CN215411965U

CN215411965U - Split type indirect heat exchange hot blast stove

Info

Publication number: CN215411965U
Application number: CN202122189252.1U
Authority: CN
Inventors: 程何康; 冯若炎; 冯培亮; 李鹏志; 吕鑫; 魏云; 梁坤龙; 刘聚州; 杨东海
Original assignee: Henan Province Sitong Boiler Co ltd
Current assignee: Henan Province Sitong Boiler Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-04
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a split type indirect heat exchange hot blast stove which comprises a stove body, wherein a hot blast bin is arranged above the inside of the stove body, a combustion bin is arranged below the inside of the stove body, combustion equipment is arranged below the inside of the combustion bin, a chain grate is arranged below the combustion equipment, aluminum silicate acupuncture blankets are arranged on the top and the side parts of the hot blast bin, heat exchange equipment is arranged on the outer side of the hot blast bin, the outer wall of one side of the hot blast bin is communicated with the heat exchange equipment through a connecting flue, a flue gas outlet is arranged at one end, away from the stove body, of the heat exchange equipment, a plurality of heat exchange tubes are arranged inside the heat exchange equipment, and a cold air inlet and a hot air outlet are respectively arranged at two ends of the outer wall of one side of the heat exchange equipment. In this split type indirect heat exchange hot air furnace, can guarantee that the flue gas flows in indirect heat exchange equipment is stable, and the inside flue gas temperature of furnace body is difficult for scattering and disappearing for the programming rate is fast, guarantees that the flue gas stably gets into indirect heat exchange equipment, through the heat transfer at indirect heat exchange equipment, makes the flue gas give clean air with heat transfer, guarantees hot-blast use.

Description

Split type indirect heat exchange hot blast stove

Technical Field

The utility model relates to the technical field of boiler equipment, in particular to a split type indirect heat exchange hot blast stove.

Background

The hot blast stove is widely used as a drying heat source for drying, printing and dyeing, spraying paint and the like of grains, foods, medicinal materials, tobacco, various agricultural and sideline pastoral products and various industrial materials, and can also be used for heating of tall plants, plastic greenhouses and the like, and dehumidifying and heating of places needing drying such as underground mines, underground engineering and the like.

But current hot-blast furnace structure is heavy, and heat exchange efficiency is not high, and the trend of flue gas is not stable enough, leads to the heat transfer effect not good, and the heat preservation effect of furnace body is not good, causes the heat to scatter and disappear easily, and in addition, the programming rate is slow, is not convenient for daily use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a split type indirect heat exchange hot blast stove to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides a split type indirect heat exchange hot blast stove which comprises a stove body, wherein a hot blast bin is arranged above the inside of the stove body, a combustion bin is arranged below the inside of the stove body, combustion equipment is arranged below the inside of the combustion bin, a chain grate is arranged below the combustion equipment, aluminum silicate acupuncture blankets are arranged at the top and the side of the hot blast bin, heat exchange equipment is arranged outside the hot blast bin, the outer wall of one side of the hot blast bin is communicated with the heat exchange equipment through a connecting flue, a flue gas outlet is formed in one end, away from the stove body, of the heat exchange equipment, a plurality of heat exchange tubes are arranged inside the heat exchange equipment, a cold air inlet and a hot air outlet are respectively formed in the two ends of the outer wall of one side of the heat exchange equipment, and the cold air inlet and the hot air outlet are respectively connected with the two ends of the heat exchange tubes.

Preferably, the furnace body is made of a square steel structure.

Preferably, a foundation is installed at the bottom of the furnace body.

Preferably, lifting lugs are arranged on two sides of the top of the furnace body.

Preferably, the top of the combustion chamber is provided with a smoke port.

Preferably, a valve is arranged on the connecting flue.

Preferably, an arched furnace door is arranged on the outer wall of one side of the combustion chamber.

Preferably, a front arch refractory layer and a rear arch refractory brick are respectively arranged at the front and the rear of the combustion bin, an arch refractory brick is also arranged at the top of the combustion bin, and rock wool is arranged on the outer walls of two sides of the rear arch refractory brick.

Compared with the prior art, the utility model has the beneficial effects that:

in this split type indirect heat exchange hot air furnace, can guarantee that the flue gas flows in indirect heat exchange equipment is stable, and the inside flue gas temperature of furnace body is difficult for scattering and disappearing for the programming rate is fast, and guarantees that the flue gas stably gets into indirect heat exchange equipment, through the heat transfer at indirect heat exchange equipment, makes the flue gas give clean air with heat transfer, guarantees hot-blast use.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the furnace body according to the present invention;

fig. 3 is a schematic top view of the present invention.

The various reference numbers in the figures mean:

1. a traveling grate; 2. a front arch refractory layer; 3. an arched furnace door; 4. an aluminum silicate needled blanket; 5. rear arch refractory bricks; 6. rock wool; 7. a furnace body; 71. lifting lugs; 72. a foundation; 73. a combustion chamber; 74. a hot air bin; 75. an air inlet; 8. a combustion device; 9. heat exchange equipment; 91. connecting the flue; 92. a cold air inlet; 93. a hot air outlet; 94. and a flue gas outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

The utility model provides a split type indirect heat exchange hot blast stove, as shown in figures 1-3, comprising a stove body 7, a hot blast bin 74 arranged above the inside of the stove body 7 and used for generating high-temperature flue gas, a combustion bin 73 arranged below the inside of the stove body 7 and used for burning to generate flue gas, a combustion device 8 arranged below the inside of the combustion bin 73, a chain grate 1 arranged below the combustion device 8 and used for placing dye for burning, aluminum silicate needled blanket 4 arranged on the top and side of the hot blast bin 74 and used for playing a role of heat insulation and fire prevention, a heat exchange device 9 arranged outside the hot blast bin 74 and used for heat exchange, wherein the outer wall of one side of the hot blast bin 74 is communicated with the heat exchange device 9 through a connecting flue 91, the inner cavity of the heat exchange device 9 is in a W-shaped structure to ensure stable flow of the flue gas and enable the flue gas to fully exchange heat with clean air, one end of the heat exchange device 9, which is far away from the furnace body 7, is provided with a flue gas outlet 94 for flue gas discharge, a dust remover is installed at the outer end of the flue gas outlet 94, the flue gas is discharged to the outside after being dedusted, the inside of the heat exchange device 9 is provided with a plurality of heat exchange tubes for heat exchange between high-temperature flue gas and air, two ends of the outer wall on one side of the heat exchange device 9 are respectively provided with a cold air inlet 92 and a hot air outlet 93 for hot air discharge after cold air entering and heat exchange, and the cold air inlet 92 and the hot air outlet 93 are respectively connected with two ends of the heat exchange tubes.

In this embodiment, the furnace body 7 adopts the square steel structure to constitute for 7 overall structure of furnace body is stable not fragile.

Specifically, the foundation 72 is installed at the bottom of the furnace body 7, so that the bottom of the furnace body 7 is firm, and the stability of the whole furnace body 7 is ensured.

Furthermore, lifting lugs 71 are arranged on two sides of the top of the furnace body 7, so that the whole device can be conveniently hoisted.

Further, a smoke outlet 731 is arranged at the top of the combustion chamber 73, and is used for enabling smoke to enter the hot air chamber 74 and then enter the heat exchange device 9.

Furthermore, a valve is arranged on the connecting flue 91, so that the connecting flue 91 can be conveniently opened and closed.

Further, an arched furnace door 3 is arranged on the outer wall of one side of the combustion chamber 73 and used for putting fuel.

Furthermore, the front and the back of the combustion chamber 73 are respectively provided with a front arch refractory layer 2 and a back arch refractory brick 5, the top of the combustion chamber 73 is also provided with an arched refractory brick, the outer walls of the two sides of the back arch refractory brick 5 are provided with rock wool 6, so that a good heat preservation effect is ensured, the combustion chamber 73 is high-temperature resistant, and the combustion chamber is ensured not to be damaged after long-term use.

The split type indirect heat exchange hot-blast furnace of this embodiment is when using, at first install the device stably, throw into burning on the traveling grate stoker 1 of combustion apparatus 8 with fuel after that, produce in the flue gas gets into hot-blast storehouse 74, and then get into in the indirect heat exchange equipment 9 through connecting flue 91, the flue gas removes along the inner chamber of W shape in indirect heat exchange equipment 9, cold wind gets into the heat exchange tube from cold wind import 92, flue gas and cold wind reverse flow, make flue gas and cold wind carry out abundant heat exchange, heat cold wind, produce behind the hot-blast back and discharge from hot air outlet 93 and use.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a split type indirect heat transfer hot-blast furnace, includes furnace body (7), its characterized in that: the furnace is characterized in that a hot air bin (74) is arranged above the inside of the furnace body (7), a combustion bin (73) is arranged below the inside of the furnace body (7), combustion equipment (8) is arranged below the inside of the combustion bin (73), a chain grate (1) is arranged below the combustion equipment (8), aluminum silicate acupuncture blankets (4) are arranged on the top and the side portions of the hot air bin (74), heat exchange equipment (9) is arranged on the outer side of the hot air bin (74), the outer wall of one side of the hot air bin (74) is communicated with the heat exchange equipment (9) through a connecting flue (91), the inner cavity of the heat exchange equipment (9) is of a W-shaped structure, a flue gas outlet (94) is formed in one end, far away from the furnace body (7), of the heat exchange equipment (9), a plurality of heat exchange tubes are arranged inside the heat exchange equipment (9), and a cold air inlet (92) and a hot air outlet (93) are respectively formed in two ends of the outer wall of one side of the heat exchange equipment (9), and the cold air inlet (92) and the hot air outlet (93) are respectively connected with two ends of the heat exchange tube.

2. The split type indirect heat exchange hot blast stove according to claim 1, characterized in that: the furnace body (7) is composed of a square steel structure.

3. The split type indirect heat exchange hot blast stove according to claim 1, characterized in that: and a foundation (72) is installed at the bottom of the furnace body (7).

4. The split type indirect heat exchange hot blast stove according to claim 1, characterized in that: lifting lugs (71) are arranged on two sides of the top of the furnace body (7).

5. The split type indirect heat exchange hot blast stove according to claim 1, characterized in that: the top of the combustion chamber (73) is provided with a smoke outlet (731).

6. The split type indirect heat exchange hot blast stove according to claim 1, characterized in that: and a valve is arranged on the connecting flue (91).

7. The split type indirect heat exchange hot blast stove according to claim 1, characterized in that: an arched furnace door (3) is arranged on the outer wall of one side of the combustion chamber (73).

8. The split type indirect heat exchange hot blast stove according to claim 1, characterized in that: the front and the back of the combustion bin (73) are respectively provided with a front arch refractory layer (2) and a back arch refractory brick (5), the top of the combustion bin (73) is also provided with an arched refractory brick, and rock wool (6) is arranged on the outer walls of two sides of the back arch refractory brick (5).