CN217651259U - Hot blast stove device with hydraulic pipeline heat preservation structure - Google Patents
Hot blast stove device with hydraulic pipeline heat preservation structure Download PDFInfo
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- CN217651259U CN217651259U CN202221856777.4U CN202221856777U CN217651259U CN 217651259 U CN217651259 U CN 217651259U CN 202221856777 U CN202221856777 U CN 202221856777U CN 217651259 U CN217651259 U CN 217651259U
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Abstract
The utility model discloses a hot blast stove device with a hydraulic pipeline heat preservation structure, which relates to the technical field of industrial hot blast stove waste gas recycling, and comprises a heat exchange unit, a first hot blast stove unit and a plurality of hydraulic valves for controlling the on-off of a pipeline; the first stove unit comprises: a first hot blast stove; the first waste gas pipeline is connected with the first hot blast stove and used for leading high-temperature waste gas generated by combustion of fuel gas to the heat exchange unit; the heat exchange unit comprises: and the heat delivery pipeline is communicated with the first waste gas pipeline and passes through the vicinity of the hydraulic valve, so that the heat of the high-temperature waste gas in the heat delivery pipeline is used for heating the hydraulic valve. The utility model discloses a hot-blast furnace device with hydraulic pressure pipeline insulation construction can make full use of hot-blast furnace waste gas waste heat to solve hydraulic system supercooling trouble problem.
Description
Technical Field
The utility model relates to an industrial hot blast furnace waste gas recovery utilizes technical field, especially relates to a hot blast furnace device with hydraulic pressure pipeline insulation construction.
Background
The hot blast stove is used as an important ring in the iron-making process, the smelting efficiency of the blast furnace is improved by continuously conveying hot air for the blast furnace, the normal operation of the hot blast stove during combustion and air supply needs to be realized by coordinating the opening and closing of each valve, most of the valves are hydraulically driven, hydraulic pipelines led out through a hydraulic station are connected to each valve, hydraulic oil can only flow in the valve execution action process, the flowing of the valves can be influenced when the ambient temperature is lower than 5 ℃, so that the valves cannot normally operate, at present, a steel enterprise lays a heat preservation effect along the hydraulic pipeline from a steel yard steam bag to a hot blast stove area, but the distance from the steel yard to the hot blast stove is far, so that the engineering quantity is increased, a lot of heat can be lost along the way to influence the heat preservation effect, and in addition, the resource waste and the environmental pollution can be caused by directly discharging steam condensate water which finishes the heat preservation task to the outside through a drain valve after being discharged. The temperature of the flue gas generated during the burning of the hot blast stove is 300-400 ℃, the temperature after heat exchange of the preheater is reduced to about 150 ℃, and the part of heat is directly discharged into the atmosphere through a chimney without being utilized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hot-blast furnace device that has hydraulic pressure pipeline insulation construction that can make full use of hot-blast furnace waste gas waste heat to solve hydraulic system subcooling trouble problem.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a hot blast stove device with a hydraulic pipeline heat preservation structure, which comprises a heat exchange unit, a first hot blast stove unit and a plurality of hydraulic valves for controlling the on-off of pipelines;
the first stove unit comprises:
a first hot blast stove;
the first heating pipeline is connected with the first hot blast stove and used for conveying fuel gas into the first hot blast stove so that the fuel gas is combusted in the first hot blast stove and heats the first hot blast stove, and the hydraulic valve is arranged on the first heating pipeline;
the first waste gas pipeline is connected with the first hot blast stove and used for leading high-temperature waste gas generated by combustion of the fuel gas to the heat exchange unit, and the hydraulic valve is arranged on the first waste gas pipeline;
the heat exchange unit includes:
and the heat delivery pipeline is communicated with the first exhaust pipeline so that high-temperature exhaust gas in the first exhaust pipeline can flow through the heat delivery pipeline, and the heat delivery pipeline passes near the hydraulic valve so that the heat of the high-temperature exhaust gas in the heat delivery pipeline is used for heating the hydraulic valve.
