CN202032874U - Integrated tunnel kiln with functions including drying, baking and power generation by waste heat - Google Patents

Integrated tunnel kiln with functions including drying, baking and power generation by waste heat Download PDF

Info

Publication number
CN202032874U
CN202032874U CN2011200423258U CN201120042325U CN202032874U CN 202032874 U CN202032874 U CN 202032874U CN 2011200423258 U CN2011200423258 U CN 2011200423258U CN 201120042325 U CN201120042325 U CN 201120042325U CN 202032874 U CN202032874 U CN 202032874U
Authority
CN
China
Prior art keywords
segment
waste heat
drying
heat
oven dry
Prior art date
Application number
CN2011200423258U
Other languages
Chinese (zh)
Inventor
高庆祥
Original Assignee
高庆祥
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 高庆祥 filed Critical 高庆祥
Priority to CN2011200423258U priority Critical patent/CN202032874U/en
Application granted granted Critical
Publication of CN202032874U publication Critical patent/CN202032874U/en

Links

Classifications

    • 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
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The utility model relates to an integrated tunnel kiln with functions including drying, baking and power generation by waste heat, belongs to the continuous flame heating kiln field. The tunnel kiln comprise a drying segment, a pre-heating segment and a baking segment which are connected successively while in communication with each other; the end of the baking segment is connected with a device for power generation by waste heat; a hot air duct in communication with the pre-heating segment is disposed on the top of the drying segment; an air supply gate in communication with the drying segment and a hot air gate in communication with the pre-heating segment are disposed in the hot air duct; both sides of the drying segment are provided humidity exhaust openings in communication with air exhaust channels on both sides of the drying segment; the outlets of each air exhaust channels are connected with a fan; all the hot air gate, air feed gate and air exhaust openings are respectively provided with an air pressure controller. The tunnel kiln is integrated with the functions of drying, baking and power generation by waste heat; has a simple structure; is arranged compactly; needs no change to technical process; can recover and utilize waste heat by the device for power generation by waste heat, thereby saves energy, reduces emission, improves economic benefit, and protects the environment at the same time; reduces machine use and electric energy consumption to 50%, reduces the in-kiln energy, reduces heat loss, and avoids the pollution caused by discharging heat and powder directly.

