CN212320317U

CN212320317U - Castable drying device

Info

Publication number: CN212320317U
Application number: CN202020604365.6U
Authority: CN
Inventors: 童胜利; 韩金刚; 潘广成; 苏玲云
Original assignee: Yima Baoyi New Material Co ltd
Current assignee: Yima Baoyi New Material Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-08
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a pouring material drying device, including the stoving case, its top is uncovered and can dismantle and be connected with the case lid, around being equipped with multiunit electric heating pipe on its inside wall, stoving bottom of the case portion rotates and is equipped with a support frame, can dismantle on the support frame and be connected with the feed cylinder, the feed cylinder internal rotation is equipped with the (mixing) shaft, the direction of rotation of (mixing) shaft is opposite with the support frame, it has a plurality of stirring rakes to be distributed about on the (mixing) shaft, stoving case one side is equipped with air heater and first air-blower, air heater air outlet and first air-blower air intake intercommunication, the air outlet of first air-blower passes through air-supply line and stoving bottom of the case portion intercommunication, the case lid top is equipped with. The utility model discloses an electrical heating and hot-blast heating's dual heating mode to the cooperation stirring rake stirs the heat dissipation with the relative rotation of feed cylinder, makes the material be heated evenly, accelerates moisture evaporation, is favorable to reducing the energy consumption, improves drying efficiency and quality.

Description

Castable drying device

Technical Field

The utility model belongs to the technical field of the castable production, concretely relates to castable drying device.

Background

The castable material is also called refractory castable, is a granular or powdery material prepared by adding a certain amount of bonding agent into refractory materials, has higher fluidity, is an unshaped refractory material formed by pouring, has higher content of bonding agent and moisture and better fluidity compared with other unshaped refractory materials, has wider application range, can be selected according to the used materials and bonding agent, can be directly poured into a lining body for use, and can be made into a precast block for use by pouring or jolting. In the production process of the castable, raw materials need to be mixed, stirred, filtered and then dried. Most of the existing drying operations are carried out in a drying furnace, and most of the traditional drying furnaces only adopt electric heating to heat the drying furnace, thereby achieving the purpose of drying materials accumulated in the furnace. However, the energy consumption is high only by an electric heating mode, the materials are accumulated, the heating and drying are not uniform, the moisture emission is slow, the drying efficiency is low, the effect is poor, the drying treatment and the subsequent production and processing of the castable are not facilitated, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a pouring material drying device adopts the dual heating mode of electrical heating and hot-blast heating to the cooperation stirring rake stirs the heat dissipation with the relative rotation of feed cylinder, makes the material be heated evenly, accelerates the evaporation of water, reaches the purpose that reduces the energy consumption, improves drying efficiency and quality, in order to solve above-mentioned problem.

In order to achieve the above object, the utility model adopts the following technical scheme: a castable drying device comprises a drying box, wherein the top of the drying box is open and is detachably connected with a box cover, a plurality of groups of electric heating pipes are wound on the inner side wall of the drying box, a support frame is rotatably arranged at the bottom of the drying box, a charging barrel is detachably connected onto the support frame, a stirring shaft is vertically and rotatably arranged in the charging barrel and is opposite to the rotating direction of the support frame, the top end of the stirring shaft upwards penetrates through the box cover and is fixedly connected with a stirring motor, a plurality of stirring paddles are vertically distributed on the stirring shaft, a hot air blower and a first air blower are arranged on one side of the drying box, an air outlet of the hot air blower is communicated with an air inlet of the first air blower, an air outlet of the first air blower is communicated with the bottom of the drying box through an air inlet pipe, a second air blower is arranged at the outer top, the tail end of the air outlet pipe penetrates through the box cover downwards and extends into the drying box.

Preferably, the top of the drying box is provided with a first flange, the box cover is matched with the drying box, and the bottom of the box cover is provided with a second flange, and the second flange is detachably connected with the first flange through a plurality of circumferentially and uniformly distributed connecting bolt assemblies.

Preferably, the support frame includes the cross chassis, be equipped with in the chassis upper surface circumference and just have the internal screw thread spacing groove with feed cylinder looks adaptation, be equipped with the external screw thread with the internal screw thread looks adaptation of spacing groove on the feed cylinder bottom lateral wall, the feed cylinder passes through the external screw thread and can dismantle with spacing groove screw thread and be connected.

Preferably, the center of the lower surface of the bottom frame is vertical and is fixedly connected with a rotating shaft, and the rotating shaft extends out of the bottom of the drying box and is fixedly connected with a driving motor.

Preferably, every group the stirring rake contains two stirring vane at least, the one end that stirring vane kept away from the (mixing) shaft all upwards or the downward sloping setting, and the same stirring vane incline direction of a set of is the same, and two adjacent stirring vane incline direction about the top are opposite.

Preferably, the tail end of the air outlet pipe is connected with a conical gas collecting hood, and the large-diameter end of the gas collecting hood faces downwards and is positioned above the top end of the charging barrel.

Preferably, the upper portion of feed cylinder is the back taper, the feed cylinder top both ends symmetry of back taper is equipped with a pair of handle, be equipped with the insulating layer on the handle.

The utility model has the advantages that: the utility model relates to a rationally, simple structure, the dismantlement between case lid and the stoving case and between feed cylinder and the support frame is connected, the getting of the material of being more convenient for is put, and the operation of drying is carried out fast to the convenience, improves the continuity of the operation of drying, is favorable to the improvement of the whole production efficiency of pouring material. The dual heating mode of electrical heating and hot air heating is adopted, the heating and drying effects can be greatly enhanced, and the drying efficiency and the drying quality are improved while the energy consumption is reduced. The feed cylinder can make the material in the feed cylinder be heated more evenly along with the synchronous rotation motion of support frame, improves the stoving effect. Stirring shaft and the stirring rake on it rotate towards the direction opposite with the feed cylinder, can be used to stirring material, accelerate the heat dissipation, rotation direction is opposite, can form the convection current in the holistic circumference of material, can strengthen the effect to material dispersion stirring greatly, it is more even to make the material be heated everywhere, the evaporation of water gets faster, improve drying efficiency, and during the stirring, the stirring vane incline direction of same set of is the same, upper and lower adjacent two stirring vane incline direction are opposite, can make the convection current between the material of co-altitude not, can further strengthen the effect of dispersion stirring greatly, further accelerate the evaporation of water in the material, improve drying efficiency and quality. The cooperation of gas collecting channel, tuber pipe and second air-blower can in time discharge the moisture that evaporates and the air current after the heat transfer, can guarantee that the atmospheric pressure in the stoving case is stable, can in time clear up moisture again, can further strengthen the stoving effect, guarantees drying efficiency and quality.

Drawings

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

fig. 2 is a schematic bottom view of the support frame of the present invention.

Reference numbers in the figures: the drying box comprises a drying box 1, a first flange 2, a second flange 3, a connecting bolt assembly 4, a box cover 5, a stirring motor 6, a gas collecting hood 7, a wind outlet pipe 8, a second air blower 9, a handle 10, a stirring shaft 11, a stirring blade 12, a charging barrel 13, a support frame 14, an electric heating pipe 15, an air heater 16, an air inlet pipe 17, a first air blower 18, a rotating shaft 19, a driving motor 20, a limiting groove 21, an internal thread 22 and a bottom frame 23.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 and 2, the castable drying device comprises a drying box 1, wherein the top of the drying box 1 is open and is detachably connected with a box cover 5. The inner side wall of the drying box 1 is wound with a plurality of groups of electric heating pipes 15 for electric heating. The bottom of stoving case 1 is rotated and is equipped with a support frame 14, can dismantle on the support frame 14 and be connected with feed cylinder 13, and the dismantlement between case lid 5 and the stoving case 1 and between feed cylinder 13 and the support frame 14 is connected, and the getting of the material of being more convenient for is conveniently put, and the operation of drying is conveniently carried out fast, improves the continuity of stoving operation, is favorable to pouring material overall production efficiency's improvement. The feed cylinder 13 moves along with the synchronous rotation of the support frame 14, so that the materials in the feed cylinder 13 are heated more uniformly, and the drying effect is improved. Vertical and rotation is equipped with (mixing) shaft 11 in the uncovered and this feed cylinder 13 in the top of feed cylinder 13, the rotation direction of (mixing) shaft 11 is opposite with support frame 14 rotation direction, case lid 5 and fixedly connected with agitator motor 6 are upwards worn out on the top of (mixing) shaft 11, it has a plurality of stirring rakes to be distributed about being on the (mixing) shaft 11, the stirring rake on (mixing) shaft 11 and rather than rotates towards the direction opposite with feed cylinder 13, can be used to stir the material, accelerate the heat dissipation, rotation opposite direction, can form the convection current in the holistic circumference of material, can strengthen the effect to material dispersion stirring greatly, it is more even to make the material be heated everywhere, the moisture evaporation is faster, and. One side of stoving case 1 is equipped with air heater 16 and first air-blower 18, the air outlet of air heater 16 and the air intake intercommunication of first air-blower 18, the air outlet of first air-blower 18 passes through air-supply line 17 and the bottom intercommunication of stoving case 1, can be in the electrical heating, utilize air heater 16 to produce hot-blastly, carry out hot-blast heating in first air-blower 18 pumpingly delivers to stoving case 1, adopt the dual heating mode of electrical heating and hot-blast heating, the effect of heating and drying can be strengthened greatly, when reducing the energy consumption, drying efficiency and drying quality are improved. The hot air blower 16 is a conventional industrial hot air blower, which is a heating and drying device producing hot air, is used for rapidly heating and drying workpieces, and has the advantages of high temperature rise speed, high drying efficiency, accurate temperature control, durability and the like. The outer top of case lid 5 is equipped with second air-blower 9, the air intake connection of second air-blower 9 has out tuber pipe 8, go out 8 tail ends of tuber pipe and pass case lid 5 downwards and stretch into stoving incasement 1, and this 8 tail end connections of tuber pipe have be conical gas collecting channel 7, the big footpath end of gas collecting channel 7 is down and be located the top of feed cylinder 13, during the stoving operation, through gas collecting channel 7, go out the cooperation of tuber pipe 8 and second air-blower 9, can in time discharge the moisture that evaporates and the air current after the heat transfer, can guarantee the atmospheric pressure stability in the stoving case 1, can in time clear up moisture again, can further strengthen the stoving effect, guarantee drying efficiency and quality.

In this embodiment, the detachable connection between the drying box 1 and the box cover 5 is specifically as follows: the top of stoving case 1 is equipped with first flange 2, and case lid 5 is equipped with second flange 3 with 1 looks adaptation of stoving case and its bottom, and second flange 3 can be dismantled with first flange 2 through the connecting bolt subassembly 4 of a plurality of circumference equipartitions and be connected, has both made things convenient for the dismouting between case lid 5 and the stoving case 1, can guarantee again that the connection between case lid 5 and the stoving case 1 is firm, stirring and exhaust-gas treatment when not influencing the stoving.

In this embodiment, the support frame 14 includes cross chassis 23, is equipped with the spacing groove 21 that just has internal thread 22 with feed cylinder 13 looks adaptation on chassis 23 upper surface circumference, is equipped with the external screw thread with the internal thread 22 looks adaptation of spacing groove 21 on the bottom lateral wall of feed cylinder 13 for feed cylinder 13 can be dismantled with spacing groove 21 screw thread through the external screw thread and be connected, makes things convenient for the dismouting of feed cylinder 13 to get and puts, improves stoving operation overall efficiency. The vertical and fixedly connected with pivot 19 in lower surface center of chassis 23, pivot 19 stretch out the bottom and the fixedly connected with driving motor 20 of stoving case 1, during the use, provide power through driving motor 20, drive pivot 19 and the support frame 14 on it rotates to realize the rotation of feed cylinder 13, make the material be heated more evenly, and the cooperation stirs the stoving operation. The rotation direction of the rotating shaft 19 is the same as the screwing direction of the charging barrel 13 on the limiting groove 21, so as to ensure the stability of the rotation movement of the charging barrel 13.

In this embodiment, the stirring rake contains two stirring vane 12 at least, and stirring vane 12 keeps away from the one end of (mixing) shaft 11 and all upwards or the downward sloping setting, and the same 12 slope directions of stirring vane of a set of are the same, and two adjacent stirring vane slopes 12 opposite directions from top to bottom can be when the stirring, make between the material of co-altitude form the layer convection current, can further strengthen the effect of dispersion stirring greatly, further accelerate the evaporation of water in the material, improve drying efficiency and quality.

In this embodiment, the upper portion of feed cylinder 13 is the back taper, more makes things convenient for the flourishing material of feed cylinder 13 to expect with unloading, and can avoid the material in the feed cylinder 13 to spill over at the in-process that rotates and stir, guarantees that the stoving operation goes on smoothly. A pair of handles 10 are symmetrically arranged at two ends of the top of the inverted cone-shaped material barrel 13, so that the disassembly and assembly between the material barrel 13 and the support frame 14 and the taking and placing of the material barrel 13 in the drying box 1 can be conveniently controlled. The handle 10 is provided with a heat insulation layer (not shown in the figure) made of asbestos, rock wool and the like, so that the influence on the operation caused by overhigh temperature of the handle 10 is avoided, and the use safety is improved.

The utility model discloses a theory of operation: the utility model discloses when using, take off each connecting bolt subassembly 4 earlier, dismantle case lid 5 from stoving case 1, back out the internal thread 22 of feed cylinder 13 from spacing groove 21 through handle 10 for the pouring material of stoving is treated to the splendid attire. After the material 13 splendid attire has been accomplished the material, again through threaded connection installation back support frame 14 to the feed cylinder 13 on the spacing groove 21, carry out spacing fixed to the feed cylinder 13, guarantee that the feed cylinder 13 can remain stable and along with support frame 14 synchronous revolution when the stoving operation, the cooperation is stirred and is dried. Then, the box cover 5 is installed back to the top of the drying box 1 and is locked and fixed through the connecting bolt assembly 4, and the stirring shaft 11 is inserted into the corresponding charging barrel 13 during installation. Then, a circuit of the electric heating pipe 15 is connected, so that the electric heating pipe 15 heats the inside of the drying box 1 in an electric heating mode, meanwhile, the air heater 16, the first air blower 18 and the second air blower 9 are operated, hot air produced by the air heater 16 is pumped into the drying box 1 through the first air blower 18 to be heated, heating and drying efficiency is improved, energy consumption is reduced, and drying effect is enhanced. When the electric heating and the hot air heating are carried out, the stirring motor 6 and the driving motor 20 are operated, the driving motor 20 drives the rotating shaft 19 to rotate, so that the supporting frame 14 and the material barrel 13 on the supporting frame rotate, the materials in the material barrel 13 can be uniformly heated, and the drying effect is improved; stirring motor 6 then drives stirring shaft 11 and the stirring rake on it and rotates towards the direction opposite with feed cylinder 13, for stirring material, accelerate the heat dissipation, it is opposite to rotate the direction, can form the convection current in the holistic circumference of material, can strengthen the effect to material dispersion stirring greatly, it is more even to make the material be heated everywhere, moisture evaporation gets faster, and drying efficiency is improved, and during the stirring, the same 12 slope directions of stirring vane of a set of are the same, two 12 slope directions of upper and lower adjacent stirring vane are opposite, can make the convection current between the formation layer between the material of co-altitude, can further strengthen the effect of dispersion stirring greatly, further accelerate the moisture evaporation in the material, drying efficiency and quality are improved. When drying, through the cooperation of gas collecting channel 7, play tuber pipe 8 and second air-blower 9, can in time discharge the moisture that evaporates and the air current after the heat transfer, can guarantee that the atmospheric pressure is stable in drying case 1, can in time clear up moisture again, can further strengthen the stoving effect, guarantee drying efficiency and quality. After the drying is finished, the box cover 5 is taken down again, the charging barrel 13 is screwed down, another charging barrel 13 containing materials to be dried is replaced, and then the secondary drying operation can be carried out, so that the drying process is more continuous and rapid, and the improvement of the whole production efficiency of the castable is facilitated.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A castable drying device is characterized by comprising a drying box, wherein the top of the drying box is open and is detachably connected with a box cover, a plurality of groups of electric heating pipes are wound on the inner side wall of the drying box, a support frame is rotatably arranged at the bottom of the drying box, a charging barrel is detachably connected to the support frame, the top of the charging barrel is open, a stirring shaft is vertically and rotatably arranged in the charging barrel, the rotating direction of the stirring shaft is opposite to that of the support frame, the top end of the stirring shaft upwards penetrates through the box cover and is fixedly connected with a stirring motor, a plurality of stirring paddles are vertically distributed on the stirring shaft, a hot air blower and a first air blower are arranged on one side of the drying box, an air outlet of the hot air blower is communicated with an air inlet of the first air blower, an air outlet of the first air blower is communicated, and the air inlet of the second air blower is connected with an air outlet pipe, and the tail end of the air outlet pipe downwards penetrates through the box cover and extends into the drying box.

2. The castable drying device according to claim 1, wherein a first flange is arranged at the top of the drying box, a second flange is arranged at the bottom of the box cover and the drying box, and the second flange is detachably connected with the first flange through a plurality of circumferentially and uniformly distributed connecting bolt assemblies.

3. The castable drying device according to claim 1, wherein the support frame comprises a cross-shaped underframe, a limit groove which is matched with the charging barrel and has an internal thread is circumferentially arranged on the upper surface of the underframe, an external thread which is matched with the internal thread of the limit groove is arranged on the outer side wall of the bottom of the charging barrel, and the charging barrel is connected with the limit groove in a threaded detachable mode through the external thread.

4. The castable drying device according to claim 3, wherein a rotating shaft is vertically and fixedly connected to the center of the lower surface of the bottom frame, extends out of the bottom of the drying box, and is fixedly connected with a driving motor.

5. The castable drying device according to claim 1, wherein each group of the stirring paddles at least comprises two stirring blades, one ends of the stirring blades, which are far away from the stirring shaft, are all arranged in an upward or downward inclined manner, the inclination directions of the stirring blades in the same group are the same, and the inclination directions of two adjacent stirring blades are opposite.

6. The castable drying device according to claim 1, wherein a tapered gas collecting hood is connected to the tail end of the air outlet pipe, and the large-diameter end of the gas collecting hood faces downward and is located above the top end of the charging barrel.

7. The castable drying device according to claim 1, wherein the upper portion of the charging barrel is in an inverted cone shape, a pair of handles are symmetrically arranged at two ends of the top of the inverted cone shape, and a heat insulation layer is arranged on each handle.