CN204006649U - A kind of multitube high temperature hot-blast furnace - Google Patents

A kind of multitube high temperature hot-blast furnace Download PDF

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Publication number
CN204006649U
CN204006649U CN201420399199.5U CN201420399199U CN204006649U CN 204006649 U CN204006649 U CN 204006649U CN 201420399199 U CN201420399199 U CN 201420399199U CN 204006649 U CN204006649 U CN 204006649U
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CN
China
Prior art keywords
air
heat
heat room
chamber
flue gas
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420399199.5U
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Chinese (zh)
Inventor
杨恒灼
杨家顺
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QUANZHOU HENGZHUO THERMAL MECHANICAL TECHNOLOGY Co Ltd
Original Assignee
QUANZHOU HENGZHUO THERMAL MECHANICAL TECHNOLOGY Co Ltd
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Priority to CN201420399199.5U priority Critical patent/CN204006649U/en
Application granted granted Critical
Publication of CN204006649U publication Critical patent/CN204006649U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of multitube high temperature hot-blast furnace, comprise body of heater, be arranged on the combustion chamber in body of heater, dirt pocket and Heat Room, body of heater both sides are respectively equipped with air inlet and air outlet, air outlet upper end is provided with inlet air plenum, between body of heater and Heat Room, there is mezzanine space, this mezzanine space is waste heat air-return duct, waste heat air-return duct one end is communicated with air inlet, the other end is communicated with inlet air plenum, in Heat Room, be provided with the heat exchanger tube that many levels run through, Heat Room inner vertical shaft is to being provided with polylith baffle plate, Heat Room side is provided with the air chamber that is communicated with heat exchanger tube, in Heat Room, the heat exchanger tube of the first half is communicated with inlet air plenum, in Heat Room, the heat exchanger tube of the latter half is communicated with air outlet, Heat Room top is provided with flue gas inlet chamber and flue gas outlet chamber, flue gas inlet chamber is communicated with air chamber, flue gas inlet chamber is connected by many horizontally disposed warm-air pipes with flue gas outlet chamber, on flue gas outlet chamber, connect blast pipe.

