CN202008289U - Environmentally-friendly roller table type de nitration catalyst calcining furnace with degreasing function - Google Patents

Environmentally-friendly roller table type de nitration catalyst calcining furnace with degreasing function Download PDF

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Publication number
CN202008289U
CN202008289U CN2010206982294U CN201020698229U CN202008289U CN 202008289 U CN202008289 U CN 202008289U CN 2010206982294 U CN2010206982294 U CN 2010206982294U CN 201020698229 U CN201020698229 U CN 201020698229U CN 202008289 U CN202008289 U CN 202008289U
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CN
China
Prior art keywords
air
furnace
fan
pipe
roller
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Expired - Fee Related
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CN2010206982294U
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Chinese (zh)
Inventor
余瑞龙
陈雄军
余美华
赵锦华
陈良安
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HUANGGANG HUAYAO ZHONGZHOU KILN CO Ltd
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HUANGGANG HUAYAO ZHONGZHOU KILN CO Ltd
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Priority to CN2010206982294U priority Critical patent/CN202008289U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Abstract

The utility model discloses an environmentally-friendly roller table type de nitration catalyst calcining furnace with a degreasing function, which solves the problems that in the prior art, the temperature difference between material layers is great, organic matters cannot be sufficiently volatilized, the yield is low, and the like. The roller table type calcining furnace is characterized by adopting a segmented structure; a main body structure of the roller table type calcining furnace comprises a steel structure framework, a heat-insulating wall built by heat-insulating materials, a driving roller bar and an external driving mechanism; one pair of air current circulating fan covers is arranged in each region on the lateral surface at the bottom of a furnace body; and a circulating fan, a circulating air pipeline, a hot air inlet and a cold air inlet are arranged at the top of the furnace body. A hot air circular heating system mainly comprises a natural gas burner formed by the steel structure framework and the heat-insulating materials, the circular fan, a circulating air lead-out pipeline, a pipeline for supplementing fresh air after heat exchange as well as a hot air pipeline and an exhaust pipeline which are heated and then fed into the calcining furnace body. The roller table type calcining furnace has the advantages of short calcining time, fuel saving, sufficient degreasing discharge, and the like; the energy consumption is reduced and the environment is protected; the yield and the quality of products are improved; and the roller table type calcining furnace brings higher economic benefits for enterprises.

