CN214065682U

CN214065682U - High-temperature slag waste heat recovery shaft kiln

Info

Publication number: CN214065682U
Application number: CN202023131508.5U
Authority: CN
Inventors: 雷勇; 戴路明
Original assignee: Suzhou Hangming Environmental Protection And Energy Saving Technology Co ltd
Current assignee: Suzhou Hangming Environmental Protection And Energy Saving Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-27
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a high-temperature slag waste heat recovery shaft kiln, which comprises a kiln body, wherein a stacking cavity is arranged at the lower part in the kiln body, a heat exchange inner container is arranged at the upper part in the kiln body corresponding to the stacking cavity, and a hollow heat exchange cone is arranged at the bottom of the heat exchange inner container in a downward extending manner; the lateral wall of the kiln body corresponds it is provided with the input mouth and rotates in input mouth department and be provided with the apron to stack the chamber, the inboard both sides of apron are provided with and keep off the edge, still be provided with on the outer wall of the kiln body and lock the locking mechanical system who is the tilt state with the apron, keep off and form the feed slide between the apron of edge and slope. The apron that sets up makes the high temperature sediment can be more smooth add to stack the intracavity, and the hydroenergy that gets into in the heat transfer inner bag can be with the heat absorption of stacking the intracavity high temperature sediment and become hot or generate steam, and hot water or steam can carry out subsequent utilization. The heat exchange cone can be inserted into the high-temperature slag, so that the heat inside the high-temperature slag is fully utilized.

Description

High-temperature slag waste heat recovery shaft kiln

Technical Field

The utility model relates to a shaft kiln technical field, concretely relates to high temperature sediment waste heat recovery shaft kiln.

Background

In the process of calcining, a large amount of fuel is needed to generate enough high temperature, the fuel generates high-temperature slag after being burnt out, and the direct discarding of the high-temperature slag can not only affect other equipment, but also cause energy waste. The existing recovery mode comprises water immersion heat exchange, rolling heat exchange and the like. The hot water produced by these heat exchange methods contains many impurities and needs to be filtered for use. This increases the cost and difficulty of high-temperature slag recovery, so that the economy of high-temperature slag recovery is reduced.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a high temperature sediment waste heat recovery shaft kiln can simplify the recovery flow of high temperature sediment, improves the efficient of retrieving.

The utility model provides a technical scheme be: a high-temperature slag waste heat recovery shaft kiln comprises a kiln body, wherein a stacking cavity is formed in the lower portion in the kiln body, a heat exchange inner container is arranged on the upper portion in the kiln body and corresponds to the stacking cavity, a water inlet and an outlet which are communicated with the outside of the kiln body are formed in the heat exchange inner container, and a hollow heat exchange cone is further arranged at the bottom of the heat exchange inner container in a downward extending mode; the lateral wall of the kiln body corresponds it is provided with the input mouth and rotates in input mouth department and be provided with the apron to stack the chamber, the inboard both sides of apron are provided with and keep off the edge, still be provided with on the outer wall of the kiln body and lock the locking mechanical system who is the tilt state with the apron, keep off and form the feed slide between the apron of edge and slope.

The beneficial effects of the above technical scheme are: the apron that sets up makes the high temperature sediment can be more smooth add to stack the intracavity, and the hydroenergy that gets into in the heat transfer inner bag can be with the heat absorption of stacking the intracavity high temperature sediment and become hot or generate steam, and hot water or steam can carry out subsequent utilization. The heat exchange cone can increase the heat absorption capacity of the heat exchange inner container, and can be inserted into the high-temperature slag when in use, so that the heat inside the high-temperature slag is fully utilized.

Furthermore, the outer diameter of the heat exchange inner container is smaller than the inner diameter of the kiln body, and a lifting assembly for driving the heat exchange inner container to lift is arranged in the kiln body. The heat exchange inner container can be inserted into the high-temperature slag through descending, so that the internal heat of the high-temperature slag can be absorbed quickly.

