CN219347435U - Drum fire-discharging waste heat recovery device - Google Patents

Drum fire-discharging waste heat recovery device Download PDF

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Publication number
CN219347435U
CN219347435U CN202222822259.7U CN202222822259U CN219347435U CN 219347435 U CN219347435 U CN 219347435U CN 202222822259 U CN202222822259 U CN 202222822259U CN 219347435 U CN219347435 U CN 219347435U
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heat exchange
cavity
cleaning
fixedly connected
exchange device
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王周洲
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Huaneng Guanyun Clean Energy Power Generation Co ltd
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Huaneng Guanyun Clean Energy Power Generation Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

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Abstract

The utility model discloses a drum fire grate pollution waste heat recovery device, which comprises a drum furnace and a working box, wherein the working box comprises a heat exchange cavity, a heat exchange device, an auxiliary heat exchange device, a cleaning heat exchange device and a discharge pipe; the heat exchange device is used for exchanging heat of dirt discharged by the drum furnace by water in the heat exchange cavity; the auxiliary heat exchange device is used for rotating in the heat exchange cavity so as to drive water to flow; and the cleaning heat exchange device is used for cleaning the heat exchange device when the auxiliary heat exchange device rotates. Through the device, the circulation efficiency of the heat exchange medium can be improved, so that the overall heat exchange efficiency is improved.

Description

Drum fire-discharging waste heat recovery device
Technical Field
The utility model relates to the technical field of drum furnaces, in particular to a drum furnace waste heat recovery device.
Background
Most industrial processes in a thermal power plant heat power system consume a large amount of energy in a heat form, the amount of medium-low temperature industrial waste heat discharged to the environment in a waste heat form is remarkable, the waste heat is not only zero in energy utilization, the emission of carriers and related pollutants also brings serious environmental pollution, and the traditional method for directly driving a small-sized steam turbine or a gas turbine to drive a generator set to generate power by utilizing waste heat steam is only suitable for recycling the high-medium temperature waste heat, and an effective technical means for recycling and generating power is not available for a large amount of low-temperature waste heat resources existing in a power station.
The existing heat exchange equipment for the pollution discharge of the drum furnace generally carries out heat exchange by itself, and the circulation efficiency of heat exchange media is lower, so that the media for integral heat exchange are not easy to change, and the integral heat exchange efficiency is reduced.
Therefore, how to improve the circulation efficiency of the heat exchange medium, thereby improving the overall heat exchange efficiency, is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model provides a drum fire grate pollution waste heat recovery device, which is used for solving the technical problem of overall heat exchange efficiency reduction caused by low heat exchange medium circulation efficiency in the prior art.
In order to achieve the above object, the utility model provides a waste heat recovery device for waste discharge of a steam drum furnace, comprising a steam drum furnace and a working box, wherein the working box comprises a heat exchange cavity, a heat exchange device, an auxiliary heat exchange device, a cleaning heat exchange device and a discharge pipe, the waste discharge outlet of the steam drum furnace is connected with an output pipe, one end of the output pipe far away from the waste discharge outlet is connected with the heat exchange device in the tool box, one end of the heat exchange device far away from the waste discharge outlet is connected with the discharge pipe, the auxiliary heat exchange device is rotatably connected in the heat exchange cavity, the cleaning heat exchange device is connected at the tail end of the auxiliary heat exchange device,
the heat exchange cavity is used for adding water required by heat exchange;
the heat exchange device is used for exchanging heat of dirt discharged by the drum furnace by water in the heat exchange cavity;
the auxiliary heat exchange device is used for rotating in the heat exchange cavity so as to drive water to flow;
the cleaning heat exchange device is used for cleaning the heat exchange device when the auxiliary heat exchange device rotates.
Preferably, the heat exchange device is a heat exchange tube arranged in the heat exchange cavity through a snake disc shape.
Preferably, the auxiliary heat exchange device comprises a driving motor, a first bevel gear, a second bevel gear, a rotating rod and a spoiler, wherein the output end of the driving motor is fixedly connected with the second bevel gear through a coupler, the first bevel gear is meshed with the second bevel gear, the rotating rod is connected between cavity walls of the heat exchange cavity through bearing rotation, one end of the rotating rod penetrates through and extends to the outside of the working box and is fixedly connected with the first bevel gear, and a plurality of spoilers are fixedly connected on the rod walls of the rotating rod.
Preferably, the cleaning heat exchange device comprises two fixing rods and a cleaning brush, one end, far away from the rotating rod, of the spoiler is fixedly connected with the two fixing rods together, one layer of cleaning brush is fixedly connected to the two fixing rods, and the two layers of cleaning brush are arranged in a propping mode with the inner side outer side wall of the heat exchange tube.
Preferably, the automatic feeding device further comprises a mounting frame, wherein the mounting frame is fixedly connected to the outer side wall of the working box, and the driving motor is fixedly mounted on the mounting frame.
Preferably, the heat exchange device further comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is fixedly connected to the upper end cavity wall of the heat exchange cavity, the water outlet pipe is fixedly connected to the bottom end cavity wall of one end of the water inlet pipe, which is far away from the heat exchange cavity, and one end of the water inlet pipe and one end of the water outlet pipe penetrate through and extend out of the working box.
Preferably, the spoilers are all sleeved at the middle position of the heat exchange tube.
Preferably, the axis of the heat exchange tube is overlapped with the axis of the rotating rod.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a drum fire grate pollution waste heat recovery device, which comprises a drum furnace and a working box, wherein the working box comprises a heat exchange cavity, a heat exchange device, an auxiliary heat exchange device, a cleaning heat exchange device and a discharge pipe; the heat exchange device is used for exchanging heat of dirt discharged by the drum furnace by water in the heat exchange cavity; the auxiliary heat exchange device is used for rotating in the heat exchange cavity so as to drive water to flow; and the cleaning heat exchange device is used for cleaning the heat exchange device when the auxiliary heat exchange device rotates. Through the device, the circulation efficiency of the heat exchange medium can be improved, so that the overall heat exchange efficiency is improved.
Drawings
Fig. 1 shows a schematic structural diagram of a drum boiler waste heat recovery device according to an embodiment of the present utility model;
fig. 2 shows a schematic structural diagram of a tool box part of a drum furnace waste heat recovery device according to an embodiment of the present utility model;
fig. 3 shows a schematic side view of a working box of a drum furnace waste heat recovery device according to an embodiment of the present utility model;
fig. 4 shows a schematic diagram of an installation structure of a rotating rod of a drum boiler waste heat recovery device according to an embodiment of the present utility model.
In the figure: 1. a drum furnace; 2. a working box; 3. a heat exchange cavity; 4. an output pipe; 5. a heat exchange tube; 6. a discharge pipe; 7. a rotating lever; 8. a spoiler; 9. a first bevel gear; 10. a mounting frame; 11. a driving motor; 12. a second bevel gear; 13. a water inlet pipe; 14. a drain pipe; 15. a fixed rod; 16. and cleaning the brush.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify 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 therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, 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 terms in this application will be understood by those of ordinary skill in the art in a specific context.
The utility model provides a drum furnace waste heat recovery device, which comprises a drum furnace and a working box, wherein the working box comprises a heat exchange cavity, a heat exchange device, an auxiliary heat exchange device, a cleaning heat exchange device and a discharge pipe, the drain outlet of the drum furnace is connected with an output pipe, one end of the output pipe far away from the drain outlet is connected with the heat exchange device in the tool box, one end of the heat exchange device far away from the drain outlet is connected with the discharge pipe, the auxiliary heat exchange device is rotatably connected in the heat exchange cavity, the cleaning heat exchange device is connected at the tail end of the auxiliary heat exchange device,
the heat exchange cavity is used for adding water required by heat exchange;
the heat exchange device is used for exchanging heat of dirt discharged by the drum furnace by water in the heat exchange cavity;
the auxiliary heat exchange device is used for rotating in the heat exchange cavity so as to drive water to flow;
the cleaning heat exchange device is used for cleaning the heat exchange device when the auxiliary heat exchange device rotates.
In order to increase the heat exchange area of the heat exchange device, in some embodiments of the present application, the heat exchange device is a heat exchange tube disposed in the heat exchange cavity through a snake disc shape.
For making heat transfer medium increase flow efficiency, in some embodiments of this application, supplementary heat transfer device includes driving motor, first bevel gear, second bevel gear, dwang and spoiler, driving motor's output passes through a second bevel gear of shaft coupling fixedly connected with, first bevel gear meshes with the second bevel gear mutually, connect through the bearing rotation between the chamber wall of heat exchange cavity the dwang, just one of them one end of dwang runs through and extends to outside the work box and fixed connection first bevel gear, fixedly connected with a plurality of spoilers on the lever wall of dwang.
In order to clean heat transfer device in order to avoid heat transfer device top layer scale deposit to influence the heat transfer, in some embodiments of this application, clean heat transfer device includes two dead levers and cleaning brush, the spoiler is kept away from the common fixedly connected with of one end of dwang two dead levers, two equal fixedly connected with one deck on the dead lever cleaning brush, and two-layer cleaning brush all with the inboard lateral wall of heat exchange tube is offset form setting.
In order to be convenient for install driving motor, in some embodiments of this application, still include the mounting bracket, mounting bracket fixed connection is in on the lateral wall of work box, fixed mounting on the mounting bracket driving motor.
For changing the medium for heat transfer, in some embodiments of this application, still include inlet tube and drain pipe, fixedly connected with one on the upper end chamber wall of heat transfer chamber the inlet tube, the heat transfer chamber is kept away from fixedly connected with on the bottom chamber wall of inlet tube one end the drain pipe, the wherein one end of inlet tube and drain pipe all runs through and extends outside the work box.
In order to better increase the circulation efficiency of the heat exchange medium, in some embodiments of the present application, the spoiler is sleeved at the middle position of the heat exchange tube.
In order to better increase the circulation efficiency of the heat exchange medium, in some embodiments of the present application, the axis of the heat exchange tube and the axis of the rotating rod are arranged in a coincident manner.
The structure and the working manner of the drum furnace blowdown waste heat recovery device according to the embodiment of the present application will be described below with reference to fig. 1 to 4:
as shown in fig. 1-4, the embodiment of the application comprises a drum furnace 1 and a working box 2, wherein a heat exchange cavity 3 is formed in the working box 2, an output pipe 4 is fixedly connected to the drum furnace 1, one end, far away from the drum furnace 1, of the output pipe 4 penetrates through and extends into the heat exchange cavity 3 and is fixedly connected with a heat exchange pipe 5 in a snake-like arrangement, and one end, far away from the output pipe 4, of the heat exchange pipe 5 is fixedly connected with a discharge pipe 6;
the heat exchange cavity 3 is characterized in that a rotating rod 7 is rotatably connected between the cavity walls through bearings, a plurality of spoilers 8 are fixedly connected to the rod walls of the rotating rod 7, one end of the rotating rod 7 penetrates through and extends out of the working box 2 and is fixedly connected with a first bevel gear 9, a mounting frame 10 is fixedly connected to the outer side wall of the working box 2, a driving motor 11 is fixedly mounted on the mounting frame 10, the output end of the driving motor 11 is fixedly connected with a second bevel gear 12 through a coupling, the first bevel gear 9 is meshed with the second bevel gear 12, one ends, far away from the rotating rod 7, of the spoilers 8 are fixedly connected with two fixing rods 15 together, one layer of cleaning brush 16 is fixedly connected to the two fixing rods 15, and the two layers of cleaning brushes 16 are arranged in a propping mode with the inner side outer side wall of the heat exchange tube 5.
The upper end cavity wall of the heat exchange cavity 3 is fixedly connected with a water inlet pipe 13, the bottom end cavity wall of the heat exchange cavity 3 far away from one end of the water inlet pipe 13 is fixedly connected with a water outlet pipe 14, and one end of the water inlet pipe 13 and one end of the water outlet pipe 14 extend out of the working box 2 in a penetrating mode.
The end of the discharge pipe 6 remote from the heat exchange pipe 5 extends through to the outside of the working tank 2.
The plurality of spoilers 8 are sleeved at the middle position of the heat exchange tube 5.
The axial lead of the heat exchange tube 5 is overlapped with the axial lead of the rotating rod 7.
Specifically, when the utility model is used, dirt in the steam drum furnace 1 can be discharged outwards through the output pipe 4, the heat exchange pipe 5 and the discharge pipe 6 in sequence, and the dirt can exchange heat with water in the heat exchange cavity 3 when passing through the heat exchange pipe 5, so that waste heat recovery is performed, meanwhile, the driving motor 11 can be started, the driving motor 11 can drive the second bevel gear 12 to rotate, the second bevel gear 12 can drive the rotating rod 7 to rotate through meshing with the first bevel gear 11, the rotating rod 7 can drive the spoiler 8 to rotate and flow the water in the heat exchange cavity 3, so that heat exchange medium can be replaced in a flowing mode, the phenomenon that the water does not flow to cause the reduction of water heat exchange efficiency at a distance is avoided, the overall heat exchange efficiency is improved, and meanwhile, the spoiler 8 can drive the fixed rod 15 and the cleaning brush 16 to rotate, so that the surface wall of the heat exchange pipe 5 can be cleaned through the cleaning brush 16, and the influence of surface layer scaling on heat exchange is avoided.
Through the application of the technical scheme, the drum furnace waste heat recovery device comprises a drum furnace and a working box, wherein the working box comprises a heat exchange cavity, a heat exchange device, an auxiliary heat exchange device, a cleaning heat exchange device and a discharge pipe; the heat exchange device is used for exchanging heat of dirt discharged by the drum furnace by water in the heat exchange cavity; the auxiliary heat exchange device is used for rotating in the heat exchange cavity so as to drive water to flow; and the cleaning heat exchange device is used for cleaning the heat exchange device when the auxiliary heat exchange device rotates. Through the device, the circulation efficiency of the heat exchange medium can be improved, so that the overall heat exchange efficiency is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (8)

1. The utility model provides a steam drum fire grate waste heat recovery device, its characterized in that includes steam drum stove and work box, work box heat transfer chamber, heat transfer device, auxiliary heat transfer device, clean heat transfer device and exhaust pipe, the drain of steam drum stove is connected with an output tube, the one end that the output tube kept away from the drain is connected with heat transfer device in the work box, heat transfer device is kept away from the one end of drain is connected with the exhaust pipe, auxiliary heat transfer device rotatable coupling is in the heat transfer chamber, clean heat transfer device connects at auxiliary heat transfer device's terminal, wherein,
the heat exchange cavity is used for adding water required by heat exchange;
the heat exchange device is used for exchanging heat of dirt discharged by the drum furnace by water in the heat exchange cavity;
the auxiliary heat exchange device is used for rotating in the heat exchange cavity so as to drive water to flow;
the cleaning heat exchange device is used for cleaning the heat exchange device when the auxiliary heat exchange device rotates.
2. The apparatus of claim 1, wherein the heat exchange means is a heat exchange tube disposed in the heat exchange chamber by a serpentine shape.
3. The device of claim 2, wherein the auxiliary heat exchange device comprises a driving motor, a first bevel gear, a second bevel gear, a rotating rod and a spoiler, wherein the output end of the driving motor is fixedly connected with the second bevel gear through a coupler, the first bevel gear is meshed with the second bevel gear, the cavity walls of the heat exchange cavity are rotatably connected with the rotating rod through a bearing, one end of the rotating rod penetrates through the rotating rod to extend out of the working box and is fixedly connected with the first bevel gear, and a plurality of spoilers are fixedly connected on the rod walls of the rotating rod.
4. The device of claim 3, wherein the cleaning heat exchange device comprises two fixing rods and a cleaning brush, the two fixing rods are fixedly connected to one ends of the spoilers, which are far away from the rotating rods, of the cleaning heat exchange device, one cleaning brush is fixedly connected to each of the two fixing rods, and the two cleaning brushes are arranged in a propping mode with the inner side outer side wall of the heat exchange tube.
5. The apparatus of claim 3 further comprising a mounting bracket fixedly attached to the outer sidewall of the work box, the mounting bracket fixedly mounting the drive motor thereon.
6. The device of claim 1, further comprising a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is fixedly connected to the upper end cavity wall of the heat exchange cavity, the water outlet pipe is fixedly connected to the bottom end cavity wall of the heat exchange cavity, which is far away from one end of the water inlet pipe, and one end of the water inlet pipe and one end of the water outlet pipe extend out of the working box in a penetrating manner.
7. A device according to claim 3, wherein the spoilers are all sleeved in the middle of the heat exchange tube.
8. A device according to claim 3, wherein the axis of the heat exchange tube is arranged coincident with the axis of the rotating rod.
CN202222822259.7U 2022-10-25 2022-10-25 Drum fire-discharging waste heat recovery device Active CN219347435U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222822259.7U CN219347435U (en) 2022-10-25 2022-10-25 Drum fire-discharging waste heat recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222822259.7U CN219347435U (en) 2022-10-25 2022-10-25 Drum fire-discharging waste heat recovery device

Publications (1)

Publication Number Publication Date
CN219347435U true CN219347435U (en) 2023-07-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222822259.7U Active CN219347435U (en) 2022-10-25 2022-10-25 Drum fire-discharging waste heat recovery device

Country Status (1)

Country Link
CN (1) CN219347435U (en)

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