Description

Roller bed type environmental protection denitrating catalyst degreasing calcining furnace
One, technical field
The utility model belongs to Thermal Equipment, relates in particular to a kind of roller bed type environmental protection denitrating catalyst degreasing calcining furnace.
Two, background technology
The mature equipment of most of in the world producer honeycomb fashion denitrating catalyst calcining furnace employing at present has: 1, the static calcining of electrical heating continuous tunnel furnace, advantage are that material is broken few, the yield height, the organic matter volatile emission is abundant, qualification rate height, shortcoming are that temperature control precision is not high, and the bed of material temperature difference is big.2, the static calcining of electrical heating meshbeltfurnace, advantage is the temperature control precision height, material is broken few, the yield height, shortcoming is that the bed of material has a fixed difference difference, and the organic matter volatile emission is insufficient, and qualification rate is low.Honeycomb fashion denitrating catalyst manufacturer adopts continuous guipure calcining furnace substantially in the world, be characterized in that disposal ability is big, the carrier wearing and tearing are little, temperature can realize automatic control, but owing to adopt the continuous guipure calcining technology that is communicated with, be difficult to satisfy the organic volatilization of the denitrating catalyst lipid requirement of discharging in time, the organic matter spontaneous combustion takes place and burns catalyst itself in the untimely meeting of the organic volatile emission of denitrating catalyst lipid; In addition, calcination process effluxes that exhaust temperature is higher to reach 300 ℃, effectively reuse, and furnace thermal efficiency can only reach about 35%, and energy consumption is higher relatively.
Three, summary of the invention
The purpose of this utility model provides a kind of raising honeycomb fashion denitrating catalyst calcining single device disposal ability, improve honeycomb fashion denitrating catalyst calcination condition, stable, raising honeycomb fashion denitrating catalyst calcining comprises every technical indicators such as organic matter volatile emission, metal oxide calcining intensity, reduce honeycomb fashion denitrating catalyst calcining specific energy consumption, save honeycomb fashion denitrating catalyst calcining production run cost roller bed type environmental protection denitrating catalyst degreasing calcining furnace.
The technical solution of the utility model is: it is by the feed roller platform, discharge roller platform and by steel structure frame, the insulated wall that insulation material is built by laying bricks or stones, the live-roller rod, the calcining furnace that outside transmission mechanism is formed constitutes, it is characterized in that: be provided with in every district burner hearth of calcining furnace by a pair of air-flow circulation fan housing that is installed on the bottom of furnace body side, a circulating fan, the circulation airduct, the wind circulating system of air intake valve and the export mixes of row's fat, and be provided with to warm-air pipe and hot-wind inlet and cold air inlet at the top, be provided with a waste discharge on the body of heater and be responsible for and a waste discharge blower fan, the hot blast of giving warm-air pipe is by the neat gas burner that is arranged at upper of furnace body, circulating fan, gas pipeline and combustion air are responsible for the hot air circulation heating system of forming and are provided; Be divided into low-temperature defatted section, high-temperature calcination section and cooling section three parts behind the whole piece stokehold.
Wind circulating system in described low-temperature defatted section every district burner hearth is by low-temperature defatted section circulation airduct, be installed on a pair of air-flow circulation fan housing of bottom of furnace body side, the air intake valve, circulating fan constitutes, on low-temperature defatted section circulation airduct, be provided with to hot leg pipe, replenish fresh air airduct and circulated air tube valve, be provided with one on per 6 district's furnace roofs and give warm-air pipe, by communicate for hot leg pipe with every low temp area degreasing section circulation airduct, give the interior hot blast of warm-air pipe by the burner that is arranged at side on the body of heater, gas pipeline and combustion air are responsible for the combustion system and the cooling section waste heat airduct that constitute and are provided, and are sent into by the heat supply blower fan.Every district is provided with one of thermal resistance, and the outlet of row's fat is arranged on place, circulated air inlet scoop in the stove, is responsible for communicating with waste discharge by row's fat pipe, and waste discharge is responsible for and is connected smoke exhaust fan.
All be provided with by circulating fan in every district burner hearth of described high-temperature calcination section, high-temperature calcination section circulation airduct, be installed on the wind circulating system of a pair of air-flow circulation fan housing formation of bottom of furnace body side, every district's high-temperature calcination section circulation airduct be arranged at furnace roof on link to each other to warm-air pipe, a burner is set for the porch of warm-air pipe, described burner and gas pipeline and combustion air are responsible for and are constituted the combustion system, every district is provided with one of K type thermocouple, the combustion case of control burner reaches the effect that realizes the control temperature, high-temperature calcination section top is provided with smoke exhaust pipe, link to each other with every joint smoke evacuation outlet respectively by the smoke evacuation arm, and establish smoke exhaust fan in the smoke exhaust pipe end.
