CN217636835U - Flue gas heat recycling device for closed calcium carbide furnace - Google Patents
Flue gas heat recycling device for closed calcium carbide furnace Download PDFInfo
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- CN217636835U CN217636835U CN202221442261.5U CN202221442261U CN217636835U CN 217636835 U CN217636835 U CN 217636835U CN 202221442261 U CN202221442261 U CN 202221442261U CN 217636835 U CN217636835 U CN 217636835U
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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
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Abstract
The utility model discloses an airtight calcium carbide stove is with hot recycle device of flue gas, concretely relates to airtight calcium carbide stove technical field, including setting up the first air exhauster in calcium carbide stove one side, the fixed breathing pipe that is equipped with in air inlet of first air exhauster, one side that the calcium carbide stove was kept away from to first air exhauster is equipped with the heat transfer case, the fixed flue gas communicating pipe that is equipped with of the end of giving vent to anger of first air exhauster, the fixed heat conduction baffle that is equipped with in heat transfer incasement portion, heat conduction baffle top and bottom are all fixed and are equipped with a plurality of heating panels, a plurality of circulation holes have been seted up on the heating panel. The utility model discloses a set up a plurality of heating panels of seting up the opening, increased the heat exchange area between high temperature flue gas and the air for the efficiency of heat exchange, slowed down the flow rate of high temperature flue gas and air simultaneously, makeed the heat exchange between flue gas and the air comparatively abundant, and then make the waste heat utilization efficiency in the flue gas higher, reduced thermal loss, practiced thrift the energy.
Description
Technical Field
The utility model relates to an airtight carbide stove technical field, concretely relates to flue gas heat recovery utilizes device for airtight carbide stove.
Background
The calcium carbide furnace is the main equipment for producing calcium carbide. The furnace burden is melted and reacted to generate calcium carbide due to the high temperature emitted by the electric arc in the calcium carbide furnace. Since the reaction temperature is as high as 2000 ℃ or higher, the high temperature is hard to bear by the general refractory material. The volume of the furnace body must be larger than the reaction space. That is, a layer of charge material should remain between the reaction zone and the furnace lining to protect the furnace lining. The calcium carbide furnace is divided into three types, including an open calcium carbide furnace, a semi-closed calcium carbide furnace and a closed calcium carbide furnace, carbon monoxide generated in the open calcium carbide furnace can be combusted on the surface of a material, part of the carbon monoxide generated in the semi-closed calcium carbide furnace is combusted on the surface of the material, the other part of the carbon monoxide is extracted from the interior of the calcium carbide furnace, and carbon monoxide gas generated in the closed calcium carbide furnace is extracted from the interior of the calcium carbide furnace by an exhaust fan.
At present, the heat in the high temperature flue gas that airtight carbide stove produced is most to make the heat in the upper and lower space exchange through a heat transfer board to reach heat recovery and utilization's purpose, but the flow rate of flue gas and air is all very fast, makes heat transfer process's time shorter, and the heat transfer is not enough, makes the heat recovery utilization ratio in the flue gas lower, has wasted partly heat, and the heat transfer effect is good inadequately.
Therefore, it is necessary to provide a flue gas heat recycling device for a closed calcium carbide furnace to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an airtight flue gas heat recovery utilizes device for carbide stove, through setting up a plurality of heating panels of seting up the opening, the heat exchange area between high temperature flue gas and the air has been increased for the efficiency of heat exchange, the flow rate of high temperature flue gas and air has been slowed down simultaneously, make the heat exchange between flue gas and the air comparatively abundant, and then make the waste heat utilization efficiency in the flue gas higher, thermal loss has been reduced, the energy has been practiced thrift, with the above-mentioned weak point in the solution technology.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an airtight flue gas heat recovery utilizes device for carbide stove, is including setting up the first air exhauster in carbide stove one side, the intake end of first air exhauster is fixed to be equipped with the breathing pipe, breathing pipe one end is passed carbide stove top and is linked together with carbide stove inside, one side that the carbide stove was kept away from to first air exhauster is equipped with the heat transfer case, the end of giving vent to anger of first air exhauster is fixed to be equipped with flue gas communicating pipe, flue gas communicating pipe one end is passed heat transfer case one side and is linked together with heat transfer incasement portion, the fixed heat conduction baffle that is equipped with in heat transfer incasement portion, flue gas communicating pipe establishes at heat conduction baffle top, heat conduction baffle top and bottom are all fixed and are equipped with a plurality of heating panels, seted up a plurality of circulation holes on the heating panel, the fixed pipe that is equipped with in one side that the flue gas communicating pipe was kept away from to the heat transfer case, the pipe one end of discharging fume is linked together with heat transfer incasement portion, the pipe of discharging fume establishes at heat transfer case top, the fixed second intake pipe that is equipped with the heat transfer case rear side, second intake pipe is established in heat transfer case bottom, the fixed is equipped with air communicating pipe, the heat transfer case front side is equipped with air communicating pipe, air is established in heat transfer incasement portion.
