CN207350333U - A kind of gas heat-accumulated type updraft burner - Google Patents

Abstract

The utility model provides a kind of gas heat-accumulated type updraft burner, including air inlet smoke outlet, babinet, it is divided into accumulation of heat chamber and connection chamber in the babinet from top to bottom, one end of the connection chamber is connected with the bocca that L-type structure is formed with babinet, the other end connection Gas Pipe of the connection chamber, the wind disk for being used for air mixture pipe and connecting cavity indoor gas is equipped between the bocca and Gas Pipe, the bocca includes receiving the combustion chamber of mixed gas, the spout of chamber front end and the outer wall for forming combustion chamber and being connected with being connected chamber, the diameter of the combustion chamber is gradually decreased from close to one end of connection chamber to nozzle.The bocca diameter that the present apparatus provides is gradually reduced, form arc line shaped necking, high-pressure hot gas is formed in combustion chamber, the diminution of spout makes high-pressure hot gas spouting velocity increase form high-speed flow, make the flow perturbation of updraft combustor external strengthen, so as to effectively provide the temperature uniformity of updraft combustor external.

Description

A kind of gas heat-accumulated type updraft burner

Technical field

The utility model belongs to heat treatment equipment, and in particular to a kind of gas heat-accumulated type updraft burner.

Background technology

Problem is more next protrudes caused by shortage and environmental pollution, be China so that the whole world faces, inevitably, The problem of needing correctly to face, heat accumulating type high temperature air combustion technology are the collection energy-saving and environmental protection risen in the 90's of 20th century It is the revolution for the combustion field generally acknowledged by international burning circle etc. the new and high technology of multiple advantage.Its basic thought is to allow fuel to exist Burn in high-temperature low-oxygen concentration atmosphere, Mist heat recovering and efficient burning and reduce the technologies such as NOx discharge capacitys organically Combine, so as to fulfill energy saving and reduction pollutant discharge amount dual purpose.More and more manufacturing industry enterprises of China at present Industry starts to pay attention to energy saving and environmental protection equipment, and in heating furnace using upper, heat-storage type burner has achieved certain effect, and in heat In the application for the treatment of furnace but seldom, main cause is the temperature uniformity requirement being extremely difficult to required by Equipment for Heating Processing.

Utility model content

The purpose of gas heat-accumulated type updraft burner provided by the utility model is the temperature for solving heat-storage type burner Homogeneity question, makes it can be applied in Equipment for Heating Processing.

In order to solve the above technical problems, used technical solution is,

The babinet of connection below a kind of gas heat-accumulated type updraft burner, including air inlet smoke outlet, air inlet smoke outlet, it is special Sign is, is arrived from top to bottom in the babinet and is divided into accumulation of heat chamber and connection chamber, one end of the connection chamber be connected with Babinet forms the bocca of L-type structure, and the other end of the connection chamber connects the Gas Pipe of oriented bocca extension, the spray The wind disk for being used for air mixture pipe and connecting cavity indoor gas is equipped between nozzles and Gas Pipe, the wind disk is fixed on connecting cavity Interior, the bocca include receiving the combustion chamber of mixed gas, the spout of chamber front end and formation combustion chamber and with connecting The outer wall of chamber connection is connect, the diameter of the combustion chamber is gradually decreased from close to one end of connection chamber to nozzle, makes spout Diameter is much smaller than burning chamber inner diameter.

Further, the cabinet shell uses steel construction, and liner refractory fiber floor by Y types anchoring piece and shell with being connected The refractory casting bed of material for connecing and fixing refractory fiber floor.

Further, heat storage is fixed with close to one end of air inlet smoke outlet in the thermal room, the heat storage Lower end is equipped with the ventilation brick for being used to support heat storage, and the accumulation of heat chamber is flexibly connected with being connected chamber by bolt.

Preferably, the heat storage is honeycomb body structure, and the heat storage and ventilation brick use mullite high-temperature flame-proof Material.

Further, the Gas Pipe include contact with wind disk main combustible pipe, by main combustible pipe be connected chamber connect Fixed plate and be arranged on the one end of main combustible pipe away from connection chamber and be used for the cooling wind of temperature in regulating gas pipe and enter Mouthful.

Further, the wind disk includes multiple direct current channels of periphery formation main air port and is internally formed swirl diffuser Multiple slanted channels.

Further, the through hole and inclined hole extended from outside to bocca is provided with the outer wall of the connection chamber, it is described The ignition mechanism for lighting mixed gas is installed in through hole, the fire to gas burning observation in bocca is installed in the inclined hole Flame detector.

As shown from the above technical solution, the bocca diameter is gradually reduced, and forms arc line shaped necking, in the combustion chamber shape Into high-pressure hot gas, the diminution of spout makes high-pressure hot gas spouting velocity increase form high-speed flow, makes the air-flow in hot equipment cavity Disturbance enhancing, so as to effectively provide the temperature uniformity in Equipment for Heating Processing；The wind disk of use passes through direct current channel and oblique logical The effect in road, is shunted and forms secondary air feed, burning can be made more abundant, reduces the harmful components in flue gas；The storage It is flexibly connected successively using bolt between hot chamber and connection chamber and flame room, while is connected to Gas Pipe on connection chamber Equally it is connected by screw bolts, facilitates the dismounting of whole device, more preferably carry out maintenance and clean；Honeycomb ceramics makes preheated air temperature low In 100-150 DEG C of design temperature, heat is recycled to a greater extent, it is low to be allowed to exhaust gas temperature；The present apparatus is easy to installation and maintenance, Energy consumption is small, and pollutant is few, working stability, and uniformity is good in stove.

Brief description of the drawings

Fig. 1 is the sectional structure chart of the utility model；

Fig. 2 is sectional structure chart when the utility model is overlooked；

Fig. 3 is the structure diagram of the utility model Gas Pipe；

Fig. 4 is the structure diagram of the utility model wind disk；

In figure：10th, air inlet smoke outlet；20th, babinet；21st, accumulation of heat chamber；211st, heat storage；212nd, ventilation brick；22nd, connect Chamber；23rd, refractory fiber floor；24th, the refractory casting bed of material；25th, Y types anchoring piece；30th, Gas Pipe；31st, main combustible pipe；32nd, cool down Wind entrance；33rd, fixed plate；34th, V-type anchoring piece；40th, wind disk；41st, direct current channel；42nd, slanted channel；50th, flame room；51st, fire Burn room；52nd, spout；53rd, outer wall；60th, ignition mechanism；70th, flame detector.

Embodiment

The gas heat-accumulated type updraft burner provided below in conjunction with the accompanying drawings with specific embodiment utility model is made further Describe in detail.

Such as Fig. 1 and as shown in Fig. 2, this gas heat-accumulated type updraft burner include air inlet smoke outlet 10, babinet 20, flame room 50th, Gas Pipe 30, wind disk 40, ignition mechanism 60 and flame burner 70, wherein the babinet includes being bolted Accumulation of heat chamber 21 together and connection chamber 22, be air inlet smoke outlet above the accumulation of heat chamber, the accumulation of heat chamber it is close into Heat storage 211 is fixed with gas smoke outlet, the heat storage lower section, which has to be fixed on, is used to support the logical of heat storage in thermal room Gas brick 212, the heat storage are honeycomb ceramics, the honeycomb ceramics and ventilation brick made of mullite high-temperature refractory and Into service life length, the honeycomb ceramics size preferably uses 100*100*100, the size of the ventilation brick and air inlet smoke outlet Depending on the power of burner.

The air inlet smoke outlet 10 is used to be passed through combustion air or discharge flue gas, and it is Equipment for Heating Processing to be used for when burner Air inlet smoke outlet when thermal energy, that is, burner is used to heat is provided to be used to be passed through combustion air；When burner is in heat storage accumulation of heat When in journey, air inlet smoke outlet is used to discharge flue gas.

The cabinet shell uses steel construction, and refractory fiber floor 23 and the refractory casting bed of material 24, institute are equipped with the inside of steel construction State refractory fiber floor to be clipped between steel structure casing and the refractory casting bed of material, the refractory casting bed of material passes through Y types anchoring piece 25 and steel Structural housing connects, and the refractory casting bed of material is used to make accumulation of heat chamber and connection chamber sizing, while bears high temperature, described resistance to Fiery fibrous layer is used for insulation, reduces the surface temperature in device.

As shown in figure 3, the Gas Pipe 30 includes main combustible pipe 31, cooling air inlet 32, fixed plate 33, the main combustion gas Pipe is made of Cr25Ni20 materials, and the cooling air inlet is arranged on the one end of main combustible pipe away from connection chamber, for defeated Cold wind is sent to reduce the temperature in main combustible pipe, the main combustible pipe is connected in fixed plate, and the fixed plate 33 passes through bolt It is connected on connection chamber, the main combustible pipe puts on the outside of one end of connection chamber and is equipped with castable refractory, and the fire resisting is poured Material feeding is connected in fixed plate by V-type anchoring piece 34.

As shown in Figure 1, the combustion gas in high temperature air and Gas Pipe that the connection chamber is used to heat accumulation of heat chamber exists Mixed in wind disk 40, the wind disk is fixed on connection chamber to be included being formed on one end of bocca, the wind disk Multiple direct current channels 41 of main air port and multiple slanted channels 42 that swirl diffuser can be formed, as shown in figure 4, direct current channel is set In the outside of wind disk, 4 are equipped with the present embodiment, slanted channel is placed in wind disk, and 8, after preheating are equipped with the present embodiment High temperature air is mixed by the main air port of wind disk with combustion gas, and carries out secondary mixing by swirl diffuser, mixing is more filled Point, efficiency of combustion can be improved and reduce the discharge of pernicious gas NOx.

As shown in figure 3, the bocca 50 is bolted on connection chamber, whole burner is set to form L-type knot Structure, the bocca are the outlet of high-speed flame, and the gas mixed through wind disk is opened in the combustion chamber under the action of ignition mechanism Begin to burn, the outer wall of bocca uses castable refractory, makes the diameter of combustion chamber from one end of close connection chamber to bocca Nozzle is gradually reduced, and spout is formed arc line shaped necking, high-pressure hot gas is gradually formed in the gas of combustion chambers burn, spout Diminution makes the increase of high-pressure hot gas spouting velocity form high-speed flow so that the flow perturbation enhancing in hot equipment cavity, from And effectively provide the temperature uniformity in Equipment for Heating Processing.

