CN211476287U

CN211476287U - Internal heat air mixing device of hot blast stove with double air inlets

Info

Publication number: CN211476287U
Application number: CN201922048961.0U
Authority: CN
Inventors: 李维秀
Original assignee: Tianjin Nongsheng Agricultural Technology Co ltd
Current assignee: Tianjin Nongsheng Agricultural Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-09-11
Anticipated expiration: 2030-07-06

Abstract

The utility model provides a hot-blast air mixing device in hot-blast furnace with double air inlets. The hot-blast wind device that mixes in two air inlet hot-blast stoves includes the furnace body, the box, reciprocating mechanism and dislocation mechanism, fixed mounting has the combustor on the furnace body inside wall, box fixed mounting is at the top of furnace body, the bottom sliding connection of box has the slide bar, the slide bar passes the diapire of box and the inside that the roof of furnace body extends to the furnace body, sliding connection has first deep bead on the inside wall of furnace body, still sliding connection has a plurality of second deep beads on the inside wall of furnace body, offer the spout that is used for first deep bead board and second deep bead removal on the interior roof of furnace body, reciprocating mechanism installs inside the box, the inside at the furnace body is installed to the dislocation mechanism. The utility model provides an interior hot air mixing device of two air inlet hot-blast stoves has the high temperature flue gas that makes after external cold air and the burner heating and strengthens at the inside dwell time of hot-blast stove to improve mixing efficiency's advantage.

Description

Internal heat air mixing device of hot blast stove with double air inlets

Technical Field

The utility model relates to an industry stoving technical field especially relates to a hot-blast air mixing device in two air inlet hot-blast stoves.

Background

At present, the hot blast stove is widely applied to a plurality of drying fields, energy conservation, environmental protection, emission reduction and prevention of the application of smoke emission of a coal-fired boiler are greatly promoted in China, the gas hot blast stove is taken as novel heat source equipment, the heat utilization rate and the thermal working effect of gas are greatly improved in the working condition operation of ensuring the quality of ambient air, the production capacity and the economic benefit are increased, cold air enters from the side wall, and after the cold air is heated to a certain temperature, the cold air is led to corollary equipment through an air outlet pipe, so that the hot blast stove is widely applied to the material drying industry with large water content, high yield, low requirement on surface quality and no pollution.

The high temperature flue gas mixing time that many inspiratory external cold air of hot-blast furnace produced after heating with the combustor is too short now, just directly is discharged the use, leads to mixing efficiency not high, and the little waste resource of air outlet steam amount of wind.

Therefore, it is necessary to provide a hot air mixing device in a hot blast stove with double air inlets to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a make external cold air strengthen at the inside detention time of hot-blast furnace with the high temperature flue gas after the combustor heating to improve mixing efficiency's two air inlet hot-blast furnace internal heat and mix wind device.

In order to solve the technical problem, the utility model provides a hot-blast air mixing device in two air inlet hot-blast stoves includes: the furnace body, fixedly install the burner on the inside wall of the said furnace body, the air inlet of said burner and furnace body is fitted with the air-supply line fixedly, the side of the said furnace body far away from air-supply line is fitted with the air-out pipe fixedly, the bottom of the said furnace body is fitted with the supporting leg fixedly; the furnace body is fixedly arranged at the top of the furnace body, the bottom of the box body is connected with a slide bar in a sliding manner, the slide bar penetrates through the bottom wall of the box body and the top wall of the furnace body and extends into the furnace body, a first wind shield is connected to the inner side wall of the furnace body in a sliding manner, a plurality of second wind shields are further connected to the inner side wall of the furnace body in a sliding manner, and a sliding groove for moving the first wind shield and the second wind shield is formed in the inner top wall of the furnace body; the reciprocating mechanism comprises a motor, a cam, a rolling ball and a spring, the motor is fixedly arranged on the inner side wall of the box body, the cam is fixedly sleeved on the driving end of the motor, the rolling ball is fixedly connected with one end, arranged in the box body, of the sliding rod, and the spring is connected in series on the rod wall, arranged in the box body, of the sliding rod;

the dislocation mechanism is arranged in the furnace body.

Preferably, the dislocation mechanism comprises a gear and a rack, the gear is rotatably connected to the inner side wall of the furnace body, the racks are mounted on the side walls of the first wind shield and the second wind shield, and the gear and the racks are meshed with each other.

Preferably, a heat insulation plate is fixedly arranged on the inner side wall of the furnace body.

Preferably, a dust filter screen is fixedly arranged between the inner side wall of the furnace body and the side wall of the combustor.

Preferably, one end of the spring is fixedly connected with the inner side wall of the box body, and the other end of the spring is fixedly connected with one end, close to the rolling ball, of the sliding rod.

Preferably, flow valves are fixedly mounted on the air inlet pipe and the air outlet pipe.