In a preferred embodiment, the heat exchange unit comprises:
the heat exchange box is internally provided with a heat exchange cavity;
the heat exchange pipeline is arranged in the heat exchange cavity, and the heat delivery pipeline can be communicated with the first waste gas pipeline through the heat exchange pipeline, so that high-temperature waste gas in the first waste gas pipeline flows into the heat delivery pipeline through the heat exchange pipeline.
In a preferred embodiment, the hot blast stove device with the hydraulic line insulation structure comprises a second hot blast stove unit;
the second stove unit comprises:
a second hot blast stove;
the hydraulic valve is arranged on the second heating pipeline, and the second heating pipeline is used for conveying fuel gas into the second hot air furnace so that the fuel gas is combusted in the second hot air furnace and heats the second hot air furnace;
and the second waste gas pipeline is provided with the hydraulic valve and is used for leading high-temperature waste gas generated by combustion of fuel gas to the heat exchange unit, and the heat delivery pipeline is communicated with the second waste gas pipeline through the heat exchange pipeline so that the high-temperature waste gas in the second waste gas pipeline can flow into the heat delivery pipeline.
In a preferred embodiment, the hot blast stove device with the hydraulic line insulation structure comprises a third hot blast stove unit;
the third stove unit comprises:
a third hot blast stove;
the third heating pipeline is connected with the third hot blast stove, the hydraulic valve is arranged on the third heating pipeline, and the third heating pipeline is used for conveying fuel gas into the third hot blast stove so that the fuel gas is combusted in the third hot blast stove and heats the third hot blast stove;
and the third waste gas pipeline is provided with the hydraulic valve, the third waste gas pipeline is used for leading high-temperature waste gas generated by combustion of fuel gas to the heat exchange unit, and the heat delivery pipeline is communicated with the third waste gas pipeline through the heat exchange pipeline so that the high-temperature waste gas in the third waste gas pipeline can flow into the heat delivery pipeline.
In a preferred embodiment, the heat exchange unit comprises:
and the induced draft fan is arranged on the heat delivery pipeline and can enable high-temperature waste gas in the heat exchange pipeline to flow into the heat delivery pipeline.
In a preferred embodiment, the heat exchange unit comprises:
an exhaust duct communicated with the heat exchange duct;
the hot blast stove device with the hydraulic pipeline heat preservation structure comprises:
the exhaust chimney is communicated with the exhaust chimney so that high-temperature waste gas in the heat exchange pipeline can flow into the exhaust chimney through the exhaust pipeline, and the heat delivery pipeline is communicated with the exhaust chimney so that high-temperature waste gas in the heat delivery pipeline flows into the exhaust chimney.
In a preferred embodiment, an exhaust gas filter is disposed in the exhaust chimney, and the high-temperature exhaust gas entering the exhaust chimney through the exhaust duct or the heat delivery duct flows into the atmosphere after being filtered by the exhaust gas filter.
In a preferred embodiment, the hot blast stove device with the hydraulic pipeline insulation structure comprises:
a hydraulic source;
the hydraulic source is respectively communicated with the hydraulic valves through the hydraulic pipelines so as to drive the hydraulic valves;
wherein at least part of the heat transfer pipeline passes near the hydraulic pipeline, so that high-temperature waste gas in the heat transfer pipeline is used for heating hydraulic oil in the hydraulic pipeline.
In a preferred embodiment, the outer wall of the heat exchange box is coated with an insulating layer.
The utility model has the characteristics and advantages that:
through letting in high temperature waste gas send hot pipeline to will send hot pipeline setting to pass through hydraulic pressure valve department, enable the waste heat of high temperature waste gas and heat the hydraulic pressure valve, avoided the problem that the hydraulic pressure valve motion is slow or even became invalid that leads to at cold season hydraulic oil subcooling effectively, and improved the recycle effect of high temperature waste gas.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Fig. 1 shows the structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections through intervening media, as well as the detailed meanings of the terms as understood by those skilled in the art. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Referring to fig. 1, the utility model provides a hot blast stove device with a hydraulic pipeline heat preservation structure, which comprises a heat exchange unit 4, a first hot blast stove unit 1 and a plurality of hydraulic valves V for controlling the on-off of pipelines; the first stove unit 1 comprises: a first hot blast stove 11; the first heating pipeline 12 is connected with the first hot blast stove 11, the first heating pipeline 12 is used for conveying fuel gas into the first hot blast stove 11 so that the fuel gas is combusted in the first hot blast stove 11 and heats the first hot blast stove 11, and the first heating pipeline 12 is provided with a hydraulic valve V; the first waste gas pipeline 13 is connected with the first hot blast stove 11, the first waste gas pipeline 13 is used for leading high-temperature waste gas generated by combustion of fuel gas to the heat exchange unit 4, and the first waste gas pipeline 13 is provided with a hydraulic valve V; the heat exchange unit 4 includes: and a heat transfer pipe 43, the heat transfer pipe 43 communicating with the first exhaust pipe 13 so that the high-temperature exhaust gas in the first exhaust pipe 13 can flow through the heat transfer pipe 43, the heat transfer pipe 43 passing through the vicinity of the hydraulic valve V so that the heat of the high-temperature exhaust gas in the heat transfer pipe 43 is used to heat the hydraulic valve V.
To further explain the concrete structure of the hot blast stove device with the hydraulic pipeline heat preservation structure of the embodiment of the present invention, the following further explains the mechanism and connection relationship thereof, wherein:
the heat exchange unit 4 includes: a heat exchange cavity is formed inside the heat exchange box 44, and an insulating layer is wrapped on the outer wall of the heat exchange box 44; the heat exchange pipeline 41, the heat exchange pipeline 41 is set in the heat exchange cavity, the heat sending pipeline 43 can communicate with the first waste gas pipeline 13 through the heat exchange pipeline 41, so that the high-temperature waste gas in the first waste gas pipeline 13 flows into the heat sending pipeline 43 through the heat exchange pipeline 41;
the hot blast stove device with the hydraulic pipeline heat preservation structure comprises a second hot blast stove unit 2; the second stove unit 2 comprises: a second hot blast stove 21; a second heating pipeline 22 connected with the second hot blast stove 21, wherein a hydraulic valve V is arranged on the second heating pipeline 22, and the second heating pipeline 22 is used for conveying fuel gas into the second hot blast stove 21 so as to enable the fuel gas to be combusted in the second hot blast stove 21 and heat the second hot blast stove 21; the second waste gas pipeline 23 is connected with the second hot blast stove 21, a hydraulic valve V is arranged on the second waste gas pipeline 23, the second waste gas pipeline 23 is used for leading high-temperature waste gas generated by combustion of fuel gas to the heat exchange unit 4, and the heat delivery pipeline 43 is communicated with the second waste gas pipeline 23 through the heat exchange pipeline 41, so that the high-temperature waste gas in the second waste gas pipeline 23 can flow into the heat delivery pipeline 43;
the hot blast stove device with the hydraulic pipeline heat preservation structure comprises a third hot blast stove unit 3; the third stove unit 3 comprises: a third hot blast stove 31; a third heating pipeline 32 connected to the third hot blast stove 31, wherein a hydraulic valve V is arranged on the third heating pipeline 32, and the third heating pipeline 32 is used for delivering fuel gas into the third hot blast stove 31, so that the fuel gas is combusted in the third hot blast stove 31 and heats the third hot blast stove 31; a third waste gas pipeline 33 connected with the third hot blast stove 31, wherein a hydraulic valve V is arranged on the third waste gas pipeline 33, the third waste gas pipeline 33 is used for leading high-temperature waste gas generated by gas combustion to the heat exchange unit 4, and the heat delivery pipeline 43 is communicated with the third waste gas pipeline 33 through a heat exchange pipeline 41, so that the high-temperature waste gas in the third waste gas pipeline 33 can flow into the heat delivery pipeline 43;
the heat exchange unit 4 includes: and the induced draft fan 45 is arranged on the heat transfer pipeline 43, and the induced draft fan 45 can enable the high-temperature waste gas in the heat exchange pipeline 41 to flow into the heat transfer pipeline 43.
