CN214332712U

CN214332712U - Return type heat energy utilization type combined garbage pyrolysis treatment furnace

Info

Publication number: CN214332712U
Application number: CN202022591233.7U
Authority: CN
Inventors: 戴志坤
Original assignee: Shanghai Gongqitong Energy Technology Co ltd
Current assignee: Shanghai Gongqitong Energy Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-10-01
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a return type heat energy utilization combined garbage pyrolytic processing furnace, which comprises a furnace body, a guide rail, a sealing device, a fan, a heat exchange device, a controller, a connecting pipe and an exhaust pipe, wherein the guide rail is arranged at the upper part and the lower part of the front end of the outer wall of the furnace body, the sealing device is matched in the guide rail in a sliding way, the fan is connected at the center of the top end of the furnace body by a bolt, the heat exchange device is embedded and fixed at the right side of the furnace body, the controller is embedded and connected at the center of the lower part of the front end of the heat exchange device, the connecting pipe is embedded and connected at the right side of the heat exchange device, and the exhaust pipe is embedded and connected inside the center of the top end of the heat exchange device, the utility model pushes a sealing plate movably matched by a positioning column by a hydraulic press, so that the cover plate and the sealing strip of the sealing plate can highly seal the garbage pouring port of the furnace body under the buffer action of a cushion block on the connecting plate, thereby enhancing the controllable degree of the oxygen content in the furnace body and preventing combustible gas from deflagration, the safety of the pyrolysis garbage treatment furnace is improved.

Description

Return type heat energy utilization type combined garbage pyrolysis treatment furnace

Technical Field

The utility model relates to a rubbish pyrolysis gasification field, specific return formula heat utilization type combination formula rubbish pyrolytic processing stove.

Background

With the development of the technology, the garbage pyrolysis gasification treatment becomes the main choice of household garbage treatment, and while the return type heat energy utilization type combined garbage pyrolysis treatment furnace utilizes the heat energy generated in the garbage pyrolysis process to purify the subsequent flue gas, the excess heat energy can be transferred or stored after being replaced by water flow in the heat exchange equipment;

however, the combined type garbage pyrolysis treatment furnace in the prior art can generate more combustible gas or powdery combustible solid when the garbage is pyrolyzed, and as a large amount of air needs to be injected into the pyrolysis garbage and the sealing degree of the garbage pouring opening is low, the air is dissipated and the oxygen content in the furnace cannot be controlled, so that the combustible gas in the furnace body reaches the explosion limit and is detonated to cause the damage of workers, and the safety of the pyrolysis treatment furnace is reduced; when high-temperature gas generated by garbage pyrolysis enters the heat exchange bin through the heat exchange tube, the tube body generates a thermal expansion phenomenon, so that the heat exchange tube extrudes the joint of the heat exchange bin, the original tube body is restored by reducing the temperature when the pyrolysis is stopped and no gas enters, and finally, the metal at the joint is fatigue and is loosened and broken, so that the reliability of the garbage pyrolysis treatment furnace is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a return formula heat utilization type combination formula rubbish pyrolytic processing stove.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a return type heat energy utilization type combined garbage pyrolysis treatment furnace structurally comprises a furnace body, a guide rail, a sealing device, a fan, a heat exchange device, a controller, a connecting pipe and an exhaust pipe, wherein the guide rail is arranged at the upper part and the lower part of the front end of the outer wall of the furnace body; the sealing device is composed of a bottom plate, guide blocks, a hydraulic press, a positioning column and a sealing plate, wherein the guide blocks are welded at two ends of the side edge of the top end of the bottom plate, the hydraulic press is embedded in the center of the top end of the bottom plate, the positioning column is embedded and connected to the periphery of the center of the top end of the bottom plate, and the sealing plate is movably connected to the top end of the positioning column.

Furthermore, the heat exchange device comprises a shell, a supporting block, a heat exchange bin, a connecting device and a heat exchange tube, wherein the supporting block is embedded in the center of the bottom end of the inner wall of the shell, the heat exchange bin is welded in the center of the top end of the supporting block, the connecting device is in transition fit with the bottom end of the right side of the heat exchange bin, and the bottom end of the right side of the heat exchange tube is embedded and connected into the connecting device.

Furthermore, the sealing plate is composed of a connecting plate, a cushion block, a cover plate and a sealing strip, the cushion block is embedded in the top end of the connecting plate, the cover plate is welded to the top end of the cushion block, and the sealing strip is embedded and connected to the periphery of the outer wall of the cover plate.

