CN213739289U

CN213739289U - Biomass pyrolysis furnace

Info

Publication number: CN213739289U
Application number: CN202021453719.8U
Authority: CN
Inventors: 杜占军
Original assignee: Ningxia Jierun Biotechnology Co ltd
Current assignee: Ningxia Jierun Biotechnology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-07-20
Anticipated expiration: 2030-07-22

Abstract

The utility model provides a biomass pyrolysis furnace, include: the furnace comprises an ultra-long furnace body formed by butting a first furnace body and a second furnace body, a driving mechanism for driving the ultra-long furnace body to rotate, a heating device arranged below the furnace body, and rolling supporting devices respectively supported at two ends of the first furnace body and the second furnace body; the both ends of overlength furnace body are equipped with the solid fixed ring of first solid fixed ring and second respectively, and the solid fixed ring of first solid fixed ring and second is erect a plurality of agitating unit that are used for stirring the interior material of furnace body between, overcome ordinary pyrolysis oven when the raw materials pyrolysis, can't carry out the defect of appropriate stirring to the material.

Description

Biomass pyrolysis furnace

Technical Field

The utility model relates to a pyrolysis oven especially relates to a living beings pyrolysis oven.

Background

At present, the solid waste is mainly treated by burning, burying, biological treatment and the like. The disadvantages of the incineration process are, on the one hand, the high cost and, on the other hand, the secondary pollution caused by the fly ash that is produced therewith. China is in a stage of rapidly improving the urbanization rate, urban land is already a scarce resource, large-area land is needed for landfill, and the problem of secondary pollution after landfill is very serious.

The pyrolysis technology is a solid useless processing technology of novel environmental protection, and among the prior art, when the heating was made to the pyrolysis furnace, through rotatory furnace body self, made the material roll in the furnace body, guaranteed that the material heating is even, but among the actual conditions, because the pyrolysis furnace inner wall is smooth, and slew velocity is slower, drives the effect that inside material rolled, stirred through rotating self and is not ideal for some materials are not by abundant pyrolysis, cause the waste.

SUMMERY OF THE UTILITY MODEL

The utility model provides a biomass pyrolysis furnace for solving the problems existing in the prior art.

This pyrolysis oven includes: the furnace comprises an ultra-long furnace body formed by butting a first furnace body and a second furnace body, a driving mechanism for driving the ultra-long furnace body to rotate, a heating device arranged below the furnace body, and rolling supporting devices respectively supported at two ends of the first furnace body and the second furnace body; the both ends of overlength furnace body are equipped with first solid fixed ring and the solid fixed ring of second respectively, erect a plurality of agitating unit that are used for stirring the interior material of furnace body between first solid fixed ring and the solid fixed ring of second.

Furthermore, the first fixing ring is connected with the furnace cover through a dynamic sealing device, and the second fixing ring is connected with the exhaust end of the second furnace body through a dynamic sealing device.

Further, the stirring device includes: the first anti-rotation ring is connected with the first fixed ring through a key groove, the second anti-rotation ring is connected with the second fixed ring through a key groove, and the first anti-rotation ring and the second anti-rotation ring are connected through a fixed supporting shaft located on the rotation center of the furnace body.

Further, a stirring rod is arranged at intervals of 500mm to 900mm in the length direction of the fixed supporting shaft.

Furthermore, the position of the stirring rod arranged on the fixed support shaft is processed with an anti-rotation flat, the stirring rod is fixedly arranged on the anti-rotation flat through a screw, the stirring rod is guaranteed to be vertically downward, the stirring rod is always kept in a vertically downward state when the furnace body rotates, and materials are stirred to the maximum extent.

Furthermore, a stirring plate with the width of 200mm to 300mm is welded to the lower end of the stirring rod, and the gap between the stirring plate and the inner wall of the furnace body is 30mm to 50mm, so that the stirring plate is prevented from interfering with the inside of the furnace body when the furnace body rotates.

Furthermore, a plurality of vent holes are formed in the second anti-rotation ring, so that gas generated in pyrolysis can smoothly flow out from the exhaust end.

The technical effects of the utility model reside in that: on prior art's basis, connect first solid fixed ring through moving sealing device outside the bell, the exhaust end at the second furnace body is through moving sealing device connection second solid fixed ring, set up the agitating unit who is used for stirring the material between first solid fixed ring and the second solid fixed ring, because the furnace body can take place to rotate when heating, material in the furnace body also can roll thereupon, under the more condition of material in the furnace body, fixed setting's the puddler that supports epaxial is deep to pile up in the material of furnace body, when the material takes place to roll, the stirring board of puddler bottom can make the intrinsic motion state of material change that rolls, make more materials in the furnace body obtain the intensive heating, and the pyrolysis is the active carbon. The stirring device can improve the heating efficiency of the pyrolysis furnace and promote the raw materials in the furnace body to be converted into the active carbon.

Drawings

FIG. 1 is a sectional view of a biomass furnace according to the present invention;

FIG. 2 is a cross-sectional view of a first anti-rotation ring of the present invention;

FIG. 3 is a cross-sectional view of a second anti-rotation ring of the present invention;

FIG. 4 is a partial enlarged view of the stirring rod of the present invention mounted on the supporting shaft;

fig. 5 is an axonometric view of the stirring rod of the present invention.

In the figure, 1, a super-long furnace body, 2, a driving mechanism, 3, a heating device, 4, a rolling supporting device, 11, a first furnace body, 12, a second furnace body, 13, a furnace cover, 14, a movable sealing device, 15, a first fixing ring, 16, a second fixing ring, 17, an exhaust end, 50, a stirring device, 51, a fixed supporting shaft, 52, a stirring rod, 53, a first anti-rotation ring, 54, a second anti-rotation ring, 55, a key groove, 56, a vent hole, 511, an anti-rotation flat, 521, a stirring plate,

Detailed Description

The following describes embodiments of the present invention with reference to fig. 1 to 5.

