CN115597380A - A furnace roof structure - Google Patents

Abstract

The invention discloses a furnace top structure, which relates to the technical field of heating furnaces and comprises a furnace body top wall, wherein an annular mounting seat is fixedly arranged at the bottom end of the furnace body top wall, a connecting plate is fixedly arranged at the top end of the furnace body top wall, the top end of the connecting plate and the furnace body top wall are the same and provided with a through hole, a furnace cover is arranged in the through hole in a matched mode, the top end of the furnace cover is communicated with an exhaust pipe, a support structure is arranged at the top end of the connecting plate, and two sides of the top end of the support structure are respectively and oppositely provided with a pressing assembly. The heat preservation layer is a heat preservation cotton blanket, the heat preservation effect of the top wall of the furnace body can be improved by arranging the heat preservation layers in multiple layers, heat loss from the shell can be further reduced, gas generated after the gas is added into the furnace body can enter the dust falling pipe along the exhaust pipe, particle impurities can be concentrated in the collecting box under the action of gravity and collected in a concentrated mode, then gasification can continue to rise, pungent odor in the gas can be adsorbed through the arranged multiple layers of activated carbon bags, and pollution to the air is reduced.

Description

A furnace roof structure

technical field

The invention relates to the field of heating furnaces, and more specifically, to a furnace top structure.

Background technique

The heating furnace is a kind of equipment dedicated to heat treatment of product materials and produced workpieces. Different from drying equipment, the main purpose of the heating furnace is not to heat general materials, but to heat metal products at high temperatures without oxidation or less oxidation, so that they can be further processed.

At present, there is a roof structure of a heating furnace in the prior art, and its patent number is: CN202020903089.3, which includes a roof structure. The bottom of the shell is equipped with a heating furnace body, the top of the heating furnace body is fixedly connected to the bottom of the inner shell, the heat-absorbing pipe is a spiral structure, and flowing water is installed in the heat-absorbing pipe, the heat-absorbing pipe is inserted into the outer surface of the inner shell, and the outer shell is detachable The ground is connected to the inner shell, the outer shell is a hollow structure, the inner shell and the heat-absorbing pipe are arranged in the hollow structure of the outer shell, there is a gap between the inner surface of the outer shell and the outer surface of the inner shell, and the heat insulation layer and the alumina filling layer are set in the gap Among them, the inner surface of the shell is fixedly connected with the heat insulation layer, and the alumina filling layer is filled between the heat insulation layer and the outer surface of the inner shell, and the alumina filling layer is used to completely wrap and cover the heat absorbing tube, which solves the problem Existing technical problems, such as: low heat transfer efficiency, unstable air pressure and inconvenient installation and maintenance.

However, the roof structure of the above-mentioned heating furnace still has certain deficiencies in actual use, such as the poor insulation effect of the furnace roof, which easily causes heat dissipation, and the gas in the heating furnace is directly discharged. , some particulate impurity emissions contained in the gas will pollute the air.

Contents of the invention

In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to provide a furnace roof structure capable of filtering the particulate impurities in the exhaust gas.

For reaching this purpose, the present invention adopts following technical scheme:

The invention provides a furnace roof structure, comprising a furnace body top wall, a ring-shaped mounting seat is fixedly arranged at the bottom end of the furnace body top wall, a connecting plate is fixedly arranged at the top end of the furnace body top wall, and the The top of the connecting plate is the same as the top wall of the furnace body and is provided with a through hole, the through hole is matched with a furnace cover, the top of the furnace cover is connected with an exhaust pipe, and the top of the connecting plate is provided with a bracket structure, the two sides of the top of the support structure are respectively provided with compression assemblies that compress the position of the furnace cover, and a filter assembly is arranged between the two compression assemblies in the connecting plate, and the filter assembly and The exhaust pipe is connected. The insulation layer is an insulation cotton blanket, and by setting the insulation layer in multiple layers, the insulation effect of the top wall of the furnace body can be improved, and the heat dissipation from the shell can be reduced, and the gas generated in the furnace body will enter along the exhaust pipe In the dust-reducing pipe, the particles and impurities will be concentrated in the collection box under the action of gravity for centralized collection, and then the gasification will continue to rise. Through the multi-layer activated carbon bag, the irritating odor in the gas can be adsorbed and the air pollution can be reduced. pollute.

