CN212746415U - Dual-purpose stove capable of simultaneously producing hot air and steam - Google Patents
Dual-purpose stove capable of simultaneously producing hot air and steam Download PDFInfo
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- CN212746415U CN212746415U CN202021806983.5U CN202021806983U CN212746415U CN 212746415 U CN212746415 U CN 212746415U CN 202021806983 U CN202021806983 U CN 202021806983U CN 212746415 U CN212746415 U CN 212746415U
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Abstract
The utility model relates to a hot-blast furnace technical field, specifically speaking relates to a produce simultaneously hot-blast and dual-purpose stove of steam, including the combustion cylinder, the inside of combustion cylinder is provided with the inner tube, and the top of combustion cylinder is provided with preheating bin, and preheating bin's inside is provided with air heater, and the one end of combustion cylinder is provided with hot air exitus, and the one end that hot air exitus was kept away from to the combustion cylinder is installed evaporation plant, and the inner tube is located the inboard one end of hot air exitus and is provided with the flue gas import, and the one end of keeping away from the flue gas import of inner tube is outwards buckled and is provided with flue gas. This produce the combustion cylinder of hot-blast and steam dual-purpose stove simultaneously absorbs the heat of flue gas, and the further process of flue gas is preheated the storehouse and is absorbed, and then discharges from the exhanst gas outlet, and the air gets into from air inlet, and follow the exhanst gas outlet after preheating storehouse and hot air channel with the air heating, in addition, evaporate water through evaporation plant and produce steam and supply the production and use.
Description
Technical Field
The utility model relates to a hot-blast furnace technical field, specifically speaking relates to a produce hot-blast and dual-purpose stove of steam simultaneously.
Background
The hot blast stove is a thermodynamic machine, is widely applied in China in the end of the 20 th century 70 s, and becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries. The hot blast stove has various types and complete series, and is divided into a hand-burning furnace and a machine-burning furnace by a coal feeding mode, and is divided into a coal furnace, an oil furnace, a gas furnace and the like by fuel types. The hot blast stove has the characteristics of small equipment volume, compact structure, long service life, high heat efficiency, stable flame, easy ignition, no pollution and the like. Therefore, it is widely used for heating and drying in the industries of grain, food, feed, metallurgy, chemical industry, medicine, biochemistry and the like.
Current hot-blast furnace can only carry out thermal conversion with the flue gas and produce hot-blast and discharge at the function singleness, can not supply the production and use to change the heat of flue gas into steam, needs to set up the evaporimeter in addition, causes the space to occupy, and has reduced the thermal recovery efficiency of flue gas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a produce hot-blast and dual-purpose stove of steam simultaneously to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the utility model provides a dual-purpose furnace capable of simultaneously generating hot air and steam, which comprises a combustion cylinder, wherein an inner cylinder is arranged inside the combustion cylinder, a preheating bin is arranged at the top of the combustion cylinder, an air preheater is arranged inside the preheating bin, a hot air outlet is formed in one end of the combustion cylinder, an evaporation device is installed at one end of the combustion cylinder, which is far away from the hot air outlet, a flue gas inlet is formed in one end of the inner cylinder, which is located at the inner side of the hot air outlet, the end of the inner cylinder, which is far away from the flue gas inlet, is outwards bent to form a flue gas channel, one end of the flue gas channel is communicated with the preheating bin through a flue gas connecting pipe, a hot air channel is formed between the outer wall of the; evaporation plant includes the evaporimeter, one side that the evaporimeter is close to a combustion section of thick bamboo is connected with the flue gas pipeline, the one end and the combustion section of thick bamboo of flue gas pipeline are connected, the outer wall of evaporimeter is provided with a plurality of aqua storage pipes, both sides all are provided with the water inlet about the one end of aqua storage pipe, the top of aqua storage pipe is connected with the steam discharge pipe, the flue gas admission pipe is installed at the top of evaporimeter, install electric butterfly valve on the flue gas admission pipe, the top of flue gas admission pipe is linked together with preheating the storehouse.
Preferably, a plurality of support legs are arranged at the bottom of the combustion cylinder.
Preferably, a flue gas outlet is formed in the top of one end of the preheating bin, the bottom of the preheating bin is communicated with one end of the hot air channel through an air channel, and the middle of the hot air channel is bent in an S shape, and one end, far away from the air channel, of the hot air channel is connected with the hot air outlet.
Preferably, an air inlet is arranged at the top of the preheating bin.
Preferably, the outer wall of the evaporator is provided with a heat insulation layer, the bottom of the evaporator is provided with a support, the top of the evaporator is provided with a connecting rod, and the top end of the connecting rod is tightly welded with the bottom of the preheating bin.
Preferably, the flue gas conveying channel is provided with a switch valve.
Preferably, the inner wall of the flue gas conveying channel is provided with a fire-resistant layer.
