CN217979857U - Novel glass kiln flue gas waste heat utilization power generation system - Google Patents
Novel glass kiln flue gas waste heat utilization power generation system Download PDFInfo
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- CN217979857U CN217979857U CN202221594251.3U CN202221594251U CN217979857U CN 217979857 U CN217979857 U CN 217979857U CN 202221594251 U CN202221594251 U CN 202221594251U CN 217979857 U CN217979857 U CN 217979857U
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Abstract
The utility model discloses a novel glass kiln flue gas waste heat utilization power generation system, which comprises a waste heat boiler, a high-pressure steam pocket, a water feeding pump, a thermal deaerator, a steam turbine, a generator, a condenser, a condensate pump and a steam seal heater; the exhaust-heat boiler has the auxiliary steam export, the auxiliary steam export passes through the auxiliary steam entry of the first exit linkage steam turbine of low pressure steam pocket, connect through high pressure feed water heater between exhaust-heat boiler's the feedwater entry and the feedwater pump, high pressure feed water pump's first entry linkage feedwater pump's export, low pressure steam pocket and exhaust-heat boiler's feedwater entry is connected respectively in high pressure feed water heater's export, high pressure feed water heater's second entry, the second entry of heating power oxygen-eliminating device are still connected respectively in the first export of low pressure steam pocket. The first outlet of the low-pressure steam drum is connected with the auxiliary steam inlet of the steam turbine and the high-pressure heater, so that the operating temperature of the thermal deaerator is reduced, the service temperature of the water feeding pump is further reduced, and the service life of the water feeding pump is prolonged.
Description
Technical Field
The utility model relates to a glass kiln flue gas waste heat utilization electricity generation field technique especially indicates a novel glass kiln flue gas waste heat utilization power generation system.
Background
In industrial production, a waste heat energy source generally exists, energy conservation becomes extremely important due to energy shortage, and waste heat power generation is an effective way for recycling the waste heat of the smoke discharged by a glass kiln from the aspect of energy conservation and consumption reduction, so that the recycling rate of primary energy can be improved, and the pollution of the waste heat to the environment can be reduced; the waste heat power generation mainly comprises a waste heat boiler, a steam turbine, a power generator, a deaerator and other devices, wherein the waste heat boiler absorbs waste heat of flue gas to generate superheated steam, the superheated steam is sent to the steam turbine to do work, and the steam turbine drives the power generator to generate power.
In the prior art, a power generation system utilizing waste heat of flue gas in a glass kiln is shown in fig. 1, wherein an outlet of a steam seal heater is connected with a first inlet of a deaerator, an outlet of a third evaporator of a waste heat boiler is connected with a second inlet of the deaerator, and a first outlet and a second outlet of the deaerator are respectively connected with an inlet of an economizer and an inlet of the third evaporator; this kind of structure oxygen-eliminating device temperature heating is too high for the service temperature of water-feeding pump is too high, leads to easily that the water-feeding pump damages, and then influences the normal operating of whole glass cellar flue gas waste heat utilization power generation system.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a novel glass kiln flue gas waste heat utilization power generation system, which is provided with an auxiliary steam outlet connected to an auxiliary steam inlet of a steam turbine through a first outlet of a low pressure steam drum, and a water supply inlet of a waste heat boiler connected to a water supply pump through a high pressure heater; the operating temperature of the thermal deaerator is reduced, the service temperature of the water feeding pump is further reduced, and the service life of the water feeding pump is prolonged.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel glass kiln flue gas waste heat utilization power generation system comprises a waste heat boiler, a high-pressure steam drum, a water feeding pump, a thermal deaerator, a steam turbine, a generator, a condenser, a condensate pump and a steam seal heater; the waste heat boiler is connected with a high-pressure steam drum, a water supply inlet of the waste heat boiler is connected with an outlet of the thermal deaerator through a water supply pump, a main steam outlet of the waste heat boiler is connected with a main steam inlet of the steam turbine, and an outlet of the steam turbine is respectively connected with the generator and the condenser; a condensed water outlet of the condenser is connected with a first inlet of the thermal deaerator through a condensed water pump and a steam seal heater in sequence;
the exhaust-heat boiler has the auxiliary steam export, the auxiliary steam export passes through the auxiliary steam entry of the first exit linkage steam turbine of low pressure steam pocket, connect through high pressure feed water heater between exhaust-heat boiler's the feedwater entry and the feed water pump, high pressure feed water pump's first entry linkage delivery port, low pressure steam pocket and exhaust-heat boiler's feedwater entry is connected respectively to high pressure feed water heater's export, high pressure feed water heater's second entry, the second entry of heating power oxygen-eliminating device are still connected respectively to the first export of low pressure steam pocket for the operating temperature of heating power oxygen-eliminating device reduces, and then reduces the service temperature of feed water pump, improves the life of feed water pump.
As a preferred scheme, the waste heat boiler comprises a first boiler section and a second boiler section; the boiler section is provided with a first gas channel, and the first gas channel is provided with a glass cellar flue inlet, a superheater, a first evaporator and a flue gas outlet which are sequentially arranged; the second boiler section is provided with a second gas channel, and the second gas channel is provided with a flue gas inlet, a second evaporator, an economizer, a third evaporator and a smoke outlet which are sequentially arranged; the flue gas outlet is connected with the flue gas inlet through a flue gas purification device;
outlets of the first evaporator and the second evaporator are respectively connected with two steam-water mixture inlets of a high-pressure steam drum, water outlets of the high-pressure steam drum are respectively connected with inlets of the first evaporator and the second evaporator, a steam outlet of the high-pressure steam drum is connected with a steam inlet of a superheater, and a main steam outlet is arranged on the superheater; the water outlet of the economizer is connected with the water inlet of the high-pressure steam drum; the water supply inlet is arranged on the economizer;
the auxiliary steam outlet is arranged on the third evaporator, and the second outlet of the low-pressure steam drum is connected with the inlet of the third evaporator.
As a preferred scheme, the smoke exhaust port is connected with an induced draft fan.
As a preferable scheme, the pipelines of the outlet of the high-pressure heater, which are connected with the low-pressure steam drum and the feed water inlet of the waste heat boiler, are provided with safety valves.
As a preferred scheme, a cooling water inlet of the condenser is sequentially connected with a circulating cooling water pump and a water pool of a cooling tower; and a cooling water outlet of the condenser is connected with the upper part of the cooling tower.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
the waste heat boiler is mainly characterized in that an auxiliary steam outlet is connected with an auxiliary steam inlet of a steam turbine through a first outlet of a low-pressure steam drum, and a water supply inlet of the waste heat boiler is connected with a water supply pump through a high-pressure heater; the operating temperature of the thermal deaerator is reduced, the service temperature of the water feeding pump is further reduced, and the service life of the water feeding pump is prolonged.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural diagram of a conventional glass kiln flue gas waste heat utilization power generation system;
FIG. 2 is a schematic view of the preferred embodiment of the present invention;
fig. 3 is an enlarged schematic view of the exhaust-heat boiler according to the preferred embodiment of the present invention.
The attached drawings indicate the following:
1. exhaust-heat boiler 101, boiler first section
1011. First gas channel 1012 and glass cellar flue inlet
1013. Superheater 1014 and first evaporator
1015. Flue gas outlet 102, two sections of boiler
1021. Second gas channel 1022, flue gas inlet
1023. Second evaporator 1024, economizer
1025. Third evaporator 1026, exhaust port
2. High-pressure steam drum 3 and steam turbine
4. Generator 5 and condenser
501. Circulating cooling water pump 502 and cooling tower
6. Condensate pump 7 and steam seal heater
8. Thermal deaerator 9 and water supply pump
10. High pressure heater 11, low pressure steam pocket
12. Flue gas purification device 13 and draught fan
14. A safety valve.
Detailed Description
Referring to fig. 2-3, a specific structure of a preferred embodiment of the present invention is shown, which includes a waste heat boiler 1, a high pressure steam drum 2, a steam turbine 3, a generator 4, a condenser 5, a condensate pump 6, a steam seal heater 7, a thermal deaerator 8, a feed water pump 9, a high pressure heater 10, and a low pressure steam drum 11.
The waste heat boiler 1 comprises a boiler first section 101 and a boiler second section 102; the boiler section 101 is provided with a first gas channel 1011, and the first gas channel 1011 is provided with a glass kiln flue inlet 1012, a superheater 1013, a first evaporator 1014 and a flue gas outlet 1015 which are sequentially arranged; the boiler second section 102 is provided with a second gas channel 1021, and the second gas channel 1021 is provided with a flue gas inlet 1022, a second evaporator 1023, an economizer 1024, a third evaporator 1025 and a smoke outlet 1026 which are sequentially arranged; the flue gas outlet 1015 is connected with the flue gas inlet 1022 through the flue gas purification device 12; and the smoke exhaust port 1026 is connected with an induced draft fan 13.
The main steam outlet (namely the main steam outlet of the waste heat boiler 1) of the superheater 1013 is connected with the main steam inlet of the steam turbine 3, the outlets of the first evaporator 1014 and the second evaporator 1023 are respectively connected with two steam-water mixture inlets of the high-pressure steam drum 2, the water outlet of the high-pressure steam drum 2 is respectively connected with the inlets of the first evaporator 1014 and the second evaporator 1023, the steam outlet of the high-pressure steam drum 2 is connected with the steam inlet of the superheater 1013, and the water outlet of the economizer 1024 is connected with the water inlet of the high-pressure steam drum 2.
The outlet of the steam turbine 3 is respectively connected with a generator 4 and a condenser 5; the generator 4 is used for generating electricity, a cooling water inlet of the condenser 5 is sequentially connected with a circulating cooling water pump 501 and a water pool of the cooling tower 502, a cooling water outlet of the condenser 5 is connected with the upper part of the cooling tower 502, and a condensed water outlet of the condenser 5 is connected with a first inlet of the thermal deaerator 8 through a condensed water pump 6 and a steam seal heater 7 in sequence; an outlet of the thermal deaerator 8 is connected with an inlet of a water feeding pump 9, an outlet of the water feeding pump 9 is connected with a first inlet of a high-pressure heater 10, an outlet of the high-pressure heater 10 is respectively connected with a first inlet of a low-pressure steam drum 11 and a water feeding inlet of an economizer 1024 (namely the water feeding inlet of the waste heat boiler 1), and safety valves 14 are arranged on pipelines of the outlet of the high-pressure heater 10, which are connected with the first inlet of the low-pressure steam drum 11 and the water feeding inlet of the waste heat boiler 1.
A first outlet of the low-pressure steam drum 11 is connected with an auxiliary steam inlet of the steam turbine 3, and a first outlet of the low-pressure steam drum 11 is also respectively connected with a second inlet of the high-pressure heater 10 and a second inlet of the thermal deaerator 8; an auxiliary steam outlet of the third evaporator 1025 (namely an auxiliary steam outlet of the waste heat boiler 1) is connected with a second inlet of the low-pressure steam drum 11, and is further connected with an auxiliary steam inlet of the steam turbine 3 through a first outlet of the low-pressure steam drum 11; a second outlet of the low pressure drum 11 is connected to an inlet of a third evaporator 1025.
Detailed description the working principle of the present embodiment is as follows:
steam generated by the waste heat boiler 1 enters a steam turbine 3 to do work and drive a generator 4 to generate electricity; the exhaust steam generated after the steam turbine 3 does work enters the condenser 5, the condenser 5 is cooled into condensed water through cooling circulating water heat exchange, the condensed water is pumped into the thermal deaerator 8 through the condensed water pump 6 to be deaerated, and is pumped into the boiler through the water feeding pump 9 after being deaerated to exchange heat, and steam is generated after heat exchange to form circulation.
The utility model discloses a design focus lies in:
the waste heat boiler is mainly characterized in that an auxiliary steam outlet is connected with an auxiliary steam inlet of a steam turbine through a first outlet of a low-pressure steam drum, and a water supply inlet of the waste heat boiler is connected with a water supply pump through a high-pressure heater; the operating temperature of the thermal deaerator is reduced, the service temperature of the water feeding pump is further reduced, and the service life of the water feeding pump is prolonged.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (5)
1. A novel glass kiln flue gas waste heat utilization power generation system comprises a waste heat boiler, a high-pressure steam drum, a water feeding pump, a thermal deaerator, a steam turbine, a generator, a condenser, a condensate pump and a steam seal heater; the waste heat boiler is connected with a high-pressure steam drum, a water supply inlet of the waste heat boiler is connected with an outlet of a thermal deaerator through a water supply pump, a main steam outlet of the waste heat boiler is connected with a main steam inlet of a steam turbine, and an outlet of the steam turbine is respectively connected with a generator and a condenser; a condensed water outlet of the condenser is connected with a first inlet of the thermal deaerator through a condensed water pump and a steam seal heater in sequence; the method is characterized in that:
the exhaust-heat boiler has the auxiliary steam export, the auxiliary steam export passes through the auxiliary steam entry of the first exit linkage steam turbine of low pressure steam pocket, connect through high pressure feed water heater between exhaust-heat boiler's the feedwater entry and the feedwater pump, high pressure feed water pump's first entry linkage feedwater pump's export, low pressure steam pocket and exhaust-heat boiler's feedwater entry is connected respectively in high pressure feed water heater's export, high pressure feed water heater's second entry, the second entry of heating power oxygen-eliminating device are still connected respectively in the first export of low pressure steam pocket.
2. The novel glass kiln flue gas waste heat utilization power generation system of claim 1, which is characterized in that: the waste heat boiler comprises a first boiler section and a second boiler section; the boiler section is provided with a first gas channel, and the first gas channel is provided with a glass cellar flue inlet, a superheater, a first evaporator and a flue gas outlet which are sequentially arranged; the boiler second section is provided with a second gas channel, and the second gas channel is provided with a flue gas inlet, a second evaporator, an economizer, a third evaporator and a smoke exhaust port which are sequentially arranged; the flue gas outlet is connected with the flue gas inlet through a flue gas purification device;
outlets of the first evaporator and the second evaporator are respectively connected with two steam-water mixture inlets of a high-pressure steam drum, water outlets of the high-pressure steam drum are respectively connected with inlets of the first evaporator and the second evaporator, a steam outlet of the high-pressure steam drum is connected with a steam inlet of a superheater, and a main steam outlet is arranged on the superheater; the water outlet of the economizer is connected with the water inlet of the high-pressure steam drum; the water supply inlet is arranged on the economizer;
the auxiliary steam outlet is arranged on the third evaporator, and the second outlet of the low-pressure steam drum is connected with the inlet of the third evaporator.
3. The novel glass kiln flue gas waste heat utilization power generation system of claim 2, characterized in that: and an induced draft fan is connected at the smoke outlet.
4. The novel glass kiln flue gas waste heat utilization power generation system of claim 2, characterized in that: and safety valves are arranged on pipelines of which the outlets of the high-pressure heater are connected with the low-pressure steam drum and the water supply inlet of the waste heat boiler.
5. The novel glass kiln flue gas waste heat utilization power generation system of claim 1, which is characterized in that: a cooling water inlet of the condenser is sequentially connected with a circulating cooling water pump and a water tank of a cooling tower; and a cooling water outlet of the condenser is connected with the upper part of the cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221594251.3U CN217979857U (en) | 2022-06-24 | 2022-06-24 | Novel glass kiln flue gas waste heat utilization power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221594251.3U CN217979857U (en) | 2022-06-24 | 2022-06-24 | Novel glass kiln flue gas waste heat utilization power generation system |
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| CN217979857U true CN217979857U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221594251.3U Active CN217979857U (en) | 2022-06-24 | 2022-06-24 | Novel glass kiln flue gas waste heat utilization power generation system |
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- 2022-06-24 CN CN202221594251.3U patent/CN217979857U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Type of Glass Kiln Flue Gas Waste Heat Utilization Power Generation System Effective date of registration: 20230619 Granted publication date: 20221206 Pledgee: Dongguan Nancheng Sub branch of Agricultural Bank of China Co.,Ltd. Pledgor: GUANGDONG KAINENG ENVIRONMENTAL PROTECTION & ENERGY Co.,Ltd.|Yangjiang Guangrun Energy Saving Technology Co.,Ltd.|Yulin Guangrun waste heat power generation Co.,Ltd.|Ningde Kaineng Environmental Protection Energy Co.,Ltd. Registration number: Y2023980044253 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |