CN217264881U - Metal oxide powder production system - Google Patents
Metal oxide powder production system Download PDFInfo
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- CN217264881U CN217264881U CN202220522105.3U CN202220522105U CN217264881U CN 217264881 U CN217264881 U CN 217264881U CN 202220522105 U CN202220522105 U CN 202220522105U CN 217264881 U CN217264881 U CN 217264881U
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- oxide powder
- metal oxide
- powder production
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Abstract
The utility model belongs to the field of material preparation, and discloses a metal oxide powder production system, which comprises a feeding device, a metal oxide powder production device, a dust removal device, a conveying device and a material collecting device; the production system further comprises a cooling device and a constant temperature device, the conveying device comprises a first conveying section and a second conveying section for receiving materials of the first conveying section, the cooling device is arranged to be used for cooling the materials on the first conveying section, the constant temperature device is arranged to keep the materials on the second conveying section at a constant temperature, the first conveying section is connected with a discharge hole of the dust removal device, and the second conveying section is connected with a feed inlet of the material collection device. The production system is simple in structural connection relation, convenient and fast to operate, high in automation degree, capable of reducing the working intensity of labor personnel and capable of realizing the controllability of the bulk ratio of metal oxide powder products.
Description
Technical Field
The utility model belongs to the material preparation field, in particular to metal oxide powder production system.
Background
The prior production process of metal oxide powder, particularly cadmium oxide metal powder, mainly has the following problems: (1) the bulk ratio of a metal oxide powder product cannot be controlled, and is mainly adjusted by mechanical grinding and extrusion at present, but the process of mechanical grinding and extrusion easily causes secondary pollution and irreversible damage to the natural environment; (2) a large amount of dust is generated in the production process, and the safety of personnel cannot be guaranteed; (3) the adopted equipment is complex, the operation difficulty is high, and the operation time of workers is long; (4) the equipment has low automation degree, high processing cost, various personnel operation steps, no guarantee on safety and low operation efficiency.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a metal oxide powder production system, this production system structural connection relation is simple, and the simple operation can reduce staff intensity of labour, and has realized the controllability to the pine ratio of metal oxide powder product.
For realizing the purpose of the utility model, the concrete technical proposal is as follows:
a metal oxide powder production system comprises a feeding device, a metal oxide powder production device, a dust removal device, a conveying device and a material collection device;
the metal oxide powder production device is used for receiving metal materials of the feeding device and oxidizing the metal materials into metal oxide powder, the dust removal device is provided with an air suction pipeline and adsorbs the metal oxide powder into the dust removal device through the air suction pipeline, and the materials collected by the dust removal device are conveyed to the material collection device through the conveying device;
the production system further comprises a cooling device and a thermostatic device, wherein:
the conveying device comprises a first conveying section and a second conveying section for receiving materials of the first conveying section, the cooling device is arranged to be used for cooling the materials on the first conveying section, the constant temperature device is arranged to keep the materials on the second conveying section at a constant temperature, the first conveying section is connected with a discharge hole of the dust removal device, and the second conveying section is connected with a feed inlet of the material collection device.
Furthermore, the cooling device comprises a cooling water circulation jacket sleeved on the first conveying section and a cooling water circulation system communicated with the cooling water circulation jacket.
Furthermore, the constant temperature device comprises a constant temperature water circulation jacket sleeved on the second conveying section and a constant temperature water circulation system communicated with the constant temperature water circulation jacket.
The utility model discloses a metal oxide powder production system conveys through conveyer earlier before the material is collected, creatively sets up two sections conveying at conveyer, is refrigerated first conveying section and homothermal second conveying section respectively, because metal oxide dust temperature is higher after dust collector comes out, has direct influence to apparent density (particle size), and the oxide can agglomerate moreover. After the powder material is rapidly cooled to a proper temperature by the first conveying section, the powder material can be more easily scattered, the subsequent processes can be conveniently carried out, and the bulk ratio can be controlled by the temperature; the mixture enters the homogenizer at a constant temperature through the second conveying section, so that the bulk (particle size) during homogenizing is ensured, and the requirements required by a process department are met.
Further, the conveying device is a spiral elevator; the material bulk ratio is adjusted through the discharge opening extrusion of screw elevator, cools off the convenient subsequent process operation of high temperature product step by step, is equipped with the discharge valve of adjustable size at screw elevator's discharge opening, adjusts the extrusion force of material in screw elevator through the size of adjusting the discharge opening, makes it reach the bulk ratio (particle size) requirement of technological requirement.
Further, metal oxide powder apparatus for producing includes melt stove and first heating device, the melt stove includes furnace body, discharge opening and boiling pipe, the burner tip that communicates with discharge opening in proper order, first heating device is used for heating the boiling pipe, the burner tip with outside air intercommunication, and through the exhaust duct with dust collector intercommunication.
It is further preferred that the discharge opening is arranged at the bottom.
Preferably, the first heating device is a high-frequency furnace, the temperature of the high-frequency furnace is rapidly raised, so that molten metal is evaporated and boiled to form high-temperature steam, and the high-temperature steam is sprayed out to contact with air when the internal air pressure is raised and then spontaneously ignites.
Preferably, the outlet of the boiling tube is arranged in an upward inclined mode, the inclined angle is 30-60 degrees, metal automatically flows into the boiling tube after being melted, the horizontal plane of the boiling tube and the horizontal plane of the metal melt in the melting furnace are balanced, the high-frequency furnace is wrapped outside the boiling tube, the wrapping position is preferably the middle of the horizontal plane of the melt in the boiling tube, and the heated metal melt has enough space to form high-temperature steam.
Further preferably, the inner diameter of the burner tip is gradually reduced along the material flow direction, so that the molten metal in an evaporation boiling state is sprayed out of the burner tip and is rapidly oxidized by contacting with air to generate a metal oxide powder material; the burner nozzle is designed into a gradually reduced drawing opening to form a slight pressure-building structure, so that the melt can be smoothly sprayed out when boiling, and the high-temperature steam can quickly self-ignite when contacting with air, so that the product is fully oxidized to form the required metal oxide.
It is further preferred that the outlet of burner is 90 vertical direction upwards setting, because the outlet of burner is that high temperature steam spouts and air contact spontaneous combustion, the slope can not inhale the exhaust duct collection with the oxide powder after the high temperature steam spontaneous combustion well, considers the direction of eruption distance and collection dust, the slope is unfavorable for collecting, the slope is easy to spray the material and is glued on wind cabinet and technology tuber pipe.
It is further preferred the mouth of pipe setting of suction line is directly over the burner tip export, leave the clearance between the mouth of pipe of suction line and the burner tip export, as the oxidation space of blowout metal melt, the powder material that the oxidation generated is absorbed to dust collector in by the suction line, simultaneously, produces the caking on the burner tip easily, reserves the convenient clearance in clearance, and convenient clearance instrument stretches into.
It is further preferred that a waste receiving container for receiving falling agglomerates and powder materials not absorbed as defective products is provided just below the outlet of the burner tip.
Further, the dust removal device comprises a first fan and a plurality of dust removers connected in series, and a discharge port at the bottom of each dust remover is connected with the conveying device through a first conveyor; preferably, a discharge valve is arranged at a discharge port at the bottom of the dust remover.
Further, the material collecting device comprises a homogenizer, a vibrating screen, a collecting box and a second conveyor; preferably, the homogenizer is provided with a weighing module for weighing the material in the homogenizer.
Further, the metal oxide powder production system further comprises a control unit, and the feeding device, the metal oxide powder production device, the dust removal device, the conveying device and the material collection device are all electrically connected with the control unit.
