CN104896981A - Sewage heat exchange device capable of self-cleaning and inhibiting dirt - Google Patents

Sewage heat exchange device capable of self-cleaning and inhibiting dirt Download PDF

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Publication number
CN104896981A
CN104896981A CN201510233049.6A CN201510233049A CN104896981A CN 104896981 A CN104896981 A CN 104896981A CN 201510233049 A CN201510233049 A CN 201510233049A CN 104896981 A CN104896981 A CN 104896981A
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China
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heat exchanger
sewage
rotary
heat exchange
exchanger tube
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CN104896981B (en
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那威
宋艳
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Beijing University of Civil Engineering and Architecture
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Beijing University of Civil Engineering and Architecture
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a sewage heat exchange device, and belongs to the field of heat exchange equipment. The sewage heat exchange device comprises an upper water supply tank provided with a sewage inlet and a water distributor connecting pipe at the bottom, a sawtooth overflow tank water distributor arranged on the lower surface of the water distributor connecting pipe of the upper water supply tank, a heat exchange pipe line arranged below the sawtooth overflow tank water distributor and provided with a heat exchange medium inlet and a heat exchange medium outlet, and a water receiving tank arranged below the heat exchange pipe line and provided with a sewage outlet. As sewage vertically and uniformly drips on the surface of the heat exchange pipe line, for flowing a heat exchange medium inside, through the sawtooth overflow tank water distributor under the effect of gravity in a droplet or liquid column form, a liquid film continuously flowing on the surface of the heat exchange pipe line is formed to exchange heat with the heat exchange medium in the heat exchange pipe line; as the sewage flows on the surface of the heat exchange pipe line by the continuous flowing liquid film, the generation of such dirt as soft dirt on the heat exchange surface can be largely relieved and improved; and no sewage flows in a channel, so that no blockage phenomenon is generated, the dirt inhibiting effect in long-time continuous operation can be kept, and the heat exchange efficiency is improved.

Description

The sewage heat exchanger of energy automatically cleaning and scale suppression
Technical field
The present invention relates to heat-exchange apparatus field, particularly relate to the sewage heat exchanger of a kind of energy automatically cleaning and scale suppression.
Background technology
In city institute sewage effluent, heat accounts for about 15% of the total heat exhaust in city, municipal sewage amount is comparatively large, water temperature is higher than the common water source such as underground water, surface water, be good regenerative resource, adopt sewage source heat pump system to extract its heat and for city cold and heat supply, there is good energy-conserving and environment-protective meaning to reclaim low-phase energy.The outstanding problem that current sewage source heat pump system extracts sewage heat energy is that heat energy extracts link, containing the floating and pollutant such as size solid particle, glue and gel diffusate that suspends in a large number in sewage, cause the problem such as heat exchange surface fouling, blocking of the heat-exchanger rig of heat pump heat-obtaining, make the flow resistance increasing of the increase of heat exchange surface thermal resistance, heat exchange surface, thus reduce heat-exchanger rig heat transfer efficiency and increase heat pump energy consumption.
The existing heat-exchanger rig for heat-obtaining from sewage mainly contains immersion, shell-and-tube and fountain three kinds.The heat exchange efficiency of immersion heat-exchanger rig is lower, and floor space is large, and is easy to fouling and is difficult to cleaning, pipe shell type heat exchange device heat exchange efficiency before the non-fouling of heat-transfer surface is high, but sewage flows and very easily causes dirt generate at flow channel and pile up in tube side or shell side, blocking in flow channel is caused time serious, heat-transfer surface heat exchange efficiency after fouling sharply declines, need often to clear up the dirt of forming, the closed type structure of shell-and-tube also causes the difficulty of cleaning dirt to strengthen, pipe shell type heat exchange device also needs cooperation to deter machine jointly to use usually, but the machine that deters has certain removal effect for the large scale dirt of process below 2mm usually, still cannot prevent and improve the dirts such as the thin-skinned dirt of heat transfer sheet and generate phenomenon, and set up the machine of deterring and significantly increase heat-exchanger rig cost.The scheme of existing improvement sewage pipe shell-type heat-exchanger rig also has plenty of the passage strengthening sewage flow, formed " wide runner ", though sewage blocking probability in flow channel can be reduced, but the fouling of heat-transfer surface still exists, and significantly strengthening size and the floor space of heat-exchanger rig, heat exchange efficiency also will decline, applicant has disclosed a kind of sewage water heat-energy recovering apparatus of anti-tartar at Chinese patent CN202747844U and CN202747842U, this device adopts fountain heat exchange mode, need the heat exchange surface adopting specific dimensions and processing method, as the groove in heat exchange surface katal sizing, with modes such as fins, heat exchanger processing difficulty and cost all obviously increase, heat exchanger overall dimensions is also larger, and the implementation method of its scale suppression reduces dirt to generate induction period, dirt continued propagation phenomenon is still had long-term operation continuously, limit longtime running scale inhibition and the reliability of device, and the easy fouling and can not realize fouling self-cleaning after longtime running of described device.
Summary of the invention
Based on the problem existing for above-mentioned prior art, the invention provides the sewage heat exchanger of a kind of energy automatically cleaning and scale suppression, the auxiliary devices such as the machine of deterring need not be set up, sewage quality requirement is wide in range and long-term operation continuously still has scale inhibition, keeps the sewage heat exchanger of higher heat exchange efficiency.
For solving the problems of the technologies described above, the invention provides the sewage heat exchanger of a kind of energy automatically cleaning and scale suppression, comprising:
Water-locator adapter, sawtooth overflow launder water-locator, rotary-type heat exchanger tube row, first, second rotational connector, drive disk assembly, transmission device, drive unit, pivoting controller, water receiving case, water receiving case sewage draining exit and outlet of sewer bottom sewage pump, upper supply tank, heat-exchanger rig framework, upper supply tank wastewater inlet, upper supply tank sewage draining exit, upper supply tank; Wherein,
Described upper supply tank is fixedly located on described heat-exchanger rig framework, described upper supply tank wastewater inlet, upper supply tank sewage draining exit are all located at described upper supply tank side, and bottom described upper supply tank, water-locator adapter to be located at bottom described upper supply tank and to be communicated with in described upper supply tank;
Described sewage pump be located at connect described upper supply tank wastewater inlet pipeline on;
Described sawtooth overflow launder water-locator is located at bottom described upper supply tank, takes over be connected with water-locator bottom described upper supply tank;
Described rotary-type heat exchanger tube row are located at the vertical lower of described sawtooth overflow launder water-locator, be in described heat-exchanger rig framework, the two ends of these rotary-type heat exchanger tube row are movably connected on described heat-exchanger rig framework respectively by first, second rotational connector described;
Described rotary-type heat exchanger tube arranges by heat exchange coil pipe row, first, second rotary-type coil pipe framework, heat transferring medium entrance and heat transferring medium export mixes; Wherein, described heat exchange coil pipe row level is fixedly located on first, second rotary-type coil pipe framework described, first, second rotary-type coil pipe framework described is plate-like, described heat transferring medium entrance is located at outside described first rotary-type coil pipe framework, described heat transferring medium outlet is located at outside described second rotary-type coil pipe framework, the entrance that described heat transferring medium entrance arranges with described heat exchange coil pipe is connected, and described heat transferring medium outlet is connected with the outlet that described heat exchange coil pipe arranges;
First rotary type connector of described rotary-type heat exchanger tube row side is provided with drive disk assembly, described drive disk assembly is connected with described drive unit through described transmission device, and described drive unit can drive described rotary-type heat exchanger tube to arrange with its axis by angle that is clockwise or counterclockwise rotation setting;
Described pivoting controller, is connected with described drive unit, can control described drive unit and drive described rotary-type heat exchanger tube to arrange with its axis by angle that is clockwise or counterclockwise rotation setting;
Described water receiving case, be located at described rotary-type heat exchanger tube row below, be in described heat-exchanger rig framework, this water receiving case is provided with outlet of sewer and water receiving case sewage draining exit, and described outlet of sewer connects blow-off line.
Beneficial effect of the present invention is: by by arranging upper supply tank from top to bottom, rotary-type heat exchanger tube row and water receiving case, and water-locator adapter is set bottom upper supply tank and sawtooth overflow launder water-locator is set below the adapter of this water-locator, rotary-type heat exchanger tube row are in the vertical lower of sawtooth overflow launder water-locator, sewage is made to be dropped in the rotary-type heat exchanger tube list face of internal flow heat transferring medium under gravity by sawtooth overflow launder water-locator Vertical Uniform with drop or fluid column form, formed and move continuous-flow liquid film at rotary-type heat exchanger tube list surface current under gravity, heat transferring medium heat exchange in arranging with rotary-type heat exchanger tube, liquid film vertical downflow, drainage flow speed continues to improve, last vertical drippage comes together in water receiving case and flows into blow-off line through outlet of sewer, because sewage moves at rotary-type heat exchanger tube list surface current in continuous-flow liquid film mode, can significantly slow down and improve the dirts such as the thin-skinned dirt of heat transfer sheet to generate, flow without clogging in passage without sewage, the long-term scale inhibition run continuously can be kept, improve heat exchange efficiency.Simultaneously due to rotary-type heat exchanger tube can under the driving of drive unit and pivoting controller with its axis by clockwise or counterclockwise rotate the angle of setting, rotate each horizontally disposed heat exchange coil of heat exchange coil Guan Liezhong that rotary-type heat exchanger tube is arranged to change with the relative position of fixing sawtooth overflow launder water-locator, change and be dropped in the horizontally disposed heat exchange coil surface formation continuous-flow liquid film of rotary-type heat exchanger tube row and the vertical range of each horizontally disposed heat exchange coil by sawtooth overflow launder water-locator Vertical Uniform, the flowing angle of continuous-flow liquid film and each horizontally disposed heat exchange coil, and then change the flow regime of continuous-flow liquid film at each horizontally disposed heat exchange coil, with the perturbation action of enhanced heat exchange coil surface flowing liquid membrane, reach descale effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the heat-exchanger rig that the embodiment of the present invention provides;
The front view of the heat exchanger tube row of the heat-exchanger rig that Fig. 2-a provides for the embodiment of the present invention;
The side view of the heat exchanger tube row of the heat-exchanger rig that Fig. 2-b provides for the embodiment of the present invention;
The top view of the heat exchanger tube row of the heat-exchanger rig that Fig. 2-c provides for the embodiment of the present invention.
