Direct type gas hot blast stove

Abstract

The utility model provides a direct type gas hot-blast stove which comprises a hot-blast stove body, an impurity removal assembly is installed at the air inlet end of the hot-blast stove body, an air inlet pipe is communicated with the air inlet end of the hot-blast stove body, and a filter shell is communicated with the end, away from the hot-blast stove body, of the air inlet pipe. The end cover is provided with a filter element, one end, far away from the air inlet pipe, of the filter shell is provided with an air inlet piece, and the air inlet piece is used for being connected with an external air blower. The corrugated filter element adsorbs impurities in air, so that the impurities entering the hot blast stove body are reduced, accumulation of the impurities is reduced, the heat exchange effect of the hot blast stove body is improved, the end cover is disassembled through the opening and closing piece, the filter element and the filter shell are separated, and the filter element is maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas hot -blast stove technical field especially is related to a direct gas hot -blast stove. BACKGROUND

[0002] Direct gas hot -blast stove is a kind of industrial heat equipment, mainly used to provide high temperature hot air, to meet the heating needs in different industrial production process, direct gas hot -blast stove is directly combusted by burner natural gas, liquefied petroleum gas (LPG) or other gas fuel, produces high temperature hot air.

[0003] Wherein, direct gas hot -blast stove needs to use air blower to guide the air of outside into direct gas hot -blast stove and is heated when using, the hot gas generated is guided out after purification and is used, the impurities contained in air cause the impurities of direct gas hot -blast stove to increase after burning, influence heat exchange effect, impurities adhere to the combustion chamber of direct gas hot -blast stove, are inconvenient to clean. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of direct gas hot -blast stove, the direct gas hot -blast stove of this kind, to solve the impurities contained in air cause the impurities of direct gas hot -blast stove to increase after burning, influence heat exchange effect Problem.

[0005] The utility model provides a kind of direct gas hot -blast stove, including hot -blast stove body, air intake end of the hot -blast stove body is equipped with impurity removal subassembly, the impurity removal subassembly is used to filter the solid impurities of mixed in external air;

[0006] The impurity removal subassembly includes intake pipe, filter shell, end cover, air inlet piece;

[0007] The intake pipe is communicated with the air intake end of the hot -blast stove body, the filter shell is communicated with the end of the intake pipe away from the hot -blast stove body, the end cover is used to close the filter shell, the end cover is equipped with filter core, the filter core is located in the cavity of the filter shell, the end of the filter shell away from the intake pipe is equipped with air inlet piece, the air inlet piece is used to be connected with external air blower, to guide the air of outside to the inner chamber of the filter shell;

[0008] The filter core is evenly distributed along the end cover, and the filter core is processed in wave shape.

[0009] Preferably, the end cover is equipped with opening and closing piece, the opening and closing piece is used to control the opening and closing between the end cover and the filter shell;

[0010] The opening and closing piece includes telescopic piece, support plate, connecting piece and fixing piece;

[0011] The telescopic piece is connected with the base of the hot blast stove body through the fixing piece, the support plate is fixedly connected with the output end of the telescopic piece, and the support plate is connected with the end cover through the connecting piece.

[0012] Preferably, the connecting piece comprises a slot plate and a plug-in plate.

[0013] The slot plate is fixedly connected with the support plate, the plug-in plate is plugged into the clamping groove of the slot plate, and the end, away from the slot plate, of the plug-in plate is fixedly connected with the end cover.

[0014] Preferably, the air outlet end of the hot blast stove body is provided with a turbulence assembly, and the turbulence assembly is used for prolonging the heating time of external air in the hot blast stove body.

[0015] The turbulence assembly comprises a gas guiding shell, support rods and turbulence plates.

[0016] The gas guiding shell is connected with the hot blast stove body through bolts, the support rods are symmetrically distributed based on the gas guiding shell, the turbulence plates are fixedly connected with the outer circumferences of the support rods, and the turbulence plates are located in the inner cavity of the hot blast stove body.

[0017] Preferably, the turbulence plates are uniformly distributed along the support rods.

[0018] Preferably, a tapered through hole is formed in the gas guiding shell.

[0019] Preferably, the fixing piece comprises a clamp and a positioning pin.

[0020] The clamp is fixedly connected with the telescopic piece, and the clamp is connected with the base of the hot blast stove body through the positioning pin.

[0021] Preferably, the telescopic piece is a hydraulic rod.

[0022] Preferably, the air inlet piece comprises a flow guiding shell and a fan joint.

[0023] The flow guiding shell and the filter shell are in communication, and the fan joint is in communication with the side, away from the filter shell, of the flow guiding shell.

[0024] The end, away from the fan joint, of the flow guiding shell is formed in a flared shape.

[0025] Preferably, the hot blast stove body is provided with a combustion chamber, and the inner cavity of the combustion chamber is provided with a mesh plate.

[0026] The utility model provides a direct type gas hot blast stove:

[0027] The external air is introduced into the filter shell under the action of the air blower through the cooperation of the air inlet pipe, the filter shell, the end cover, the filter core, the air inlet piece and the opening and closing piece, the air enters the air inlet pipe through the filter core, the corrugated filter core adsorbs the impurities in the air, so that the impurities entering the hot blast stove body are reduced, the accumulation of impurities is reduced, the heat exchange effect of the hot blast stove body is improved, the end cover is disassembled through the opening and closing piece, the filter core and the filter shell are separated, and the filter core is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0029] Figure 1 It is a structural schematic view of the utility model;

[0030] Figure 2 It is an explosion view of the air inlet pipe, the filter shell, the end cover and the filter core in the utility model;

[0031] Figure 3 It is a structural schematic view of the utility model in the telescopic piece, the supporting plate, the slot plate and the plug-in plate;

[0032] Figure 4 It is a structural schematic view of the utility model in the gas blocking shell, the bolt, the supporting rod and the spoiler;

[0033] Figure 5 It is an assembly drawing of the utility model in the wire blocking shell and the hot blast stove body.

[0034] Explanation of reference signs:

[0035] 1-hot blast stove body, 11-combustion chamber, 12-mesh plate, 2-impurity removal assembly, 21-air inlet pipe, 22-filter shell, 23-end cover, 231-filter core, 24-air inlet piece, 241-flow guide shell, 242-fan joint, 25-opening and closing piece, 251-telescopic piece, 252-supporting plate, 253-connection piece, 253a-slot plate, 253b-plug-in plate, 254-fixing piece, 254a-clip, 254b-positioning pin, 3-turbulence assembly, 31-gas blocking shell, 311-bolt, 32-supporting rod, 33-spoiler. DETAILED DESCRIPTION

[0036] The technical solutions of the present application will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0037] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0038] In the description of the present application, it should be understood that the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In the present embodiment, as Figure 1 and Figure 2As shown, a direct gas hot blast stove comprises a hot blast stove body 1, and a foreign matter removing assembly 2 is mounted at the air inlet end of the hot blast stove body 1, the foreign matter removing assembly 2 is used for filtering solid impurities mixed in external air, and the foreign matter removing assembly 2 comprises an air inlet pipe 21, a filter shell 22, an end cover 23, and an air inlet piece 24, the air inlet pipe 21 is communicated with the air inlet end of the hot blast stove body 1, the filter shell 22 is communicated with the end of the air inlet pipe 21 away from the hot blast stove body 1, the end cover 23 is used for closing the filter shell 22, the end cover 23 is provided with filter cores 231, the filter cores 231 are located in the cavity of the filter shell 22, the end of the filter shell 22 away from the air inlet pipe 21 is provided with the air inlet piece 24, the air inlet piece 24 is used for being connected with an external air blower to guide external air into the inner cavity of the filter shell 22, the filter cores 231 are uniformly distributed along the end cover 23, and the filter cores 231 are processed in a wave shape.

[0040] Therefore, under the action of the air blower, external air is guided into the filter shell 22, the air enters the air inlet pipe 21 through the filter cores 231, the wave-shaped filter cores 231 adsorb impurities in the air to reduce impurities entering the hot blast stove body 1, and the filter cores 231 are separated from the filter shell 22 by disassembling the end cover 23 to maintain the filter cores 231.

[0041] Specifically, the air inlet pipe 21 is used for conducting air into the hot blast stove body 1, the filter shell 22 is processed with a cavity, the end cover 23 closes the opening of the filter shell 22, and the filter cores 231 are provided in multiple groups to adsorb impurities in the air.

[0042] It should be noted that the filter cores 231 are processed in a wave shape to increase the contact area with the air and improve the adsorption effect of impurities in the air.

[0043] In some embodiments, as shown in the drawings, Figure 3 The end cover 23 is provided with an opening and closing piece 25, the opening and closing piece 25 is used for controlling the opening and closing between the end cover 23 and the filter shell 22, the opening and closing piece 25 comprises a telescopic piece 251, a support plate 252, a connecting piece 253, and a fixing piece 254, the telescopic piece 251 is connected with the base of the hot blast stove body 1 through the fixing piece 254, the support plate 252 is fixedly connected with the output end of the telescopic piece 251, and the support plate 252 is connected with the end cover 23 through the connecting piece 253.

[0044] Specifically, the telescopic piece 251 provides power for the movement of the support plate 252, the support plate 252 is processed in a right angle type, and the connecting piece 253 is used for connecting the support plate 252 and the end cover 23.

[0045] In some embodiments, as shown in the drawings, Figure 3As shown, the connecting piece 253 comprises a slot plate 253a and a plug-in plate 253b, the slot plate 253a is fixedly connected with the support plate 252, the plug-in plate 253b is plugged into the clamping groove of the slot plate 253a, and the end of the plug-in plate 253b away from the slot plate 253a is fixedly connected with the end cover 23;

[0046] Specifically, the clamping groove of the slot plate 253a and the plug-in plate 253b are matched, the plug-in plate 253b can only move up and down in the clamping groove of the slot plate 253a, and other detachable connecting structures can also be used between the end cover 23 and the support plate 252.

[0047] In some embodiments, as shown in the drawings, Figure 4 As shown, the hot blast stove body 1 is provided with a spoiler assembly 3 at the gas outlet end, the spoiler assembly 3 is used to prolong the heating time of external air in the hot blast stove body 1, the spoiler assembly 3 comprises a gas collecting shell 31, a support rod 32 and a spoiler plate 33, the gas collecting shell 31 is provided with a bolt 311, the gas collecting shell 31 is connected with the hot blast stove body 1 through the bolt 311, the support rods 32 are symmetrically distributed based on the gas collecting shell 31, the spoiler plate 33 is fixedly connected with the outer periphery of the support rod 32, and the spoiler plate 33 is located in the inner cavity of the hot blast stove body 1.

[0048] Specifically, the gas collecting shell 31 is installed at the gas outlet end of the hot blast stove body 1, the bolts 311 are uniformly distributed along the gas collecting shell 31 to increase the sealing performance of the connection between the gas collecting shell 31 and the hot blast stove body 1, the support rods 32 are provided in two, and the spoiler plate 33 is located between the combustion chamber 11 and the shell of the hot blast stove body 1.

[0049] In some embodiments, as shown in the drawings, Figure 4 As shown, the spoiler plates 33 are uniformly distributed along the support rods 32.

[0050] Specifically, the number of the spoiler plates 33 is not limited, there are gaps between the spoiler plates 33 and the combustion chamber 11 and the hot blast stove body 1, the spoiler plates 33 can only slow down the flow speed of air and cannot retain air, and the outer wall of the spoiler plate 33 is processed with a texture to adsorb impurities in the air.

[0051] In some embodiments, as shown in the drawings, Figure 5 As shown, a tapered through hole is processed in the gas collecting shell 31.

[0052] Specifically, the tapered through hole in the gas collecting shell 31 facilitates the concentrated discharge of heated gas.

[0053] In some embodiments, as shown in the drawings, Figure 3 As shown, the fixing piece 254 comprises a clamp 254a and a positioning pin 254b, the clamp 254a is fixedly connected with the telescopic piece 251, and the clamp 254a is connected with the base of the hot blast stove body 1 through the positioning pin 254b.

[0054] The clamps 254a are matched with the telescopic member 251, and each of the clamps 254a is provided with four positioning pins 254b, and the outer wall of each of the positioning pins 254b is provided with threads.

[0055] In some embodiments, as shown in Figure 3 the telescopic member 251 is a hydraulic rod.

[0056] The telescopic member 251 is designed as a hydraulic rod, which facilitates the separation of the end cover 23 and the filter shell 22 for the replacement of the filter element 231, and in addition, under the premise of meeting the quick opening and closing of the end cover 23 and the filter shell 22, the telescopic member 251 can also be replaced by other telescopic structures.

[0057] In some embodiments, as shown in Figure 2 the air inlet member 24 comprises a flow guide shell 241 and a fan joint 242, the flow guide shell 241 is in communication with the filter shell 22, the fan joint 242 is in communication with the side of the flow guide shell 241 away from the filter shell 22, and the end of the flow guide shell 241 away from the fan joint 242 is expanded.

[0058] The filter shell 22 is provided with a limiting groove matched with the flow guide shell 241, and the fan joint 242 is used to connect with an external air blower, and the air entering the fan joint 242 is diffused along the cavity of the flow guide shell 241 to enter the filter shell 22.

[0059] In some embodiments, as shown in Figure 1 the hot blast stove body 1 is provided with a combustion chamber 11, and the inner cavity of the combustion chamber 11 is provided with a mesh plate 12.

[0060] The fuel is combusted in the combustion chamber 11 to generate heat, and the design of the mesh plate 12 prevents impurities in the external gas from entering the combustion chamber 11.