Description

A kind of multitube high temperature hot-blast furnace
Technical field
The utility model relates to hot-blast stove technical field, relates in particular to a kind of multitube high temperature hot-blast furnace, belongs to technical field of heat exchange.
Background technology
Hot-blast stove as thermal power machinery starts extensive use in late 1970s in China, and it has become the regeneration product of electric heat source and traditional steam power thermal source in many industries.By long production practices, it has been recognized that, only have the hot blast of utilization as medium and carrier could be larger improve heat utilization efficiency and hot working effect.Yet hot-blast stove traditional on market is taked: heavy combustion formula combustion system, with the ancient combustion system of fire grate structure air supply at the bottom, the combustion rate of fuel is extremely low, causes mass energy waste and air pollution; In addition adopt a bucket formula to be subject to hot mode, heating surface area is minimum, and a large amount of heat energy not and obtain changing just with fume emission in air, does not cause a large amount of heat energy loss wastes.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides that a kind of compact conformation, combustion rate and heat exchange efficiency are high, the multitube high temperature hot-blast furnace of energy-conserving and environment-protective.
The technical scheme that the utility model adopts is: a kind of multitube high temperature hot-blast furnace, comprise body of heater, be arranged on combustion chamber, dirt pocket and Heat Room in body of heater, Heat Room is located at combustion chamber and dirt pocket top, body of heater both sides are respectively equipped with air inlet and air outlet, air outlet upper end is provided with inlet air plenum, between body of heater and Heat Room, has mezzanine space, and this mezzanine space is waste heat air-return duct, waste heat air-return duct one end is communicated with air inlet, and the other end is communicated with inlet air plenum.In Heat Room, be provided with the heat exchanger tube that many levels run through Heat Room, Heat Room inner vertical shaft is to being provided with polylith baffle plate, Heat Room side is provided with the air chamber that is communicated with heat exchanger tube, and in Heat Room, the heat exchanger tube of the first half is communicated with inlet air plenum, and in Heat Room, the heat exchanger tube of the latter half is communicated with air outlet.Heat Room top is provided with flue gas inlet chamber and flue gas outlet chamber, and flue gas inlet chamber is communicated with air chamber, and flue gas inlet chamber is connected by many horizontally disposed warm-air pipes with flue gas outlet chamber, on flue gas outlet chamber, connects blast pipe, and blast pipe is communicated to outside body of heater.
On the body of heater of sidewall of combustion chamber, have charge door, on the body of heater of dirt pocket sidewall, have gray-drawing port.
Baffle plate is provided with three, the width of being wherein located at two middle baffle plates of Heat Room is consistent with Heat Room width, highly be less than Heat Room height, two baffle plates are connected to form closed sandwich, are located at the 3rd barrier width of corresponding dirt pocket middle upper part and highly all equate with Heat Room.
Blast pipe place connects smoke exhaust fan by flange, in junction, air filter screen is set, and further filters flue gas, to reach emission request.
The beneficial effects of the utility model are: adopt multitube heat exchange mode, improved greatly heat exchange area and improved the thermal efficiency; Polylith baffle plate in Heat Room is set, Heat Room is separated into circuitous channel, extended walking distance and the time of high-temperature flue gas in Heat Room, further improve heat exchange efficiency; The waste heat air-return duct that the mezzanine space of body of heater and Heat Room forms not only plays heat-insulation layer effect, effectively reduces heat and runs off, easy to maintenance, and recyclable waste heat, and the thermal efficiency improves again; Combustion product gases is set by after dirt pocket dedusting, then discharges after strainer filtering, reach minimizing of energy-conservation maximization and soot emissions.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated:
Fig. 1 is structure of the present utility model and high-temperature hot-air flow schematic diagram;
Fig. 2 is top cross-sectional view of the present utility model.
In figure 1, body of heater, 2, combustion chamber, 3, dirt pocket, 4, Heat Room, 5, air inlet, 6, air outlet, 7, inlet air plenum, 8, waste heat air-return duct, 9, heat exchanger tube, 10, baffle plate, 11, air chamber, 12, flue gas inlet chamber, 13, flue gas outlet chamber, 14, warm-air pipe, 15, blast pipe, 16, charge door, 17, gray-drawing port, 18, closed sandwich.
The specific embodiment
In the embodiment in figure 1, multitube high temperature hot-blast furnace consists of body of heater 1, combustion chamber 2, dirt pocket 3 and Heat Room 4 in body of heater 1, Heat Room 4 is above combustion chamber 2 and dirt pocket 3, there are air inlet 5 and air outlet 6 in body of heater 1 both sides, there is inlet air plenum 7 air outlet 5 upper ends, mezzanine space between body of heater 1 and Heat Room 4 forms waste heat air-return duct 8, waste heat air-return duct 8 one end UNICOM air inlets 5, other end UNICOM inlet air plenum 7.In Heat Room 4, have many horizontally disposed heat exchanger tubes 9, have baffle plate 10 in Heat Room 4, there is the air chamber 11 that is communicated with heat exchanger tube 9 Heat Room 4 sides, and the heat exchanger tube 9 of Heat Room 4 interior the first half is communicated with inlet air plenum 7, and the heat exchanger tube 9 of the latter half is communicated with air outlet 6.
In the embodiment of Fig. 2, body of heater 1 top is that Heat Room 4 tops are provided with flue gas inlet chamber 121 and flue gas outlet chamber 13, flue gas inlet chamber 12 is communicated with air chamber 11, flue gas inlet chamber 12 is connected by many horizontally disposed warm-air pipes 14 with flue gas outlet chamber 13, on flue gas outlet chamber 13, connect blast pipe 15, blast pipe 15 is communicated to outside body of heater 1.
On the body of heater 1 of combustion chamber 2 sidewalls, have charge door 16, on the body of heater 1 of dirt pocket 3 sidewalls, have gray-drawing port 17.Be located at Heat Room 4 two middle baffle plates 10 and be connected to form closed sandwich 18.
Embodiment 1: combustion chamber 2 converts biomass fuel to fuel gas, fuel gas burns into thermal-flame in the environment of combustion chamber 2 high temperature and naked light, flame enters Heat Room 4 with flue gas and dust, first thermal-flame toasts Heat Room 4 the latter half heat exchanger tubes 9, heat is preached in heat exchanger tube 9 by the metal pipe-wall of heat exchanger tube 9, and the wind in pipe is heated and made it to become high-temperature hot-air; It is up that thermal-flame continues, and in like manner heats the wind in the heat exchanger tube 9 of Heat Room 4 the first half.Because heat exchanger tube 9 is multi-layer multi-row dislocation design, the passage of flame reserving is circuitous channel and small space, and flame is high at the heat transfer rate of Heat Room 4, continues up flame become waste heat with flue gas and dust.
Embodiment 2: certainly with flue gas and dust, continue up flame and complete after the heat exchange of Heat Room 4, with waste heat, enter into air chamber 11, dust enters dirt pocket 3 after air chamber 11 precipitations, flue gas enters flue gas inlet chamber 12 and enters into flue gas outlet chamber 13 by warm-air pipe 14, and the blast pipe 15 that last flue gas connects from flue gas outlet chamber 13 is discharged.
Embodiment 3: waste heat, converges with the cold wind entering from air inlet 5 with dust after air chamber 11 precipitations below cold wind mouth, and the waste heat in the first path is recycled; Flue gas is taken away part of waste heat equally, through warm-air pipe 14, enter into the flue gas of flue gas outlet chamber 13, heat hot airduct 14, cold wind is during via the top of the waste heat air-return duct 8 around combustion chamber 2, with warm-air pipe 14 heat exchange, enter inlet air plenum 7 after taking away the waste heat in the second path, then by inlet air plenum 7, enter heat exchanger tube 9, promote the interior hot blast of heat exchanger tube 9 and enter air outlet 6, cold wind continues to be heated by thermal-flame.The high-temperature flue gas of combustion chamber 2 enters after Heat Room 4, carries out heat exchange on the contrary with air direct in heat exchanger tube 9, and last hot blast is from air outlet 6 outputs.

Claims (4)

1. a multitube high temperature hot-blast furnace, comprise body of heater, be arranged on the combustion chamber in body of heater, dirt pocket and Heat Room, Heat Room is located at combustion chamber and dirt pocket top, it is characterized in that: described body of heater both sides are respectively equipped with air inlet and air outlet, described air outlet upper end is provided with inlet air plenum, between described body of heater and Heat Room, there is mezzanine space, this mezzanine space is waste heat air-return duct, waste heat air-return duct one end is communicated with air inlet, the other end is communicated with inlet air plenum, in described Heat Room, be provided with many levels through the heat exchanger tube of Heat Room, Heat Room inner vertical shaft is to being provided with polylith baffle plate, described Heat Room side is provided with the air chamber that is communicated with heat exchanger tube, in Heat Room, the heat exchanger tube of the first half is communicated with inlet air plenum, in Heat Room, the heat exchanger tube of the latter half is communicated with air outlet, described Heat Room top is provided with flue gas inlet chamber and flue gas outlet chamber, flue gas inlet chamber is communicated with air chamber, flue gas inlet chamber is connected by many horizontally disposed warm-air pipes with flue gas outlet chamber, on described flue gas outlet chamber, connect blast pipe, blast pipe is communicated to outside body of heater.
2. a kind of multitube high temperature hot-blast furnace according to claim 1, is characterized in that: on the body of heater of described sidewall of combustion chamber, have charge door, on the body of heater of dirt pocket sidewall, have gray-drawing port.
3. a kind of multitube high temperature hot-blast furnace according to claim 1, it is characterized in that: described baffle plate is provided with three, wherein be located at two middle barrier width of Heat Room and equate, be highly all less than Heat Room with Heat Room, two baffle plates are connected to form closed sandwich, are located at the 3rd barrier width of corresponding dirt pocket middle upper part and highly all equate with Heat Room.
4. a kind of multitube high temperature hot-blast furnace according to claim 1, is characterized in that: described blast pipe place is equipped with smoke exhaust fan, and both connect with flange, in junction, are provided with air filter screen.
CN201420399199.5U 2014-07-20 2014-07-20 A kind of multitube high temperature hot-blast furnace Expired - Fee Related CN204006649U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420399199.5U CN204006649U (en) 2014-07-20 2014-07-20 A kind of multitube high temperature hot-blast furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420399199.5U CN204006649U (en) 2014-07-20 2014-07-20 A kind of multitube high temperature hot-blast furnace

Publications (1)

Publication Number Publication Date
CN204006649U true CN204006649U (en) 2014-12-10

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Application Number Title Priority Date Filing Date
CN201420399199.5U Expired - Fee Related CN204006649U (en) 2014-07-20 2014-07-20 A kind of multitube high temperature hot-blast furnace

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423549A (en) * 2015-12-28 2016-03-23 安徽泰格生物技术股份有限公司 Coal fired chain grate hot-blast stove and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423549A (en) * 2015-12-28 2016-03-23 安徽泰格生物技术股份有限公司 Coal fired chain grate hot-blast stove and application thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20160720