CN209991799U - Waste heat recovery device of natural gas smelting furnace - Google Patents
Waste heat recovery device of natural gas smelting furnace Download PDFInfo
- Publication number
- CN209991799U CN209991799U CN201920459715.1U CN201920459715U CN209991799U CN 209991799 U CN209991799 U CN 209991799U CN 201920459715 U CN201920459715 U CN 201920459715U CN 209991799 U CN209991799 U CN 209991799U
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- CN
- China
- Prior art keywords
- storage tank
- smelting furnace
- water storage
- circulating pump
- waste heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003723 Smelting Methods 0.000 title claims abstract description 48
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 239000003345 natural gas Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims 3
- 239000007789 gas Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 3
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010795 gaseous waste Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
-
- 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
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a waste heat recovery device of a natural gas smelting furnace, which comprises a smelting furnace body, one side of the smelting furnace body is connected with a water storage tank, a liquid storage tank is arranged right above the water storage tank, an air suction cover is arranged right above the smelting furnace body, the top end of the air suction cover is connected with the tank wall of the liquid storage tank in an alternating way through an exhaust pipe and extends into the cavity of the tank wall of the water storage tank, a first circulating pump is arranged at the bottom end inside the water storage tank, the output end of the first circulating pump is communicated with one end of a water pipe, the waste heat recovery device of the natural gas smelting furnace, gas enters the exhaust pipe through the air suction cover, toxic and harmful substances in the gas are reduced after being filtered by a filter screen, the waste heat of the gas is more environment-friendly, the water storage tank is bypassed in turn, the gas is output through a gas guide pipe, the waste heat of, and the waste heat generated by the smelting furnace body is recycled.
Description
Technical Field
The utility model relates to a waste heat recovery device, in particular to waste heat recovery device of natural gas smelting furnace belongs to smelting furnace technical field.
Background
The smelting furnace is equipment for melting metal ingots and some waste metals, adding necessary alloy components, and smelting the metal ingots and the waste metals into required alloy through operations of slagging-off, refining and the like. Smelting furnaces can be classified into four types, 1, which is classified by heating energy into (1) a fuel heating type and (2) an electric heating type; 2. the heating methods are classified into (1) a direct heating method and (2) an indirect heating method; 3. classified into (1) a continuous furnace and (2) a periodic furnace in an operation manner; 4. the atmosphere in the furnace is classified into (1) an unprotected gas type and (2) a protective gas type.
The material smelting furnace generates a large amount of heat in the smelting process, redundant heat energy generated in smelting is wasted, resource waste is caused, the environment is not environment-friendly, smoke generated in the smelting process also contains a large amount of heat energy, and the waste gas is toxic and can cause air pollution if being directly discharged into the air.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas melting furnace's waste heat recovery device to the unnecessary heat energy that produces is often wasted smelting that proposes in solving above-mentioned background art, causes the wasting of resources, environmental protection inadequately, also contains a large amount of heat energy in the flue gas that produces in the smelting process moreover, because waste gas is poisonous, if directly discharge in the air, still can arouse air pollution's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a waste heat recovery device of a natural gas smelting furnace comprises a smelting furnace body, one side of the smelting furnace body is connected with a water storage tank, a liquid storage tank is arranged right above the water storage tank, an air suction cover is arranged right above the smelting furnace body, the top end of the air suction cover is connected with the wall of the liquid storage tank in an inserting way through an exhaust pipe, and extends into the cavity of the wall of the water storage tank, the bottom end in the water storage tank is provided with a first circulating pump, the output end of the first circulating pump is communicated with one end of a water pipe, the water pipe is wound in a cavity inside the furnace wall of the smelting furnace body, one end of the exhaust pipe extends out of the wall of the water storage tank, and is communicated with an air duct with an air exhaust fan, the other end of the water pipe is communicated with a drain pipe with a one-way valve, and a second circulating pump is arranged at the bottom of one side of the water storage tank, and the input end of the second circulating pump is communicated with external water supply equipment.
As an optimal technical scheme of the utility model, smelting furnace body, water storage box and the tank wall of liquid reserve tank is the heat preservation wall.
As a preferred technical scheme of the utility model, the front of water storage box is equipped with flush mounting plate of switch, flush mounting plate of switch's surface is equipped with first circulating pump switch, second circulating pump switch and the fan switch of bleeding, and first circulating pump, second circulating pump and the fan of bleeding are respectively through first circulating pump switch, second circulating pump switch and the fan switch of bleeding and external power supply electric connection.
