CN208998096U

CN208998096U - Hot-blast stove

Info

Publication number: CN208998096U
Application number: CN201821200107.0U
Authority: CN
Inventors: 蒋景沛; 栾井宇; 马云峰
Original assignee: Liaoning Deco Thermal Equipment Technology Co Ltd
Current assignee: Liaoning Deco Thermal Equipment Technology Co Ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2019-06-18
Anticipated expiration: 2028-07-27

Abstract

The utility model provides a kind of hot-blast stove, including furnace shell and furnace body, wherein the inside of furnace body, which is isolated, is divided into combustion chamber, secondary furnace, ash accumulating chamber and hotair chamber, wherein ash accumulating chamber is located at the intracorporal lower part of furnace, combustion chamber and secondary furnace are located at the intracorporal middle part of furnace and are disposed adjacent, bottom is connected between the two with secondary furnace for combustion chamber, and the bottom of combustion chamber and secondary furnace is separated by by fire bars and ash accumulating chamber；Through entire furnace interior, the smoke pipe drawn from secondary furnace is installed in hotair chamber hotair chamber, the chimney connection being arranged on the tail end and furnace shell of smoke pipe；The cool air inlet connecting with hotair chamber, the hot-blast outlet connecting with hotair chamber, the fire door connecting with combustion chamber and the shoot door one connecting with ash accumulating chamber are equipped on furnace shell.Hot-blast stove provided by the utility model improves the hot wind efficiency of furnace, and changing burner hearth is negative-pressure firing, eliminates fire hazard, extends service life of equipment.

Description

Hot-blast stove

Technical field

The utility model relates to a kind of hot-blast stoves, belong to thermal hardware technical field.

Background technique

There is following deficiency: 1, low efficiency in actual use in existing hot-blast stove；2, due to pressure combustion, fire is revealed at fire door There are fire hazards；3, temperature is excessively high at chimney equally exists fire hazard；4, service life is short.

Utility model content

Against the above deficiency, the purpose of the utility model is to provide a kind of hot-blast stoves, improve the hot wind efficiency of furnace；Changing burner hearth is Negative-pressure firing eliminates fire hazard；Extend service life of equipment.

The utility model is implemented by the following technical programs: hot-blast stove, including furnace shell and furnace body, and wherein furnace body is interior Portion, which is isolated, is divided into combustion chamber, secondary furnace, ash accumulating chamber and hotair chamber, and wherein ash accumulating chamber is located at the intracorporal lower part of furnace, burning Room and secondary furnace are located at the intracorporal middle part of furnace and are disposed adjacent, and bottom is connected between the two with secondary furnace for combustion chamber, combustion chamber and The bottom of secondary furnace is separated by by fire bars and ash accumulating chamber；Hotair chamber is drawn through entire furnace interior from secondary furnace Smoke pipe is installed in hotair chamber, the chimney connection being arranged on the tail end and furnace shell of smoke pipe；It is equipped on furnace shell and adds with air The cool air inlet of hot cell connection, the hot-blast outlet being connect with hotair chamber, the fire door and and dust stratification being connect with combustion chamber The shoot door one of room connection.

The smoke pipe includes N grades of first order smoke pipe, second level smoke pipe ... smoke pipes, N >=2, between adjacent two-stage smoke pipe Form U-shaped connection.

The shoot door two being all connected with combustion chamber and ash accumulating chamber, the i.e. top half and combustion of shoot door two are equipped on furnace shell Room connection is burnt, the lower half portion of shoot door two is connect with ash accumulating chamber, the company between the top half and combustion chamber of shoot door two It meets place and is equipped with dismountable block plate.The setting of shoot door two, not only can be convenient the deashing work of combustion chamber, but also can be convenient ash accumulating chamber Deashing work

The combustion chamber and secondary furnace are piled up by refractory wall, are had good heat insulation effect, are played energy-conserving action.

Replace between the cool air inlet and hot-blast outlet of hotair chamber and is equipped with horizontally disposed partition one and partition Two, partition one and partition two are used to extend the path of cold air, and then increase heat exchange effect.

First order smoke pipe is connect with auxillary flue, and blower is equipped on auxillary flue, when there are special circumstances in combustion chamber or secondary furnace When needing emergent management, auxillary flue can be enabled, flue gas is discharged as early as possible, to avoid danger.

It is equipped with air filtering core at narrow flow road position in hotair chamber, the quality of heated air can be promoted.

It is additionally provided with the maintenance door connecting with hotair chamber on furnace shell, facilitates the maintenance of hotair chamber.

The technical effect of the utility model:

1, energy saving: boiler burns principle using destructive distillation is counter, and smoke combustion is abundant；Flue gas is discharged into chimney by three processes, arranges Smoke temperature degree is low, and boiler efficiency is high；

2, environmentally friendly: fuel burns in high-temperature region always, and passes through secondary air distribution combustion, and smoke combustion is sufficiently produced without black smoke Raw, flue gas uses more backhaul circulation styles, and Natural Dust Suppression, dust concentration is low, and environment protecting is good, and boiler is equipped with auxillary flue, boiler It is generated when blowing out without black smoke；

3, easy to operate: boiler is equipped with intelligent temperature control device, can arbitrarily adjust running temperature；

4, it less manpower: fills out a dant incendivity 5 hours or more；

5, safety: boiler uses negative-pressure firing, and the flames of anger will not cause fire.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model hot-blast stove.

Fig. 2 is the A direction view of Fig. 1.

Fig. 3 is the B direction view of Fig. 1.