Described cooling section also is provided with by circulating fan, cooling section circulation airduct, is installed on the wind circulating system that a pair of air-flow circulation fan housing of bottom of furnace body side constitutes, its cooling section circulation airduct by hot blast manifold with communicate to warm-air pipe, link to each other for the air inlet of warm-air pipe with the outlet of the smoke exhaust fan of high-temperature calcination section, and mouthful be provided with in exhaust heat and take out the waste heat pipeline and to take out waste heat fan, be sent to the air inlet of degreasing section heat supply blower fan by the waste heat pipeline.
The beneficial effects of the utility model are, the interval that is divided into several independent relative closures owing to each stage with the carrier calcining, each interval temperature control, the adjusting of ventilation, the adjusting of capacity, it is the independent adjusting automatically of purpose that the control of the time of staying all reaches process conditions with this stage calcination process control, simultaneously owing to adopted natural gas in combustion chambers burn, recycling in the hot flue gas stove, replenish the treatment measures of fresh air by the body of heater preheating, greatly satisfy enough ventilations, make material and hot-air that enough heat transfer intensities be arranged, shorten calcination time, make the organic abundant discharge of degreasing, this equipment is fuel savings both, cut down the consumption of energy, reduce the discharging of pollutant, simultaneously product yield and quality are improved significantly.
Four, description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model structure diagram;
Fig. 2 is low-temperature defatted section cross section structure schematic diagram of the utility model;
Fig. 3 is the utility model high-temperature calcination section cross section structure schematic diagram;
Fig. 4 is the utility model cooling section cross section structure schematic diagram.
Among the figure: 1 is the feed roller platform, and 2 is low-temperature defatted section, and 3 is to warm-air pipe, 4 is air-flow circulation fan housing, and 5 is valve, and 6 is circulating fan, 7 are the high-temperature calcination section, and 8 is burner, and 9 is to warm-air pipe, 10 is circulating fan, and 11 is cooling section, and 12 is to warm-air pipe, 13 are the heat supply blower fan, and 14 is burner, and 15 is gas pipeline, 16 are row's fat pipe, and 17 are the combustion air person in charge, and 18 is air-flow circulation fan housing, 19 is smoke exhaust pipe, and 20 for taking out waste heat fan, and 21 is smoke exhaust fan, 22 is the waste heat pipeline, and 23 is the discharge roller platform, and 24 for replenishing the fresh air airduct, 25 is roller rod transmission device, and 26 is low-temperature defatted section circulation airduct, and 27 is to hot leg pipe, 28 is smoke exhaust fan, and 29 are the waste discharge gas person in charge, and 30 are high-temperature calcination section circulation airduct, 31 is smoke exhaust pipe, and 32 is circulating fan, and 33 is cooling section circulation airduct, 34 is air-flow circulation fan housing, and 35 is hot blast manifold.
Five, the specific embodiment
To undertake the construction of one 63 meters roller bed type denitrating catalyst calcining furnace is example, and stove is high 2.2 meters, and the body of heater width is 3.2 meters, 63 meters of furnace main body steel construction total lengths.With 2100mm is a modulo unit joint, and 63 meters in full stove has 30 joints.Body of heater is made up of furnace wall main body, furnace roof and furnace bottom, and the body of heater metal framework adopts the absolute construction unit, adopts high-quality irregular square steel pipe to be welded, and the body of heater panel adopts cold-rolled steel sheet, surface spraying heat-resistant enamel paint, attractive and durable.Build part by laying bricks or stones, all adopt light-weight refractory heat-barrier material, pyroceram fibre hardboard.Full stove is totally 30 steel frame constructions, and its height, width can change to some extent with the furnace superintendent direction.Steelframe mainly by the lightweight square steel tube, adopt welding procedure, and remove welding slag, bead, and polish smooth at weld.Each connects with a bolt at the position, upper, middle and lower between per two joint steelframes.One layer thickness is the steel plate of 3mm on steelframe base cross members upper berth, and furnace wall and furnace bottom are directly built by laying bricks or stones on this steel plate.Steelframe is being born the total weight of furnace bottom, furnace wall, furnace roof and associated ping, equipment.Furnace brickwork stays the thermal expansion seam of establishing about 20mm every two meters on steel construction, tamp with the high alumina loose wool, and subsides one layer thickness is the alumina silicate cotton blanket of 20mm behind the refractory brick of the high-temperature part of calcining section.Furnace roof is combined to form a flat-tope structure accepted way of doing sth by laying the silicic acid cotton on the refractory ceramic fibre, because flat-top is little in amount of stored heat, thereby furnace heat is fully utilized.Because full stove is subregion control, each adjustment is interval to be disturbed mutually in order to reduce, flowing of control furnace gas, on furnace roof is built by laying bricks or stones, add at furnace roof and adopt refractory ceramic fibre plate or corrosion resistant plate to form to regulate fireguard in each subregion joint, hot flue gas is flow through from the product intermediate gap, thereby product is heated evenly.Furnace bottom is laid on the chassis base by insulating brick and fire-resistant light insulating brick, horizontal section is established two road 20mm dilatation joints, is vertically established the 20mm dilatation joint every 2 meters when building by laying bricks or stones, it is neat to adopt light weeight alumina brick to build by laying bricks or stones with roller rod end opening in each subregion joint at furnace bottom, form firebreak, hot flue gas is flow through from the product intermediate gap, reduce the interval interference mutually of each adjustment, control flowing of furnace gas.
