7 and a thermocouple 8, wherein the exhaust fan 2 is arranged above the exhaust fan base 1 through bolts; the air outlet 3 is arranged at the upper end of the exhaust fan 2; the water cooler 4 is communicated with the exhaust fan base 1 and is connected with the exhaust fan base through a bolt; the incinerator 5 is sleeved outside the water cooler 4; the natural gas combustor 6 is arranged at one end of the incinerator 5 through bolts; the underframe 7 is arranged at the bottom of the incinerator 5 and is fixed by bolts; the thermocouple 8 is installed at one side of the incineration furnace 5 by means of screws and is inserted into the combustion chamber 46.

The water cooler 4 comprises a pipe shell 41, a preheating chamber 42, a cooling chamber 43, a conical opening 44, a damping baffle 45, a combustion chamber 46, a heat accumulator 47, a spiral guide vane 48 and a flowing water-cooling layer 49, wherein a gap formed between the spiral guide vane 48 and an insulating layer 52 is the preheating chamber 42; the cooling chamber 43 is arranged at one end inside the pipe shell 41 and is communicated with the exhaust fan 2; the conical opening 44 is arranged at the other end of the pipe shell 41; the damping baffle 45 is inserted in the pipe shell 41; the combustion chamber 46 is arranged between the conical port 44 and the heat accumulator 47; the heat accumulator 47 is arranged inside the tube shell 41; the spiral flow deflector 48 is welded outside the pipe shell 41; the flow water cooling layer 49 is provided in the interlayer of the tube shell 41.

A plurality of waist-shaped air inlets are formed around the conical opening 44, so that waste gas can enter conveniently.

The heat accumulator 47 adopts a honeycomb ceramic structure made of corundum-mullite material, and has the characteristics of high temperature resistance, high strength, small heat conductivity coefficient, obvious energy-saving effect and the like.

The incinerator 5 comprises an incinerator body 51, an insulating layer 52 and an exhaust gas inlet 53, wherein the incinerator body 51 is arranged into a cylindrical hollow cylinder; the heat-insulating layer 52 is attached to the inner wall of the furnace body 51; the waste gas inlet 53 is set to be cylindrical and welded on one side of the furnace body 51, and the inner cavity of the waste gas inlet is communicated with the furnace body 51.

The heat-insulating layer 52 is made of light mullite heat-insulating bricks, and can directly contact with flame.

Principle of operation

The utility model discloses in, waste gas loops through from waste gas entry 53 and forms spiral helicine preheating chamber 42 between heat preservation 52 and the spiral guide vane 48, waste gas can form the spiral air current when passing through preheating chamber 42, waste gas gets into combustion chamber 46 after preheating chamber 42's abundant preheating, meanwhile natural gas burner 6 will carry to in the combustion chamber 46, and with waste gas co-combustion, waste gas passes heat accumulator 47 and leads to water chiller 4 after combustion chamber 46, get into cooling chamber 43, damping baffle 45 prevents air velocity, increase heat exchange time, air exhauster 2 takes waste gas out, discharge through gas outlet 3, thermocouple 8 detectable combustion chamber 46 operating temperature, and regulate and control the 6 flame power sizes of natural gas burner through PID, realize setting for temperature automatic control.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides an adopt waste gas treatment stove of natural gas burning which characterized in that: the natural gas burner comprises an air extractor base (1), an air extractor (2), an air outlet (3), a water cooler (4), an incinerator (5), a natural gas burner (6), a bottom frame (7) and a thermocouple (8), wherein the air extractor (2) is installed above the air extractor base (1) through bolts; the air outlet (3) is arranged at the upper end of the exhaust fan (2); the water cooler (4) is communicated with the base (1) of the air draft fan and is connected with the base through a bolt; the incinerator (5) is sleeved outside the water cooler (4); the natural gas combustor (6) is arranged at one end of the incinerator (5) through bolts; the underframe (7) is installed at the bottom of the incinerator (5) and is fixed through bolts; the thermocouple (8) is installed at one side of the incinerator (5) by means of screws and is inserted into the combustion chamber (46).

2. The exhaust gas treatment furnace using natural gas incineration of claim 1, wherein: the water cooler (4) comprises a pipe shell (41), a preheating chamber (42), a cooling chamber (43), a conical opening (44), a damping baffle plate (45), a combustion chamber (46), a heat storage body (47), a spiral flow deflector (48) and a flowing water cooling layer (49), wherein a gap formed between the spiral flow deflector (48) and an insulating layer (52) is the preheating chamber (42); the cooling chamber (43) is arranged at one end inside the pipe shell (41) and is communicated with the exhaust fan (2); the conical opening (44) is arranged at the other end of the pipe shell (41); the damping baffle plate (45) is inserted in the pipe shell (41); the combustion chamber (46) is arranged between the conical port (44) and the heat accumulator (47); the heat accumulator (47) is arranged inside the tube shell (41); the spiral guide vane (48) is welded outside the pipe shell (41); the flowing water cooling layer (49) is arranged in the interlayer of the tube shell (41).

3. The exhaust gas treatment furnace using natural gas incineration of claim 2, wherein: a plurality of waist-shaped air inlets are formed around the conical opening (44).

4. The exhaust gas treatment furnace using natural gas incineration of claim 2, wherein: the heat accumulator (47) adopts a corundum-mullite material honeycomb ceramic structure.

5. The exhaust gas treatment furnace using natural gas incineration of claim 1, wherein: the incinerator (5) comprises an incinerator body (51), a heat insulation layer (52) and a waste gas inlet (53), wherein the incinerator body (51) is arranged into a cylindrical hollow cylinder; the heat-insulating layer (52) is attached to the inner wall of the furnace body (51); the waste gas inlet (53) is set to be cylindrical and welded on one side of the furnace body (51), and the inner cavity of the waste gas inlet is communicated with the furnace body (51).

6. The exhaust gas treatment furnace using natural gas incineration of claim 5, wherein: the heat-insulating layer (52) is made of light mullite heat-insulating bricks.