CN210689247U - Waste heat recovery device of heating furnace - Google Patents
Waste heat recovery device of heating furnace Download PDFInfo
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- CN210689247U CN210689247U CN201921840935.5U CN201921840935U CN210689247U CN 210689247 U CN210689247 U CN 210689247U CN 201921840935 U CN201921840935 U CN 201921840935U CN 210689247 U CN210689247 U CN 210689247U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a waste heat recovery device of heating furnace is adapted to waste heat recovery technical field's production and application, and waste heat recovery device of heating furnace includes, the heat exchanger body, has arranged the heat exchange tube that a plurality of erects to arrange in the heat exchanger body, and the heat exchange tube is buckled and is back the font, and the heat exchange tube head end all runs through heat exchanger body front end left side, the beneficial effects of the utility model reside in that: after the high-temperature waste gas is guided into the gas guide pipe, the high temperature in the gas guide pipe is absorbed by the heat exchange pipe, and meanwhile, after cold water is guided into the water guide pipe through the water inlet pipe, the heat exchange with the heat exchange pipe can be realized quickly, so that the heat exchange efficiency is high; meanwhile, part of water vapor formed in the heat exchange process is condensed into small water drops and flows to the bottom end in the heat exchanger body, and part of the water vapor which is not condensed can permeate into the side socket through the seepage hole, so that the water vapor is fully contacted with the water absorption plate and absorbed by the water absorption plate, and the service life of the heat exchanger is prevented from being influenced due to the fact that part of the water vapor which is not condensed is contacted with the heat exchange pipe for a long time.
Description
Technical Field
The utility model belongs to the technical field of the waste heat recovery technique and specifically relates to a waste heat recovery device of heating furnace is related to.
Background
The waste heat recovery is energy which is not utilized in energy utilization equipment under certain economic and technical conditions, namely redundant and waste energy, and comprises seven kinds of waste heat of high-temperature waste gas, waste heat of cooling medium, waste heat of waste steam and waste water, waste heat of high-temperature products and slag, waste heat of chemical reaction, waste heat of combustible waste gas and waste material, and residual pressure of high-pressure fluid, and the waste heat recovery and utilization are an important way for improving economy and saving fuel.
When the waste heat recovery device of current heating furnace is using, high temperature waste gas when directly burning the heating furnace is direct to be discharged and carry out the heat transfer in the waste heat recovery device usually, but direct discharge can't make the even dispersion of high temperature waste gas to waste heat recovery device fast, thereby recovery time is long, recovery efficiency is not high, be equipped with in the waste heat recovery device of current heating furnace usually simultaneously and be used for the splendid attire produced vapor when retrieving the heat transfer and the drop of water that condenses, but the partial vapor that does not condense can't obtain effectual processing, influence its life easily after the contact of the waste heat recovery device inner structure with the heating furnace for a long time, the practicality is not good.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: to the problem that prior art exists, provide a waste heat recovery device of heating furnace, solved the waste heat recovery device of current heating furnace, recovery efficiency is not high and the not good problem of practicality.
The to-be-solved technical problem of the utility model adopts following technical scheme to realize: a waste heat recovery device of a heating furnace, the waste heat recovery device of the heating furnace comprises:
the heat exchanger comprises a heat exchanger body, wherein a plurality of heat exchange tubes which are vertically arranged are arranged in the heat exchanger body, the heat exchange tubes are bent to be in a shape like a Chinese character 'hui', the head ends of the heat exchange tubes penetrate through the left side of the front end of the heat exchanger body, the tail ends of the heat exchange tubes penetrate through the right side of the front end of the heat exchanger body, the left side and the right side of the front end of the heat exchanger body are respectively provided with a gas guide tube and an exhaust tube, and the head ends;
the water guide pipes are consistent with the heat exchange pipes in number, correspond to each other and are inserted into the heat exchange pipes in a one-to-one manner, the head and the tail ends of the water guide pipes respectively penetrate through the left side and the right side of the rear end of the heat exchanger body, water inlet pipes and water outlet pipes are respectively arranged on the left side and the right side of the rear end of the heat exchanger body, and the head and the tail ends of the water guide pipes are respectively embedded and fixed with the water inlet pipes and the water outlet;
go up the shroud plate, go up the shroud plate and arrange in heat exchanger body top, just go up the shroud plate bottom and be equipped with rather than three picture peg as an organic whole, the picture peg front end has all opened the side socket, just all inserted the board that has absorbed water in the side socket, the infiltration hole that has a plurality of evenly arranged is all opened to the picture peg outer wall, open on heat exchanger body top has three draw-in groove, just the picture peg runs through and extends to in the heat exchanger body behind the draw-in groove.
Preferably, the bottom of the heat exchanger body is provided with a bottom collection box which is integrated with the heat exchanger body and communicated with the heat exchanger body, a discharge pipe is fixedly embedded into the right side of the bottom collection box, and the top of the discharge pipe is connected with a discharge valve through a flange.
Preferably, the air duct and the exhaust pipe are communicated with the heat exchange pipe, and the water inlet pipe and the drain pipe are communicated with the water guide pipe.
Preferably, the surface of the heat exchange tube is coated with a heat insulation coating with the thickness of 0.3cm, and the distance between the outer wall of the water guide tube and the inner wall of the heat exchange tube is not less than 0.5 cm.
Preferably, the inserting plates are all positioned in a gap formed by bending the heat exchange tube, and the seepage holes are communicated with the side inserting openings.
Preferably, the water absorption plate is formed by pressing and covering two plastic plates and at least ten layers of water absorption sponges.
Compared with the prior art, the beneficial effects of the utility model are that:
after the high-temperature waste gas is guided into the gas guide pipe, the high temperature in the gas guide pipe is absorbed by the heat exchange pipe, and meanwhile, after cold water is guided into the water guide pipe through the water inlet pipe, the heat exchange with the heat exchange pipe can be realized quickly, so that the heat exchange efficiency is high; meanwhile, part of water vapor formed in the heat exchange process is condensed into small water drops and flows to the bottom end in the heat exchanger body, and part of the water vapor which is not condensed can permeate into the side socket through the seepage hole, so that the water vapor is fully contacted with the water absorption plate and absorbed by the water absorption plate, and the service life of the heat exchanger is prevented from being influenced due to the fact that part of the water vapor which is not condensed is contacted with the heat exchange pipe for a long time.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the heat exchanger body and the plug board of the structure of the present invention;
fig. 3 is a schematic enlarged view of a part a of the side socket in the structure diagram of fig. 2.
The labels in the figure are: 1-a heat exchanger body, 2-a heat exchange tube, 3-an air guide tube, 4-an exhaust tube, 5-a water inlet tube, 6-a water discharge tube, 7-a water guide tube, 8-a bottom collection box, 9-an upper covering plate, 10-a clamping groove, 11-a side socket, 12-a seepage hole, 13-an inserting plate, 14-a discharge tube, 15-a discharge valve and 16-a water absorption plate.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 3, it should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left" and "right" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.
In order to achieve the above object, the utility model discloses a following technical scheme, a waste heat recovery device of heating furnace, the waste heat recovery device of heating furnace includes:
the heat exchanger comprises a heat exchanger body 1, wherein a plurality of heat exchange tubes 2 which are vertically arranged are arranged in the heat exchanger body 1, the heat exchange tubes 2 are bent to be in a shape like a Chinese character 'hui', the head ends of the heat exchange tubes 2 penetrate through the left side of the front end of the heat exchanger body 1, the tail ends of the heat exchange tubes 2 penetrate through the right side of the front end of the heat exchanger body 1, the left side and the right side of the front end of the heat exchanger body 1 are respectively provided with a gas guide tube 3 and an exhaust tube 4, and the head ends and the tail ends of;
firstly, connecting a pipeline for discharging high-temperature waste gas in a heating furnace with an air duct 3, and discharging the high-temperature waste gas into the air duct 3;
the number of the water guide pipes 7 is the same as that of the heat exchange pipes 2, the water guide pipes 7 correspond to the heat exchange pipes 2 one by one and are inserted into the heat exchange pipes 2, the head and tail ends of the water guide pipes 7 respectively penetrate through the left side and the right side of the rear end of the heat exchanger body 1, the left side and the right side of the rear end of the heat exchanger body 1 are respectively provided with a water inlet pipe 5 and a water outlet pipe 6, the head and tail ends of the water guide pipes 7 are respectively embedded and fixed with the water inlet pipe 5 and the water outlet pipe 6, the air guide pipes 3 and the air outlet pipe 4 are communicated with the heat exchange pipes 2, the water inlet pipe 5 and the water outlet pipe 6 are communicated with the water guide pipes 7, the surface of the heat exchange pipes 2 is coated with a heat insulation coating;
after high temperature waste gas discharges to air duct 7 in through air duct 3, it is leading-in to in the heat exchange tube 2, thereby high temperature in the high temperature waste gas will transmit to heat exchange tube 2, then in leading-in inlet tube 5 with cold water, cold water can be through leading-in aqueduct 7 of inlet tube 5, thereby carry out the heat transfer and heat the temperature of cold water with heat exchange tube 2, because of the leading-in scope of high temperature waste gas lies in the distribution range of heat exchange tube 2, and aqueduct 7 arranges in heat exchange tube 2, consequently after cold water is leading-in aqueduct 7, can be fast and even carry out the heat transfer processing, the heat preservation of the thermal insulation coating of scribbling on the surface of heat exchange tube 2 simultaneously, its heat loss is less, heat exchange efficiency is higher, after the heat transfer, high temperature air and.
