WO2019195986A1

WO2019195986A1 - Graded-preheating energy-saving and environment-protective hot-water boiler

Info

Publication number: WO2019195986A1
Application number: PCT/CN2018/082402
Authority: WO
Inventors: 龚金凤
Original assignee: 龚金凤
Priority date: 2018-04-09
Filing date: 2018-04-09
Publication date: 2019-10-17

Abstract

Provided is a graded-preheating energy-saving and environment-protective hot-water boiler. The boiler comprises a boiler body (1), wherein a first working chamber (2) and a second working chamber (3) are provided in the boiler body (1); a fire grate (5) is provided in the first working chamber (2); the first working chamber (2) is divided into a combustion room (7) and a slag room (8) by the fire grate (5); a top wall of the combustion room (7) is provided with a hot water tank (10); a smoke exhaust pore channel (11) is arranged in the hot water tank (10); one side wall of the combustion room (7) is provided with a filling hole (13); a smoke exhaust chimney (4) is in through-connection to the top of the second working chamber (3); preheating pipes (20) are provided in an inner wall of the smoke exhaust chimney (4); side walls of the second working chamber (3) are provided with an oil nozzle (15) and a gas nozzle (17); a water outlet end of each of the preheating pipes (20) is in through-connection to the top of a preheating hot water tank (19) by a first connecting pipe (22); and the bottom of one side wall of the preheating hot water tank (19) is in through-connection to the top of the hot water tank (10) by a second connecting pipe (24). The hot water tank (10), preheating hot water tank (19) and preheating pipe (20) which are provided are distributed in a spatially hierarchical manner, so that energy generated from fuel combustion can be used fully, the utilization rate of heat is maximized, a lot of energy sources are saved on, part of harmful gases can be combusted, and contamination can be reduced.

Description

Graded preheating energy-saving and environment-friendly hot water boiler

Technical field

The utility model relates to the technical field of a hot water boiler, in particular to a hierarchical preheating energy-saving and environment-friendly hot water boiler.

Background technique

The boiler is an energy conversion device. The energy input to the boiler is chemical energy and electric energy in the fuel. The boiler outputs steam with a certain heat energy, high temperature water or organic heat carrier. The hot water or steam generated in the boiler can directly supply the required heat energy for industrial production and people's life. It can also be converted into mechanical energy by steam power plant, or converted into electrical energy by a generator.

The heating device that supplies hot water is called a hot water boiler, and is mainly used for living, and there are also a small number of applications in industrial production. The high temperature of the combustion in the furnace directly discharges the high-temperature smoke into the atmosphere, and some of the fuel is directly burned into the atmosphere, causing excessive discharge of the pollutants, serious air pollution, and high heat of the high-temperature smoke. It is easy to cause thermal pollution in the air.

Utility model content

The purpose of the utility model is to provide a step-by-step preheating energy-saving and environment-friendly hot water boiler to solve the problems raised in the above background art.

To achieve the above object, the present invention provides the following technical solutions:

A grading preheating energy-saving and environment-friendly hot water boiler comprises a furnace body, wherein a first working chamber and a second working chamber are arranged in the furnace body, and the first working chamber is connected to the lower side of the second working chamber through the communication hole, the first work The grate is arranged in the cavity, and the grate is uniformly provided with a plurality of slag holes, and the grate partitions the first working chamber into a combustion chamber and a slag chamber, the slag chamber is disposed below the combustion chamber, and a sidewall of the slag chamber is disposed There is a slag discharge hole, a hot water tank is arranged on the top wall of the combustion chamber, and a exhaust pipe is arranged in the hot water tank. The bottom end of one side wall of the hot water tank is connected to the drain pipe, and the top end of the exhaust gas passage is connected through the connection hole. A sidewall of the combustion chamber is provided with a packing hole, and a sealing cover is arranged on the filling hole; a top end of the second working chamber is connected through the exhaust pipe, and an inner wall of the exhaust pipe is provided with a preheating pipe, and the water inlet end of the preheating pipe is connected to the water supply a preheating water tank is arranged at the bottom of the second working chamber. The structure of the preheating water tank is the same as that of the hot water tank. The inner hole of the preheating water tank is connected with the exhaust pipe, and the side wall of the second working chamber is provided with fuel injection. Mouth and air nozzle, the nozzle is fixed on the left side wall of the working chamber, spray The nozzle is connected to the oil supply pipe, the air nozzle is fixed on the right side wall of the working chamber, and the air nozzle is connected to the air supply pipe. The water outlet end of the preheating pipe is connected through the first connecting pipe to the top end of the preheating hot water tank, and the heat is preheated. The bottom end of one side wall of the water tank is connected to the top end of the hot water tank through the second connecting pipe.

