CN202171240U - Waste heat boiler of glass annealing kiln - Google Patents
Waste heat boiler of glass annealing kiln Download PDFInfo
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- CN202171240U CN202171240U CN2011202485738U CN201120248573U CN202171240U CN 202171240 U CN202171240 U CN 202171240U CN 2011202485738 U CN2011202485738 U CN 2011202485738U CN 201120248573 U CN201120248573 U CN 201120248573U CN 202171240 U CN202171240 U CN 202171240U
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- temperature
- air inlet
- waste heat
- oxygen
- lear
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Abstract
The utility model discloses a waste heat boiler of a glass annealing kiln. A boiler body is provided with a high-temperature air inlet, an intermediate-temperature air inlet and a smoke outlet. The high-temperature air inlet, the intermediate-temperature air inlet and the smoke outlet are respectively installed on a high-temperature smoke channel baffle, an intermediate-temperature smoke channel baffle and a smoke discharging baffle. The high-temperature air inlet and the intermediate-temperature air inlet are respectively connected with a high-temperature exhaust fan and an intermediate-temperature exhaust fan of the glass annealing kiln. The smoke outlet is communicated with outside through a draught fan. A super-heater is installed in the boiler body between the high-temperature air inlet and the intermediate-temperature air inlet. An evaporator, an economizer, an oxygen-removing evaporator and a hot water heater are installed in the boiler body between the intermediate-temperature air inlet and the smoke outlet in turn. A steam pocket and an oxygen remover are installed outside the boiler body. According to the waste heat boiler of the glass annealing kiln disclosed by the utility model, waste heat generated in the production process of the glass annealing kiln can be sufficiently utilized; the hot water heater is arranged; the smoke discharging temperature of the waste heat boiler is reduced below 50-130 DEG C; the waste heat utilization rate of the glass annealing kiln is greatly increased; the temperature control of the glass annealing kiln is realized; and the production process requirements of the glass annealing kiln can be satisfied.
Description
Technical field
The utility model relates to a kind of waste heat boiler, relates in particular to the waste heat boiler of lear, belongs to the industrial furnace fume afterheat and utilizes technical field.
Background technology
The glass output of China is huge, and consumes mass energy.By the end of the year 2010, China has more than 200 floatation glass production line to put into operation, and the average energy consumption of float glass is 6500kJ/kg～7500kJ/kg glass metal, and wherein about heat energy more than 30% then effluxes with the form of waste gas.The average energy loss-rate developed country of China's float glass is high more than 20%, and energy-saving potential is huge.
High temp glass liquid becomes glass product after need passing through the lear cooling; Primary Calculation; Every kilogram of glass is reduced to 150 ℃ from 600 ℃, and release heat is more than 900kJ, if the heat that the glass annealing process is discharged is used; Can reduce the energy consumption of glass product significantly, reduce the production cost of glass.China lacks lear UTILIZATION OF VESIDUAL HEAT IN technology at present, and the waste heat of lear seldom fully utilizes.
The utility model content
The purpose of the utility model is to provide a kind of waste heat boiler of lear; To make full use of the waste heat that produces in the lear production process; Realize the production cost of comprehensive utilization of energy, reduction greenhouse gas emission level, reduction waterglass, improve the competitiveness of manufacturing enterprise, when its control method can guarantee the waste heat boiler ordinary production; Realize the temperature control of lear, satisfy the manufacturing technique requirent of lear.
To achieve these goals, the technical scheme that provides of the utility model is:
The waste heat boiler of lear; Have high temperature air inlet, middle temperature air inlet and exhaust opening on the body of heater; High temperature air inlet, middle temperature air inlet and exhaust opening are installed high-temperature flue baffle plate, middle temperature damper and smoke evacuation baffle plate respectively; The high temperature air inlet is connected with middle temperature exhaust blower with the high temperature exhaust blower of lear respectively with middle temperature air inlet; Exhaust opening then is in communication with the outside through air-introduced machine; Between high temperature air inlet and the middle temperature air inlet superheater is installed in the body of heater; Evaporimeter, economizer are installed between warm air inlet and the exhaust opening in the body of heater successively, are removed oxygen evaporator and hot-water heater, body of heater is installed drum and oxygen-eliminating device outward, and the low temperature water inlet of oxygen-eliminating device is connected with extraneous feed pipe and the interior circulating outlet of oxygen-eliminating device is connected with inlet except that oxygen evaporator; The steam water interface outlet that removes oxygen evaporator is connected with the interior loop head of oxygen-eliminating device and the high-temperature water outlet mouth of oxygen-eliminating device passes through feed pump and is connected with the inlet of economizer; The outlet of economizer is connected with the feed-water intake of drum and the interior circulating outlet of drum is connected with the inlet of evaporimeter, and the steam water interface outlet of evaporimeter is connected with the interior loop head of drum and the dry saturated steam outlet of drum is connected with the inlet of superheater, and the outlet of superheater and the low temperature of hot-water heater enter the mouth and high temperature exports and all leads to outside the body of heater.
Said waste heat boiler has also been set up middle temperature side controller and temperature end controller; Middle temperature end thermometer and temperature end thermometer have been installed on the lear; In warm side controller and middle temperature end thermometer, middle temperature exhaust blower is connected with middle temperature damper and according in warm exhaust blower and middle temperature damper switch in the temperature signal control of temperature end thermometer, the temperature end controller is connected with temperature end thermometer, high temperature exhaust blower and high-temperature flue baffle plate and controls high temperature exhaust blower and high-temperature flue baffle plate switch according to the temperature signal of temperature end thermometer.
Warm bypass damper in setting up between warm air inlet and the middle temperature damper in said; Set up high temperature bypass damper between high temperature air inlet and the high-temperature flue baffle plate; In warm bypass damper be connected with middle temperature side controller and by middle temperature side controller according in the temperature signal gauge tap of temperature end thermometer, high temperature bypass damper is connected with the temperature end controller and by the temperature signal gauge tap of temperature end controller according to the temperature end thermometer.
Said air-introduced machine also is connected with middle temperature side controller or temperature end controller and gauge tap with gas baffle.
After adopting said structure; High-temperature gas and the middle wet body that the utility model will come from lear respectively from the high temperature air inlet and warm air inlet introduce waste heat boiler, the waste heat that makes full use of the high-temperature gas that produces in the lear production process is produced the steam of higher temperature parameter, has improved the waste heat boiler quality of steaming; Hot-water heater is set; Can the exhaust gas temperature of waste heat boiler be reduced to 50 ℃～below 130 ℃, increase substantially the utilization rate of waste heat of lear, realize comprehensive utilization of energy, reduce the greenhouse gas emission level, reduce the production cost of waterglass; Improve the competitiveness of manufacturing enterprise; When its control method can guarantee the waste heat boiler ordinary production, realize the temperature control of lear, satisfy the manufacturing technique requirent of lear.
Description of drawings
Fig. 1 is the structure and the process flow diagram of the utility model.
Label declaration
High temperature air inlet 102 exhaust openings 103
Lear 200
Temperature end thermometer 2 in the low temperature glass port of export 1
In warm exhaust blower 4 in the warm side controller 3
In warm damper 6 in the warm bypass damper 5
Drum 7 evaporimeters 8
Economizer 9 feed pumps 10
Oxygen-eliminating device 11 air-introduced machines 12
Smoke evacuation baffle plate 13 hot-water heaters 14
Remove oxygen evaporator 15 superheaters 16
High-temperature flue baffle plate 17 high temperature bypass dampers 18
High temperature exhaust blower 19 temperature end controllers 20
Temperature end thermometer 21 high temp glass arrival ends 22
Pipe L1～L11.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is explained further details.
What need explanation in advance is that the direction of motion of all kinds of materials when the arrow among Fig. 1 is represented the utility model operation will detail below no longer one by one.
Technological process when Fig. 1 shows schematic structure and the utility model operation of the utility model, shown in it, warm air inlet 101, high temperature air inlet 102 and exhaust opening 103 in having on the utility model body of heater 100.In warm air inlet 101, high temperature air inlet 102 and exhaust opening 103 warm damper 6, high-temperature flue baffle plate 17 and smoke evacuation baffle plate 13 in installing respectively.High temperature air inlet 102 is connected with middle temperature exhaust blower 4 with the high temperature exhaust blower 19 of lear 200 respectively with middle temperature air inlet 101; The two ends of lear 200 are the low temperature glass port of export 1 and high temp glass arrival end 22; The side of lear 200 connects cold air pipe 23, and 103 of exhaust openings are in communication with the outside through air-introduced machine 12.Superheater 16 is installed between high temperature air inlets 102 and the middle temperature air inlet 101 in the body of heater 100, evaporimeter 8, economizer 9 is installed successively between warm air inlet 101 and the exhaust opening 103 in the body of heater 100, is removed oxygen evaporator 15 and hot-water heater 14.Body of heater 100 outer drum 7 and the oxygen-eliminating devices 11 installed.
Wherein, superheater 16, evaporimeter 8, economizer 9, to remove oxygen evaporator 15, hot-water heater 14, drum 7 and oxygen-eliminating device 11 all be existing equipment.Superheater 16 is the heating surfaces that in the boiler saturated vapor under the certain pressure are heated into the superheated vapour under the relevant pressure.Evaporimeter 8 is the equipment that saturation water is heated into wet saturated steam.Economizer 9 is exactly the heating surface of heating boiler feedwater in the boiler back end ductwork, owing to from the lower flue gas of temperature, absorb heat, has reduced the exhaust gas temperature of flue gas, has saved the energy, has improved efficient, so be referred to as economizer.Drum 7 (also claiming drum) is a most important pressure parts in the natural circulation boiler, and saturation water is accomplished in this equipment with dry saturated steam and separated.Oxygen-eliminating device 11 is in the feed water system of boiler, makes feedwater be heated to saturation temperature, can remove the contact(-type) heater of dissolved gas in the feedwater.Removing oxygen evaporator is the equipment that the feedwater of oxygen-eliminating device is heated to saturation temperature, can select the standardized product of Huzhou bright industry boiler vessel Manufacturing Co., Ltd for use.Hot-water heater 14 is exactly one group of steel pipe, Guan the water that outer flue gas flows in pipe heating.
The low temperature inlet of oxygen-eliminating device 11 is connected with extraneous cold water pipe through pipe L1; The interior loop exit of oxygen-eliminating device 11 is connected with the inlet that removes oxygen evaporator 15 through pipe L2; The steam water interface outlet that removes oxygen evaporator 15 is connected with the interior loop head of oxygen-eliminating device 11 through pipe L3; The high temperature outlet of oxygen-eliminating device 11 is connected with the inlet of feed pump 10 with economizer 9 through pipe L4; The outlet of economizer 9 is connected with the feed-water intake of drum 7 through pipe L5; The interior circulation saturation water outlet of drum 7 is connected with the inlet of evaporimeter 8 through pipe L6, and the steam water interface outlet of evaporimeter 8 is connected with the interior loop head of drum 7 through pipe L7, and the dry saturated steam outlet of drum 7 is connected with the inlet of superheater 16 through pipe L8; The high-temperature steam outlet of superheater 16 is led to outside the body of heater through pipe L9, and the low temperature inlet and the high temperature outlet of hot-water heater 14 are led to outside the body of heater through pipe L10 and L11 respectively.
In order to fully utilize the energy better; Waste heat boiler 100 has also been set up middle temperature side controller 3 and temperature end controller 20; Middle temperature end thermometer 2 and temperature end thermometer 21 then have been installed on the lear 200; In set up between warm air inlet 101 and the middle temperature damper 6 in warm bypass damper 5, set up high temperature bypass damper 18 between high temperature air inlet 102 and the high-temperature flue baffle plate 17.In warm side controller 3 and middle temperature end thermometer 2, middle temperature exhaust blower 4 is connected with middle temperature damper 6, middle temperature bypass damper 5, middle temperature side controller 3 according in the temperature signal control of temperature end thermometer 2 warm exhaust blower 4 and middle temperature damper 6, middle temperature bypass damper 5 open or close.Temperature end controller 20 is connected with temperature end thermometer 21, high temperature exhaust blower 19 and high-temperature flue baffle plate 17, high temperature bypass damper 18, and temperature end controller 20 opens or closes with high-temperature flue baffle plate 17, high temperature bypass damper 18 according to the temperature signal control high temperature exhaust blower 19 of temperature end thermometer 21.Air-introduced machine 12 also is connected and controls with middle temperature side controller 3 or temperature end controller 20 with gas baffle 13 and opens or closes.Like this; Middle temperature end thermometer 2 by lear 200 provides control signal with temperature end thermometer 21; Regulate the gas flow of high temperature exhaust blower 19, middle temperature exhaust blower 4, waste heat boiler 100 air-introduced machines 12 respectively, also regulate corresponding with it high-temperature flue baffle plate 17, high temperature bypass damper 18, middle temperature damper 6, middle temperature bypass damper 5 and gas baffle 13 coordinations by middle temperature side controller 3 and temperature end controller 20, realize control lear 200 kiln temperature.
During the utility model work; High temp glass gets into lear 200 from the high temp glass arrival end 22 of lear 200; Sent into cold air 23 cooling of lear 200 by cold air pipe 23 after, leave from the low temperature glass port of export 1 of lear 200.The cold air that gets into lear 200 is divided into high-temperature gas after through lear 200 heating and middle wet body two parts leave lear 200.High-temperature gas gets into waste heat boiler 100 through high temperature exhaust blower 19 and high temperature air inlet 102, and warm exhaust blower 4 gets into waste heat boilers 100 with middle temperature air inlet 101 in the middle wet body warp.Mix with the middle wet body that gets into waste heat boiler 100 after superheater 16 heat exchange of high-temperature gas and waste heat boiler 100; Common then and evaporimeter 8 heat exchange; Subsequently respectively with economizer 9, remove oxygen evaporator 15 and hot-water heater 14 heat exchange; Gas be cooled to 50 ℃～below 130 ℃, leave waste heat boiler 100 through air-introduced machine 12 at last, the waste heat of lear 200 is fully reclaimed.
The cold water path that heat exchange is used is: the cold water through purifying directly infeeds oxygen-eliminating device 11 through pipe L1.Oxygen-eliminating device 11 (such as: it is the oxygen-eliminating device of 0.35 MPa that the bright industry boiler vessel in Huzhou Manufacturing Co., Ltd produces pressure) be an airtight container; According to Henry's law; When the water in the oxygen-eliminating device 11 is heated to the saturation temperature under the relevant pressure; Can make most of oxygen of being dissolved in the water and separate and discharge from the opening of oxygen-eliminating device 11, realize the purpose of deoxygenation, the oxygen in the anti-sealing is to the corrosion of follow-up pipeline, container.After removing oxygen evaporator 15 heating, become the saturation water under the oxygen-eliminating device pressure, realize the purpose of deoxygenation.Deaerated water in the oxygen-eliminating device 11 gets into economizer 9 heating after feed pump 10 pressurizations, get into drum 7 afterwards.Saturation water in the drum 7 becomes saturated vapor after evaporimeter 8 heating, after superheater 16 further heats, become superheated steam and leave waste heat boiler 100.
When temperature is held the temperature drift of thermometer 2 in the lear 200; Warm side controller 3 sends control signal in lear 200; The exhaust air rate of the aperture of warm damper 6 and middle temperature exhaust blower 4 in the increase, the aperture of the baffle plate 13 of increase smoke evacuation simultaneously, the flow of increase air-introduced machine 12.
When the temperature drift of lear 200 temperature end thermometers 21; Send control signal to lear 200 temperature end controllers 20; Increase the aperture of high-temperature flue baffle plate 17 and the exhaust air rate of high temperature exhaust blower 19, increase the aperture of smoke evacuation baffle plate 13 simultaneously, increase the flow of air-introduced machine 12.
When waste heat boiler 100 is in shut down condition, close smoke evacuation baffle plate 13, middle temperature damper 6, high-temperature flue baffle plate 17, warm bypass damper 5 and high temperature bypass damper 18 in the unlatching guarantee that lear 200 normally moves.
In sum, the utility model can improve the temperature parameter of superheater 16 outlet steam through waste heat boiler 100 high temperature air inlets 102 and middle temperature air inlet 101 are set, and improves steam quality.Through hot-water heater 14 is set, can make the exhaust gas temperature of waste heat boiler 100 further be reduced to 50 ℃～below 130 ℃, improve the utilization rate of waste heat of lear 200.Can realize the coordination of lear 200 and waste heat boiler 100 through lear 200 temperature end controllers 20 and middle temperature side controller 3 are set, guarantee that waste heat boiler 100 normally moves, not influence the product quality that improves lear 200 again.Through warm bypass damper 5 and high temperature bypass damper 18 in being provided with, under the condition that waste heat boiler 100 is stopped transport, can guarantee that also lear 200 normally moves the security that has improved system.
Can know that by technological general knowledge the utility model can be realized through other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All in the utility model scope or the change that is being equal in the scope of the utility model all comprised by the utility model.
Claims (4)
1. the waste heat boiler of lear; It is characterized in that: have high temperature air inlet, middle temperature air inlet and exhaust opening on the body of heater; High temperature air inlet, middle temperature air inlet and exhaust opening are installed high-temperature flue baffle plate, middle temperature damper and smoke evacuation baffle plate respectively; The high temperature air inlet is connected with middle temperature exhaust blower with the high temperature exhaust blower of lear respectively with middle temperature air inlet; Exhaust opening then is in communication with the outside through air-introduced machine; Between high temperature air inlet and the middle temperature air inlet superheater is installed in the body of heater; Evaporimeter, economizer are installed between warm air inlet and the exhaust opening in the body of heater successively, are removed oxygen evaporator and hot-water heater, body of heater is installed drum and oxygen-eliminating device outward, and the low temperature water inlet of oxygen-eliminating device is connected with extraneous feed pipe and the interior circulating outlet of oxygen-eliminating device is connected with inlet except that oxygen evaporator; The steam water interface outlet that removes oxygen evaporator is connected with the interior loop head of oxygen-eliminating device and the high-temperature water outlet mouth of oxygen-eliminating device passes through feed pump and is connected with the inlet of economizer; The outlet of economizer is connected with the feed-water intake of drum and the interior circulating outlet of drum is connected with the inlet of evaporimeter, and the steam water interface outlet of evaporimeter is connected with the interior loop head of drum and the dry saturated steam outlet of drum is connected with the inlet of superheater, and the outlet of superheater and the low temperature of hot-water heater enter the mouth and high temperature exports and all leads to outside the body of heater.
2. according to the waste heat boiler of the said lear of claim 1; It is characterized in that: said waste heat boiler has also been set up middle temperature side controller and temperature end controller; Middle temperature end thermometer and temperature end thermometer have been installed on the lear; In warm side controller and middle temperature end thermometer, middle temperature exhaust blower is connected with middle temperature damper and according in warm exhaust blower and middle temperature damper switch in the temperature signal control of temperature end thermometer, the temperature end controller is connected with temperature end thermometer, high temperature exhaust blower and high-temperature flue baffle plate and controls high temperature exhaust blower and high-temperature flue baffle plate switch according to the temperature signal of temperature end thermometer.
3. according to the waste heat boiler of the said lear of claim 2; It is characterized in that: warm bypass damper in setting up between warm air inlet and the middle temperature damper in said; Set up high temperature bypass damper between high temperature air inlet and the high-temperature flue baffle plate; In warm bypass damper be connected with middle temperature side controller and by middle temperature side controller according in the temperature signal gauge tap of temperature end thermometer, high temperature bypass damper is connected with the temperature end controller and by the temperature signal gauge tap of temperature end controller according to the temperature end thermometer.
4. according to the waste heat boiler of the said lear of claim 2, it is characterized in that: said air-introduced machine also is connected with middle temperature side controller or temperature end controller and gauge tap with gas baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202485738U CN202171240U (en) | 2011-07-14 | 2011-07-14 | Waste heat boiler of glass annealing kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202485738U CN202171240U (en) | 2011-07-14 | 2011-07-14 | Waste heat boiler of glass annealing kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171240U true CN202171240U (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202485738U Withdrawn - After Issue CN202171240U (en) | 2011-07-14 | 2011-07-14 | Waste heat boiler of glass annealing kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202171240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345849A (en) * | 2011-07-14 | 2012-02-08 | 福建大源节能环保科技有限公司 | Waste heat boiler of lier |
| CN102877902A (en) * | 2012-10-12 | 2013-01-16 | 凤阳海泰科能源环境管理服务有限公司 | Electricity-water co-production system implemented through waste heat recovery |
| CN116573843A (en) * | 2023-07-13 | 2023-08-11 | 张家港市锦明机械有限公司 | Annealing kiln capable of recycling waste heat |
-
2011
- 2011-07-14 CN CN2011202485738U patent/CN202171240U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345849A (en) * | 2011-07-14 | 2012-02-08 | 福建大源节能环保科技有限公司 | Waste heat boiler of lier |
| CN102345849B (en) * | 2011-07-14 | 2013-08-28 | 福建大源节能环保科技有限公司 | Waste heat boiler of lier |
| CN102877902A (en) * | 2012-10-12 | 2013-01-16 | 凤阳海泰科能源环境管理服务有限公司 | Electricity-water co-production system implemented through waste heat recovery |
| CN102877902B (en) * | 2012-10-12 | 2014-07-23 | 凤阳海泰科能源环境管理服务有限公司 | Electricity-water co-production system implemented through waste heat recovery |
| CN116573843A (en) * | 2023-07-13 | 2023-08-11 | 张家港市锦明机械有限公司 | Annealing kiln capable of recycling waste heat |
| CN116573843B (en) * | 2023-07-13 | 2023-09-12 | 张家港市锦明机械有限公司 | Annealing kiln capable of recycling waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120321 Effective date of abandoning: 20130828 |
|
| RGAV | Abandon patent right to avoid regrant |