Furthermore, the connecting device comprises an inner ring, an outer ring, a connecting block and an air valve, wherein the inner ring is connected to the lower end of the outer ring in a threaded manner, the connecting block is connected to the center of the inner wall of the outer ring in an embedded manner, and the air valve is connected to the rear side of the top end of the connecting block in a flange manner.

Furthermore, cold water is injected into the connecting pipe from the upper part, the buoyancy of hot water is larger than that of cold water, the water flow heat exchange time can be prolonged by injecting hot water from the upper part, and the water flow heat exchange quantity is larger than that of a mode of injecting cold water from the lower part when the flow rates are the same.

Further, the guide block is slidably fitted inside the guide rail.

Further, the exhaust pipe has a gas purification function.

Furthermore, the top end of the heat exchange tube is connected with a flange of an exhaust tube, gas inside the heat exchange tube is purified and discharged through the exhaust tube, the right side of the bottom end of the heat exchange tube is communicated with the furnace body, and hot gas inside the heat exchange tube is accessed from the right side of the bottom end and the communicated part of the furnace body.

Furthermore, the sealing strip is of an annular strip structure with an outer edge sunken to an inner circular arc, the sealing strip is a polytetrafluoroethylene elastic ring, and the polytetrafluoroethylene elastic ring of the structure has the characteristic of high temperature resistance and strong sealing.

Furthermore, the connecting blocks are hollow and communicated circular cylindrical structures, and the connecting blocks can be tightly attached to the outer wall of the heat exchange tube through gas expansion of the gas valves.

Advantageous effects

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a hydraulic press promotes by reference column clearance fit's closing plate, makes the apron of closing plate and the cushioning effect of the cushion of sealing strip on the connecting plate down pour the rubbish of furnace body into mouthful highly sealed, and the controllable degree of oxygen content in the reinforcing stove prevents that the inside combustible gas of furnace body from taking place the deflagration, promotes pyrolysis refuse treatment stove security.

2. The utility model discloses a fill into gas to connecting block inside by the pneumatic valve, transition fit when making its outer loop inner wall of closely laminating on the outer wall of heat exchange tube bottom, but owing to fill of the inside gas of connecting block makes it have the motivity, avoid the heat exchange tube expend with heat and contract with cold and cause the not hard up fracture after the junction metal is tired, promote the reliability of rubbish pyrolytic processing stove.

Drawings

Fig. 1 is a schematic structural view of a return type heat energy utilization combined garbage pyrolysis treatment furnace of the present invention.

Fig. 2 is a schematic structural diagram of the sealing device of the present invention.

Fig. 3 is a schematic structural diagram of the sealing plate of the present invention.

Fig. 4 is a schematic structural diagram of the heat exchange device of the present invention.

Fig. 5 is a schematic structural diagram of the connecting device of the present invention.

In the figure: the device comprises a furnace body-1, a guide rail-2, a sealing device-3, a fan-4, a heat exchange device-5, a controller-6, a connecting pipe-7, an exhaust pipe-8, a bottom plate-31, a guide block-32, a hydraulic press-33, a positioning column-34, a sealing plate-35, a connecting plate-351, a cushion block-352, a cover plate-353, a sealing strip-354, a shell-51, a supporting block-52, a heat exchange bin-53, a connecting device-54, a heat exchange pipe-55, an inner ring-541, an outer ring-542, a connecting block-543 and an air valve-544.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments, not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

As shown in fig. 1-5, the utility model provides a return type heat energy utilization combined garbage pyrolysis treatment furnace, the structure of which comprises a furnace body 1, a guide rail 2, a sealing device 3, a fan 4, a heat exchange device 5, a controller 6, a connecting pipe 7 and an exhaust pipe 8, wherein the guide rail 2 is arranged at the upper part and the lower part of the front end of the outer wall of the furnace body 1, the sealing device 3 is in sliding fit in the guide rail 2, the fan 4 is in bolted connection at the center of the top end of the furnace body 1, the heat exchange device 5 is embedded and fixed at the right side of the furnace body 1, the controller 6 is embedded and fixed at the center below the front end of the heat exchange device 5, the connecting pipe 7 is embedded and connected at the right side of the heat exchange device 5, and the exhaust pipe 8 is embedded and fixed and connected inside the center of the top end of the heat exchange device 5; the sealing device 3 is composed of a bottom plate 31, a guide block 32, a hydraulic press 33, a positioning column 34 and a sealing plate 35, the guide block 32 is welded at two ends of the top side edge of the bottom plate 31, the hydraulic press 33 is embedded in the center of the top end of the bottom plate 31, the positioning column 34 is embedded and connected at the periphery of the center of the top end of the bottom plate 31, the sealing plate 35 is movably connected at the top end of the positioning column 34, the heat exchange device 5 comprises a shell 51, a supporting block 52, a heat exchange chamber 53, a connecting device 54 and a heat exchange pipe 55, the supporting block 52 is embedded in the center of the bottom end of the inner wall of the shell 51, the heat exchange chamber 53 is welded at the center of the top end of the supporting block 52, the connecting device 54 is in transition fit at the bottom end of the right side of the heat exchange chamber 53, the bottom end of the right side of the heat exchange pipe 55 is embedded and connected in the connecting device 54, the sealing plate 35 is composed of a connecting plate 351, a cushion block 352, a cover plate 353 and a sealing strip 354, the top end of the connecting plate 351, the cover plate 353 is welded at the top end of the cushion block 352, the sealing strip 354 is embedded and connected around the outer wall of the cover plate 353, the connecting device 54 comprises an inner ring 541, an outer ring 542, a connecting block 543 and an air valve 544, the inner ring 541 is in threaded connection with the lower end of the outer ring 542, the connecting block 543 is embedded and connected with the center of the inner wall of the outer ring 542, the air valve 544 is in flange connection with the rear side of the top end of the connecting block 543, cold water is injected from the upper side into the connecting pipe 7, the buoyancy of hot water is larger than that of cold water, the water flow heat exchange time can be increased by injecting water from the upper side, the water flow heat exchange quantity is larger than that of cold water injected from the lower side at the same flow rate, the guide block 32 is in sliding fit with the inside of the guide rail 2, the exhaust pipe 8 has a purification function on gas, the top end of the heat exchange pipe 55 is in flange connection with the exhaust pipe 8, the gas in the heat exchange pipe 55 is purified and discharged through the exhaust pipe 8, and the right side of the bottom end of the heat exchange pipe 55 is communicated with the furnace body 1, inside steam of heat exchange tube 55 is inserted by bottom right side and 1 intercommunication department of furnace body, sealing strip 354 is the sunken annular stripe structure of the inside circular arc of outer fringe, sealing strip 354 is polytetrafluoroethylene elastic ring, and the polytetrafluoroethylene elastic ring of this structure has the strong characteristics of high temperature resistant sealing, connecting block 543 is the hollow and ring column structure who communicates each other in inside, connecting block 543 accessible pneumatic valve 544 fills the laminating heat exchange tube 55 outer wall that gas expansion and more compact.