1, cool air inlet one；2, cool air inlet two；3, air filtering core；4, maintenance door；5, fire door；6, combustion chamber；7, Baffle；8, fire bars；9, shoot door two；10, fire door；11, secondary furnace；12, first order smoke pipe；13, second level smoke pipe；14, deashing Men Yi；15, third level smoke pipe；16, hot-blast outlet；17, chimney；18, auxillary flue；19, partition one；20, partition two；21, fire resisting Wall；22, ash accumulating chamber；23, blower；24, air heat-exchanging chamber.

Specific embodiment

Hot-blast stove as shown in Figure 1, including furnace shell and furnace body, wherein the inside of furnace body, which is isolated, is divided into combustion chamber 6, after-flame Room 11, ash accumulating chamber 22 and hotair chamber 24, wherein ash accumulating chamber 22 is located at the intracorporal lower part of furnace, combustion chamber 6 and secondary furnace 11 It in the intracorporal middle part of furnace and is disposed adjacent, the combustion chamber 6 and secondary furnace 11 are piled up by refractory wall 21, combustion chamber 6 and combustion Bottom is connected between the two for room 11 to the greatest extent, and the bottom of combustion chamber 6 and secondary furnace 11 is separated by by fire bars 8 with ash accumulating chamber 22, in furnace shell It is equipped with the fire door 5 connecting with combustion chamber 6,10, the shoot door 1 that connect with ash accumulating chamber 22.

Continue as shown in Figure 1, hotair chamber 24 is through entire furnace interior, the smoke pipe drawn from secondary furnace 11 is installed In hotair chamber 24, the smoke pipe includes first order smoke pipe 12, second level smoke pipe 13, third level smoke pipe 15, adjacent two-stage U-shaped connection is formed between smoke pipe, the chimney 17 being arranged on the tail end and furnace shell of final stage smoke pipe connects；It is equipped on furnace shell and air Cool air inlet 1 that heating room 24 connects, 2, the hot-blast outlet 16 that is connect with hotair chamber 24, connect with hotair chamber 24 Maintenance door 4 replace between the cool air inlet 1,2 and hot-blast outlet 16 of hotair chamber 24 be equipped with horizontally disposed partition One 19 and partition 2 20.Air filtering core 3 is equipped at the narrow flow road position in hotair chamber 24.

The shoot door 29 being all connected with combustion chamber 6 and ash accumulating chamber 22, the i.e. upper half of shoot door 29 are equipped on furnace shell Divide and connect with combustion chamber 6, the lower half portion of shoot door 29 is connect with ash accumulating chamber 22, in the top half and burning of shoot door 29 Junction between room 6 is equipped with dismountable block plate 7.

As shown in figure 3, first order smoke pipe 12 is connect with auxillary flue 18, blower 23 is installed on auxillary flue 18.

When operation, fuel burns in combustion chamber 6, and not sufficiently combusted part is transferred in secondary furnace 11 and burns away, Burn generate high-temperature flue gas through multistage smoke pipe and via chimney 17 be discharged furnace body, meanwhile, cold air through cool air inlet 1,2 into Enter into hotair chamber 24, cold air passes through multistage smoke pipe and realizes heat exchange, and the cold air being heated forms hot wind via heat 16 discharge furnace body of wind outlet, for using.

Claims

1. hot-blast stove, it is characterised in that: including furnace shell and furnace body, wherein the inside of furnace body, which is isolated, is divided into combustion chamber (6), after-flame Room (11), ash accumulating chamber (22) and hotair chamber (24), wherein ash accumulating chamber (22) is located at the intracorporal lower part of furnace, combustion chamber (6) and Secondary furnace (11) is located at the intracorporal middle part of furnace and is disposed adjacent, and combustion chamber (6) are connected to bottom between the two with secondary furnace (11), combustion The bottom for burning room (6) and secondary furnace (11) is separated by by fire bars (8) with ash accumulating chamber (22)；Hotair chamber (24) is through entire Furnace interior, the smoke pipe drawn from secondary furnace (11) are installed in hotair chamber (24), are arranged on the tail end and furnace shell of smoke pipe Chimney (17) connection；The cool air inlet (1,2) and hotair chamber connecting with hotair chamber (24) are equipped on furnace shell (24) hot-blast outlet (16) that connects, connect with combustion chamber (6) fire door (5,10) and the deashing that connect with ash accumulating chamber (22) One (14) of door.

2. hot-blast stove as described in claim 1, it is characterised in that: the smoke pipe includes first order smoke pipe (12), second level cigarette N grade smoke pipes are managed (13) ..., N >=2 form U-shaped between adjacent two-stage smoke pipe and are connected to.

3. hot-blast stove as described in claim 1, it is characterised in that: be equipped with and combustion chamber (6) and ash accumulating chamber (22) on furnace shell The shoot door two (9) being all connected with, the i.e. top half of shoot door two (9) are connect with combustion chamber (6), the lower half of shoot door two (9) Part is connect with ash accumulating chamber (22), and the junction between the top half of shoot door two (9) and combustion chamber (6) is equipped with detachable Baffle (7).

4. hot-blast stove as described in claim 1, it is characterised in that: the combustion chamber (6) and secondary furnace (11) are by refractory wall (21) it piles up.

5. hot-blast stove as described in claim 1, it is characterised in that: hotair chamber (24) cool air inlet (1,2) with Horizontally disposed partition one (19) and partition two (20) are alternately equipped between hot-blast outlet (16).

6. hot-blast stove as claimed in claim 2, it is characterised in that: first order smoke pipe (12) is connect with auxillary flue (18), secondary cigarette Blower (23) are installed on road (18).

7. hot-blast stove as described in claim 1, it is characterised in that: be equipped at the narrow flow road position in hotair chamber (24) Air filtering core (3).

8. hot-blast stove as described in claim 1, it is characterised in that: be additionally provided on furnace shell and connect with hotair chamber (24) Maintenance door (4).