CN214250334U

CN214250334U - Efficient vacuum rake dryer

Info

Publication number: CN214250334U
Application number: CN202120115721.2U
Authority: CN
Inventors: 程骖
Original assignee: Jiangsu Chengcheng Machinery Technology Co ltd
Current assignee: Jiangsu Chengcheng Machinery Technology Co ltd
Priority date: 2021-01-17
Filing date: 2021-01-17
Publication date: 2021-09-21
Anticipated expiration: 2031-01-17

Abstract

The utility model relates to a vacuum rake dryer, in particular to an efficient vacuum rake dryer, which comprises an outer cylinder body, an inner container, stirring blades, a rotating shaft, a heating cavity, an air inlet, a condensation outlet, a discharging nozzle, a vacuum port, a charging hopper and a servo motor, wherein the outer surface of the outer cylinder body is wrapped with a heat insulation layer, the inner container is arranged inside the outer cylinder body, the heating cavity is arranged between the inner container and the outer cylinder body, the centers of the two sides of the heating cavity are respectively provided with the vacuum chambers, the upper side and the lower side of the heating cavity are respectively provided with the air inlet and the condensation outlet in a penetrating way, the top end of the air inlet and the bottom end of the condensation outlet respectively extend to the upper side and the lower side of the outer cylinder body, the upper side and the lower side of the inner container are respectively provided with the vacuum port, the charging hopper and the discharging nozzle in a penetrating way, and the top end of the vacuum port, the charging hopper and the bottom end of the discharging nozzle respectively extend to the upper side and the lower side of the outer cylinder body, the utility model discloses the integrated device simple structure, high-efficient operation has certain popularization effect.

Description

Efficient vacuum rake dryer

Technical Field

The utility model relates to a vacuum rake dryer specifically is an efficient vacuum rake dryer.

Background

A vacuum rake dryer is a novel horizontal intermittent vacuum drying equipment, wet materials are conducted and evaporated, a scraper stirrer is arranged to continuously remove materials on a hot surface, the materials are pushed in a container to form a circulating flow, water is evaporated and then pumped out by a vacuum pump, the vacuum rake dryer is used more in organic semi-finished products and fuel drying operation in chemical industry, and is particularly suitable for materials which are not high-temperature resistant and easy to oxidize at high temperature or materials which easily generate powder during drying, such as various fuels, and material drying operation in which steam or solvent discharged during drying must be recovered, the water content or solvent amount of the materials to be dried in the vacuum rake dryer is up to 90% at most, the lowest is only 15%, the materials to be dried have the shape of pulp, paste, granular and powder, and can also be fibrous, the water content of the materials after drying generally reaches 0.1% or even 0.05%, however, the drying time in the operation process is too long and not efficient enough, materials are easy to dry and dry, and the inner wall cannot be updated, so that the problem is improved by a high-efficiency vacuum rake dryer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficient vacuum rake dryer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an efficient vacuum rake dryer comprises an outer barrel, an inner container, stirring blades, a rotating shaft, a heating cavity, an air inlet, a condensation outlet, a discharge nozzle, a vacuum port, a feeding hopper and a servo motor, wherein a heat insulation layer is wrapped on the outer surface of the outer barrel, the inner container is arranged inside the outer barrel, the heating cavity is arranged between the inner container and the outer barrel, vacuum cavities are arranged at the centers of two sides of the heating cavity, the air inlet and the condensation outlet are respectively installed on the upper side and the lower side of the heating cavity in a penetrating way, the top end of the air inlet and the bottom end of the condensation outlet respectively extend to the upper side and the lower side of the outer barrel, the vacuum port, the feeding hopper and the discharge nozzle are respectively installed on the upper side and the lower side of the inner container in a penetrating way, the top end of the vacuum port, the feeding hopper and the bottom end of the discharge nozzle respectively extend to the upper side and the lower side of the outer barrel, and the rotating shaft transversely penetrates through the inner container, and both ends of the rotating shaft penetrate through the vacuum cavities and extend to the left side and the right side of the outer barrel respectively, stirring blades are fixedly mounted on the upper side and the lower side of the rotating shaft close to the inner container, wave designs are arranged on the outer edge openings of the stirring blades and the inner walls of the upper side and the lower side of the inner container, a servo motor is arranged on one side of the outer barrel, the servo motor and the rotating shaft are movably mounted through a coupler, fixed bases are fixedly mounted at the bottoms of the coupler and the servo motor, and support frames are fixedly mounted at the bottoms of the fixed bases and the outer barrel.

Preferably, a vacuum pump is arranged outside the vacuum port, and the vacuum pump and the vacuum port are communicated through a conduit.

Preferably, a fixed block is welded among the coupler, the servo motor and the fixed base.

Preferably, the outer cylinder, the fixed base and the support frame are welded through electric welding machines.

Preferably, the stirring fan blades are welded with the rotating shaft, and the outer edge openings of the stirring fan blades are completely attached to the inner wall of the inner container.

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

1. in the utility model, when in use, the materials to be dried can be guided into the inner container through the hopper, the vacuum pump and the servo motor are started to operate, the vacuum pump performs air extraction operation on the inner container through the vacuum port, the servo motor drives the stirring fan blades to rotate on the inner wall of the inner container through the rotating shaft, meanwhile, steam can be guided into the heating cavity through the air inlet, meanwhile, the stirring fan blades continuously update the surface of the inner wall of the inner container, the dried materials are indirectly heated by the steam in the heating cavity, so that the moisture of the materials is gasified, the gasified moisture is timely pumped away from the vacuum port by the vacuum pump, the materials are dried, the condensate water generated after the steam is heated can be guided out through the condensation outlet, the materials after the drying operation can be guided out through the discharge nozzle, and the outer edge port of the stirring fan blades and the inner walls on the upper side and the lower side of the inner container are both provided with wave designs, and make the inner wall of stirring fan blade outer bead mouth and inner bag laminate completely, usable wave shape increases its heating area on the one hand and reduces drying time, thereby can promote the drying efficiency of material, and then reach high-efficient operation, on the other hand can effectively avoid having behind the great gap between inner bag and the stirring fan blade, and the inner bag makes its inner wall unable renewal because of the material is dried knot, thereby greatly reduced is heated the effect, and then can guarantee that one of them is always in high-efficient operation state, and can be to effectively avoiding the heat loss of steam through the thermal-insulated heat preservation of parcel outer barrel surface, can reduce the formation rate of comdenstion water simultaneously.

Drawings

FIG. 1 is a schematic view of the overall front view of the external structure of the present invention;

FIG. 2 is a schematic view of the overall front view of the internal structure of the present invention;

FIG. 3 is a schematic view of a partially enlarged structure A of the present invention;

in the figure: 1-outer cylinder, 2-inner container, 3-stirring fan blades, 4-rotating shaft, 5-heating cavity, 6-air inlet, 7-condensation outlet, 8-discharge nozzle, 9-vacuum port, 10-wave design, 11-feeding hopper, 12-coupling, 13-servo motor, 14-fixed base, 15-support frame, 16-heat insulation layer and 17-vacuum cavity.

Detailed Description

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.

Referring to fig. 1-3, the present invention provides a technical solution:

an efficient vacuum rake dryer comprises an outer barrel body 1, an inner container 2, stirring fan blades 3, a rotating shaft 4, a heating cavity 5, an air inlet 6, a condensation outlet 7, a discharging nozzle 8, a vacuum port 9, a feeding hopper 11 and a servo motor 13, wherein a heat insulation layer 16 is wrapped on the outer surface of the outer barrel body 1, the inner container 2 is arranged inside the outer barrel body 1, the heating cavity 5 is arranged between the inner container 2 and the outer barrel body 1, vacuum cavities 17 are arranged at the centers of two sides of the heating cavity 5, the air inlet 6 and the condensation outlet 7 are respectively installed on the upper side and the lower side of the heating cavity 5 in a penetrating mode, the top end of the air inlet 6 and the bottom end of the condensation outlet 7 respectively extend to the upper side and the lower side of the outer barrel body 1, the vacuum port 9, the feeding hopper 11 and the discharging nozzle 8 are respectively installed on the upper side and the lower side of the inner container 2 in a penetrating mode, and the top ends of the vacuum port 9 and the feeding hopper 11 are respectively installed on the lower side, The bottom end of the discharge nozzle 8 extends to the upper side and the lower side of the outer cylinder 1 respectively, a rotating shaft 4 transversely penetrates through the inner container 2, two ends of the rotating shaft 4 penetrate through the vacuum cavity 17 and extend to the left side and the right side of the outer cylinder 1 respectively, stirring blades 3 are fixedly mounted on the upper side and the lower side of the position, close to the inner container 2, of the rotating shaft 4, wave designs 10 are arranged on the outer edge of each stirring blade 3 and the inner walls of the upper side and the lower side of the inner container 2 respectively, a servo motor 13 is arranged on one side of the outer cylinder 1, the servo motor 13 and the rotating shaft 4 are movably mounted through a coupler 12, a fixed base 14 is fixedly mounted at the bottoms of the coupler 12 and the servo motor 13, a support frame 15 is fixedly mounted at the bottoms of the fixed base 14 and the outer cylinder 1, when the rotary dryer is used, materials required to be dried can be guided into the inner container 2 through a feed hopper 11, and a vacuum pump and the servo motor 13 are started to start operation, the vacuum pump performs air extraction operation on the inner part of the inner container 2 through the vacuum port 9, the servo motor 13 drives the stirring fan blades 3 to rotate on the inner wall of the inner container 2 through the rotating shaft 4, meanwhile, steam can be guided into the heating cavity 5 through the air inlet 6, meanwhile, the stirring fan blades 3 enable the surface of the inner wall of the inner container 2 to be continuously updated, the dried material is indirectly heated by the steam in the heating cavity 5, so that the moisture of the material is gasified, the gasified moisture is timely pumped out from the vacuum port 9 by the vacuum pump, the drying operation on the material is achieved, condensed water generated after the steam is heated can be guided out through the condensation outlet 7, the material after the drying operation can be guided out through the discharge nozzle 8, the outer edge of the stirring fan blades 3 and the inner walls on the upper side and the lower side of the inner container 2 are provided with the wave designs 10, and the outer edge of the stirring fan blades 3 and the inner walls of the inner container 2 are completely attached, on the one hand, usable wave shape increases its heating area and reduces drying time, thereby can promote the drying efficiency of material, and then reach high-efficient operation, on the other hand can effectively avoid having behind the great gap between inner bag 2 and the stirring fan blade 3, and inner bag 2 makes its inner wall unable renewal because of the material dry and knot, thereby greatly reduced heated effect, and then can guarantee that it is always in high-efficient operation state, and can be to effectively avoiding the heat loss of steam through the thermal-insulated heat preservation 16 of parcel outer barrel 1 surface, can reduce the formation rate of comdenstion water simultaneously.

The utility model discloses the theory of operation: when the device is used, materials to be dried can be guided into the inner container 2 through the feeding hopper 11, the vacuum pump and the servo motor 13 are started to start operation, the vacuum pump performs air extraction operation on the inner container 2 through the vacuum port 9, the servo motor 13 drives the stirring fan blades 3 to rotate on the inner wall of the inner container 2 through the rotating shaft 4, meanwhile, steam can be guided into the heating cavity 5 through the air inlet 6, meanwhile, the stirring fan blades 3 enable the surface of the inner wall of the inner container 2 to be continuously updated, the dried materials are indirectly heated by the steam in the heating cavity 5, so that the moisture of the materials is gasified, the gasified moisture is timely pumped away from the vacuum port 9 through the vacuum pump, the materials are dried, condensed water generated after the steam is heated can be guided out through the condensation outlet 7, and the materials after the drying operation can be guided out through the discharge nozzle 8, the whole device simple structure, usable wave shape increases its heating area on the one hand and reduces drying time, thereby can promote the drying efficiency of material, and then reach high-efficient operation, on the other hand can effectively avoid having behind the great gap between inner bag and the stirring fan blade, and the inner bag makes its inner wall unable renewal because of the material is dried out, thereby greatly reduced is heated the effect, and then can guarantee that it is always in high-efficient operation state, can reduce the formation rate of comdenstion water simultaneously, certain spreading value has.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an efficient vacuum rake dryer, includes outer barrel (1), inner bag (2), stirring fan blade (3), pivot (4), heating cavity (5), air inlet (6), condensation outlet (7), ejection of compact mouth (8), vacuum port (9), loading hopper (11) and servo motor (13), its characterized in that: the outer surface of the outer barrel body (1) is wrapped by a heat insulation layer (16), an inner container (2) is arranged inside the outer barrel body (1), a heating cavity (5) is arranged between the inner container (2) and the outer barrel body (1), vacuum cavities (17) are arranged in the centers of two sides of the heating cavity (5), an air inlet (6) and a condensation outlet (7) are respectively installed on the upper side and the lower side of the heating cavity (5) in a penetrating mode, the top end of the air inlet (6) and the bottom end of the condensation outlet (7) respectively extend to the upper side and the lower side of the outer barrel body (1), a vacuum port (9), a feeding hopper (11) and a discharging nozzle (8) are respectively installed on the upper side and the lower side of the inner container (2) in a penetrating mode, the top end of the vacuum port (9), the feeding hopper (11) and the bottom end of the discharging nozzle (8) respectively extend to the upper side and the lower side of the outer barrel body (1), and a rotating shaft (4) transversely penetrates through the inner container (2), and pivot (4) both ends all pass vacuum cavity (17) and extend to the left and right sides of outer barrel (1) respectively, the equal fixed mounting in upper and lower both sides that pivot (4) are close to inner bag (2) department has stirring fan blade (3), stirring fan blade (3) outer bead and inner bag (2) upper and lower both sides inner wall all are provided with wave design (10), one side of outer barrel (1) is provided with servo motor (13), through shaft coupling (12) movable mounting between servo motor (13) and pivot (4), the bottom fixed mounting of shaft coupling (12) and servo motor (13) has fixed baseplate (14), the bottom fixed mounting of fixed baseplate (14) and outer barrel (1) has support frame (15).

2. A high efficiency vacuum rake dryer as set forth in claim 1, wherein: the vacuum pump is arranged outside the vacuum port (9), and the vacuum pump and the vacuum port are communicated through a conduit.

3. A high efficiency vacuum rake dryer as set forth in claim 1, wherein: and a fixed block is welded among the coupling (12), the servo motor (13) and the fixed base (14).

4. A high efficiency vacuum rake dryer as set forth in claim 1, wherein: the outer cylinder body (1), the fixed base (14) and the support frame (15) are welded through electric welding machines.

5. A high efficiency vacuum rake dryer as set forth in claim 1, wherein: stirring fan blade (3) and pivot (4) butt fusion, and stirring fan blade (3) outer bead and the inner wall of inner bag (2) laminate completely.