The working principle of the present invention is explained as follows: the device controls the guide rail 2 to operate through the controller 6, so that the guide block 32 at the top end of the sealing device 3 in sliding fit with the guide rail 2 moves to open the garbage pouring inlet of the furnace body 1, garbage is poured into the furnace body, the guide rail 2 makes the guide block 32 move reversely to close the garbage pouring inlet of the furnace body 1, then the hydraulic press 33 embedded in the center of the bottom plate 31 of the sealing device 3 pushes the sealing plate 35 movably matched with the top end of the positioning column 34 to seal the furnace mouth, the sealing plate 35 is slightly pushed into the furnace by the pushing of the hydraulic press 33, the sealing strip 354 is tightly attached to the edge of the furnace mouth, then the connecting plate 351 is slightly pushed to the cushion 352 to be slightly compressed and completely seal the edge of the furnace mouth, the garbage is pyrolyzed and gasified in the furnace body 1, the fan 4 blows air into the furnace body 1 during the garbage pyrolysis and gasification, so that the oxygen content in the furnace body 1 is increased, the pyrolysis and gasification speed of the garbage is accelerated, and high-temperature gas generated by the garbage pyrolysis and gasification enters the heat exchange tube 55 communicated with the furnace body 1 to the inside of the device 5 When high-temperature gas flows through the heat exchange tube 55, heat is exchanged through the water flowing in from the upper end connecting tube 7 in the heat exchange bin 53 outside the heat exchange tube 55, and the water flows flow out from the lower end connecting tube 7 after being taken away, when the high-temperature gas flows into the heat exchange tube 55, high temperature leads to tube body expansion, particularly, the connection position is located at the cold and hot alternative position, at the moment, the inner wall of the connecting block 543 of the connecting device 54 is attached to the outer wall of the heat exchange tube 55, the outer wall of the connecting block 543 is attached to the inner wall of the outer ring 542, the outer ring 542 is connected with the inner ring 541 in a threaded mode, a matching body formed by the outer ring 542 and the inner ring 541 is welded to the connection position, the connecting block 543 with high-pressure gas filled in an inner cavity is extruded during tube body expansion, and due to the fact that the connecting block 543 has certain elasticity, connection between the matching body formed by the outer ring 542 and the inner ring 541 and the heat exchange bin 53 cannot be affected by tube body expansion.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a return formula heat utilization type combination formula rubbish pyrolytic processing stove, its structure includes furnace body (1), guide rail (2), sealing device (3), fan (4), heat transfer device (5), controller (6), connecting pipe (7), blast pipe (8), its characterized in that: the guide rail (2) is arranged at the upper part and the lower part of the front end of the outer wall of the furnace body (1), the sealing device (3) is in sliding fit in the guide rail (2), the fan (4) is in bolted connection with the center of the top end of the furnace body (1), the heat exchange device (5) is fixedly embedded at the right side of the furnace body (1), the controller (6) is embedded at the center of the lower part of the front end of the heat exchange device (5), the connecting pipe (7) is embedded and connected with the right side of the heat exchange device (5), and the exhaust pipe (8) is fixedly connected inside the center of the top end of the heat exchange device (5);

the sealing device (3) is composed of a bottom plate (31), guide blocks (32), a hydraulic press (33), a positioning column (34) and a sealing plate (35), the guide blocks (32) are welded at two ends of the side edge of the top end of the bottom plate (31), the hydraulic press (33) is embedded in the center of the top end of the bottom plate (31), the positioning column (34) is embedded and connected at the periphery of the center of the top end of the bottom plate (31), and the sealing plate (35) is movably connected at the top end of the positioning column (34).

2. The combined type garbage pyrolytic processing furnace of claim 1, wherein: the heat exchange device (5) comprises an outer shell (51), a supporting block (52), a heat exchange bin (53), a connecting device (54) and a heat exchange tube (55), wherein the supporting block (52) is embedded in the center of the bottom end of the inner wall of the outer shell (51), the heat exchange bin (53) is welded in the center of the top end of the supporting block (52), the connecting device (54) is in transition fit with the bottom end of the right side of the heat exchange bin (53), and the bottom end of the right side of the heat exchange tube (55) is embedded and connected into the connecting device (54).

3. The combined type garbage pyrolytic processing furnace of claim 1, wherein: the sealing plate (35) is composed of a connecting plate (351), a cushion block (352), a cover plate (353) and a sealing strip (354), the cushion block (352) is embedded in the top end of the connecting plate (351), the cover plate (353) is welded to the top end of the cushion block (352), and the sealing strip (354) is embedded and connected to the periphery of the outer wall of the cover plate (353).

4. The combined type garbage pyrolytic processing furnace of claim 2, wherein: the connecting device (54) comprises an inner ring (541), an outer ring (542), a connecting block (543) and an air valve (544), the inner ring (541) is in threaded connection with the lower end of the outer ring (542), the connecting block (543) is connected to the center of the inner wall of the outer ring (542) in an embedded mode, and the air valve (544) is connected to the rear side of the top end of the connecting block (543) in a flange mode.

5. The combined type garbage pyrolytic processing furnace of claim 1, wherein: the connecting pipe (7) is filled with cold water from the upper part, and the guide block (32) is in sliding fit with the inner part of the guide rail (2).

6. The combined type garbage pyrolytic processing furnace of claim 2, wherein: the top end of the heat exchange tube (55) is connected with the exhaust tube (8) through a flange, and the right side of the bottom end of the heat exchange tube (55) is communicated with the furnace body (1).

7. The combined type garbage pyrolytic processing furnace of claim 3, wherein: the sealing strip (354) is of an annular strip-shaped structure with an outer edge sunken towards an inner arc.

8. The combined type garbage pyrolytic processing furnace of claim 4, wherein: the connecting block (543) is a hollow circular ring column structure which is communicated with each other.