[0061] The working principle of the present application will be described below with a preferred embodiment:

[0062] The external air is introduced into the filter shell 22 by the external air blower through the fan joint 242 and the flow guide shell 241 under the action of the air blower, the air enters into the air inlet pipe 21 through the filter core 231, the corrugated filter core 231 adsorbs the impurities in the air to reduce the impurities entering into the hot blast stove body 1, when the filter core 231 needs to be cleaned, the telescopic part 251 is started, the output end of the telescopic part 251 drives the supporting plate 252 to move, the supporting plate 252 drives the end cover 23 and the filter shell 22 to separate through the connecting part 253, the plug-in plate 253b is moved up in the groove plate 253a, the plug-in plate 253b and the groove plate 253a are separated and the end cover 23 is disassembled, the external air enters into the hot blast stove body 1 at the same time, the fuel is burned in the combustion chamber 11, the spoiler 33 between the combustion chamber 11 and the shell of the hot blast stove body 1 slows down the flow speed of the air, thereby prolonging the residence time of the air in the hot blast stove body 1, the gas after being heated enters into the gas bundle shell 31, enters into the external pipeline through the gas bundle shell 31 for use, the bolt 311 is rotated and separated from the hot blast stove body 1, the gas bundle shell 31 is moved transversely and separated from the hot blast stove body 1, the spoiler 33 is moved by the two supporting rods 32, and after the spoiler 33 is separated from the hot blast stove body 1, the impurities attached to the spoiler 33 are cleaned.

[0063] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A direct gas-fired air heater comprising an air heater body (1), characterized in that, The air inlet end of the hot blast stove body (1) is provided with a foreign matter removing assembly (2) for filtering solid impurities mixed in external air; The foreign matter removing assembly (2) comprises an air inlet pipe (21), a filter shell (22), an end cover (23) and an air inlet member (24); The air inlet pipe (21) is in communication with the air inlet end of the hot blast stove body (1), the filter shell (22) is in communication with one end of the air inlet pipe (21) away from the hot blast stove body (1), the end cover (23) is used for closing the filter shell (22), the end cover (23) is provided with filter cores (231), the filter cores (231) are located in cavities of the filter shell (22), one end of the filter shell (22) away from the air inlet pipe (21) is provided with the air inlet member (24), and the air inlet member (24) is used for being connected with an external air blower to guide external air into the inner cavity of the filter shell (22); The filter cores (231) are uniformly distributed along the end cover (23), and the filter cores (231) are processed in a wavy shape.

2. A direct gas-fired hot air furnace as set forth in claim 1 wherein, The end cover (23) is provided with an opening and closing member (25) for controlling the opening and closing between the end cover (23) and the filter shell (22); The opening and closing member (25) comprises a telescopic member (251), a support plate (252), a connecting member (253) and a fixing member (254); The telescopic member (251) is connected with the base of the hot blast stove body (1) through the fixing member (254), the support plate (252) is fixedly connected with the output end of the telescopic member (251), and the support plate (252) is connected with the end cover (23) through the connecting member (253).

3. A direct gas-fired heater as set forth in claim 2 wherein, The connecting member (253) comprises a groove plate (253a) and a plug-in plate (253b); The groove plate (253a) is fixedly connected with the support plate (252), the plug-in plate (253b) is plugged into the clamping groove of the groove plate (253a), and one end of the plug-in plate (253b) away from the groove plate (253a) is fixedly connected with the end cover (23).

4. A direct gas-fired hot air furnace as set forth in claim 1 wherein, The air outlet end of the hot blast stove body (1) is provided with a turbulence assembly (3) for prolonging the heating time of external air in the hot blast stove body (1); The turbulence assembly (3) comprises a gas guiding shell (31), a support rod (32) and a turbulence plate (33); The gas guiding shell (31) is connected with the hot blast stove body (1) through bolts (311), the support rods (32) are symmetrically distributed based on the gas guiding shell (31), the turbulence plate (33) is fixedly connected with the outer periphery of the support rod (32), and the turbulence plate (33) is located in the inner cavity of the hot blast stove body (1).

5. A direct gas-fired heater as set forth in claim 4 wherein, The turbulence plate (33) is uniformly distributed along the support rod (32).

6. A direct gas-fired heater as set forth in claim 4 wherein, A tapered through hole is formed in the gas guiding shell (31).

7. A direct gas-fired heater as set forth in claim 2 wherein, The fixing member (254) comprises a clamp (254a) and a positioning pin (254b). The clamping hoop (254a) is fixedly connected with the telescopic piece (251), and the clamping hoop (254a) is connected with the base of the hot blast stove body (1) through the positioning pin (254b).

8. A direct gas-fired heater as set forth in claim 2 wherein, The telescopic piece (251) is a hydraulic rod.

9. A direct gas-fired heater as set forth in claim 1 wherein, The air inlet piece (24) comprises a flow guide shell (241) and a fan joint (242). The flow guide shell (241) is communicated with the filter shell (22), and the fan joint (242) is communicated with one side of the flow guide shell (241) away from the filter shell (22). The end of the flow guide shell (241) away from the fan joint (242) is expanded.

10. A direct gas-fired heater as set forth in claim 1 wherein, The hot blast stove body (1) is provided with a combustion chamber (11), and the inner cavity of the combustion chamber (11) is provided with a mesh plate (12).

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