CN211451408U - Hot-blast furnace waste heat recovery device - Google Patents
Hot-blast furnace waste heat recovery device Download PDFInfo
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- CN211451408U CN211451408U CN202020001433.XU CN202020001433U CN211451408U CN 211451408 U CN211451408 U CN 211451408U CN 202020001433 U CN202020001433 U CN 202020001433U CN 211451408 U CN211451408 U CN 211451408U
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- water
- storage tank
- water pump
- water storage
- pipe
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Abstract
The utility model provides a hot blast stove waste heat recovery device. The hot blast stove waste heat recovery device comprises a water storage tank; the air guide coil is fixedly arranged in the water storage tank, the top end of the air guide coil extends to the upper part of the water storage tank, and the bottom end of the air guide coil extends to one side of the water storage tank; the first water pump is fixedly arranged on the outer wall of one side of the water storage tank; the water pumping pipe is fixedly installed at a water inlet of the first water pump, and one end, far away from the first water pump, of the water pumping pipe extends into the water storage tank; and the second water pump is fixedly arranged on the outer wall of one side of the water storage tank, which is far away from the first water pump. The utility model provides a hot-blast furnace waste heat recovery device has one kind can carry out recycle, have leading coarse filtration function, convenient to use's advantage to the waste heat.
Description
Technical Field
The utility model relates to a waste heat recovery technical field especially relates to a hot-blast furnace waste heat recovery device.
Background
When the hot blast stove works, a large amount of heat is contained in the waste gas discharged from the chimney, and is generally directly discharged into the waste gas filtering device at present, so that the waste of heat is caused, and the filtering component is quickly aged by overheated air. In addition, the exhaust gas discharged from the chimney of the hot blast stove using coal as fuel also contains a large amount of dust, and the direct discharge into the exhaust gas filtering device can cause the load of the exhaust gas filtering component to be overlarge.
Therefore, there is a need to provide a new hot blast stove waste heat recovery device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a hot-blast furnace waste heat recovery device that can carry out recycle, have leading coarse filtration function, convenient to use to the waste heat.
In order to solve the technical problem, the utility model provides a hot-blast furnace waste heat recovery device includes: a water storage tank; the air guide coil is fixedly arranged in the water storage tank, the top end of the air guide coil extends to the upper part of the water storage tank, and the bottom end of the air guide coil extends to one side of the water storage tank; the first water pump is fixedly arranged on the outer wall of one side of the water storage tank; the water pumping pipe is fixedly installed at a water inlet of the first water pump, and one end, far away from the first water pump, of the water pumping pipe extends into the water storage tank; the second water pump is fixedly arranged on the outer wall of one side of the water storage tank, which is far away from the first water pump; the water outlet pipe is fixedly arranged at the water outlet of the second water pump, and one end of the water outlet pipe, which is far away from the second water pump, extends into the water storage tank; the dust collection box is arranged on one side of the water storage tank; the partition plate is fixedly arranged in the dust collection box; the dust removal filter element is fixedly arranged on the partition plate; the air inlet pipe is fixedly arranged at the bottom end of the air guide coil pipe, and one end of the air inlet pipe, which is far away from the water storage tank, extends into the dust collection box and is positioned below the partition plate; the centrifugal fan is arranged on one side of the dust collection box; the air exhaust pipe is fixedly installed at an air inlet of the centrifugal fan, and one end, far away from the centrifugal fan, of the air exhaust pipe extends into the dust collection box and is located above the partition plate.
Preferably, an air outlet of the centrifugal fan is fixedly provided with an exhaust pipe.
Preferably, the bottom of the dust collection box is fixedly provided with an ash discharge pipe, and the ash discharge pipe is provided with an ash discharge valve.
Preferably, an automatic exhaust valve is fixedly mounted at the top of the dust collection box.
Preferably, a first support frame is fixedly installed on the outer wall of one side of the water storage tank, the first water pump is fixedly installed on the first support frame, and an external water outlet pipe is fixedly installed at a water outlet of the first water pump.
Preferably, the water storage tank is far away from a second support frame is fixedly mounted on the outer wall of one side of the first water pump, the second water pump is fixedly mounted on the second support frame, and an external water inlet pipe is fixedly mounted at a water inlet of the second water pump.
Preferably, the top of the dust collection box is provided with an overhaul cover plate, and the overhaul cover plate is fixedly connected with the dust collection box through a bolt.
Compared with the prior art, the utility model provides a hot-blast furnace waste heat recovery device has following beneficial effect:
the utility model provides a hot-blast furnace waste heat recovery device, start the operation of second water pump and can be with outside running water suction to the storage tank in, after the centrifugal fan operation, hot-blast furnace chimney exhaust hot waste gas can enter into the air guide coil pipe and flow to centrifugal fan, hot waste gas can pass through the air guide coil pipe and transfer the heat to the clear water in the storage tank, make the temperature of clear water rise gradually, make waste gas preheat and obtain fine recovery, the temperature of waste gas then can reduce and enter into the dust collection box, in the course that waste gas accesss to the exhaust tube, the dust removal is strained a section of thick bamboo and can be held back most dust particles that contain in the waste gas, regularly open the dust discharge valve on the dust exhaust pipe and can discharge the dust that collects, high durability and convenient use; the hot water can be pumped out by starting the first water pump, and the hot water can be used by staff in a factory, so that the hot water manufacturing cost of the factory can be saved.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a waste heat recovery device of a hot blast stove provided by the present invention;
fig. 2 is a front view of the air conduction coil shown in fig. 1.
