Heating furnace capable of reducing heat loss and used for processing enamel glass tank body

Abstract

The utility model relates to the technical field of enamel glass tank body processing, in particular to a heating furnace for enamel glass tank body processing, which can reduce heat loss and comprises a heating furnace body, and a transition box body communicated with an opening of the heating furnace body is connected to the opening of the heating furnace body. A sealing door used for blocking an opening of the heating furnace body is arranged on the transition box body in a penetrating mode, and the two sides of the transition box body are respectively connected with a driving mechanism used for driving the sealing door to ascend and descend. The top of an opening of the heating furnace body is connected with a lifting type hot air wall. The open end, away from the heating furnace body, of the transition box body is connected with a fixed hot air wall, and the temperature of hot air blown out by the fixed hot air wall is lower than that of hot air blown out by the lifting hot air wall. The heating furnace is reasonable in structure, heat of the heating furnace body is prevented from being quickly dissipated to the outside through interaction of the lifting type hot air wall and the fixed type hot air wall, and the heat utilization rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the enamelled glass jar body processing technical field, especially to a kind of heating furnace for the enamelled glass jar body processing of reducing heat loss. BACKGROUND

[0002] Enamelled glass jar body, commonly known as glass tank, is a kind of storage container combined with enamel and glass. The processing technology of enamelled glass jar body is blanking, rolling, welding, polishing, oil burning decarburization, sand blasting, enameling bottom glaze, inspection, repair, enameling face glaze and quality detection, etc. In the process of enameling bottom glaze and enameling face glaze, heating furnace is needed, and forklift is used to transport enamelled glass jar body into heating furnace for a period of time to achieve the purpose of firing.

[0003] For the above-mentioned related technology, the inventor finds that the fired enamelled glass jar body is forked out for cooling, and the to-be-fired enamelled glass jar body is transported into the heating furnace. In this process, the sealing door of the heating furnace is in an open state, and a large amount of heat in the heating furnace is dissipated to the outside, reducing the utilization rate of heat. UTILITY MODEL CONTENT

[0004] The technical problem solved by the utility model is to provide a heating furnace for enamelled glass jar body processing with reduced heat loss. Through the interaction of the lifting hot air wall and the fixed hot air wall, the rapid dissipation of heat from the heating furnace body to the outside is reduced, and the utilization rate of heat is improved.

[0005] To solve the above technical problems, the utility model adopts one technical scheme: providing a heating furnace for enamelled glass jar body processing with reduced heat loss, comprising: a heating furnace body, a transition box body connected with the opening of the heating furnace body, a sealing door for plugging the opening of the heating furnace body is provided on the transition box body, and a driving mechanism for driving the sealing door to lift is connected to the two sides of the transition box body.

[0006] The top of the opening of the heating furnace body is connected with a lifting hot air wall.

[0007] The opening end of the transition box body away from the heating furnace body is connected with a fixed hot air wall, and the temperature of the hot air blown by the fixed hot air wall is lower than that of the hot air blown by the lifting hot air wall.

[0008] By adopting the technical scheme, when in use, the heating furnace body generates a large amount of heat, the temperature in the heating furnace body is increased to a certain range, the enamelled glass jar to be fired is transported into the heating furnace body by using a forklift, the sealing door is driven to move downwards by the driving mechanism to seal the opening of the heating furnace body to prevent heat from flowing out, when the enamelled glass jar is fired, the sealing door is driven to move upwards by the driving mechanism to make the opening of the heating furnace body in an open state, the lifting hot air wall blows hot air downwards to form a hot air wall, when the heat in the heating furnace body tries to transfer outward, the hot air wall is first encountered, the temperature difference between the hot air wall and the heating furnace body is small, the driving force of heat conduction is weakened, and therefore the speed of heat flowing outward by conduction is slowed down, the fixed hot air wall blows hot air downwards to form a hot air wall, when the heat in the transition box tries to transfer outward, the hot air wall is encountered, the temperature difference between the hot air wall and the transition box is small, the driving force of heat conduction is weakened, and therefore the speed of heat flowing outward by conduction is slowed down, that is, through the interaction of the lifting hot air wall and the fixed hot air wall, the heat in the heating furnace body is reduced to flow to the outside rapidly, and the heat utilization rate is improved.

