CN202392833U - High-efficient energy-conservation coal-fired gasification furnace for cooking and heating - Google Patents

Abstract

The utility model belongs to the technical field of coal-fired cooking and heating furnaces, and discloses a high-efficiency and energy-saving coal-fired cooking and heating gasifier. Its main technical features are: it includes a furnace body, a furnace, an ash hopper cavity, a water jacket and a chimney. The water jacket has a water outlet and a water return port. A secondary combustion chamber is arranged above the furnace mouth, and a furnace surface with a second furnace mouth is arranged above the secondary combustion chamber. The secondary combustion chamber communicates with the chimney, and the first furnace The periphery of the mouth is provided with a first annular water jacket communicating with the water jacket, a gasifier with air guide holes is arranged above the first furnace mouth, a cover plate is arranged above the gasifier, and the cover The plate and the upper surface of the first annular water jacket form the air channel through which the air guide hole communicates with the outside of the furnace body. The coal-fired gas located below the furnace is desulfurized at high temperature to produce gas such as carbon monoxide, which enters the secondary furnace through the first furnace mouth. The combustion chamber supplements oxygen in the secondary combustion chamber to make the combustion more complete and achieve the effects of high efficiency, energy saving and emission reduction.

Description

High-efficiency and energy-saving coal-fired cooking and heating gasifier

technical field

The utility model belongs to the technical field of coal-fired cooking and heating furnaces, in particular to a high-efficiency and energy-saving coal-fired cooking and heating gasifier.

Background technique

At present, in the suburbs or rural areas with less developed economies, most of the ordinary coal-fired stoves are used for heating and cooking. In the air, it not only causes serious air pollution, but also has low energy utilization efficiency. When heating, the heat conduction efficiency of the water jacket is low, and the heat cannot be well utilized, and some heat is not well utilized and disappears directly into the air.

Utility model content

The technical problem solved by the utility model is to provide a kind of cooking machine with sufficient combustion, high effective utilization rate of heat, fast cooking speed, energy saving, environmental protection, corrosion resistance, wear resistance, good erosion resistance, light weight, less power loss of useless work, and convenient transportation and installation. High-efficiency and energy-saving coal-fired cooking and heating gasifier.

In order to solve the above-mentioned technical problems, the technical solution proposed by the utility model is: including a furnace body, a furnace, an ash hopper cavity, a water jacket and a chimney, the water jacket has a water outlet and a water return port, and a The first furnace port, a secondary combustion chamber is arranged above the first furnace port, and a furnace surface with a second furnace port is arranged above the secondary combustion chamber, and the secondary combustion chamber and the described secondary combustion chamber The chimneys communicate, and a first annular water jacket communicating with the water jacket is arranged around the first furnace mouth, and a gasifier with air guide holes is arranged above the first furnace mouth. A cover plate is arranged above, and the cover plate and the upper surface of the first annular water jacket form an air passage through which the air guide hole communicates with the outside of the furnace body.

Its additional technical features are:

A refractory material layer is provided outside the furnace, a furnace oxygen distribution chamber opening to the ash hopper chamber is provided between the refractory material layer and the water jacket, and a furnace oxygen distribution chamber is provided inside the furnace oxygen distribution chamber. Furnace oxygen distribution hole;

The furnace surface is a second annular water jacket communicating with the water jacket;

A gasifier with gasification holes is arranged on the second furnace mouth;

A water heating pipe communicating with the water jacket is arranged in the secondary combustion chamber and the chimney;

A medium superconductor with one end extending into the chimney and the other end extending into the water jacket is arranged in the chimney;

An anti-riot device is arranged on the water jacket.