Compared with the prior art, the utility model provides a hot-blast air mixing device in two air inlet hot-blast stoves has following beneficial effect:

the utility model provides a hot-blast device that mixes in two air inlet hot-blast stoves, when the high temperature flue gas that produces at the combustor heating mixes with external cold air in furnace body hybrid chamber inside, reciprocating mechanism work drives the slide bar round trip movement, it reciprocates to make the slide bar drive first deep bead, it moves down to drive the second deep bead when can making first deep bead shift up under the effect of dislocation mechanism, can drive the second deep bead when first deep bead moves down and shift up, thereby stagger each other and constantly open and close and plug up the mist, make the mist lengthen at the inside detention time of furnace body, thereby make high temperature flue gas and cold air can the intensive mixing, thereby improve mixing efficiency.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an internal heat air mixing device of a double-air inlet hot blast stove provided by the present invention;

FIG. 2 is a front view of the reciprocator shown in FIG. 1;

fig. 3 is a side view of the reciprocator shown in fig. 1.

Reference numbers in the figures: 1. the furnace body, 2, a burner, 3, a box body, 4, a reciprocating mechanism, 41, a motor, 42, a cam, 43, a rolling ball, 44, a spring, 5, a sliding rod, 6, a first wind shield, 7, a second wind shield, 8, a dislocation mechanism, 81, a gear, 82, a rack, 9, a heat shield, 9a, a chute, 9b, a dust filtering net, 9c, an air inlet pipe, 9d, an air outlet pipe, 9e, a flow valve, 9f and supporting legs.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an internal heat mixing device of a dual air inlet hot blast stove according to the present invention; FIG. 2 is a front view of the reciprocator shown in FIG. 1; fig. 3 is a side view of the reciprocator shown in fig. 1. The hot-blast air mixing device in two air inlet hot-blast stoves includes: furnace body 1, box 3, reciprocating mechanism 4 and dislocation mechanism 8, fixed mounting has combustor 2 on 1 inside wall of furnace body, combustor 2 has air-supply line 9c with the equal fixed mounting of air intake of furnace body 1, furnace body 1 keeps away from one side fixed mounting of air-supply line 9c has a tuber pipe 9d, furnace body 1's bottom fixed mounting has supporting

leg

9f, 3 fixed mounting at the top of furnace body 1 of box, box 3's bottom sliding connection has slide bar 5, slide bar 5 passes box 3's diapire and furnace body 1's roof and extends to the inside of furnace body 1, sliding connection has first deep bead 6 on furnace body 1's the inside wall, still sliding connection has a plurality of second deep bead 7 on furnace body 1's the inside wall, offer the spout 9a that is used for first deep bead 6 and second deep bead 7 to remove on furnace body 1's the interior roof, dislocation mechanism 8 installs the inside.

In the specific implementation process, as shown in fig. 1 and fig. 2, the reciprocating mechanism 4 includes a motor 41, a cam 42, a rolling ball 43 and a spring 44, the motor 41 is fixedly installed on the inner side wall of the box 3, the cam 42 is fixedly sleeved on the driving end of the motor 41, the rolling ball 43 is fixedly connected with one end of the sliding rod 5 placed inside the box 3, and the spring 44 is connected in series on the rod wall of the sliding rod 5 placed inside the box 3.

One end of the spring 44 is fixedly connected with the inner side wall of the box body 3, and the other end of the spring 44 is fixedly connected with one end of the slide bar 5 close to the rolling ball 43.

The dislocation mechanism 8 comprises a gear 81 and a rack 82, the gear 81 is rotatably connected to the inner side wall of the furnace body 1, the racks 82 are respectively arranged on the side walls of the first wind shield 6 and the second wind shield 7, and the gear 81 is meshed with the racks 82.

It should be noted that: when the motor 41 works and runs, the cam 42 fixedly connected with the driving end of the cam is driven to rotate, when the cam 42 rotates to the small end to be contacted with the rolling ball 43, the rolling ball 43 is squeezed, the rolling ball 43 and the slide rod 5 are driven to move, at the same time, the spring 44 is stressed and compressed, when the cam 42 rotates to the large end to be contacted with the rolling ball 43, the spring 44 is relieved of stress, the slide rod 5 and the rolling ball 43 are driven to move and reset, so that the slide rod 5 can move back and forth to realize reciprocating movement, the slide rod 5 can drive the first wind shield 6 fixedly connected with the slide rod to move up and down, when the first wind shield 6 is driven by the slide rod 5 to move, the rack 82 on the side wall of the first wind shield 6 can drive the gear 81 to rotate, the gear 81 can drive the second wind shield 7 connected with the rack 82 to move reversely, so that the first wind shield 6 can drive the second, the first wind shield 6 moves downwards to drive the second wind shield 7 to move upwards, so that the closed mixed gas is continuously opened, the detention time of the high-temperature flue gas and the external cold air in the furnace body 1 is prolonged, and the high-temperature flue gas and the external cold air are mixed more thoroughly.

Referring to fig. 1, a heat insulation plate 9 is fixedly installed on the inner side wall of the furnace body 1, and the heat of the gas inside the furnace body 1 can be prevented from dissipating through the heat insulation plate 9.

