CN217715978U

CN217715978U - Aluminium melt purifier pulse airflow drying-machine

Info

Publication number: CN217715978U
Application number: CN202221436627.8U
Authority: CN
Inventors: 谢石龙
Original assignee: Anhui Feifei New Material Technology Co ltd
Current assignee: Anhui Feifei New Material Technology Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-11-01
Anticipated expiration: 2032-06-10

Abstract

The utility model relates to a purificant drying device technical field, concretely relates to aluminium melt purificant pulse air current drying-machine, structural design is reasonable, it is simple, the plenum is connected to the draught fan intercommunication, the perforated plate top is equipped with the boiling chamber, the boiling chamber top is equipped with the suspension deposit room, there is the flash mouth the top of feeder, the useless hot gas that comes is carried from the draught fan is blown in via the plenum, carry out violent heat exchange, form the predrying of aluminium melt purificant, then go out by flash mouth overflow, fall in the feeder, the feeder adopts spiral feeding to send into the drying tube, waste gas is taken out from the drum top through the suspension deposit room that enlarges, through the separation, dust arrester installation, discharge in the atmosphere after the purification, in the past because of exhaust gas temperature is higher, effective heat utilization rate is lower, lead high temperature gas into the plenum through the draught fan in, the utilization ratio of energy is improved, and the ebullition drying to the raw materials has been realized in advance, get into in the feeder after the drying, and the circulation is reciprocal, the heat transfer coefficient is higher, drying rate is faster.

Description

Aluminium melt purificant pulse airflow drying-machine

Technical Field

The utility model relates to a purifying agent drying device technical field, concretely relates to aluminium melt purifying agent pulse airflow drying-machine.

Background

As the furnace burden and the aluminum alloy liquid absorb gas in the smelting and transferring processes to generate impurities, the purity of the alloy liquid is reduced, the fluidity is deteriorated, and various quality defects such as looseness, air holes, slag inclusion and the like are easily generated after solidification, so that the mechanical and processing process performance, the corrosion resistance, the air tightness, the anodic oxidation performance and the appearance quality of the alloy liquid are influenced. Therefore, the aluminum alloy must be purified before casting and rolling, so that the gas and various harmful impurities in the melt can be removed, and the aluminum alloy melt with high purity can be obtained. The deslagging function of flux refining purification is realized mainly by the adsorption and dissolution with oxide film and non-metallic inclusion in the melt and the chemical action between the flux and the melt. The good cup for purifying the aluminum melt is directly related to the metallurgical quality of the aluminum melt, and is an important premise for realizing high yield and high quality of the aluminum material. The deslagging function of flux refining purification is mainly realized by the adsorption and dissolution with oxide film and non-metallic inclusion in the melt and the chemical action between the flux and the melt. CN112795802A discloses a melt purifying agent for aluminum-manganese alloy vacuum melting and a preparation method thereof, wherein the aluminum melt purifying agent needs to be fully dried before being added into an aluminum melt, a relevant pulse airflow drying device for the aluminum melt purifying agent is not available in the market at present, and the defects are not solved for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that the background art provided, designed an aluminium melt decontaminating agent pulse air current drying-machine.

The utility model discloses a realize through following technical scheme:

a pulsed airflow dryer for aluminum melt purifiers comprises a steam inlet pipe, a steam outlet pipe, a piston type air heater, a feeder, a drying pipe, a pulse pipe, a cyclone separator, a bag-type dust collector and an induced draft fan, wherein the steam inlet pipe and the steam outlet pipe are fixedly connected with the piston type air heater, and the other end of the piston type air heater is fixedly communicated and connected with the drying pipe; the cyclone separator is provided with an inlet, the other end of the drying pipe is communicated with the inlet of the cyclone separator and a riser; an exhaust duct and an air inlet duct are arranged on the bag-type dust collector; the riser of the cyclone separator is connected with the air inlet duct of the bag-type dust collector; the exhaust duct of sack cleaner is connected with the draught fan intercommunication, the plenum is connected in the draught fan other end intercommunication, the plenum top is equipped with the perforated plate, the perforated plate top is equipped with the boiling chamber, the boiling chamber top is equipped with the suspension deposit room, the boiling chamber still is equipped with flash and feed inlet, it is connected with the flue still to communicate on the suspension deposit room, be equipped with the feeder on the drying tube, the top of feeder is equipped with the flash.