In a preferred technical solution of the present invention, the top wall of the furnace body includes an outer shell and an inner shell, and the outer side of the inner shell is provided with an alumina filling layer, and the outer side of the alumina filling layer is provided with a hollow heat conducting plate, an insulation layer is provided on the outside of the heat conducting plate, and one side of the insulation layer is attached to the shell. The alumina filling layer is powder or solid alumina filling. Since the alumina has high heat conduction efficiency and the alumina is fully in contact with the inner side of the heat conduction plate, the temperature of the alumina fill layer will quickly transfer heat to the heat conduction plate at the same time. Surface, and then realize the heating treatment of the cold water inside the heat conduction plate, improve the utilization rate of energy and reduce the waste of resources.

In a preferred technical solution of the present invention, the bottom end of the heat conduction plate is fitted in a slot provided on the mounting base, and the top of one side of the housing communicates with the inside of the heat conduction plate and is provided with a water inlet pipe. The bottom of the other side of the casing communicates with the heat conduction plate and is provided with a water outlet pipe, and one end of the water inlet pipe and the water outlet pipe is provided with a connecting flange. By placing the bottom end of the heat conduction plate in the slot, a filling channel can be formed between the heat conduction plate and the inner shell, which is convenient for filling the alumina filling layer, and the water inlet pipe is connected to the external water pump to pump the external cold water into the into the heat conduction plate, and then discharged through the outlet pipe, which can improve the utilization rate of resources.

In a preferred technical solution of the present invention, the support structure includes a fixing seat, the fixing seat is located directly above the furnace cover, and the two sides of the fixing seat are oppositely provided with inverted L-shaped support rods, so The bottom of the support rod is matched with a fixed sleeve, the bottom end of the fixed sleeve is fixedly connected with the connecting plate, and the support rod is fixed to the fixed sleeve by the pressing bolt provided on one side of the fixed sleeve. connect. The support rod and the fixing sleeve are fixed by tightening the bolts, which facilitates disassembly of the support rod and the fixing seat, and the position and height of the fixing seat can be slightly adjusted by adjusting the position of the support rod in the fixing sleeve.

In a preferred technical solution of the present invention, the pressing assembly includes a fixed shell, the fixed shell is fixedly connected with the fixed seat, and a movable plate is slidably inserted into one side of the fixed shell, and the movable plate The top end passes through the fixed shell and is placed outside the fixed shell, and the bottom end of the movable plate is fixedly provided with a circular briquetting block, and the briquetting block is matched and placed in a pressure groove opened on the top of the furnace cover. The movable plate is pushed to move downward, and the movable plate moves to push the pressing block to move downward. Through the cooperation of the pressing block and the pressing groove, the limit compression of the furnace cover can be realized.

In the preferred technical solution of the present invention, a rack is arranged on one side of the movable plate, a gear is arranged on one side of the rack in the fixed housing, and a connecting shaft is fixedly arranged at the axis of the gear, Both ends of the connecting shaft are rotatably connected to the fixed case, and a servo motor for driving the connecting shaft is arranged outside the fixed case. The work of the servo motor drives the gear to rotate, and the rotation of the gear can drive the toothed rack meshed with it to move downward, and the movement of the toothed rack can drive the movable plate to move downward.

In a preferred technical solution of the present invention, the filter assembly includes a filter frame, the top of the filter frame is provided with a fixing plate, and both sides of the middle part of the top of the fixing plate are fixedly provided with connecting screws, and the connecting screws pass through The nuts provided on the outside fix the filter frame to the fixed plate, and the two ends of the fixed plate are respectively fixedly connected to the two movable plates, and the top of the filter frame is located on both sides of the fixed plate. The air window is provided with a dust-proof net inside the exhaust window. By cooperating with the connecting screw and the nut, the filter frame can be fixedly connected to the fixed plate, and by fixing the fixed plate to the two movable plates, the filter frame can be connected to the movable plate.

In the preferred technical solution of the present invention, the bottom and top of the inner chamber of the filter frame are respectively provided with a solid collection assembly and a gas adsorption assembly, the collection assembly includes a connecting channel, and the connecting channel is arranged outside the exhaust pipe , and the tops on both sides of the connecting channel are connected with an inverted L-shaped dust-falling pipe, and the two sides of the dust-falling pipe are located directly below the dust-falling pipe and are provided with a collection box. Through the provided collection box, the particles and impurities falling by gravity in the dust reduction pipe can be collected intensively.

In a preferred technical solution of the present invention, the adsorption assembly includes an adsorption frame, the adsorption frame is located at the top of the connecting channel, and the outside of the filter frame is provided with fixing bolts for fixing the adsorption frame, and the adsorption frame One side of the adsorption frame is provided with slots, and the adsorption frame is divided into multiple placement cavities by the grid plate provided inside, and activated carbon packs are placed in the placement cavities, and the adsorption frame is rotated to carry out the activation of the activated carbon packs. limited baffle. The multi-layer activated carbon bag can absorb the irritating odor in the gas, and the adsorption frame and the filter frame are fixed by fixing bolts, which is convenient for disassembling the adsorption frame and replacing the activated carbon bag.

The beneficial effects of the present invention are:

In the furnace roof structure provided by the present invention, the insulation layer is a insulation cotton blanket, and by setting the insulation layer in multiple layers, the insulation effect of the top wall of the furnace body can be improved, and the heat dissipation from the shell can be reduced. The generated gas will enter the dust pipe along the exhaust pipe, and the particles and impurities will be collected in the collection box under the action of gravity, and then the gasification will continue to rise. Through the multi-layer activated carbon bag, the dust in the gas can be The irritating odor is adsorbed to reduce air pollution.

The alumina filling layer is powder or solid alumina filling. Since the alumina has high heat conduction efficiency and the alumina is fully in contact with the inner side of the heat conduction plate, the temperature of the alumina fill layer will quickly transfer heat to the heat conduction plate at the same time. Surface, and then realize the heating treatment of the cold water inside the heat conduction plate, improve the utilization rate of energy and reduce the waste of resources.

The servo motor works to drive the gear to rotate, and the rotation of the gear can drive the rack meshed with it to move downward. The movement of the rack can drive the movable plate to move downward, and push the movable plate to move downward. The pressing block cooperates with the pressing groove to realize limit pressing on the furnace cover.

Description of drawings

Fig. 1 is the structure schematic diagram that the roof of a kind of furnace roof structure of the present invention is connected with support structure;

Fig. 2 is the structure schematic diagram that the furnace cover of a kind of furnace top structure that the present invention is proposed is connected with the top wall of the furnace body;

Fig. 3 is a sectional view of the top wall of a furnace roof structure proposed by the present invention;

Fig. 4 is a structural schematic diagram of a support structure, a pressing assembly and a filter assembly position of a furnace roof structure proposed by the present invention;

Fig. 5 is a structural schematic diagram of a bracket structure of a furnace roof structure proposed by the present invention;

Fig. 6 is a structural schematic diagram of a compression assembly of a furnace roof structure proposed by the present invention;

Fig. 7 is a structural schematic diagram inside the filter frame of a furnace roof structure proposed by the present invention;

Fig. 8 is a schematic structural view of an adsorption frame of a furnace roof structure proposed by the present invention.

In the picture:

1-furnace top wall; 101-outer shell; 102-inner shell; 103-alumina filling layer; 104-heat conduction plate; 105-insulation layer; Connecting flange; 2-mounting seat; 3-connecting plate; 4-through hole; 5-furnace cover; 6-bracket structure; 601-fixing seat; ;7-press assembly; 701-fixed shell; 702-movable plate; 703-briquetting block; 704-rack; 705-gear; 706-connecting shaft; 707-servo motor; ;802-fixing plate; 803-connecting screw; 804-nut; 805-exhaust window; 806-dust screen; 807-collection assembly; Components; 8081-adsorption frame; 8082-fixing bolts; 8083-grooving; 8084-grid plate; 8085-activated carbon bag;