Preferably, the other end of the air communicating pipe is provided with a second exhaust fan, the air inlet end of the second exhaust fan is fixedly connected with one end of the air communicating pipe, and the air outlet end of the second exhaust fan is fixedly provided with an exhaust pipe, so that air can continuously flow.
Preferably, the carbide stove front side is equipped with the cooling pot, the cooling pot includes heat preservation, heat-conducting layer and shell body, the heat-conducting layer is fixed to be established in the heat preservation inner, the shell body is fixed to be established in the heat preservation outer end, is convenient for cool off high temperature carbide solution.
Preferably, a plurality of radiating fins are fixedly arranged at the outer end of the heat conducting layer, one ends of the radiating fins penetrate through the heat insulating layer and extend into the outer shell, cooling and heat dissipation of the solution are facilitated, and the radiating and cooling effects are good.
Preferably, the fixed first intake pipe that is equipped with in shell body one side, first intake pipe one end is passed the shell body outer end and is linked together with the shell body is inside, the fixed first outlet duct that is equipped with of shell body opposite side, first outlet duct one end is passed the shell body outer end and is linked together with the shell body is inside, the first outlet duct other end and air communicating pipe outer end fixed connection, the flow of the air of being convenient for, and then make rate of heat dissipation faster.
Preferably, the fixed row of being equipped with in carbide stove front side expects the pipe, arrange material pipe one end and pass the carbide stove outer end and be linked together with the carbide stove is inside, arrange the material pipe other end and establish at the cooling pan top, the discharge of the high temperature carbide solution of being convenient for.
Preferably, four support columns are fixedly arranged at the bottom end of the calcium carbide furnace, so that the calcium carbide furnace can be supported and fixed.
In the technical scheme, the utility model provides a technological effect and advantage:
1. high-temperature flue gas generated in the calcium carbide furnace is pumped into the heat exchange box through the first exhaust fan, the flue gas entering the heat exchange box can be blocked by the plurality of heat dissipation plates at the top end of the heat conduction partition plate, the flue gas can only circulate through the inside of the circulation hole, so that the flow speed of the flue gas can be greatly reduced, the second exhaust fan is started, external air can enter the heat exchange box through the second air inlet pipe, the heat dissipation plates at the bottom of the heat conduction partition plate can block the air to a certain extent, the flow speed of the air can be reduced, heat exchange can be carried out between the air at the bottom of the heat conduction partition plate and the flue gas at the top of the heat conduction partition plate in the heat exchange box, the heat exchange area between the high-temperature flue gas and the air is increased by arranging the plurality of heat dissipation plates with the circulation holes, the heat exchange efficiency is increased, the flow speed of the high-temperature flue gas and the air is reduced, the heat exchange between the flue gas and the air is more sufficient, the waste heat utilization efficiency in the flue gas is higher, the heat loss is reduced, and the energy is saved;
2. inside arranging the cooling pot through the carbide solution that produces in the carbide stove, the heat can transmit for radiating fin through the heat-conducting layer, and radiating fin can give off the heat to the shell body inside, and inside the air entered into the shell body through first intake pipe, the air can absorb the inside heat of shell body, absorbed thermal air can enter into inside air communicating pipe through first outlet duct, the utility model discloses a heat-conducting layer and radiating fin's joint heat dissipation for the cooling rate of carbide product is very fast, and cooling efficiency is higher, and the shell body can prevent the heat loss, makes thermal utilization ratio higher, and waste heat recovery effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall three-dimensional structure of the present invention.
