CN210569883U

CN210569883U - Energy-saving pellet roasting shaft furnace

Info

Publication number: CN210569883U
Application number: CN201921640654.5U
Authority: CN
Inventors: 彭楚
Original assignee: Jiangxi Lianda Jinshawan Metallurgical Co Ltd
Current assignee: Jiangxi Lianda Jinshawan Metallurgical Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-19
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses an energy-saving pelletizing calcination shaft furnace, the induction cooker comprises a cooker bod, the middle part fixedly connected with combustion chamber of furnace body, the inner wall of combustion chamber is a plurality of burning nozzle of annular array fixed connection, the fixed stoving funnel that has cup jointed in top of furnace body inner wall, the feed inlet has been seted up at the top of furnace body, the top symmetry of furnace body is provided with the hinge, the hinge rotation connection door plant is passed through at the top of furnace body, the inner chamber and the door plant of feed inlet slide and cup joint, one side fixedly connected with handle of door plant upper surface, the venthole has been seted up at the middle part of furnace body upper surface, the fixed exhaust duct that has cup jointed in inner chamber of. The utility model discloses utilize drying funnel's the mode that sets up, drying funnel fixes the cup joint at the top of furnace body inner wall, and the heat that gives off in the combustion chamber is dried to the raw materials on drying funnel, has saved raw materials drying device, and has improved energy utilization efficiency, reduces producer manufacturing cost.

Description

Energy-saving pellet roasting shaft furnace

Technical Field

The utility model relates to a roasting shaft furnace field, in particular to an energy-saving pellet roasting shaft furnace.

Background

The high-temp waste gas generated by burning gas or liquid fuel is sprayed into the combustion chambers at both sides of upper portion of roasting shaft furnace, and moves in the direction opposite to that of raw pellets moving from top to bottom to heat the raw pellets, and cold air is blown into the lower portion of shaft furnace to move from bottom to top in the furnace to cool the raw pellets, so that the raw pellets distributed in the furnace mouth are dried, preheated, roasted, uniformly heated and cooled by 5 working zones in the course of continuous descending in the shaft furnace, and then roasted into finished pellets, which are continuously discharged from the lower portion of the shaft furnace.

In the roasting of the existing shaft furnace, raw materials are dried by a drying device and then can be combusted, and the heat sprayed out of a combustion chamber is used for roasting the raw materials, then the heat rises and is dissipated to the outside by an exhaust pipeline, so that the raw materials are dried, time and energy are wasted, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving pellet roasting shaft furnace to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy-saving pelletizing calcination shaft furnace, includes the furnace body, the middle part fixedly connected with combustion chamber of furnace body, the inner wall of combustion chamber is a plurality of burning nozzle of annular array fixed connection, the fixed stoving funnel that has cup jointed in top of furnace body inner wall, the feed inlet has been seted up at the top of furnace body, the top symmetry of furnace body is provided with the hinge, the hinge rotation connection door plant is passed through at the top of furnace body, the inner chamber and the door plant of feed inlet slide and cup joint, one side fixedly connected with handle of door plant upper surface, the venthole has been seted up at the middle part of furnace body upper surface, exhaust duct has been cup jointed to the inner chamber of venthole, exhaust duct's middle part is provided.

As a preferred technical scheme of the utility model, filter equipment includes closing plate, connecting block, bolt and filter screen, the opening has been seted up at the positive middle part of exhaust duct, the open-ended inner chamber cup joints with the closing plate slip, the both ends of closing plate all with the connecting block, exhaust duct's both ends fixedly connected with and closing plate assorted connecting block, two the connecting block passes through bolt fixed connection, set up the draw-in groove in the exhaust duct inner wall, the inner chamber and the filter screen activity joint of draw-in groove.

As a preferred technical scheme of the utility model, the middle part of furnace body inner wall is provided with the branch flitch, the middle part of furnace body inner wall is four connecting rods of annular array fixedly connected with, four the one end and the branch flitch fixed connection of connecting rod.

As a preferred technical scheme of the utility model, the bottom fixedly connected with of furnace body inner wall gathers the material funnel, the discharge gate has been seted up to furnace body inner wall's bottom, just the inner chamber of discharge gate communicates with each other with the inner chamber that gathers the material funnel.

As a preferred technical scheme of the utility model, the air intake has been seted up to the bottom symmetry of furnace body, the fixed intake pipe that has cup jointed in the inner chamber of air intake, the bottom symmetry of furnace body is provided with the hair-dryer, the air-out end and the intake pipe of hair-dryer are linked together.