Compared with the prior art, the beneficial effects of the utility model are that:
this produce simultaneously in hot-blast and steam dual-purpose stove, through the combustion cylinder that wherein sets up with the heat absorption of flue gas, the further process of flue gas is preheated the storehouse and is absorbed, and then discharges from the exhanst gas outlet, and the air gets into from air inlet, and follow the exhanst gas outlet after preheating storehouse and hot air channel with the air heating and discharge, in addition, evaporate water through evaporation plant and produce steam and supply the plant use, improve the recycle efficiency of flue gas.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a schematic structural diagram of the evaporation device of the present invention.
The various reference numbers in the figures mean: 1. a combustion can; 11. a hot air outlet; 12. a support leg; 13. a hot air passage; 131. a heat dissipating fin; 2. an inner barrel; 21. a flue gas inlet; 22. a flue gas channel; 221. a flue gas connecting pipe; 3. preheating a bin; 31. an air inlet; 32. a flue gas outlet; 33. an air passage; 34. an air preheater; 4. an evaporation device; 41. an evaporator; 42. a flue gas conveying passage; 421. a refractory layer; 422. an on-off valve; 43. a heat-insulating layer; 44. a support; 45. a connecting rod; 46. a steam discharge pipe; 47. a flue gas inlet pipe; 48. an electric butterfly valve; 49. a water storage pipe; 491. a water inlet.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The utility model provides a dual-purpose furnace capable of simultaneously generating hot air and steam, as shown in figures 1-3, comprising a combustion cylinder 1, an inner cylinder 2 is arranged in the combustion cylinder 1, a preheating bin 3 is arranged at the top of the combustion cylinder 1, an air preheater 34 is arranged in the preheating bin 3 for exchanging heat of passing air, a hot air outlet 11 is arranged at one end of the combustion cylinder 1 for discharging hot air after heating, an evaporation device 4 is arranged at one end of the combustion cylinder 1 far away from the hot air outlet 11 for evaporating water to generate steam, a flue gas inlet 21 is arranged at one end of the inner cylinder 2 positioned at the inner side of the hot air outlet 11 for introducing flue gas to be recycled, a flue gas channel 22 is arranged at one end of the inner cylinder 2 far away from the flue gas inlet 21 by bending outwards, one end of the flue gas channel 22 is communicated with the preheating bin 3 through a flue gas connecting pipe 221, so that the flue gas enters the preheating bin 3, a hot air channel 13 is arranged between the outer wall of the flue gas channel 22 and the inner wall of the combustion cylinder 1, a plurality of radiating fins 131 are arranged in the hot air channel 13, and the flue gas passing through the flue gas channel 22 transfers heat to the radiating fins 131, so that the heat of the flue gas is absorbed; the evaporation device 4 comprises an evaporator 41, one side of the evaporator 41 close to the combustion cylinder 1 is connected with a flue gas conveying passage 42, one end of the flue gas conveying passage 42 is connected with the combustion cylinder 1, the outer wall of the evaporator 41 is provided with a plurality of water storage pipes 49, the upper side and the lower side of one end of each water storage pipe 49 are respectively provided with a water inlet 491, the top of each water storage pipe 49 is connected with a steam discharge pipe 46, the top of the evaporator 41 is provided with a flue gas inlet pipe 47, the flue gas inlet pipe 47 is provided with an electric butterfly valve 48, the top of each flue gas inlet pipe 47 is communicated with the preheating bin 3, flue gas in the inner cylinder 2 enters the flue gas inlet pipe 47 through the preheating bin 3 and then enters the evaporator 41, and, which will not be described herein, is used to adjust the amount of flue gas entering the evaporator 41, the flue gas enters the evaporator 41 to heat and evaporate the water in the water storage pipe 49, and the steam is discharged through the steam discharge pipe 46.
Specifically, the bottom of the combustion cylinder 1 is provided with a plurality of support legs 12 for supporting and fixing the bottom of the combustion cylinder 1.
In this embodiment, the top of one end of the preheating bin 3 is provided with a smoke outlet 32 for smoke discharge, the bottom of the preheating bin 3 is communicated with one end of the hot air channel 13 through an air channel 33, and the middle of the hot air channel 13 is bent in an S-shape and is connected with the hot air outlet 11 at the end far away from the air channel 33.
Further, the top of the preheating bin 3 is provided with an air inlet 31, cold air enters the preheating bin 3 from the air inlet 31 for preliminary preheating, then enters the hot air channel 13 through an air channel 33 for heating, and the heated air is discharged through the hot air outlet 11.
Further, the outer wall of evaporimeter 41 is provided with heat preservation 43, and heat preservation 43 adopts the asbestos tile material to make for evaporimeter 41 has fine heat preservation effect, avoids the heat to scatter and disappear, and support 44 is installed to the bottom of evaporimeter 41, and connecting rod 45 is installed at the top of evaporimeter 41, and connecting rod 45's top and the bottom of preheating storehouse 3 are closely welded for it is fixed to guarantee the installation of evaporimeter 41.
Further, a switch valve 422 is disposed on the flue gas conveying path 42 for controlling the opening and closing of the flue gas conveying path 42.
Further, the inner wall of flue gas conveying way 42 is provided with flame retardant coating 421, and flame retardant coating 421 adopts the chamotte material to make, can guarantee that flue gas conveying way 42 is high temperature resistant, avoids using for a long time to damage.
