CN220018112U

CN220018112U - Phase-change roasting furnace

Info

Publication number: CN220018112U
Application number: CN202321353663.2U
Authority: CN
Inventors: 何世猛; 杨青林; 陈国树; 张志刚; 蔡华; 姚海辉; 陈文龙; 符朝琼
Original assignee: Hainan Wenchang Fuyao Silica Sand Co ltd
Current assignee: Hainan Wenchang Fuyao Silica Sand Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-14
Anticipated expiration: 2033-05-30

Abstract

The utility model relates to the technical field of sand roasting furnaces, in particular to a phase-change roasting furnace, which comprises: the roasting device comprises a roasting barrel, a feeding barrel, a discharging pipe, a pneumatic transmitting tank, a furnace top barrel, a chimney, a first heat exchange pipe, a roasting furnace fan, a cooling barrel and a cooling machine, wherein the roasting barrel is divided into an upper barrel and a lower barrel, and the upper barrel is connected with the lower barrel; the feeding barrel is arranged at one side of the lower barrel; the discharging pipe is connected with the lower barrel; the pneumatic transmitting tank is arranged at the lower end of the lower barrel; the furnace top barrel is connected with the pneumatic transmitting tank through a pipeline; the chimney is connected between the furnace top barrel and the upper barrel. According to the utility model, the inner barrel and the outer barrel of the lower barrel are separated, so that the high-temperature sand and the sand to be treated can be subjected to temperature synthesis in the lower barrel, the energy consumption requirement for heating the sand to be treated is effectively reduced, the temperature in the roasting furnace can be continuously kept warm through the heat conduction of the heat exchange pipe, and the heat loss in the roasting furnace is reduced, thereby reducing the loss of natural gas, and being more environment-friendly and energy-saving.

Description

Phase-change roasting furnace

Technical Field

The utility model relates to the technical field of sand roasting furnaces, in particular to a phase-change roasting furnace.

Background

As is well known, the sand powder material is generally subjected to the technological processes of drying, high-temperature roasting, purifying and the like in the manufacturing process, and the roasting generally needs a roasting furnace for carrying out high-temperature treatment on sand, so that energy consumption is greatly reduced, and the machine comprises a horizontal roasting furnace and a vertical roasting furnace.

The roasting furnace on the market heats the sand grains through a thermal method when roasting the sand grains at high temperature, the roasting furnace is utilized to roast the sand grains, the sand grains enter the roasting furnace to be cold sand grains, the cold sand grains need to consume more heat of the roasting furnace from low temperature to high temperature, and the roasted sand grains are directly subjected to cooling treatment, so that the sand grains subjected to secondary feeding are heated from low temperature to high temperature again when being roasted, the natural gas amount consumed in the roasting furnace is increased, energy consumption is relatively high, the environment is polluted, and further the roasting cost of the sand grains is increased.

Disclosure of Invention

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and the appended drawings.

The utility model aims to overcome the defects and provide a phase-change roasting furnace.

In order to achieve the above object, the technical solution of the present utility model is: a phase change roasting furnace comprising: the roasting device comprises a roasting barrel, a feeding barrel, a discharging pipe, a pneumatic transmitting tank, a furnace top barrel, a chimney, a first heat exchange pipe, a roasting furnace fan, a cooling barrel and a cooling machine, wherein the roasting barrel is divided into an upper barrel and a lower barrel, and the upper barrel is connected with the lower barrel; the feeding barrel is arranged at one side of the lower barrel; the discharging pipe is connected with the lower barrel; the pneumatic transmitting tank is arranged at the lower end of the lower barrel; the furnace top barrel is connected with the pneumatic transmitting tank through a pipeline; the chimney is connected between the furnace top barrel and the upper barrel; one side of the first heat exchange tube is connected with the chimney, and the other side of the first heat exchange tube is connected with the chimney; the roasting furnace fan is connected with the upper barrel and is used for heating materials in the upper barrel; the cooling barrel is positioned at one side of the discharge end of the discharge pipe; the cooling machine is connected with the cooling barrel; wherein, the lower bucket is divided into inner barrel and outer bucket, and in the inner barrel was joined in marriage outer bucket, give the storage bucket and be connected with outer bucket, the inner barrel is located the unloading end one side of last bucket.