Description

Oven dry roasting cogeneration one tunnel cave
Technical field
The utility model relates to a kind of oven dry roasting cogeneration one tunnel cave, belongs to continuous flame heat kiln.
Background technology
Traditional Drying tunnel kiln, roasting tunnel cave adopt and divide body structure, hot cigarette runs in Drying tunnel kiln and the roasting tunnel cave, after product is admitted to kiln, need each two of kiln car pusher and ferry buses (being arranged on the ferry-boat line) that product is changed at different production kilns, and air-heater and exhaust blower are sent in setting simultaneously, mechanical energy consumption is big, and fan efficiency is low; In this process, furnace door needs twice of folding (each about 10 minutes), and measurement result shows, the every folding of furnace door is (10 minutes) once, and kiln temperature descends 10 ℃, and this just makes heat not make full use of, need to heat up again after closing furnace door, power consumption is big, and because the folding of kiln directly enters in the atmosphere partial heat energy and hot cigarette, environment is caused certain heat energy and smoke contamination; And the conventional tunnel kiln exists jointly, and a defective---utilization rate of waste heat is lower, except that part enterprise is used for waste heat the raw material stoving, most enterprises do not fire tunnel cave the fully recycling of cooling heat (temperature is up to 800~1200 ℃) of product, thereby cause a large amount of energy wastes and thermal source to pollute, these problems all have to be solved.
The utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: a kind of oven dry roasting cogeneration one tunnel cave that can reduce mechanical energy and heat energy loss, abundant recovery waste heat and utilize cogeneration is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of oven dry roasting cogeneration one tunnel cave, it is characterized in that: the oven dry section that is communicated with in turn before and after comprising, preheating section and furnace zone, the terminal device for generating power by waste heat that connects of furnace zone, oven dry section top is provided with a hot-flow flue that is communicated with preheating section, be provided with air inlet that is communicated with the oven dry section and the hot-air mouth that is communicated with preheating section in the hot-flow flue, the both sides of oven dry section are provided with the humidity discharging mouth, the humidity discharging mouth is connected with the exhausting duct of oven dry section both sides, the outlet of exhausting duct connects blower fan, hot-air mouth, air inlet and humidity discharging mouth place all are provided with Pneumatic controller.
Because after the sintered article sintering finishes, itself have certain waste heat, discharge the chemical heat of being contained fully at furnace zone, and taken out of with the form of high-temperature flue gas.This characteristic makes sintered article will utilize the high-temperature flue gas in tunnel in oven dry and warm, the small part heat that 100 ℃~300 ℃ waste heat and himself burning produce, and the heat that satisfies dry base substrate is required.Because the temperature after sintered article burns till is higher, usually between 800 ℃ to 1200 ℃, needing could kiln discharge after the cooling.After device for generating power by waste heat is set, this part heat fully can be reclaimed, utilize its heat to generate electricity and heat supply, to reach energy-saving and emission-reduction, improve the purpose of business economic benefit.
Operation principle and process:
The base substrate of product is introduced into the oven dry section, because oven dry section, preheating section, furnace zone inside communicates, therefore the flue gas and the hot blast that roasting in the furnace zone can be produced by blower fan sucks the oven dry section by preheating section, moisture content in the oven dry section base substrate is converted into steam is discharged through exhausting duct by the humidity discharging mouth, in this process, hot-air mouth, the Pneumatic controller that air inlet and humidity discharging mouth place are provided with in the tunnel cave just, negative pressure transfers to equalization point, keep kiln internal gas pressure balance, the base substrate of oven dry enters preheating section and is warming up to burning continuously, move to the furnace zone sintering, product temperature reached 800 ℃~1200 ℃ after sintering was finished, product operation enters device for generating power by waste heat, the roasting finished product by device for generating power by waste heat after heat be absorbed cooling.Wherein, described device for generating power by waste heat is device conventional or that can realize, its operation principle and process are same as the prior art, detailed process is as follows: the product heat is absorbed by the heat-exchanger rig in the device for generating power by waste heat and becomes steam, steam enters steam-water separator by pipeline, isolated water enters heat-exchanger rig again by down-comer and becomes saturated vapor, and saturated vapor enters the superheater heating by pipeline and becomes superheated steam, and superheated steam enters steam turbine power generation by pipeline.
This tunnel cave integrates oven dry, preheating, roasting and four operations of cogeneration, after product is admitted to tunnel cave, will finish oven dry, preheating, roasting and cogeneration process in the lump in kiln, simple in structure, arrange compactness, do not take unnecessary place, need not to change technological process.This oven dry roasting cogeneration one tunnel cave is compared with traditional kiln, utilizes device for generating power by waste heat with heat recovery, on the one hand energy-saving and emission-reduction, has increased economic benefit, on the other hand environment has been protected in the waste heat recovery of contaminated environment product; Owing to reduced the usage quantity of blower fan, kiln car pusher, Ferrying machine, can reduce therefore that machinery uses and electric energy reaches 50%; No unnecessary kiln folding step is compared traditional kiln in operation, has reduced by 50% wicket folding, has reduced energy consumption in the stove, has utilized limited heat to greatest extent, has both reduced the lost link of heat, has avoided the direct exhaust emission of heating power and dust again.
The beneficial effect that the utility model had is: a kind of oven dry roasting cogeneration one tunnel cave is provided, integrate oven dry, preheating, roasting and four operations of cogeneration, simple in structure, arrange compact, do not take unnecessary place, need not to change technological process, utilize device for generating power by waste heat heat recovery, on the one hand energy-saving and emission-reduction, increased economic benefit, on the other hand environment has been protected in the waste heat recovery of contaminated environment product; Owing to reduced the usage quantity of blower fan, kiln car pusher, Ferrying machine, can reduce therefore that machinery uses and electric energy reaches 50%; No unnecessary kiln folding step has reduced energy consumption in the stove in operation, has utilized limited heat to greatest extent, has both reduced the lost link of heat, has avoided the direct exhaust emission of heating power and dust again.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the sectional drawing of oven dry section;
Fig. 3 is the sectional drawing of preheating section.
Among the figure: 1, oven dry section; 2, hot-flow flue; 3, preheating section; 4, furnace zone; 5, device for generating power by waste heat; 6, exhausting duct; 7, blower fan; 8, air inlet; 9, humidity discharging mouth; 10, hot-air mouth
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
Shown in Fig. 1~3, the oven dry section 1, preheating section 3 and the furnace zone 4 that are communicated with in turn before and after oven dry roasting cogeneration one tunnel cave comprises, the furnace zone 4 terminal device for generating power by waste heat 5 that connect, oven dry section 1 top is provided with a hot-flow flue 2 that is communicated with preheating section 3, be provided with air inlet 8 that is communicated with oven dry section 1 and the hot-air mouth 10 that is communicated with preheating section 3 in the hot-flow flue 2, the both sides of oven dry section 1 are provided with humidity discharging mouth 9, humidity discharging mouth 9 is connected with the exhausting duct 6 of oven dry section 1 both sides, the outlet of exhausting duct 6 connects blower fan 7, and hot-air mouth 10, air inlet 8 and humidity discharging mouth 9 places all are provided with Pneumatic controller.
Because after the sintered article sintering finishes, itself have certain waste heat, discharge the chemical heat of being contained fully at furnace zone 4, and taken out of with the form of high-temperature flue gas.This characteristic makes sintered article will utilize the high-temperature flue gas in tunnel in oven dry and warm, the small part heat that 100 ℃~300 ℃ waste heat and himself burning produce, and the heat that satisfies dry base substrate is required.Because the temperature after sintered article burns till is higher, usually between 800 ℃ to 1200 ℃, needing could kiln discharge after the cooling.After device for generating power by waste heat 5 is set, this part heat fully can be reclaimed, utilize its heat to generate electricity and heat supply, to reach energy-saving and emission-reduction, improve the purpose of business economic benefit.
Operation principle and process:
The base substrate of product is introduced into oven dry section 1, because oven dry section 1, preheating section 3, furnace zone 4 inside communicate, therefore the flue gas and the hot blast that roasting in the furnace zone 4 can be produced by blower fan 7 sucks oven dry section 1 by preheating section 3, moisture content in the base substrate is converted into steam is discharged through exhausting duct 6 by humidity discharging mouth 9, in this process, hot-air mouth 10, the Pneumatic controller that air inlet 8 and humidity discharging mouth 9 places are provided with in the tunnel cave just, negative pressure transfers to equalization point, keep kiln internal gas pressure balance, the base substrate of oven dry enters preheating section 3 and is warming up to burning continuously, move to furnace zone 4 sintering, product temperature reached 800 ℃~1200 ℃ after sintering was finished, the product operation enters device for generating power by waste heat 5, and the roasting finished product is absorbed cooling by device for generating power by waste heat 5 back heats.Wherein, described device for generating power by waste heat 5 is device conventional or that can realize, its operation principle and process are same as the prior art, detailed process is as follows: the product heat is absorbed by the heat-exchanger rig in the device for generating power by waste heat and becomes steam, steam enters steam-water separator by pipeline, isolated water enters heat-exchanger rig again by down-comer and becomes saturated vapor, and saturated vapor enters the superheater heating by pipeline and becomes superheated steam, and superheated steam enters steam turbine power generation by pipeline.
This tunnel cave integrates oven dry, preheating, roasting and four operations of cogeneration, after product is admitted to tunnel cave, will finish oven dry, preheating, roasting and cogeneration process in the lump in kiln, simple in structure, arrange compactness, do not take unnecessary place, need not to change technological process.This oven dry roasting cogeneration one tunnel cave is compared with traditional kiln, utilizes device for generating power by waste heat 5 with heat recovery, on the one hand energy-saving and emission-reduction, has increased economic benefit, on the other hand environment has been protected in the waste heat recovery of contaminated environment product; Owing to reduced the usage quantity of blower fan, kiln car pusher, Ferrying machine, can reduce therefore that machinery uses and electric energy reaches 50%; No unnecessary kiln folding step is compared traditional kiln in operation, has reduced by 50% wicket folding, has reduced energy consumption in the stove, has utilized limited heat to greatest extent, has both reduced the lost link of heat, has avoided the direct exhaust emission of heating power and dust again.

