CN103836841B - The recycle device of the cold and hot amount of a kind of cities and towns native sewage water - Google Patents
The recycle device of the cold and hot amount of a kind of cities and towns native sewage water Download PDFInfo
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- CN103836841B CN103836841B CN201410103046.6A CN201410103046A CN103836841B CN 103836841 B CN103836841 B CN 103836841B CN 201410103046 A CN201410103046 A CN 201410103046A CN 103836841 B CN103836841 B CN 103836841B
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Abstract
The invention discloses the recycle device of the cold and hot amount of a kind of cities and towns native sewage water, comprise bushing type pipeline section, intermediary's water system, source pump and the end circulatory system; Described bushing type pipeline section comprises outer tube and interior pipe, is provided with helical form fin between inner and outer pipes, is respectively arranged with heat transfer medium water inlet pipe and heat transfer medium outlet pipe at bushing type pipeline section two ends; The delivery pump of the feed-line of the intermediary's water system heat transfer medium outlet pipe successively on coupling sleeve tubular type pipeline section, intermediary's water system, source pump and heat transfer medium water inlet pipe; The circulating line of the end circulatory system connects source pump, circulating pump and end cold and heat supply equipment successively.Good effect of the present invention is: clog-free, pollution-free, to remove contamination maintenance process without (active), can adapt to efficient, the stable heat exchange application of reclaiming the cold and hot amount of cities and towns native sewage water that native sewage water carrys out water yield natural trend.
Description
Technical field
The present invention relates to and a kind ofly reclaim the cold and hot amount of cities and towns native sewage water and it can be used as the recycle device of heat pump Cooling and Heat Source.
Background technology
Various clean regenerative resource is utilized to be architecture refrigerating as heat pump Cooling and Heat Source, to have important energy-saving and emission-reduction meaning for warm heating domestic hot water etc.Cities and towns native sewage water is the excellent low level heat energy of a kind of not yet large-scale development and utilization, has the features such as fluctuating temperature is little, enormous amount, growing amount are stable.The summer temp of cities and towns native sewage water is lower than outdoor environment temperature, and winter temperature is then higher than outdoor environment temperature, and in whole refrigeration season with for warm season, fluctuating temperature is little, contains a large amount of low temperature heat energy in water.Town sewage growing amount is large, and along with China's Urbanization Progress, its water yield is by increasing.
Sewage source heat pump system itself does not exist and limits by geological conditions as closed-loop ground source heat pump; groundwater heat pump limits by the underground water water yield and fwaater resources protection, and air source heat pump operational efficiency when torrid areas outdoor environment temperature is very high or cold district outdoor environment temperature is very low is low even cannot be run and the limitation such as winter frost removing.Therefore, cities and towns native sewage water comparatively other Cooling and Heat Source there is clear superiority and vast potential for future development and comprehensive benefit.
Since development, promoting regenerative resource Application in Building technology, the utilization attention always of cities and towns native sewage water.But up to the present, sewage source heat pump technology fails large-scale promotion application, and main cause is that cities and towns native sewage water water quality is very poor.Such as, town domestic sewage often contains higher organic matter (as starch, protein, grease etc.), a large amount of flexible fiber shape foreign material and hair, flexible floatation thing and minute yardstick suspension; And water quality of industrial sewage is also different, in general, containing the composition such as metal and inorganic compound, oils, organic pollution in trade effluent, the pH value of trade effluent often departs from 7 simultaneously, has certain acid-base value.Exactly because these particularity of sewage cause sewage source heat pump to occur following point in application process.
1. effluent stream is when pipeline and heat transmission equipment, because sewage Small and Medium Sized pollutant levels are high, very easily forms dirt, stickiness sludge blanket in heat exchange surface deposition or attaches formation biomembrane, oil film etc.And the blocking pipe such as floating thing and suspension and equipment entrance, it finally can block the flowing of sewage, worsens heat transfer process due to the increase of heat transfer resistance simultaneously.
2. sewage often causes pipeline and equipment corrosion, and the hydrogen sulfide especially in sewage easily makes pipeline and equipment corrosion get rusty.
3. blocking due to drainage flow makes heat transmission equipment flow resistance constantly increase, cause the continuous minimizing flowing through heat transmission equipment sewage quantity, the continuous increase of heat transfer resistance simultaneously, cause again the continuous reduction of heat transfer coefficient, therefore sewage source heat pump operation stability is poorer than other water resource heat pumps, and the speed of decay is more and more faster with extending running time for its refrigerating capacity and heating load.
4., due to the flow blockage of sewage and the decay of heat exchange amount, make the operation maintenance of sewage source heat pump frequent.
Therefore, this technology be applied, a set of being not only efficiently suitable for but also can the application process run steady in a long-term must be developed.
Chinese patent CN1687677A discloses one " cold and heat source in straight flow from city native ground wastewater heat exchange application method of transporting ", the method is applicable to the heat recovery of sewage in municipal sewage trunk canal, its operation principle is: when sewage to be delivered to from municipal sewage trunk canal near source pump and to return by sewage pump, direct current feed-line is utilized to double as sewage heat change system, sewage returns to trunk sewer downstream after cold and hot amount being passed to by carrier wall the heat carrier that the outer interannular of pipe flows, heat carrier by cold and hot amount through heat carrier pipeline and heat carry a pump pass to source pump after through between the inner and outer pipes that overheated carrier pipeline returns direct current feed-line annulus.Enter direct current feed-line may block to reduce native sewage water, and ensure the sewage inlet pipe line water yield, the method requires that feed-line diameter of inner pipe is at least 50mm, and velocity in pipes is at least 0.5m/s.But due to the impact of native sewage water water quality, the cold and hot amount extracted in urban original wastewater is reclaimed if the method be used for, in heat transfer process, the fouling of the equipment such as direct current feed-line and sewage pump can not be avoided, corrosion even to block and it causes changing the problems such as heat decay with pollution.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides the recycle device of the cold and hot amount of cities and towns native sewage water that one is clog-free, pollution-free, nothing (active) removes contamination maintenance process, efficient, the stable heat exchange application of reclaiming the cold and hot amount of cities and towns native sewage water that native sewage water carrys out water yield natural trend can be adapted to.
The technical solution adopted for the present invention to solve the technical problems is: the recycle device of the cold and hot amount of a kind of cities and towns native sewage water, comprises bushing type pipeline section, intermediary's water system, source pump and the end circulatory system; Described bushing type pipeline section comprises outer tube and interior pipe, is provided with helical form fin between inner and outer pipes, is respectively arranged with heat transfer medium water inlet pipe and heat transfer medium outlet pipe at bushing type pipeline section two ends; The delivery pump of the feed-line of the intermediary's water system heat transfer medium outlet pipe successively on coupling sleeve tubular type pipeline section, intermediary's water system, source pump and heat transfer medium water inlet pipe; The circulating line of the end circulatory system connects source pump, circulating pump and end cold and heat supply equipment successively.
Compared with prior art, good effect of the present invention is: cities and towns native sewage water is in town sewage pipe network flow process, bushing type pipeline section as sewage network part doubles as sewage heat exchanger, and sewage remains in sewage network and flows, and does not enter other pipelines and equipment.Cold and hot amount is passed to by the inner pipe wall of bushing type pipeline section the heat transfer medium (intermediary's water) flowed between inner and outer pipes by native sewage water, after heat transfer medium collects the cold and hot amount of native sewage water between inner and outer pipes, enter condenser or the evaporimeter of source pump, between the inner and outer pipes returning bushing type pipeline section after cold and hot amount is passed to source pump.
Further, the recycle device of the cold and hot amount of cities and towns of the present invention native sewage water, according to flowing through the change of the bushing type pipeline section sewage water yield, regulates the heat transfer medium flows speed between pipeline section inner and outer pipes, thus controls the heat transfer medium flow with sewage heat change.
User is when applying of the present invention, and utilize bushing type pipeline section in sewage network as sewage heat change system, eliminate the equipment such as sewage heat change pipeline, sewage pump, system initial cost is low, and technique is simple, is easy to install, stable.Its heat transmission equipment of recycle device (bushing type pipeline section) of the cold and hot amount of cities and towns of the present invention native sewage water is the part of sewage network, its pipeline section inner tube diameter is identical with contiguous non-bushing type pipeline section internal diameter, ensure that the problem of blocking flow section without large scale dirt, inside pipe wall is owing to being subject to washing away and cleaning of sewage natural flowing, pollute extremely limited, also eliminate active maintenance process of removing contamination simultaneously.Meanwhile, multistage bushing type pipeline section according to actual needs, can link up, makes its cooperation by user.The recycle device of the cold and hot amount of cities and towns of the present invention native sewage water is according to flowing through the change of the bushing type pipeline section sewage water yield, by regulating heat transfer medium flows speed, control the heat transfer medium flow with sewage heat change, cold-storage (heat) system can be set in source pump user side simultaneously, reclaim to greatest extent the cold and hot amount of cities and towns native sewage water for user while, cold (heat) more than needed for the moment amount is stored, accomplishes peak load shifting.In addition, the recycle device of the cold and hot amount of cities and towns of the present invention native sewage water also can with solar energy, biomass energy, other types shallow layer geothermal energy and the cooperation such as industrial exhaust heat, waste heat system, mutually supplement.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the sleeve type pipe segment structure schematic diagram for reclaiming the cold heat of cities and towns native sewage water of the present invention;
Fig. 2 is bushing type pipeline section water distributor structure schematic diagram;
Fig. 3 is bushing type attached in tandem overlapping mode schematic diagram;
Fig. 4 is the structural representation of apparatus of the present invention;
Fig. 5 is the structural representation of the apparatus of the present invention with cold-storage (heat) function;
Fig. 6 is the structural representation of apparatus of the present invention of many attached in tandem;
Fig. 7 is the structural representation of apparatus of the present invention of multi-heat source associating heat exchange.
Detailed description of the invention
The recycle device of the cold and hot amount of a kind of cities and towns native sewage water, as shown in Figure 4, bushing type pipeline section, intermediary's water system (comprising feed-line 13 and delivery pump 14), source pump 15 and the end circulatory system (comprising circulating line 16, circulating pump 17 and end cooling (heat) equipment 18) four parts are comprised.
Wherein: bushing type pipeline section possesses the function of heat exchange and conveying simultaneously, structure as shown in Figure 1, comprising: outer tube 1, helical form fin 2, interior pipe 3, heat transfer medium water inlet pipe 4, water-locator 5, water distribution mouth 6, water collector 7, heat transfer medium outlet pipe 8, connection socket 9 and connection bellmouth 10 form.Cities and towns native sewage water flows to downstream (connecting the direction of socket 9) by upstream (connecting the direction of bellmouth 10) in pipe 3 in bushing type pipeline section, heat transfer medium enters ring-type water-locator 5 from its water inlet pipe 4 and shunts, entered the screw-shaped flow paths be made up of outer tube 1, helical form fin 2 and interior pipe 3 by water distribution mouth 6, heat transfer medium flows to water collector 7 direction through this runner.Cities and towns native sewage water is contrary with heat transfer medium flows direction, and both are by interior pipe 3 tube wall countercurrent flow.Heat transfer medium complete heat exchange from the bushing type pipeline section other end through water collector 7(structure with water-locator 5) collect sent by heat transfer medium outlet pipe 8.
The concrete structure of water-locator as shown in Figure 2, because heat transfer medium is subject to the effect of gravity, the water distribution mouth heat transfer medium pressure being positioned at bottom is higher, and top pressure is lower, and each water distribution mouth can adopt the methods such as different openings size to make the heat transfer medium amount of each screw-shaped flow paths of inflow even.
Between bushing type pipeline section, series connection (or connecting with common sewage pipe) adopts spigot-and-socket bridging method as shown in Figure 3.Installation method is the same with normal concrete sewage conduct, the connection socket 9 of second segment pipeline section (in figure left side pipeline section) is inserted in the connection bellmouth 10 of first paragraph pipeline section (in figure right side pipeline section), caulking material filleting is first used after contraposition, then with encapsulant sealing, make it to become a connection firmly closed.For the situation of connecting between bushing type pipeline section, heat transfer medium flows out from the heat transfer medium outlet pipe 8 of first paragraph bushing type pipeline section, to be entered in second segment bushing type pipeline section carry out heat exchange by junction line 11 through heat transfer medium water inlet pipe 4.
Adopt the advantage of helical form fin 2 as follows between bushing type pipeline section inner and outer pipes: sewage network is embedded in the underground space, can be played a supporting role by helical form fin, maintain inner and outer pipes relative position, the fin be evenly arranged can make uniform force between inner and outer pipes; Helical form fin increases the heat exchange area of sewage and heat transfer medium, strengthens heat transfer effect; Heat transfer medium is separated into multi beam by helical form fin, avoids heat transfer medium to lodge in for a long time bottom annulus, causes hot short circuit.
Operation principle of the present invention is: when native sewage water 12 flows in town sewage pipe network, the bushing type pipeline section as sewage network part is utilized to double as sewage heat exchanger, sewage flows in pipe 3 in pipeline section, do not enter in other pipelines or equipment, by interior pipe 3 tube wall, cold and hot amount is passed to the follow-up afterflow of the heat transfer medium flowed in helical space between inner and outer pipes to downstream.Heat transfer medium sends bushing type pipeline section back to through feed-line 13 after cold and hot amount is passed to source pump 15 by the feed-line 13 in intermediary's water system and delivery pump 14.Evaporimeter, the condenser of source pump 15 carry out transmitting to cold and hot amount and change, the circulating line 16 of cold and hot amount through the end circulatory system and the conveying of circulating pump 17, and passing to cold and hot user by end cooling (heat) equipment 18.In order to realize large temperature difference heat exchange, reduce heat transfer medium flow velocity, reduce the energy resource consumption of intermediary's water system, sewage and heat transfer medium according to actual needs, partially or completely can adopt countercurrent flow when heat exchange.
Described above is the most basic implementation of the recycle device of the cold and hot amount of cities and towns of the present invention native sewage water, but be not construed as limiting the invention, such as, as long as can ensure or strengthen the mode of sewage and heat transfer medium heat exchange amount and heat exchange rate, be all feasible.In order to effectively ensure and strengthen sewage and heat transfer medium heat transfer effect, the present invention has also carried out following improvement.
Improve one:
Different according to cold-storage (heat) device set-up mode, can be divided in parallel with the end circulatory system and connect two kinds.For series connection, as shown in Figure 5.In present embodiment, cities and towns native sewage water flows through bushing type pipeline section and carries out heat exchange, and by intermediary's water system, the heat transferring medium being loaded with cold and hot amount is sent to the transmission and conversion of carrying out cold and hot amount in source pump 15, and the above-mentioned course of work is same as shown in Figure 4.Afterwards, cold and hot amount is delivered in cold-storage (heat) device 21 through cold-storage (heat) transmission system (comprising transmission pipeline 19 and transmission pump 20) and stores, cold needed for terminal temperature difference (heat) amount is extracted from cold-storage (heat) device 21, through the end circulatory system, cold (heat) amount is delivered to end cooling (heat) equipment 18, cold and hot amount is passed to cold and hot user.
Improve two:
When a bushing type pipeline section heat exchange amount is inadequate, according to actual needs two or more pipeline section cooperations can be carried out heat exchange.Be illustrated in figure 6 two sections of bushing type pipeline sections series operation (overlapping mode is shown in Fig. 3).Heat transfer medium enters screw-shaped flow paths by the heat transfer medium water inlet pipe 4 of first paragraph pipeline section (in figure downside pipeline section), discharged by heat transfer medium outlet pipe 8 after completing heat exchange with sewage, through junction line 11, enter from the second pipeline section (figure upside pipeline section) heat transfer medium water inlet pipe mouth 4 and carry out heat exchange, finally discharged by heat transfer medium outlet pipe 8, and be delivered to source pump 15 through intermediary's water system.All the other courses of work are same as shown in Figure 4.
Improve three:
Present embodiment is that multi-heat source parallel running is implemented, and comprises cities and towns native sewage water source, solar energy, biomass energy, other types shallow layer geothermal energy and the associating such as industrial exhaust heat, used heat.As shown in Figure 7, for source of sewage and solar association run.Heat transfer medium is delivered to bushing type pipeline section through intermediary's water system shunting and solar thermal collector 22 carries out heat exchange.The coupling of two parts heat exchange amount is determined by heat transfer medium shunt volume.Heat transfer medium after heat exchange collaborates or enters source pump 15 respectively.All the other courses of work are same as shown in Figure 4.
Claims (6)
1. a recycle device for the cold and hot amount of cities and towns native sewage water, is characterized in that: comprise bushing type pipeline section, intermediary's water system, source pump and the end circulatory system; Described bushing type pipeline section comprises outer tube and interior pipe, is provided with helical form fin between inner and outer pipes, is respectively arranged with heat transfer medium water inlet pipe and heat transfer medium outlet pipe at bushing type pipeline section two ends; The delivery pump of the feed-line of the intermediary's water system heat transfer medium outlet pipe successively on coupling sleeve tubular type pipeline section, intermediary's water system, source pump and heat transfer medium water inlet pipe; The circulating line of the end circulatory system connects source pump, circulating pump and end cold and heat supply equipment successively;
The heat transfer medium water inlet pipe of described bushing type pipeline section is arranged on water-locator, and the heat transfer medium outlet pipe of described bushing type pipeline section is arranged on water collector, and water-locator and water collector are respectively arranged with water distribution mouth and inlet.
2. the recycle device of the cold and hot amount of a kind of cities and towns native sewage water according to claim 1, is characterized in that: described source pump is connected with transmission pump, cold-storage and thermal storage device successively by transmission pipeline.