Preferably, the cooler is cooled by air cooling or water cooling.

Preferably, a temperature driver is arranged between the upper barrel and the inner barrel, and the temperature driver is used for discharging materials in the upper barrel to the inner barrel when the materials in the upper barrel are heated to a set temperature.

Preferably, the discharge ports of the inner barrel and the outer barrel are the same.

Preferably, a temperature driver is arranged between the lower barrel and the discharging pipe, and the temperature driver is used for opening the discharging pipe to discharge when the temperature of the materials in the lower barrel is integrated to a set temperature.

Preferably, the roasting furnace fan is connected with the upper barrel and the cooler is connected with the cooling barrel through an air pipe.

Preferably, the roasting barrel is mounted on the ground through a bracket.

Preferably, the inner barrel is made of stainless steel.

Preferably, the cooling barrel further comprises a second heat exchange tube, and the cooling barrel is connected with the chimney through the second heat exchange tube.

By adopting the technical scheme, the utility model has the beneficial effects that: according to the utility model, the inner barrel and the outer barrel of the lower barrel are separated, so that the high-temperature sand and the sand to be treated can be subjected to temperature synthesis in the lower barrel, the energy consumption requirement for heating the sand to be treated is effectively reduced, the temperature in the roasting furnace can be continuously kept warm through the heat conduction of the heat exchange pipe, and the heat loss in the roasting furnace is reduced, thereby reducing the loss of natural gas, and being more environment-friendly and energy-saving.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

It is apparent that these and other objects of the present utility model will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model, without limitation to the utility model.

In the drawings, like parts are designated with like reference numerals and are illustrated schematically and are not necessarily drawn to scale.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the utility model, and that other drawings can be obtained according to such drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a phase-change roasting furnace according to the present utility model;

fig. 2 is a schematic view of the structure of the lower tub of the present utility model.

The main reference numerals illustrate: the device comprises a roasting barrel-1, an upper barrel-2, a lower barrel-3, a feeding barrel-4, a discharging pipe-5, a pneumatic transmitting tank-6, a furnace top barrel-7, a chimney-8, a first heat exchange pipe-9, a roasting furnace fan-10, a cooling barrel-11, a cooler-12, a pipeline-13, a second heat exchange pipe-14, an inner barrel-31 and an outer barrel-32.

Detailed Description

The following will describe embodiments of the present utility model in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present utility model, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that, as long as no conflict is formed, each embodiment of the present utility model and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present utility model.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced without some of these specific details or in the specific manner described herein.

Referring to fig. 1-2, the present utility model provides a phase change roasting furnace, comprising: the roasting device comprises a roasting barrel 1, a feeding barrel 4, a discharging pipe 5, a pneumatic transmitting tank 6, a furnace top barrel 7, a chimney 8, a first heat exchange pipe 9, a roasting furnace fan 10, a cooling barrel 11 and a cooling machine 12, wherein the roasting barrel 1 is divided into an upper barrel 2 and a lower barrel 3, and the upper barrel 2 is connected with the lower barrel 3; the feeding barrel 4 is arranged at one side of the lower barrel 3; the discharging pipe 5 is connected with the lower barrel 3; the pneumatic transmitting tank 6 is arranged at the lower end of the lower barrel 3; the furnace top barrel 7 is connected with the pneumatic transmitting tank 6 through a pipeline 13; the chimney 8 is connected between the furnace top barrel 7 and the upper barrel 2; one side of the first heat exchange tube 9 is connected with the chimney 8, and the other side is connected with the chimney 8; the roasting furnace fan 10 is connected with the upper barrel 2 and is used for heating materials in the upper barrel 2; the cooling barrel 11 is positioned at one side of the discharge end of the discharge pipe 5; the cooler 12 is connected with the cooling barrel 11; wherein, the lower barrel 3 is divided into an inner barrel 31 and an outer barrel 32, the inner barrel 31 is matched into the outer barrel 32, the feeding barrel 4 is connected with the outer barrel 32, and the inner barrel 31 is positioned at one side of the discharging end of the upper barrel 2.

