CN201599134U - Environment-friendly energy saving and emission reduction sewage thermal energy recycling system - Google Patents
Environment-friendly energy saving and emission reduction sewage thermal energy recycling system Download PDFInfo
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- CN201599134U CN201599134U CN2010203017139U CN201020301713U CN201599134U CN 201599134 U CN201599134 U CN 201599134U CN 2010203017139 U CN2010203017139 U CN 2010203017139U CN 201020301713 U CN201020301713 U CN 201020301713U CN 201599134 U CN201599134 U CN 201599134U
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- sewage
- screw expander
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- recovery system
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Abstract
The utility model provides an environment-friendly energy saving and emission reduction sewage thermal energy recycling system, which is connected with an afterheat sewage resource, utilizes afterheat sewage to do work and supplies the sewage after working to a sewage recycling system. The environment-friendly energy saving and emission reduction sewage thermal energy recycling system comprises a screw expander unit, sewage control valves and multiple groups of sewage stop valves, the screw expander unit, the sewage control valve and the multiple groups of sewage stop valves are connected via a first sewage pipeline and a second sewage pipeline, afterheat sewage flows into the screw expander unit to do work, the screw expander unit comprises a screw expander and load equipment, the afterheat sewage pushes the screw expander to do work so as to drive the load equipment, the sewage stop valves are arranged on the first sewage pipeline and control circulation of sewage, and the sewage control valves are arranged on the first sewage pipeline and the second sewage pipeline and controls flow of the sewage. The environment-friendly energy saving emission reduction sewage thermal energy recycling system meets requirements of energy saving, emission reduction, high-efficiency, practicality and environmental protection, and has zero carbon dioxide emission and zero nitric oxide and sulfide emission.
Description
[technical field]
The utility model relates to a kind of environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system, particularly relates to a kind of industrial exhaust heat sewage that can make full use of and produces the screw expansion power system that power generates electricity or does work.
[background technique]
The primary energy present situation of China allows of no optimist, though coal resources reserves world rankings second (U.S. the first is a times of China's reserves), the minable coal resources of China are not enough the century-old time, far fewer than the country of world's first six digits coal storage quantity; The oil and natural gas resource of China is also only enough exploited decades, and worldwide petroleum production is shortage within this century also.
Because the characteristics of China's energy resource structure, the energy is not realized sufficient ladder utilization, the residual heat resources amount is big and widely distributed, for example at metallurgy and steel industry, can discharge a large amount of waste heat sewage (80-90?), the heat that is contained in these waste heat sewage often is not used, and one in the waste heat sewage by reclaiming iron and steel enterprise only just can bring the electric energy of 2MW to 5MW for each enterprise.
In sum, need a kind of environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system, it can solve existing energy and utilize inadequate problem.
[summary of the invention]
Technical problem to be solved in the utility model is to provide a kind of environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system, and it can reclaim low grade heat energy and be directly changed into electric energy.
For solving the problems of the technologies described above, according to the utility model one preferred embodiment, a kind of environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system is provided, be connected with existing waste heat source of sewage by first plumbing drain, the waste heat sewage acting that utilizes the waste heat source of sewage to discharge, and the sewage after will doing work by second plumbing drain is supplied to waste water recovery system, the environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system comprises the screw expander unit that links to each other by first plumbing drain and second plumbing drain, sewage control valve and organize the sewage stop valve more, waste heat sewage flows into the acting of screw expander unit by first plumbing drain, sewage after the acting is supplied to waste water recovery system through second plumbing drain again, wherein the screw expander unit comprises screw expander and continuous load equipment, wherein, the work of waste heat sewage lead-screw decompressor is to provide the motivational drive load equipment; The sewage stop valve is located on first plumbing drain, is used to control the circulation of sewage; And organize the sewage control valve more and be located on first plumbing drain and second plumbing drain, be used to control the flow of sewage.
According to the utility model one preferred embodiment, waste water recovery system comprises the platoon development unit and arranges development unit surely, is used for the sewage after the acting is carried out the dilatation step-down to isolate steam.
According to the another preferred embodiment of the utility model, waste water recovery system comprises oxygen-eliminating device, is used to recycle steam.
According to the another preferred embodiment of the utility model, the environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system further comprises control system and lubrication system, be used to control the screw expander unit and be positioned at control valve on second plumbing drain, lubrication system is used for lubricated screw expander unit.
According to the another preferred embodiment of the utility model, the screw expander unit also comprises variable-speed motor, and screw expander is connected with load equipment by variable-speed motor.
Advantage of the present utility model is that the screw expander unit application is in energy-saving and cost-reducing, the highly effective of low-grade sewage reusing of energy source.Can directly utilize the hot water high efficiency to produce mechanical energy, thereby generation electric power, so it is specially adapted to the water reuse of steel works, substitute by its that motor drives feed water pump and blower fan can be saved a large amount of electricity consumptions, the used heat liquid that discharges for enterprise finds an available approach, brings considerable recovery benefit.In addition, this environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system also meets the energy-conserving and environment-protective requirement, and CO2 emission is zero, and nitrogen oxide and sulfide emission are zero.
In order further to understand the utility model is to reach technology, means and the effect that predetermined purpose is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, can obtain thus going deep into and concrete understanding, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the utility model is limited.
[description of drawings]
Can more specifically describe the utility model by example with reference to the accompanying drawings, wherein accompanying drawing is not proportionally drawn, in the accompanying drawings:
Figure 1A and Figure 1B have shown the basic principle of screw expander;
Fig. 2 has shown the basic structure of screw expander unit; And
Fig. 3 has shown the schematic representation according to the embodiment of environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system of the present utility model.