Claims (1)

1. dry roasting cogeneration one tunnel cave for one kind, it is characterized in that: the oven dry section (1) that is communicated with in turn before and after comprising, preheating section (3) and furnace zone (4), the terminal device for generating power by waste heat (5) that connects of furnace zone (4), oven dry section (1) top is provided with a hot-flow flue (2) that is communicated with preheating section (3), be provided with air inlet (8) that is communicated with oven dry section (1) and the hot-air mouth (10) that is communicated with preheating section (3) in the hot-flow flue (2), the both sides of oven dry section (1) are provided with humidity discharging mouth (9), humidity discharging mouth (9) is connected with the exhausting duct (6) of oven dry section (1) both sides, the outlet of exhausting duct (6) connects blower fan (7), hot-air mouth (10), air inlet (8) and humidity discharging mouth (9) locate all to be provided with Pneumatic controller.
CN2011200423258U 2011-02-21 2011-02-21 Integrated tunnel kiln with functions including drying, baking and power generation by waste heat CN202032874U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200423258U CN202032874U (en) 2011-02-21 2011-02-21 Integrated tunnel kiln with functions including drying, baking and power generation by waste heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200423258U CN202032874U (en) 2011-02-21 2011-02-21 Integrated tunnel kiln with functions including drying, baking and power generation by waste heat