Reference numbers in the figures: 1. storage water tank, 2, air guide coil pipe, 3, first water pump, 4, drinking-water pipe, 5, second water pump, 6, drain pipe, 7, dust collection box, 8, baffle, 9, dust removal filter core, 10, intake pipe, 11, centrifugal fan, 12, exhaust pipe, 13, blast pipe, 14, dust exhaust pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a waste heat recovery device of a hot blast stove provided by the present invention; fig. 2 is a front view of the air conduction coil shown in fig. 1. The hot-blast furnace waste heat recovery device includes: a water storage tank 1; the air guide coil 2 is fixedly arranged in the water storage tank 1, the top end of the air guide coil 2 extends to the upper part of the water storage tank 1, and the bottom end of the air guide coil 2 extends to one side of the water storage tank 1; the first water pump 3 is fixedly arranged on the outer wall of one side of the water storage tank 1; the water pumping pipe 4 is fixedly installed at a water inlet of the first water pump 3, and one end, far away from the first water pump 3, of the water pumping pipe 4 extends into the water storage tank 1; the second water pump 5 is fixedly arranged on the outer wall of one side of the water storage tank 1, which is far away from the first water pump 3; the drain pipe 6 is fixedly arranged at the water outlet of the second water pump 5, and one end, far away from the second water pump 5, of the drain pipe 6 extends into the water storage tank 1; the dust collection box 7, the said dust collection box 7 is set up in one side of the said storage water tank 1; the partition plate 8 is fixedly arranged in the dust collection box 7; the dust removal filter element 9 is fixedly arranged on the partition plate 8; the air inlet pipe 10 is fixedly arranged at the bottom end of the air guide coil pipe 2, and one end, far away from the water storage tank 1, of the air inlet pipe 10 extends into the dust collection box 7 and is positioned below the partition plate 8; the centrifugal fan 11 is arranged on one side of the dust collection box 7; the air exhaust pipe 12 is fixedly installed at an air inlet of the centrifugal fan 11, and one end, far away from the centrifugal fan 11, of the air exhaust pipe 12 extends into the dust collection box 7 and is located above the partition plate 8.
An exhaust pipe 13 is fixedly arranged at an air outlet of the centrifugal fan 11.
An ash discharge pipe 14 is fixedly arranged at the bottom of the dust collection box 7, and an ash discharge valve is arranged on the ash discharge pipe 14.
And an automatic exhaust valve is fixedly arranged at the top of the dust collection box 7.
A first support frame is fixedly installed on the outer wall of one side of the water storage tank 1, the first water pump 3 is fixedly installed on the first support frame, and an external water outlet pipe is fixedly installed at a water outlet of the first water pump 3.
The water storage tank 1 is far away from a second support frame is fixedly mounted on the outer wall of one side of the first water pump 3, the second water pump 5 is fixedly mounted on the second support frame, and an external water inlet pipe is fixedly mounted at a water inlet of the second water pump 5.
And the top of the dust collection box 7 is provided with an overhauling cover plate which is fixedly connected with the dust collection box 7 through a bolt.
The utility model provides a hot-blast furnace waste heat recovery device's theory of operation as follows:
when in use, the top end of the air guide coil pipe 2 is communicated with a chimney of the hot blast stove through a pipeline; the exhaust pipe 13 is communicated with an air inlet of the waste gas filtering device through a pipeline; the air guide coil 3 is made of copper material.
The second water pump 5 is started to operate to pump in external tap water and discharge the tap water into the water storage tank 1 through the water discharge pipe 6, after the centrifugal fan 11 operates, high negative pressure is generated in the centrifugal fan, hot waste gas discharged from a chimney of the hot blast stove enters the air guide coil pipe 2 and flows to the centrifugal fan 11, heat is transferred into clean water in the water storage tank 1 through the air guide coil pipe 2 in the process that the hot waste gas passes through the interior of the water storage tank 1, so that the temperature of the clean water is gradually increased, while the temperature of the exhaust gas is decreased and enters the dust collecting box 7, in the process that the exhaust gas is led to the exhaust pipe 12, the dust removal filter cylinder 9 can intercept most of dust particles contained in the exhaust gas, the exhaust gas after coarse filtration is finally discharged into the exhaust gas filtering device through the exhaust pipe 13, the intercepted dust particles fall into the bottom of the dust collection box 7 under the action of gravity, and the collected dust can be discharged by periodically opening the dust discharge valve on the dust discharge pipe 14.