[0009] In a preferred example, the lifting hot air wall further comprises a hollow receiving box body and an organ case arranged in the inner cavity of the hollow receiving box body, the upper end of the hollow receiving box body is connected with the top inner wall of the heating furnace body, the upper end of the organ case is connected with the top inner wall of the heating furnace body, the lower end of the organ case is connected with a flat jet head one, and the utility model further comprises a first air extraction device and a vertical lifting rod for driving the flat jet head one to lift, the air inlet of the first air extraction device is connected with the inner cavity of the heating furnace body through a pipeline, and the air outlet is connected with the flat jet head one through an extension tube.

[0010] By adopting the technical scheme, the first air extraction device works to extract the heat in the heating furnace body and blow it downwards through the flat jet head one to form a hot air wall, according to the diameter of the enamelled glass jar, the vertical lifting rod is operated to drive the flat jet head one to descend by a proper distance, the flat jet head one does not affect the enamelled glass jar to be transported out of the opening of the heating furnace body, meanwhile, the flat jet head one moves downwards to drive the organ case to unfold, the unfolded organ case can prevent part of heat conduction, reduce heat loss, and improve heat utilization rate.

[0011] The utility model discloses a further configuration in a preferable example can be: fixed hot -blast wall including flat jet head two and U -shaped waste heat collection casing, flat jet head two is connected in the top inner wall of transition box body, the lateral surface of heating furnace body is connected in U -shaped waste heat collection casing, the outer surface of U -shaped waste heat collection casing is connected with fixed seat, install second air extraction device on the fixed seat, the air inlet of second air extraction device is connected through pipeline between U -shaped waste heat collection casing, the air outlet is connected through pipeline between flat jet head two, the side away from second air extraction device of U -shaped waste heat collection casing is equipped with air inlet hole.

[0012] Through adopt above technical scheme, part heat in heating furnace body is lost to outside through outer surface, through the use of U -shaped waste heat collection casing, part lost heat is collected together, and the heat in U -shaped waste heat collection casing is extracted into the inner chamber of flat jet head two by the work of second air extraction device, and the hot blast of flat jet head two blows down and forms hot -blast wall, thereby slow down the speed of heat flowing outward through the conduction mode.

[0013] The utility model discloses a further configuration in a preferable example can be: vertical lifting pole piece includes two interval installation oil cylinder one in heating furnace body top, and the extension end of oil cylinder one is connected with flat jet head one.

[0014] Through adopt above technical scheme, the extension and contraction action of the extension rod of oil cylinder one is formed, thereby drive flat jet head one moves in vertical direction.

[0015] The utility model discloses a further configuration in a preferable example can be: drive mechanism includes two symmetrical connection retractable drive rod assembly in transition box body lateral surface, and retractable drive rod assembly includes fixed frame and installs oil cylinder two on fixed frame, and the extension end of oil cylinder two is connected with support plate between sealing door.

[0016] Through adopt above technical scheme, the extension and contraction action of the extension rod of oil cylinder two is formed, thereby drive sealing door moves in vertical direction.

[0017] The utility model discloses a further configuration in a preferable example can be: the top of transition box body is equipped with rectangular open slot, the sealing door is arranged in the rectangular open slot, and the both sides of sealing door are respectively equipped with U -shaped guide slot body, and U -shaped guide slot body is connected with the inner wall of transition box body.

[0018] Through adopt above technical scheme, through the use of U -shaped guide slot body, it is convenient to guide sealing door to move in vertical direction, and simultaneously, reduce the heat flow from the gap between sealing door and transition box body, enhance the sealing effect.

[0019] The utility model discloses a further configuration in a preferable example can be: the inner chamber of heating furnace body is equipped with placing frame assembly, placing frame assembly includes frame body and two symmetrical setting trapezoidal support block, trapezoidal support block is connected with the upper surface of frame body.

[0020] By adopting the above technical scheme, the enamel glass jar body is transported to the upper surface of the frame body by the forklift, the frame body plays a supporting role on the enamel glass jar body, and the two trapezoidal support blocks prevent the enamel glass jar body from rolling, so that the limiting purpose is achieved.