Compared with the prior art, the high-efficiency and energy-saving coal-fired cooking and heating gasification furnace provided by the utility model has the following advantages: First, because it includes a furnace body, a furnace, an ash bucket cavity, a water jacket and a chimney, the water jacket has a The water outlet and the water return port are provided with a first furnace port above the furnace, a secondary combustion chamber is provided above the first furnace port, and a furnace with a second furnace port is provided above the secondary combustion chamber. On the surface, the secondary combustion chamber communicates with the chimney, a first annular water jacket communicating with the water jacket is provided around the first furnace mouth, and a The gasifier of the gas guide hole is provided with a cover plate above the gasifier, and the cover plate and the upper surface of the first annular water jacket form an air passage through which the air guide hole communicates with the outside of the furnace body, and is located in the furnace The coal at the bottom is desulfurized at high temperature to produce gas such as carbon monoxide. The hot gas enters the secondary combustion chamber through the first furnace mouth, and the air enters the secondary combustion chamber through the air guide hole on the gasifier. The gas is fully mixed to make the combustion more complete, and a first annular water jacket connected to the water jacket is arranged around the first furnace mouth, which further increases the temperature of the water in the water jacket; A refractory material layer is provided outside the furnace, a furnace oxygen distribution chamber opening to the ash hopper chamber is provided between the refractory material layer and the water jacket, and a furnace distribution chamber is provided inside the furnace oxygen distribution chamber. Oxygen hole, the carbon monoxide produced by desulfurization at the bottom of the furnace when coal is burned is supplemented with oxygen through the furnace oxygen distribution hole in the furnace, so that the gas such as carbon monoxide is burned once in the upper half of the furnace, and the combustion is more complete; third, because the furnace The surface is the second annular water jacket communicated with the water jacket, which further increases the temperature in the water jacket; Fourth, since a gasification pot with gasification holes is arranged on the second furnace mouth, the first After the furnace mouth is supplemented with oxygen through the gasifier, when it encounters a high-temperature gasification pot, the gas enters the secondary combustion chamber through the gasification holes around the gasification pot. After the lid of the gasification pot is put on, the fireworks follow the lid of the gasification pot, so as to achieve indoor cleanliness and sanitation; fifthly, because a water heating pipe connected with the water jacket is arranged in the secondary combustion chamber and the chimney, further improving The utilization rate of thermal energy is improved, and the waste of thermal energy is reduced; Sixth, since a medium superconducting conduit with one end extending into the chimney and the other end extending into the water jacket is provided in the chimney, the heat of the flue gas posed from the chimney is further utilized ; Its seven, owing to be provided with anti-riot device on described water jacket, have prevented water jacket from producing explosion because of excessive pressure.

Description of drawings

Fig. 1 is the structural representation of the utility model high-efficiency energy-saving coal-fired cooking heating gasification furnace;

Figure 2 is a schematic diagram of the structure of the gasifier.

Detailed ways

The structure of the high-efficiency and energy-saving coal-fired cooking heating gasifier proposed by the utility model will be further described below in conjunction with the accompanying drawings.

As shown in Fig. 1 and Fig. 2, it is a structural schematic diagram of a high-efficiency energy-saving coal-fired cooking heating gasifier of the present invention, and its structure includes a furnace body 1, a furnace 2, an ash hopper chamber 3, a water jacket 4 and a chimney 5, and a water jacket 4 There is a water outlet 41 and a water return port 42 on the top, a first furnace mouth 6 is arranged above the furnace 2, a secondary combustion chamber 7 is arranged above the first furnace mouth 6, and a belt with There is a furnace surface 9 of the second furnace mouth 8, the secondary combustion chamber 7 communicates with the chimney 5, and a first annular water jacket 10 is arranged around the first furnace mouth 6, and the first annular water jacket 10 communicates with the water jacket 4. A gasifier 12 with an air guide hole 11 is arranged above the first furnace mouth 6, and a cover plate 13 is arranged above the gasifier 12, and the cover plate 13 and the upper surface of the first annular water jacket 10 form a ventilation channel 14 , the air duct 14 communicates the air guide hole 11 with the outside of the furnace body 1 . In this way, the coal under the furnace 2 is desulfurized at high temperature to produce gas such as carbon monoxide. The hot gas enters the secondary combustion chamber 7 through the first furnace mouth 6, and the air enters the secondary combustion through the air guide hole 11 on the gasifier 12. chamber 7, fully mixed with the gas entering the secondary combustion chamber 7, so that the combustion is more complete, and a first annular water jacket 10 communicating with the water jacket 4 is provided around the first furnace mouth 6, which further improves the water jacket 4 The temperature of the water.