Because hot waste gas is from top to bottom the spiral flow, so the temperature of the temperature that is in the higher position can be higher in the storage water tank 1, starts the operation of first water pump 3, and accessible drinking-water pipe 4 takes hot water out to during discharging to external outlet pipe, supply staff in the factory to use hot water, start the operation of second water pump 5 and can carry out the moisturizing, automatic exhaust valve can avoid storage water tank 1 internal gas pressure too big.
Compared with the prior art, the utility model provides a hot-blast furnace waste heat recovery device has following beneficial effect:
the utility model provides a hot-blast furnace waste heat recovery device, start the operation of second water pump 5 and can be with in the outside running water suction to storage water tank 1, centrifugal fan 11 operation back, hot-blast furnace chimney exhaust hot waste gas can enter into air guide coil pipe 2 and flow to centrifugal fan 11, hot waste gas can pass through air guide coil pipe 2 with heat transfer to the clear water in storage water tank 1, make the temperature of clear water rise gradually, make waste gas preheat and obtain fine recovery, the temperature of waste gas then can reduce and enter into dust collection box 7, in the process that waste gas accesss to exhaust tube 12, dust removal filter cylinder 9 can hold back most dust particles that contain in the waste gas, regularly open the dust discharge valve on dust exhaust pipe 14 and can discharge the dust of collecting, high durability and convenient use; the hot water can be pumped out by starting the first water pump 3 to operate, and the hot water can be used by staff in a factory, so that the hot water manufacturing cost of the factory can be saved.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a hot-blast furnace waste heat recovery device which characterized in that includes:
a water storage tank;
the air guide coil is fixedly arranged in the water storage tank, the top end of the air guide coil extends to the upper part of the water storage tank, and the bottom end of the air guide coil extends to one side of the water storage tank;
the first water pump is fixedly arranged on the outer wall of one side of the water storage tank;
the water pumping pipe is fixedly installed at a water inlet of the first water pump, and one end, far away from the first water pump, of the water pumping pipe extends into the water storage tank;
the second water pump is fixedly arranged on the outer wall of one side of the water storage tank, which is far away from the first water pump;
the water outlet pipe is fixedly arranged at the water outlet of the second water pump, and one end of the water outlet pipe, which is far away from the second water pump, extends into the water storage tank;
the dust collection box is arranged on one side of the water storage tank;
the partition plate is fixedly arranged in the dust collection box;
the dust removal filter element is fixedly arranged on the partition plate;
the air inlet pipe is fixedly arranged at the bottom end of the air guide coil pipe, and one end of the air inlet pipe, which is far away from the water storage tank, extends into the dust collection box and is positioned below the partition plate;
the centrifugal fan is arranged on one side of the dust collection box;
the air exhaust pipe is fixedly installed at an air inlet of the centrifugal fan, and one end, far away from the centrifugal fan, of the air exhaust pipe extends into the dust collection box and is located above the partition plate.
2. The hot blast stove waste heat recovery device according to claim 1, wherein an exhaust pipe is fixedly installed at an air outlet of the centrifugal fan.
3. The waste heat recovery device of the hot blast stove according to claim 1, wherein an ash discharge pipe is fixedly arranged at the bottom of the dust collection box, and an ash discharge valve is arranged on the ash discharge pipe.
4. The hot blast stove waste heat recovery device according to claim 1, wherein an automatic exhaust valve is fixedly mounted at the top of the dust collection box.
5. The hot blast stove waste heat recovery device according to claim 1, wherein a first support frame is fixedly installed on an outer wall of one side of the water storage tank, the first water pump is fixedly installed on the first support frame, and an external water outlet pipe is fixedly installed at a water outlet of the first water pump.
6. The hot blast stove waste heat recovery device according to claim 1, wherein a second support frame is fixedly installed on an outer wall of one side of the water storage tank away from the first water pump, the second water pump is fixedly installed on the second support frame, and an external water inlet pipe is fixedly installed at a water inlet of the second water pump.
7. The hot blast stove waste heat recovery device according to claim 1, wherein a maintenance cover plate is arranged on the top of the dust collection box, and the maintenance cover plate is fixedly connected with the dust collection box through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001433.XU CN211451408U (en) | 2020-01-02 | 2020-01-02 | Hot-blast furnace waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001433.XU CN211451408U (en) | 2020-01-02 | 2020-01-02 | Hot-blast furnace waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211451408U true CN211451408U (en) | 2020-09-08 |
Family
ID=72321044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020001433.XU Expired - Fee Related CN211451408U (en) | 2020-01-02 | 2020-01-02 | Hot-blast furnace waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211451408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414170A (en) * | 2020-10-29 | 2021-02-26 | 王作华 | Exhaust treatment device for industrial production |
-
2020
- 2020-01-02 CN CN202020001433.XU patent/CN211451408U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414170A (en) * | 2020-10-29 | 2021-02-26 | 王作华 | Exhaust treatment device for industrial production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20220102 |