CN205783728U - A kind of energy-saving combustion unattended boiler - Google Patents

Abstract

The utility model discloses an energy-saving combustion automatic boiler, which comprises a flue gas dust collector, a serpentine heat exchange tube, a boiler body, a furnace, a heat absorption pipe and a preheating water tank. Composition, a sealed pre-heating water tank is formed between the heat-insulating outer shell and the heat-insulating inner shell, the bottom of the pre-heating water tank is connected to the cold water inlet pipe, the top of the pre-heating water tank is connected to the heat-absorbing pipe, the bottom of the heat-absorbing pipe is connected to the hot water outlet pipe, and the heat-preserving inner shell The inner side of the body is set as a furnace, and a fire grate is installed at the bottom of the furnace, and a hot air pipe is connected to the boiler body on the side of the fire grate. The utility model realizes the effective use of heat, saves fuel, improves the heating efficiency, fully burns the coal in the furnace, effectively filters the flue gas, realizes preheating of the air, makes full use of the heat in the flue gas, and improves the efficiency of the boiler. work efficiency.

Description

An energy-saving combustion automatic boiler

technical field

The utility model relates to the technical field of boilers, in particular to an energy-saving combustion automatic boiler.

Background technique

With the continuous development of my country's economy, boilers have become an important heat supply equipment in my country's economic development, and are widely used in electricity and machinery. Metallurgy, chemical industry. In the textile and papermaking, food, feed industry and civil heating or bathing, however, during the use of the existing boilers, the insulation effect of the boiler body is relatively poor, resulting in serious heat loss during the combustion process of the fuel, increasing production costs, and at the same time , because the air intake volume is not easy to adjust, resulting in insufficient combustion of coal, high CO concentration in the flue gas, resulting in waste of fuel, increased pollution to the environment, reduced the safety of boiler use, and the CO concentration in the flue gas The preheating is not fully utilized and directly discharged into the air, causing thermal pollution to the environment, and the effect of environmental protection and energy saving is poor.

Contents of the invention

The purpose of this utility model is to provide an energy-saving combustion automatic boiler to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

An energy-saving combustion automatic boiler, comprising a flue gas dust collector, a serpentine heat exchange tube, a boiler body, a furnace, a heat absorption pipe and a preheating water tank, the boiler body is composed of an outer heat-insulating shell and an inner heat-insulating shell, and the outer heat-insulating shell A sealed preheating water tank is formed between the heat preservation inner shell, the bottom of the preheating water tank is connected to the cold water inlet pipe, the top of the preheating water tank is connected to the heat absorption pipe, and the bottom of the heat absorption pipe is connected to the hot water outlet pipe, and the inside of the heat preservation inner shell is set as a furnace , a grate is installed at the bottom of the furnace, the boiler body on the upper side of the grate is provided with a coal filling port, the boiler body on the lower side of the grate is provided with a slagging port, and the boiler body on the side of the grate is connected with a hot air pipe. The air pipe is connected to the serpentine heat exchange tube. The serpentine heat exchange tube is installed in the flue gas dust collector. The other end of the serpentine heat exchange tube is connected to the blower. The bottom side is connected with the exhaust machine, and the exhaust machine is connected with the chimney.

As a further solution of the utility model: the heat-absorbing pipes are fixed on the inner wall of the heat-insulating inner shell, and the heat-absorbing pipes are distributed in a serpentine shape.

As a further solution of the utility model: a temperature sensor is installed on the hot water outlet pipe, and the temperature sensor is electrically connected to a microcomputer control device.

As a further solution of the utility model: an air intake solenoid valve is installed on the hot air pipe, and the air intake solenoid valve is electrically connected to a microcomputer control device.

As a further solution of the utility model: the flue gas outlet pipe communicates with the top of the furnace.

As a further solution of the utility model: a CO sensor is installed on the flue gas outlet pipe, and the CO sensor is electrically connected to a microcomputer control device.

Compared with the prior art, the utility model has the beneficial effects that: the energy-saving combustion automatic boiler has reasonable structural design, convenient operation and control, realizes effective utilization of heat, reduces heat loss of the boiler body, saves energy, saves Fuel, which improves the heating efficiency, realizes the adjustment of the intake air volume, makes the coal in the furnace fully burnt, energy saving and environmental protection, effectively filters the flue gas, realizes preheating of the air, makes full use of the heat in the flue gas, and saves energy. energy, reduce costs, and improve boiler efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1- smoke exhaust machine, 2- flue gas dust collector, 3- serpentine heat exchange tube, 4- intake solenoid valve, 5- hot air pipe, 6- boiler body, 7- coal filling port, 8- Furnace, 9-slag discharge port, 10-fire grate, 11-microcomputer control device, 12-cold water inlet pipe, 13-hot water outlet pipe, 14-temperature sensor, 15-heat absorption pipe, 16-insulation shell, 17 -Preheating water tank, 18-insulation inner shell, 19-CO sensor, 20-flue gas outlet pipe, 21-blower, 22-chimney.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, in an embodiment of the utility model, an energy-saving combustion automatic boiler includes a flue gas dust collector 2, a serpentine heat exchange tube 3, a boiler body 6, a furnace 8, a heat absorption pipe 15 and a preheating water tank 17, The boiler body 6 is composed of a thermal insulation outer shell 16 and a thermal insulation inner shell 18. The thermal insulation inner shell 18 is sleeved in the thermal insulation outer shell 16, and a sealed preheating water tank is formed between the thermal insulation outer shell 16 and the thermal insulation inner shell 18. 17. The bottom of the preheating water tank 17 is connected to the cold water inlet pipe 12, and the top of the preheating water tank 17 is connected to the heat absorption pipe 15. The heat absorption pipe 15 is fixed on the inner wall of the heat preservation inner shell 18. The bottom of 15 communicates with the hot water outlet pipe 13, the hot water outlet pipe 13 is equipped with a temperature sensor 14, and the temperature sensor 14 is electrically connected to the microcomputer control device 11.

The inner side of the heat preservation inner shell 18 is set as a furnace 8, the bottom of the furnace 8 is equipped with a fire grate 10, the boiler body 6 on the upper side of the fire grate 10 is provided with a coal filling port 7, and the boiler body 6 on the lower side of the fire grate 10 is provided with a There is a slag discharge port 9, and a hot air pipe 5 is connected to the boiler body 6 on the side of the grate 10, and an air inlet solenoid valve 4 is installed on the hot air pipe 5, and the air inlet solenoid valve 4 is electrically connected to a microcomputer control device 11, and the hot air pipe 5 is connected to the serpentine heat exchange tube 3, which is installed in the flue gas dust collector 2, and the other end of the serpentine heat exchange tube 3 is connected to the blower 21.

The upper end of the flue gas dust collector 2 is connected to the boiler body 6 through the flue gas outlet pipe 20, the flue gas outlet pipe 20 communicates with the top of the furnace 8, and a CO sensor 19 is installed on the flue gas outlet pipe 20, and the CO sensor 19 is electrically connected to the microcomputer control device 11. The bottom side of the flue gas dust collector 2 is connected to the smoke exhauster 1, and the smoke exhauster 1 is connected to the chimney 22.

During use, add coal in the furnace 8 through the coal filling port 7, and start the blower 21 to blow air into the hot air pipe 5 furnace 8 through the serpentine heat exchange tube 3, so as to promote the full combustion of the coal, and the heat produced by the combustion is the same as that of the furnace. The heat-absorbing pipe 15 exchanges heat so that the water in the preheating water tank 17 enters the heat-absorbing pipe 15 to be heated and then is discharged from the hot water outlet pipe 13. Enter the water in the preheating water tank 17 to preheat, realize the effective utilization of heat, reduce the heat loss of the boiler body 6, and save energy. The temperature sensor 14 installed on the hot water outlet pipe 13 can detect the temperature signal of the water and send the temperature signal Passed to the computer control device 11, it is convenient for the computer control device 11 to control the amount of coal added to the coal filling port 7, which can ensure constant water temperature in the hot water outlet pipe 13, save energy, save fuel, and improve heating efficiency.

During use, the flue gas generated by combustion is discharged into the flue gas dust collector 2 through the flue gas outlet pipe 20 at the top of the furnace 8, and the flue gas dust collector 2 is discharged from the chimney 22 after filtering the dust, and the CO sensor 19 in the flue gas dust collector 2 detects The concentration of CO in the flue gas, and the signal is transmitted to the computer control device 11, which is convenient for the computer control device 11 to adjust the air intake solenoid valve 4 on the hot air pipe 5, and realize the adjustment of the intake air volume, so that the combustion of coal in the furnace 8 Full combustion, energy saving and environmental protection; the heat exchange between the serpentine heat exchange tube 3 and the flue gas in the flue gas dust collector 2 realizes the preheating of the air, so that the heat in the flue gas can be fully utilized, saving energy, reducing costs, and improving the efficiency of the boiler. work efficiency.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. null1. an energy-saving combustion unattended boiler，Including smoke duster、Snakelike heat exchange tube、Boiler body、Burner hearth、Heat-absorbing water pipe and preheating water tank，It is characterized in that，Described boiler body is made up of lagging casing body and insulation inner housing，The preheating water tank of sealing is constituted between lagging casing body and insulation inner housing，Cold water inlet is connected bottom preheating water tank，Preheating water tank top connection heat-absorbing water pipe，Hot water outlet pipe is connected bottom heat-absorbing water pipe，It is set to burner hearth inside insulation inner housing，Burner hearth bottom is provided with fire grate，Coal feeding hole is offered on boiler body on the upside of fire grate，Slag-drip opening is offered on boiler body on the downside of fire grate，Connect on the boiler body of fire grate side and have warm-air pipe，Warm-air pipe connection snakelike heat exchange tube，Snakelike heat exchange tube is arranged in smoke duster，The snakelike heat exchange tube other end connects aerator，Smoke duster upper end goes out pipe by flue gas and connects boiler body，Smoke duster bottom side connects induced-draft fan，Induced-draft fan connects chimney.
2. A kind of energy-saving combustion unattended boiler the most according to claim 1, it is characterised in that described heat-absorbing water pipe is fixed on insulation inner housing inwall, the serpentine-like distribution of heat-absorbing water pipe.
3. A kind of energy-saving combustion unattended boiler the most according to claim 1, it is characterised in that be provided with temperature sensor, temperature sensor electrical connection micro-computer controlling apparatus on described hot water outlet pipe.
4. A kind of energy-saving combustion unattended boiler the most according to claim 1, it is characterised in that be provided with air inlet electromagnetic valve, air inlet electromagnetic valve electrical connection micro-computer controlling apparatus on described warm-air pipe.
5. A kind of energy-saving combustion unattended boiler the most according to claim 1, it is characterised in that described flue gas goes out pipe and connects with roof of the furnace.
6. A kind of energy-saving combustion unattended boiler the most according to claim 1, it is characterised in that described flue gas goes out to be provided with on pipe CO sensor, CO sensor electrical connection micro-computer controlling apparatus.