3. the recycle device of the cold and hot amount of a kind of cities and towns native sewage water according to claim 2, is characterized in that: described cold-storage and thermal storage device is in parallel with end cold and heat supply equipment or connect.
4. the recycle device of the cold and hot amount of a kind of cities and towns native sewage water according to claim 1, is characterized in that: described bushing type pipeline section is at least connected by bell and spigot overlapping mode by two sections.
5. the recycle device of the cold and hot amount of a kind of cities and towns native sewage water according to claim 1, it is characterized in that: be also provided with multi-heat source heat exchange heat collector in parallel with described intermediary water system, the thermal source of described multi-heat source heat exchange heat collector comprises cities and towns native sewage water source, solar energy, biomass energy, shallow layer geothermal energy and industrial exhaust heat used heat.
6. the recycle device of the cold and hot amount of a kind of cities and towns native sewage water according to claim 1, it is characterized in that: the openings of sizes of each water distribution mouth is arranged according to respective born pressure size, even to guarantee the heat transfer medium amount flowed in the runner between each helical form fin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410103046.6A CN103836841B (en) | 2014-03-19 | 2014-03-19 | The recycle device of the cold and hot amount of a kind of cities and towns native sewage water |
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| CN201410103046.6A CN103836841B (en) | 2014-03-19 | 2014-03-19 | The recycle device of the cold and hot amount of a kind of cities and towns native sewage water |
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| CN103836841B true CN103836841B (en) | 2016-02-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106123641B (en) * | 2016-08-19 | 2018-06-15 | 河北旺源管业有限公司 | Municipal sewage and city ground source formula heat-exchange system |
| CN107117751A (en) * | 2017-06-15 | 2017-09-01 | 天津理工大学 | A kind of direct heat-exchanging type sewage source heat pump pretreatment unit and processing method |
| CN107894052B (en) * | 2017-12-19 | 2024-03-01 | 陈相荣 | Multi-water quality ultralow temperature and wide temperature range mixed water source heat pump air conditioning system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201081470Y (en) * | 2007-08-16 | 2008-07-02 | 天津泰达热泵工程技术有限公司 | Optimized control device for solar assisted soil source heat pump heating system |
| CN201246829Y (en) * | 2008-07-29 | 2009-05-27 | 白莉 | Heat pump air conditioner system using immersed type corrugated pipe sewage water heat exchanger |
| CN201407930Y (en) * | 2009-06-01 | 2010-02-17 | 刘洪亮 | Highly-effective sewage heat exchanger |
| CN201731682U (en) * | 2009-12-29 | 2011-02-02 | 大连葆光节能空调设备厂 | Untreated sewage source heat pump system |
| CN202372031U (en) * | 2011-12-12 | 2012-08-08 | 中国建筑上海设计研究院有限公司 | Pipeline type waste water waste heat recovery device |
| CN202420032U (en) * | 2011-12-18 | 2012-09-05 | 湖南科技大学 | High-capacity pond energy storage type indirect heat exchange sewage source heat pump system |
| CN203771804U (en) * | 2014-03-19 | 2014-08-13 | 西南交通大学 | Urban untreated sewage cooling and heating capacity recycling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218674Y (en) * | 2008-05-23 | 2009-04-08 | 英特换热设备(浙江)有限公司 | Heat exchanger of plastic tube |
-
2014
- 2014-03-19 CN CN201410103046.6A patent/CN103836841B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201081470Y (en) * | 2007-08-16 | 2008-07-02 | 天津泰达热泵工程技术有限公司 | Optimized control device for solar assisted soil source heat pump heating system |
| CN201246829Y (en) * | 2008-07-29 | 2009-05-27 | 白莉 | Heat pump air conditioner system using immersed type corrugated pipe sewage water heat exchanger |
| CN201407930Y (en) * | 2009-06-01 | 2010-02-17 | 刘洪亮 | Highly-effective sewage heat exchanger |
| CN201731682U (en) * | 2009-12-29 | 2011-02-02 | 大连葆光节能空调设备厂 | Untreated sewage source heat pump system |
| CN202372031U (en) * | 2011-12-12 | 2012-08-08 | 中国建筑上海设计研究院有限公司 | Pipeline type waste water waste heat recovery device |
| CN202420032U (en) * | 2011-12-18 | 2012-09-05 | 湖南科技大学 | High-capacity pond energy storage type indirect heat exchange sewage source heat pump system |
| CN203771804U (en) * | 2014-03-19 | 2014-08-13 | 西南交通大学 | Urban untreated sewage cooling and heating capacity recycling device |
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