CN210861118U

CN210861118U - Double-layer furnace body incineration device with rotatable open type inner container

Info

Publication number: CN210861118U
Application number: CN201921184814.XU
Authority: CN
Inventors: 周春东; 张锁龙; 王剑春; 顾发虎; 周文兵; 孙克伦; 张锦; 张希望
Original assignee: Huaide College of Changzhou University
Current assignee: Huaide College of Changzhou University
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-26
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to a double-deck furnace body burns device with rotatable open type inner bag, including double-deck furnace body structure, rotary driving mechanism, blast air mechanism, exhaust mechanism and fixed bolster, double-deck furnace body structure includes that rotatable horizontal cylinder shell inner bag and cross-section are oval cylindricality casing, the inner bag sets up to the open type, be convenient for arrange the material, and the spiral boss that sets up on the inner bag inner wall can realize stirring and the function of ventilating, be favorable to waste gas and fresh air in time keep apart, wait to burn thing and waste residue in time to separate, reduce the discharge capacity because of the insufficient production toxic gas of burning, improve material combustion efficiency simultaneously.

Description

Double-layer furnace body incineration device with rotatable open type inner container

Technical Field

The utility model belongs to the technical field of incineration disposal equipment technique and specifically relates to a double-deck furnace body burns device with rotatable open type inner bag is applicable to domestic waste incineration disposal, industrial waste incineration disposal and fuel burning heating etc..

Background

The harmless incineration treatment of domestic garbage and industrial waste, the promotion of incineration efficiency, the means of recycling combustion heat and the like are always research hotspots in the technical field of environmental protection.

As is well known, when the combustion of materials is insufficient, on one hand, the combustion efficiency of the materials is greatly reduced; on the other hand, since the oxygen supply is insufficient, toxic gases such as carbon monoxide are easily generated. The current device that burns ubiquitous insufficient problem of burning, its reason is summarized in the analysis mainly includes: firstly, the total oxygen supply in the incinerator is insufficient. The flow of the air introduced into the furnace is small; secondly, the oxygen distribution in the incinerator is uneven. The blast channels of most incinerators are arranged unevenly, so that oxygen in the incinerator is distributed unevenly; thirdly, accurate feeding is not achieved. When the materials are incinerated, the oxygen consumption at each position in the incinerator is different due to different combustion degrees of the materials at different positions; fourthly, the ash covers the substances to be combusted to prevent the substances to be combusted from contacting with oxygen.

Chinese patent (201721318938.3) discloses a waste incineration mechanism of an industrial waste rotary vertical incinerator. The air inlet is singly arranged above the flame, and oxygen supply according to the combustion degree can not be realized. The cooperation of burning section of thick bamboo and helical blade is rotatory can make the material stir and is turned over, but its stir and turn over range great relatively, easily make the material cover flame at the initial stage of igniting and lead to igniting the failure, simultaneously because accomplish lime-ash and material separation not, the lime-ash can mix in the material when stirring and turning over, can hinder the contact of material and air for the burning is not abundant. The Chinese patent (201310699342.2) and the Chinese patent (201410466211.4) respectively disclose a rotary double-roller incinerator and a rotary vertical garbage incinerator, and the ash and slag are not separated from the substances to be burnt by the arrangement of the designed incineration cylinders/furnaces, so that the problem of insufficient combustion still exists.

To the above problem, the utility model provides a following solution thinking: on one hand, oxygen is supplied according to different combustion degrees and requirements and accurately supplied; on the other hand, the ash and the substances to be burnt are separated in time. The inner container is arranged in an open type, so that the material can be discharged conveniently. And the spiral boss arranged on the inner wall of the inner container can realize stirring and ventilation functions, so that waste gas and fresh air are isolated in time, and substances to be burned and waste residues are separated in time, thereby reducing the discharge of toxic gas generated due to insufficient combustion and improving the material combustion efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a double-deck furnace body burns device with rotatable open type inner bag is favorable to waste gas and fresh air in time keep apart, the thing that waits to burn and waste residue in time separate, reduces because of the insufficient toxic gas discharge capacity that produces of burning, improves material combustion efficiency simultaneously.