The heat exchanger comprises an upper cover plate 9, wherein the upper cover plate 9 is arranged above a heat exchanger body 1, three plug boards 13 which are integrated with the upper cover plate 9 are arranged at the bottom of the upper cover plate 9, side sockets 11 are formed in the front ends of the plug boards 13, water absorption boards 16 are inserted into the side sockets 11, the water absorption boards 16 are formed by pressing and covering two plastic boards and at least ten layers of water absorption sponges, a plurality of uniformly arranged seepage holes 12 are formed in the outer walls of the plug boards 13, three clamping grooves 10 are formed in the top end of the heat exchanger body 1, the plug boards 13 penetrate through the clamping grooves 10 and then extend into the heat exchanger body 1, the plug boards 13 are located in gaps formed by bending heat exchange tubes 2, and the seepage holes 12 are communicated with the side sockets 11;
secondly, because the inserting plates 13 are all positioned in the gaps formed by bending the heat exchange tubes 2, water vapor is formed in the heat exchange process, part of the water vapor condensed into small water drops can flow to the bottom end inside the heat exchanger body 1, and part of the water vapor which is not condensed can permeate into the side inserting openings 11 through the seepage holes 12, so that the water vapor is fully contacted with the water absorption plates 16 and absorbed through the water absorption plates 16, and the problem that the service life of the heat exchange tubes 2 is influenced after part of the water vapor which is not condensed is contacted with the heat exchange tubes for a long time is solved.
The heat exchanger is characterized in that a bottom collecting box 8 which is integrated with the heat exchanger body 1 and communicated with the heat exchanger body is arranged at the bottom of the heat exchanger body 1, a discharge pipe 14 is fixedly embedded into the right side of the bottom collecting box 8, the top of the discharge pipe 14 is connected with a discharge valve 15 through a flange, water vapor condensed into small water drops flows to the bottom end inside the heat exchanger body 1, all the water vapor are collected into the bottom collecting box 8, and the collected water drops can be discharged through the discharge pipe 14 after the discharge valve 15 is opened.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a waste heat recovery device of heating furnace which characterized in that, waste heat recovery device of heating furnace includes:
the heat exchanger comprises a heat exchanger body (1), wherein a plurality of heat exchange tubes (2) which are vertically arranged are arranged in the heat exchanger body (1), the heat exchange tubes (2) are bent to be in a shape like a Chinese character 'hui', the head ends of the heat exchange tubes (2) penetrate through the left side of the front end of the heat exchanger body (1), the tail ends of the heat exchange tubes (2) penetrate through the right side of the front end of the heat exchanger body (1), air guide tubes (3) and exhaust tubes (4) are respectively arranged on the left side and the right side of the front end of the heat exchanger body (1), and the head end and the tail end of each heat exchange tube (2) are respectively embedded;
the number of the water guide pipes (7) is consistent with that of the heat exchange pipes (2), the water guide pipes (7) correspond to one another and are inserted into the heat exchange pipes (2), the head end and the tail end of each water guide pipe (7) respectively penetrate through the left side and the right side of the rear end of the heat exchanger body (1), a water inlet pipe (5) and a water drain pipe (6) are respectively arranged on the left side and the right side of the rear end of the heat exchanger body (1), and the head end and the tail end of each water guide pipe (7) are respectively embedded and fixed with the water inlet pipe (5) and the water drain pipe (6);
go up shroud plate (9), it arranges in heat exchanger body (1) top to go up shroud plate (9) bottom is equipped with rather than three picture peg (13) as an organic whole, picture peg (13) front end has all opened side socket (11), just all inserted and closed board (16) that absorb water in side socket (11), picture peg (13) outer wall all opens infiltration hole (12) that have a plurality of evenly to arrange, open on heat exchanger body (1) top has three draw-in groove (10), just picture peg (13) run through behind draw-in groove (10) and extend to in heat exchanger body (1).
2. The heat recovery device of the heating furnace according to claim 1, characterized in that: the heat exchanger is characterized in that a bottom collection box (8) which is integrated with the heat exchanger body (1) and communicated with the heat exchanger body is arranged at the bottom of the heat exchanger body, a discharge pipe (14) is fixedly embedded into the right side of the bottom collection box (8), and the top of the discharge pipe (14) is connected with a discharge valve (15) through a flange.
3. The heat recovery device of the heating furnace according to claim 1, characterized in that: the air duct (3) and the exhaust pipe (4) are communicated with the heat exchange pipe (2), and the water inlet pipe (5) and the drain pipe (6) are communicated with the water guide pipe (7).
4. The heat recovery device of the heating furnace according to claim 1, characterized in that: the surface of the heat exchange tube (2) is coated with heat insulation coating with the thickness of 0.3cm, and the distance between the outer wall of the water guide tube (7) and the inner wall of the heat exchange tube (2) is not less than 0.5 cm.
5. The heat recovery device of the heating furnace according to claim 1, characterized in that: the inserting plates (13) are all positioned in a gap formed by bending the heat exchange tube (2), and the seepage holes (12) are communicated with the side inserting openings (11).
6. The heat recovery device of the heating furnace according to claim 1, characterized in that: the water absorption plate (16) is formed by pressing and covering two plastic plates and at least ten layers of water absorption sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840935.5U CN210689247U (en) | 2019-10-30 | 2019-10-30 | Waste heat recovery device of heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840935.5U CN210689247U (en) | 2019-10-30 | 2019-10-30 | Waste heat recovery device of heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210689247U true CN210689247U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921840935.5U Active CN210689247U (en) | 2019-10-30 | 2019-10-30 | Waste heat recovery device of heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210689247U (en) |
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2019
- 2019-10-30 CN CN201921840935.5U patent/CN210689247U/en active Active
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