As a further technical solution of the present invention, a third control valve is disposed on the drain pipe.

As a further technical solution of the present invention, the exhaust passage is a structural design with a small top end and a large bottom end.

As a further technical solution of the present invention, the preheating tube is a spiral structure design.

As a further technical solution of the present invention, the first connecting pipe is provided with a first control valve.

As a further technical solution of the present invention, the second connecting pipe is provided with a second control valve.

Compared with the prior art, the hot water tank, the preheating hot water tank and the preheating tube provided by the utility model are spatially distributed in layers, which can fully utilize the heat of fuel combustion, thereby maximizing heat utilization and saving a large amount of Energy, and can burn some harmful gases and reduce pollution.

DRAWINGS

1 is a schematic structural view of a hierarchical preheating energy-saving and environment-friendly hot water boiler according to the present invention;

2 is a schematic structural view of a top view of a hierarchical preheating energy-saving and environment-friendly hot water boiler according to the present invention.

In the picture: 1-furnace body, 2-first working chamber, 3-second working chamber, 4-exhaust chimney, 5-furnace, 6-slag hole, 7-combustion chamber, 8-slag chamber, 9- Slag discharge hole, 10-hot water tank, 11-exhaust smoke tunnel, 12-compass hole, 13-filler hole, 14-seal cover, 15-injector, 16-supply pipe, 17-air nozzle, 18- Air supply pipe, 19-preheating hot water tank, 20-preheating pipe, 21-water supply pipe, 22-first connecting pipe, 23-first control valve, 24-second connecting pipe, 25-second control valve, 26-Drainage pipe.

detailed description

The technical solutions of the present patent are further described in detail below in conjunction with specific embodiments.

1 to 2, a hierarchical preheating energy-saving and environmentally-friendly hot water boiler includes a furnace body 1 in which a first working chamber 2 and a second working chamber 3 are disposed, the first working chamber 2 is connected to the lower side of the second working chamber 3 through the communication hole 12, and the first working chamber 2 is provided with a grate 5, wherein the grate 5 is uniformly provided with a plurality of slag holes 6 and the grate 5 is first The working chamber 2 is divided into a combustion chamber 7 and a slag chamber 8, the slag chamber 8 is disposed below the combustion chamber 7, and a side wall of the slag chamber 8 is provided with a slag discharge hole 9, and a top wall of the combustion chamber 7 is provided a hot water tank 10, wherein the hot water tank 10 is provided with a smoke exhausting passage 11, a bottom end of a side wall of the hot water tank 10 is connected to the drain pipe 26, and the drain pipe 26 is provided with a third control valve, The exhaust passage 11 has a structural design with a small top end and a large bottom end. The top end of the exhaust passage 11 is connected to the communication hole 12, and a side wall of the combustion chamber 7 is provided with a filler hole 13 on which the filler hole 13 is provided. a sealing cover 14; a top end of the second working chamber 3 is connected to the exhaust pipe 4, and an inner wall of the exhaust pipe 4 is provided with a preheating pipe 20, and the preheating pipe 20 is a spiral structure design, and the preheating pipe 20 The water inlet end is connected to the water supply pipe 21, and the bottom of the second working chamber 3 is provided with a preheating water tank 19, the structure of the preheating water tank 19 is the same as that of the hot water tank 10, and the inner hole of the preheating water tank 19 Connected to the exhaust pipe 4, the side wall of the second working chamber 3 is provided with a fuel injector 15 and an air nozzle 17, the fuel nozzle 15 is fixed to the left side wall of the working chamber 3, and the fuel injector 15 is connected through The oil supply pipe 16 is fixed to the right side wall of the working chamber 3, and the air nozzle 17 is connected to the air supply pipe 18. The water outlet end of the preheating pipe 20 is connected through the first connecting pipe 22 to preheat heat. a first control valve 23 is disposed on the top end of the water tank 19. The bottom end of one side wall of the preheating hot water tank 19 is connected to the top end of the hot water tank 10 through the second connecting pipe 24. The second connecting pipe 24 is provided with a second control valve 25.

When the utility model is used, the fuel is burned into the combustion chamber 7 through the filler hole 13, and the water in the hot water tank 10 can be heated, and the fuel gas and the partially combustible polluting gas which are not completely burned enter the second chamber 3, Mixing with the oil mist, performing secondary combustion, and heating the preheating hot water tank 19, the heated water is hydrating the hot water tank 10, so that the water in the hot water tank can be quickly heated to meet the required temperature, and the temperature is lowered. Energy consumption, completely and then the gas is discharged through the exhaust pipe 4, the high temperature gas heats the water in the preheating pipe 20, and the water in the preheating pipe 20 enters the preheating hot water tank 19 for secondary preheating, and the fuel is used in the ladder. The heat generated by combustion maximizes heat utilization, saves a lot of energy, and can burn some harmful gases and reduce pollution.

The preferred embodiments of the present invention have been described in detail above, but the present patent is not limited to the above embodiments, and various modifications may be made without departing from the scope of the patents of the present invention. Kind of change.

Claims

A grading preheating energy-saving and environment-friendly hot water boiler is characterized in that the utility model comprises a furnace body, wherein the furnace body is provided with a first working chamber and a second working chamber, and the first working chamber is connected through the communication hole to be connected below the second working chamber a grate is arranged in the first working chamber, and a plurality of slag holes are uniformly arranged on the grate, and the grate separates the first working chamber into a combustion chamber and a slag chamber, and the slag chamber is disposed below the combustion chamber, and the slag chamber is A sidewall is provided with a slag discharge hole, a hot water tank is arranged on the top wall of the combustion chamber, and a smoke exhausting passage is arranged in the hot water tank, and a bottom end of one side wall of the hot water tank is connected to the drain pipe, and the top end of the exhaust gas passage is penetrated A connecting hole is connected, a side wall of the combustion chamber is provided with a packing hole, and a sealing cover is arranged on the filling hole; a top end of the second working chamber is connected through the exhaust pipe, and an inner wall of the exhaust pipe is provided with a preheating pipe, and the water of the preheating pipe is The end of the second working chamber is provided with a preheating water tank. The structure of the preheating water tank is the same as that of the hot water tank. The inner hole of the preheating water tank is connected with the exhaust pipe, and the side wall of the second working chamber With injector and air nozzle, the injector is fixed in the working chamber The left side wall, the fuel nozzle is connected to the oil supply pipe, the air nozzle is fixed on the right side wall of the working cavity, the air nozzle is connected to the air supply pipe, and the water outlet end of the preheating pipe is connected through the first connecting pipe to the preheating hot water tank. At the top end, the bottom end of one side wall of the preheating hot water tank is connected to the top end of the hot water tank through the second connecting pipe.
The hierarchical preheating energy-saving and environment-friendly hot water boiler according to claim 1, wherein the drain pipe is provided with a third control valve.
The hierarchical preheating energy-saving and environment-friendly hot water boiler according to claim 1, wherein the exhaust passage is a structural design with a small top end and a large bottom end.
The hierarchical preheating energy-saving environment-friendly hot water boiler according to claim 1, wherein the preheating pipe is a spiral structure design.
The hierarchical preheating energy-saving environment-friendly hot water boiler according to claim 1, wherein the first connecting pipe is provided with a first control valve.
The hierarchical preheating energy-saving environment-friendly hot water boiler according to claim 1, wherein the second connecting pipe is provided with a second control valve.