CN100455970C - Sewage and surface water heat pump open tunnel type heat exchanging tank heat exchanging method and apparatus thereof - Google Patents
Sewage and surface water heat pump open tunnel type heat exchanging tank heat exchanging method and apparatus thereof Download PDFInfo
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- CN100455970C CN100455970C CNB2007100723265A CN200710072326A CN100455970C CN 100455970 C CN100455970 C CN 100455970C CN B2007100723265 A CNB2007100723265 A CN B2007100723265A CN 200710072326 A CN200710072326 A CN 200710072326A CN 100455970 C CN100455970 C CN 100455970C
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Abstract
The invention discloses the sewage and the surface water heat pump open canal type heat exchange trough heat exchange method and its equipment, which is relates to a heat pump open canal type heat exchange trough heat exchange method and its equipment. The invention goal is that it solves the problems of the relatively complex existing system craft, the massive dirt causes the heat transfer efficiency weaken too quickly, the short clean maintenance cycle, the big operation work load. The invention method sends the sewage or the surface water in the flow channel of the cross-sectional area at least 300mmX40mm, the incline slope or the hydraulic gradient of the flow channel is 0.5%-6%, the sewage or the surface water become the non- full pipe in the flow channel open canal type to flow. The multi-heat pipe (3) of the invention equipment paralleling connects on the flow bottom (4) and keeps a gap with the flow bottom (4). The invention method sewage according to the non- full pipe open canal flow, because of the open style, not only can not appear blinding question, moreover easier clean maintenance the exchange hot face, and few flow channels, the small clean work load, even may on-line clean. The invention installment has the merit of simply structure, easy maintain.
Description
Technical field
The present invention relates to a kind of heat-exchange method and device thereof of heat pump open tunnel type heat exchanging tank.
Background technology
Municipal sewage and surface water (water of river, lake and sea) are the energy of good low level, renewable, cleaning, it is space heating or air-conditioning that development and use municipal sewage and surface water can be used as the heat pump Cooling and Heat Source, be sewage or surface water heat pump heat supply and air-conditioning, have the important energy saving and the value of environmental protection.For example, about 10 ℃ sewage are reduced by 5 ℃, extract 5 ℃ temperature difference heat energy, this heat energy is low level, utilizes the heat pump cycle principle to carry out a high position again and transforms, and makes it to reach about 50 ℃ or higher, be space heating then, to reach the purpose of building energy conservation, utilize municipal sewage and surface water not to have the burning of coal process as the heat pump Cooling and Heat Source, have environmental-protection function.The energy-conservation amplitude of more traditional heating system reaches 45%, the also proportional minimizing of the discharge capacity of pollutant.
The utilization of this energy (or sewage water heat pump system) is made up of two processes of extraction and conversion of heat energy, and leaching process wherein is meant that sewage or surface water carry out heat exchange by heat transmission equipment, is the key problem in technology of system, also is the major technique obstacle of current application.Because contain the suspension of some and a large amount of impurity in sewage and the surface water, utilizing its circulation is again open type, suspension in the heat transmission equipment and impurity are accumulation rapidly, stop up with soft dirty pollution problem extremely serious.If when not effective solution or counter-measure, system can not normal operation.
Existing technical scheme is a kind of to be the immersion type device, heat exchanger is placed directly among cesspool or the rivers, for example the patent No. be ZL01218852.2, Granted publication day are March 6 in 2002 day, be called the utility model patent of " sewage source aircondition ", such unit efficiency is low, and is difficult in maintenance.
Existing technical scheme another kind is earlier sewage or surface water to be done filtration treatment, exploitation filtering technique and equipment, utilize general heat exchange mode to carry out heat exchange again, for example the patent No. be ZL03132553.X, Granted publication day are January 26 in 2005 day, be called the patent of invention of " application process of urban sewage as cold and heat source and device "; Chinese patent application number is 200410155197.2, publication number is CN1587872A, open day be March 2 in 2005 day, be called the application for a patent for invention of " municipal sewage central heating (cold) device ", though solved blockage problem like this, but also make the system process relative complex, and being general heat exchange mode, key issue only is adapted to clear water usually, when sewage or surface water heat exchange, a large amount of dirts makes that the heat exchange efficiency decay is too fast, and the clean and maintenance cycle is short, and the operation element amount is too big.
Chinese patent application number is 200510009925.3, publication number is CN1687677A, open day be October 26 in 2005 day, be called the application for a patent for invention of " cold and heat source in straight flow from city native ground wastewater heat exchange application method of transporting ", certain advantage is arranged when water source distance (distance of sewage or surface water and building), but during close together, invest higher, in addition, the maintenance work in the water pipe is difficult.
Summary of the invention
The objective of the invention is for solving existing system technology relative complex, heat exchange efficiency is low, a large amount of dirts makes that the heat exchange efficiency decay is too fast, the clean and maintenance cycle is short, the operation element amount is too big, carries the heat exchange method when the water source close together, invests higher, maintenance work in the water pipe is the problem of difficulty, and the heat-exchange method and the device thereof of a kind of sewage or surface water heat pump open tunnel type heat exchanging tank is provided.The step of the heat-exchange method of sewage of the present invention or surface water heat pump open tunnel type heat exchanging tank is as follows: 1, sewage or surface water are sent in the runner that sectional area is at least 300mm * 40mm, the gradient of this runner or hydraulic gradient are 0.5%～6%, and sewage or surface water become the open tunnel type of non-full pipe to flow in runner; 2, the described runner of sewage or insulated stream warp is long straight channel or broken line runner; 3, arrange tube bank or plate face in the bottom surface or the both sides of described runner, heat transferring medium (clear water or cold-producing medium) flows in tube bank or plate face cavity and forms the heat exchange groove; 4, the tube bank of the bottom surface of runner or both sides or plate face connect (serial or parallel connection) by the medium communication means, and heat transferring medium and sewage or surface water carry out heat exchange by the bottom surface of runner or the tube bank or the plate face of both sides; 5, heat transferring medium enters the evaporimeter or the condenser of source pump again.Method of the present invention has following advantage: the sectional area of (1) runner is enough big, even suspension is arranged, also can not cause the obstruction fully of circulation section, and current can keep stability of flow ground to flow; (2) because the circulation section is very big, flow if press full packages, certainly will cause very low flow velocity, heat exchange efficiency can be very low, flows and press the non-full pipe open tunnel type, then can keep higher flow velocity, and in addition, Reynolds number is very big, and heat exchange efficiency is higher; (3) sewage is pressed single channel and is flowed, and all runners are connected mutually, and bigger flow is through a runner, and a large amount of suspensions or impurity can be driven and with flow, be also had souring when flow velocity is big by current, alleviate the wall dirt; (4) sewage is pressed the non-full pipe open channel and is flowed, owing to be open, not only blockage problem can not occur, and the clean and maintenance of exchange hot side is easier, and the runner number is few, and the cleaning amount is little, but even on-line cleaning; (5) do not need to take anti-blocking technology and equipment, work simplification, investment reduces.And the form of taking open channel to flow, flow resistance is very little, and energy consumption is low; (6) this method than Chinese patent application number be 200510009925.3, publication number is CN1687677A, open day be that the advantage of conveying heat exchange method that October 26 in 2005, day, were called the application for a patent for invention exploitation of " cold and heat source in straight flow from city native ground wastewater heat exchange application method of transporting " is equal length of flow, heat exchange area will exceed several times, even tens times, in addition, method of the present invention is a partly-filled pipe-flow, carry the flow resistance of this full-section pipe-flow of heat exchange method little a lot, almost nil by contrast, energy consumption is low, invests low.Sewage of the present invention or surface water heat pump open tunnel type heat exchanging tank heat exchanging device are by sewage or surface-water inlet 1, sewage or surface water outlet 2, a plurality of heat exchanger tubes 3, runner bottom surface 4, medium communication means 5, housing 6, left side end socket 7, right end socket 8, a plurality of cushion blocks 9 and a plurality of water fender 10 are formed, sewage or surface-water inlet 1 are connected the top of housing 6, sewage or surface water outlet 2 are connected the bottom of housing 6, a plurality of heat exchanger tubes 3 are connected in parallel on the runner bottom surface 4 and with runner bottom surface 4 and maintain the gap, the two ends of a plurality of heat exchanger tubes 3 are communicated with two medium communication means 5 respectively, and heat exchanger tube 3 is provided with 0.5%～6% gradient jointly with runner bottom surface 4; The both sides of runner bottom surface 4 are connected with the inwall of housing 6, and the termination of runner bottom surface 4 is connected with medium communication means 5; Side in the medium communication means 5 of the upper end of each runner bottom surface 4 is fixed with cushion block 9, is fixed with water fender 10 at the upside of cushion block 9, and left end socket 7 is fixedlyed connected with housing 6 respectively with right end socket 8, and heat exchanger tube 3 forms heat exchange grooves 11.Device of the present invention has simple in structure, the advantage that is easy to safeguard.
Description of drawings
Fig. 1 is the principle schematic of the heat-exchange method of sewage of the present invention or surface water heat pump open tunnel type heat exchanging tank, Fig. 2 is the schematic diagram of the specific embodiment two, Fig. 3 and Fig. 4 are the schematic diagrams of the specific embodiment three, Fig. 5 is the schematic diagram of the specific embodiment four, Fig. 6 is the overall structure front view of sewage or surface water heat pump open tunnel type heat exchanging tank heat exchanging device, Fig. 7 is the A-A cutaway view of Fig. 6, and Fig. 8 is the B-B cutaway view of Fig. 6, and Fig. 9 is the C-C cutaway view of Fig. 6.Reference numeral 1 among the figure is sewage or surface-water inlet, the 2nd, and sewage or surface water outlet, the 3rd, heat exchanger tube, the 4th, the runner bottom surface, the 5th, medium communication means, the 6th, housing, the 7th, left end socket, the 8th, right end socket, the 9th, cushion block, the 10th, water fender, the 11st, heat exchange groove, the 13rd, the runner wall, the 14th, sewage single channel, the 15th, heat pump, the 16th, compressor, the 17th, condenser or evaporimeter, the 18th, expansion valve or cut-off equipment, the 19th, building or machine room, the 20th, communication means, the 22nd, the outflow direction of heat transferring medium, the 23rd, the approach axis of heat transferring medium.
The specific embodiment
The specific embodiment one: the step of the sewage of (referring to Fig. 1) present embodiment or the heat-exchange method of surface water heat pump open tunnel type heat exchanging tank is as follows: 1, sewage or surface water are sent in the runner of sectional area 〉=300mm * 40mm, the gradient of this runner or hydraulic gradient are 0.5%～6%, and sewage or surface water become the open tunnel type of non-full pipe to flow in runner; 2, the described runner of sewage or insulated stream warp is long straight channel or broken line runner; 3, arrange tube bank or plate face in the bottom surface or the both sides of described runner, heat transferring medium (clear water or cold-producing medium etc.) flows in tube bank or plate face cavity and forms the heat exchange groove; 4, the tube bank of the bottom surface of runner or both sides or plate face connect (serial or parallel connection) by the medium communication means, and heat transferring medium and sewage or surface water carry out heat exchange by the bottom surface of runner or the tube bank or the plate face of both sides; 5, heat transferring medium enters the evaporimeter or the condenser of source pump again.
The specific embodiment two: (referring to Fig. 2) present embodiment is that long straight channel of a kind of sewage or surface water open tunnel type or heat exchange concentrated flow are moved hot mode, underground or ground in a certain section between water source and building (or machine room), long straight channel or a few broken line runner of sewage perhaps when having enough spaces with other selected place, machine room are set, heat-exchanging tube bundle or plate face are arranged in bottom surface or both sides at runner, form long straight heat exchange groove.Sewage or surface water are pumped by water pump and are entered in long straight channel or a few broken line runner open channel and flow, and heat transferring medium flows in tube bank or plate face cavity.
The specific embodiment three: (referring to Fig. 3, Fig. 4) present embodiment is the fluid interchange mode of a kind of sewage or a plurality of runners of surface water open tunnel type or a plurality of heat exchange groove tandem compounds, this moment, the length of single runner or heat exchange groove was less, and a plurality of tandem compounds that carry out form the broken line runner.Sewage flows to last runner or heat exchange groove one by one from first runner or heat exchange groove from top to bottom, and flowing in all runners or the heat exchange groove is channel flow.Sewage or surface water are by tube bank or plate face and heat transferring medium heat exchange in the runner.Tube bank in each runner or the heat exchange groove or plate face cavity can be implemented to be connected in series or implement string, also mixing connection, with the flow velocity and the flow resistance of control heat transferring medium.
The specific embodiment four: (referring to Fig. 5) present embodiment is a plurality of runners or the heat exchange groove that the cold-producing medium of source pump directly enters tandem compound.Cold-producing medium enters heat-exchanging tube bundle or plate face in sewage or the surface water heat exchange groove by certain series and parallel mode, carry out heat exchange by heat-transfer surface and sewage or surface water, extract heat energy, after becoming gaseous state by liquid state, come out to enter compressor compresses from the heat exchange groove, enter the condenser condenses heat release again, come out after throttling expansion, and then enter the heat exchange groove of sewage or surface water from condenser.As condenser, make the flow direction of cold-producing medium opposite, and cold-producing medium heat release in sewage.Sewage then flows from top to bottom.
The specific embodiment five: (referring to the sewage of the present embodiment of Fig. 6～Fig. 9) or surface water heat pump open tunnel type heat exchanging tank heat exchanging device by sewage or surface-water inlet 1, sewage or surface water outlet 2, a plurality of heat exchanger tubes 3, runner bottom surface 4, medium communication means 5, housing 6, left side end socket 7, right end socket 8, a plurality of cushion blocks 9 and a plurality of water fender 10 are formed, sewage or surface-water inlet 1 are connected the top of housing 6, sewage or surface water outlet 2 are connected the bottom of housing 6, a plurality of heat exchanger tubes 3 are connected in parallel on the runner bottom surface 4 and with runner bottom surface 4 and maintain the gap, the two ends of a plurality of heat exchanger tubes 3 are communicated with two medium communication means 5 respectively, and heat exchanger tube 3 is provided with 0.5%～6% gradient jointly with runner bottom surface 4; The both sides of runner bottom surface 4 are connected with the inwall of housing 6, and the termination of runner bottom surface 4 is connected with medium communication means 5; Side in the medium communication means 5 of the upper end of each runner bottom surface 4 is fixed with cushion block 9, is fixed with water fender 10 at the upside of cushion block 9,, left end socket 7 is fixedlyed connected with housing 6 respectively with right end socket 8, and heat exchanger tube 3 forms heat exchange grooves 11.The course of work of present embodiment is: sewage or surface water enter from sewage or surface-water inlet, then from top to bottom, flow to last runner or heat exchange groove one by one from first runner or heat exchange groove, in all runners or the heat exchange groove flow for open channel mobile, current cover heat exchanger tube, flow out from sewage or surface water outlet then.Heat transferring medium then enters from the medium connecting leg, carries out heat exchange by heat exchanger tube and sewage or surface water, and the medium connecting leg from opposite side flows out then.
The specific embodiment six: (referring to Fig. 1, Fig. 2) present embodiment heat exchanger tube 3 is 1% with the common gradient of runner bottom surface 4.Other is identical with the specific embodiment five.
The specific embodiment seven: (referring to Fig. 1, Fig. 2) present embodiment heat exchanger tube 3 is 2% with the common gradient of runner bottom surface 4.Other is identical with the specific embodiment five.
The specific embodiment eight: (referring to Fig. 1, Fig. 2) present embodiment heat exchanger tube 3 is 3% with the common gradient of runner bottom surface 4.Other is identical with the specific embodiment five.
The specific embodiment nine: (referring to Fig. 1, Fig. 2) present embodiment heat exchanger tube 3 is 4% with the common gradient of runner bottom surface 4.Other is identical with the specific embodiment five.
The specific embodiment ten: (referring to Fig. 1, Fig. 2) present embodiment heat exchanger tube 3 is 5% with the common gradient of runner bottom surface 4.Other is identical with the specific embodiment five.
Claims (9)
1, the heat-exchange method of a kind of sewage or surface water heat pump open tunnel type heat exchanging tank, the step of heat-exchange method that it is characterized in that sewage or surface water heat pump open tunnel type heat exchanging tank is as follows: (1) is sent into sewage or surface water in the runner that sectional area is at least 300mm * 40mm, the gradient of this runner or hydraulic gradient are 0.5%～6%, and sewage or surface water become the open tunnel type of non-full pipe to flow in runner; (2) the described runner of sewage or insulated stream warp is long straight channel or broken line runner; (3) arrange tube bank or plate face in the bottom surface or the both sides of described runner, heat transferring medium flows in tube bank or plate face cavity and forms the heat exchange groove; (4) tube bank of the bottom surface of runner or both sides or plate face connect by the medium communication means, and heat transferring medium and sewage or surface water carry out heat exchange by the bottom surface of runner or the tube bank or the plate face of both sides; (5) heat transferring medium enters the evaporimeter or the condenser of source pump again.
2, the heat-exchange method of sewage according to claim 1 or surface water heat pump open tunnel type heat exchanging tank, it is characterized in that the underground or ground in a certain section between water source and building is provided with the long straight channel or the broken line runner of sewage, heat-exchanging tube bundle or plate face are arranged in bottom surface or both sides at runner, form long straight heat exchange groove, sewage or surface water are pumped by water pump and are entered in long straight channel or the broken line runner open channel and flow, and heat transferring medium flows in tube bank or plate face cavity.
3, the heat-exchange method of sewage according to claim 1 or surface water heat pump open tunnel type heat exchanging tank is characterized in that single runner carries out tandem compound and forms the broken line runner, and sewage or surface water flow to last runner one by one from first runner from top to bottom.
4, the used device of heat-exchange method of a kind of claim 1 sewage or surface water heat pump open tunnel type heat exchanging tank, this device is by sewage or surface-water inlet (1), sewage or surface water outlet (2), a plurality of heat exchanger tubes (3), runner bottom surface (4), medium communication means (5), housing (6), left side end socket (7), right end socket (8), a plurality of cushion blocks (9) and a plurality of water fender (10) are formed, sewage or surface-water inlet (1) are connected the top of housing (6), sewage or surface water outlet (2) are connected the bottom of housing (6), it is characterized in that a plurality of heat exchanger tubes (3) are connected in runner bottom surface (4) in parallel and upward and with runner bottom surface (4) maintain the gap, the two ends of a plurality of heat exchanger tubes (3) are communicated with two medium communication means (5) respectively, and heat exchanger tube (3) is provided with 0.5%～6% gradient jointly with runner bottom surface (4); The both sides of runner bottom surface (4) are connected with the inwall of housing (6), and the termination of runner bottom surface (4) is connected with medium communication means (5); Side in the medium communication means (5) of the upper end of each runner bottom surface (4) is fixed with cushion block (9), upside at cushion block (9) is fixed with water fender (10), left side end socket (7) is fixedlyed connected with housing (6) respectively with right end socket (8), and heat exchanger tube (3) forms heat exchange groove (11).
5, the used device of the heat-exchange method of sewage according to claim 4 or surface water heat pump open tunnel type heat exchanging tank is characterized in that the heat exchanger tube (3) and the common gradient of runner bottom surface (4) are 1%.
6, the used device of the heat-exchange method of sewage according to claim 4 or surface water heat pump open tunnel type heat exchanging tank is characterized in that the heat exchanger tube (3) and the common gradient of runner bottom surface (4) are 2%.
7, the used device of the heat-exchange method of sewage according to claim 4 or surface water heat pump open tunnel type heat exchanging tank is characterized in that the heat exchanger tube (3) and the common gradient of runner bottom surface (4) are 3%.
8, the used device of the heat-exchange method of sewage according to claim 4 or surface water heat pump open tunnel type heat exchanging tank is characterized in that the heat exchanger tube (3) and the common gradient of runner bottom surface (4) are 4%.
9, the used device of the heat-exchange method of sewage according to claim 4 or surface water heat pump open tunnel type heat exchanging tank is characterized in that the heat exchanger tube (3) and the common gradient of runner bottom surface (4) are 5%.
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| CNB2007100723265A CN100455970C (en) | 2007-06-07 | 2007-06-07 | Sewage and surface water heat pump open tunnel type heat exchanging tank heat exchanging method and apparatus thereof |
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| CNB2007100723265A CN100455970C (en) | 2007-06-07 | 2007-06-07 | Sewage and surface water heat pump open tunnel type heat exchanging tank heat exchanging method and apparatus thereof |
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| CN102338508A (en) * | 2011-08-18 | 2012-02-01 | 王全龄 | Ultra-low water temperature evaporator and heat pump unit comprising same |
| CN103090478B (en) * | 2011-11-07 | 2015-04-15 | 哈尔滨工大金涛科技股份有限公司 | Direct-type sewage source heat pump device |
| CN104236096A (en) * | 2014-09-11 | 2014-12-24 | 苏州巨浪热水器有限公司 | Heat exchange water storage tank |
| CN104792820B (en) * | 2015-04-24 | 2017-07-28 | 中国矿业大学 | A kind of open tunnel type fluid interchange characteristic research experimental rig |
| CN105486130A (en) * | 2015-12-31 | 2016-04-13 | 天津贝斯特斯科技有限公司 | Condensation hydraulic device used in sewage treatment |
| CN108730076A (en) * | 2018-06-14 | 2018-11-02 | 安徽天利动力股份有限公司 | A kind of engines exhaust gas recirculation purifier |
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| CN1687677A (en) * | 2005-04-26 | 2005-10-26 | 哈尔滨工业大学 | Heat exchange application method of transporting cold and heat source in straight flow from city native ground wastewater |
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| DE10122471A1 (en) * | 2001-05-09 | 2002-11-21 | Envicon Klaertech Verwalt | Combined waste-water treatment plant and heat pump, converts heat in waste-water to higher temperature |
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Effective date of registration: 20090206 Address after: No. 92 West straight street, Nangang District, Heilongjiang, Harbin Patentee after: HIT (Harbin Institute of Technology) Kint Technology Co., Ltd. Address before: No. 92 West straight street, Nangang District, Heilongjiang, Harbin Patentee before: Harbin Institute of Technology |
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Owner name: HUT JINTAO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HARBIN INSTITUTE OF TECHNOLOGY Effective date: 20090206 |