CN2233543Y - High-efficiency pressureless tea boiler capable of burning inferior coal - Google Patents

Abstract

The utility model relates to a high-efficiency pressureless tea boiler capable of burning inferior coal, which is composed of an automatic water inlet tank, an automatic boiled water tank, a hot water tank, a base, a horizontal flue with a variable cross section, a vertical flue with a square cross section, a burning chamber, a fixed grate, a pipeline circulating system, an instrument system, a heat-insulating layer, a partition plate, etc., wherein, the burning chamber forms a waist drum and a rectangular pyramid table shape; the lateral wall of the burning chamber is composed of three successive lateral walls with different slope angles; a plurality of heat absorbing tubes are arranged in the vertical flue; the entire flue is dipped into the hot water tank. The tea boiler which can be used for burning water has broad adaptability, high thermal efficiency, convenient operation and safe utilization, and is especially suitable for burning water in areas with low thermal value and high ash coal.

Description

The efficient non-pressure drinking water boiler of energy burning inferior coal

The utility model relates to a kind of solid-fuelled drinking water boiler that uses, and particularly includes the fluid heater of heat-generating device.

Drinking water boiler commonly used at present is separately heating up water of stove one stove, and can not be continuously for boiling water, adding water needs a lot of times could boiled boiling water, this section period can not be supplied boiling water, need the people often to keep an eye on again, bring very big inconvenience to use, Chinese patent application number 88,203,587 1 kinds of efficient drinking water boilers provide a kind of automatic water inlet, can supply the drinking water boiler of boiling water continuously, Chinese patent application number 90217014.7 passenger trains provide a kind of through improved continuous water supply drinking water boiler again for the boiling water pressure-less boiler continuously, and above-mentioned two kinds of drinking water boilers will use than the fire coal of higher calorific value makes fuel, to low-calorie southern colm district, can't normally use, thereby promote the use of restricted greatly.

The purpose of this utility model provides a kind of energy-efficient nothing that can burn China's south colm of low heating value and presses household boiling-water boiler.

Task of the present utility model is realized by following mode: inlet water tank, boiler, boiled water tank, base, combustion chamber, flue, chimney, fire grate, steam pipe, overflow pipe, water inlet pipe, boiler advance the boiled water tank circulation conduit automatically, boiled water tank advances boiler circulation conduit, one way stop peturn valve etc. and forms.The combustion chamber is waist drum shape four skill frustum shapes, has the side that different inclination angle α 1, α 2, α 3 form by three, α 1 refers to the angle of bottom and outward-dipping side, α 2 points to the side of outer incline and the angle of the side that slopes inwardly, intilted sides and the upper part angle of side that slopes inwardly in the middle of α 3 refers to, α 1＜α 2＜α 3; Flue integral body is immersed in the boiler, taking over four by horizontal flue, vertical gas pass, endothermic tube and flue circular cone partly forms, the staggered endothermic tube that is horizontally installed with in the bottom in vertical road, the endothermic tube two ends are communicated with the boiler around the vertical gas pass, and the vertical gas pass bottom communicates with horizontal flue, top is taken over the flue circular cone and is connected, the suction opeing of termination combustion chamber before the horizontal flue, the rear end is equipped with shoot door, from front to back, sectional area changes from small to big, and fixed grate is housed at the bottom of the combustion chamber.The cross section of vertical gas pass is constant, and its cross sectional shape is square or rectangle or polygon.Endothermic tube has four to ten six roots of sensation.The horizontal flue cross section is that flat cuboid of variable cross-section or cross section are constant.Three inclination angle size α 1 of combustion chamber are that 100 °-hexagonal angle, α 2 are that 120 ° of-140 ° of angles, α 3 are 140 ° of-160 ° of angles.

This efficient drinking water boiler can add or the additional cold water that adds automatically, hot water without interruption and boiling water need not manually to keep an eye on and add water, also need not observe water level in the stove, water level remains at more than the safety level in the stove, thereby the sight glass pipe of rapid wear need not be set, combustion chamber and flue adopt unique texture, can utilize the heat of burning environment of inferior quality coal, so wide adaptability, thermal efficiency height, easy to operate, safe and reliable, energy savings.Be applicable to unit, groupuscule, school, the mine at water source.The drinking water boiler that boils water of public place, especially being applicable to the drinking water boiler that boils water in China south low heat value, ash coal district to making full use of coal resources in China, has positive role.

Fig. 1 the utility model structure front view

Fig. 2 is the A-A cutaway view of Fig. 1

Fig. 3 is the B-B cutaway view of Fig. 2

Below in conjunction with accompanying drawing the utility model is described in further detail: the utility model is by automatic inlet water tank 20, boiler 7, boiled water tank 6, base 14, the combustion chamber 11 of waist drum shape tetragonous cone table shape, stove face plate 9, heat-insulation layer 10, horizontal flue 26, vertical gas pass 24, the staggered horizontal endothermic tube of making at the seamless steel pipe of vertical gas pass bottom 28 of level, the flue circular cone takes over 23, blast regulator 2, chimney 1, shoot door 25, manhole inspection door 16, fixed grate 13, steam pipe 3, overflow pipe 21, thermometer communicating pipe 5, the water table 4 that wets, blowoff valve 15, water inlet pipe 18, boiler advances boiled water tank circulation conduit 8, boiled water tank advances boiler circulation conduit 19, one way stop peturn valve 22,27 compositions such as grade.

Whole drinking water boiler can be divided into several parts: automatic inlet water tank 20 and boiled water tank 6, boiler 7, base 14, fixed grate 13, pipeline circulation and instrument system, heat-insulation layer 10, flue and combustion chamber 11, boiled water tank 6 and boiler separate, and division board 12 is housed for this reason.