Referring to fig. 1, a dust filter 9b is fixedly installed between the inner side wall of the furnace body 1 and the side wall of the burner 2, and the dust filter 9b can filter the outside air entering from the air inlet pipe 9c to remove larger impurity particles in the air, thereby facilitating the mixing of the air.

Referring to fig. 1, a flow valve 9e is fixedly installed on each of the air inlet pipe 9c and the air outlet pipe 9d, and the flow rate of gas flowing in and out can be controlled by opening and closing the flow valve 9 e.

The utility model provides a hot-blast air mixing device's in two air inlet hot-blast stoves theory of operation as follows:

when high-temperature flue gas generated by heating of the combustion machine 2 is mixed with cold air entering the furnace body 1 from the outside inside the mixing chamber, the motor 41 can drive the cam 42 fixedly connected with the driving end to rotate through the working operation, when the cam 42 rotates to the end with the small end to contact with the rolling ball 43, the rolling ball 43 can be extruded, the rolling ball 43 and the slide bar 5 are driven to move, the spring 44 can be stressed and compressed at the moment, when the cam 42 rotates to the end with the large end to contact with the rolling ball 43, the spring 44 can be relieved from stress, the slide bar 5 and the rolling ball 43 can be driven to move and reset, so that the slide bar 5 can move back and forth to realize reciprocating movement, the slide bar 5 can drive the first wind shield 6 fixedly connected with the slide bar 5 to move up and down, when the first wind shield 6 is driven to move by the slide bar 5, the rack 82 on the side wall of the first wind shield 6 can drive the gear 81 to rotate, and the, thereby make first deep bead 6 move up just can drive second deep bead 7 and move down, first deep bead 6 moves down just can drive second deep bead 7 and move up to constantly open closed mist, make high temperature flue gas and external cold air lengthen at the inside detention time of furnace body 1, thereby make the two mix more thoroughly, thereby improve mixing efficiency resources are saved.

The utility model discloses well motor 41 adopts Y80M1-2 model, and motor 41 moves for current conventional circuit, and motor 41's power supply interface passes through the switch and connects the power supply system, realizes motor 41's rotation control, the utility model discloses well circuit and control that relate to are prior art, do not carry out too much the repeated description here.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a hot-blast device that mixes in two air inlet hot-blast stoves which characterized in that includes:

the air-conditioning furnace comprises a furnace body (1), wherein a burner (2) is fixedly installed on the inner side wall of the furnace body (1), an air inlet pipe (9c) is fixedly installed at each of the burner (2) and an air inlet of the furnace body (1), an air outlet pipe (9d) is fixedly installed at one side, far away from the air inlet pipe (9c), of the furnace body (1), and supporting legs (9f) are fixedly installed at the bottom of the furnace body (1);

the furnace body comprises a box body (3), wherein the box body (3) is fixedly arranged at the top of a furnace body (1), the bottom of the box body (3) is connected with a slide rod (5) in a sliding manner, the slide rod (5) penetrates through the bottom wall of the box body (3) and the top wall of the furnace body (1) and extends into the furnace body (1), a first wind shield (6) is connected to the inner side wall of the furnace body (1) in a sliding manner, a plurality of second wind shields (7) are further connected to the inner side wall of the furnace body (1) in a sliding manner, and a sliding groove (9a) for moving the first wind shield (6) and the second wind shields (7) is formed in the inner top;

the reciprocating mechanism (4) comprises a motor (41), a cam (42), a rolling ball (43) and a spring (44), the motor (41) is fixedly installed on the inner side wall of the box body (3), the cam (42) is fixedly sleeved on the driving end of the motor (41), the rolling ball (43) is fixedly connected with one end, arranged inside the box body (3), of the sliding rod (5), and the spring (44) is connected in series on the rod wall, arranged inside the box body (3), of the sliding rod (5);

the dislocation mechanism (8), the dislocation mechanism (8) is installed in the furnace body (1).

2. The hot air mixing device in the double-air-inlet hot air furnace as claimed in claim 1, wherein the dislocation mechanism (8) comprises a gear (81) and a rack (82), the gear (81) is rotatably connected to the inner side wall of the furnace body (1), the racks (82) are respectively installed on the side walls of the first wind shield (6) and the second wind shield (7), and the gear (81) and the racks (82) are meshed with each other.

3. The hot air mixing device in the double air inlet hot blast stove according to claim 1, characterized in that a heat insulation plate (9) is fixedly installed on the inner side wall of the stove body (1).

4. The hot air mixing device in the double air inlet hot blast stove according to claim 1, characterized in that a dust filter (9b) is fixedly installed between the inner side wall of the stove body (1) and the side wall of the burner (2).

5. The hot air mixing device in the double-air-inlet hot blast stove according to claim 1, characterized in that one end of the spring (44) is fixedly connected with the inner side wall of the box body (3), and the other end of the spring (44) is fixedly connected with one end of the sliding rod (5) close to the rolling ball (43).

6. The hot air mixing device in a double air inlet hot blast stove according to claim 1, characterized in that flow valves (9e) are fixedly installed on the air inlet pipe (9c) and the air outlet pipe (9 d).