CN206439078U - A kind of low temperature exhaust heat flue gas utilization co-generation unit - Google Patents
A kind of low temperature exhaust heat flue gas utilization co-generation unit Download PDFInfo
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- CN206439078U CN206439078U CN201621477403.6U CN201621477403U CN206439078U CN 206439078 U CN206439078 U CN 206439078U CN 201621477403 U CN201621477403 U CN 201621477403U CN 206439078 U CN206439078 U CN 206439078U
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- flue gas
- evaporator
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Abstract
The purpose of this utility model is to provide a kind of low temperature exhaust heat flue gas utilization co-generation unit, including flue, waste heat boiler, one-level regulating valve, one-level screw expander, one-level generator, two grades of regulating valves, heating heat exchanger, evaporator, two grades of screw expanders, secondary generator, evaporative condenser, working medium pump, condensate water pot, condensate pump, softened water tank, boiler replenishing water pump, volume damper, air-introduced machine, accident by-pass line, chimneys, solve low-temperature flue gas and directly discharge the energy dissipation caused and problem of environmental pollution.
Description
Technical field
The utility model belongs to field of Environment Protection, and in particular to a kind of low temperature exhaust heat flue gas utilization co-generation unit.
Background technology
There are a large amount of low-temperature flue gas in industries such as metallurgy, building materials, glass can not reclaim the phenomenon directly discharged, not only cause
The huge waste of the energy, and thermal pollution can be caused to environment.
The content of the invention
The purpose of this utility model is to provide a kind of low temperature exhaust heat flue gas utilization co-generation unit, solution low-temperature flue gas
Directly discharge the energy dissipation caused and problem of environmental pollution.
To achieve the above object, the technical solution of the utility model is：A kind of low temperature exhaust heat flue gas utilization cogeneration of heat and power system
System, including flue, waste heat boiler, one-level regulating valve, one-level screw expander, one-level generator, two grades of regulating valves, heating
Heat exchanger, evaporator, two grades of screw expanders, secondary generator, evaporative condenser, working medium pump, condensate water pot, condensed waters
Pump, softened water tank, boiler replenishing water pump, volume damper, air-introduced machine, accident by-pass line, chimney,
The flue is connected with waste heat boiler pipeline, and volume damper and accident bypass pipe are provided with connecting pipe
Road, accident by-pass line is connected with chimney breast,
The exhaust-heat boiler flue gas outlet is connected with chimney breast, and air-introduced machine is provided with connecting pipe, for that will cool down
Flue gas feeding smoke stack emission afterwards, waste heat boiler steam (vapor) outlet is connected with one-level screw expander pipeline, set on connecting pipe
There is one-level regulating valve, one-level screw expander is connected with one-level generator,
The one-level screw expander exhaust steam outlet connects with evaporator tube-side inlet, heating heat exchanger shell side inlet pipeline
Connect, two grades of regulating valves be provided with one-level screw expander and evaporator joint pipe road,
Heating heat exchanger shell-side outlet is connected with condensate water pot pipeline, and the outlet of evaporator tube side connects with condensate water pot pipeline
Connect, condensate water pot is connected by condensate pump with softened water tank, evaporative condenser header tank pipeline, and softened water tank passes through boiler replenishing water
Pump is connected with waste heat boiler water inlet tube,
Evaporator shell-side outlet is connected with two grades of screw expander pipelines, and two grades of screw expanders connect with secondary generator
Connect, two grades of screw expander exhaust steam outlets are connected with evaporative condenser steam inlet duct, and evaporative condenser condensed water goes out
Mouth is connected by working medium pump with evaporator shell side inlet duct.
The step of threads expanding machine uses sylphon seal form.
Two grades of threaded expander machines use twin-screw expander.
The evaporator is flooded evaporator.
Evaporator is provided with fuel tank and oil return apparatus.
The utility model system effectively Mist heat recovering can be generated electricity, meanwhile, winter can be taken off partial heat
Heated, realize cogeneration of heat and power, can not only save the energy, and electric energy can be provided for enterprise, reduce the electricity consumption of enterprise
Cost.
Brief description of the drawings
Fig. 1 is system schematic of the present utility model.
Embodiment
As shown in figure 1, a kind of low temperature exhaust heat flue gas utilization co-generation unit, including flue, waste heat boiler 1, one
Level regulating valve 2, one-level screw expander 3, one-level generator 4, two grades of regulating valves 5, heating heat exchanger 6, evaporator 7, two grades of spiral shells
Bar expanding machine 8, secondary generator 9, evaporative condenser 10, working medium pump 11, condensate water pot 12, condensate pump 13, softened water tank 14,
Boiler replenishing water pump 15, volume damper 16, air-introduced machine 17, accident by-pass line 18, chimney 19,
Flue is connected with the pipeline of waste heat boiler 1, and volume damper 16 and accident bypass pipe are provided with connecting pipe
Road 18, accident by-pass line 18 is connected with the pipeline of chimney 19,
The exhanst gas outlet of waste heat boiler 1 is connected with the pipeline of chimney 19, and air-introduced machine 17 is provided with connecting pipe, for that will cool down
Flue gas feeding chimney 19 afterwards is discharged, and the steam (vapor) outlet of waste heat boiler 1 is connected with the pipeline of one-level screw expander 3, on connecting pipe
One-level regulating valve 2 is provided with, one-level screw expander 3 is connected with one-level generator 4,
The exhaust steam outlet of one-level screw expander 3 is connected with the tube-side inlet of evaporator 7, the shell side inlet pipeline of heating heat exchanger 6,
Two grades of regulating valves 5 are provided with one-level screw expander 3 and the connecting pipe of evaporator 7,
The shell-side outlet of heating heat exchanger 6 is connected with condensate water pot pipeline, the outlet of the tube side of evaporator 7 and the pipeline of condensate water pot 12
Connection, condensate water pot 12 is connected by condensate pump 13 with softened water tank 14, the header tank pipeline of evaporative condenser 10, softened water tank 14
It is connected by boiler replenishing water pump 15 with the water inlet tube of waste heat boiler 1,
The shell-side outlet of evaporator 7 is connected with two grades of pipelines of screw expander 8, two grades of screw expanders 8 and secondary generator 9
Connection, the exhaust steam outlet of the second screw expander 8 is connected with the steam inlet duct of evaporative condenser 10, and evaporative condenser 10 is cold
Solidifying water out is connected by working medium pump 11 with evaporator shell side inlet duct.
The utility model waste heat boiler effectively can produce water vapour by Mist heat recovering, and screw expander is utilized with generator
Low pressure steam is generated electricity, and low pressure water vapor is cooled into softened water, and the softened water after cooling returns to steam generator system moisturizing
In case, softened water can effectively be reclaimed, and vapor heat energy is converted into electric energy, is enterprise's save electricity, reduction
Production cost.In winter, it can use part vapor and carry out heating, improve thermal source utilization rate.
One-level screw expander uses sylphon seal form, it is ensured that vapor and lubricating oil are not interfere with each other.
Heating heat exchanger uses shell-and-tube cooler, and shell side is walked in exhaust steam, and heating water walks tube side, winter according to heating area come
Adjust heating heat exchanger heat exchange load.
Generating equipment uses shell-and-tube heat exchanger according to the cleaning feature of steam, evaporator, effectively raises heat exchange effect
Rate and generating efficiency.
In order to ensure that screw expander obtains being provided with fuel tank and oil return dress on sufficient lubrication, evaporator in the process of running
Put.
Using evaporative condenser come Condensed low pressure circulatory mediator, effectively reduction improves generating efficiency from power consumption.
Claims (5)
1. a kind of low temperature exhaust heat flue gas utilization co-generation unit, it is characterised in that：Including flue, waste heat boiler, one-level
Regulating valve, one-level screw expander, one-level generator, two grades of regulating valves, heating heat exchanger, evaporator, two grades of screw expanders,
Secondary generator, evaporative condenser, working medium pump, condensate water pot, condensate pump, softened water tank, boiler replenishing water pump, air quantity regulation
Valve, air-introduced machine, accident by-pass line, chimney,
The flue is connected with waste heat boiler pipeline, and volume damper and accident by-pass line are provided with connecting pipe,
Accident by-pass line is connected with chimney breast,
The exhaust-heat boiler flue gas outlet is connected with chimney breast, air-introduced machine is provided with connecting pipe, for by after cooling
Flue gas sends into smoke stack emission, and waste heat boiler steam (vapor) outlet is connected with one-level screw expander pipeline, and one is provided with connecting pipe
Level regulating valve, one-level screw expander is connected with one-level generator,
The one-level screw expander exhaust steam outlet is connected with evaporator tube-side inlet, heating heat exchanger shell side inlet pipeline, and one
Two grades of regulating valves are provided with level screw expander and evaporator joint pipe road,
Heating heat exchanger shell-side outlet is connected with condensate water pot pipeline, and the outlet of evaporator tube side is connected with condensate water pot pipeline, cold
Solidifying water pot is connected by condensate pump with softened water tank, evaporative condenser header tank pipeline, softened water tank by boiler replenishing water pump and
Waste heat boiler water inlet tube is connected,
Evaporator shell-side outlet is connected with two grades of screw expander pipelines, and two grades of screw expanders are connected with secondary generator, and two
Level screw expander exhaust steam outlet is connected with evaporative condenser steam inlet duct, and evaporative condenser condensation-water drain passes through
Working medium pump is connected with evaporator shell side inlet duct.
2. low temperature exhaust heat flue gas utilization co-generation unit according to claim 1, it is characterised in that：The step of threads
Expanding machine uses sylphon seal form.
3. low temperature exhaust heat flue gas utilization co-generation unit according to claim 1, it is characterised in that：Two grades of screw threads
Expanding machine uses twin-screw expander.
4. low temperature exhaust heat flue gas utilization co-generation unit according to claim 1, it is characterised in that：The evaporator is
Flooded evaporator.
5. low temperature exhaust heat flue gas utilization co-generation unit according to claim 1, it is characterised in that：Evaporator is provided with
Fuel tank and oil return apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477403.6U CN206439078U (en) | 2016-12-30 | 2016-12-30 | A kind of low temperature exhaust heat flue gas utilization co-generation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477403.6U CN206439078U (en) | 2016-12-30 | 2016-12-30 | A kind of low temperature exhaust heat flue gas utilization co-generation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439078U true CN206439078U (en) | 2017-08-25 |
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ID=59642808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621477403.6U Active CN206439078U (en) | 2016-12-30 | 2016-12-30 | A kind of low temperature exhaust heat flue gas utilization co-generation unit |
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| CN (1) | CN206439078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701250A (en) * | 2017-11-16 | 2018-02-16 | 山西易通环能科技集团有限公司 | Distributed biomass direct-fired co-generation unit |
| CN109631602A (en) * | 2018-12-28 | 2019-04-16 | 山东金艺珠宝有限公司 | A kind of noble metal processing waste-heat recovery device and technique |
-
2016
- 2016-12-30 CN CN201621477403.6U patent/CN206439078U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701250A (en) * | 2017-11-16 | 2018-02-16 | 山西易通环能科技集团有限公司 | Distributed biomass direct-fired co-generation unit |
| CN109631602A (en) * | 2018-12-28 | 2019-04-16 | 山东金艺珠宝有限公司 | A kind of noble metal processing waste-heat recovery device and technique |
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