CN216745513U

CN216745513U - Kiln waste heat recovery utilizes device

Info

Publication number: CN216745513U
Application number: CN202220401519.0U
Authority: CN
Inventors: 赵茜; 冯善鑫; 王彤彤
Original assignee: Qilu University of Technology
Current assignee: Qilu University of Technology
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-14
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to a kiln waste heat recycling device, which is characterized in that a first waste heat recycling line is formed by structurally arranging a first hot air pipe, a heat exchanger, a second hot air pipe, a drying box, a water storage box and the like; a second waste heat utilization line is formed by structurally arranging a third hot air pipe, a drying box and the like; through the structural arrangement of the first hot air pipe, the heat exchanger, the water storage tank, the third water pipe, the second hot air pipe, the drying box and the like, a third waste heat utilization circuit is formed, the effective utilization of the waste heat of the kiln is realized, the waste heat is effectively utilized as required, the ceramic art teaching efficiency is obviously improved, and the reasonable resource allocation is realized.

Description

Kiln waste heat recovery utilizes device

Technical Field

The utility model relates to the field of kilns, in particular to a kiln waste heat recycling device.

Background

The kiln is a device built by refractory materials for firing ceramic products, is a necessary facility in ceramic art, and a greenware can be sintered to form a required device only by high-temperature calcination in the kiln. Because the firing temperature in the kiln is extremely high, the high-temperature waste heat flue gas after the firing of the traditional kiln is usually directly discharged through a discharge flue, so that a large amount of heat source waste is caused. In the pottery art teaching of colleges and universities, the kiln is an important content in the practice of students, and particularly in the pottery art teaching in winter, the teaching efficiency is low due to the low temperature, for example, the mud making efficiency is low, so that the practice times of each lesson are few.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art, the utility model provides the kiln waste heat recycling device, which can effectively utilize the kiln waste heat according to the needs, not only improves the ceramic art teaching efficiency, but also saves the energy and realizes the reasonable allocation of resources.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a kiln waste heat recycling device comprises a kiln, a heat exchanger, a water storage tank and a drying box, wherein a flue pipe is connected to the kiln, a fan is arranged on the flue pipe, and an air flue is arranged in the drying box;

the kiln is connected with an air inlet of the heat exchanger through a first hot air pipe connected with a flue pipe, an air outlet of the heat exchanger is connected with an air flue of the drying box through a second hot air pipe, the tail end of the air flue of the drying box is connected with an emptying pipe, and a first valve is arranged on the first hot air pipe;

the kiln is connected with the air passage of the drying box through a third hot air pipe connected with the flue pipe, and a second valve is arranged on the third hot air pipe;

the cold water port of the heat exchanger is connected with a first water pipe, a third valve is arranged on the first water pipe, a hot water port of the heat exchanger is connected with the water storage tank through a second water pipe, a liquid level meter and a thermometer are arranged in the water storage tank, and a water outlet head is arranged on the lower portion of the water storage tank.

When the kiln is used, hot air discharged through the flue pipe can be utilized, in the first route, heat can be transferred into water through the heat exchanger to form warm water or hot water, the warm water or the hot water is stored in the water storage tank, the heat storage tank can be used for washing hands, making mud and the like particularly in winter, teaching operation is carried out comfortably and efficiently, and then the residual heat is used for drying operation through the drying box so as to effectively utilize waste heat of the kiln; route two needs the heat when many in the stoving, can close first valve and third valve, opens the second valve and directly is used for the stoving operation with the waste heat to satisfy the teaching needs, improve the teaching efficiency as far as possible, thereby increase student's exercise number of times.

Furthermore, a third water pipe is connected between the water storage tank and the cold water port of the heat exchanger, and a water pump and a fourth valve are arranged on the third water pipe. When the water temperature in the water storage tank is low, for example, at the initial stage of teaching, the water storage tank is left with water which is not used up last time, the third valve can be closed, cold water is stopped from entering, the fourth valve is opened, the water pump is started to circularly exchange heat, so that the water temperature in the water storage tank is improved, and after the water temperature reaches a certain temperature, the water pump and the fourth valve are closed, and normal heat exchange is carried out.

Furthermore, a smoke filtering piece is arranged on the flue pipe and filters particulate matters in the flue gas of the kiln so as to reduce the damage to subsequent heat exchange heat.

Further, the flue pipe has the horizontal segment, the smoke and dust filters the filter including locating in the horizontal segment, the front side below of filter is equipped with the dust collection storehouse that links to each other with the horizontal segment, the bottom in dust collection storehouse is equipped with out the dirt mouth and rather than the complex sealed lid, the rear side of filter sets up the fan. So set up, can effectively collect filterable dust to the convenient dust of in time leading out.

Furthermore, the filter plate is obliquely arranged towards the front side of the filter plate, so that dust can be more conveniently settled in the dust collection bin.

Further, the air flue of stoving case is for setting up the S trend air flue in the stoving case, is convenient for comparatively make use of heat and dries the operation.

By adopting the technical scheme, the utility model has the advantages that: the kiln waste heat recycling device is structurally arranged through a first hot air pipe, a heat exchanger, a second hot air pipe, a drying box, a water storage box and the like to form a first waste heat utilization circuit; a second waste heat utilization line is formed by the structural arrangement of a third hot air pipe, a drying box and the like; through the structural arrangement of the first hot air pipe, the heat exchanger, the water storage tank, the third water pipe, the second hot air pipe, the drying box and the like, a third waste heat utilization circuit is formed, the effective utilization of the waste heat of the kiln is realized, the waste heat is effectively utilized as required, the ceramic art teaching efficiency is obviously improved, and the reasonable resource allocation is realized.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the soot tube and the soot filter of FIG. 1;

fig. 3 is a schematic diagram of an air passage distribution structure in the drying box.