The utility model provides a double-deck furnace body incinerator with rotatable open-type inner bag, including furnace body, the fixed bolster of fixed stay furnace body, set up ventilation mechanism and exhaust mechanism and the rotatory rotary driving mechanism of drive furnace body on the furnace body, the furnace body include outer furnace body and the inner bag of arranging in outer furnace body, the inner bag be horizontal cylindric casing, its both ends coaxial coupling respectively have feedstock channel and power shaft, the power shaft other end links to each other with rotary driving mechanism, outer furnace body be that the cross-section is oval cylindric casing, its both ends are connected with the outer wall of feedstock channel and power shaft respectively through the bearing, the feedstock channel port sets up the feeding hatch door, outer furnace body bottom sets up row material, fixed stay support outer furnace body and fixed with ground, ventilation mechanism include the blast air passageway of equipartition bottom the furnace body side outside, the blast air mechanism that links to with the blast air channel, exhaust mechanism including setting up rectangle gas vent and the exhaust duct at outer furnace body top, the rectangle gas vent and the exhaust duct that sets up through-length inner bag top, arrange the slag discharge duct corresponding circumference angle α for 5 ~ 180 in the spiral inner bag, set up spiral through-pass through-hole and spiral through-pass through the spiral through-hole and spiral through-mesh spiral through-hole and spiral through-set up spiral through-mesh spiral boss on the spiral through-hole and spiral through-mesh structure, and spiral through-mesh spiral groove, and spiral through-mesh spiral boss, and spiral discharge-mesh.

Furthermore, the outer furnace body and the ground form an inclination angle of 5-20 degrees.

Furthermore, the distance between the outer wall of the inner container and the inner wall of the outer furnace body in the short axis direction is 5-30 mm, and the distance between the two ends of the inner container and the inner wall of the outer furnace body is 5-30 mm.

Further, the air blowing channels are evenly distributed at the bottoms of two sides of the outer furnace body, the extension lines of the air blowing channels point to the axis of the inner container, the parts, located in the inner container, of the air blowing channels are tubular bosses, metal filter screens are arranged at the openings of the tubular bosses, and the situation that waste residues block the channels is avoided.

Furthermore, the ratio of the long axis to the short axis of the elliptic section of the outer furnace body is 1.4-8.

Furthermore, the helix angle of the spiral lug bosses is-150 degrees, and the helix angle values of two adjacent spiral lug bosses are opposite, so that the left and right stirring is realized during rotation.

Furthermore, the area of the mesh holes of the metal mesh is 5-10000 mm²。

Furthermore, the diameter of the through air hole formed in the spiral boss is 5-100 mm, a through hole is formed in the portion, not provided with the rectangular through hole, of the inner wall of the liner, and the diameter of the through hole is 5-50 mm.

Furthermore, the number n of the combination of the spiral bosses and the rectangular through holes is 4, the total number of the spiral bosses is 6 which are uniformly distributed on the circumference, and the rectangular through holes are distributed on two sides of the slag discharge channel respectively by 2.

Furthermore, the rotary driving mechanism adopts a driving mechanism with a speed regulating function, the inner container can stably run at the rotating speed of 0.2-50 r/min and can be divided into three stages of low speed, medium speed and high speed, the air blowing mechanism 4 adopts an air blowing mechanism with a gas flow speed regulating function, and the adjustable range of the air blowing mechanism is 500-100000 m³And/h, the speed regulation function can be divided into a low speed, a medium speed and a high speed three-gear speed regulation function.

The utility model discloses a double-deck furnace body burns device with rotatable open type inner bag, its beneficial effect is:

1. the interior of the furnace body is divided into three spaces, namely a slag storage cavity, a combustion cavity and a waste gas cavity, so that the waste gas and fresh air are isolated in time, and the substances to be combusted and waste slag are separated in time;

2. the spiral lug boss is arranged in the inner container, so that the materials can be stirred up and down, left and right during rotation, and waste residues and substances to be combusted can be separated in time;

3. the spiral boss on the inner container is provided with a through hole, and the spiral boss is inserted into the material to be combusted for ventilation, so that the problem that the gas is difficult to permeate through a thick layer of the material to be combusted, so that the gas is not fully combusted to generate toxic gas is solved;

