CN208455022U - A kind of annealing furnace waste-heat recovery device - Google Patents
A kind of annealing furnace waste-heat recovery device Download PDFInfo
- Publication number
- CN208455022U CN208455022U CN201820747973.5U CN201820747973U CN208455022U CN 208455022 U CN208455022 U CN 208455022U CN 201820747973 U CN201820747973 U CN 201820747973U CN 208455022 U CN208455022 U CN 208455022U
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- China
- Prior art keywords
- annealing furnace
- thermoconverter
- heat
- waste gas
- waste
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of annealing furnace waste-heat recovery devices, the utility model includes annealing furnace heating apparatus, first heat conversion device of drying section is set and the second heat conversion device of cleaning section is set, the annealing furnace heating apparatus includes heating component and waste gas delivery pipeline, first heat conversion device includes the first thermoconverter, drying box and breeze fan, second heat conversion device includes the second thermoconverter and cleaning water tank, second thermoconverter is connected to waste gas delivery pipeline, water circulating pipe is connected on the cleaning water tank, the water circulating pipe passes through the second thermoconverter.The utility model is utilized by the burning waste gas of annealing furnace, is realized the heat supply to cleaning section and drying section, had both been improved the utilization rate of resource, reduce the waste of the energy, it also avoids and individually provides heat source to cleaning section and drying section, saved the energy, reduced production cost.
Description
Technical field
The utility model relates to steel and iron manufacturing technical fields, and in particular to a kind of annealing furnace waste-heat recovery device.
Background technique
There are the baking steps after cleaning step and cleaning in the galvanized wire of strip, and in cleaning step, it needs
Ejected wash water is heated to certain temperature, is also required to provide heat source in baking step, traditional approach generally uses between each step
Separate operation needs to provide mutually independent heat source respectively, and no matter setting in this way uses electric heating or natural energy resources heating method
The a large amount of energy will be wasted.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of annealing furnace waste heat recycling dress for reducing energy waste
It sets.
To solve the above-mentioned problems, the utility model includes annealing furnace heating apparatus, the first heat turn that drying section is arranged in
Changing device and the second heat conversion device that cleaning section is arranged in, the annealing furnace heating apparatus includes that heating component and exhaust gas are defeated
Pipe is sent, first heat conversion device includes the first thermoconverter, drying box and breeze fan, first thermoconverter
It is connect with waste gas delivery pipeline, air supply duct is connected on the breeze fan, pre- hot air pipe is connected in the drying box
Road, the air supply duct and pre- hot air duct are connect with the first thermoconverter, and second heat conversion device includes the
Two thermoconverters and cleaning water tank, the second thermoconverter are connected to waste gas delivery pipeline, are connected with water on the cleaning water tank and follow
Endless tube road, the water circulating pipe pass through the second thermoconverter.
As optimization, heating component described in the utility model includes radiant tube, air supplies and natural gas supply
Device, the air supplies are connected with air supply pipe, and the natural gas supply device is connected with burner, the confession
Tracheae and burner are inserted respectively into the both ends of radiant tube, and the both ends of the radiant tube are connected to waste gas delivery pipeline.
As optimization, radiant tube described in the utility model is W shape, and the lower part of the radiant tube of W shape is connected by support member
It connects in the bottom of annealing furnace, the support member includes the support column pitched body and be connected to fork body lower part, the support column
Lower end be fixedly connected on the bottom of annealing furnace.
As optimization, the first thermoconverter described in the utility model includes internal box and outer case, the internal box
In the outer case, waste gas delivery pipeline is connected to outer case for fixed setting, and the air supply duct and pre- hot air duct both pass through outside
Cabinet is connected to internal box, and several partitions are arranged at intervals in the internal box, and one end of the partition and internal box are solid
Fixed connection, between the other end of partition and the tank wall of internal box between be separated with a certain distance, and the company of adjacent separator and internal box
End is connect on the contrary, the air supply duct is connected to the side of all partitions, all partitions are arranged in the pre- hot air duct
The other side.
As optimization, the second heat exchanger described in the utility model includes heat exchange cabinet, is arranged on the heat exchange cabinet
There are air inlet and air outlet, the air inlet is connect with waste gas delivery pipeline, is provided with coil pipe in the heat exchange box body, described
Water circulation channel be connected with coil pipe.
As optimization, waste gas delivery pipeline described in the utility model passes through preheating cavity and the radiant tube that burner side is arranged
Connection, the internal diameter of the preheating cavity are greater than the outer diameter of radiant tube.
As optimization, waste gas delivery pipeline described in the utility model includes the first discharge pipeline section and second discharges pipeline section, and
The both ends of first discharge pipeline section are connected to the both ends of radiant tube respectively, and the setting of the second discharge pipeline section and radiant tube supplies
One end of pipe is connected to, and is provided with control valve on the second discharge pipeline section.
