CN213599853U

CN213599853U - Smelting furnace for additive manufacturing

Info

Publication number: CN213599853U
Application number: CN202022764324.6U
Authority: CN
Inventors: 何博
Original assignee: Suzhou Ammett Laser Technology Co ltd
Current assignee: Suzhou Ammett Laser Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-02
Anticipated expiration: 2030-11-25

Abstract

A smelting furnace for additive manufacturing comprises a smelting furnace, a dust removing device, a purifying device and a circulating pump; the air inlet end of the first connecting pipe is arranged on the first smoke collecting pipe, the air outlet end of the first connecting pipe is communicated with the dust removing equipment, the smoke dust box is provided with a filter screen for filtering particles in smoke, and the dust collecting box is arranged on the smoke dust box and is positioned below the filter screen; the first heat exchange tube is arranged on the smelting furnace, the second heat exchange tube is arranged on the purified liquid cylinder, and the liquid outlet end of the second heat exchange tube is connected with the liquid inlet end of the first heat exchange tube; the liquid inlet end of the circulating pump is communicated with the liquid outlet end of the first heat exchange tube; the drying net is arranged on the purifying liquid cylinder in a sliding mode, and the second smoke collecting hopper is arranged on the purifying liquid cylinder and presses the limiting ring; the air dispersion plate is arranged on the second connecting pipe. The utility model discloses can prevent that purifier from blockking up, be used for heating the purifying liquid through hot exchange pipe with smelting furnace work waste heat for reaction rate, environmental protection more, and increase reaction area, improvement purification efficiency.

Description

Smelting furnace for additive manufacturing

Technical Field

The utility model relates to a vibration material disk technical field especially relates to a smelting furnace for vibration material disk.

Background

Additive manufacturing is commonly known as 3D printing, and is a manufacturing technology which integrates computer aided design, material processing and forming technology, is based on a digital model file, and is used for stacking special metal materials, non-metal materials and medical biological materials layer by layer through software and a numerical control system according to modes of extrusion, sintering, melting, photocuring, spraying and the like to manufacture solid objects. Additive manufacturing typically requires the use of a melting furnace for melting the metallic feedstock to provide printing feedstock to the additive manufacturing. The traditional smelting furnace has fuel heating and electric heating, and as more flue gas is generated during smelting, the flue gas contains more dust particles and toxic gas, if the flue gas is directly discharged, certain pollution is caused to air, the normal breathing of workers is greatly influenced, and the harmfulness is high; at present, the purification treatment effect of the polluted gas generated by the working of the smelting furnace is not ideal enough, a purification net is easy to block, and the smelting furnace has a large amount of heat energy loss and is not environment-friendly enough; in order to solve the above problems, the present application provides a melting furnace for additive manufacturing.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a smelting furnace for additive manufacturing can be with smoke and dust through the gas dish that looses after filtering in the purify liquid fully dissolving the processing, prevents purifier and blocks up, is used for heating the purify liquid through hot exchange pipe with smelting furnace work waste heat for reaction rate, environmental protection more, and the gas pocket that looses on the gas dish cuts gas, increases reaction area, improves purification efficiency.

(II) technical scheme

The utility model provides a smelting furnace for additive manufacturing, which comprises a smelting furnace, a first tobacco collecting pipe, a first heat exchange pipe, a first connecting pipe, a second connecting pipe, a dust removing device, a purifying device, a circulating pump, a connecting water pipe and a water inlet pipe;

the first smoke collecting pipe is arranged on the smelting furnace, the air inlet end of the first connecting pipe is arranged on the first smoke collecting pipe, and the air outlet end of the first connecting pipe is communicated with dust removing equipment, wherein the dust removing equipment comprises a smoke dust box and a dust collecting box; the dust box is provided with a filter screen for filtering particles in the smoke, and the dust box is arranged on the dust box and is positioned below the filter screen; the first connecting pipe extends into the smoke dust box and is positioned between the filter screen and the dust collecting box, the second connecting pipe is communicated with the smoke dust box, and the air inlet end of the second connecting pipe is positioned above the filter screen;

the purification device comprises a second tobacco collecting pipe, a purification liquid cylinder, a second heat exchange pipe, a drying net, a limiting ring, a fixing piece, an air diffusing disc and an air outlet pipe; the first heat exchange tube is arranged on the smelting furnace, the second heat exchange tube is arranged on the purified liquid cylinder, and the liquid outlet end of the second heat exchange tube is connected with the liquid inlet end of the first heat exchange tube; the liquid inlet end of the circulating pump is communicated with the liquid outlet end of the first heat exchange tube, and the connecting water pipe is arranged at the liquid inlet end of the second heat exchange tube and is communicated with the liquid outlet end of the circulating pump; the water inlet pipe is arranged on the connecting water pipe and communicated with the water tank; the fixing piece is arranged at the bottom of the purified liquid cylinder; the drying net is arranged on the purified liquid cylinder in a sliding mode, and the limiting ring is arranged on the drying net and hung on the purified liquid cylinder; the second smoke collecting hopper is arranged on the purifying liquid cylinder and presses the limiting ring; the air outlet end of the second connecting pipe penetrates through the second tobacco collecting pipe and the drying net and extends into the liquid in the purified liquid cylinder; the air dispersion disc is arranged on the second connecting pipe and is positioned in the liquid in the purified liquid cylinder; the air outlet pipe is arranged on the second tobacco collecting pipe and communicated with the outside.

Preferably, the dust collecting box is detachably connected with the smoke box, and a sealing ring is arranged between the dust collecting box and the smoke box.

Preferably, the water inlet pipe is provided with a flow control valve.

Preferably, the fixing piece is detachably connected with the purifying liquid cylinder, and a sealing ring is arranged between the fixing piece and the purifying liquid cylinder.

Preferably, the gas diffusion plate is provided with a plurality of groups of first gas diffusion holes and a plurality of groups of second gas diffusion holes for dispersing gas into small bubbles.

Preferably, the filter screen is detachably connected with the smoke box.

Preferably, the air outlet end of the air outlet pipe is provided with an activated carbon assembly.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: when the device works, materials in the smelting furnace are melted and pollution gas is generated, then the gas enters the smoke dust box through the first smoke collecting pipe and the first connecting pipe, particles in the gas are filtered by the filter screen arranged in the smoke dust box, and then the accumulated particles are collected through the dust collecting box; then, the gas enters the purifying liquid cylinder through the second connecting pipe, and is cut into a plurality of small bubbles through a plurality of groups of first gas dispersing holes and second gas dispersing holes on the gas dispersing plate, so that the contact area between the gas and the solution is increased; meanwhile, the first heat exchange tube absorbs the heat of the smelting furnace and heats the liquid, then the circulating pump works and conveys the hot water to the second heat exchange tube, and the second heat exchange tube heats the purified liquid in the purified liquid cylinder, so that the temperature of the purified liquid is improved, and the reaction rate is accelerated; finally, the fixing piece and the dust collection box are periodically disassembled to be cleaned and maintained; the utility model discloses can with the smoke and dust through the gas dish that looses after filtering fully dissolve in melting into the scavenging solution and handle, prevent that purifier from blockking up, be used for heating the scavenging solution through hot exchange pipe with smelting furnace work waste heat for reaction rate, environmental protection more, and the gas pocket that looses on the gas dish cuts gas, increases reaction area, improves purification efficiency.

Drawings

Fig. 1 is a schematic structural view of a melting furnace for additive manufacturing according to the present invention.

Fig. 2 is a schematic sectional structural view of a purification device in a smelting furnace for additive manufacturing according to the present invention.

Fig. 3 is a schematic sectional structure view of a dust removal device in a smelting furnace for additive manufacturing according to the present invention.

Fig. 4 is a schematic structural diagram of an air diffusing plate in a melting furnace for additive manufacturing according to the present invention.

Reference numerals: 1. a smelting furnace; 2. a first tobacco collecting pipe; 3. a first heat exchange tube; 4. a first connecting pipe; 5. a second connecting pipe; 6. a dust removal device; 7. a purification device; 8. a circulation pump; 9. connecting a water pipe; 10. a water inlet pipe; 11. a second tobacco collecting pipe; 12. a purified liquid cylinder; 13. a second heat exchange tube; 14. drying the net; 15. a limiting ring; 16. a fixing member; 17. a gas diffusion plate; 18. an air outlet pipe; 19. a dust box; 20. a filter screen; 21. a dust collecting box; 22. a first air dispersing hole; 23. a second air dispersing hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the melting furnace for additive manufacturing provided by the present invention comprises a melting furnace 1, a first tobacco collecting pipe 2, a first heat exchange pipe 3, a first connection pipe 4, a second connection pipe 5, a dust removing device 6, a purifying device 7, a circulation pump 8, a connection water pipe 9 and a water inlet pipe 10;

