CN208253539U - UTILIZATION OF VESIDUAL HEAT IN steam boiler - Google Patents

Abstract

The utility model discloses a kind of UTILIZATION OF VESIDUAL HEAT IN steam boilers, it solves the problems, such as that existing steam boiler heat waste is serious.The utility model includes having the pedestal of combustion chamber and above pedestal with the column boiler body of accommodating chamber, columned flue is provided in the accommodating chamber, the lower end of the flue is connected to form smoke inlet with combustion chamber, the upper end of the flue is in communication with the outside to form outlet flue, and the gap between the flue and boiler body outer wall forms cricoid water storage cavity.The utility model is made water storage cavity surround flue, contacts water storage cavity with the high-temperature flue gas in flue, can make full use of the heat in flue high temperature flue gas, improve the capacity usage ratio of steam boiler by built-in chimney flue.

Description

UTILIZATION OF VESIDUAL HEAT IN steam boiler

Technical field

The utility model relates to technical field of energy saving and environmental protection, and in particular to a kind of boiler is steamed specifically for a kind of UTILIZATION OF VESIDUAL HEAT IN Boiler furnace.

Background technique

In existing production and living, waste heat boiler is the energy-conserving product widelyd popularize in recent years, and wherein waste heat boiler refers to benefit The boiler for burning the exhaust gas of generation with fuel to heat medium.But waste heat boiler inner straight in the prior art is set It sets, secondary heat sink is not set in boiler internal, cause fuel to burn the exhaust gas generated and directly rise and along boiler smoke Chimney discharge, so that directly distributing the waste for causing mass energy to the external world in exhaust gas there are amount of heat.

Utility model content

It is high that the purpose of this utility model is to provide a kind of heat exchanger effectiveness, can be reduced the waste heat benefit of the energy largely wasted Use steam boiler.

The purpose of this utility model can be realized by the following technical scheme:

A kind of UTILIZATION OF VESIDUAL HEAT IN steam boiler has the column of accommodating chamber including the pedestal with combustion chamber and above pedestal Shape boiler body is provided with columned flue in the accommodating chamber, and the lower end of the flue is connected to be formed into cigarette with combustion chamber Mouthful, the upper end of the flue is in communication with the outside to form outlet flue, and the gap between the flue and boiler body outer wall forms ring The water storage cavity of shape.

Preferably, the flue and boiler body are coaxially disposed.

Preferably, being provided with several smoke pipes in the flue, the smoke pipe is screwed pipe.

Preferably, being provided with anticorrosion antiwear layer between the boiler body and pedestal.

Preferably, being provided with evaporation partition in the water storage cavity, evaporation apertures, the steaming are evenly equipped on the evaporation partition It sends out partition and water storage cavity is divided into upper chamber and lower chambers, wherein lower chambers are used for water storage, and upper chamber is for accommodating high temperature steaming Vapour.

Preferably, being provided with water level gauge assembly on the boiler body, the water level gauge assembly includes on two Under spaced water-level gauge seat and the water-level gauge seat supports being arranged between two water-level gauge seats.

Preferably, being provided with arch cigarette butt above the boiler body, the arch cigarette butt docks the outlet flue.

Preferably, the lower end of the boiler body is provided with sewage pipe, the sewage pipe is connected to water storage cavity bottom.

Preferably, side offers inspection head bore above the boiler body, the inspection head bore is for observing epicoele Indoor steam condition.

Preferably, being provided with pressure gauge above the boiler body.

Compared with prior art, the utility model has following technological merit:

The inside of boiler body is arranged in the flue of the utility model, and is surrounded by the water storage cavity of annular, in water storage cavity Water and flue contact area it is big, be conducive to high-temperature flue gas in the water and flue in water storage cavity and carry out heat exchange, sufficiently benefit The water in water storage cavity is heated with the heat in high-temperature flue gas.Multiple smoke pipes are provided in flue, smoke pipe uses helix tube, Flow path length of the flue gas in helix tube, increases flow path of the flue gas in flue and can increase high-temperature flue gas and connect with water in water storage cavity The time is touched, to make full use of the waste heat in high-temperature flue gas.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the sectional view evaporated at partition in the utility model.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As depicted in figs. 1 and 2, the utility model provides a kind of UTILIZATION OF VESIDUAL HEAT IN steam boiler, for improving steam boiler The utilization rate of heat in the high-temperature flue gas that utilization rate of waste heat, especially steam boiler generate.The utility model includes having burning The pedestal 11 of chamber and on pedestal 11 with accommodating chamber column boiler body 6, steam boiler at work, in combustion chamber It is put into fuel, the water in 6 accommodating chamber of boiler body is heated by fuel, steam is generated and is utilized.

Specifically, be provided with cylindrical flue 5 in the accommodating chamber, the lower end of flue 5 be connected to combustion chamber to be formed into Mouth, the upper end of flue 5 are in communication with the outside to form outlet flue, and the gap between 6 outer wall of flue 5 and boiler body forms cricoid Water storage cavity 14.The flue gas generated after the fuel combustion of combustion chamber is discharged after being flowed from bottom to top by flue 5, columned flue 5 Periphery is water storage cavity 14, that is to say, that in steam boiler work, flue gas is in rising discharge process, by the water in water storage cavity 14 It is surrounded, so that the water in water storage cavity 14 is contacted with flue 5 in this way, increase water in high-temperature flue gas and water storage cavity 14 Heat exchange, by the heat transfer in high-temperature flue gas to waterborne, so that the heat in high-temperature flue gas be made to obtain certain utilization.