The beneficial effects of the utility model are: the utility model supplies annealing furnace by way of natural gas radiant tube
Heat can generate burning waste gas after combustion of natural gas, and burning waste gas can carry a large amount of heat, in addition to utilizing exhaust gas to natural
Outside gas and air are preheated, burning waste gas is delivered to cleaning section, the water in cleaning water tank is carried out by the second thermoconverter
Circulating-heating is delivered to drying section by the first thermoconverter and provides heat drying wind to drying box, and ensure that waste-gas heat has
Effect utilizes.The utility model is utilized by the burning waste gas of annealing furnace, realizes the heat supply to cleaning section and drying section, both
The utilization rate for improving resource reduces the waste of the energy, it is thus also avoided that individually provides heat source to cleaning section and drying section, saves
The energy, reduces production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: 1, preheating cavity, 2, burner, 3, radiant tube, 4, support member, 5, air supply pipe, 6, waste gas delivery pipeline, 7,
One thermoconverter, the 8, second thermoconverter, 9, cleaning water tank, 10, drying box, 11, air supply duct, 12, pre- hot air duct, 6-1,
First discharge pipeline section, 6-2, the second discharge pipeline section, 7-1, outer case, 7-2, internal box, 7-3, partition, 8-1, coil pipe, 9-1, water
Circulating line.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
Annealing furnace waste-heat recovery device as shown in Figure 1, including annealing furnace heating apparatus, be arranged in drying section first heat
Conversion equipment and the second heat conversion device that cleaning section is arranged in, the annealing furnace heating apparatus includes heating component and exhaust gas
Delivery pipe, the heating component include radiant tube 3, air supplies and natural gas supply device, the air gas supply
Device is connected with air supply pipe 5, and the natural gas supply device is connected with burner 2, and the air supply pipe 5 and burner 2 divide
It is not inserted into the both ends of radiant tube 3, the both ends of the radiant tube 3 are connected to waste gas delivery pipeline 6.The radiant tube 3 is W
Shape, the lower part of the radiant tube 3 of W shape are connected to the bottom of annealing furnace by support member 4, and the support member 4 includes fork body
With the support column for being connected to fork body lower part, the lower end of the support column is fixedly connected on the bottom of annealing furnace.Using natural gas
The annealing furnace of heating method can generate burning waste gas, and the temperature of exhaust gas can reach 300 DEG C, by waste gas delivery pipeline 6 by exhaust gas
It is delivered to the first heat conversion device and the second heat conversion device utilizes the heat of exhaust gas.First heat conversion device
Including the first thermoconverter 7, drying box 10 and breeze fan, first thermoconverter 7 is connect with waste gas delivery pipeline 6, institute
It is connected with air supply duct 11 on the breeze fan stated, pre- hot air duct 12, the air-supply are connected in the drying box 10
Pipeline 11 and pre- hot air duct 12 are connect with the first thermoconverter 7, and second heat conversion device includes the second hot-cast socket
Device 8 and cleaning water tank 9, the second thermoconverter 8 are connected to waste gas delivery pipeline 6, are connected with water-circulating pipe on the cleaning water tank 9
Road 9-1, the water circulating pipe 9-1 pass through the second thermoconverter 8, and water pump driving cleaning is installed on water circulating pipe 9-1
Water in water tank 9 is recycled.
First thermoconverter 7 described in the present embodiment includes internal box 7-2 and outer case 7-1, the internal box 7-2 solid
Fixed to be arranged in outer case 7-1, waste gas delivery pipeline 6 is connected to outer case 7-1, the air supply duct 11 and pre- hot air duct 12
It both passes through outer case 7-1 to be connected to internal box 7-2, several partition 7-3 is arranged at intervals in the internal box 7-2, it is described
One end of partition 7-3 is fixedly connected with internal box 7-2, between the other end of partition 7-3 and the tank wall of internal box 7-2 between be separated with one
Fixed distance, and the connecting pin of adjacent separator 7-3 and internal box 7-2 is on the contrary, the air supply duct 11 is connected to all partitions
The other side of all partition 7-3 is arranged in the side of 7-3, the pre- hot air duct 12.This setting can allow by air supply tube
Travel distance of the air of the pre- hot air duct 12 of the entrance of road 11 in internal box 7-2 is longer, keeps its preheating temperature higher, described
Second thermoconverter 8 includes heat exchange cabinet, is provided with air inlet and air outlet on the heat exchange cabinet, the air inlet with
Waste gas delivery pipeline connection, the gas outlet can connect on emission-control equipment, discharge after handling exhaust gas, described
Heat exchange box body in be provided with coil pipe 8-1, the water circulating pipe 9-1 is connected with coil pipe 8-1.
Waste gas delivery pipeline described in the present embodiment is connected to by preheating cavity 1 with the radiant tube 3 that 2 side of burner is arranged, institute
The internal diameter for the preheating cavity 1 stated is greater than the outer diameter of radiant tube 3.The waste gas delivery pipeline includes the first discharge pipeline section 6-1 and second
Pipeline section 6-2 is discharged, the both ends of the first discharge pipeline section 6-1 are connected to the both ends of radiant tube 3 respectively, the second discharge pipeline section 6-
2 are connected to one end of the setting air supply pipe 5 of radiant tube 3, and are provided with control valve on the second discharge pipeline section 6-2.Pass through control valve
The exhausted air quantity reached in preheating cavity 1 can be controlled, natural gas and air is allowed to be preheated to certain temperature when entering in radiant tube 3
Degree.
Above-mentioned specific embodiment is only the specific case of the utility model, and the scope of patent protection of the utility model includes
But it is not limited to the product form and style of above-mentioned specific embodiment, it is any to meet the utility model claims book and any institute
Belong to the appropriate changes or modifications that the those of ordinary skill of technical field does it, should all fall into the patent protection of the utility model
Range.
Claims (7)
1. a kind of annealing furnace waste-heat recovery device, it is characterised in that: including annealing furnace heating apparatus, be arranged in the first of drying section
Heat conversion device and the second heat conversion device that cleaning section is arranged in, the annealing furnace heating apparatus include heating component and give up
Letter shoot, first heat conversion device include the first thermoconverter, drying box and breeze fan, and first heat turns
Parallel operation is connect with waste gas delivery pipeline, and air supply duct is connected on the breeze fan, preheating is connected in the drying box
Air piping, the air supply duct and pre- hot air duct are connect with the first thermoconverter, the second heat conversion device packet
The second thermoconverter and cleaning water tank are included, the second thermoconverter is connected to waste gas delivery pipeline, is connected on the cleaning water tank
Water circulating pipe, the water circulating pipe pass through the second thermoconverter.
2. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that: the heating component includes radiation
Pipe, air supplies and natural gas supply device, the air supplies are connected with air supply pipe, and the natural gas supplies
Device of air is connected with burner, and the air supply pipe and burner are inserted respectively into the both ends of radiant tube, the radiant tube
Both ends are connected to waste gas delivery pipeline.
3. annealing furnace waste-heat recovery device according to claim 2, it is characterised in that: the radiant tube is W shape, W shape
The lower part of radiant tube the bottom of annealing furnace is connected to by support member, the support member includes fork body and is connected to fork
The lower end of the support column of body lower part, the support column is fixedly connected on the bottom of annealing furnace.
4. annealing furnace waste-heat recovery device described in any one of -3 according to claim 1, it is characterised in that: described first
Thermoconverter includes internal box and outer case, and the internal box is fixedly installed in the outer case, waste gas delivery pipeline and outer case
Connection, the air supply duct and pre- hot air duct both pass through outer case and are connected to internal box, and interval is set in the internal box
Several partitions are equipped with, one end of the partition is fixedly connected with internal box, between the other end of partition and the tank wall of internal box
Between be separated with a certain distance, and the connecting pin of adjacent separator and internal box is on the contrary, the air supply duct is connected to all partitions
Side, the other side of all partitions is arranged in the pre- hot air duct.
5. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that: second thermoconverter includes
Exchange heat cabinet, is provided with air inlet and air outlet on the heat exchange cabinet, the air inlet is connect with waste gas delivery pipeline, institute
Coil pipe is provided in the heat exchange box body stated, the water circulating pipe is connected with coil pipe.
6. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that: the waste gas delivery pipeline passes through pre-
Hot chamber is connected to the radiant tube of setting burner side, and the internal diameter of the preheating cavity is greater than the outer diameter of radiant tube.
7. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that: the waste gas delivery pipeline includes the
One discharge pipeline section and the second discharge pipeline section, and the both ends of the first discharge pipeline section are connected to the both ends of radiant tube respectively, described the
Two discharge pipeline sections are connected to one end of the setting air supply pipe of radiant tube, and are provided with control valve on the second discharge pipeline section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820747973.5U CN208455022U (en) | 2018-05-19 | 2018-05-19 | A kind of annealing furnace waste-heat recovery device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820747973.5U CN208455022U (en) | 2018-05-19 | 2018-05-19 | A kind of annealing furnace waste-heat recovery device |
Publications (1)
Publication Number | Publication Date |
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CN208455022U true CN208455022U (en) | 2019-02-01 |
Family
ID=65149746
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CN201820747973.5U Expired - Fee Related CN208455022U (en) | 2018-05-19 | 2018-05-19 | A kind of annealing furnace waste-heat recovery device |
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CN (1) | CN208455022U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109972154A (en) * | 2019-03-28 | 2019-07-05 | 浙江沪新不锈钢制造有限公司 | A kind of processing of pickling steel pipe hot-tub and treatment process |
CN110004452A (en) * | 2019-03-28 | 2019-07-12 | 浙江沪新不锈钢制造有限公司 | A kind of steel pipe grease stain cleaning device |
-
2018
- 2018-05-19 CN CN201820747973.5U patent/CN208455022U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109972154A (en) * | 2019-03-28 | 2019-07-05 | 浙江沪新不锈钢制造有限公司 | A kind of processing of pickling steel pipe hot-tub and treatment process |
CN110004452A (en) * | 2019-03-28 | 2019-07-12 | 浙江沪新不锈钢制造有限公司 | A kind of steel pipe grease stain cleaning device |
CN110004452B (en) * | 2019-03-28 | 2021-07-20 | 浙江沪新不锈钢制造有限公司 | Steel pipe oil stain belt cleaning device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 |
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CF01 | Termination of patent right due to non-payment of annual fee |