4. the part of the side surface of the liner, which is provided with the rectangular metal net, and the part provided with the spiral bosses are alternately distributed, and the spiral angle values of the spiral bosses at two adjacent positions are opposite, so that the left and right stirring is favorably realized during rotation, the combustible substance and the waste residue are favorably separated in time, and the combustible substance is prevented from being accumulated on one side;

5. the inner container is arranged in an open type, so that the material can be discharged conveniently.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a longitudinal sectional view of the present invention;

FIG. 3 is a schematic view of the overall structure of the inner container;

FIG. 4 is a transverse cross-sectional view of the inner bladder;

FIG. 5 is a schematic view showing the inner wall of the inner container;

in the figure: 1. the furnace comprises a furnace body, an exhaust mechanism, a rotary driving mechanism, a blowing mechanism, a fixed support, a feeding cabin door, a feeding channel, a rectangular through hole, a slag discharge channel, a metal net, a through air hole, a spiral boss, an exhaust pipeline, an exhaust port, a through hole, a power shaft, an outer furnace body, an inner container, an air blowing channel, a blowing cabin door and a blowing cabin door, wherein the furnace body comprises a furnace body, 2, an exhaust mechanism, 3, a rotary driving mechanism, 4, an air blowing mechanism, 5, a fixed support, 6, a feeding cabin door, 7, a.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in figures 1-5, a double-layer furnace body incinerator with a rotatable open-type inner container comprises a furnace body 1, a fixed bracket 5 for fixedly supporting the furnace body 1, an air vent mechanism and an air exhaust mechanism 2 arranged on the furnace body 1, and a rotary driving mechanism 3 for driving the furnace body 1 to rotate, wherein the furnace body 1 comprises an outer furnace body 17 and an inner container 18 arranged in the outer furnace body 17, the inner container 18 is a horizontal cylindrical shell, two ends of the inner container are respectively and coaxially connected with a feeding channel 7 and a power shaft 16, the other end of the power shaft 16 is connected with the rotary driving mechanism 3, the outer furnace body 17 forms an inclined angle of 5-20 degrees with the ground and is a cylindrical shell with an oval cross section, the ratio of the major axis to the minor axis of the oval cross section is 1.4-8, two ends of the inner container are respectively connected with the outer walls of the feeding channel 7 and the power shaft 16 through bearings, a feeding cabin door 6 is, the outer wall of inner bag 18 and the minor axis direction inner wall interval of the oval-shaped cross section of outer furnace body 17 are 5 ~ 30mm, inner bag 18 both ends and outer furnace body 17 both ends inner wall interval are 5 ~ 30mm, fixed bolster 5 supports outer furnace body 17 and is fixed with ground, ventilation mechanism includes the blast air passageway 19 of equipartition in outer furnace body 17 side bottom, blast air mechanism 4 that links to each other with blast air passageway 19, blast air passageway 19 evenly arranges in outer furnace body 17 both sides bottom, the directional axis of inner bag 18 of blast air passageway 19's extension line, the part that blast air passageway 19 is located inner bag 18 is the pipeThe shape boss, tubulose boss mouth department sets up metal mesh, avoid the waste residue to block up the passageway, exhaust mechanism 2 is including setting up gas vent 14 and exhaust duct 13 at outer furnace body 17 top, sediment passageway 9 of leading to long is seted up at inner bag 18 top, circumference angle α that sediment passageway 9 corresponds is 5 ~ 180, inner bag 18 inner wall is located sediment passageway 9 both sides axial symmetry and sets up spiral boss 12 and rectangular through-hole 8, rectangular through-hole 8 and spiral boss 12 looks interval arrangement, 4 are got for n to the combination number between them, the total number of spiral boss 12 is 6, the quantity of rectangular through-hole 8 is 4, the spiral lead angle of spiral boss 12 is-150 ~ 150, and the spiral lead angle value of two adjacent spiral bosses 12 is opposite, it stirs to be favorable to realize turning over about when rotatory, set up on the spiral boss 12 and run through air vent 11, the diameter is 5 ~ 100mm to run through air vent 11, the straight part that corresponds with sediment passageway 9 in inner bag 18 does not set up rectangular through-hole, the part that does not set up rectangular through-hole 15 that the diameter is 5 ~ 50mm, set up on the rectangular through-hole 8, set up metal mesh 10²。