Further, in order to guarantee that the water thermally equivalent on water storage cavity 14, flue 5 and boiler body 6 are coaxially disposed, in this way Being arranged is advantageous in that the enough equal heats for receiving high-temperature flue gas in flue 5 of the water energy of each point in cricoid water storage cavity 14, Increase the efficiency of heat transmitting.

Further, the smoke pipe 16 in flue 5 is multiple, and multiple smoke pipes 16 carry out flow of flue gas, can reduce flue gas and exists Because rolling caused by air-flow variation in uphill process, so that the rising discharge of flue gas is more steady, be conducive in smoke pipe 16 in this way High-temperature flue gas and water storage cavity 14 in water carry out heat exchange.In addition, smoke pipe 16 uses screwed pipe in the utility model, compare With straight tube, under equal length, flue gas covers entire pipeline, and flow path of the flue gas in screwed pipe is longer, is conducive to so sufficiently Utilize the waste heat in high-temperature flue gas.

For the utility model compared to the steam boiler with external flue 5, the maintenance of flue 5 is more difficult, steams to improve The service life of boiler furnace, the utility model are provided with anticorrosion antiwear layer, anticorrosion antiwear layer between boiler body 6 and pedestal 11 The spoilage that boiler internal can be effectively reduced improves the service life of steam boiler.

Further, it is provided with evaporation partition 7 in water storage cavity 14, is evenly equipped with evaporation apertures 15 on the evaporation partition 7, it is described It evaporates partition 7 and water storage cavity 14 is divided into upper chamber 12 and lower chambers 10, wherein lower chambers 10 are used for water storage, and upper chamber 12 uses In receiving high-temperature steam.The boiling liquid that boiling water boiling is splash in lower chambers 10 can be effectively blocked by evaporating partition 7, to improve The quality of steam.

Further, be provided with water level gauge assembly on boiler body 6, the water level gauge assembly include two between the upper and lower Water-level gauge seat 3 every setting and the water-level gauge seat supports 4 that are arranged between two water-level gauge seats 3.It can by water level gauge assembly To observe water level conditions in steam boiler, facilitates people to add water into steam boiler in time, guarantee being continuously generated for steam.

Further, the top of boiler body 6 is provided with arch cigarette butt 1, and the arch cigarette butt 1 docks the outlet flue. Flue gas is discharged into after crossing flue 5 by arch cigarette butt 1, and arch cigarette butt 1 has a convergence effect to flue gas, and aspect staff is to flue gas It is collected decontamination processing.

Further, the lower end of boiler body 6 is provided with sewage pipe 9, and the sewage pipe 9 is connected to 14 bottom of water storage cavity. Steam boiler after prolonged use, certain scale can be generated in steam boiler bottom, these scales are deposited on steam boiler Accumulation is simultaneously adhered in bottom, will greatly affect in the heat transfer to water storage cavity 14 of combustion chamber, can be determined by the way that sewage pipe 9 is arranged Phase clears up these scales, to improve the heat utilization efficiency of steam boiler.

Further, 6 top side of boiler body, which offers, checks head bore 13, and the inspection head bore 13 is for observing epicoele Steam condition in room 12.

Further, pressure gauge 2 is provided with above the boiler body 6, pressure gauge 2 is for intuitively reflecting in steam boiler Pressure condition, prevent the generation of safety accident.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of UTILIZATION OF VESIDUAL HEAT IN steam boiler has the column of accommodating chamber including the pedestal with combustion chamber and above pedestal Boiler body, which is characterized in that columned flue is provided in the accommodating chamber, the lower end of the flue is connected to combustion chamber Form smoke inlet, the upper end of the flue is in communication with the outside to form outlet flue, between the flue and boiler body outer wall between Gap forms cricoid water storage cavity.

2. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 1, which is characterized in that the flue is coaxially set with boiler body It sets.

3. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 1 or 2, which is characterized in that be provided in the flue several Smoke pipe, the smoke pipe are screwed pipe.

4. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 1, which is characterized in that set between the boiler body and pedestal It is equipped with anticorrosion antiwear layer.

5. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 1, which is characterized in that be provided in the water storage cavity evaporation every Plate is evenly equipped with evaporation apertures on the evaporation partition, and water storage cavity is divided into upper chamber and lower chambers by the evaporation partition, wherein Lower chambers are used for water storage, and upper chamber is for accommodating high-temperature steam.

6. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 1, which is characterized in that be provided with water level on the boiler body Gauge assembly, the water level gauge assembly include about two spaced water-level gauge seats and be arranged two water-level gauge seats it Between water-level gauge seat supports.

7. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 1, which is characterized in that be provided with above the boiler body Arch cigarette butt, the arch cigarette butt dock the outlet flue.

8. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 1, which is characterized in that the lower end of the boiler body is provided with Sewage pipe, the sewage pipe are connected to water storage cavity bottom.

9. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 5, which is characterized in that side opens up above the boiler body There is inspection head bore, the inspection head bore is for observing the indoor steam condition of epicoele.

10. UTILIZATION OF VESIDUAL HEAT IN steam boiler according to claim 1, which is characterized in that be provided with above the boiler body Pressure gauge.