detailed description

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

As shown in Figures 1-8, the embodiment provides a furnace roof structure, including a furnace body top wall 1, the bottom end of the furnace body top wall 1 is fixed with a ring-shaped mounting seat 2, and the furnace body top wall 1 The top end is fixedly provided with a connection plate 3, and the top of the connection plate 3 is provided with the same through hole 4 as the top wall of the furnace body 1, and a furnace cover 5 is arranged in cooperation with the through hole 4, and the top of the furnace cover 5 is connected with an exhaust pipe. 10. The top of the connecting plate 3 is provided with a support structure 6, and the two sides of the top of the support structure 6 are respectively provided with a pressing assembly 7 for pressing the position of the furnace cover 5, and the connecting plate 3 is located in two pressing assemblies 7 A filter assembly 8 is arranged between them, and the filter assembly 8 communicates with the exhaust pipe 10 .

Referring to Figures 1-8, the furnace top wall 1 includes an outer shell 101 and an inner shell 102, the outer side of the inner shell 102 is provided with an alumina filling layer 103, and the outer side of the alumina filling layer 103 is provided with a hollow heat conducting plate 104 for heat conduction. The outer side of the board 104 is provided with an insulating layer 105, one side of the insulating layer 105 is attached to the shell 101, and the alumina filling layer 103 is a powder or solid alumina filling. The inner side of 104 is in full contact, so when the temperature of the alumina filling layer 103 rises, it will quickly transfer heat to the surface of the heat conduction plate 104, and then heat the cold water inside the heat conduction plate 104 to improve energy utilization and reduce resources. waste; the bottom end of the heat conduction plate 104 is fitted in the slot 106 provided on the mounting base 2, and the top of one side of the shell 101 communicates with the inside of the heat conduction plate 104 and is provided with a water inlet pipe 107, and the other side of the shell 101 The bottom of the heat conduction plate 104 is connected with a water outlet pipe 108, and one end of the water inlet pipe 107 and the water outlet pipe 108 is provided with a connecting flange 109. By placing the bottom end of the heat conduction plate 104 in the slot 106, the heat conduction plate can be A filling channel is formed between 104 and the inner shell 102, which is convenient for filling the alumina filling layer 103, and the water inlet pipe 107 is connected with the external water pump, so that the external cold water can be pumped into the heat conduction plate 104, and then through the water outlet pipe 108. Discharge can improve the utilization rate of resources; the support structure 6 includes a fixed seat 601, the fixed seat 601 is located directly above the furnace cover 5, and the two sides of the fixed seat 601 are respectively provided with inverted L-shaped support rods 602, the support rods The bottom of 602 is matched with a fixed sleeve 603, and the bottom end of the fixed sleeve 603 is fixedly connected with the connecting plate 3, and the pole 602 is connected to the fixed sleeve 603 by the pressing bolt 604 provided on one side of the fixed sleeve 603. Fixedly connected, the pole 602 and the fixing sleeve 603 are fixed by tightening the bolt 604, which facilitates the disassembly of the pole 602 and the fixing seat 601, and by adjusting the position of the pole 602 in the fixing sleeve 603, the alignment can be realized. The position and height of the fixed seat 601 is slightly adjusted; the pressing assembly 7 includes a fixed shell 701, the fixed shell 701 is fixedly connected with the fixed seat 601, and one side of the fixed shell 701 is slidingly inserted with a movable plate 702, and the top of the movable plate 702 Pass through the fixed shell 701 and place it outside the fixed shell 701. The bottom end of the movable plate 702 is fixedly provided with a circular pressing block 703, which is matched with and placed in the pressure groove 9 opened on the top of the furnace cover 5 to promote the movement. The plate 702 moves downward, and the movable plate 702 moves to push the briquetting block 703 to move downward. By cooperating the briquetting block 703 with the pressure groove 9, the furnace cover 5 can be limited and pressed; one side of the movable plate 702 is provided with teeth A bar 704, a gear 705 is arranged on one side of the rack 704 in the fixed shell 701, and a connecting shaft 706 is fixedly arranged at the axis of the gear 705, and the two ends of the connecting shaft 706 are connected with the fixed shell 704. 01 rotation connection, and the outside of the fixed shell 701 is provided with a servo motor 707 that drives the connecting shaft 706, the servo motor 707 drives the gear 705 to rotate, and the rotation of the gear 705 can drive the rack 704 meshing with it to move downward, and the rack 704 The movement can drive the movable plate 702 to move downward.

1-8, the filter assembly 8 includes a filter frame 801, the top of the filter frame 801 is provided with a fixed plate 802, and both sides of the middle part of the top of the fixed plate 802 are fixedly provided with a connecting screw 803, and the connecting screw 803 is provided through external cooperation. The nut 804 of the filter frame 801 is fixedly connected with the fixed plate 802, and the two ends of the fixed plate 802 are respectively fixedly connected with the two movable plates 702, and the top of the filter frame 801 is located on both sides of the fixed plate 802, and there are exhaust windows 805, the exhaust window 805 is provided with a dust-proof net 806, through the cooperation of the connecting screw 803 and the nut 804, the filter frame 801 can be fixedly connected with the fixed plate 802, and the fixed plate 802 can be connected with the two movable plates 702 fixed, so that the filter frame 801 can be connected to the movable plate 702; the bottom and the top of the inner cavity of the filter frame 801 are respectively provided with a solid collection assembly 807 and a gas adsorption assembly 808, and the collection assembly 807 includes a connecting channel 8071, and the connecting channel 8071 is set Outside the exhaust pipe 10, and the tops of both sides of the connecting channel 8071 are connected with an inverted L-shaped dust fall pipe 8072, and the two sides of the dust fall pipe 8072 are located directly below the dust fall pipe 8072. A collection box 8073 is arranged. Some collection boxes 8073 can collect the particles and impurities falling by gravity in the dust reduction pipe 8072; The fixing bolts 8082 for fixing the frame 8081, the side of the adsorption frame 8081 is provided with a slot 8083, and the adsorption frame 8081 is divided into a plurality of placement cavities 8086 by the grid plate 8084 provided inside, and an activated carbon bag 8085 is placed in the placement cavity 8086 , and the adsorption frame 8081 is rotated with a baffle 8087 that limits the position of the activated carbon package 8085, through the multi-layer activated carbon package 8085, the pungent odor in the gas can be adsorbed, and the adsorption frame 8081 is fixed by the fixing bolt 8082 Fixing with the filter frame 801 facilitates the disassembly and assembly of the adsorption frame 8081, and further facilitates the replacement of the activated carbon bag 8085.

The thermal insulation layer 105 is a thermal insulation cotton blanket, and by arranging multiple layers of the thermal insulation layer 105, the thermal insulation effect of the top wall 1 of the furnace body can be improved, and the heat dissipation from the shell 101 can be reduced, and the gas generated after being added in the furnace body will flow along the The exhaust pipe 10 enters the dust pipe 8072, and the particles and impurities will be concentrated in the collection box 8073 under the action of gravity for centralized collection, and then the gasification will continue to rise. Odors are adsorbed to reduce air pollution.

Other technologies in this embodiment adopt existing technologies.

The present invention has been described through preferred embodiments, and those skilled in the art know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited by the specific embodiments disclosed here, and other embodiments falling within the claims of the present application all belong to the protection scope of the present invention.

Claims (9)

1. The utility model provides a furnace roof structure, includes furnace body roof (1), its characterized in that, the bottom mounting of furnace body roof (1) is provided with and is annular mount pad (2), the top of furnace body roof (1) is fixed and is provided with connecting plate (3), through-hole (4) have been seted up the same with furnace body roof (1) on the top of connecting plate (3), the cooperation is provided with bell (5) in through-hole (4), the top of bell (5) is linked together and is provided with blast pipe (10), the top of connecting plate (3) is provided with supporting structure (6), the both sides on supporting structure (6) top are provided with respectively relatively compresses tightly subassembly (7) that compress tightly the position of bell (5), it is provided with between subassembly (7) to be located two in connecting plate (3) and compresses tightly subassembly (8), filtering subassembly (8) are linked together with blast pipe (10).

2. The furnace roof structure according to claim 1, characterized in that the furnace body top wall (1) comprises an outer shell (101) and an inner shell (102), an alumina filling layer (103) is arranged on the outer side of the inner shell (102), a heat conducting plate (104) with a hollow inner part is arranged on the outer side of the alumina filling layer (103), an insulating layer (105) is arranged on the outer side of the heat conducting plate (104), and one side of the insulating layer (105) is attached to the outer shell (101).

3. The furnace roof structure according to claim 2, wherein the bottom end of the heat-conducting plate (104) is arranged in a clamping groove (106) formed in the mounting base (2) in a matching manner, the top of one side of the shell (101) is communicated with the inside of the heat-conducting plate (104) to form a water inlet pipe (107), the bottom of the other side of the shell (101) is communicated with the heat-conducting plate (104) to form a water outlet pipe (108), and one end of each of the water inlet pipe (107) and the water outlet pipe (108) is provided with a connecting flange (109).

4. The furnace roof structure according to claim 1, wherein the support structure (6) comprises a fixing base (601), the fixing base (601) is located right above the furnace cover (5), two sides of the fixing base (601) are respectively and oppositely provided with an inverted-L-shaped supporting rod (602), the bottom of the supporting rod (602) is sleeved with a fixing sleeve (603) in a matching manner, the bottom end of the fixing sleeve (603) is fixedly connected with the connecting plate (3), and the supporting rod (602) is fixedly connected with the fixing sleeve (603) through a tightening bolt (604) arranged on one side of the fixing sleeve (603).

5. The furnace roof structure according to claim 4, wherein the pressing component (7) comprises a fixed shell (701), the fixed shell (701) is fixedly connected with the fixed seat (601), a movable plate (702) is slidably inserted into one side of the inside of the fixed shell (701), the top end of the movable plate (702) penetrates through the fixed shell (701) and is arranged outside the fixed shell (701), a circular pressing block (703) is fixedly arranged at the bottom end of the movable plate (702), and the pressing block (703) is matched and arranged in a pressing groove (9) formed in the top end of the furnace cover (5).

6. The roof structure according to claim 5, characterised in that one side of the movable plate (702) is provided with a rack (704), one side of the rack (704) in the stationary shell (701) is provided with a gear (705), the axis of the gear (705) is fixedly provided with a connecting shaft (706), both ends of the connecting shaft (706) are rotatably connected with the stationary shell (701), and the outside of the stationary shell (701) is provided with a servo motor (707) driving the connecting shaft (706).

7. The furnace roof structure according to claim 5, wherein the filter assembly (8) comprises a filter frame (801), a fixing plate (802) is arranged at the top of the filter frame (801), connecting screws (803) are fixedly arranged on both sides of the middle portion of the top end of the fixing plate (802), the connecting screws (803) fixedly connect the filter frame (801) and the fixing plate (802) through nuts (804) which are externally matched and arranged, both ends of the fixing plate (802) are fixedly connected with the two movable plates (702) respectively, exhaust windows (805) are arranged on both sides of the top end of the filter frame (801) located on the fixing plate (802), and dust screens (806) are arranged in the exhaust windows (805).

8. The furnace roof structure according to claim 7, wherein the bottom and the top of the cavity of the filter frame (801) are respectively provided with a solid collecting component (807) and a gas adsorbing component (808), the collecting component (807) comprises a connecting channel (8071), the connecting channel (8071) is arranged outside the exhaust pipe (10), the tops of two sides of the connecting channel (8071) are communicated with a dust falling pipe (8072) in an inverted L shape, and two sides of the dust falling pipe (8072) are positioned right below the dust falling pipe (8072) and are provided with a collecting box (8073).

9. The furnace roof structure according to claim 8, wherein the adsorption component (808) comprises an adsorption frame (8081), the adsorption frame (8081) is located at the top of the connecting channel (8071), a fixing bolt (8082) for fixing the adsorption frame (8081) is arranged on the outer side of the filter frame (801), one side of the adsorption frame (8081) is provided with a slot (8083), the adsorption frame (8081) is divided into a plurality of placing cavities (8086) by a grid plate (8084) arranged inside, an activated carbon bag (8085) is placed in the placing cavity (8086), and a baffle (8087) for limiting the activated carbon bag (8085) is rotatably arranged on the adsorption frame (8081).

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