CN214720551U

CN214720551U - Heating forming system is broken up to flotation concentrate sand

Info

Publication number: CN214720551U
Application number: CN202120520780.8U
Authority: CN
Inventors: 戴辉; 王亲雄; 李军; 邹爱卿
Original assignee: Hunan Chenzhou Mining Industry Co ltd
Current assignee: Hunan Chenzhou Mining Industry Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-16
Anticipated expiration: 2031-03-12

Abstract

The application relates to the technical field of metal powder forming, and provides a flotation concentrate sand scattering and heating forming system which comprises a belt feeder, a metal powder former and a heat supply system; the metal powder former comprises a frame, a forming barrel arranged on the frame, an extrusion shaft arranged in the forming barrel, a feed hopper arranged on the forming barrel and a driving motor for driving the extrusion shaft to rotate; a first propelling section, a stirring section and a second propelling section are arranged on the extrusion shaft, a metal forming nozzle is arranged on the forming barrel far away from the first propelling section, and the feed hopper is positioned above the first propelling section; the heat supply system comprises a heating water tank, a circulating water pipe and a heater, wherein the heating water tank, the circulating water pipe and the heater are used for coating the peripheral surface of the forming cylinder. Will stir and heat and all set up on the shaping section of thick bamboo, reduced the process step like this, improved machine-shaping efficiency, and utilize the water heating, the temperature is controllable and can prevent that the metal from volatilizing and run off, guarantees the shaping volume.

Description

Heating forming system is broken up to flotation concentrate sand

Technical Field

The application belongs to the technical field of metal powder molding, and more specifically relates to a heating molding system is broken up to flotation concentrate sand.

Background

The flotation method is generally the most widely applied beneficiation method in gold and tin separation production, and is a method for separating ores by utilizing the difference of the physicochemical properties of the surfaces of the ores, and the obtained ore material becomes concentrate sand which can become tin concentrate sand, antimony concentrate sand and the like according to the types of the ores.

The concentrate sand obtained by flotation is generally in powder form and subsequently requires processes of press forming, sintering and necessary subsequent treatments to make finished products and metal materials. The concentrate raw material (metal powder) generally contains a certain amount of moisture after being floated, and when the concentrate raw material is directly poured into a processing and forming machine for press forming, the concentrate raw material cannot be extruded and formed due to the moisture, so the concentrate raw material needs to be dried before the processing and forming, extra equipment is needed, the cost is high, and the concentrate raw material needs to be transferred after the drying is finished, so the process is complicated, and the processing and forming efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a thermal forming system is broken up to flotation concentrate sand to metal powder machine-shaping is with high technical problem in the solution prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a thermal forming system is broken up to flotation concentrate sand is provided, includes: the device comprises a belt feeder, a metal powder former and a heat supply system;

the metal powder former comprises a frame, a forming barrel arranged on the frame, an extrusion shaft arranged in the forming barrel, a feed hopper arranged on the forming barrel and a driving motor for driving the extrusion shaft to rotate;

a first propelling section, a stirring section and a second propelling section are arranged on the extrusion shaft, a metal forming nozzle is arranged on the forming barrel far away from the first propelling section, and the feed hopper is positioned above the first propelling section;

the heat supply system comprises a heating water tank, a circulating water pipe and a heater, wherein the heating water tank, the circulating water pipe and the heater are used for coating the peripheral surface of the forming cylinder.

In one embodiment, the heater is a melting furnace.

In one embodiment, the circulating water pipe comprises a water outlet pipe and a water inlet pipe, one end of the water inlet pipe and one end of the water outlet pipe are communicated at the smelting furnace, the other end of the water inlet pipe is arranged above the second propulsion section and communicated with the heating water tank, and the other end of the water outlet pipe is arranged below the first propulsion section and communicated with the heating water tank.

In one embodiment, a water storage tank is arranged on the water outlet pipe.

In one embodiment, the water storage tank is provided with a water replenishing pipe, and the water replenishing pipe is communicated with a tap water source.

In one embodiment, a gas discharge pipe is arranged on the forming cylinder, a dust removal filter is arranged in the gas discharge pipe, or the gas discharge pipe is connected with a dust removal system.

In one embodiment, the first propelling section is a first helical blade with the same diameter, the stirring section comprises a plurality of stirring blades arranged at intervals, and the second propelling section is a second helical blade with a gradually reduced diameter.

In one embodiment, the metal forming nozzle is conical.

In one embodiment, the drive motor is a reduction motor set.

The application provides a pair of heating forming system is broken up to flotation concentrate sand's beneficial effect lies in: the first propelling section, the stirring section and the second propelling section are arranged on the extrusion shaft, so that the metal powder can be well and uniformly stirred, and a heating system can fully heat and dry the metal powder; and heating system uses hot water circulation heating, and heating temperature is controllable just can not be too high like this, can effectively prevent metal powder to volatilize and run off, will stir moreover and all set up on the shaping section of thick bamboo with the heating, has reduced the process step like this, has improved machine-shaping efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a flotation concentrate sand scattering and heating forming system provided in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1. a belt feeder; 2. a metal powder former; 21. a frame; 22. a forming cylinder; 23. an extrusion shaft; 24. a feed hopper; 25. a drive motor; 26. a first propulsion section; 27. a stirring section; 28. a second propulsion section; 29. a metal forming nozzle; 3. a heating system; 31. heating the water tank; 32. a circulating water pipe; 321. a water outlet pipe; 322. a water inlet pipe; 33. a heater; 34. a water storage tank; 35. a water replenishing pipe; 4. a gas discharge pipe.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1, a flotation concentrate sand scattering and heat forming system provided in the embodiment of the present application will now be described. The flotation concentrate sand scattering and heating forming system comprises a belt feeder 1, a metal powder former 2 and a heat supply system 3; wherein, the belt feeder 1 is used for conveying metal powder to the metal powder former 2, and the heating system 3 is used for heating and drying the metal powder in the metal powder former 2, so that the metal powder former 2 can extrude the metal powder.

As shown in fig. 1, the metal powder forming device 2 includes a frame 21, a forming cylinder 22 disposed on the frame 21, an extruding shaft 23 disposed in the forming cylinder 22, a feeding hopper 24 disposed on the forming cylinder 22, and a driving motor 25 for driving the extruding shaft 23 to rotate; the feed hopper 24 is located below the discharge of the belt feeder 1 so that the metal powder automatically falls within the feed hopper 24. Specifically, a first propelling section 26, a stirring section 27 and a second propelling section 28 are arranged on the extruding shaft 23, a metal forming nozzle 29 is arranged on the forming cylinder 22 far away from the first propelling section 26, and the feed hopper 24 is positioned above the first propelling section 26; the metal powder falls into the area of the first propelling section 26 of the forming cylinder 22 from the feed hopper 24, the first propelling section 26 pushes the metal powder to the stirring section 27, the stirring section 27 uniformly stirs the metal powder, so that the metal powder is fully heated and dried, and then the metal powder is pushed to the metal forming nozzle 29 through the second propelling section 28 to be extruded and formed into the forming cylinder 22.

As shown in fig. 1, the heating system 3 includes a heating water tank 31 that coats the outer peripheral surface of the molding barrel 22, a circulating water pipe 32, and a heater 33. Heating water tank 31 sets up on a shaping section of thick bamboo 22 and the setting of the peripheral face of a cladding shaping section of thick bamboo 22, can carry out all-round heating to a shaping section of thick bamboo 22 like this to improve the heating effect to metal powder, heater 33 is used for the aqueous medium heating to in the heating water tank 31, and circulating pipe 32 is used for realizing the circulation flow of aqueous medium, can play good heating drying effect to metal powder with the temperature of the aqueous medium of guaranteeing in the heating water tank 31.

According to the flotation concentrate sand scattering and heating forming system provided by the embodiment of the application, the first propelling section 26, the stirring section 27 and the second propelling section 28 are arranged on the extruding shaft 23, so that metal powder can be well and uniformly stirred, and the heating system can fully heat and dry the metal powder; and the heating system uses hot water circulation heating, so that the heating temperature is controllable and not too high, the metal powder can be effectively prevented from volatilizing and losing, and the stirring and heating are arranged on the forming cylinder 22, so that the process steps are reduced, and the processing and forming efficiency is improved.

In the present embodiment, the heater 33 is a melting furnace. The smelting furnace is the equipment that uses in the sintering step in the metal powder forming technology, can utilize the produced heat of smelting furnace to heat aqueous medium like this, improves heat utilization and rates, practices thrift the cost. In other embodiments, the heating system includes a heating water tank 31 and a plurality of heating pipes disposed at intervals in the heating water tank 31, and the heating pipes directly heat the aqueous medium in the heating water tank 31. In the present embodiment, a temperature sensor is disposed in the heating water tank 31, and the temperature sensor is used for monitoring the temperature of the aqueous medium in the heating water tank 31, so that the temperature of the aqueous medium is easier to control.

In this embodiment, the circulating water pipe 32 includes an outlet pipe 321 and an inlet pipe 322, one end of the inlet pipe 322 is communicated with one end of the outlet pipe 321 at the smelting furnace for heat exchange of the aqueous medium at the smelting furnace, the other end of the inlet pipe 322 is disposed above the second propulsion section 28 and communicated with the heating water tank 31, and the other end of the outlet pipe 321 is disposed below the first propulsion section 26 and communicated with the heating water tank 31. Namely, the aqueous medium with higher temperature flows from the second propelling section 28 to the first propelling section 26, and after heat exchange, the aqueous medium with lower temperature is discharged from the water outlet pipe 321, so as to ensure that the metal powder at the second propelling section 28 is heated and dried. In the present embodiment, a water pump or a circulation pump is disposed on the circulation water pipe 32 for driving the water medium to circulate.

In this embodiment, the water outlet pipe 321 is provided with a water storage tank 34, and the water storage tank 34 is used for supplementing water to ensure that the heating water tank 31 has enough water medium therein. Wherein, be equipped with moisturizing pipe 35 on the storage water tank 34, moisturizing pipe 35 and water source intercommunication are used for guaranteeing to have enough aqueous medium in the heating water tank 31 like this.

In this embodiment, the forming cylinder 22 is provided with a gas discharge pipe 4, a dust removing filter is arranged in the gas discharge pipe 4, the gas discharge pipe 4 is used for discharging dust generated in the stirring process, and the dust removing filter is used for absorbing the dust to ensure that the discharged gas has no pollution to the air. In other embodiments, the gas discharge pipe 4 is connected to a dust removal system that can simultaneously treat the gas discharged from a plurality of other discharge pipes, so that a plurality of the metal powder formers 2 can be provided.

In this embodiment, the first propelling section 26 is a first helical blade with the same diameter, the stirring section 27 includes a plurality of stirring blades arranged at intervals, and the second propelling section 28 is a second helical blade with a diameter gradually reduced. Wherein, the metal forming nozzle 29 is conical, the conical metal forming nozzle 29 is used for matching with the second helical blade, and the discharge end of the metal forming nozzle 29 is used for discharging the extruded metal block.

In the present embodiment, the driving motor 25 is a reduction motor set, so that the rotation speed of the extrusion shaft 23 is controllable.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a thermal forming system is broken up to flotation concentrate sand, its characterized in that includes: the device comprises a belt feeder (1), a metal powder former (2) and a heat supply system (3);

the metal powder former (2) comprises a frame (21), a forming cylinder (22) arranged on the frame (21), an extrusion shaft (23) arranged in the forming cylinder (22), a feed hopper (24) arranged on the forming cylinder (22) and a driving motor (25) for driving the extrusion shaft (23) to rotate;

a first propelling section (26), a stirring section (27) and a second propelling section (28) are arranged on the extruding shaft (23), a metal forming nozzle (29) is arranged on the forming cylinder (22) far away from the first propelling section (26), and the feed hopper (24) is positioned above the first propelling section (26);

the heating system (3) comprises a heating water tank (31) for coating the peripheral surface of the forming cylinder (22), a circulating water pipe (32) and a heater (33).

2. The flotation concentrate sanding, breaching and heat-setting system of claim 1, wherein: the heater (33) is a smelting furnace.

3. The flotation concentrate sanding, scattering and heat forming system of claim 2, wherein: the circulating water pipe (32) comprises a water outlet pipe (321) and a water inlet pipe (322), one end of the water inlet pipe (322) is communicated with one end of the water outlet pipe (321) at the smelting furnace, the other end of the water inlet pipe (322) is arranged above the second propulsion section (28) and communicated with the heating water tank (31), and the other end of the water outlet pipe (321) is arranged below the first propulsion section (26) and communicated with the heating water tank (31).

4. The flotation concentrate sanding, breaching and heat-setting system according to claim 3, wherein: the water outlet pipe (321) is provided with a water storage tank (34).

5. The flotation concentrate sanding, scattering and heat forming system of claim 4, wherein: and a water replenishing pipe (35) is arranged on the water storage tank (34), and the water replenishing pipe (35) is communicated with a tap water source.

6. The flotation concentrate sanding, breaching and heat-setting system of claim 1, wherein: and a gas discharge pipe (4) is arranged on the forming cylinder (22), a dust removal filter is arranged in the gas discharge pipe (4), or the gas discharge pipe (4) is connected with a dust removal system.

7. The flotation concentrate sanding, breaching and heat-setting system of claim 1, wherein: the first propeller section (26) is a first helical blade with the same diameter, the stirring section (27) comprises a plurality of stirring blades arranged at intervals, and the second propeller section (28) is a second helical blade with the gradually reduced diameter.

8. The flotation concentrate sanding, breaching and heat-setting system according to claim 7, wherein: the metal forming nozzle (29) is conical.

9. The flotation concentrate sanding, breaching and heat-setting system of claim 1, wherein: the driving motor (25) is a speed reduction motor set.