As a preferred technical scheme of the utility model, the bottom fixedly connected with of furnace body outer wall bears the frame, bear the middle part and the hair-dryer fixed connection of one side.

The utility model discloses a technological effect and advantage:

1. the utility model utilizes the setting mode of the drying funnel, the drying funnel is fixedly sleeved at the top of the inner wall of the furnace body, and the heat emitted in the combustion chamber dries the raw material on the drying funnel, thereby saving the raw material drying device, improving the energy utilization efficiency and reducing the production cost of manufacturers;

2. the utility model discloses filter equipment's mode of setting, the inside filter screen that is provided with of exhaust duct can purify the combustion gas in the furnace body, avoids causing air pollution, and through the mode of setting of closing plate, and the filter screen is dismantled conveniently, makes things convenient for the change or the washing of filter screen.

Drawings

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

Fig. 2 is a schematic view of the front internal structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic structural diagram of the point B in fig. 2 according to the present invention.

In the figure: 1. a furnace body; 2. a combustion chamber; 3. drying the funnel; 4. a hinge; 5. a door panel; 6. a handle; 7. an exhaust duct; 8. a filtration device; 801. a sealing plate; 802. connecting blocks; 803. a bolt; 804. a filter screen; 9. a material distributing plate; 10. a connecting rod; 11. a gathering hopper; 12. a blower; 13. an air inlet; 14. a discharge port; 15. a carrier.

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.

The utility model provides an energy-saving pellet roasting shaft furnace as shown in figures 1-4, which comprises a furnace body 1, a combustion chamber 2 is fixedly connected at the middle part of the furnace body 1, the inner wall of the combustion chamber 2 is in an annular array and is fixedly connected with a plurality of combustion nozzles, the combustion nozzles can roast falling pellet groups, a drying funnel 3 is fixedly sleeved at the top part of the inner wall of the furnace body 1, a plurality of vent holes are equidistantly arranged on the upper surface of the drying funnel 3, the raw material is dried by the heat emitted from the combustion chamber 2, a feed inlet is arranged at the top part of the furnace body 1, hinges 4 are symmetrically arranged at the top part of the furnace body 1, the door plate 5 is rotatably connected at the top part of the furnace body 1 through the hinges 4, the door plate 5 is closed when the furnace body 1 does not feed, the heat is prevented from being emitted from the feed inlet, the harmful gas is prevented from being emitted to, the handle 6 is convenient for workers to open the door panel 5, the pellet body is fed into the furnace body 1, the middle part of the upper surface of the furnace body 1 is provided with an air outlet, an inner cavity of the air outlet is fixedly sleeved with an exhaust pipeline 7, the middle part of the exhaust pipeline 7 is provided with a filtering device 8, the filtering device 8 comprises a sealing plate 801, a connecting block 802, bolts 803 and a filtering screen 804, the middle part of the front surface of the exhaust pipeline 7 is provided with an opening, the inner cavity of the opening is slidably sleeved with the sealing plate 801, two ends of the sealing plate 801 are both connected with the connecting block 802, two ends of the exhaust pipeline 7 are fixedly connected with the connecting blocks 802 matched with the sealing plate 801, the two connecting blocks 802 are fixedly connected through the bolts 803, a clamping groove is arranged in the inner wall of the exhaust pipeline 7, the inner cavity of the clamping groove is movably clamped with the filtering screen 804, the dust removal effect of the filter device 8 is prevented from being reduced;

preferably, a material distributing plate 9 is arranged in the middle of the inner wall of the furnace body 1, four connecting rods 10 are fixedly connected to the middle of the inner wall of the furnace body 1 in an annular array, one ends of the four connecting rods 10 are fixedly connected with the material distributing plate 9, the material distributing plate 9 can enable raw materials to be closer to the combustion chamber 2, the utilization efficiency of energy roasting raw materials is improved, a material gathering funnel 11 is fixedly connected to the bottom of the inner wall of the furnace body 1, a plurality of ventilation openings are formed in the material gathering funnel 11 at equal intervals, a convenient blower 12 is used for cooling roasted pellets and the like, a discharge opening 14 is formed in the bottom of the inner wall of the furnace body 1, and the inner cavity of the;

preferably, the bottom of the furnace body 1 is symmetrically provided with air inlets 13, an air inlet pipe is fixedly sleeved in an inner cavity of each air inlet 13, blowers 12 are symmetrically arranged at the bottom of the furnace body 1, the blowers 12 introduce external air into the furnace body 1 to cool the roasted pellets, the air outlet ends of the blowers 12 are in transmission connection with the air inlet pipes, the bottom of the outer wall of the furnace body 1 is fixedly connected with a bearing frame 15, and the middle part of one side of the bearing frame 15 is fixedly connected with the blowers 12; the blower 12 is electrically connected to an external power source through an external blower switch.