The metal oxide powder production system of the utility model is particularly suitable for the production of cadmium oxide powder.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a metal oxide powder production system automatic production oxidation metal powder, whole production process accessible control unit carries out real-time observation and operation, degree of automation is high, the simple operation, personnel's intensity of labour has been reduced, environmental pollution risk and product pollution risk have been reduced, carry out rationalized oxidation metal powder and collect, and the manufacturing cost has been practiced thrift, production factor of safety and product quality have been improved, easy operation and flexibility are high, high production efficiency, the granularity of metal oxide powder product and the controllability of pine ratio have been realized.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
FIG. 1 is a schematic view of the structure of a metal oxide powder production system in example 1.
FIG. 2 is a schematic view showing the structure of a metal oxide powder production apparatus in example 1.
Wherein: 1-plate chain conveyer; 2-a melting furnace; 21-a boiling pipe; 22-a burner tip; 23-a waste receiving container; 3-high frequency furnace; 4-a suction duct; 5, a first-stage dust remover; 6-secondary dust remover; 7, a first temperature, humidity, wind pressure and wind speed tester; 8, a second temperature, humidity, wind pressure and wind speed tester; 9-a first star-shaped discharge valve; 10-second star-shaped discharge valve; 11-steel frame platform; 12-screw conveyor; 13-centrifugal fan; 14-a spiral elevator; 15-cooling water circulation jacket; 16-constant temperature water circulation jacket; 17-a homogenizer; 18-a weighing module; 19-a vibrating screen; 20, a collecting box; 21-plate chain circulating conveyor; 22-cooling water circulation system; and 23, a constant-temperature water circulation system.
Detailed Description
The present invention will be described in detail with reference to the drawings, and the description is illustrative and explanatory only and should not be construed as limiting the scope of the present invention in any way. Furthermore, those skilled in the art can combine features from the embodiments in this document and from different embodiments accordingly, based on the description in this document.
Example 1
As shown in fig. 1 and fig. 2, the embodiment discloses a metal oxide powder production system, which comprises a feeding device, a metal oxide powder production device, a dust removal device, a conveying device and a material collection device, which are connected in sequence, wherein the production system further comprises a cooling device, a constant temperature device and a control unit, and the feeding device, the metal oxide powder production device, the dust removal device, the conveying device, the material collection device, the cooling device and the constant temperature device are all electrically connected with the control unit.
In this embodiment, the feeding device is set as a plate conveyor 1, and the control unit is set as a PLC control system.
In the embodiment, the metal oxide powder production device comprises a melting furnace 2 and a high-frequency furnace 3, wherein the melting furnace 2 comprises a furnace body, a discharge opening, a boiling pipe 21 and a burner 22 which are sequentially communicated with the discharge opening, the high-frequency furnace 3 is sleeved on the outer wall of the boiling pipe 21 and used for heating the boiling pipe 21, and the burner 22 is communicated with the outside air and communicated with a dust removal device through an air exhaust pipeline 4; the outlet of the boiling pipe 21 is arranged in an upward inclined mode, the inclined angle is 30-60 degrees, and the inner diameter of the combustion nozzle 22 is gradually reduced along the material flowing direction; the outlet of the burner 22 is arranged upwards in the direction of 90 degrees; the mouth of the air exhaust pipeline 4 is arranged right above the outlet of the combustion nozzle 22, and a gap is reserved between the mouth of the air exhaust pipeline and the outlet of the combustion nozzle; a waste receiving receptacle 23 is provided just below the outlet of the burner tip 22.
In this embodiment, the air draft pipeline 4 is provided with a first temperature, humidity, air pressure and air speed tester 7 electrically connected to the control unit.
In the embodiment, the dust removal device is arranged on a steel frame platform 11 and comprises a primary dust remover 5, a secondary dust remover 6 and a centrifugal fan 13 which are connected in series, wherein the centrifugal fan is communicated with an air outlet of the secondary dust remover 6, a discharge port at the bottom of each dust remover is connected with a first conveyor, the first conveyor is a screw conveyor 12, and the screw conveyor 12 conveys materials to the conveying device; the bottom discharge ports of the primary dust remover 5 and the secondary dust remover 6 are respectively provided with a first discharge valve 9 and a second discharge valve 10, and a second temperature, humidity, wind pressure and wind speed tester 8 is arranged on a pipeline in series connection with the primary dust remover 5 and the secondary dust remover 6.
In this embodiment, the conveyer is a screw elevator 14 communicated with the screw conveyor 12, and the screw elevator 14 includes a first conveying section and a second conveying section for receiving a material in the first conveying section, the first conveying section is connected with the screw conveyor 12, and the second conveying section is connected with a feed inlet of the material collecting device.
In this embodiment, the cooling device includes a cooling water circulation jacket 15 sleeved on the first conveying section, and a cooling water circulation system 22 communicated with the cooling water circulation jacket 15; the constant temperature device comprises a constant temperature water circulation jacket 16 sleeved on the second conveying section and a constant temperature water circulation system 23 communicated with the constant temperature water circulation jacket 16.
In this embodiment, the material collecting device includes a homogenizer 17, a vibrating screen 19, a collecting box 20 and a second conveyor; the homogenizer 12 is provided with a weighing module 18, the weighing module 18 is used for weighing the material in the homogenizer 12, and the second conveyor is provided with a plate chain circulating conveyor 21.
The metal oxide powder production system in the embodiment is particularly suitable for preparing cadmium oxide powder, and the specific process flow thereof is as follows:
under the control of a control system, a plate chain conveyor 1 lifts a metal cadmium ingot to be thrown into a melting furnace 2, the melting furnace 2 is heated to 500-650 ℃ to melt the metal cadmium ingot, the molten metal cadmium flows into a boiling pipe 21 wrapped by a high-frequency furnace 3, the high-frequency furnace 3 is controlled to be heated to 700-900 ℃ at the moment to evaporate and boil the molten metal cadmium and spray high-temperature metal cadmium vapor from a burner 22, the high-temperature metal cadmium vapor spontaneously burns when meeting air to form cadmium oxide powder, the sprayed cadmium oxide powder is pumped out by a centrifugal fan 13 through a process air pumping pipeline 4 and is filtered and collected by a primary dust remover 6 and a secondary dust remover 7, the cadmium oxide powder collected by the primary dust remover 6 and the secondary dust remover 7 is respectively led into a horizontal screw conveyor 12 connected with the first star-shaped unloading valve 9 and the second star-shaped unloading valve 10 at the lower end to be conveyed to a screw elevator 14, and the screw elevator 14 is divided into a first conveying section and a second conveying section, the cadmium oxide powder homogenizing machine is provided with a cooling water jacket 15 and a constant-temperature water circulation jacket 16, wherein the cooling water jacket 15 is rapidly cooled through a cooling water circulation system 22, a cooling tower can be arranged to assist in achieving a rapid cooling effect on a cooling unit, powder enters a screw elevator 14 and then is cooled to 35-40 ℃ in cooling water in a first stage of a first conveying section, then enters a constant-temperature water circulation jacket 16 in a second stage of a second conveying section and is kept at a constant temperature of 25-30 ℃, the powder is cooled in the screw elevator 14 and drops into the homogenizer 17 after reaching 25-30 ℃ after being kept at the constant temperature, the homogenizer 17 is provided with a weighing module 18, the internal weight can be accurately known, so that the effect of starting and stopping is achieved, after the homogenizer 17 is homogenized, the powder drops into a vibrating screen 19 for screening, the cadmium oxide powder which meets the granularity requirement is screened by the vibrating screen 19 is collected into a qualified product through a qualified product outlet of the screening machine, the collected products are mainly collected by a collecting box 20, a plate chain circulating conveyor 21 is arranged below the collected products, the collecting box 20 is placed on the plate chain circulating conveyor 21, the plate chain circulating conveyor 21 is provided with a clamping groove, the collecting box 20 is placed above the clamping groove, the whole process is controlled by a PLC control system, if the clamping groove is not provided with the collecting box 20 within 1 minute, an automatic production line gives an alarm, and the production can be continued as long as the alarm reset is eliminated manually.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A metal oxide powder production system is characterized by comprising a feeding device, a metal oxide powder production device, a dust removal device, a conveying device and a material collecting device;
the metal oxide powder production device is used for receiving metal materials of the feeding device and oxidizing the metal materials into metal oxide powder, the dust removal device is provided with an air exhaust pipeline and adsorbs the metal oxide powder into the dust removal device through the air exhaust pipeline, and the materials collected by the dust removal device are conveyed to the material collection device through the conveying device;
the production system further comprises a cooling device and a thermostatic device, wherein:
the conveying device comprises a first conveying section and a second conveying section for receiving materials of the first conveying section, the cooling device is arranged to be used for cooling the materials on the first conveying section, the constant temperature device is arranged to keep the materials on the second conveying section at a constant temperature, the first conveying section is connected with a discharge hole of the dust removal device, and the second conveying section is connected with a feed inlet of the material collection device.
2. The metal oxide powder production system according to claim 1, wherein the cooling means comprises a cooling water circulation jacket provided around the first transfer section, and a cooling water circulation system communicating with the cooling water circulation jacket.
3. The metal oxide powder production system of claim 1, wherein the thermostatic device comprises a thermostatic water circulation jacket disposed around the second conveying section, and a thermostatic water circulation system communicating with the thermostatic water circulation jacket.
4. The metal oxide powder production system of any one of claims 1 to 3, wherein the conveyor is a screw elevator.
5. The metal oxide powder production system according to claim 1, wherein the metal oxide powder production apparatus comprises a melt furnace and a first heating device, the melt furnace comprises a furnace body, a discharge opening, a boiling pipe and a burner nozzle, the boiling pipe and the burner nozzle are sequentially communicated with the discharge opening, the first heating device is used for heating the boiling pipe, and the burner nozzle is communicated with the outside air and the dust removal device through a draft duct.
6. The metal oxide powder production system of claim 5, wherein the first heating device is a high frequency furnace.
7. The metal oxide powder production system of claim 5, wherein the inner diameter of the burner tip is tapered in a material flow direction; the outlet of the combustion nozzle is vertically and upwards arranged; the mouth of pipe setting of air extraction pipeline is directly over the burner tip export, leave the clearance between the mouth of pipe of air extraction pipeline and the burner tip export.
8. The metal oxide powder production system of claim 1, wherein the dust removing device comprises a first fan and a plurality of dust removers connected in series, and a bottom discharge port of the dust remover is connected to the conveying device through a first conveyor; and a discharge valve is arranged at a discharge hole at the bottom of the dust remover.
9. The metal oxide powder production system of claim 1, wherein the material collection device comprises a homogenizer, a vibrating screen, a collection box, and a second conveyor; the homogenizer is provided with a weighing module for weighing the weight of the materials in the homogenizer.
10. The metal oxide powder production system of any one of claims 1 to 3 and 5 to 9, further comprising a control unit, wherein the feeding device, the metal oxide powder production device, the dust removal device, the conveying device and the material collection device are electrically connected with the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220522105.3U CN217264881U (en) | 2022-03-11 | 2022-03-11 | Metal oxide powder production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220522105.3U CN217264881U (en) | 2022-03-11 | 2022-03-11 | Metal oxide powder production system |
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| Publication Number | Publication Date |
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| CN217264881U true CN217264881U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220522105.3U Active CN217264881U (en) | 2022-03-11 | 2022-03-11 | Metal oxide powder production system |
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| CN (1) | CN217264881U (en) |
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- 2022-03-11 CN CN202220522105.3U patent/CN217264881U/en active Active
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