CN2566134Y

CN2566134Y - Heating stove

Info

Publication number: CN2566134Y
Application number: CN 02243426
Authority: CN
Inventors: 贾庆利; 孟庆忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-02
Filing date: 2002-08-02
Publication date: 2003-08-13
Anticipated expiration: 2012-08-02

Abstract

The utility model relates to a heating stove, which is provided with a stove body. A hearth and a heated water jacket are arranged in the stove body. A blower is arranged outside the stove body. A water supply pipe and a water return pipe are respectively connected with a water jacket, wherein, an upper hearth and a lower hearth are arranged on the hearth. The upper hearth is a material storing chamber, and the lower hearth is a combustion chamber. The heated water jacket is arranged outside the hearth. A fire box is positioned under a grate of the combustion chamber. The tops of the combustion chamber and the fire box are respectively provided with an upper and a lower air distribution pipes. One end of a fire circulation pipe arranged in the heated water jacket is connected with the fire box and the other end is connected with a smoke discharging pipe. The utility model overcomes general technology disadvantages. Air outlets of the upper and the lower air distribution pipes are arranged on the lower parts of the utility model, namely, the combustion is more sufficient and complete because of the combustion from top to bottom. Thus the utilization rate of energy resources can be increased, the dense smoke is eliminated, the smokeless discharge is achieved, and the atmospheric pollution is reduced.

Description

A kind of heating stove

Technical field

The utility model relates to a kind of heating stove, refers to a kind of heating stove that can reduce atmosphere pollution, cut down the consumption of energy especially.

Background technology

At present, the known heating stove of existing heating stove is burning from bottom to top, and coal combustion is insufficient, the energy consumption height, and the direct discharging of flue gas makes its SO ₂Directly enter atmosphere Deng pernicious gas, the severe contamination air is unfavorable for environmental protection.As Chinese ZL01232413.2, name is called the patent of " coal-burning gas boiler ", this gas boiler is the top of burner being located at coal storeroom, air blast is blown in coal storeroom by the grate bottom by airduct, a tuyere, the coal gas that produces enters burner by wireway and carries out the burning second time, its heat is the water in vertical fire tube boiler and water jacket heating, and gas fume after burning is directly discharged through the smoke pipe of multitubular boiler, chimney and with the heating of the water in waste-heated water-tank back.Its coal gas of this kind structure is to burn from bottom to top, can not guarantee that coal combustion is abundant, and flue gas enters atmosphere through smoke pipe, chimney, and its time of staying in boiler is shorter, and its heat energy can not be fully utilized, and the thermal efficiency is low, and energy consumption is higher, is unfavorable for environmental protection and energy-conservation.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of heating stove, be provided with upper and lower wind distributing pipe in the stove, its exhaust vent all is positioned at the bottom, coal gas is burnt from top to bottom, and the high-temperature flue gas that burning produces is discharged through the circulation fire tube and after being heated water to carry out sufficient heat exchange again, can improve energy utilization rate, reach smokeless emission, reduce atmosphere pollution.

Technical solution of the present utility model is: a kind of heating stove, has a body of heater, comprise hearth box in it and be heated water jacket, the outside is provided with an air blast, feed pipe and return pipe link with water jacket respectively, wherein, described hearth box has last hearth box and following hearth box, last hearth box is a material storing room, and following hearth box is the combustion chamber, and this hearth box is provided with outward and is heated water jacket, the fire boring is positioned at grate bottom, combustion chamber, combustion chamber and fiery boring top are respectively equipped with upper and lower wind distributing pipe, are arranged at an end that is heated the circulation fire tube in the water jacket and connect with fiery boring, and the other end connects smoke exhaust pipe.

Aforesaid a kind of heating stove, described upper and lower wind distributing pipe are located on combustion chamber and fiery boring top internal perisporium face, which is provided with several exhaust vents.

Aforesaid a kind of heating stove, described exhaust vent is positioned at the bottom of upper and lower wind distributing pipe.

Aforesaid a kind of heating stove, described circulation fire tube comprises first fire tube that connects and stretch to the water jacket upper end with fiery boring, axially stretch and at second fire tube of the radially corresponding setting of water jacket along water jacket with first fire tube, be connected with the above circulation pipe of a ring between described first fire tube and second fire tube, a smoke exhaust pipe and second fire tube link.

Aforesaid a kind of heating stove, the diameter of described first fire tube and second fire tube be greater than the diameter of circulation pipe, and the diameter of smoke exhaust pipe is greater than the diameter of first, second fire tube, and this smoke exhaust pipe can outwards be stretched by sidewall of the furnace body.

Aforesaid a kind of heating stove, described upper and lower hearth box is connected on the upper and lower air intake control valve of body of heater outside respectively, and this control valve can be a magnetic valve; Described feed pipe is positioned at the top of body of heater, and return pipe is positioned at the bottom of body of heater, and the top of body of heater is provided with fuel inlet.