When the dual-purpose furnace capable of generating hot air and steam simultaneously in the embodiment is used, firstly, external flue gas enters the inner barrel 2 through the flue gas inlet 21, the flue gas in the inner barrel 2 enters the flue gas inlet pipe 47 through the preheating bin 3 and further enters the evaporator 41, the flue gas enters the evaporator 41 to heat and evaporate water in the water storage pipe 49, steam is discharged through the steam discharge pipe 46, the flue gas enters the inner barrel 2 again through the flue gas conveying passage 42, when hot air needs to be generated, the switch valve 422 is closed, the flue gas enters the preheating bin 3 through the flue gas passage 22, the flue gas passing through the flue gas passage 22 transfers heat to the radiating fins 131, so that the flue gas heat is absorbed, the flue gas enters the preheating bin 3, the heat is further absorbed, the flue gas is discharged through the flue gas outlet 32, cold air needing to be heated enters the preheating bin 3 from the air inlet 31 to be preheated, and then enters the hot air passage 13 through the air passage 33, the air is heated by heat exchange with the heat radiating fins 131, and the heated air is discharged through the hot air outlet 11 for production and use.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a produce hot-blast and dual-purpose stove of steam simultaneously, includes combustion cylinder (1), its characterized in that: an inner cylinder (2) is arranged in the combustion cylinder (1), a preheating bin (3) is arranged at the top of the combustion cylinder (1), an air preheater (34) is arranged in the preheating bin (3), a hot air outlet (11) is arranged at one end of the combustion cylinder (1), an evaporation device (4) is arranged at one end of the combustion cylinder (1) far away from the hot air outlet (11), one end of the inner cylinder (2) positioned at the inner side of the hot air outlet (11) is provided with a flue gas inlet (21), one end of the inner cylinder (2) far away from the smoke inlet (21) is provided with a smoke channel (22) in an outward bending way, one end of the flue gas channel (22) is communicated with the preheating bin (3) through a flue gas connecting pipe (221), a hot air channel (13) is arranged between the outer wall of the flue gas channel (22) and the inner wall of the combustion cylinder (1), and a plurality of radiating fins (131) are arranged in the hot air channel (13); evaporation plant (4) are including evaporimeter (41), one side that evaporimeter (41) are close to combustion cylinder (1) is connected with flue gas pipeline (42), the one end and the combustion cylinder (1) of flue gas pipeline (42) are connected, the outer wall of evaporimeter (41) is provided with a plurality of aqua storage pipes (49), both sides all are provided with water inlet (491) about the one end of aqua storage pipe (49), the top of aqua storage pipe (49) is connected with steam discharge pipe (46), flue gas admission pipe (47) are installed at the top of evaporimeter (41), install electric butterfly valve (48) on flue gas admission pipe (47), the top and preheating bin (3) of flue gas admission pipe (47) are linked together.
2. The dual-purpose furnace for simultaneously generating hot wind and steam as claimed in claim 1, wherein: the bottom of the combustion cylinder (1) is provided with a plurality of support legs (12).
3. The dual-purpose furnace for simultaneously generating hot wind and steam as claimed in claim 1, wherein: the preheating device is characterized in that a smoke outlet (32) is formed in the top of one end of the preheating bin (3), the bottom of the preheating bin (3) is communicated with one end of a hot air channel (13) through an air channel (33), and the middle of the hot air channel (13) is S-shaped, is bent and arranged, and is far away from one end of the air channel (33) and connected with a hot air outlet (11).
4. The dual-purpose furnace for simultaneously generating hot wind and steam as claimed in claim 1, wherein: the top of the preheating bin (3) is provided with an air inlet (31).
5. The dual-purpose furnace for simultaneously generating hot wind and steam as claimed in claim 1, wherein: the outer wall of evaporimeter (41) is provided with heat preservation (43), support (44) are installed to the bottom of evaporimeter (41), top installation connecting rod (45) of evaporimeter (41), the top of connecting rod (45) and the bottom of preheating storehouse (3) closely weld.
6. The dual-purpose furnace for simultaneously generating hot wind and steam as claimed in claim 1, wherein: and a switch valve (422) is arranged on the smoke conveying channel (42).
7. The dual-purpose furnace for simultaneously generating hot wind and steam as claimed in claim 1, wherein: the inner wall of the flue gas conveying passage (42) is provided with a fire-resistant layer (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021806983.5U CN212746415U (en) | 2020-08-26 | 2020-08-26 | Dual-purpose stove capable of simultaneously producing hot air and steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021806983.5U CN212746415U (en) | 2020-08-26 | 2020-08-26 | Dual-purpose stove capable of simultaneously producing hot air and steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212746415U true CN212746415U (en) | 2021-03-19 |
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ID=74991512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021806983.5U Active CN212746415U (en) | 2020-08-26 | 2020-08-26 | Dual-purpose stove capable of simultaneously producing hot air and steam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212746415U (en) |
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2020
- 2020-08-26 CN CN202021806983.5U patent/CN212746415U/en active Active
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