Combustion chamber 11 is waist drum shape tetragonous cone table shapes, its side walls is made up of the sidewall of three continuous differing tilt angles, α 1 is meant the angle of bottom and outward-dipping side, α 1=110 ° angle, α 2 is meant outward-dipping side and the angle of the side that slopes inwardly, α 2=130 ° angle, intilted side and the upper part angle of side that slopes inwardly in the middle of α 3 is meant, α 3=150 ° angle.Flue is whole to be immersed in the boiler 7, by the flue circular cone of the vertical gas pass 24 of the horizontal flue 26 of the flat cuboid of variable cross-section, square-section, eight endothermic tubes 28 and hemispherical dome take over 23 4 partly form,

Automatically inlet water tank 20 is a water container, in establish copper float valve, connect running water pipe, the lower end of inlet water tank is communicated with boiler 7 bottoms by water inlet pipe 18.Boiler 7 through water inlet pipe 18 is communicated with automatic inlet water tank 20, boiler 7 passes through one way stop peturn valve 22 and is communicated with boiled water tank 6 bottoms, the direction of valve 22 only allows water to flow to boiled water tank 20 from boiler 7, boiler 7 advances boiler circulation conduit 19 through boiled water tank and connects boiled water tank 6 by one way stop peturn valve 27, the direction of valve 27 only allows water to flow to boiler 7 from boiled water tank 6,17 is the hot water tap, chimney breast is gone into from burner hearth, go out from the top after passing through boiler, 21 is overflow pipe, be communicated with atmosphere, 3 is that safe gland steam exhauster is communicated with boiled water tank 6.Boiled water tank 6 connects hot-water line 8 and boiled water pipe 19, blow-off pipe 3 and turns on the tap 17.

The automatic transport approach of water in drinking water boiler: running water flows into automatic inlet water tank 20 through ball-cock assembly, flow into boiler 7 by water inlet pipe 18 again, in boiler 7, be heated after boiler advances boiled water tank circulation conduit 8, one way stop peturn valve 22 flows to boiled water tank 6, hot water is heated to by the burner hearth fire coal and boils, rise to 17 places that turn on the tap and emitted use, water consumption hour, pressure surpasses the startup pressure of one way stop peturn valve 27, advance boiler circulation conduit 19 and valve 27 flows to boiler through boiled water tank, another partly water promptly emit use without the boiling water stage as required from the hot water tap.If water seldom, furnace temperature is high again, causes in the boiled water tank gas to surpass design standard and then by safety gland steam exhauster 3 steam is drained into boiler 7, and surplus vapour drain into airspace by overflow pipe 21 in the boiler 7.

This drinking water boiler is surrounded by water all around entirely because flue integral body is immersed in the boiler, and the heat in the stack gases has the water of very most of conduction circumference.In vertical gas pass, interlock and be horizontally disposed with four groups of eight seamless steel pipe endothermic tubes 28, endothermic tube 28 two ends are connected with boiler 7, when using, the water that boiler 7 is arranged in the endothermic tube 28, when the stack gases of high temperature rises, collision endothermic tube 28, waste-gas heat conducts again to the water in the endothermic tube 28, the special construction of combustion chamber 11 helps improving fire box temperature, and the combustion position and the burning that improve colm greatly are more complete, thereby this drinking water boiler thermal efficiency height.

Claims (5)

1. the efficient non-pressure drinking water boiler of an energy burning inferior coal, by automatic inlet water tank boiler, boiled water tank, base, the combustion chamber, flue, chimney, fire grate, steam pipe, overflow pipe, water inlet pipe, boiler advances the boiled water tank circulation conduit, boiled water tank advances the boiler circulation conduit, compositions such as one way stop peturn valve, it is characterized in that combustion chamber [11] is a waist drum shape tetragonous cone table shape, there are three to have different inclination angle α 1, α 2, the side that α 3 forms, α 1 refers to the angle of bottom and outward-dipping side, α 2 points to the angle of side with the side that slopes inwardly of outer incline, intilted sides and the upper part angle of side that slopes inwardly in the middle of α 3 refers to, α 1＜α 2＜α 3; Flue integral body is immersed in the boiler [7], by horizontal flue [26], vertical gas pass [24], endothermic tube [28] and flue circular cone are taken over [23] four and are partly formed, the staggered endothermic tube [28] that is horizontally installed with in the bottom of vertical gas pass, endothermic tube [28] two ends are communicated with vertical gas pass [24] boiler [7] on every side, vertical gas pass [24] bottom communicates with horizontal flue [26], top is taken over [23] with the flue circular cone and is connected, the suction opeing of horizontal flue [26] preceding termination combustion chamber [11], the rear end is equipped with shoot door [25], from front to back, sectional area changes from small to big, and fixed grate [13] is equipped with at the end, combustion chamber [11].

2. according to the described drinking water boiler of claim 1, it is characterized in that the cross section of vertical gas pass [24] is constant, its cross sectional shape is square or rectangle or polygon.

3. according to the described drinking water boiler of claim 1, it is characterized in that endothermic tube [28] has four to ten six roots of sensation.

4. according to the described drinking water boiler of claim 1, it is characterized in that horizontal flue [26] cross section is that flat cuboid of variable cross-section or cross section are constant.

5. according to the described drinking water boiler of claim 1, it is characterized in that three inclination angle size α 1 of combustion chamber [11] are that 100 °-hexagonal angle, α 2 are that 120 ° of-140 ° of angles, α 3 are 140 ° of-160 ° of angles.

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