[embodiment]
Please refer to Figure 1A and Figure 1B, shown the basic principle of screw expander 10.In inlet duct road junction 4 entered the teeth groove that female screw 2, positive screw rod 1 form, along with the rotation of positive screw rod 1 and female screw 2, cavity volume increased working medium gradually by inlet pipe 3, and the working medium step-down cooling acting of expanding is finished the working medium of merit and discharged by outlet conduit 5.Power can drive equipment such as feed water pump, blower fan, generator by the output terminal output of positive screw rod 1.
Fig. 2 has shown the basic structure of screw expander unit 30, and it comprises screw expander 10, load equipment 20, modulating valve 32, electric control cabinet 33, fuel tank 34 and pedestal 31.Screw expander 10 has inlet pipe shown in Figure 13 and outlet conduit 5.Screw expander 10 links to each other with the output shaft of load equipment 20 by positive screw rod (figure does not show).Variable-speed motor (figure does not show) is set between screw expander 10 and load equipment 20 as required.
Please refer to Fig. 3, it has shown the schematic representation according to the embodiment of environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system of the present utility model.Among Fig. 3, the environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system is connected with existing boiler-steam dome 301 by plumbing drain 315, the sewage acting that utilizes boiler-steam dome 301 to discharge, and the sewage after will do work by plumbing drain 316 is supplied to boiler blow-off reclaiming system (scheming not show).Wherein the boiler blow-off reclaiming system comprises platoon development unit 312, arranges development unit 313 and oxygen-eliminating device 311 surely, and boiler-steam dome 301 is discharged large amount of sewage in plumbing drain 315.
Comprise the screw expander unit 302 that links to each other by plumbing drain 315 and plumbing drain 316 according to environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system of the present utility model, sewage control valve 307 and a plurality of sewage stop valve 306,308, sewage flows into the acting of screw expander unit by plumbing drain 315, sewage after the acting is supplied to blowdown reclaiming system (its flow direction is shown in S1 among Fig. 3) through plumbing drain 316 again, wherein the screw expander unit comprises screw expander 302 and the load equipment 304 that links to each other, and this load equipment 304 can be a generator, equipment such as pump and blower fan.
In addition, sewage stop valve 306,308,314 is located at respectively on plumbing drain 315 and the plumbing drain 316, is used to isolate foul sewer system, and sewage control valve 307 is located on the plumbing drain 315, is used to control the flow of sewage.
The environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system more comprises control system 309 and lubrication system 310, control system 309 is used to the working state controlling the screw expander unit and be positioned at the control valve 307 on the plumbing drain 315, lubrication system 310 is used for lubricated screw expander unit, to guarantee its proper functioning.
Continuation is referring to Fig. 3, and the blowdown reclaiming system comprises platoon development unit 312 and arranges development unit 313 surely, is used for the sewage after the acting is carried out the dilatation step-down to isolate steam.In addition, the blowdown reclaiming system more comprises oxygen-eliminating device 311, is used for recycling by platoon development unit 312 and arranges development unit 313 isolated steam surely, and utilize this steam that the water storages in the oxygen-eliminating device 311 are carried out deoxygenation and handle.
It should be noted that above-described blowdown reclaiming system is not unique mode of execution of the present utility model, in the utility model, can adopt various existing blowdown reclaiming systems, the utility model does not limit it.
In the above-described embodiments, only the utility model has been carried out exemplary description, but those skilled in the art can carry out various modifications to the utility model after reading present patent application under the situation that does not break away from spirit and scope of the present utility model.
Claims (5)
1. an environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system is connected with existing waste heat source of sewage by first plumbing drain, and the waste heat sewage acting that utilizes described waste heat source of sewage to discharge is characterized in that:
Described environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system comprises screw expander unit, sewage control valve and the sewage stop valve that links to each other by described first plumbing drain and described second plumbing drain, described waste heat sewage flows into the acting of described screw expander unit by described first plumbing drain, sewage after the acting is supplied to waste water recovery system through described second plumbing drain again, wherein
Described screw expander unit comprises screw expander and continuous load equipment, and wherein, described waste heat sewage promotes described screw expander work to provide motivational drive described load equipment;
Described sewage stop valve is located on described first plumbing drain, is used to control the circulation of sewage; And
Described many group sewage control valves are located on described first plumbing drain and described second plumbing drain, are used to control the flow of sewage.
2. environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system according to claim 1 is characterized in that, described waste water recovery system comprises the platoon development unit and arranges development unit surely, is used for the sewage after the described acting is carried out the dilatation step-down to isolate steam.
3. environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system according to claim 2 is characterized in that described waste water recovery system comprises oxygen-eliminating device, is used to recycle described steam.
4. environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system according to claim 1, it is characterized in that, described environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system further comprises control system and lubrication system, described control system is used to control described screw expander unit and is positioned at control valve on described second plumbing drain, and described lubrication system is used for lubricated described screw expander unit.
5. environment-friendly and energy-saving emission-reduction sewerage heat energy recovery system according to claim 1, described screw expander unit also comprises variable-speed motor, described screw expander is connected with load equipment by described variable-speed motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203017139U CN201599134U (en) | 2010-01-27 | 2010-01-27 | Environment-friendly energy saving and emission reduction sewage thermal energy recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203017139U CN201599134U (en) | 2010-01-27 | 2010-01-27 | Environment-friendly energy saving and emission reduction sewage thermal energy recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599134U true CN201599134U (en) | 2010-10-06 |
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ID=42810187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203017139U Expired - Fee Related CN201599134U (en) | 2010-01-27 | 2010-01-27 | Environment-friendly energy saving and emission reduction sewage thermal energy recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599134U (en) |
-
2010
- 2010-01-27 CN CN2010203017139U patent/CN201599134U/en not_active Expired - Fee Related
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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: 20101006 Termination date: 20130127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |