CN202993536U - Coal-fired hot blast furnace set with waste heat boiler - Google Patents

Coal-fired hot blast furnace set with waste heat boiler Download PDF

Info

Publication number
CN202993536U
CN202993536U CN 201220713093 CN201220713093U CN202993536U CN 202993536 U CN202993536 U CN 202993536U CN 201220713093 CN201220713093 CN 201220713093 CN 201220713093 U CN201220713093 U CN 201220713093U CN 202993536 U CN202993536 U CN 202993536U
Authority
CN
China
Prior art keywords
waste heat
heat boiler
coal
fired hot
blast stove
Prior art date
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
CN 201220713093
Other languages
Chinese (zh)
Inventor
童永清
黄斌
吴小雪
郑乾四
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU MEIBAO KILN ENGINEERING Co Ltd
Original Assignee
HANGZHOU MEIBAO KILN ENGINEERING Co Ltd
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 HANGZHOU MEIBAO KILN ENGINEERING Co Ltd filed Critical HANGZHOU MEIBAO KILN ENGINEERING Co Ltd
Priority to CN 201220713093 priority Critical patent/CN202993536U/en
Application granted granted Critical
Publication of CN202993536U publication Critical patent/CN202993536U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Air Supply (AREA)

Abstract

The utility model provides a coal-fired hot blast furnace set with a waste heat boiler. The coal-fired hot blast furnace comprises a furnace body, a coal-fired hot blast furnace, a waste heat boiler, a smoke recovery pipe, and a smoke draft fan, wherein the coal-fired hot blast furnace, the waste heat boiler and the smoke recovery pipe are respectively disposed in the furnace body and the smoke draft fan is connected with the smoke recovery pipe. The waste heat boiler is combined with the coal-fired hot blast furnace, so that cost is lowered greatly. Exhaust is utilized fully, discharge temperature is low, thermal utilization rate is high, fuel cost is lowered, and exhaust emission is environment-friendly and needs no dust removal.