Further, the lifting assembly comprises a jack, the bottom of the jack is arranged close to the inner wall of the kiln body, and the movable end of the jack is fixedly connected with the edge of the bottom of the heat exchange liner.

Further, locking mechanical system includes the connecting strip, the one end of connecting strip with kiln body outer wall is articulated, the bar hole has been seted up on the connecting strip, be provided with on the apron and wear to locate the downthehole fixed pin of bar. The cover plate opens the input port through outwards turning and is locked in an inclined state by the connecting strip, and high-temperature slag can enter the stacking cavity through sliding on the cover plate.

Further, the stacking cavity is a concave arc-shaped cavity, a slag discharging cavity is further arranged below the stacking cavity, and the kiln body corresponds to the slag discharging cavity and is provided with a slag discharging hole. The arc cavity can concentrate the heat and radiate to the heat exchange inner container, and heat loss is reduced.

Furthermore, an inclined sliding plate is arranged in the slag discharging cavity, and the lower end of the sliding plate is abutted against the lower edge of the slag discharging hole. The slide plate can smoothly lead the cooled high-temperature slag out of the kiln body.

Further, the bottom of arc cavity is provided with the whereabouts mouth, whereabouts mouth department still rotates and is provided with the shutoff lid, the pivot of shutoff lid set up in on the inner wall of the kiln body. The high-temperature slag can be released into the slag discharging cavity from the arc-shaped cavity by opening the blocking cover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a front cross-sectional view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of the embodiment of the present invention.

Reference numerals: the kiln comprises a kiln body 100, a cover plate 120, a blocking edge 121, a connecting strip 122, a stacking cavity 200, a blocking cover 210, a heat exchange liner 300, a heat exchange cone 310, a jack 320, a sliding plate 400 and a slag outlet 410.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1-2, the embodiment provides a high-temperature slag waste heat recovery shaft kiln, which includes a kiln body 100, a stacking cavity 200 is disposed at a lower portion in the kiln body 100, a heat exchange liner 300 is disposed at an upper portion in the kiln body 100 corresponding to the stacking cavity 200, and the heat exchange liner 300 is provided with a water inlet and an outlet communicated with an outside of the kiln body 100. Water is introduced into the heat exchange inner container 300 through the water inlet to absorb heat of the high temperature slag, and hot water or steam is discharged through the outlet. The bottom of the heat exchange liner 300 is also provided with a hollow heat exchange cone 310 in a downward extending manner; the position that the lateral wall of the kiln body 100 corresponds to stacking the chamber 200 is provided with the input mouth and rotates at the input mouth and is provided with apron 120, and the both sides of apron 120 inboard are provided with fender edge 121, still be provided with on the outer wall of the kiln body 100 and lock apron 120 to the locking mechanical system of tilt state, it forms the feed slide to keep off between edge 121 and the apron 120 of slope. The cover plate 120 is arranged so that the high-temperature slag can be smoothly added into the stacking cavity 200, water entering the heat exchange liner 300 can absorb heat of the high-temperature slag in the stacking cavity 200 to become hot or generate steam, and hot water or steam can be used subsequently. The heat exchange cone 310 can increase the heat absorbing capacity of the heat exchange liner 300, and can be inserted into the high-temperature slag when in use, so that the heat inside the high-temperature slag is fully utilized.

The outer diameter of the heat exchange inner container 300 is smaller than the inner diameter of the kiln body 100, and a lifting assembly for driving the heat exchange inner container 300 to lift is arranged in the kiln body 100. The heat exchange inner container 300 can be inserted into the high-temperature slag by descending, so that the heat inside the high-temperature slag can be absorbed quickly. The lifting assembly comprises a jack 320, the bottom of the jack 320 is arranged close to the inner wall of the kiln body 100, and the movable end of the jack 320 is fixedly connected with the bottom edge of the heat exchange liner 300.

The locking mechanism comprises a connecting strip 122, one end of the connecting strip 122 is hinged to the outer wall of the kiln body 100, a strip-shaped hole is formed in the connecting strip 122, and a fixing pin penetrating through the strip-shaped hole is arranged on the cover plate 120. The cover plate 120 opens the inlet by being turned outward and is locked in an inclined state by the connection bar 122, and the high temperature slag can enter the stacking chamber 200 by sliding on the cover plate 120.

The stacking cavity 200 is a concave arc-shaped cavity, a slag discharging cavity is further arranged below the stacking cavity 200, and the kiln body 100 is provided with a slag discharging hole 410 corresponding to the slag discharging cavity. The arc cavity can concentrate the heat and radiate to the heat exchange inner container 300, and heat loss is reduced. An inclined sliding plate 400 is arranged in the slag outlet cavity, and the lower end of the sliding plate 400 is abutted against the lower edge of the slag outlet 410. The slide plate 400 can smoothly guide the cooled high-temperature slag out of the kiln body 100. The bottom of arc cavity is provided with the whereabouts mouth, whereabouts mouth department still rotates and is provided with shutoff lid 210, shutoff lid 210's pivot set up in on the inner wall of the kiln body 100. The high-temperature slag can be released from the arc-shaped cavity into the slag discharging cavity by opening the blocking cover 210.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The high-temperature slag waste heat recovery shaft kiln is characterized by comprising a kiln body (100), wherein a stacking cavity (200) is arranged at the lower part in the kiln body (100), a heat exchange liner (300) is arranged at the upper part in the kiln body (100) corresponding to the stacking cavity (200), the heat exchange liner (300) is provided with a water inlet and an outlet communicated with the outside of the kiln body (100), and the bottom of the heat exchange liner (300) is also provided with a hollow heat exchange cone (310) in a downward extending manner; the lateral wall of the kiln body (100) corresponds it is provided with the input mouth and rotates in input mouth department and be provided with apron (120) to stack chamber (200), the both sides of apron (120) inboard are provided with and keep off edge (121), still be provided with on the outer wall of the kiln body (100) and lock apron (120) for the locking mechanical system of tilt state, keep off and form the feed slide between edge (121) and the apron (120) of slope.

2. The high-temperature slag waste heat recovery shaft kiln as claimed in claim 1, wherein the outer diameter of the heat exchange inner container (300) is smaller than the inner diameter of the kiln body (100), and a lifting assembly for driving the heat exchange inner container (300) to lift is arranged in the kiln body (100).

3. The high-temperature slag waste heat recovery shaft kiln as claimed in claim 2, wherein the lifting assembly comprises a jack (320), the bottom of the jack (320) is arranged against the inner wall of the kiln body (100), and the movable end of the jack (320) is fixedly connected with the bottom edge of the heat exchange inner container (300).

4. The high-temperature slag waste heat recovery shaft kiln as claimed in claim 1, wherein the locking mechanism comprises a connecting bar (122), one end of the connecting bar (122) is hinged with the outer wall of the kiln body (100), a strip-shaped hole is formed in the connecting bar (122), and a fixing pin penetrating through the strip-shaped hole is arranged on the cover plate (120).

5. The high-temperature slag waste heat recovery shaft kiln as claimed in claim 1, wherein the stacking cavity (200) is a concave arc-shaped cavity, a slag discharging cavity is further arranged below the stacking cavity (200), and a slag discharging hole (410) is formed in the kiln body (100) corresponding to the slag discharging cavity.

6. A high temperature slag waste heat recovery shaft kiln according to claim 5, characterized in that an inclined sliding plate (400) is arranged in the slag discharging cavity, and the lower end of the sliding plate (400) is abutted against the lower edge of the slag discharging hole (410).

7. The high-temperature slag waste heat recovery shaft kiln as claimed in claim 5, wherein a falling opening is formed in the bottom of the arc-shaped cavity, a blocking cover (210) is further rotatably arranged at the falling opening, and a rotating shaft of the blocking cover (210) is arranged on the inner wall of the kiln body (100).