According to some embodiments of the utility model, the chiller 12 may alternatively be cooled by air or water cooling. The two ways can carry out better cooling treatment on the roasted sand grains.

According to some embodiments of the present utility model, optionally, a temperature actuator is provided between the upper tub 2 and the inner tub 31 and is used to discharge the material in the upper tub 2 to the inner tub 31 when the material is warmed to a set temperature. Has the function of realizing automatic blanking.

According to some embodiments of the present utility model, the discharge ports of the inner barrel 31 and the outer barrel 32 are optionally the same. When the sand materials in the inner barrel 31 and the outer barrel 32 reach the comprehensive temperature, the same discharge port can realize the uniform discharge of the inner barrel 31 and the outer barrel 32 at the same time.

According to some embodiments of the utility model, optionally, a temperature driver is arranged between the lower barrel 3 and the discharging pipe 5, and the discharging pipe 5 is opened to discharge when the temperature of the materials in the lower barrel 3 is integrated to a set temperature. Has the function of realizing automatic discharging.

According to some embodiments of the utility model, the roasting furnace fan 10 is optionally connected with the upper barrel 2, and the cooler 12 is connected with the cooling barrel 11 through an air pipe. Has the function of realizing rapid cooling by connecting and sealing the pipelines.

According to some embodiments of the utility model, optionally, the roasting vat 1 is mounted on the ground by means of brackets. Has a stable effect on the roasting barrel 1.

According to some embodiments of the present utility model, the inner tub 31 is optionally made of stainless steel. The material has the functions of high temperature resistance and long-term use in high temperature environment.

According to some embodiments of the utility model, optionally, the roasting furnace further comprises a second heat exchange tube 14, and the cooling tub 11 is connected to the chimney 8 through the second heat exchange tube 14. When the cooling barrel 11 is cooled, the heat discharged by the cooling barrel 11 is led into the chimney 8 through the second heat exchange pipe 14, so that sand grains in the chimney 8 can be heated, and the effect of exchanging heat with the height Wen Shali in the cooling barrel 11 is realized, thereby reducing the natural gas amount required in the later roasting furnace.

When the device is used, firstly, sand grains to be roasted are firstly led into the outer barrel 3 in the lower barrel 3 from the feeding barrel 4, then are sequentially conveyed to the top barrel 7, the chimney 8 and the upper barrel 2 through the pneumatic transmitting tank 6, at the moment, the sand grains are positioned in the upper barrel 2, the roasting furnace fan 10 is started to heat the sand grains in the upper barrel 2, and the sand grains fall into the inner barrel 31 after being treated, which is equivalent to the sand grains stored in the inner barrel 31 in advance after being heated. Then start working: the material is led into the outer barrel 3 again by the feeding barrel 4, the material is adjacent to the outer barrel 3 through the inner barrel 31, the high Wen Shali in the inner barrel 31 conducts heat to the sand grains to be heated in the outer barrel 3, after the temperature of the inner barrel and the outer barrel is integrated, when the required proper temperature is reached, the quantitative valve of the lower barrel 3 is opened, sand grains with proper temperature are respectively conveyed into the discharging pipe 5 and the pneumatic transmitting tank 6, the discharging pipe 5 guides the sand grains into the cooling barrel 11 to wait for cooling, the pneumatic transmitting tank 6 conveys the sand grains into the top barrel 7 through the second heat exchange pipe 13, and the sand grains are led into the upper barrel 2 through the chimney 8, so that the roasting furnace fan 10 can heat the sand grains with integrated temperature in the upper barrel 2, after heating, the sand grains are led into the inner barrel 31 and the sand grains to be led into the outer barrel 3 again after heating, so that circulation is realized, and the heated sand grains and the sand grains to be heated are subjected to heat exchange, so that the temperature of the sand grains in the barrel changes in a phase change mode, and the heating time is reduced. Wherein, be provided with first heat exchange tube 9 between last bucket 2 and the chimney 8 for last bucket 2 when heating, can blow the heat to in the chimney 8, accomplish the conduction heat between chimney 8 and the last bucket 2, make the sand grain also can obtain the treatment of heating when the chimney 8 in, further reduce subsequent heating time. When the cooling machine 12 cools the sand grains with integrated temperature in the cooling barrel 11, heat discharged by the cooling barrel 11 is conducted to the chimney 8 through the second heat exchange tube 14, so that the temperature in the chimney 8 is further increased, heat exchange between the chimney 8 and the cooling barrel 11 is completed, the temperature of the sand grains subsequently led into the upper barrel 2 is further increased, and the required heating time is further reduced, so that the loss of natural gas is reduced.