The rotary driving mechanism 3 adopts a driving mechanism with a speed regulating function, can enable the inner container to stably run at a rotating speed of 0.2-50 r/min, and can be divided into three stages of low speed, medium speed and high speed; the blower mechanism 4 is a blower mechanism with a gas flow velocity adjusting function, and the adjustable range of the blower mechanism is 500-100000 m³And/h, the speed regulation function can be divided into a low speed, a medium speed and a high speed three-gear speed regulation function.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The double-layer furnace body incineration device is characterized by comprising a furnace body (1), a fixed support (5) for fixedly supporting the furnace body (1), an aeration mechanism and an exhaust mechanism (2) which are arranged on the furnace body (1), and a rotary driving mechanism (3) for driving the furnace body (1) to rotate, wherein the furnace body (1) comprises an outer furnace body (17) and an inner container (18) arranged in the outer furnace body (17), the inner container (18) is a horizontal cylindrical shell, two ends of the inner container are respectively and coaxially connected with a feeding channel (7) and a power shaft (16), the other end of the power shaft (16) is connected with the rotary driving mechanism (3), the outer furnace body (17) is a cylindrical shell with an oval cross section, two ends of the outer furnace body are respectively connected with the outer walls of the feeding channel (7) and the power shaft (16) through bearings, the port of the feeding channel (7) is provided with a feeding cabin door (6), the bottom of the outer furnace body (17) is provided with a discharging cabin door (20), the bottom of the rectangular cabin door (17) is provided with a discharging cabin door, the fixed support (5) and fixed with the outer furnace body, the discharging mechanism, the discharging cabin door is provided with a blowing channel (17), the inner container (10) and a discharging channel (9) which is provided with a discharging channel, the discharging channel (18) which is provided with a discharging channel, the discharging channel (10) and a discharging channel, the discharging channel (10) which is arranged on the inner container, the inner container (18) and a discharging channel which is arranged on the inner container, the discharging channel (10) and a discharging channel which is symmetrically arranged on the inner container, the discharging channel (18), the discharging channel (10) and a discharging channel which is arranged on the discharging channel, the discharging channel (10) and a discharging channel which is arranged on the discharging.

2. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the outer furnace body (17) and the ground form an inclination angle of 5-20 degrees.

3. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the outer wall of the inner container (18) and the inner wall of the outer furnace body (17) in the short axis direction of the elliptic section are 5-30 mm in distance, and the distance between the two ends of the inner container (18) and the inner wall of the outer furnace body (17) is 5-30 mm.

4. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the air blowing channels (19) are uniformly distributed at the bottoms of two sides of the outer furnace body (17), the extension lines of the air blowing channels (19) point to the axis of the inner container (18), the parts of the air blowing channels (19) in the inner container (18) are tubular bosses, and metal filter screens are arranged at the openings of the tubular bosses.

5. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the ratio of the long axis to the short axis of the elliptic section of the outer furnace body (17) is 1.4-8.

6. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the helix angle of the spiral lug boss (12) is-150 degrees, and the helix angle values of two adjacent spiral lug bosses (12) are opposite.

7. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the mesh hole area of the metal mesh (10) is 5-10000 mm²。

8. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the diameter of the through air hole (11) formed in the spiral boss (12) is 5-100 mm, and the part of the inner wall of the inner container (18) which is not provided with the rectangular through hole is provided with a through hole (15) with the diameter of 5-50 mm.

9. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the combined number n of the spiral bosses (12) and the rectangular through holes (8) is 4, the total number of the spiral bosses (12) is 6, the circumference of the spiral bosses is uniformly distributed, and the rectangular through holes (8) are distributed on 2 sides of the slag discharge channel (9).

10. The double-layered furnace body incineration device with the rotatable open-type inner container according to claim 1, characterized in that: the rotary driving mechanism (3) and the blowing mechanism (4) are all mechanisms with low-speed, medium-speed and high-speed three-gear speed regulation functions.