[0021] To sum up, the utility model discloses at least one of the following beneficial technical effects:

[0022] The lifting type hot air wall blows hot air downward to form a hot air wall, and the fixed type hot air wall blows hot air downward to form a hot air wall, so that the heat in the heating furnace body is reduced to flow to the outside quickly, and the heat utilization rate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings, wherein:

[0024] Figure 1 It is a structure schematic view of a preferable embodiment of the utility model of the enamel glass jar body processing heating furnace of reducing heat loss.

[0025] Figure 2 It is Figure 1 The structure schematic view of heating furnace body, lifting type hot air wall, placing frame assembly and U-shaped waste heat collection shell connection in it.

[0026] Figure 3 It is Figure 1 The structure schematic view of transition box body in it.

[0027] Figure 4 It is Figure 3 The structure schematic view of the connection of organ cover body, hollow storage box body and flat jet head in it.

[0028] Figure 5 It is Figure 1 The structure schematic view of placing frame assembly in it.

[0029] Figure 6 It is Figure 1 The structure schematic view of flat jet head two in it.

[0030] Figure 7 It is Figure 1Structural schematic view of the U-shaped waste heat collection shell.

[0031] In the figure: 1, heating furnace body; 2, transition box; 3, sealing door; 40, telescopic drive rod assembly;

[0032] 50, lifting hot air wall; 60, fixed hot air wall; 70, placing rack assembly; 8, rectangular open slot;

[0033] 9, U-shaped guide groove body;

[0034] 41, fixed frame; 42, oil cylinder two; 43, support plate;

[0035] 51, hollow storage box; 52, organ cover body; 53, flat jet head one; 54, first air extraction device; 55, vertical lifting rod; 551, oil cylinder one;

[0036] 61, flat jet head two; 62, U-shaped waste heat collection shell; 63, fixed seat; 64, second air extraction device; 65, air inlet hole;

[0037] 71, rack body; 72, trapezoidal support block. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present application are described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to explain and illustrate the present application, and are not used to limit the present application.

[0039] It should be noted that these drawings are simplified schematic diagrams, and only illustrate the basic structure of the present application in a schematic manner, and therefore only show the relevant components of the present application.

[0040] Reference Figures 1 to 7 The present application discloses a heating furnace for processing enamel glass tank body with reduced heat loss, comprising: a heating furnace body 1, a transition box 2 connected to the opening of the heating furnace body 1, a sealing door 3 provided on the transition box 2 for plugging the opening of the heating furnace body 1, and a driving mechanism connected to the two sides of the transition box 2 for driving the sealing door 3 to lift; the driving mechanism comprises two telescopic drive rod assemblies 40 connected symmetrically to the sides of the transition box 2, the telescopic drive rod assembly 40 comprises a fixed frame 41 and an oil cylinder two 42 mounted on the fixed frame 41, and the support plate 43 is connected between the extension end of the oil cylinder two 42 and the sealing door 3; the telescopic rod of the oil cylinder two 42 extends and retracts, thereby driving the sealing door 3 to move in the vertical direction.

[0041] The top of the opening of the heating furnace body 1 is connected with a lifting hot air wall 50; the lifting hot air wall 50 comprises a hollow receiving box 51 and an organ case 52 arranged in the inner cavity of the hollow receiving box 51, the upper end of the hollow receiving box 51 is connected with the top inner wall of the heating furnace body 1, the upper end of the organ case 52 is connected with the top inner wall of the heating furnace body 1, the lower end of the organ case 52 is connected with a flat jet head one 53, further comprising a first air extraction device 54 and a vertical lifting rod 55 for driving the flat jet head one 53 to lift, the air inlet of the first air extraction device 54 is connected with the inner cavity of the heating furnace body 1 through a pipeline, and the air outlet is connected with the flat jet head one 53 through an extension tube; the first air extraction device 54 works to extract the heat in the heating furnace body 1 and blow it downward through the flat jet head one 53 to form a hot air wall, according to the diameter of the enamel glass tank, the vertical lifting rod 55 is operated to drive the flat jet head one 53 to descend by a proper distance, the flat jet head one 53 does not affect the enamel glass tank to be transported out of the opening of the heating furnace body 1, at the same time, the flat jet head one 53 moves downward to drive the organ case 52 to expand, the expanded organ case 52 can prevent the conduction of part of the heat, reduce the loss of heat and improve the utilization rate of heat.