Aforesaid heating stove, the wind channel tube of described air blast is provided with the air door by-pass cock, and this wind channel tube connects upper and lower wind distributing pipe respectively.

The utility model has the advantages that: in the hearth box of the heating stove that the utility model proposes upper and lower wind distributing pipe is located on combustion chamber and fiery boring top internal perisporium face, exhaust vent on it is arranged at the bottom of upper and lower wind distributing pipe, make that coal fire, flue gas are downward burnings, so sufficient combustion is complete; Coal fire, flue gas are undertaken discharging after the sufficient heat exchange by being arranged on the circulation fire tube in the water jacket and being heated water.Because the high-temperature flue gas that combustion chambers burn produces, second-time burning in fiery boring is converted to fuel gas with dense smoke, through the circulation fire tube be heated water and carry out sufficient heat exchange, can improve energy utilization rate, eliminate dense smoke, reach smokeless emission, reduce pollution atmosphere.The upper and lower hearth box of this boiler is connected on the upper and lower air intake control valve of body of heater outside respectively, when having a power failure, can the gas in the hearth box be discharged by this control valve, the inlet and outlet amount of upper and lower air intake control valve can be regulated, when the air blast inoperation, be hearth box when banking up a fire, can make the coal in the hearth box keep low-temperature burning, thereby make the safer convenience of use of the present utility model.

Description of drawings

Fig. 1 is a sectional structure schematic diagram of the present utility model;

Fig. 2 is an I-I generalized section among Fig. 1.

The specific embodiment

Now the utility model is described in further detail for conjunction with figs. and specific embodiment.

As shown in Figure 1, 2, a kind of heating stove 1 that the utility model proposes comprises hearth box 2, this hearth box is divided into hearth box and following hearth box, and last hearth box 21 is a material storing room, and following hearth box 22 is the combustion chamber, the fuel inlet 11 that is arranged at the body of heater top links with last hearth box 21, can increase fuel in hearth box 2.This hearth box is provided with outward and is heated water jacket 3, and feed pipe 12 and return pipe 13 link with water jacket 3 respectively, and described feed pipe 12 is positioned at the top of body of heater 1, and return pipe 13 is positioned at the bottom of body of heater 1.Fire boring 4 is positioned at 22 grate (not shown) bottoms, combustion chamber, combustion chamber 22 and fiery boring 4 tops are respectively equipped with upper and lower wind distributing pipe 23,41, this upper and lower wind distributing pipe 23,41 is located on combustion chamber 22 and fiery boring 4 top internal perisporium faces, which is provided with several exhaust vents, this exhaust vent is positioned at the bottom of upper and lower wind distributing pipe 23,41, wind is down blown, and coal fire burns downwards, and it is more abundant, complete that coal combustion is got.The interior cover of above-mentioned water jacket 3 and the outer side surface of overcoat are equipped with heat-insulation layer 31, can not be dispersed into coal-storage room and space outerpace so that be heated the heat of water in the water jacket.

One air blast 6, by wind channel tube 61 wind is sent in the hearth box 2, the wind channel tube 61 of described air blast 6 is provided with air door by-pass cock 62, this wind channel tube 61 connects upper and lower wind distributing pipe 23,41 respectively, described air door by-pass cock 62 can be regulated the air-out size of the upper and lower wind distributing pipe 23,41 that is arranged at combustion chamber 22 and fiery boring 4, thus the size of firepower in the control stove.

Above-mentioned being heated is provided with circulation fire tube 7 in the water jacket 3, one end and fiery boring 4 link, and the other end connects smoke exhaust pipe 8.Described circulation fire tube 7 comprises first fire tube 71 that connects and stretch to the water jacket upper end with fiery boring 4, along water jacket axially stretch and water jacket radially with second fire tube 72 of first fire tube, 71 corresponding settings, described

first fire tube

71 and 72 of second fire tubes are connected with the above circulation pipe 73 of a ring, this circulation pipe 73 is surrounded in the water jacket 3, one smoke exhaust pipe 8 and second fire tube 72 link, smoke exhaust pipe 8 can be connected in the top of second fire tube 72, and is outwards stretched by the sidewall of heating body of heater 1.The diameter of described first fire tube 71 and second fire tube 72 is greater than the diameter of circulation pipe 73, thereby helps flue gas recirculation, carries out sufficient heat exchange with the water that is heated in the water jacket.And the diameter of smoke exhaust pipe 8 is greater than the diameter of first, second fire tube, so that the discharging of flue gas is smooth and easy.

Upper and lower hearth box 21,22 connects upper and lower air

intake control valve

51,52 respectively, and this

control valve

51,52 is located at body of heater 1 outside.But following air intake control valve 52 air inlets, but 51 exhausts of last air intake control valve when having a power failure, can be discharged the gas in the hearth box 2 by upper and lower air intake control valve 51,52.Also can regulate the inlet and outlet amount of upper and lower air intake control valve, when air blast 6 is not worked, when promptly hearth box 2 is banked up a fire, make the coal low-temperature burning in the hearth box 2.

