CN110645708A

CN110645708A - Improved gas steam coil hot-blast stove

Info

Publication number: CN110645708A
Application number: CN201910849174.8A
Authority: CN
Inventors: 周凯; 李登尧
Original assignee: SICHUAN DENGYAO MACHINERY EQUIPMENT CO Ltd
Current assignee: SICHUAN DENGYAO MACHINERY EQUIPMENT CO Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-01-03

Abstract

The invention discloses an improved gas steam coil hot blast stove which comprises a coil device, a fire observation device, an end cover, an inner cylinder, a cylinder A, a cylinder B, a cylinder C, a cylinder D, an outer cylinder, a ring A, a ring with a hole, a steel pipe A, a steel pipe B, a steel pipe C, a smoke pipe, a ring B, a ring C, a conical cover and a wind bag; the coil pipe device is internally introduced with steam, the steam is changed into superheated steam through an air bag after absorbing most of heat energy from the combustor, natural wind enters from the circular ring with holes, and the superheated steam is changed into hot wind after absorbing part of heat energy in the flue in the air duct and is discharged from the conical cover; the induced draft fan provides the kinetic energy of cold and hot wind. The flue and the air duct are not communicated with each other, the helical blades are arranged in the air duct, the heat exchange efficiency is improved, hot air is free from peculiar smell, and the defects that the hot air temperature of the original gas steam coil hot-air furnace is high, the steam temperature is low, tea leaves processed by the hot-air furnace have peculiar smell and the like are overcome.

Description

Improved gas steam coil hot-blast stove

Technical Field

The invention relates to the field of hot blast stoves, in particular to an improved gas steam coil hot blast stove.

Background

The gas hot blast stove is a heating equipment which uses oil and gas as fuel, uses air as heat carrier, and produces clean hot air after forced circulation by a fan, heat exchange by a heat exchanger and filtration by an air filter.

Through the search discovery, patent number CN 201420351584.2's patent application discloses a gas hot-blast furnace, including quick-witted case, combustor and heat exchanger, quick-witted case middle part is the combustion chamber, and open the through-hole that has the mountable combustor in combustion chamber one end, is located the combustion chamber top and is equipped with the heat exchanger, passes through heat transfer pipeline intercommunication between the export of combustion chamber and the heat exchanger, and quick-witted case top is equipped with hot air outlet, and the junction of heat exchange tube and combustion chamber is equipped with the dust absorber, and quick-witted case right-hand member is equipped with the pipe of discharging fume, and the pipe top of discharging fume is equipped.

Patent application No. CN201020154162.8 discloses a fuel gas indirect heat exchange cylinder type hot blast stove with simple structure, easy maintenance and long service life, which comprises a cylinder-shaped shell with a heat-insulating layer, a detachable front end plate and a detachable rear end plate, wherein a cold air inlet and a smoke exhaust port are respectively arranged on the cylinder-shaped shell; a cylindrical combustion chamber with a combustor is arranged on the front end plate, the cylindrical combustion chamber extends into the cylindrical shell, and a hot air outlet is arranged on the rear end plate; a cylindrical partition is arranged in the cylindrical shell, and divides an air heating zone in the cylindrical shell into a low-temperature heating zone between the cylindrical shell and the cylindrical partition and a high-temperature heating zone between the cylindrical partition and the flame tube shell; and a plurality of groups of U-shaped flue gas heating pipes which are arranged along the outer circumference of the cylindrical partition plate in equal intervals are arranged in the low-temperature heating area, one end of an opening of each U-shaped flue gas heating pipe is communicated with the combustion chamber, and the other end of the opening of each U-shaped flue gas heating pipe in the same direction is communicated with the flue gas exhaust port.

Patent application No. CN201520801736.9 discloses a gas hot blast stove, which comprises a burner, an electric control and automatic control device, a blower, an outer decorative plate, a combustion chamber, a heat insulation layer, a blower channel, a heat insulation layer and a hot blast outlet, the middle part of the hot blast stove is a stove body, a base is arranged below the stove body, the burner is arranged on the left side of the stove body, the burner is connected with the furnace body through a pipeline, the electric control and automatic control device is arranged at the front upper part of the furnace body, the blower is connected above the furnace body, the outer side of the furnace body is wrapped by the outer decorative plate, the combustion chamber is arranged in the furnace body, the heat insulation layer is arranged outside the combustion chamber, the blast channel is arranged outside the heat insulation layer, the heat-insulating layer wraps the outer portion of the air blowing channel, a through hole is formed in the middle of the heat-insulating layer on the right side of the furnace body, and the through hole is the hot air outlet.

At present, a gas hot blast stove at home and abroad mostly adopts a spiral plate type and a horizontal cylindrical structure, and the two devices have the following defects: the structure is complicated, the processing degree of difficulty is big, and manufacturing cost is high, and the energy waste is serious moreover, and current gas steam coil hot-blast furnace hot-blast temperature is high in addition, steam temperature is low, the tealeaves that processes out have shortcomings such as peculiar smell.

Disclosure of Invention

Accordingly, in order to address the above-mentioned deficiencies, the present invention herein provides an improved gas-fired steam coil hot blast stove; after improvement, steam is introduced into the coil pipe device, after most of heat energy from a combustor is absorbed, the steam is changed into superheated steam through an air bag, natural wind enters from a circular ring with holes, and after part of heat energy in a flue is absorbed in an air duct, the natural wind is changed into hot wind and is discharged from a conical cover; the induced draft fan provides the kinetic energy of cold and hot wind. The flue and the air duct are not communicated with each other, the helical blades are arranged in the air duct, the heat exchange efficiency is improved, hot air is free from peculiar smell, and the defects that the hot air temperature of the original gas steam coil hot-air furnace is high, the steam temperature is low, tea leaves processed by the hot-air furnace have peculiar smell and the like are overcome.

The invention is realized in such a way, and an improved gas steam coil hot-blast stove is constructed, which is characterized in that: the fire observation device comprises a coil pipe device, a fire observation device, an end cover, an inner cylinder, a cylinder A, a cylinder B, a cylinder C, a cylinder D, an outer cylinder, a circular ring A, a circular ring with holes, a steel pipe A, a steel pipe B, a steel pipe C, a smoke pipe, a circular ring B, a circular ring C, a conical cover and a wind bag.

The coil pipe device is arranged in the inner cylinder, the fire observation device is arranged on the end cover, the inner cylinder is fixed on the end cover, the cylinder A, the cylinder B, the cylinder C, the cylinder D and the outer cylinder are correspondingly fixed with the ring A, the ring with the hole, the ring B and the ring C to form a flue and an air duct, the steel pipe A, the steel pipe B and the steel pipe C are respectively fixed with the adjacent cylinders to connect the flue and the air duct respectively, the smoke pipe is arranged on the outer cylinder, and the cone cover is fixed with the cylinder A and the cylinder B.

The invention discloses an improved gas steam coil hot blast stove which is characterized in that: the coil pipe device is internally introduced with steam, the steam is changed into superheated steam through an air bag after absorbing most of heat energy from the combustor, natural wind enters from the circular ring with holes, and the superheated steam is changed into hot wind after absorbing part of heat energy in the flue in the air duct and is discharged from the conical cover; the induced draft fan provides the kinetic energy of cold and hot wind. The flue and the air duct are not communicated with each other, the helical blades are arranged in the air duct, the heat exchange efficiency is improved, hot air is free from peculiar smell, and the defects that the hot air temperature of the original gas steam coil hot-air furnace is high, the steam temperature is low, tea leaves processed by the hot-air furnace have peculiar smell and the like are overcome.

The invention has the following advantages: the invention provides an improved gas steam coil hot blast stove which comprises a coil device, a fire observation device, an end cover, an inner cylinder, a cylinder A, a cylinder B, a cylinder C, a cylinder D, an outer cylinder, a circular ring A, a circular ring with holes, a steel pipe A, a steel pipe B, a steel pipe C, a smoke pipe, a circular ring B, a circular ring C, a conical cover and a wind bag; the coil pipe device is internally introduced with steam, the steam is changed into superheated steam through an air bag after absorbing most of heat energy from the combustor, natural wind enters from the circular ring with holes, and the superheated steam is changed into hot wind after absorbing part of heat energy in the flue in the air duct and is discharged from the conical cover; the induced draft fan provides the kinetic energy of cold and hot wind. The flue and the air duct are not communicated with each other, the helical blades are arranged in the air duct, the heat exchange efficiency is improved, hot air is free from peculiar smell, and the defects that the hot air temperature of the original gas steam coil hot-air furnace is high, the steam temperature is low, tea leaves processed by the hot-air furnace have peculiar smell and the like are overcome.

Drawings

FIG. 1 is a schematic view of the whole structure of the gas-fired steam coil hot-blast stove.

Wherein: the fire observation device comprises a coil pipe device 1, a fire observation device 2, an end cover 3, an inner cylinder 4, a cylinder A5, a cylinder B6, a cylinder C7, a cylinder D8, an outer cylinder 9, a ring A10, a perforated ring 11, a steel pipe A12, a steel pipe B13, a steel pipe C14, a smoke pipe 15, a ring B16, a ring C17, a conical cover 18 and a wind bag 19.

Detailed Description

The present invention will be described in detail with reference to fig. 1, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an improved gas steam coil hot blast stove through improvement, which can be implemented as follows as shown in figure 1; the fire observation device comprises a coil pipe device 1, a fire observation device 2, an end cover 3, an inner cylinder 4, a cylinder A5, a cylinder B6, a cylinder C7, a cylinder D8, an outer cylinder 9, a circular ring A10, a circular ring with a hole 11, a steel pipe A12, a steel pipe B13, a steel pipe C14, a smoke pipe 15, a circular ring B16, a circular ring C17, a conical cover 18 and a wind bag 19.

The coil pipe device 1 is arranged in an inner cylinder 4, the fire observation device 2 is arranged on an end cover 3, the inner cylinder 4 is fixed on the end cover 3, a cylinder A5, a cylinder B6, a cylinder C7, a cylinder D8 and an outer cylinder 9 are correspondingly fixed with a ring A10, a ring with holes 11, a ring B16 and a ring C17 to form a flue and an air duct, a steel pipe A12, a steel pipe B13 and a steel pipe C14 are respectively fixed with adjacent cylinders to connect the flue and the air duct, a smoke pipe 15 is arranged on the outer cylinder 9, and a cone cover 18 is fixed with the cylinder A5 and the cylinder B6.

When the device is in use, steam is introduced into the coil pipe device 1, after most of heat energy from a combustor is absorbed, the steam is changed into superheated steam through the air bag 19, natural wind enters from the circular ring 11 with holes, and after part of heat energy in a flue is absorbed in an air flue, the natural wind is changed into hot wind and is discharged from the conical cover 18; the induced draft fan provides the kinetic energy of cold and hot wind. The flue and the air duct are not communicated with each other, the helical blades are arranged in the air duct, the heat exchange efficiency is improved, hot air is free from peculiar smell, and the defects that the hot air temperature of the original gas steam coil hot-air furnace is high, the steam temperature is low, tea leaves processed by the hot-air furnace have peculiar smell and the like are overcome.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an improve gas steam coil pipe hot-blast furnace which characterized in that: the fire observation device comprises a coil pipe device (1), a fire observation device (2), an end cover (3), an inner cylinder (4), a cylinder A (5), a cylinder B (6), a cylinder C (7), a cylinder D (8), an outer cylinder (9), a ring A (10), a ring with holes (11), a steel pipe A (12), a steel pipe B (13), a steel pipe C (14), a smoke pipe (15), a ring B (16), a ring C (17), a conical cover (18) and a wind packet (19); the coil pipe device (1) is arranged in an inner cylinder (4), the fire observation device (2) is arranged on an end cover (3), the inner cylinder (4) is fixed on the end cover (3), a cylinder A (5), a cylinder B (6), a cylinder C (7), a cylinder D (8) and an outer cylinder (9) are correspondingly fixed with a ring A (10), a ring with holes (11), a ring B (16) and a ring C (17) to form a flue and an air duct, the steel pipe A (12), the steel pipe B (13) and the steel pipe C (14) are respectively fixed with adjacent cylinders to connect the flue and the air duct respectively, a smoke pipe (15) is arranged on the outer cylinder (9), and a conical cover (18) is fixed with the cylinder A (5) and the cylinder B (6).

2. The improved gas-fired steam coil hot blast stove according to claim 1, characterized in that: steam is introduced into the coil pipe device (1), after most of heat energy from a combustor is absorbed, the steam is changed into superheated steam through the air bag (19), natural wind enters from the circular ring (11) with holes, and after part of heat energy in the flue is absorbed in the air duct, the natural wind is changed into hot wind and is discharged from the conical cover (18); the induced draft fan provides kinetic energy of cold and hot air; the flue and the air duct are not communicated with each other, the helical blades are arranged in the air duct, the heat exchange efficiency is improved, hot air is free from peculiar smell, and the defects that the hot air temperature of the original gas steam coil hot-air furnace is high, the steam temperature is low, tea leaves processed by the hot-air furnace have peculiar smell and the like are overcome.