CN202788963U - Humid-air low-temperature electricity generating system in gypsum board production line - Google Patents
Humid-air low-temperature electricity generating system in gypsum board production line Download PDFInfo
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- CN202788963U CN202788963U CN201220486966.7U CN201220486966U CN202788963U CN 202788963 U CN202788963 U CN 202788963U CN 201220486966 U CN201220486966 U CN 201220486966U CN 202788963 U CN202788963 U CN 202788963U
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Abstract
The utility model discloses a humid-air low-temperature electricity generating system in a gypsum board production line. According to the low-temperature electricity generating system, a low-boiling-point heat transfer working medium circulation pipeline and a water circulation pipeline are utilized to form bidirectional circulation, based on data collected by a temperature sensor, an electrical control system can be used for detecting temperature at any time and achieving control of the open degree of an electromagnetic valve, and therefore good control of the overall temperature can be realized by adjusting the flow rate, and the purposes that the requirement of heat supply is met, and heat exchange is guaranteed are achieved. Heat of high-temperature humid air is fully utilized in the whole process, waste heat is converted into electric energy, the humid air is converted into water for recycle, heat absorption and heat release of the water are utilized to realize the conversation of gas phase and liquid phase of a heat transfer working medium, and therefore electric power generation of a generator set is achieved. The humid-air low-temperature electricity generating system in the gypsum board production line is energy saving and environmental friendly, the waste heat of waste gas generated in the production line is fully utilized, production cost is lowered, and economic benefits of an enterprise are increased.
Description
Technical field
The utility model relates to gypsum board production line heat energy recovery technical field, and specifically gypsum board production line contains the wet air low-temperature generating system.
Background technique
The dry rear generation of gypsum board production line contains wet air in a large number, and comprising steam gasification latent heat after the water evaporates in hot blast waste heat and the plate after the gypsum board drying, the bulk temperature scope is 120-150 ℃.Domestic existing processing mode generally is that it is directly entered atmosphere, even the precedent that adopts the energy recovery such as heat pipe is arranged, but has the low shortcoming of heat recovery efficiency, has therefore caused the waste of mass energy.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of gypsum board production line to contain the wet air low-temperature generating system, the heat energy that will contain in the wet air changes into electric energy, carry out water circulation and absorb the heat contain in the wet air thereby moisture converts condensed water to, enter the cogeneration cyclic process of next round, energy-conserving and environment-protective.
For achieving the above object, the technical solution adopted in the utility model is as follows:
Gypsum board production line contains the wet air low-temperature generating system, include the heat-exchange working medium circulation loop and the water circulation pipe that connect control by electric control system, described heat-exchange working medium circulation loop connects to form closed loop in turn by vaporizer, screw expansion generator, cooler, storage tank and working medium pump, and described water-circulating pipe route direct heat transfer device, vaporizer, recycle pump I, cooler and recycle pump II connect to form closed loop in turn.
The import of described vaporizer and outlet be the set temperature sensor respectively, the two ends of vaporizer and cooler arrange respectively solenoid valve in the described heat-exchange working medium circulation loop, data by electric control system collecting temperature sensor, the aperture of control solenoid valve realizes bulk temperature control with the flow adjustment.
The utility model has adopted the low-temperature generating system of low boiling heat-exchange working medium circulation loop and water circulation pipe bidirectional circulating, by electric control system take the data capture of temperature transducer as the basis, carry out at any time temperature detection, realize the aperture control of solenoid valve, realize the good control of bulk temperature with the flow adjustment, reach the heat energy supply of satisfying, guarantee the purpose of heat exchange, whole process takes full advantage of the energy that high temperature contains wet air, convert waste heat to electric energy, to contain wet air and convert water circulation use to, the heat absorption heat release by water realizes the liquid phase conversion of heat exchanging working medium, realizes the generating to generator set, energy-conserving and environment-protective, take full advantage of the waste heat of production line waste gas, reduced cost of production, improved the economic benefit of enterprise.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
As shown in Figure 1, native system is specially, include the heat-exchange working medium circulation loop and the water circulation pipe that connect control by electric control system, described heat-exchange working medium circulation loop connects to form closed loop in turn by vaporizer 2, screw expansion generator 3, cooler 4, storage tank 5 and working medium pump 6, and described water-circulating pipe route direct heat transfer device 1, vaporizer 2, recycle pump I 9, cooler 4 and recycle pump II 8 connect to form closed loop in turn.The import of described vaporizer 2 and outlet be set temperature sensor 21 and 22 respectively, the two ends of vaporizer 2 and cooler 4 arrange respectively solenoid valve 23, solenoid valve 24, solenoid valve 41 and solenoid valve 42 in the described heat-exchange working medium circulation loop, data by electric control system collecting temperature sensor, the aperture of control solenoid valve realizes bulk temperature control with the flow adjustment.
With gypsum board production line dryer hydrofuge air input direct heat transfer device 1, generate temperature greater than the high-temperature-hot-water of 90 degree and enter vaporizer 2, be provided with the low boiling heat-exchange working medium in the described vaporizer 2, the low boiling heat-exchange working medium becomes gaseous state after absorbing, when temperature reaches 70 when spending, Working medium gas pressure reaches 1.0-1.5 MPa, 3 generatings of lead-screw expansion power generation machine, it is personal that output power is incorporated low voltage network into through grid-connection cabinet, heat-exchange working medium after the generating is gaseous state, become the liquid storage tank 5 that flows into after entering cooler 4 coolings, recycling by working medium pump 6 input vaporizers 2; High-temperature-hot-water after the vaporizer 2 interior heat releases becomes the low temperature water of 20-25 degree, is used for absorbing the heat of gaseous state heat-exchange working medium by recycle pump II 8 input coolers 4 as cooling water, and the hot water that becomes the 45-50 degree is recycled by recycle pump I 9 input direct heat transfer devices 1.
In the native system, lower boiling heat-exchange working medium can adopt freon, can absorb heat energy under cryogenic conditions and vaporize rapidly, promotes Turbo-generator Set running generating.Waste heat recovering device can adopt various ways, and such as adopting the direct heat transfer technology to realize the abundant recovery of residual heat resources, the heat energy that perhaps adopts other modes to reclaim can be as the thermal source of this technique, as long as can reach the above hot water of 90 degree.
With 3,000 ten thousand m
2/ a gypsum lath product line is example, open the power supply of electric control system, 120 ℃-150 ℃ the damp-heat air that produces in the Dry run enters production line direct heat transfer device 1, enter vaporizer 2 as thermal source after generating the high-temperature-hot-water of temperature greater than 90 degree, low boiling heat-exchange working medium freon is housed in vaporizer 2, this heat-exchange working medium moment after vaporizer 2 interior heat absorptions is finished liquid transformation to gaseous state, when temperature reaches 70 when spending, Working medium gas pressure reaches 1.0-1.5 MPa, the 3 running generatings of lead-screw expansion power generation machine, be electric energy with thermal power transfer, it is personal that output power is incorporated low voltage network into through grid-connection cabinet.
Meanwhile, become the low temperature water of temperature 20-25 degree after the hot water heat release in the vaporizer 2, under the effect of recycle pump I 9, pumped in the condenser 4 as cooling water by water circulation pipe, the low boiling heat-exchange working medium still is in gaseous state after generating electricity, after entering condenser 4 with pipeline, through the cooling of the cooling water in the condenser 4, by the gaseous state liquefy, flow in the storage tank 5, it is recycling to enter vaporizer 2 under the effect of working medium pump 6.Generate the hot water of 45-50 degree after the cold water heat absorption in the condenser 4, enter direct heat transfer device 1 through recycle pump II 8 and water circulating pipe, recycling.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also should belong to protection domain of the present utility model.
Claims (2)
1. a gypsum board production line contains the wet air low-temperature generating system, it is characterized in that, include the heat-exchange working medium circulation loop and the water circulation pipe that connect control by electric control system, described heat-exchange working medium circulation loop connects to form closed loop in turn by vaporizer (2), screw expansion generator (3), cooler (4), storage tank (5) and working medium pump (6), and described water-circulating pipe route direct heat transfer device (1), vaporizer (2), recycle pump I (9), cooler (4) and recycle pump II (8) connect to form closed loop in turn.
2. gypsum board production line according to claim 1 contains the wet air low-temperature generating system, it is characterized in that, the import of described vaporizer (2) and outlet be the set temperature sensor respectively, the two ends of vaporizer (2) and cooler (4) arrange respectively solenoid valve in the described heat-exchange working medium circulation loop, data by electric control system collecting temperature sensor, the aperture of control solenoid valve realizes bulk temperature control with the flow adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220486966.7U CN202788963U (en) | 2012-09-24 | 2012-09-24 | Humid-air low-temperature electricity generating system in gypsum board production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220486966.7U CN202788963U (en) | 2012-09-24 | 2012-09-24 | Humid-air low-temperature electricity generating system in gypsum board production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202788963U true CN202788963U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220486966.7U Expired - Lifetime CN202788963U (en) | 2012-09-24 | 2012-09-24 | Humid-air low-temperature electricity generating system in gypsum board production line |
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| CN (1) | CN202788963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110274A (en) * | 2013-04-19 | 2014-10-22 | 天津大学 | Lubrication and cooling system of low-temperature thermal power generation expander |
-
2012
- 2012-09-24 CN CN201220486966.7U patent/CN202788963U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110274A (en) * | 2013-04-19 | 2014-10-22 | 天津大学 | Lubrication and cooling system of low-temperature thermal power generation expander |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |