CN219656497U

CN219656497U - Energy-saving dryer

Info

Publication number: CN219656497U
Application number: CN202321211369.8U
Authority: CN
Inventors: 杨红江; 武俊超; 郭士伟; 郭志强
Original assignee: Jinding Mining Co ltd Of Luanchuan County
Current assignee: Jinding Mining Co ltd Of Luanchuan County
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-09-08
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses an energy-saving dryer which comprises a paddle dryer used for drying mineral powder, and further comprises a heating tank used for providing heat energy for the paddle dryer, wherein an oil supply end of the paddle dryer is communicated with a circulating pump, the heating tank is connected with the oil supply end of the circulating pump, and an oil outlet end of the paddle dryer is communicated with an oil tank. According to the utility model, the paddle dryer, the oil tank, the heating tank and the circulating pump are utilized to form circulating heating and oil supply, and meanwhile, the electric heating is utilized to ensure the use efficiency of heat energy and the heat energy recovery efficiency in the transmission process, so that the drying effect and the energy-saving effect of the paddle dryer are improved; utilize inside center tube of oil tank and paddle cooperation to separate out and discharge the inside bubble of recovery oil, avoid the conduction oil to cause unstable and the intensification slowly because of the bubble reason in the circulation, utilize the slope setting of paddle to make the bubble that separates out come up along the inner wall of oil tank simultaneously, form the heat preservation to the oil tank inner wall, improve the heat preservation effect of inside fluid.

Description

Energy-saving dryer

Technical Field

The utility model relates to the field of molybdenum concentrate processing, in particular to an energy-saving dryer.

Background

At present, a domestic molybdenum concentrate drying and roasting system generally adopts a flash dryer and an internal heating type rotary kiln, the molybdenum concentrate is added into the flash dryer through a feeder, enters the flash dryer and is mixed with hot air, the material forms granular fluidization under the action of the hot air and mechanical dispersion force, exists in the hot air in a highly dispersed state, the molybdenum concentrate is fully mixed with the hot air, the heat and mass exchange is instantly completed, the drying process is quick and full, the molybdenum concentrate is collected through a receiver after being dried, and the obtained powdery product enters the rotary kiln for roasting.

In the prior art and molybdenum ore processing and drying, most of the drying is performed by steam drying and a small part of the drying is performed by heat transfer oil, and in actual operation, it is found that in the heat transfer oil drying cycle, most of the heating mode is closed heating, because the heat transfer oil is extremely easy to generate bubbles in cold and hot alternation, the closed mode is easy to cause instability of internal air pressure, thereby causing danger, and meanwhile, the bubbles need to be treated.

Disclosure of Invention

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide an energy-saving dryer.

The utility model realizes the above purpose through the following technical scheme:

the energy-saving dryer comprises a paddle dryer for drying mineral powder, and further comprises a heating tank for providing heat energy for the paddle dryer, wherein an oil supply end of the paddle dryer is communicated with a circulating pump, the heating tank is connected to the oil supply end of the circulating pump, and an oil outlet end of the paddle dryer is communicated with an oil tank;

the blade dryer is connected to a side inlet of the oil tank through a discharge pipe, the outlet of the discharge pipe corresponds to a power plate, close to the bottom, of the inner side of the oil tank, the power plate is arranged on a central pipe, the bottom of the central pipe is connected to the inside of the oil tank through a support pipe, a spiral blade is arranged on the central pipe, located on the upper side of the power plate, and a gap exists between the edge of the blade and the inner wall of the oil tank;

and a plurality of oil return ports are uniformly formed on the wall of the central pipe.

Preferably: the heating tank is provided with two, the heating pump is all installed at heating tank both ends.

So set up, the inside heating oil of two heating tanks is all heated through the heating pump.

Preferably: the bottom of the oil tank is communicated with the heating tanks at the front end through oil return pipes, and the two heating tanks are communicated through progressive pipes.

By means of the arrangement, circulation heating and oil supply are achieved through progressive transmission of the oil return pipe and the progressive pipe.

Preferably: the rear end the heating jar upper end through the pressure release pipe with the oil tank intercommunication, just the pressure release intraductal check valve that is provided with.

So set up, produce pressure after the inside oil of heating jar is heated to unload the oil tank inside with pressure through the pressure release pipe, when guaranteeing the security, avoid extravagant with heat energy transmission to the oil tank inside.

Preferably: temperature sensors are arranged on the inner walls of the oil tank and the heating tank.

So configured, for detecting temperature.

Compared with the prior art, the utility model has the following beneficial effects:

1. the paddle dryer, the oil tank, the heating tank and the circulating pump are utilized to form circulating heating and oil supply, and meanwhile, the electric heating is utilized to ensure the use efficiency of heat energy and the heat energy recovery efficiency in the transmission process, so that the drying effect and the energy-saving effect of the paddle dryer are improved;

2. utilize inside center tube of oil tank and paddle cooperation to separate out and discharge the inside bubble of recovery oil, avoid the conduction oil to cause unstable and the intensification slowly because of the bubble reason in the circulation, utilize the slope setting of paddle to make the bubble that separates out come up along the inner wall of oil tank simultaneously, form the heat preservation to the oil tank inner wall, improve the heat preservation effect of inside fluid.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic view of an energy-saving dryer according to the present utility model;

fig. 2 is a schematic diagram of a first structure of an oil tank of an energy-saving dryer according to the present utility model;

fig. 3 is a schematic diagram of a second structure of an oil tank of the energy-saving dryer according to the present utility model;

fig. 4 is a schematic diagram of the internal structure of an oil tank of an energy-saving dryer according to the present utility model;

fig. 5 is a sectional view of the inside of an oil tank of an energy-saving dryer according to the present utility model;

fig. 6 is a schematic diagram of a fit clearance structure between a blade and an oil tank of the energy-saving dryer according to the present utility model.

The reference numerals are explained as follows:

1. a paddle dryer; 2. an oil tank; 3. a heating tank; 4. a circulation pump; 11. a discharge pipe; 21. an oil return pipe; 22. a pressure release valve; 23. a central tube; 24. a paddle; 25. a power plate; 26. a support tube; 231. an oil return port; 31. a progressive pipe; 32. an oil outlet pipe; 33. heating the pump; 34. and a pressure relief tube.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

example 1

As shown in fig. 1-6, the energy-saving dryer comprises a paddle dryer 1 for drying mineral powder, and further comprises a heating tank 3 for providing heat energy for the paddle dryer 1, wherein an oil supply end of the paddle dryer 1 is communicated with a circulating pump 4, the heating tank 3 is connected to the oil supply end of the circulating pump 4, and an oil outlet end of the paddle dryer 1 is communicated with an oil tank 2;

as shown in fig. 4-5, the paddle dryer 1 is connected to the side inlet of the oil tank 2 through the discharge pipe 11, the outlet of the discharge pipe 11 corresponds to a power plate 25 which is close to the bottom and is arranged on the inner side of the oil tank 2, the power plate 25 is arranged on the central pipe 23, the bottom of the central pipe 23 is connected to the inside of the oil tank 2 through a supporting pipe 26, a spiral paddle 24 is arranged on the central pipe 23 and is positioned on the upper side of the power plate 25, and a gap exists between the edge of the paddle 24 and the inner wall of the oil tank 2;

a plurality of oil return openings 231 are uniformly formed on the wall of the central tube 23.

Preferably: the two heating tanks 3 are arranged, the heating pumps 33 are arranged at the two ends of the heating tanks 3, and the heating oil in the two heating tanks 3 is heated by the heating pumps 33; the bottom of the oil tank 2 is communicated with the front-end heating tanks 3 through the oil return pipe 21, the two heating tanks 3 are communicated through the progressive pipe 31, and the circulating heating and oil supply are realized through progressive transmission of the oil return pipe 21 and the progressive pipe 31; the upper end of the rear-end heating tank 3 is communicated with the oil tank 2 through a pressure relief pipe 34, a one-way valve is arranged in the pressure relief pipe 34, and when oil in the heating tank 3 is heated, pressure is generated, so that the pressure is discharged into the oil tank 2 through the pressure relief pipe 34, and heat energy is transmitted into the oil tank 2 to avoid waste while the safety is ensured; temperature sensors are arranged on the inner walls of the oil tank 2 and the heating tank 3 and are used for detecting temperature.

Working principle: after the heat pump 33 heats the heat conduction oil in the two oil tanks 2, the circulation pump 4 is started, and the heated heat conduction oil is transmitted to the hollow paddles 24 in the paddle dryer 1 through the oil outlet pipe 32, so that the paddles 24 are used for overturning and drying mineral powder;

after the mineral powder absorbs heat and dries, the heat conduction oil in the blade 24 exchanges heat and cools, then the heat conduction oil is discharged to the bottom of the oil tank 2 from the discharge pipe 11, the corresponding power plate 25 is discharged, the power plate 25 is impacted to drive the central pipe 23 and the blade 24 to rotate, after the heat conduction oil is impacted to the power plate 25, part of bubbles in the heat conduction oil are separated out and float up along the surface of the blade 24, and as shown by the blade 24 in fig. 5, the outer side of the blade 24 is higher than the middle side, the bubbles are driven to float towards the edge by the outline of the blade 24 and float up along the inner wall of the oil tank 2, so that a bubble layer is formed between the oil tank 2 and the blade 24, an insulating layer is provided, meanwhile, the rotation of the blade 24 drives the heat conduction oil at the bottom upwards, and flows into the central pipe 23 along the oil return opening 231 and then is discharged into the heating tank 3 from the oil return pipe 21, a reheating cycle is performed, and the air pressure in the oil tank 2 is discharged through the pressure release valve 22 at the top.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Energy-saving dryer, including being used for carrying out paddle desiccator (1) that dries to powdered ore, its characterized in that: the system further comprises a heating tank (3) for providing heat energy for the paddle dryer (1), wherein the oil supply end of the paddle dryer (1) is communicated with the circulating pump (4), the heating tank (3) is connected to the oil supply end of the circulating pump (4), and the oil outlet end of the paddle dryer (1) is communicated with the oil tank (2);

the paddle dryer (1) is connected to a side inlet of the oil tank (2) through a discharge pipe (11), an outlet of the discharge pipe (11) corresponds to a power plate (25) close to the bottom inside the oil tank (2), the power plate (25) is installed on a central pipe (23), the bottom of the central pipe (23) is connected to the inside of the oil tank (2) through a support pipe (26), a spiral paddle (24) is installed on the central pipe (23) and located on the upper side of the power plate (25), and a gap exists between the edge of the paddle (24) and the inner wall of the oil tank (2);

a plurality of oil return openings (231) are uniformly formed in the wall of the central tube (23).

2. The energy-saving dryer as set forth in claim 1, wherein: the two heating tanks (3) are arranged, and heating pumps (33) are arranged at two ends of the heating tanks (3).

3. An energy-saving dryer according to claim 2, characterized in that: the bottom of the oil tank (2) is communicated with the heating tanks (3) at the front end through an oil return pipe (21), and the two heating tanks (3) are communicated through progressive pipes (31).

4. The energy-saving dryer as set forth in claim 1, wherein: the upper end of the heating tank (3) at the rear end is communicated with the oil tank (2) through a pressure relief pipe (34), and a one-way valve is arranged in the pressure relief pipe (34).

5. The energy-saving dryer as set forth in claim 1, wherein: temperature sensors are arranged on the inner walls of the oil tank (2) and the heating tank (3).