As a further improvement of the scheme, the drying pipe is also connected in series with three pulse pipes which are not connected with each other.

As a further improvement of the scheme, the lower end of the bag-type dust collector is provided with a second discharge hole.

As a further improvement of the scheme, the cyclone separator is provided with a first discharge hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, moreover, the steam generator is simple in structure, the hot gas that comes from the draught fan transport is via the plenum below the perforated plate 13 to be blown in, the aluminium melt decontaminating agent is the boiling state under the hot gas flow effect, form the ebullated bed, and carry out violent heat exchange, form the predrying of aluminium melt decontaminating agent, then overflow and go out by the flash mouth, fall on in the feeder, the feeder adopts the spiral feeding to send into the drying tube, waste gas is taken away from the drum top through the suspension settling chamber that enlarges, through the separation, dust arrester installation, discharge into in the atmosphere after the purification.

2. The utility model discloses in the past because of exhaust gas temperature is higher, effective heat utilization rate is lower, through the draught fan with high-temperature gas guide in the wind chamber, improve the utilization ratio of energy, and realized the boiling drying in advance to the raw materials, get into in the charging means after the drying to the circulation is reciprocal.

Drawings

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is a schematic structural view of the present invention;

wherein, 1-a steam inlet pipe; 2-a steam outlet pipe; 3-piston type air heater; 4-a feeder; 5-a drying tube; 6-a pulse tube; 7-cyclone separator, 701-inlet, 702-riser; 8-bag dust collector, 801-exhaust duct and 802-air inlet duct; 9-a draught fan; 10-a first discharge port; 11-a second discharge port; 12-a boiling chamber, 13-a feed inlet, 14-a porous plate, 15-an air chamber and 16-a suspension settling chamber; 17-flue; 18-overflow port.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1

An aluminum melt purifying agent pulse airflow dryer is disclosed, as shown in figure 1, comprising a steam outlet pipe 2, a bag-type dust collector 8, a piston type air heater 3, a pulse pipe 6, a steam inlet pipe 1, a feeder 4, a drying pipe 5, a cyclone separator 7 and an induced draft fan 9, wherein the cyclone separator 7 described above is provided with a first discharge port 10, the steam inlet pipe 1 and the steam outlet pipe 2 are fixedly connected with the piston type air heater 3, and the other end of the piston type air heater 3 is fixedly communicated with the drying pipe 5; the cyclone separator 7 is provided with an inlet 701, and the other end of the drying pipe 5 is communicated with the inlet 701 of the cyclone separator 7 and a riser 702; the gas in the cyclone 7 is made to rotate in a spiral path towards the bottom of the vessel, and then turns upwards after reaching the bottom, becomes an inner layer of upward swirling gas flow, called upward swirling flow, and then is discharged from the top riser 702. In the process of rotating along with the airflow, dust particles carried in the gas are gradually settled to the wall of the device under the action of centrifugal force due to high density, fall after contacting the wall of the device and slide to the first discharge hole 10. Gas is exhausted from the top central riser 702 along the central axis. An exhaust duct 801 and an air inlet duct 802 are arranged on the bag-type dust collector 8; the lower end of the bag-type dust collector 8 is provided with a second discharge hole 11; the riser 702 of the cyclone separator 7 is connected with the air inlet duct 802 of the bag-type dust collector 8; the coarse particle powder falls into a second ash discharge port 11 after colliding on the guide plate, the rest enters a filter chamber provided with a rhombic filter bag along with air flow, and dust is attached to the outer surface of the filter bag; the exhaust duct 801 of sack cleaner 8 is connected with draught fan 9 intercommunication, draught fan 9 other end intercommunication connection plenum 15, above-mentioned plenum 15 top is equipped with perforated plate 14, perforated plate 14 top is equipped with boiling chamber 12, boiling chamber 12 top is equipped with suspension deposit room 16, boiling chamber 12 still is equipped with feed inlet 13 and flash mouth 18, it is connected with flue 17 still to communicate on the suspension deposit room 16, be equipped with feeder 4 on the drying tube 5, the top of feeder 4 is equipped with flash mouth 18, drying tube 5 still concatenates the intercommunication and has three not mutually connected pulse tube 6.

Example 1 during the aluminium melt scavenger drying process: firstly, adding an aluminum melt purifying agent to be dried from a feed inlet 13, starting a piston type hot air blower 3, a feeder 4, a cyclone separator 7, a bag-type dust remover 8 and an induced draft fan 9, conveying steam through a steam inlet pipe 1 and a steam outlet pipe 2, heating the air of the piston type hot air blower 3 connected with the two to realize hot air flowing through a drying pipe 5, a pulse pipe 6, the cyclone separator 7, the bag-type dust remover 8 and the induced draft fan 9, wherein a boiling chamber 12, the feed inlet 13, an air chamber 15 and a suspension settling chamber 16 form a cylindrical boiling drying, the middle part is the boiling chamber 12, the lower part contraction part is the air chamber 15, the upper part is the suspension settling chamber 16 and is provided with a porous plate 14, the material enters from the feed inlet 13 and falls on the porous plate 14, and hot gas conveyed from the induced draft fan 9 is blown in through the air chamber 15 below the porous plate 14, the aluminum melt purifying agent is in a boiling state under the action of hot air flow to form a boiling bed, and intense heat exchange is carried out to form pre-drying of the aluminum melt purifying agent, then the aluminum melt purifying agent overflows from an overflow port 18 and falls into a feeder 4, the feeder 4 adopts spiral feeding to be fed into a drying pipe 5, the aluminum melt purifying agent passes through the drying pipe, a pulse pipe 6 and a pulse bag-type dust remover 8, the aluminum melt purifying agent with large particles after being dried is collected from a first discharge port 10 during the process through a cyclone separator 7, the aluminum melt purifying agent with small particles is collected through the bag-type dust remover 8 and is discharged through a second discharge port 11, waste air with certain heat temperature is conveyed into an air chamber 15 through an induced draft fan 9, and finally the waste air is pumped away through a flue 17 which is communicated and connected with a suspension settling chamber 16 and is discharged into the atmosphere after being purified.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An aluminum melt purifying agent pulse airflow dryer comprises a steam inlet pipe (1), a steam outlet pipe (2), a piston type air heater (3), a feeder (4), a drying pipe (5), a pulse pipe (6), a cyclone separator (7), a bag-type dust collector (8) and an induced draft fan (9), and is characterized in that the steam inlet pipe (1) and the steam outlet pipe (2) are fixedly connected with the piston type air heater (3), and the other end of the piston type air heater (3) is fixedly communicated and connected with the drying pipe (5); an inlet (701) and the other end of the drying pipe (5) are arranged on the cyclone separator (7) and are communicated with the inlet (701) of the cyclone separator (7) and a riser (702); an exhaust duct (801) and an air inlet duct (802) are arranged on the bag-type dust collector (8); the riser (702) of the cyclone separator (7) is connected with the air inlet duct (802) of the bag-type dust collector (8); exhaust airway (801) and draught fan (9) the intercommunication of sack cleaner (8) are connected, wind chamber (15) are connected in draught fan (9) other end intercommunication, wind chamber (15) top is equipped with perforated plate (14), perforated plate (14) top is equipped with boiling chamber (12), boiling chamber (12) top is equipped with suspension deposit room (16), boiling chamber (12) still are equipped with flash mouth (18) and feed inlet (13), it is connected with flue (17) still to communicate on suspension deposit room (16), be equipped with feeder (4) on drying tube (5), the top of feeder (4) is equipped with flash mouth (18).

2. The aluminum melt scavenger pulsed gas flow dryer of claim 1, wherein the drying duct (5) is further connected in series with three unconnected pulse ducts (6).

3. The aluminum melt purifying agent pulse airflow dryer as claimed in claim 1, wherein the lower end of the bag-type dust collector (8) is provided with a second discharge port (11).

4. The aluminum melt scavenger pulse gas flow dryer as claimed in claim 1, wherein said cyclone (7) is provided with a first outlet (10).