the first tobacco collecting pipe 2 is arranged on the smelting furnace 1, the air inlet end of the first connecting pipe 4 is arranged on the first tobacco collecting pipe 2, and the air outlet end of the first connecting pipe 4 is communicated with the dust removing device 6, wherein the dust removing device 6 comprises a smoke box 19 and a dust collecting box 21; a filter screen 20 for filtering particles in the smoke is arranged on the smoke box 19, and a dust collecting box 21 is arranged on the smoke box 19 and is positioned below the filter screen 20; the first connecting pipe 4 extends into the smoke dust box 19 and is positioned between the filter screen 20 and the dust collecting box 21, the second connecting pipe 5 is communicated with the smoke dust box 19, and the air inlet end of the second connecting pipe 5 is positioned above the filter screen 20;

the purification device 7 comprises a second tobacco collecting pipe 11, a purified liquid cylinder 12, a second heat exchange pipe 13, a drying net 14, a limiting ring 15, a fixing piece 16, an air dispersing disc 17 and an air outlet pipe 18; the first heat exchange tube 3 is arranged on the smelting furnace 1, the second heat exchange tube 13 is arranged on the purified liquid cylinder 12, and the liquid outlet end of the second heat exchange tube 13 is connected with the liquid inlet end of the first heat exchange tube 3; the liquid inlet end of the circulating pump 8 is communicated with the liquid outlet end of the first heat exchange tube 3, and the connecting water pipe 9 is arranged at the liquid inlet end of the second heat exchange tube 13 and is communicated with the liquid outlet end of the circulating pump 8; the water inlet pipe 10 is arranged on the connecting water pipe 9 and communicated with the water tank; the fixing piece 16 is arranged at the bottom of the purified liquid cylinder 12; the drying net 14 is arranged on the purified liquid cylinder 12 in a sliding mode, and the limiting ring 15 is arranged on the drying net 14 and hung on the purified liquid cylinder 12; the second tobacco collecting pipe 11 is arranged on the purified liquid cylinder 12 and presses the limiting ring 15; the air outlet end of the second connecting pipe 5 passes through the second tobacco collecting pipe 11 and the drying net 14 and extends into the liquid in the purified liquid cylinder 12; the air dispersion disc 17 is arranged on the second connecting pipe 5 and is positioned in the liquid in the purifying liquid cylinder 12; the air outlet pipe 18 is arranged on the second tobacco collecting pipe 11 and communicated with the outside.

In an alternative embodiment, the dust collecting box 21 is detachably connected to the smoke box 19, and a sealing ring is arranged between the dust collecting box 21 and the smoke box 19, so that dust particles in the dust collecting box 21 can be cleaned conveniently, and the pollution gas can be prevented from overflowing.

In an alternative embodiment, the inlet conduit 10 is provided with a flow control valve for controlling the inlet of water.

In an alternative embodiment, the fixing member 16 is detachably connected to the purifying liquid cylinder 12, and a sealing ring is disposed between the fixing member 16 and the purifying liquid cylinder 12 to facilitate cleaning of the purifying liquid cylinder 12 and the air diffusion plate 17.

In an alternative embodiment, the gas diffusion plate 17 is provided with a plurality of groups of first gas diffusion holes 22 and a plurality of groups of second gas diffusion holes 23 for dispersing the gas into small bubbles, so that the contact area of the gas is increased, and the reaction rate is increased.

In an alternative embodiment, the filter screen 20 is detachably connected to the smoke box 19, so as to facilitate replacement and cleaning.

In an alternative embodiment, the outlet end of the outlet pipe 18 is provided with an activated carbon component for removing the odor of the gas.

In the utility model, during operation, the melting material in the melting furnace 1 melts and generates pollution gas, then the gas enters the smoke dust box 19 through the first smoke collecting pipe 2 and the first connecting pipe 4, the filter screen 20 arranged in the smoke dust box 19 filters particles in the gas, and then the accumulated particles are collected through the dust collecting box 21; then, the gas enters the purifying liquid cylinder 12 through the second connecting pipe 5, and is divided into a plurality of small bubbles through a plurality of groups of first air dispersing holes 22 and second air dispersing holes 23 on the air dispersing disc 17, so that the contact area between the gas and the solution is increased; meanwhile, the first heat exchange tube 3 absorbs the heat of the smelting furnace 1 and heats the liquid, then the circulating pump 8 works and conveys the hot water to the second heat exchange tube 13, and at the moment, the second heat exchange tube 13 heats the purified liquid in the purified liquid barrel 12, so that the temperature of the purified liquid is improved, and the reaction rate is accelerated; finally, the fixing piece 16 and the dust collection box 21 are periodically disassembled to be cleaned and maintained; the utility model discloses can with the smoke and dust through the gas dish that looses after filtering fully dissolve in melting into the scavenging solution and handle, prevent that purifier from blockking up, be used for heating the scavenging solution through hot exchange pipe with smelting furnace work waste heat for reaction rate, environmental protection more, and the gas pocket that looses on the gas dish cuts gas, increases reaction area, improves purification efficiency.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The smelting furnace for additive manufacturing is characterized by comprising a smelting furnace (1), a first tobacco collecting pipe (2), a first heat exchange pipe (3), a first connecting pipe (4), a second connecting pipe (5), dust removing equipment (6), a purifying device (7), a circulating pump (8), a connecting water pipe (9) and a water inlet pipe (10); the first tobacco collecting pipe (2) is arranged on the smelting furnace (1), the air inlet end of the first connecting pipe (4) is arranged on the first tobacco collecting pipe (2), and the air outlet end of the first connecting pipe (4) is communicated with the dust removing device (6), wherein the dust removing device (6) comprises a smoke dust box (19) and a dust collecting box (21); a filter screen (20) for filtering particles in the smoke is arranged on the smoke box (19), and a dust collection box (21) is arranged on the smoke box (19) and is positioned below the filter screen (20); the first connecting pipe (4) extends into the smoke box (19) and is positioned between the filter screen (20) and the dust collecting box (21), the second connecting pipe (5) is communicated with the smoke box (19), and the air inlet end of the second connecting pipe (5) is positioned above the filter screen (20); the purification device (7) comprises a second tobacco collecting pipe (11), a purification liquid cylinder (12), a second heat exchange pipe (13), a drying net (14), a limiting ring (15), a fixing piece (16), an air diffusing disc (17) and an air outlet pipe (18); the first heat exchange tube (3) is arranged on the smelting furnace (1), the second heat exchange tube (13) is arranged on the purified liquid cylinder (12), and the liquid outlet end of the second heat exchange tube (13) is connected with the liquid inlet end of the first heat exchange tube (3); the liquid inlet end of the circulating pump (8) is communicated with the liquid outlet end of the first heat exchange tube (3), and the connecting water tube (9) is arranged at the liquid inlet end of the second heat exchange tube (13) and is communicated with the liquid outlet end of the circulating pump (8); the water inlet pipe (10) is arranged on the connecting water pipe (9) and is communicated with the water tank; the fixing piece (16) is arranged at the bottom of the purified liquid cylinder (12); the drying net (14) is arranged on the purified liquid cylinder (12) in a sliding manner, and the limiting ring (15) is arranged on the drying net (14) and hung on the purified liquid cylinder (12); the second tobacco collecting pipe (11) is arranged on the purified liquid cylinder (12) and presses the limiting ring (15); the air outlet end of the second connecting pipe (5) passes through the second tobacco collecting pipe (11) and the drying net (14) and extends into the liquid in the purified liquid cylinder (12); the air dispersion disc (17) is arranged on the second connecting pipe (5) and is positioned in the liquid in the purified liquid cylinder (12); the air outlet pipe (18) is arranged on the second tobacco collecting pipe (11) and is communicated with the outside.

2. The melting furnace for additive manufacturing according to claim 1, wherein the dust collecting box (21) is detachably connected with the smoke box (19), and a sealing ring is arranged between the dust collecting box (21) and the smoke box (19).

3. The smelting furnace for additive manufacturing according to claim 1, characterized in that the inlet pipe (10) is provided with a flow control valve.

4. The smelting furnace according to claim 1, wherein the fixing member (16) is detachably connected to the purifying liquid cylinder (12), and a sealing ring is arranged between the fixing member (16) and the purifying liquid cylinder (12).

5. The melting furnace for additive manufacturing according to claim 1, wherein the gas dispersing plate (17) is provided with a plurality of groups of first gas dispersing holes (22) and a plurality of groups of second gas dispersing holes (23) for dispersing gas into small bubbles.

6. The smelting furnace according to claim 1, characterized in that the filter screen (20) is detachably connected to the dust box (19).

7. The smelting furnace for additive manufacturing according to claim 1, characterized in that the outlet end of the outlet pipe (18) is provided with an activated carbon assembly.