CN215638868U

CN215638868U - Energy-saving smoke recovery device for coke oven

Info

Publication number: CN215638868U
Application number: CN202121389810.2U
Authority: CN
Inventors: 谢海伦
Original assignee: Dalian Xinhe Heavy Industry Co ltd
Current assignee: Dalian Xinhe Heavy Industry Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-25
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of coke ovens, and particularly discloses a flue gas energy-saving recovery device for a coke oven, which comprises a pipeline, wherein a first box body is installed on the left side of the pipeline in a contact manner, an input pipe is installed on the left side of the first box body in a communicated manner, a second box body is installed on the right side of the pipeline in a contact manner, an output pipe is installed on the right side of the second box body in a communicated manner, stop valves are installed on the input pipe and the output pipe in a communicated manner, and four limit blocks with the same size are annularly and fixedly installed in the middle of the inner wall of the pipeline. According to the utility model, flue gas is transported through the pipeline, the pipeline is heated by high-temperature flue gas to heat the inner wall and the outer wall of the pipeline, the first box body and the second box body are installed in contact with the outer wall of the pipeline, so that heat energy of the outer wall of the pipeline can be effectively utilized to heat water for other places, the annular threaded pipe is installed in the pipeline, heat energy of the flue gas in the pipeline can be fully utilized to heat water in the annular threaded pipe, and the structure can fully utilize heat energy brought by the flue gas.

Description

Energy-saving smoke recovery device for coke oven

Technical Field

The utility model relates to the technical field of coke ovens, in particular to a flue gas energy-saving recovery device for a coke oven.

Background

The present coke oven is a furnace for refining coke, the modern coke oven is composed of charring chamber, combustion chamber, heat-accumulating chamber, chute zone, oven top, base and flue, and in the course of using the coke oven it can produce lots of flue gases, and these flue gases contain lots of heat energy, if they are used, they can be converted into useful resources, so that we propose an energy-saving recovery device for flue gas of coke oven.

In the prior art (publication number: CN210874535U), an energy-saving smoke recovery device for a coke oven comprises a coke oven body, wherein exhaust pipes are communicated with the front side and the rear side of the top of the coke oven body, the top of each exhaust pipe is communicated with a pipeline, a box body is fixedly connected with the top of the right side of the coke oven body, the bottom of each pipeline is communicated with the top of the box body, a filtering mechanism is arranged in each box body, and the left side of each filtering mechanism is fixedly connected with the right side of the box body. The utility model solves the problem that the prior coke oven can not recycle the flue gas and cause a large amount of heat loss in the using process by arranging the coke oven body, the exhaust pipe, the pipeline, the box body, the filtering mechanism, the supporting plate, the filtering plate, the transverse block, the cover plate, the positioning block, the spring, the fan and the waste heat recoverer to be matched for use.

In the process of implementing the utility model, the inventor finds that at least the following problems in the prior art are not solved; the existing waste heat recovery device can not collect the heat energy of the outer wall of the flue gas pipeline. This application passes through the pipeline transportation flue gas, the high temperature flue gas can heat the pipeline and make pipeline inside and outside wall intensification, because first box and second box all with the installation of pipeline outer wall contact, the heat energy that can effectively utilize the pipeline outer wall adds hot water, use for other places, install inside the pipeline through the annular thread pipe, the heat energy that can fully utilize the inside flue gas of pipeline adds the inside water of heating annular thread pipe, the heat energy that such structure can fully utilize the flue gas to bring has solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas energy-saving recovery device for a coke oven, which solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an energy-conserving recovery unit of flue gas for coke oven, which comprises a pipeline, first box is installed in the contact of pipeline left side, the input tube is installed in first box left side intercommunication, the second box is installed in the contact of pipeline right side, the output tube is installed in second box right side intercommunication, the stop valve is all installed in input tube and the equal intercommunication of output tube, pipeline inner wall middle part annular fixed mounting has four stoppers with the size, every stopper top all with the contact installation of annular threaded pipe, first pipeline is installed in first box top intercommunication, the relief valve is installed in second box top intercommunication, second box top demountable installation has the control by temperature change table.

As a preferred embodiment of the present invention, the first and second cases are installed to be symmetrically distributed about a vertical center line of the duct.

As a preferred embodiment of the utility model, the first pipeline is installed to be communicated with the input end of the annular threaded pipe.

As a preferred embodiment of the utility model, the output end of the annular threaded pipe is communicated with the second box body.

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

1. according to the utility model, flue gas is transported through the pipeline, the pipeline is heated by high-temperature flue gas to heat the inner wall and the outer wall of the pipeline, the first box body and the second box body are installed in contact with the outer wall of the pipeline, so that heat energy of the outer wall of the pipeline can be effectively utilized to heat water for other places, the annular threaded pipe is installed in the pipeline, heat energy of the flue gas in the pipeline can be fully utilized to heat water in the annular threaded pipe, and the structure can fully utilize heat energy brought by the flue gas.

2. According to the utility model, the second box body is provided with the pressure release valve, when the water pressure in the second box body is overlarge, the pressure release valve can release redundant water to maintain the water pressure in the second box body, the second box body is prevented from bursting due to overlarge water pressure, the temperature in the second box body is monitored in real time by arranging the temperature control meter in the second box body, and the water can be conveniently discharged in time for use.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a top view of an energy-saving recovery device for flue gas of a coke oven according to the present invention;

FIG. 2 is a front view of an energy-saving recovery apparatus for flue gas from a coke oven according to the present invention.

In the figure: 1. a first case; 2. a pipeline; 3. a limiting block; 4. an annular threaded pipe; 5. a second case; 6. a stop valve; 7. an input tube; 8. a first conduit; 9. a pressure relief valve; 10. a temperature control meter; 11. and (5) outputting the product.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the present invention provides a technical solution: the utility model provides an energy-conserving recovery unit of flue gas for coke oven, including

pipeline

2, 2 left sides contact installations of pipeline 1, input tube 7 is installed to 1 left side intercommunication of first box, 2 right sides contact installations of pipeline 2 have second box 5, output tube 11 is installed to 5 right sides intercommunication of second box, stop valve 6 is installed to input tube 7 and output tube 11 all intercommunication, 2 inner wall middle part annular fixed mounting of pipeline has four

unidimensional stoppers

3, 3 tops of every stopper all with 4 contact installations of annular threaded pipe, 1 top intercommunication installations of first box have first pipeline 8, relief valve 9 is installed to 5 top intercommunications of second box, 5 top demountable installations of second box have control by temperature change table 10.

In this embodiment, as shown in fig. 1 and 2, flue gas is transported through the pipeline 2, high-temperature flue gas heats the pipeline 2 to heat the inner wall and the outer wall of the pipeline 2, because the first box 1 and the second box 5 are installed in contact with the outer wall of the pipeline 2, heat energy of the outer wall of the pipeline 2 can be effectively utilized to heat water, the water is used in other places, the water is installed inside the pipeline 2 through the annular threaded pipe 4, heat energy of flue gas inside the pipeline 2 can be fully utilized to heat water inside the annular threaded pipe 4, and the structure can fully utilize heat energy brought by the flue gas.

Wherein, the first pipeline 8 is communicated with the input end of the annular threaded pipe 4.

Wherein, the output end of the annular threaded pipe 4 is communicated with the second box body 5.

In this embodiment, as shown in fig. 1 and 2, the pressure release valve 9 is provided through the second box 5, when the water pressure in the second box 5 is too high, the pressure release valve 9 can release redundant water to keep the water pressure in the second box 5, so as to prevent the water pressure in the second box 5 from bursting due to too high water pressure, and the temperature control meter 10 is provided through the second box 5 to monitor the water temperature in the second box 5 in real time, so that the water can be conveniently and timely discharged for use.

Wherein the first and second cases 1 and 5 are installed symmetrically about a vertical center line of the duct 2.

The working principle is as follows: when the energy-saving flue gas recovery device for the coke oven is used, cooling water is input through the input pipe 7, the cooling water is conveyed into the annular threaded pipe 4 after being filled with the first box body 1 and finally flows to the second box body 5, flue gas is conveyed through the pipeline 2, the pipeline 2 is heated by high-temperature flue gas so that the inner wall and the outer wall of the pipeline 2 are heated, because the first box body 1 and the second box body 5 are both in contact installation with the outer wall of the pipeline 2, the heat energy of the outer wall of the pipeline 2 can be effectively utilized to heat water for being used in other places, the annular threaded pipe 4 is installed in the pipeline 2, the heat energy of the flue gas in the pipeline 2 can be fully utilized to heat water in the annular threaded pipe 4, the structure can fully utilize the heat energy brought by the flue gas, the pressure release valve 9 is arranged on the second box body 5, when the water pressure in the second box body 5 is too high, the excess water can be released by the pressure release valve 9 to keep the water in the second box body 5, prevent that the second box 5 water pressure is too big to take place to burst, set up the temperature control table 10 through second box 5 and come the temperature in the real time monitoring second box 5, the convenient timely discharge uses.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a flue gas energy-saving recovery unit for coke oven, includes pipeline (2), its characterized in that: pipeline (2) left side contact is installed first box (1), and input tube (7) are installed in first box (1) left side intercommunication, and second box (5) are installed in pipeline (2) right side contact, and output tube (11) are installed in second box (5) right side intercommunication, stop valve (6) are installed in input tube (7) and output tube (11) all intercommunication, and pipeline (2) inner wall middle part annular fixed mounting has four with size stopper (3), every stopper (3) top all with annular threaded pipe (4) contact installation, first pipeline (8) are installed in first box (1) top intercommunication, and relief valve (9) are installed in second box (5) top intercommunication, and second box (5) top demountable installation has control by temperature change table (10).

2. The energy-saving flue gas recovery device for the coke oven as claimed in claim 1, wherein: the first box body (1) and the second box body (5) are symmetrically distributed and installed relative to the vertical central line of the pipeline (2).

3. The energy-saving flue gas recovery device for the coke oven as claimed in claim 1, wherein: the first pipeline (8) is communicated with the input end of the annular threaded pipe (4).

4. The energy-saving flue gas recovery device for the coke oven as claimed in claim 1, wherein: the output end of the annular threaded pipe (4) is communicated with the second box body (5).