As a preferred technical scheme of the utility model, the top of water storage box one side is equipped with the outlet duct, the outlet duct with the tank wall of water storage box alternates to be connected, the inside of outlet duct is inlayed and is equipped with one-way valve.
As the utility model discloses a preferred technical scheme, the cover of breathing in is the loudspeaker form, the bottom of the cover of breathing in is equipped with leads the liquid dish, lead the liquid dish pass through the honeycomb duct with the liquid reserve tank intercommunication, the front of liquid reserve tank is inlayed and is equipped with transparent observation window.
As a preferred technical scheme of the utility model, the inside of blast pipe is equipped with the filter screen that a plurality of equidistant was arranged, a plurality of the mesh diameter of filter screen reduces in proper order.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a waste heat recovery device of natural gas smelting furnace, gaseous cover enters into the blast pipe through breathing in, after the filtration through the filter screen, reduce the poisonous and harmful substance in the gas, relatively environmental protection walks around the water storage box in proper order, through the air duct output, gaseous waste heat is absorbed by the liquid in the water storage box, make the heat retrieve, the water pipe winding that is equipped with is in the inside cavity of smelting furnace body oven, retrieve the waste heat that produces the smelting furnace body and recycle, overall structure is simple, low in cost, therefore, the clothes hanger is strong in practicability, and is easy to popularize.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic structural view of the suction cover of the present invention.
In the figure: 1. a smelting furnace body; 2. a water storage tank; 3. a liquid storage tank; 4. an air intake cover; 5. an exhaust pipe; 6. a filter screen; 7. a flow guide pipe; 8. a water pipe; 9. a one-way valve; 10. a first circulation pump; 11. an air duct; 12. an air outlet pipe; 13. a second circulation pump; 14. a switch panel; 15. and (4) an observation window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a waste heat recovery device of a natural gas smelting furnace, which comprises a smelting furnace body 1, one side of the smelting furnace body 1 is connected with a water storage tank 2, a liquid storage tank 3 is arranged right above the water storage tank 2, an air suction cover 4 is arranged right above the smelting furnace body 1, the top end of the air suction cover 4 is connected with the wall of the liquid storage tank 3 in an inserting way through an exhaust pipe 5 and extends into the cavity of the wall of the water storage tank 2, the bottom end inside the water storage tank 2 is provided with a first circulating pump 10, the output end of the first circulating pump 10 is communicated with one end of a water pipe 8, the water pipe 8 is wound in the cavity inside the furnace wall of the smelting furnace body 1, one end of the exhaust pipe 5 extends out of the wall of the water storage tank 2 and is communicated with an air duct 11 with an air suction fan, the other end of the water pipe 8 is, the input end of the second circulating pump 13 is communicated with the external water supply equipment.
Preferably, the walls of the smelting furnace body 1, the water storage tank 2 and the liquid storage tank 3 are heat-insulating walls, so that heat loss is reduced.
Preferably, the front of the water storage tank 2 is provided with a switch panel 14, the surface of the switch panel 14 is provided with a first circulating pump switch, a second circulating pump switch and an air exhaust fan switch, and the first circulating pump 10, the second circulating pump 13 and the air exhaust fan are respectively electrically connected with an external power supply through the first circulating pump switch, the second circulating pump switch and the air exhaust fan switch, so that the control is easy.
Preferably, the top end of one side of the water storage tank 2 is provided with an air outlet pipe 12, the air outlet pipe 12 is connected with the wall of the water storage tank 2 in an inserting mode, a one-way air valve is embedded in the air outlet pipe 12, and the air outlet pipe 12 guides out air in the water storage tank 2 to keep the pressure inside and outside the water storage tank 2 consistent.
Preferably, the cover 4 of breathing in is the loudspeaker form, and the bottom of the cover 4 of breathing in is equipped with leads the liquid dish, leads the liquid dish and passes through honeycomb duct 7 and liquid reserve tank 3 intercommunication, and liquid reserve tank 3 openly inlays and is equipped with transparent observation window 15, leads the liquid dish and is used for the liquid droplet that produces on the storage cover 4 of breathing in to through honeycomb duct 7 leading-in to liquid reserve tank 3 in, observe the liquid level of liquid in the liquid reserve tank 3 through observation window 15, be convenient for in time derive the liquid in the liquid reserve tank 3, prevent to take place countercurrent phenomenon.
Preferably, the inside of blast pipe 5 is equipped with the filter screen 6 that a plurality of equidistant was arranged, and the mesh diameter of a plurality of filter screen 6 reduces in proper order, is convenient for filter the waste gas that produces.
When the waste heat recovery device is used, the utility model relates to a natural gas smelting furnace, the first circulating pump switch, the second circulating pump switch and the air exhaust fan switch arranged on the surface of the switch panel 14 respectively control the first circulating pump 10, the second circulating pump 13 and the air exhaust fan switch to work, the second circulating pump 13 pumps water into the water storage tank 2, the water is pumped into the water pipe 8 through the first circulating pump 10, the water pipe 8 passes through the cavity inside the furnace wall of the smelting furnace body 1, so that the water solution in the water pipe 8 absorbs heat, the heat is recycled, the waste heat is more environment-friendly, the heated water solution flows into the water storage tank 2, the hot water and the cold water are separately stored, the hot water is convenient to use, the hot water is connected with an external hot water conveying pipe through a drain pipe on one side of the water storage tank 2, the waste gas generated by the work of the exhaust fan body 1 generates negative pressure through the, through the filter screen 6 that a plurality of equidistant was arranged in proper order, the poisonous and harmful substance in the filtration waste gas reaches preliminary purification's purpose, and 5 twines on water storage box 2 in the blast pipe can heat the cold water in the water storage box 2 to make the heat obtain retrieving, more environmental protection, after the use, close the switch on flush mounting plate 14 surface.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The waste heat recovery device of the natural gas smelting furnace comprises a smelting furnace body (1) and is characterized in that one side of the smelting furnace body (1) is connected with a water storage tank (2), a liquid storage tank (3) is arranged right above the water storage tank (2), an air suction cover (4) is arranged right above the smelting furnace body (1), the top end of the air suction cover (4) is connected with the wall of the liquid storage tank (3) in an inserting mode through an exhaust pipe (5) and extends into a cavity of the wall of the water storage tank (2), a first circulating pump (10) is arranged at the bottom end inside the water storage tank (2), the output end of the first circulating pump (10) is communicated with one end of a water pipe (8), the water pipe (8) is wound in the cavity inside the smelting furnace body (1), and one end of the exhaust pipe (5) extends out of the wall of the water storage tank (2), and the water storage tank is communicated with an air guide pipe (11) with an air exhaust fan, the other end of the water pipe (8) is communicated with a drain pipe with a one-way valve (9), a second circulating pump (13) is arranged at the bottom of one side of the water storage tank (2), and the input end of the second circulating pump (13) is communicated with external water supply equipment.
2. The waste heat recovery device of the natural gas smelting furnace according to claim 1, characterized in that: the wall of the smelting furnace body (1), the water storage tank (2) and the liquid storage tank (3) are heat-insulating walls.
3. The waste heat recovery device of the natural gas smelting furnace according to claim 1, characterized in that: the front of water storage box (2) is equipped with flush mounting plate of switch (14), flush mounting plate of switch (14) surface is equipped with first circulating pump switch, second circulating pump switch and air extraction fan switch, and first circulating pump (10), second circulating pump (13) and air extraction fan are respectively through first circulating pump switch, second circulating pump switch and air extraction fan switch and external power source electric connection.
4. The waste heat recovery device of the natural gas smelting furnace according to claim 1, characterized in that: the water storage tank is characterized in that an air outlet pipe (12) is arranged at the top end of one side of the water storage tank (2), the air outlet pipe (12) is connected with the wall of the water storage tank (2) in an inserting mode, and a one-way air valve is embedded in the air outlet pipe (12).
5. The waste heat recovery device of the natural gas smelting furnace according to claim 1, characterized in that: the cover of breathing in (4) are the loudspeaker form, the bottom of cover of breathing in (4) is equipped with leads the liquid dish, lead the liquid dish pass through honeycomb duct (7) with liquid reserve tank (3) intercommunication, the front of liquid reserve tank (3) is inlayed and is equipped with transparent observation window (15).
6. The waste heat recovery device of the natural gas smelting furnace according to claim 1, characterized in that: the inside of blast pipe (5) is equipped with a plurality of filter screen (6) that the equidistance was arranged, a plurality of the mesh diameter of filter screen (6) reduces in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920459715.1U CN209991799U (en) | 2019-04-08 | 2019-04-08 | Waste heat recovery device of natural gas smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920459715.1U CN209991799U (en) | 2019-04-08 | 2019-04-08 | Waste heat recovery device of natural gas smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209991799U true CN209991799U (en) | 2020-01-24 |
Family
ID=69291014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920459715.1U Expired - Fee Related CN209991799U (en) | 2019-04-08 | 2019-04-08 | Waste heat recovery device of natural gas smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209991799U (en) |
-
2019
- 2019-04-08 CN CN201920459715.1U patent/CN209991799U/en not_active Expired - Fee Related
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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: 20200124 |