Description

Coal-fired hot-blast stove with waste heat boiler
Technical field
The utility model is specifically related to the coal-fired hot-blast stove with waste heat boiler.
Background technology
Steam (hot water) boiler is a lot of factories public work equipment commonly used, the general mode that adopts independent operating, coal on needs, slag tap, a series of technical process such as tails dedusting purification, tail gas desulfurization, therefore the working environment of workers is poor, the operating cost of vent gas treatment is high, equipment is many, and fault rate is also high, and the thermal efficiency of coal is low.Provide heat if originally need to use hot flue gas in producing, develop a kind of coal-fired hot-blast stove with waste heat boiler just highly significant.
Summary of the invention
Technical problem to be solved in the utility model is to provide the coal-fired hot-blast stove with waste heat boiler, adopt waste heat boiler and coal-fired hot-blast stove to combine, can greatly reduce costs, tail gas is fully utilized, exhaust temperature is low, heat utilization efficiency is high, and fuel cost descends, and the exhaust emissions environmental protection also need not dedusting.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: with the coal-fired hot-blast stove of waste heat boiler, comprise body of heater, be located at respectively coal-fired hot-blast stove, waste heat boiler, flue gas reuse pipeline in body of heater, the smoke induced draught fan that is connected with flue gas reuse pipeline.
as preferably, be provided with the high temperature purification chamber that is communicated with coal-fired hot-blast stove in described body of heater, described high temperature purification chamber respectively with waste heat boiler, flue gas reuse pipeline communication, described waste heat boiler and flue gas reuse pipeline communication, the high-temperature gas that this structure coal-fired hot-blast stove produces enters the high temperature purification chamber, after part heat purifies with the form of the high-cleanness high-temperature flue gas thermal source as waste heat boiler, the tail gas that waste heat boiler produces enters in flue gas reuse pipeline by the smoke induced draught fan effect, owing to having advantages of high-cleanness from high temperature purification chamber high-temperature gas out, therefore final tail gas does not need other dedusting, the discharging environmental protection.
As preferably, described high temperature purification chamber and flue gas reuse pipeline junction are provided with wind mixed chamber, the middle cryogenic gas that this structure wind mixed chamber discharges waste heat boiler and high temperature purification chamber purify out high-temperature gas mix, and sneak into a certain amount of normal temperature air according to the technique needs and be used for the explained hereafter heat supply after temperature to meet the requirements of, reasonable in design, can take full advantage of tail gas, heat utilization efficiency is higher.
As preferably, indoor waste heat boiler one side that is positioned at of described high temperature purification has additional the second high-temperature gate valve, and this structure the second high-temperature gate valve can be regulated and enter what of waste heat boiler heat, and is easy to operate.
As preferably, indoor wind mixed chamber's one side that is positioned at of described high temperature purification has additional for the first high-temperature gate valve of regulating high-temperature flue gas, and this structure the first high-temperature gate valve can be regulated the distribution of high temperature purification chamber gas out, and is easy to operate.
Beneficial effect:
The utility model employing technique scheme provides the coal-fired hot-blast stove with waste heat boiler, this structure adopts waste heat boiler and coal-fired hot-blast stove to combine, can greatly reduce costs, tail gas is fully utilized, exhaust temperature is low, heat utilization efficiency is high, and fuel cost descends, and the exhaust emissions environmental protection also need not dedusting.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, with the coal-fired hot-blast stove of waste heat boiler, comprise body of heater 1, the smoke induced draught fan 5 that is located at coal-fired hot-blast stove 2 in body of heater 1, waste heat boiler 3, flue gas reuse pipeline 4 respectively, is connected with flue gas reuse pipeline 4.Be provided with the high temperature purification chamber 6 that is communicated with coal-fired hot-blast stove 2 in described body of heater 1, described high temperature purification chamber 6 is communicated with waste heat boiler 3, flue gas reuse pipeline 4 respectively, and described waste heat boiler 3 is communicated with flue gas reuse pipeline 4.Described high temperature purification chamber 6 is provided with wind mixed chamber 7 with flue gas reuse pipeline 4 junctions.Be positioned at waste heat boiler 3 one sides in described high temperature purification chamber 6 and have additional the second high-temperature gate valve 9.Being positioned at wind mixed chamber's 7 one sides in described high temperature purification chamber 6 has additional for the first high-temperature gate valve 8 of regulating high-temperature flue gas.
during practical operation, this structure comprises the coal-fired hot-blast stove 2 that high-temperature gas is provided, be communicated with the air purifying room 6 that is used for Purge gas with coal-fired hot-blast stove 2, the waste heat boiler 3 that is communicated with air purifying room 6, with the flue gas reuse pipeline 4 of waste heat boiler 3 connections and the smoke induced draught fan 5 that is connected with flue gas reuse pipeline 4, the high-temperature gas that coal-fired hot-blast stove 2 produces enters high temperature purification chamber 6, after part heat purifies with the form of the high-cleanness high-temperature flue gas thermal source as waste heat boiler 3, the tail gas that waste heat boiler 3 produces enters in flue gas reuse pipeline 4 by smoke induced draught fan 5 effects, because 6 out high-temperature gases have advantages of high-cleanness from the high temperature purification chamber, therefore final tail gas does not need other dedusting, the discharging environmental protection, the middle cryogenic gas that this structure wind mixed chamber 7 discharges waste heat boiler 3 and high temperature purification chamber 6 purifications out high-temperature gas mix, and sneak into a certain amount of normal temperature air according to the technique needs and be used for the explained hereafter heat supply after temperature to meet the requirements of, reasonable in design, can take full advantage of tail gas, heat utilization efficiency is higher, this structure the second high-temperature gate valve 9 can be regulated and enter what of waste heat boiler 3 heats, easy to operate, the first high-temperature gate valve 8 can be regulated the distribution of high temperature purification chamber 6 gas out, easy to operate, can be by the distribution of high temperature brake plates valve regulation two-way flue gas, also can close a certain branch road or close two branch roads, this structure adopts waste heat boiler and coal-fired hot-blast stove to combine, can greatly reduce costs, tail gas is fully utilized, exhaust temperature is low, heat utilization efficiency is high, fuel cost descends, the exhaust emissions environmental protection also need not dedusting.
Specific embodiment described herein is only to the explanation for example of the utility model spirit, the utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (5)

1. with the coal-fired hot-blast stove of waste heat boiler, it is characterized in that: comprise body of heater (1), be located at respectively coal-fired hot-blast stove (2), waste heat boiler (3), flue gas reuse pipeline (4) in body of heater (1), the smoke induced draught fan (5) that is connected with flue gas reuse pipeline (4).
2. the coal-fired hot-blast stove with waste heat boiler according to claim 1, it is characterized in that: be provided with the high temperature purification chamber (6) that is communicated with coal-fired hot-blast stove (2) in described body of heater (1), described high temperature purification chamber (6) is communicated with waste heat boiler (3), flue gas reuse pipeline (4) respectively, and described waste heat boiler (3) is communicated with flue gas reuse pipeline (4).
3. the coal-fired hot-blast stove with waste heat boiler according to claim 2 is characterized in that: described high temperature purification chamber (6) is provided with wind mixed chamber (7) with flue gas reuse pipeline (4) junction.
4. the coal-fired hot-blast stove with waste heat boiler according to claim 2, is characterized in that: be positioned at waste heat boiler (3) one sides in described high temperature purification chamber (6) and have additional the second high-temperature gate valve (9).
5. the coal-fired hot-blast stove with waste heat boiler according to claim 3, is characterized in that: be positioned at wind mixed chamber's (7) one sides in described high temperature purification chamber (6) and have additional for the first high-temperature gate valve (8) of regulating high-temperature flue gas.
CN 201220713093 2012-12-20 2012-12-20 Coal-fired hot blast furnace set with waste heat boiler Expired - Fee Related CN202993536U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220713093 CN202993536U (en) 2012-12-20 2012-12-20 Coal-fired hot blast furnace set with waste heat boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220713093 CN202993536U (en) 2012-12-20 2012-12-20 Coal-fired hot blast furnace set with waste heat boiler

Publications (1)

Publication Number Publication Date
CN202993536U true CN202993536U (en) 2013-06-12

Family

ID=48564711

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220713093 Expired - Fee Related CN202993536U (en) 2012-12-20 2012-12-20 Coal-fired hot blast furnace set with waste heat boiler

Country Status (1)

Country Link
CN (1) CN202993536U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106679171A (en) * 2017-02-15 2017-05-17 黎汉东 Ordinary pressure hot-gas boiler
CN109028569A (en) * 2018-09-09 2018-12-18 无锡博众热能环保设备有限公司 A kind of flue gas complete alternation hot-blast stove
CN111457765A (en) * 2020-04-13 2020-07-28 东方电气集团东方锅炉股份有限公司 Fluidized bed solid particle heat exchange system
CN113959213A (en) * 2021-09-18 2022-01-21 阿克苏嘉邦肥业有限公司 Production process combining waste heat boiler and rotary drum compound fertilizer drying furnace

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106679171A (en) * 2017-02-15 2017-05-17 黎汉东 Ordinary pressure hot-gas boiler
CN109028569A (en) * 2018-09-09 2018-12-18 无锡博众热能环保设备有限公司 A kind of flue gas complete alternation hot-blast stove
CN109028569B (en) * 2018-09-09 2024-01-05 无锡博众热能环保设备有限公司 Flue gas full-cycle hot-blast stove
CN111457765A (en) * 2020-04-13 2020-07-28 东方电气集团东方锅炉股份有限公司 Fluidized bed solid particle heat exchange system
CN113959213A (en) * 2021-09-18 2022-01-21 阿克苏嘉邦肥业有限公司 Production process combining waste heat boiler and rotary drum compound fertilizer drying furnace

Similar Documents

Publication Publication Date Title
CN202709159U (en) Boiler capable of meeting full-load operation low exhaust temperature of selective catalytic reduction (SCR) denitration device
CN109966812A (en) A kind of cement kiln end denitrating flue gas and system, the process of waste heat recycling
CN103604116A (en) Device and method for reducing oxynitrides smoke product of circulating fluidized bed boiler
CN202993536U (en) Coal-fired hot blast furnace set with waste heat boiler
CN203595119U (en) Device capable of reducing nitric oxides in flue gas product of circulating fluidized bed boiler
CN203373366U (en) Hot-blast stove system for achieving high blast temperature by only burning blast furnace
CN112915724A (en) Integrated removal system and method for multiple pollutants in flue gas
CN202018186U (en) System using boiler flue gas waste heat for drying brown coal
CN110354772A (en) A kind of flue gas directly draws denitration urea pyrolysis device and method
CN204534555U (en) A kind of flue gas recirculation device for reducing NO_x formation
CN204395745U (en) A kind of clean exhaust system for fluidized-bed combustion boiler
CN103320561A (en) Hot-blast stove system for high air temperature by using pure blast furnace gas and method thereof
CN202692019U (en) Flue gas waste heat recycling system of steam boiler
CN202056856U (en) System for recycling afterheat of flue gas through high-temperature coal economizer
CN103333976B (en) Flue gas waste heat utilization system and flue gas waste heat utilization method of hot blast furnace
CN206347586U (en) Catalytic combustion system
CN102829617A (en) Waste gas heat energy environmental-friendly comprehensive utilization device
CN202057204U (en) Waste gas desulfuration and dust control device of carbon calcining furnace
CN202470782U (en) Secondary smoke residual heat utilization system for hot blast stove
CN213687922U (en) Cascade utilization system for flue gas waste heat of alkali furnace
CN203373367U (en) Smoke waste-heat utilization system of hot blast furnace
CN201149425Y (en) System of calcium carbide stove for recovering CO
CN203687658U (en) Double-chamber heat accumulating type lime shaft kiln smoke heat exchange pipeline
CN202993541U (en) Coal-fired hot blast furnace set with heat transfer oil furnace
CN205391950U (en) Device is used multipurposely to tail gas

Legal Events

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

Granted publication date: 20130612

Termination date: 20211220

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