It is to be understood that the disclosed embodiments are not limited to the specific process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic, described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, numbers, etc., to provide a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the utility model can be practiced without one or more of the specific details, or with other methods, components, materials, etc.

Claims

1. A phase change roasting furnace, comprising:

the roasting barrel (1) is divided into an upper barrel (2) and a lower barrel (3), and the upper barrel (2) is connected with the lower barrel (3);

a feeding barrel (4) which is arranged at one side of the lower barrel (3);

the discharging pipe (5) is connected with the lower barrel (3);

a pneumatic transmitting tank (6) arranged at the lower end of the lower barrel (3);

the furnace top barrel (7) is connected with the pneumatic transmitting tank (6) through a pipeline (13);

a chimney (8) connected between the top barrel (7) and the upper barrel (2);

a first heat exchange tube (9) one side of which is connected with the chimney (8) and the other side of which is connected with the chimney (8);

a roasting furnace fan (10) which is connected with the upper barrel (2) and is used for heating the materials in the upper barrel (2);

the cooling barrel (11) is positioned at one side of the discharge end of the discharge pipe (5);

a cooling machine (12) connected to the cooling tub (11); wherein,

the lower barrel (3) is divided into an inner barrel (31) and an outer barrel (32), the inner barrel (31) is matched into the outer barrel (32), the feeding barrel (4) is connected with the outer barrel (32), and the inner barrel (31) is positioned at one side of the discharging end of the upper barrel (2).

2. A phase change roasting furnace according to claim 1, wherein: the cooler (12) is cooled by air cooling or water cooling.

3. A phase change roasting furnace according to claim 1, wherein: a temperature driver is arranged between the upper barrel (2) and the inner barrel (31) and is used for discharging materials into the inner barrel (31) when the materials in the upper barrel (2) are heated to a set temperature.

4. A phase change roasting furnace according to claim 1, wherein: the discharge holes of the inner barrel (31) and the outer barrel (32) are the same.

5. A phase change roasting furnace according to claim 1, wherein: a temperature driver is arranged between the lower barrel (3) and the discharging pipe (5) and is used for opening the discharging pipe (5) to discharge when the temperature of the materials in the lower barrel (3) is integrated to a set temperature.

6. A phase change roasting furnace according to claim 1, wherein: the roasting furnace fan (10) is connected with the upper barrel (2) and the cooler (12) is connected with the cooling barrel (11) through an air pipe.

7. A phase change roasting furnace according to claim 1, wherein: the roasting barrel (1) is arranged on the ground through a bracket.

8. A phase change roasting furnace according to claim 1, wherein: the inner barrel (31) is made of stainless steel.

9. A phase change roasting furnace according to claim 1, wherein: the cooling barrel (11) is connected with the chimney (8) through the second heat exchange tube (14).