A refractory material layer 15 is arranged on the outside of the furnace 2, and a furnace oxygen distribution chamber 16 is arranged between the refractory material layer 15 and the water jacket 4. The inner side of the furnace is provided with a furnace oxygen distribution hole 17 extending into the furnace 2, and the carbon monoxide produced by desulfurization during the combustion of coal at the bottom of the furnace 2 replenishes oxygen in the furnace through the furnace oxygen distribution hole 17, so that the gas such as carbon monoxide is in the upper half of the furnace. The part is burned once, and the combustion is more complete.

The furnace surface 9 is a second annular water jacket 18 communicating with the water jacket 4, which further increases the temperature in the water jacket 4.

A gasification pot 19 is provided on the second furnace mouth 8, and a gasification hole 20 is provided on the gasification pot 19. After the gas passes through the gasifier at the first furnace mouth 6 to supplement oxygen, it encounters a high-temperature gasification When the boiler is used, it enters the secondary combustion chamber 7 through the gasification hole 20 around the gasification pot 19. After the gasification pot lid is opened, the pyrotechnics are sucked downward, and after the gasification pot lid is closed, the pyrotechnics follow the gasification pot To achieve indoor clean sanitation effect.

A water heating pipe 21 communicating with the water jacket 4 is arranged in the secondary combustion chamber 7 and the chimney 5, which further improves the utilization rate of heat energy and reduces waste of heat energy.

In the chimney 5, a medium superconductor 22 with one end extending into the chimney and the other end extending into the water jacket 4 is arranged, so that the heat of the flue gas from the chimney 5 can be further utilized.

An anti-riot device 23 is arranged on the water jacket 4 to prevent the water jacket 4 from exploding due to excessive pressure.

Claims (7)

1. the efficient energy-saving coal-firing warm gasification furnace of cooking a meal; Comprise body of heater, burner hearth, ash bucket chamber, water jacket and chimney; Have delivery port and water return outlet on the said water jacket, above said burner hearth, be provided with first fire door, above said first fire door, be provided with secondary combustion chamber; Above secondary combustion chamber, be provided with the boiler face that has second fire door; Described secondary combustion chamber communicates with described chimney, it is characterized in that: the periphery at said first fire door is provided with first ring-shaped water jacket that is communicated with said water jacket, above first fire door, is provided with the gasifier that has gas port; Above said gasifier, be provided with cover plate, said cover plate forms the ventilating duct that described gas port is communicated with the body of heater outside with the said first ring-shaped water jacket upper surface.

2. the efficient energy-saving coal-firing according to claim 1 warm gasification furnace of cooking a meal; It is characterized in that: refractory masses is arranged in said burner hearth arranged outside; Between said refractory masses and said water jacket, be provided with the burner hearth that is opened on said ash bucket chamber and join the oxygen chamber, join inboard, oxygen chamber at described burner hearth and be provided with the burner hearth oxygen-distributing hole.

3. the efficient energy-saving coal-firing according to claim 1 warm gasification furnace of cooking a meal is characterized in that: second ring-shaped water jacket of said boiler face for being communicated with said water jacket.

4. the efficient energy-saving coal-firing according to claim 1 warm gasification furnace of cooking a meal, it is characterized in that: said second fire door is provided with the gasification pot that has the hole of gasifying.

5. the efficient energy-saving coal-firing according to claim 1 warm gasification furnace of cooking a meal is characterized in that: in said secondary combustion chamber and chimney, be provided with the pipe of heating up water that is communicated with said water jacket.

6. the efficient energy-saving coal-firing according to claim 1 warm gasification furnace of cooking a meal is characterized in that: be provided with in said chimney that an end stretches into chimney and the other end stretches into the medium superconducting pipe of water jacket.

7. the efficient energy-saving coal-firing according to claim 1 warm gasification furnace of cooking a meal, it is characterized in that: said water jacket is provided with antiriot device.

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