In the figure, 1, a kiln, 2, a heat exchanger, 3, a water storage tank, 4, a drying box, 5, a flue pipe, 6, a fan, 7, a first hot air pipe, 8, a second hot air pipe, 9, an emptying pipe, 10, a first valve, 11, a third hot air pipe, 12, a second valve, 13, a first water pipe, 14, a third valve, 15, a second water pipe, 16, a liquid level meter, 17, a thermometer, 18, a third water pipe, 19, a water pump, 20, a fourth valve, 21, a smoke filtering piece, 22 and a dust collection bin.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-3, in this embodiment, the kiln waste heat recycling device includes a kiln 1, a heat exchanger 2, a water storage tank 3, and a drying tank 4, wherein the kiln 1 is connected with a flue pipe 5, the flue pipe 5 is provided with a fan 6, and the drying tank 4 is provided with an air flue;

the kiln 1 is connected with an air inlet of the heat exchanger 2 through a first hot air pipe 7 connected with a flue pipe 5, an air outlet of the heat exchanger 2 is connected with an air flue of the drying box 4 through a second hot air pipe 8, the tail end of the air flue of the drying box 4 is connected with an emptying pipe 9, and a first valve 10 is arranged on the first hot air pipe 7;

the kiln 1 is connected with an air passage of the drying box 4 through a third hot air pipe 11 connected with the flue pipe 5, and a second valve 12 is arranged on the third hot air pipe 11;

the cold water port of the heat exchanger 2 is connected with a first water pipe 13, a third valve 14 is arranged on the first water pipe 13, the hot water port of the heat exchanger 2 is connected with the water storage tank 3 through a second water pipe 15, a liquid level meter 16 and a thermometer 17 are arranged in the water storage tank 3, and a water outlet head is arranged on the lower portion of the water storage tank 3.

When the kiln is used, hot air discharged through the flue pipe 5 can be utilized, in the first route, heat can be transferred into water through the heat exchanger 2 to form warm water or hot water, the warm water or the hot water is stored in the water storage tank 3, and particularly in winter, the heat can be used for washing hands, making mud and the like, teaching operation is carried out comfortably and efficiently, and then drying operation is carried out through the drying tank 4 by utilizing residual heat, so that the residual heat of the kiln 1 is effectively utilized; route two can close first valve 10 and third valve 14 when the stoving needs the heat more, opens second valve 12 and directly uses the waste heat in the stoving operation to satisfy the teaching needs, improve teaching efficiency as far as possible, thereby increase student's exercise number of times.

Further, a third water pipe 18 is connected between the water storage tank 3 and the cold water port of the heat exchanger 2, and a water pump 19 and a fourth valve 20 are arranged on the third water pipe 18. When the water temperature in the water storage tank 3 is low, for example, in the initial stage of teaching, the water storage tank 3 is left with water which is not used up last time, the third valve 14 can be closed, cold water feeding is stopped, the fourth valve 20 is opened, the water pump is started to perform circulating heat exchange so as to improve the water temperature in the water storage tank 3, and after a certain temperature is reached, the water pump 19 and the fourth valve 20 are closed, and normal heat exchange is performed again.

Furthermore, a smoke filtering piece 21 is arranged on the flue pipe 5, and particulate matters in the kiln smoke are firstly filtered to reduce the damage to subsequent heat exchange heat equipment.

Further, flue pipe 5 has the horizontal segment, the smoke and dust filters piece 21 is including locating the filter in the horizontal segment, the front side below of filter is equipped with the dust collection bin 22 that links to each other with the horizontal segment, the bottom in dust collection bin 22 is equipped with out the dirt mouth and rather than the complex sealed lid, the rear side of filter sets up fan 6. So set up, can effectively collect filterable dust to the convenient dust of in time leading out.

Further, the air flue of the drying box 4 is an S-shaped air flue arranged in the drying box, so that the drying operation can be performed by utilizing heat more uniformly.

The above-described embodiments should not be construed as limiting the scope of the utility model, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.

The present invention is not described in detail, but is known to those skilled in the art.

Claims

1. The kiln waste heat recycling device is characterized by comprising a kiln, a heat exchanger, a water storage tank and a drying tank, wherein a flue pipe is connected to the kiln, a fan is arranged on the flue pipe, and an air flue is arranged in the drying tank;

2. The kiln waste heat recycling device as claimed in claim 1, wherein a third water pipe is connected between the water storage tank and the cold water port of the heat exchanger, and a water pump and a fourth valve are arranged on the third water pipe.

3. The kiln waste heat recycling device as claimed in claim 1 or 2, wherein a smoke filter is arranged on the flue pipe.

4. The kiln waste heat recycling device as claimed in claim 3, wherein the flue pipe has a horizontal section, the smoke filtering member comprises a filtering plate disposed in the horizontal section, a dust collecting bin connected with the horizontal section is disposed below the front side of the filtering plate, a dust outlet and a sealing cover matched with the dust outlet are disposed at the bottom of the dust collecting bin, and a fan is disposed at the rear side of the filtering plate.

5. The kiln waste heat recovery device as claimed in claim 4, wherein the filter plate is inclined toward the front side thereof.

6. The kiln waste heat recycling device according to claim 1, wherein the air passage of the drying box is an S-shaped air passage arranged in the drying box.