Publications (1)

Publication Number Publication Date
CN202032874U true CN202032874U (en) 2011-11-09

Family

ID=44895168

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200423258U CN202032874U (en) 2011-02-21 2011-02-21 Integrated tunnel kiln with functions including drying, baking and power generation by waste heat

Country Status (1)

Country Link
CN (1) CN202032874U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538495A (en) * 2012-02-20 2012-07-04 林世鸿 Waste-heat utilization power generating system for multi-tunnel kiln
CN103900377A (en) * 2014-04-15 2014-07-02 醴陵市阳东电瓷电器有限公司 Electric porcelain stick type pillar fuel gas tunnel kiln
CN103913062A (en) * 2014-04-18 2014-07-09 松阳县中奇环境工程有限公司 Energy-saving tunnel reduction kiln
CN104457227A (en) * 2014-10-29 2015-03-25 彭州市半陶陶瓷有限公司 Split type tunnel kiln
CN104654811A (en) * 2013-11-21 2015-05-27 新疆华建陶瓷有限公司 Afterheat recycling device
CN108489286A (en) * 2018-03-20 2018-09-04 河南建筑材料研究设计院有限责任公司 A kind of self-sufficient tunnel oven production technology of cogeneration

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538495A (en) * 2012-02-20 2012-07-04 林世鸿 Waste-heat utilization power generating system for multi-tunnel kiln
CN104654811A (en) * 2013-11-21 2015-05-27 新疆华建陶瓷有限公司 Afterheat recycling device
CN103900377A (en) * 2014-04-15 2014-07-02 醴陵市阳东电瓷电器有限公司 Electric porcelain stick type pillar fuel gas tunnel kiln
CN103913062A (en) * 2014-04-18 2014-07-09 松阳县中奇环境工程有限公司 Energy-saving tunnel reduction kiln
CN103913062B (en) * 2014-04-18 2016-05-04 松阳县中奇环境工程有限公司 A kind of energy-saving tunnel reduction kiln
CN104457227A (en) * 2014-10-29 2015-03-25 彭州市半陶陶瓷有限公司 Split type tunnel kiln
CN104457227B (en) * 2014-10-29 2016-07-27 彭州市半陶陶瓷有限公司 A kind of split type tunnel cave
CN108489286A (en) * 2018-03-20 2018-09-04 河南建筑材料研究设计院有限责任公司 A kind of self-sufficient tunnel oven production technology of cogeneration

Similar Documents

Publication Publication Date Title
CN106179284B (en) A kind of device of high-temperature thermal regeneration activated carbon
CN201233183Y (en) Waste heat recovery system for tunnel kiln
CN201583131U (en) Afterheat utilization system of tunnel furnace
CN201254529Y (en) Cement clinker calcination system
CN103145328B (en) A kind of method of basalt blast furnace slag in preparation of rock wool board comprehensive utilization
CN103708452B (en) A kind of autothermal continuously carbonizing activation working method of biomass and device thereof
CN204141989U (en) A kind of energy-saving double-layer fuel gas table kiln
CN102661666A (en) Tail gas utilization method and tail gas utilization system of rotary lime kiln
CN104566487B (en) Totally-enclosed flue gas circulation system of straw gasification stove
CN203687533U (en) Tea dryer
CN102649550A (en) Carbonization-activation integrated activated carbon production apparatus
CN204535342U (en) A kind of ceramic high temperature drying unit
CN203432296U (en) Energy-saving ceramic kiln
CN205316896U (en) But automatic temperature adjustment's drying -machine for wickerwork
CN202907777U (en) Air source hot pump type tobacco leaf baking room
CN101829649A (en) Drying oven for spraying
CN201517887U (en) Ceramic kiln
CN104121591B (en) A kind of efficient energy-saving incinerator
CN102494529A (en) Constant-temperature drying box utilizing flue gas waste heat for heating
CN201338429Y (en) Iron-printing product ink drying device
CN202141309U (en) Integration device of biomass fuel burning and residual-heat utilization
CN205316352U (en) RTO system with tail gas waste heat recovery function
CN201885528U (en) Chain part drying equipment
CN205262173U (en) Double -deck sintering furnace
CN205228024U (en) Drying system of adobe

Legal Events

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

Granted publication date: 20111109

Termination date: 20170221

CF01 Termination of patent right due to non-payment of annual fee