Fig. 1 illustrates an internal structure of a biological pyrolysis furnace on which a stirring device is installed, including: the furnace comprises an overlength furnace body 1 formed by butt joint of a first furnace body 11 and a second furnace body 12, a driving mechanism 2 used for driving the overlength furnace body 1 to rotate, a heating device 3 arranged below the furnace body, and rolling supporting devices 4 respectively supported at two ends of the first furnace body 11 and the second furnace body 12, wherein a first fixing ring 15 and a second fixing ring 16 are respectively arranged at two ends of the overlength furnace body 1, and a plurality of stirring devices 50 used for stirring materials in the furnace body are erected between the first fixing ring 15 and the second fixing ring 16; the first fixing ring 15 is connected with the furnace cover 13 through a dynamic sealing device 14, and the second fixing ring 16 is connected with the exhaust end 17 of the second furnace body 12 through a dynamic sealing device.

Fig. 2 and 3 illustrate a connection manner of the fixing rings and the rotation preventing rings at two ends of the furnace body, and the stirring device 50 includes: the first anti-rotation ring 53 connected with the first fixing ring 15 through a key groove 55 and the second anti-rotation ring 54 connected with the second fixing ring 16 through the key groove 55, wherein the first anti-rotation ring 53 and the second anti-rotation ring 54 are connected through a fixed support shaft 51 positioned on the rotation center of the furnace body, a stirring rod 52 is arranged on the fixed support shaft 51 at intervals of 500mm to 900mm in the length direction, and a plurality of vent holes 56 are further arranged on the second anti-rotation ring 54.

Fig. 4 illustrates the fixing manner of the stirring rod, the anti-rotation flat 511 is processed at the position where the stirring rod 52 is installed on the fixed support shaft 51, and the stirring rod 52 is fixedly installed on the anti-rotation flat 511 through a screw, so as to ensure that the stirring rod 52 is vertically downward.

Fig. 5 illustrates the structure of the stirring rod, a stirring plate 521 with a width of 200mm to 300mm is welded at the lower end of the stirring rod 52, and the gap between the stirring plate 521 and the inner wall of the furnace body is 30mm to 50 mm.

The working principle is as follows: the two sides of the ultra-long furnace body 1 are connected with a first fixed ring 15 and a second fixed ring 16 which are fixed through a movable sealing device 14, the first fixed ring 15 and the second fixed ring 16 are respectively fixedly provided with a first anti-rotation ring 53 and a second anti-rotation ring 54, the anti-rotation rings are connected with the fixed rings through key slots 55, a fixed support shaft 51 is arranged between the first anti-rotation ring 53 and the second anti-rotation ring 54, anti-rotation flat plates 511 are processed on the fixed support shaft 51 every 500mm to 900mm, a stirring rod 52 is vertically and downwards fixed at the position of the anti-rotation flat plates 511 through screws, and a stirring plate 521 with the width of 200mm to 300mm is welded at the bottom of the stirring rod 52.

The second anti-rotation ring 54 is further provided with a vent hole 56, so that gas generated during pyrolysis of the material can be smoothly discharged from the exhaust end.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A biomass pyrolysis furnace comprising: the furnace comprises an ultra-long furnace body (1) formed by butt joint of a first furnace body (11) and a second furnace body (12), a driving mechanism (2) for driving the ultra-long furnace body (1) to rotate, a heating device (3) arranged below the furnace body, and rolling supporting devices (4) respectively supported at two ends of the first furnace body (11) and the second furnace body (12);

the method is characterized in that: the two ends of the overlength furnace body (1) are respectively provided with a first fixing ring (15) and a second fixing ring (16), and a plurality of stirring devices (50) used for stirring materials in the furnace body are erected between the first fixing ring (15) and the second fixing ring (16).

2. The biomass pyrolysis furnace according to claim 1, characterized in that the first fixing ring (15) is connected with the furnace cover (13) through a dynamic sealing device (14), and the second fixing ring (16) is connected with the exhaust end (17) of the second furnace body (12) through a dynamic sealing device.

3. The biomass pyrolysis furnace of claim 1, wherein the stirring device (50) comprises: the furnace body rotation preventing device comprises a first rotation preventing ring (53) connected with the first fixing ring (15) through a key groove (55), and a second rotation preventing ring (54) connected with the second fixing ring (16) through the key groove (55), wherein the first rotation preventing ring (53) is connected with the second rotation preventing ring (54) through a fixing support shaft (51) located on the furnace body rotation center.

4. The biomass pyrolysis furnace according to claim 3, wherein one stirring rod (52) is arranged at intervals of 500mm to 900mm in the length direction of the fixed support shaft (51).

5. The biomass pyrolysis furnace according to claim 4, wherein the position of the fixed support shaft (51) where the stirring rod (52) is installed is provided with an anti-rotation flat (511), and the stirring rod (52) is fixedly installed on the anti-rotation flat (511) through a screw, so that the stirring rod (52) is ensured to be vertically downward.

6. The biomass pyrolysis furnace according to any one of claims 4 or 5, wherein a stirring plate (521) with a width of 200mm to 300mm is welded to the lower end of the stirring rod (52), and a gap between the stirring plate (521) and the inner wall of the furnace body is 30mm to 50 mm.

7. The biomass pyrolysis furnace of claim 3, wherein the second anti-rotation ring (54) is further provided with a plurality of vent holes (56).