During use, coal is sent into hearth box 2 from the fuel inlet 11 at body of heater 1 top, expire behind following hearth box 22, can be stored in hearth box 21, in order to using when coal is long-pending.

Light down the coal in the hearth box 22, the wind that above-mentioned air blast 6 bloats divides two-way by wind channel tube 61 backs, enter windward distributing pipe 23 along the A road, enter leeward distributing pipe 41 along the B road, because the exhaust vent of windward distributing pipe 23 all is positioned at the bottom of windward distributing pipe, blow under the wind direction, high-temperature chemical reaction is taking place in the hearth box 22 down in coal, and highly gasification under certain hot conditions, make the organic matter in the coal change coal gas into the gas medium burning, make coal through peroxidating and reduction reaction, materials such as the carbon in the coal, hydrogen, oxygen change combustible into.

Above-mentioned coal gas enters fiery boring 4 downwards, the exhaust vent that is arranged at the leeward distributing pipe 41 on fiery boring top also all is positioned at its underpart, blow under the wind direction, to entering the coal fire of fiery boring, flue gas carries out the burning second time, through pyroreaction, be converted to pure combustion gas, this combustion process is the oxidizing process of carbon, fiery boring 4 this moment can be with the heating of the water around it, simultaneously, through more clean-burning coal fire, flue gas enters joining with it first fire tube 71 that is arranged in the water jacket 3 by fiery boring 4, and upwards enters the circulation pipe 73 and second fire tube 72, circulates the heating back by smoke exhaust pipe 8 discharge bodies of heater 1 to being heated water in circulation fire tube 7.Above-mentioned circulation pipe 73 can be provided with complex root according to the body of heater situation, to increase the contact area that is heated water in circulation pipe and the water jacket 3, improves rate of heat exchange, makes full use of heat energy.

Water after overdo boring 4 and circulation fire tube 7 fully heat flows out from feed pipe 12, flows to each heating area, finally flows back to return pipe 13, to continue heating.

When having a power failure, automatically the gas in the hearth box 2 is discharged by upper and lower air intake control valve 51,52.The inlet and outlet amount of upper and lower air intake control valve can be regulated.When air blast 6 inoperation, when promptly hearth box 2 is banked up a fire, can make the coal low-temperature burning in the hearth box 2.This device adds the automatic electronic device, makes operation safer, convenient, time saving and energy saving.

The above person only; only be specific embodiment of the utility model, when can not with the scope implemented of qualification the utility model, so the displacement of its equivalent assemblies; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that the utility model scope of patent protection is done.

Claims

1, a kind of heating stove, has a body of heater, comprise hearth box in it and be heated water jacket, the outside is provided with an air blast, feed pipe and return pipe link with water jacket respectively, it is characterized in that: described hearth box has last hearth box and following hearth box, last hearth box is a material storing room, following hearth box is the combustion chamber, this hearth box is provided with outward and is heated water jacket, and fiery boring is positioned at grate bottom, combustion chamber, and combustion chamber and fiery boring top are respectively equipped with upper and lower wind distributing pipe, be arranged at an end that is heated the circulation fire tube in the water jacket and connect with fiery boring, the other end connects smoke exhaust pipe.

2, a kind of heating stove as claimed in claim 1 is characterized in that: described upper and lower wind distributing pipe is located on combustion chamber and fiery boring top internal perisporium face, which is provided with several exhaust vents.

3, a kind of heating stove as claimed in claim 2, it is characterized in that: described exhaust vent is positioned at the bottom of upper and lower wind distributing pipe.

4, a kind of heating stove as claimed in claim 1, it is characterized in that: described circulation fire tube comprises first fire tube that connects and stretch to the water jacket upper end with fiery boring, axially stretch and at second fire tube of the radially corresponding setting of water jacket along water jacket with first fire tube, be connected with the above circulation pipe of a ring between described first fire tube and second fire tube, a smoke exhaust pipe and second fire tube link.

5, a kind of heating stove as claimed in claim 4 is characterized in that: the diameter of described first fire tube and second fire tube is greater than the diameter of circulation pipe, and the diameter of smoke exhaust pipe is greater than the diameter of first, second fire tube, and this smoke exhaust pipe can outwards be stretched by sidewall of the furnace body.

6, a kind of heating stove as claimed in claim 1 is characterized in that: described upper and lower hearth box is connected on the upper and lower air intake control valve of body of heater outside respectively, and this control valve can be a magnetic valve; Described feed pipe is positioned at the top of body of heater, and return pipe is positioned at the bottom of body of heater, and the top of body of heater is provided with fuel inlet.

7, heating stove as claimed in claim 1 is characterized in that: the wind channel tube of described air blast is provided with the air door by-pass cock, and this wind channel tube connects upper and lower wind distributing pipe respectively.