[0042] The vertical lifting rod 55 comprises two oil cylinders one 551 which are installed at intervals on the top of the heating furnace body 1, the extending end of the oil cylinder one 551 is connected with the flat jet head one 53; the telescopic rod of the oil cylinder one 551 performs the actions of extension and contraction, thereby driving the flat jet head one 53 to move in the vertical direction.

[0043] The opening end of the transition box 2 away from the heating furnace body 1 is connected with a fixed hot air wall 60, the hot air blown by the fixed hot air wall 60 has a lower temperature than the hot air blown by the lifting hot air wall 50; the fixed hot air wall 60 comprises a flat jet head two 61 and a U-shaped waste heat collection shell 62, the flat jet head two 61 is connected with the top inner wall of the transition box 2, the U-shaped waste heat collection shell 62 is connected with the side of the heating furnace body 1, the outer surface of the U-shaped waste heat collection shell 62 is connected with a fixing seat 63, a second air extraction device 64 is installed on the fixing seat 63, the air inlet of the second air extraction device 64 is connected with the U-shaped waste heat collection shell 62 through a pipeline, and the air outlet is connected with the flat jet head two 61 through a pipeline, the side of the U-shaped waste heat collection shell 62 away from the second air extraction device 64 is provided with an air inlet hole 65; part of the heat in the heating furnace body 1 is lost to the outside through the outer surface, part of the lost heat is collected together through the use of the U-shaped waste heat collection shell 62, the second air extraction device 64 works to extract the heat in the U-shaped waste heat collection shell 62 into the inner cavity of the flat jet head two 61, the flat jet head two 61 blows hot air downward to form a hot air wall, thereby slowing down the speed of heat flowing outward in the conduction mode.

[0044] The top of the transition box 2 is provided with a rectangular opening slot 8, the sealing door 3 is arranged in the rectangular opening slot 8, and the two side edges of the sealing door 3 are respectively sleeved with U-shaped guide slot bodies 9 connected with the inner wall of the transition box 2; through the use of the U-shaped guide slot bodies 9, the sealing door 3 is guided to move in the vertical direction, meanwhile, the heat flow out of the gap between the sealing door 3 and the transition box 2 is reduced, and the sealing effect is enhanced.

[0045] The inner cavity of the heating furnace body 1 is provided with a placing rack assembly 70, the placing rack assembly 70 comprises a rack body 71 and two symmetrical trapezoidal supporting blocks 72 connected with the upper surface of the rack body 71; the enamelled glass jar body is transported to the upper surface of the rack body 71 by using a forklift, the rack body 71 supports the enamelled glass jar body, and the two trapezoidal supporting blocks 72 prevent the enamelled glass jar body from rolling, so that the purpose of limiting is achieved.

[0046] The implementation principle of the embodiment is as follows: in use, the heating furnace body 1 generates a large amount of heat, the temperature in the heating furnace body 1 is increased to a certain range, the enamelled glass jar body to be fired is transported into the heating furnace body 1 by using a forklift, the sealing door 3 is driven to move downwards by operating the driving mechanism, the sealing door 3 seals the opening of the heating furnace body 1, and the heat flow out is prevented; when the enamelled glass jar body is fired, the sealing door 3 is driven to move upwards by operating the driving mechanism, so that the opening of the heating furnace body 1 is in an open state, the lifting type hot air wall 50 works to blow hot air downwards to form a hot air wall, when the heat in the heating furnace body 1 tries to transfer outward, the hot air wall is first encountered, the temperature difference between the hot air wall and the heating furnace body 1 is small, the driving force of heat conduction is weakened, and thus the speed of the heat flowing outward by the conduction mode is slowed down; the fixed type hot air wall 60 works to blow hot air downwards to form a hot air wall, when the heat in the transition box 2 tries to transfer outward, the hot air wall is encountered, the temperature difference between the hot air wall and the transition box 2 is small, the driving force of heat conduction is weakened, and thus the speed of the heat flowing outward by the conduction mode is slowed down; that is, through the interaction of the lifting type hot air wall 50 and the fixed type hot air wall 60, the heat in the heating furnace body 1 is prevented from flowing rapidly to the outside, and the heat utilization rate is improved.