This practical theory of operation: when the raw materials are baked, firstly, the furnace body 1 is preheated, a combustion nozzle in the combustion chamber 2 is opened to preheat the furnace body 1, after the furnace body 1 is preheated, a switch of a blower is opened, the blower 12 is electrified to work, external gas enters the furnace body 1 from an air inlet pipe, then the gas in the furnace body 1 flows into the outside from an exhaust pipeline 7 through a filter device 8, and toxic gas or dust in the furnace body 1 is filtered by a filter screen 804 in the filter device 8, so that the harmful gas is prevented from being discharged into the air to pollute the environment;

pulling the handle 6 to open the door plate 5, putting the raw materials into the furnace body 1 from the feeding hole, then pushing the handle 6 to close the door plate 5, preventing the gas in the furnace body 1 from being discharged to the outside from the feeding hole, then the raw materials enter the drying funnel 3 to be dried and preheated, then the raw materials drop onto the material distributing plate 9 from the drying funnel 3, then the raw materials are roasted by a combustion nozzle in the combustion chamber 2, the roasted pellets drop onto the material collecting funnel 11, then the pellets are cooled by the gas of the gas inlet pipe, and then the pellets drop to the outside from the discharging hole 14;

when the filtering effect of the filtering device 8 is reduced, the bolt 803 is sent, the sealing plate 801 is taken down, then the filtering net 804 is taken out, the filtering net 804 is replaced or cleaned, the filtering effect of the filtering device 8 is prevented from being reduced, the environment is prevented from being polluted, and then the cleaned filtering net 804 or a new filtering net 804 is installed in the exhaust pipeline 7.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an energy-saving pellet roasting shaft furnace, includes furnace body (1), its characterized in that: the middle part fixedly connected with combustion chamber (2) of furnace body (1), the inner wall of combustion chamber (2) is a plurality of burning nozzle of annular array fixed connection, fixed stoving funnel (3) of having cup jointed in top of furnace body (1) inner wall, the feed inlet has been seted up at the top of furnace body (1), the top symmetry of furnace body (1) is provided with hinge (4), hinge (4) are passed through at the top of furnace body (1) and are rotated and connect door plant (5), the inner chamber of feed inlet and door plant (5) slip and cup joint, one side fixedly connected with handle (6) of door plant (5) upper surface, the venthole has been seted up at the middle part of furnace body (1) upper surface, exhaust duct (7) have been cup jointed to the inner chamber of venthole, the middle part of exhaust duct (7) is provided with filter equipment (8).

2. The energy-saving pellet firing shaft furnace of claim 1, wherein: filter equipment (8) include closing plate (801), connecting block (802), bolt (803) and filter screen (804), the opening has been seted up at the positive middle part of exhaust duct (7), open-ended inner chamber and closing plate (801) slip cup joint, the both ends of closing plate (801) all with connecting block (802), the both ends fixedly connected with and closing plate (801) assorted connecting block (802) of exhaust duct (7), two bolt (803) fixed connection is passed through in connecting block (802), open in exhaust duct (7) inner wall has the draw-in groove, the inner chamber and filter screen (804) activity joint of draw-in groove.

3. The energy-saving pellet firing shaft furnace of claim 1, wherein: the middle part of the inner wall of the furnace body (1) is provided with a material distributing plate (9), the middle part of the inner wall of the furnace body (1) is provided with four connecting rods (10) which are fixedly connected with an annular array, and one ends of the four connecting rods (10) are fixedly connected with the material distributing plate (9).

4. The energy-saving pellet firing shaft furnace of claim 1, wherein: the bottom fixedly connected with of furnace body (1) inner wall gathers material funnel (11), discharge gate (14) have been seted up to the bottom of furnace body (1) inner wall, just the inner chamber of discharge gate (14) communicates with the inner chamber that gathers material funnel (11) each other.

5. The energy-saving pellet firing shaft furnace of claim 1, wherein: the air inlet (13) is symmetrically formed in the bottom of the furnace body (1), an air inlet pipe is fixedly sleeved in an inner cavity of the air inlet (13), the air blowers (12) are symmetrically arranged at the bottom of the furnace body (1), and the air outlet ends of the air blowers (12) are communicated with the air inlet pipe.

6. The energy-saving pellet firing shaft furnace of claim 1, wherein: the bottom of the outer wall of the furnace body (1) is fixedly connected with a bearing frame (15), and the middle of one side of the bearing frame (15) is fixedly connected with the blower (12).