The heat exchange unit 4 includes: an exhaust duct 46 communicating with the heat exchange duct 41; the hot blast stove device with hydraulic pipeline insulation structure includes: the exhaust chimney 5, the exhaust duct 46 is communicated with the exhaust chimney 5, so that the high-temperature exhaust gas in the heat exchange duct 41 can flow into the exhaust chimney 5 through the exhaust duct 46, and the heat-sending duct 43 is communicated with the exhaust chimney 5, so that the high-temperature exhaust gas in the heat-sending duct 43 flows into the exhaust chimney 5.
The exhaust chimney 5 is provided with an exhaust gas filter, and the high-temperature exhaust gas entering the exhaust chimney 5 through the exhaust duct 46 or the heat-sending duct 43 flows into the atmosphere after being filtered by the exhaust gas filter.
The hot blast stove device with the hydraulic pipeline heat preservation structure comprises: a hydraulic pressure source 6; a plurality of hydraulic pipes 61, through which the hydraulic source 6 is respectively communicated with the plurality of hydraulic valves V to drive the plurality of hydraulic valves V; wherein at least a part of the heat transfer pipe 43 passes near the hydraulic pipe 61 so that the high temperature exhaust gas in the heat transfer pipe 43 is used to heat the hydraulic oil in the hydraulic pipe 61.
Based on above structural description, the utility model discloses hot-blast furnace device with hydraulic pressure pipeline insulation construction has following beneficial effect:
1. the high-temperature waste gas is introduced into the heat delivery pipeline 43, and the heat delivery pipeline 43 is arranged to pass through the hydraulic valve V, so that the waste heat of the high-temperature waste gas can heat the hydraulic valve V, the problem that the hydraulic valve V moves slowly or even fails due to the fact that hydraulic oil is overcooled in cold seasons is effectively solved, and the recycling effect of the high-temperature waste gas is improved;
2. the hot blast furnace units are arranged, so that the continuity of the production process can be effectively improved, sufficient hot air supply is ensured, sufficient high-temperature waste gas is ensured to heat the hydraulic valve V, and the production efficiency is effectively improved.
The above are merely embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the present application without departing from the spirit and scope of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (9)
1. A hot blast stove device with a hydraulic pipeline heat insulation structure is characterized by comprising a heat exchange unit, a first hot blast stove unit and a plurality of hydraulic valves for controlling the connection and disconnection of pipelines;
the first stove unit comprises:
a first hot blast stove;
the first heating pipeline is connected with the first hot blast stove and used for conveying fuel gas into the first hot blast stove so that the fuel gas is combusted in the first hot blast stove and heats the first hot blast stove, and the hydraulic valve is arranged on the first heating pipeline;
the first waste gas pipeline is connected with the first hot blast stove and used for leading high-temperature waste gas generated by combustion of the fuel gas to the heat exchange unit, and the hydraulic valve is arranged on the first waste gas pipeline;
the heat exchange unit includes:
and the heat delivery pipeline is communicated with the first exhaust pipeline so that high-temperature exhaust gas in the first exhaust pipeline can flow through the heat delivery pipeline, and the heat delivery pipeline passes near the hydraulic valve so that the heat of the high-temperature exhaust gas in the heat delivery pipeline is used for heating the hydraulic valve.
2. The hot blast stove device with hydraulic line insulation structure according to claim 1, wherein the heat exchange unit comprises:
the heat exchange box is internally provided with a heat exchange cavity;
the heat exchange pipeline is arranged in the heat exchange cavity, and the heat delivery pipeline can be communicated with the first waste gas pipeline through the heat exchange pipeline, so that high-temperature waste gas in the first waste gas pipeline flows into the heat delivery pipeline through the heat exchange pipeline.
3. The hot blast stove unit with a hydraulic line insulating structure according to claim 2, wherein the hot blast stove unit with a hydraulic line insulating structure comprises a second hot blast stove unit;
the second stove unit comprises:
a second hot blast stove;
the hydraulic valve is arranged on the second heating pipeline, and the second heating pipeline is used for conveying fuel gas into the second hot air furnace so that the fuel gas is combusted in the second hot air furnace and heats the second hot air furnace;
and the second waste gas pipeline is provided with the hydraulic valve and is used for leading high-temperature waste gas generated by combustion of fuel gas to the heat exchange unit, and the heat delivery pipeline is communicated with the second waste gas pipeline through the heat exchange pipeline so that the high-temperature waste gas in the second waste gas pipeline can flow into the heat delivery pipeline.
4. The hot blast stove device with a hydraulic line insulating structure according to claim 3, comprising a third hot blast stove unit;
the third stove unit comprises:
a third hot blast stove;
the hydraulic valve is arranged on the third heating pipeline, and the third heating pipeline is used for conveying fuel gas into the third hot blast stove so that the fuel gas is combusted in the third hot blast stove and heats the third hot blast stove;
and the third waste gas pipeline is provided with the hydraulic valve, and is used for leading high-temperature waste gas generated by combustion of fuel gas to the heat exchange unit, and the heat delivery pipeline is communicated with the third waste gas pipeline through the heat exchange pipeline, so that the high-temperature waste gas in the third waste gas pipeline can flow into the heat delivery pipeline.
5. The hot blast stove device with a hydraulic line insulation structure according to claim 4, wherein the heat exchange unit comprises:
and the induced draft fan is arranged on the heat delivery pipeline and can enable high-temperature waste gas in the heat exchange pipeline to flow into the heat delivery pipeline.
6. The hot blast stove device with a hydraulic line insulation structure according to claim 5, wherein the heat exchange unit comprises:
the exhaust pipeline is communicated with the heat exchange pipeline;
the hot blast stove device with the hydraulic pipeline heat preservation structure comprises:
the exhaust chimney is communicated with the exhaust chimney so that high-temperature waste gas in the heat exchange pipeline can flow into the exhaust chimney through the exhaust pipeline, and the heat delivery pipeline is communicated with the exhaust chimney so that high-temperature waste gas in the heat delivery pipeline flows into the exhaust chimney.
7. The hot-blast stove device with a hydraulic pipeline insulation structure according to claim 6, wherein an exhaust gas filter is provided in the exhaust chimney, and the high-temperature exhaust gas entering the exhaust chimney through the exhaust duct or the heat-supplying duct flows into the atmosphere after being filtered by the exhaust gas filter.
8. The hot blast stove device with a hydraulic line insulating structure according to claim 7, comprising:
a hydraulic source;
the hydraulic source is respectively communicated with the hydraulic valves through the hydraulic pipelines so as to drive the hydraulic valves;
wherein at least part of the heat transfer pipeline passes through the vicinity of the hydraulic pipeline, so that high-temperature waste gas in the heat transfer pipeline is used for heating hydraulic oil in the hydraulic pipeline.
9. The hot blast stove device with the hydraulic pipeline heat preservation structure according to claim 8, wherein the outer wall of the heat exchange box is coated with a heat preservation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221856777.4U CN217651259U (en) | 2022-07-19 | 2022-07-19 | Hot blast stove device with hydraulic pipeline heat preservation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221856777.4U CN217651259U (en) | 2022-07-19 | 2022-07-19 | Hot blast stove device with hydraulic pipeline heat preservation structure |
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| Publication Number | Publication Date |
|---|---|
| CN217651259U true CN217651259U (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221856777.4U Active CN217651259U (en) | 2022-07-19 | 2022-07-19 | Hot blast stove device with hydraulic pipeline heat preservation structure |
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|---|---|
| CN (1) | CN217651259U (en) |
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- 2022-07-19 CN CN202221856777.4U patent/CN217651259U/en active Active
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