Fig. 3 is a schematic view of the three-dimensional sectional structure of the cooling pan of the present invention.
Fig. 4 is a schematic view of a three-dimensional sectional structure of the heat exchange box of the present invention.
Fig. 5 is a schematic view of a three-dimensional sectional structure of the heat exchange box of the present invention.
Description of the reference numerals:
1 carbide stove, 2 cooling pans, 3 heat preservation, 4 heat-conducting layers, 5 shell bodies, 6 radiating fin, 7 first intake pipe, 8 first outlet ducts, 9 first air exhauster, 10 breathing pipe, 11 heat transfer case, 12 flue gas communicating pipe, 13 heat-conducting partition plate, 14 heating panels, 15 circulation holes, 16 pipe, 17 second intake pipe, 18 air communicating pipe, 19 second air exhauster, 20 blast pipes, 21 row's material pipe, 22 support columns.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a as shown in fig. 2, 4 and 5 airtight calcium carbide furnace flue gas heat recovery utilizes device, including setting up the first air exhauster 9 in 1 one side of calcium carbide furnace, the fixed breathing pipe 10 that is equipped with of air inlet of first air exhauster 9, breathing pipe 10 one end is passed 1 top of calcium carbide furnace and is linked together with 1 inside calcium carbide furnace, one side that calcium carbide furnace 1 was kept away from to first air exhauster 9 is equipped with heat transfer case 11, the fixed flue gas communicating pipe 12 that is equipped with of the end of giving vent to anger of first air exhauster 9, flue gas communicating pipe 12 one end is passed heat transfer case 11 one side and is linked together with heat transfer case 11 is inside, the inside fixed heat conduction baffle 13 that is equipped with of heat transfer case 11, flue gas communicating pipe 12 is established at heat conduction baffle 13 top, heat conduction baffle 13 top and bottom are all fixed and are equipped with a plurality of heating panels 14, set up a plurality of through holes 15 on the heating panel 14, heat transfer case 11 keeps away from the fixed flue gas communicating pipe 16 that is equipped with in one side of flue gas communicating pipe 12, the pipe 16 one end of giving vent to the inside is linked together with heat transfer case 11, the heat transfer case 11 that gives vent to give vent to the air inlet pipe 19, the air inlet of the fixed and air intake pipe 19 is equipped with heat transfer case 18 one end of air inlet of heat transfer case 18, the air inlet of the fixed and air inlet of second air inlet of heat transfer case 19, 18 is equipped with heat transfer case 19, the air inlet pipe 19, the air inlet of the air exhaust pipe 19 is connected 13, the heat transfer case 19 is equipped with heat transfer case 19, the air inlet of the fixed and is connected communicating pipe 19, the heat transfer case 19 is connected communicating pipe 19, the heat transfer case 13 top of heat transfer case 11, the air inlet of the heat transfer case 13, the air inlet of the heat transfer case 19, the air inlet of heat transfer case 19 is connected of exhaust pipe 13, the heat transfer case 11, the heat transfer case 19, the air inlet of exhaust pipe 19 is equipped with the air inlet of exhaust pipe 19, the air inlet of exhaust pipe 13, the air inlet of exhaust pipe 19, the air inlet of heat transfer case 19 is connected.
Four support columns 22 are fixedly arranged at the bottom end of the calcium carbide furnace 1.
The implementation mode is specifically as follows: starting the first exhaust fan 9, high-temperature flue gas generated in the calcium carbide furnace 1 can enter the heat exchange box 11 through the air suction pipe 10 and the flue gas communicating pipe 12, the flue gas entering the heat exchange box 11 can be blocked by the plurality of heat dissipation plates 14 at the top end of the heat conduction partition plate 13, and the flue gas can only circulate through the inside of the circulation hole 15, so that the flow speed of the flue gas can be greatly reduced, starting the second exhaust fan 19, external air can enter the heat exchange box 11 through the second air inlet pipe 17, the heat dissipation plates 14 at the bottom of the heat conduction partition plate 13 can block the air to a certain degree, so that the flow speed of the air can be reduced, the air at the bottom of the heat conduction partition plate 13 and the flue gas at the top of the heat conduction partition plate can exchange heat in the heat exchange box 11, the heat exchange area is large, the time is long, and the flue gas after heat exchange can be discharged to an external carbon monoxide collecting device from the smoke exhaust pipe 16, the utility model provides a waste heat recovery device which discharges air at the rear end of heat exchange to the outside through an air communicating pipe 18 and an exhaust pipe 20, the utility model increases the heat exchange area between high-temperature flue gas and air by arranging a plurality of heat dissipation plates 14 with circulation holes 15, increases the heat exchange efficiency, and slows down the flow speed of the high-temperature flue gas and the air, so that the heat exchange between the flue gas and the air is sufficient, further the waste heat utilization efficiency in the flue gas is high, the loss of heat is reduced, and the energy is saved, the embodiment specifically solves the problems that most of the heat in the high-temperature flue gas generated by the closed calcium carbide furnace in the prior art is exchanged with the heat in the upper space and the lower space through a heat exchange plate, so as to achieve the purpose of heat recovery and utilization, but the flow speed of the flue gas and the air is high, the time of the heat exchange process is short, and the heat exchange is insufficient, the heat recovery utilization rate in the flue gas is lower, a part of heat is wasted, and the heat exchange effect is not good enough.
The utility model provides a flue gas heat recovery utilizes device for airtight carbide stove as shown in fig. 1 and 3, 1 front side of carbide stove is equipped with cooling pan 2, cooling pan 2 includes heat preservation 3, heat-conducting layer 4 and shell body 5, heat-conducting layer 4 is fixed to be established in heat preservation 3 the inner, shell body 5 is fixed to be established in heat preservation 3 outer end, the fixed a plurality of radiating fin 6 that is equipped with in 4 outer ends of heat-conducting layer, radiating fin 6 one end is passed heat preservation 3 and is extended to inside shell body 5, the fixed first intake pipe 7 that is equipped with in shell body 5 one side, 7 one end of first intake pipe is passed shell body 5 outer end and is linked together with shell body 5 is inside, 5 opposite sides of shell body are fixed and are equipped with first outlet duct 8, 8 one end of first outlet duct is passed shell body 5 outer end and is linked together with shell body 5 is inside, the 8 other ends of first outlet duct and 18 outer end fixed connection of air communicating pipe, 1 front side of carbide stove is fixed and is equipped with row's material pipe 21, arrange material pipe 21 one end and pass 1 outer end of carbide stove and be linked together with carbide stove, arrange the material pipe 21 other end at cooling pan 2 tops.
The implementation mode is specifically as follows: the carbide solution that produces in the carbide stove 1 can be through arranging inside row material pipe 21 enters into cooling pan 2, the heat can be transmitted for radiating fin 6 through heat-conducting layer 4, radiating fin 6 can give off the heat to the shell body 5 inside, when second air exhauster 19 starts, the air enters into inside shell body 5 through first intake pipe 7, the air can absorb the inside heat of shell body 5, absorbed thermal air can enter into inside air communicating pipe 18 through first outlet duct 8, then enter into outside waste heat recovery device through blast pipe 20, the utility model discloses a heat-conducting layer 4 and radiating fin 6's joint heat dissipation for the cooling rate of carbide product is very fast, and cooling efficiency is higher, and shell body 5 can prevent the heat loss, makes thermal utilization ratio higher, and waste heat recovery effect is better.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides a hot recycle device of flue gas for airtight carbide stove, includes first air exhauster (9) of setting in carbide stove (1) one side, its characterized in that: the calcium carbide furnace is characterized in that an air suction pipe (10) is fixedly arranged at the air inlet end of a first exhaust fan (9), one end of the air suction pipe (10) penetrates through the top end of the calcium carbide furnace (1) and is communicated with the interior of the calcium carbide furnace (1), a heat exchange box (11) is arranged on one side, away from the calcium carbide furnace (1), of the first exhaust fan (9), a flue gas communicating pipe (12) is fixedly arranged at the air outlet end of the first exhaust fan (9), one end of the flue gas communicating pipe (12) penetrates through one side of the heat exchange box (11) and is communicated with the interior of the heat exchange box (11), a heat conducting partition plate (13) is fixedly arranged in the heat exchange box (11), and the flue gas communicating pipe (12) is arranged at the top of the heat conducting partition plate (13), the heat-conducting partition plate is characterized in that a plurality of heat-radiating plates (14) are fixedly arranged at the top end and the bottom end of the heat-conducting partition plate (13), a plurality of circulation holes (15) are formed in the heat-radiating plates (14), a smoke exhaust pipe (16) is fixedly arranged on one side, away from the flue gas communicating pipe (12), of the heat exchange box (11), one end of the smoke exhaust pipe (16) is communicated with the interior of the heat exchange box (11), the smoke exhaust pipe (16) is arranged at the top of the heat-conducting partition plate (13), a second air inlet pipe (17) is fixedly arranged on the rear side of the heat exchange box (11), one end of the second air inlet pipe (17) is communicated with the interior of the heat exchange box (11), and the second air inlet pipe (17) is arranged at the bottom of the heat-conducting partition plate (13), an air communicating pipe (18) is fixedly arranged on the front side of the heat exchange box (11), one end of the air communicating pipe (18) is communicated with the inside of the heat exchange box (11), and the air communicating pipe (18) is arranged at the bottom of the heat conducting partition plate (13).
2. The device for recycling the flue gas heat for the closed calcium carbide furnace, according to claim 1, is characterized in that: the air communicating pipe (18) other end is equipped with second air exhauster (19), the inlet end and the air communicating pipe (18) one end fixed connection of second air exhauster (19), the end of giving vent to anger of second air exhauster (19) is fixed and is equipped with blast pipe (20).
3. The device for recycling the flue gas heat for the closed calcium carbide furnace, according to claim 1, is characterized in that: carbide stove (1) front side is equipped with cooling pan (2), cooling pan (2) are including heat preservation (3), heat-conducting layer (4) and shell body (5), heat-conducting layer (4) are fixed to be established in heat preservation (3) the inner, shell body (5) are fixed to be established in heat preservation (3) outer end.
4. The device for recycling the flue gas heat for the closed calcium carbide furnace, according to claim 3, is characterized in that: the heat-conducting layer (4) outer end is fixed and is equipped with a plurality of radiating fin (6), radiating fin (6) one end is passed heat preservation (3) and is extended to inside shell body (5).
5. The device for recycling the flue gas heat for the sealed calcium carbide furnace as claimed in claim 3, wherein: the air conditioner is characterized in that a first air inlet pipe (7) is fixedly arranged on one side of the outer shell (5), one end of the first air inlet pipe (7) penetrates through the outer end of the outer shell (5) and is communicated with the inside of the outer shell (5), a first air outlet pipe (8) is fixedly arranged on the other side of the outer shell (5), one end of the first air outlet pipe (8) penetrates through the outer end of the outer shell (5) and is communicated with the inside of the outer shell (5), and the other end of the first air outlet pipe (8) is fixedly connected with the outer end of the air communicating pipe (18).
6. The device for recycling the flue gas heat for the closed calcium carbide furnace, according to claim 1, is characterized in that: the fixed row of being equipped with in carbide stove (1) front side expects pipe (21), arrange material pipe (21) one end and pass carbide stove (1) outer end and be linked together with carbide stove (1) inside, arrange the material pipe (21) other end and establish at cooling pan (2) top.
7. The device for recycling the flue gas heat for the sealed calcium carbide furnace as claimed in claim 1, wherein: four support columns (22) are fixedly arranged at the bottom end of the calcium carbide furnace (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221442261.5U CN217636835U (en) | 2022-06-09 | 2022-06-09 | Flue gas heat recycling device for closed calcium carbide furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221442261.5U CN217636835U (en) | 2022-06-09 | 2022-06-09 | Flue gas heat recycling device for closed calcium carbide furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217636835U true CN217636835U (en) | 2022-10-21 |
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ID=83625547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221442261.5U Active CN217636835U (en) | 2022-06-09 | 2022-06-09 | Flue gas heat recycling device for closed calcium carbide furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217636835U (en) |
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2022
- 2022-06-09 CN CN202221442261.5U patent/CN217636835U/en active Active
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