CN204469593U - The former powder pretreatment unit of a kind of metal smelt additive - Google Patents
The former powder pretreatment unit of a kind of metal smelt additive Download PDFInfo
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- CN204469593U CN204469593U CN201520100207.6U CN201520100207U CN204469593U CN 204469593 U CN204469593 U CN 204469593U CN 201520100207 U CN201520100207 U CN 201520100207U CN 204469593 U CN204469593 U CN 204469593U
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Abstract
The utility model relates to the former powder pretreatment unit of a kind of metal smelt additive, comprises frame, the steam generator be fixedly installed in frame, spiral mixer and be arranged on the heating chamber that spiral mixer is communicated with steam generator; The steam (vapor) outlet of described steam generator is communicated with heating chamber by jet chimney, described heating chamber is sleeved on the batch mixing segment of housing, described batch mixing segment is between the charging aperture and discharging opening of housing, described screw propulsion sheet is provided with more than one breach, so just can reduce the consumption of adhesive, reduce the briquetting pressure of additive block, the active ingredient of block of making to feed intake improves, can meet when dropping into metallic solution and melt gradually from top to bottom, additive block is not piled up and is scattered evenly, increase additivated effective utilization, avoid burning and secondary to throw in.
Description
Technical field
The utility model relates to a kind of mixing device, specifically the former powder pretreatment unit of a kind of metal smelt additive.
Background technology
Along with the progress of science and technology, all can throw in additive during metal smelt, improve the character of metal, some additive is the performance increasing metal; Because the metal liquid of melting compares thickness, metallic addition is all block, is thrown in by smelting furnace fire door, and from metal liquid upper surface, sinking limit in limit is melted, then the additive melted has an impact to metallic solution, but comprises metal powder, additive powder and adhesive due to additive block; Wherein adhesive to metal without any effect, just play and make metal powder and the shaping effect of additive, loose without adhesive additive block, can not effectively additive be taken a walk to uniformly in whole molten metal, even if adhesive can not be practical excessive when existing production, therefore in order to make additive block not fall apart, during making, pressure will become large, therefore the additive block produced is harder, after input, can form accumulation in furnace bottom; Effectively can not utilize additive; Cause extend the duration of heat and cause energy serious waste; And smelting time punishes severely the change that also can cause metalline; What is more also will carry out secondary batching.Need the additive block that a kind of additive is few, hardness is moderate.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of and can make the former powder mixing arrangement of metal smelt additive that additive block additive level is few, hardness is moderate.
For solving the problem, technical solution adopted in the utility model is:
The former powder pretreatment unit of a kind of metal smelt additive, it comprises frame, the steam generator be fixedly installed in frame, spiral mixer and be arranged on the heating chamber that spiral mixer is communicated with steam generator; Also comprise the storage tank be fixedly installed in frame, described storage tank is communicated with steam generator by water supply line, and described water supply line is provided with check valve; The steam (vapor) outlet of described steam generator is communicated with heating chamber by jet chimney, described spiral mixer comprises housing, be inserted into housing in by motor-driven roller bearing and the charging aperture and the discharging opening that are separately positioned on housing two ends, described roller bearing is provided with screw propulsion sheet, described heating chamber is sleeved on the batch mixing segment of housing, described batch mixing segment, between the charging aperture and discharging opening of housing, described screw propulsion sheet is provided with more than one breach; Described jet chimney is communicated with the top of the discharging opening side of heating chamber; Bottom described heating chamber, charging aperture side is provided with discharge outlet, described discharge outlet is communicated with storage tank by return pipe; Described return pipe is provided with backwater check valve.
Furtherly, the outer wall that described spiral mixer is positioned at heating chamber is provided with conducting strip, and described conducting strip is extended to discharge outlet by steam inlet.
Furtherly, described motor is electromagnetic adjustable speed motor.
The beneficial effect adopting technique scheme to produce is: additive, metal powder and adhesive mix by spiral mixer under motor drives, roller bearing drives impelling sheet to promote mixing limit, powder limit to enter the pressurizing unit of next flow process, and when batch mixing, the steam of steam generator enters heating chamber by jet chimney; Add hot premixed charge by heat exchange, entered forming machine shaping formation additive block by the premix of heating; Impelling sheet arranges breach can delay the time of premix in blender, make premix heat more evenly, more abundant; By additive, the metal powder coefficient of expansion heated do not coexist shaping cooling time retraction volume also different, such additive, metal powder connect when cooling meat can be tightr than normal temperature compressed connection, so just can reduce the consumption of adhesive, reduce the briquetting pressure of additive block, the active ingredient of block of making to feed intake improves, can meet when dropping into metallic solution and melt gradually from top to bottom, additive block is not piled up and is scattered evenly, increases additivated effective utilization, avoids burning and secondary to throw in.Arrange storage tank in steam generator upstream, so both ensure that the stability and safety of steam generator is run, water making device maintenance also can not affect steam generator, and check valve can avoid the water generation adverse current in steam generator.Bottom arranges the condensate water delivery port of steam; Heating intracavity gas is circulated smooth and easy, the water of condensation is discharged as early as possible.
Batch mixer outer wall arranges conducting strip can increase heat exchanger effectiveness, and conducting strip is extended to discharge outlet by steam inlet, and form air guide and heat exchange effect, premix is contrary with steam flow, increases heat exchange efficiency, improves discharging speed.
Motor uses electromagnetic adjustable speed motor can control the fltting speed of premix according to discharging opening powder temperature.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 is the utility model heating chamber structural representation;
Accompanying drawing 3 is the utility model impelling sheet structural representation;
In the accompanying drawings: 1 frame, 2 steam generators, 21 jet chimneys, 3 spiral mixers, 31 charging apertures, 32 housings, 33 motors, 34 roller bearings, 35 impelling sheets, 36 breach, 37 discharging openings, 38 conducting strips, 4 heating chambers, 41 discharge outlet, 42 return pipes, 43 backwater check valves, 5 storage tanks, 51 water supply lines, 52 check valves.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed further describing is carried out to the utility model.
As illustrated in the accompanying drawings from 1 to 3, the former powder pretreatment unit of a kind of metal smelt additive, it comprises frame 1, the steam generator 2 be fixedly installed in frame 1, spiral mixer 3 and be arranged on the heating chamber 4 that spiral mixer 3 is communicated with steam generator 2, also comprise the storage tank 5 be fixedly installed in frame 1, described storage tank 5 is communicated with steam generator 2 by water supply line 51, and described water supply line 51 is provided with check valve 52, the steam (vapor) outlet of described steam generator 2 is communicated with heating chamber 4 by jet chimney 21, described spiral mixer 3 comprises housing 32, be inserted into the roller bearing 34 and the charging aperture 31 being separately positioned on housing 32 two ends and discharging opening 37 that are driven by motor 33 in housing 32, described roller bearing 34 is provided with screw propulsion sheet 35, described heating chamber 4 is sleeved on the batch mixing segment of housing 32, described batch mixing segment is between the charging aperture 31 and discharging opening 37 of housing 32, described screw propulsion sheet 35 is provided with more than one breach 36, the position that described impelling sheet 35 arranges breach 36 is corresponding with the position of heating chamber 4, described jet chimney 21 is communicated with the top of discharging opening 37 side of heating chamber 4, described heating chamber 4 bottom feed mouth 31 side is provided with discharge outlet 41, and described discharge outlet 41 is communicated with storage tank 5 by return pipe 42, described return pipe 42 is provided with backwater check valve 43.
Additive, metal powder and adhesive mix by spiral mixer under motor drives, roller bearing drives impelling sheet to promote mixing limit, powder limit to enter the pressurizing unit of next flow process, and when batch mixing, the steam of steam generator enters heating chamber by jet chimney; Add hot premixed charge by heat exchange, entered forming machine shaping formation additive block by the premix of heating; Impelling sheet arranges breach can delay the time of premix in blender, make premix heat more evenly, more abundant; By additive, the metal powder coefficient of expansion heated do not coexist shaping cooling time retraction volume also different, such additive, metal powder connect when cooling meat can be tightr than normal temperature compressed connection, so just can reduce the consumption of adhesive, reduce the briquetting pressure of additive block, the active ingredient of block of making to feed intake improves, can meet when dropping into metallic solution and melt gradually from top to bottom, additive block is not piled up and is scattered evenly, increases additivated effective utilization, avoids burning and secondary to throw in.Arrange storage tank in steam generator upstream, so both ensure that the stability and safety of steam generator is run, water making device maintenance also can not affect steam generator, and check valve can avoid the water generation adverse current in steam generator.Bottom arranges the condensate water delivery port of steam; Heating intracavity gas is circulated smooth and easy, the water of condensation is discharged as early as possible.
The outer wall that spiral mixer 3 is positioned at heating chamber 4 is provided with conducting strip 38, and described conducting strip 38 is extended to discharge outlet 41 by steam inlet.Batch mixer outer wall arranges conducting strip can increase heat exchanger effectiveness, and conducting strip is extended to discharge outlet by steam inlet, and form air guide and heat exchange effect, premix is contrary with steam flow, increases heat exchange efficiency, improves discharging speed.
Motor 33 is electromagnetic adjustable speed motors.Motor uses electromagnetic adjustable speed motor can control the fltting speed of premix according to discharging opening powder temperature.
During use, open steam generator 2, the steam produced enters heating chamber 4 through jet chimney 21, heat is passed in spiral mixer 3 by conducting strip 38 and housing 32 by steam, steam enters by above discharging direction, go out below feedstock direction, adverse current is formed with premix, metal powder, additive and adhesive enter spiral mixer 3 by charging aperture 31, premix is pushed to the heated zones of heating chamber 4 under the effect of impelling sheet 35, the impelling sheet 35 being positioned at heated zones arranges breach 36, mixing time and the heat time of premix can be increased like this, eventually passing discharging opening 37, to enter forming machine shaping, the condensate water that steam in heating chamber 4 condenses through supercooling is discharged by discharge outlet, imported in storage tank 5 by return pipe 42 again.The part that the housing 32 of spiral mixer 3 runs through heating chamber 4 is heated zones, the conveying worm that spiral mixer 3 is driven by motor 33 exactly, but due to the powder that charging aperture 31 is metal powder, adhesive and additive, discharging opening 37 is mixed premix, therefore be spiral mixer, premix refers to the batching needing before the forming to be pre-mixed.
The water level of discharge outlet is higher than the water level of storage tank and steam generator, the water of condensation flows directly into storage tank 5, the vapor stream of circulation enters storage tank 5, to the water preheat in storage tank 5, form recuperation of heat, discharged by the spillway hole of storage tank 5 after air-flow carries out heat exchange, return pipe 42 is provided with backwater check valve 43, anti-sealing adverse current.
During device work, storage tank 5 is supplied water for steam generator 2 by water supply line 51, the anti-sealing adverse current of check valve 52, the thermometer that steam generator is arranged, Pressure gauge, air bleeding valve, safety valve and outlet pressure control valve are all that steam generator is intrinsic, seldom repeat at this.
The above embodiment is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the utility model.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the utility model principle and spirit, all should be contemplated as falling with within claims of the present utility model.
Claims (3)
1. the former powder pretreatment unit of metal smelt additive, is characterized in that: it comprises frame (1), the steam generator (2) be fixedly installed in frame (1), spiral mixer (3) and be arranged on the upper heating chamber (4) be communicated with steam generator (2) of spiral mixer (3), also comprise the storage tank (5) be fixedly installed in frame (1), described storage tank (5) is communicated with steam generator (2) by water supply line (51), and described water supply line (51) is provided with check valve (52), the steam (vapor) outlet of described steam generator (2) is communicated with heating chamber (4) by jet chimney (21), described spiral mixer (3) comprises housing (32), be inserted into the roller bearing (34) and the charging aperture (31) being separately positioned on housing (32) two ends and discharging opening (37) that are driven by motor (33) in housing (32), described roller bearing (34) is provided with screw propulsion sheet (35), described heating chamber (4) is sleeved on the batch mixing segment of housing (32), described batch mixing segment is positioned between the charging aperture (31) of housing (32) and discharging opening (37), described screw propulsion sheet (35) is provided with more than one breach (36), described jet chimney (21) is communicated with the top of discharging opening (37) side of heating chamber (4), described heating chamber (4) bottom is provided with discharge outlet (41) in charging aperture (31) side, and described discharge outlet (41) is communicated with storage tank (5) by return pipe (42), described return pipe (42) is provided with backwater check valve (43).
2. the former powder pretreatment unit of a kind of metal smelt additive according to claim 1, it is characterized in that: the outer wall that described spiral mixer (3) is positioned at heating chamber (4) is provided with conducting strip (38), and described conducting strip (38) is extended to discharge outlet (41) by steam inlet.
3. the former powder pretreatment unit of a kind of metal smelt additive according to claim 1 and 2, is characterized in that: described motor (33) is electromagnetic adjustable speed motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100207.6U CN204469593U (en) | 2015-02-12 | 2015-02-12 | The former powder pretreatment unit of a kind of metal smelt additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100207.6U CN204469593U (en) | 2015-02-12 | 2015-02-12 | The former powder pretreatment unit of a kind of metal smelt additive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204469593U true CN204469593U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520100207.6U Active CN204469593U (en) | 2015-02-12 | 2015-02-12 | The former powder pretreatment unit of a kind of metal smelt additive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204469593U (en) |
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2015
- 2015-02-12 CN CN201520100207.6U patent/CN204469593U/en active Active
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