Be divided into low-temperature defatted section 2 behind the whole piece stokehold, high-temperature calcination section 7 and cooling section 11 3 parts.Preceding 18 districts are low-temperature defatted section 2, wind circulating system in every district burner hearth is by low-temperature defatted section circulation airduct 26, be installed on a pair of air-flow circulation fan housing 4 of bottom of furnace body side, air intake valve 5, circulating fan 6 constitutes, on low-temperature defatted section circulation airduct 26, be provided with to hot leg pipe 27, replenish fresh air airduct 24 and circulated air tube valve 5, be provided with one on per 6 district's furnace roofs and give warm-air pipe 3, by communicating for low-temperature defatted section circulation airduct 26 of hot leg pipe 27 and every joint, give hot blast in the warm-air pipe 3 by the burner 14 that is arranged at side on the body of heater, gas pipeline 15 and combustion air are responsible for 17 combustion system and the cooling section waste heat airducts 22 that constitute and are provided, send into by heat supply blower fan 13, every district is provided with one of thermal resistance, the outlet of row's fat is arranged on place, circulated air inlet scoop in the stove, be responsible for 29 by row's fat pipe 16 with the waste discharge on being arranged at this section furnace roof and communicate, a waste discharge is set on the whole low-temperature defatted section body of heater is responsible for 29 and smoke exhaust fans 28.Whole low-temperature defatted section 2 hot blast is provided by 3 burners and cooling section waste heat, and 1 burner provides the hot flue gas in 6 districts, is sent to the inlet of each circulating fan 6, every district be provided with control of thermal resistance send into hot blast amount and the pairing cold blast rate control temperature; In 1-18 district degreasing section the outlet of row's fat is set, the outlet of row's fat is arranged on place, inlet scoop in the circulation wind furnace, and each row's fat mouth is controlled automatically, 18 shared smoke exhaust fans of exhaust outlet, each wind exhausting outlet pipeline be provided with pressure transmitter (± 250Pa) be used for air draft to control automatically, organic matter is handled the back directly discharges.Described high-temperature calcination section 7 is 6 districts altogether, all be provided with by circulating fan 10 in every district burner hearth, high-temperature calcination section circulation airduct 30, be installed on the wind circulating system of a pair of air-flow circulation fan housing 18 formations of bottom of furnace body side, every district's high-temperature calcination section circulation airduct 30 links to each other with the warm-air pipe 9 of giving on being arranged at furnace roof, a burner 8 is set for the porch of warm-air pipe 9, described burner 8 is responsible for 17 with gas pipeline 15 and combustion air and is constituted the combustion system, every district is provided with one of K type thermocouple, the combustion case of control burner 8 reaches the effect that realizes the control temperature, high-temperature calcination section top is provided with smoke exhaust pipe 31, link to each other with every joint smoke evacuation outlet respectively by smoke evacuation arm 19, and establish smoke exhaust fan 21 in smoke exhaust pipe 31 ends.The high-temperature calcination section is provided with one of smoke exhaust fan, a smoke evacuation outlet is set in each district of high temperature section, exhaust opening is arranged on circulation wind furnace inner outlet place, and each exhaust opening is controlled automatically, 6 shared High-temp. smoke-exhausting fans 21 of exhaust outlet, wind exhausting outlet be provided with pressure transmitter (± 250Pa) be used for air draft to control automatically, flue gas is sent to the cooling section concurrent heating.Described cooling section 11 also is provided with by circulating fan 32, cooling section circulation airduct 33, is installed on the wind circulating system that a pair of air-flow circulation fan housing 34 of bottom of furnace body side constitutes, its cooling section circulation airduct communicates with giving warm-air pipe 12 by hot blast manifold 35, link to each other for the air inlet of warm-air pipe 12 with the outlet of the smoke exhaust fan 21 of high-temperature calcination section, and mouthful be provided with in exhaust heat and take out waste heat pipeline 22 and to take out waste heat fan 20, be sent to the air inlet of degreasing section heat supply blower fan 13 by waste heat pipeline 22.The hot blast of cooling section 11 is from high-temperature calcination section flue gas, and every district is provided with a temperature and shows thermocouple; Cooling section is provided with exhaust heat mouth, exhaust heat mouth is arranged on circulation wind furnace inner outlet place, and each waste heat outlet control automatically, and 6 exhausts heat is 20 1 of waste heat fan mouthful altogether, waste heat outlet be provided with pressure transmitter (± 250Pa) be used for air draft to control automatically, waste heat is sent to degreasing section waste heat pipe.By above-mentioned hot air circulation utilization, not only energy savings consumption greatly, and improve calcination environment, product quality is improved significantly.

Claims (2)

1. roller bed type environmental protection denitrating catalyst degreasing calcining furnace, it is by the feed roller platform, discharge roller platform and by steel structure frame, the insulated wall that insulation material is built by laying bricks or stones, the live-roller rod, the calcining furnace that outside transmission mechanism is formed constitutes, it is characterized in that: be provided with in every district burner hearth of calcining furnace by a pair of air-flow circulation fan housing that is installed on the bottom of furnace body side, a circulating fan, the circulation airduct, the wind circulating system of air intake valve and the export mixes of row's fat, and be provided with to warm-air pipe and hot-wind inlet and cold air inlet at the top, be provided with a waste discharge on the body of heater and be responsible for and a waste discharge blower fan, the hot blast of giving warm-air pipe is by the neat gas burner that is arranged at upper of furnace body, circulating fan, gas pipeline and combustion air are responsible for the hot air circulation heating system of forming and are provided; Be divided into low-temperature defatted section, high-temperature calcination section and cooling section three parts behind the whole piece stokehold.
2. roller bed type environmental protection denitrating catalyst degreasing calcining furnace according to claim 1, it is characterized in that: the wind circulating system in described low-temperature defatted section (2) every district burner hearth is by low-temperature defatted section circulation airduct (26), be installed on a pair of air-flow circulation fan housing (4) of bottom of furnace body side, air intake valve (5), circulating fan (6) constitutes, on low-temperature defatted section circulation airduct (26), be provided with to hot leg pipe (27), replenish fresh air airduct (24) and circulated air tube valve (5), be provided with one on per 6 district's furnace roofs and give warm-air pipe (3), by communicate for hot leg pipe (27) with low-temperature defatted section circulation airduct of every joint (26), give the interior hot blast of warm-air pipe (3) by the burner that is arranged at side on the body of heater (14), combustion system and cooling section waste heat airduct (22) that gas pipeline (15) and combustion air are responsible for (17) formation provide, send into by heat supply blower fan (13), every district is provided with one of thermal resistance, the outlet of row's fat is arranged on place, circulated air inlet scoop in the stove, be responsible for (29) by row's fat pipe (16) and waste discharge gas and communicate, waste discharge gas is responsible for (29) and is connected smoke exhaust fan (28); All be provided with by circulating fan (10) in every district burner hearth of described high-temperature calcination section (7), high-temperature calcination section circulation airduct (30), be installed on the wind circulating system of a pair of air-flow circulation fan housing (18) formation of bottom of furnace body side, every district's high-temperature calcination section circulation airduct (30) links to each other with the warm-air pipe (9) of giving on being arranged at furnace roof, a burner (8) is set for the porch of warm-air pipe (9), described burner (8) is responsible for (17) with gas pipeline (15) and combustion air and is constituted the combustion system, every district is provided with one of K type thermocouple, the combustion case of control burner (8) reaches the effect that realizes the control temperature, high-temperature calcination section top is provided with smoke exhaust pipe (31), link to each other with every joint smoke evacuation outlet respectively by smoke evacuation arm (19), and establish smoke exhaust fan (21) in smoke exhaust pipe (31) end; Described cooling section (11) also is provided with by circulating fan (32), cooling section circulation airduct (33), is installed on the wind circulating system that a pair of air-flow circulation fan housing (34) of bottom of furnace body side constitutes, its cooling section circulation airduct communicates with giving warm-air pipe (12) by hot blast manifold (35), link to each other for the air inlet of warm-air pipe (12) with the outlet of the smoke exhaust fan (21) of high-temperature calcination section, and mouthful be provided with in exhaust heat and take out waste heat pipeline (22) and to take out waste heat fan (20), be sent to the air inlet of degreasing section heat supply blower fan (13) by waste heat pipeline (22).
CN2010206982294U 2010-12-29 2010-12-29 Environmentally-friendly roller table type de nitration catalyst calcining furnace with degreasing function Expired - Fee Related CN202008289U (en)

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CN2010206982294U CN202008289U (en) 2010-12-29 2010-12-29 Environmentally-friendly roller table type de nitration catalyst calcining furnace with degreasing function

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CN2010206982294U CN202008289U (en) 2010-12-29 2010-12-29 Environmentally-friendly roller table type de nitration catalyst calcining furnace with degreasing function

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197726A (en) * 2014-08-11 2014-12-10 湖北大别山窑炉产业研究设计院有限公司 Online waste removing system for waste discharge area of plate type SCR denitration catalyst calcinator
CN104315843A (en) * 2014-10-28 2015-01-28 黄冈市华窑中瑞窑炉有限公司 Vertical recycling, drying and calcining furnace for SCR (selective catalytic reduction) denitration catalysts
CN106643137A (en) * 2016-12-07 2017-05-10 凤城市宝山炭素有限公司 Novel energy-saving environment-friendly trolley furnace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197726A (en) * 2014-08-11 2014-12-10 湖北大别山窑炉产业研究设计院有限公司 Online waste removing system for waste discharge area of plate type SCR denitration catalyst calcinator
CN104315843A (en) * 2014-10-28 2015-01-28 黄冈市华窑中瑞窑炉有限公司 Vertical recycling, drying and calcining furnace for SCR (selective catalytic reduction) denitration catalysts
CN106643137A (en) * 2016-12-07 2017-05-10 凤城市宝山炭素有限公司 Novel energy-saving environment-friendly trolley furnace

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C17 Cessation of patent right
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Granted publication date: 20111012

Termination date: 20121229