As shown in Fig. 2, the through hole and inclined hole extended from outside to bocca is provided with the outer wall of the connection chamber, it is described The ignition mechanism 60 for lighting mixed gas is installed, the junction of the ignition mechanism and bocca is hidden in connecting cavity in through hole Indoor fire resisting is poured in the bed of material, and influence of the air-flow of burner to ignition mechanism in itself is smaller, it will not be caused flame-out, thus Functional reliability is high；Flame detector 70 to gas burning observation in bocca is installed, to ensure when combustion in the inclined hole When burner breaks down and stops working, alarmed and stop supplying, it is ensured that safety during work.

The use principle of the present apparatus：After accumulation of heat, combustion air is entered in burner heat storage by air inlet smoke outlet, Pass through heat storage downwards, enter after the heating of heat storage in connecting cavity room, with the combustion gas in the indoor Gas Pipe of connecting cavity Mixed in wind disk, high-speed flame is formed in combustion chambers burn by arc spout by ignition mechanism after mixing Spray；When regenerator temperature, which gradually reduces, is not enough to heating combustion air, stop supply, the cigarette for formation of burning in the combustion chamber Gas is moved by connecting chamber to accumulation of heat chamber, and heat storage absorbs the heat in flue gas, and discharges flue gas by air inlet smoke outlet, Accumulation of heat gradually is carried out to heat storage, that is, repeats the above process, temperature is provided for Equipment for Heating Processing；In actual use, it is hot Two burners can be set in processing equipment, when one of burner provides thermal energy for Equipment for Heating Processing another burner into The accumulation of heat of row heat storage, uses so as to fulfill alternately switching, uninterrupted to provide thermal energy and Mist heat recovering for Equipment for Heating Processing And the discharge of harmful substance is reduced, while handoff procedure may be configured as timing or not timing.

In order to make the purpose of this utility model, technical solution and advantage more concise, the utility model is used to be had above Body embodiment illustrates, and is used only for description the utility model, it is impossible to be interpreted as the limitation to the scope of the utility model.Should , should all when, it is noted that all any modification, equivalent and improvement done where within the spirit and principles of the present invention etc. It is included within the scope of protection of this utility model.Therefore, the protection domain of the utility model patent should be with appended claims Subject to.

Claims (7)

1. a kind of gas heat-accumulated type updraft burner, including air inlet smoke outlet（10）, below air inlet smoke outlet connection babinet （20）, it is characterised in that it is divided into accumulation of heat chamber in the babinet from top to bottom（21）With connection chamber（22）, the connection chamber One end be connected with and babinet（20）Form the bocca of L-type structure（50）, the oriented spray of other end connection of the connection chamber The Gas Pipe of nozzles extension（30）, it is equipped between the bocca and Gas Pipe and is used for air mixture pipe and connecting cavity indoor gas Wind disk（40）, the wind disk is fixed in connecting cavity room, the bocca（50）Combustion chamber including receiving mixed gas （51）, chamber front end formed spout（52）And form combustion chamber and the outer wall with being connected chamber connection（53）, the combustion The diameter for burning room is gradually decreased from close to one end of connection chamber to nozzle.

2. gas heat-accumulated type updraft burner according to claim 1, it is characterised in that the cabinet shell uses steel knot Structure, liner refractory fiber floor（23）With passing through Y type anchoring pieces（25）The fire resisting fixed with cage connection and by refractory fiber floor is poured Material feeding layer（24）.

3. gas heat-accumulated type updraft burner according to claim 1, it is characterised in that in the thermal room close into One end of gas smoke outlet is fixed with heat storage（211）, the lower end of the heat storage is equipped with the ventilation brick for being used to support heat storage （212）, the accumulation of heat chamber is flexibly connected with being connected chamber by bolt.

4. gas heat-accumulated type updraft burner according to claim 3, it is characterised in that the heat storage is honeycomb ceramics knot Structure, the heat storage and ventilation brick use mullite high-temperature flame-proof material.

5. gas heat-accumulated type updraft burner according to claim 1, it is characterised in that the Gas Pipe includes and wind disk The main combustible pipe of contact（31）, by main combustible pipe and be connected chamber connection fixed plate（33）And to be arranged on main combustible pipe remote From the cooling air inlet for being used for temperature in regulating gas pipe on one end of connection chamber（32）.

6. gas heat-accumulated type updraft burner according to claim 1, it is characterised in that the wind disk includes periphery and formed Multiple direct current channels of main air port（41）And it is internally formed multiple slanted channels of swirl diffuser（42）.

7. gas heat-accumulated type updraft burner according to claim 1, it is characterised in that on the outer wall of the connection chamber The through hole and inclined hole extended from outside to bocca is provided with, the ignition mechanism for lighting mixed gas is installed in the through hole （60）, the flame detector to gas burning observation in bocca is installed in the inclined hole（70）.