[0047] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields by using the content of the present application is also included in the patent protection range of the present application.

Claims

1. A heating furnace for processing an enamel glass can body with reduced heat loss, comprising: The heating furnace body (1) is characterized in that a transition box (2) in communication with the heating furnace body (1) is connected to the opening of the heating furnace body (1), a sealing door (3) for sealing the opening of the heating furnace body (1) is arranged on the transition box (2), and a driving mechanism for driving the sealing door (3) to lift is connected to the two sides of the transition box (2). A lifting hot air wall (50) is connected to the top of the opening of the heating furnace body (1). A fixed hot air wall (60) is connected to the opening end of the transition box (2) away from the heating furnace body (1), and the fixed hot air wall (60) blows hot air at a lower temperature than the lifting hot air wall (50).

2. The heat loss reducing enamel glass pot body processing heating furnace according to claim 1, characterized by, The lifting hot air wall (50) comprises a hollow receiving box (51) and an organ case (52) arranged in the inner cavity of the hollow receiving box (51), the upper end of the hollow receiving box (51) is connected to the top inner wall of the heating furnace body (1), the upper end of the organ case (52) is connected to the top inner wall of the heating furnace body (1), the lower end of the organ case (52) is connected to a flat air jet head (53), and the lifting hot air wall (50) further comprises a first air extraction device (54) and a vertical lifting rod (55) for driving the flat air jet head (53) to lift, the air inlet of the first air extraction device (54) is connected to the inner cavity of the heating furnace body (1) through a pipeline, and the air outlet is connected to the flat air jet head (53) through an extension tube.

3. The heat loss reducing enamel glass pot body processing heating furnace according to claim 1, characterized by, The fixed hot air wall (60) comprises a flat air jet head (61) and a U-shaped waste heat collection shell (62), the flat air jet head (61) is connected to the top inner wall of the transition box (2), and the U-shaped waste heat collection shell (62) is connected to the side of the heating furnace body (1), the outer surface of the U-shaped waste heat collection shell (62) is connected to a fixing seat (63), the second air extraction device (64) is mounted on the fixing seat (63), the air inlet of the second air extraction device (64) is connected to the U-shaped waste heat collection shell (62) through a pipeline, and the air outlet is connected to the flat air jet head (61) through a pipeline, and the side of the U-shaped waste heat collection shell (62) away from the second air extraction device (64) is provided with an air inlet hole (65).

4. The heat loss reducing enamel glass pot body processing heating furnace according to claim 2, characterized by, The vertical lifting rod (55) comprises two oil cylinders (551) which are spaced apart and mounted on the top of the heating furnace body (1), and the extending end of the oil cylinder (551) is connected to the flat air jet head (53).

5. The heat loss reducing enamel glass can body processing furnace according to claim 1, characterized by The driving mechanism comprises two extension driving rod assemblies (40) which are symmetrically connected to the sides of the transition box (2), the extension driving rod assembly (40) comprises a fixing frame (41) and an oil cylinder (42) mounted on the fixing frame (41), and the extending end of the oil cylinder (42) is connected to the sealing door (3) through a support plate (43).

6. The heat loss reducing enamel glass can body processing furnace according to claim 1, characterized by The top of the transition box (2) is provided with a rectangular opening groove (8), the sealing door (3) is arranged in the rectangular opening groove (8), the two side edges of the sealing door (3) are respectively sleeved with U-shaped guide grooves (9), and the U-shaped guide grooves (9) are connected to the inner wall of the transition box (2).

7. The heat loss reducing enamel glass can body processing furnace according to claim 1, characterized by The inner cavity of the heating furnace body (1) is provided with a placing rack assembly (70), the placing rack assembly (70) comprises a rack body (71) and two symmetrical trapezoidal support blocks (72) which are connected with the upper surface of the rack body (71).

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