Detailed description of the invention
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
Figure 1 shows that the embodiment of the present invention provides a kind of can the sewage heat exchanger of automatically cleaning and scale suppression, for carrying out high efficiente callback to the waste heat of sewage, and it presses down and talks abusively effective, and this heat-exchanger rig comprises:
Water-locator adapter 20 bottom sewage pump 1, upper supply tank 10, heat-exchanger rig framework 11, upper supply tank wastewater inlet 2, upper supply tank sewage draining exit 3, upper supply tank, sawtooth overflow launder water-locator 9, rotary-type heat exchanger tube row 12, first, second rotational connector 4,13, drive disk assembly 8, transmission device 17, drive unit 15, pivoting controller 16, water receiving case 6, water receiving case sewage draining exit 7 and outlet of sewer 18; Wherein,
Upper supply tank 10 is fixedly located on heat-exchanger rig framework 11, and upper supply tank wastewater inlet 2, upper supply tank sewage draining exit 3 are all located at supply tank 10 side, and bottom upper supply tank, water-locator adapter 20 to be located at bottom supply tank 10 and to be communicated with in upper supply tank 10;
Sewage pump 1 is located on the pipeline of the upper supply tank wastewater inlet 2 of connection;
Sawtooth overflow launder water-locator 9 is located at bottom supply tank 10, is connected with water-locator adapter 20 bottom upper supply tank;
Rotary-type heat exchanger tube row 12 are located at the vertical lower of sawtooth overflow launder water-locator 9, are in heat-exchanger rig framework 11, and the two ends of these rotary-type heat exchanger tube row 12 are movably connected on heat-exchanger rig framework 11 respectively by first, second rotational connector 4,13;
Rotary-type heat exchanger tube row 12 by heat exchange coil pipe row 23, first, second rotary-type coil pipe framework 22,24, heat transferring medium entrance 14 and heat transferring medium export 5 and form; Wherein, heat exchange coil pipe row 23 level is fixedly located on first, second rotary-type coil pipe framework 22,24, first, second rotary-type coil pipe framework 22,24 is in plate-like, heat transferring medium entrance 14 is located at outside the first rotary-type coil pipe framework 22, heat transferring medium outlet 5 is located at outside the second rotary-type coil pipe framework 24, heat transferring medium entrance 14 is connected with the entrance of heat exchange coil pipe row 23, and heat transferring medium outlet 5 is connected with the outlet of heat exchange coil pipe row 23;
First rotary type connector 13 of rotary-type heat exchanger tube row 12 side is provided with drive disk assembly 8, drive disk assembly 8 is connected with drive unit 15 through transmission device 17, and drive unit 15 can drive rotary-type heat exchanger tube row 12 with its axis by angle that is clockwise or counterclockwise rotation setting;
Pivoting controller (16), is connected with drive unit 15, can drive rotary-type heat exchanger tube row 12 with its axis by angle that is clockwise or counterclockwise rotation setting by accessory drive 15;
Water receiving case 6, is located at below rotary-type heat exchanger tube row 12, is in heat-exchanger rig framework 11, and this water receiving case 6 is provided with outlet of sewer 18 and water receiving case sewage draining exit 7, and outlet of sewer 18 connects blow-off line.
In above-mentioned sewage heat exchanger, the heat exchange coil pipe row 23 of rotary-type heat exchanger tube row 12 are snakelike horizontally disposed pipe row.
In above-mentioned sewage heat exchanger, the body of heat exchange coil pipe row 23 is the circular straighttube of copper material or the circular straighttube of stainless steel.
In above-mentioned sewage heat exchanger, the body of heat exchange coil pipe row 23 is the circle corrugated pipe of copper material or the circle corrugated pipe of stainless steel.
In above-mentioned sewage heat exchanger, the body of heat exchange coil pipe row 23 is the round screw thread line pipe of copper material or the round screw thread line pipe of stainless steel.
In above-mentioned sewage heat exchanger, drive disk assembly 8 is travelling gear; Transmission device 17 is driving chain or driving belt; Drive unit 15 adopts motor; Pivoting controller 16 adopts electric controller, is electrically connected with drive unit 15.Control motor by pivoting controller 16 like this to coordinate with travelling gear through driving chain or driving belt, automatically can drive rotary-type heat exchanger tube row 12, the dirt that heat exchange coil pipe row 23 surface of removing rotary-type heat exchanger tube row 12 is formed.
In above-mentioned sewage heat exchanger, pivoting controller 16 accessory drive 15 drives rotary-type heat exchanger tube row 12 as follows by mode that is clockwise or counterclockwise rotation set angle with its axis:
This sewage heat exchanger runs more than 1 day or 1 day continuously, with the framework circle center line connecting of first, second rotary-type coil pipe framework 22,24 of rotary-type heat exchanger tube row 12 for trunnion axis, pivoting controller 16 accessory drive 15 drives rotary-type heat exchanger tube row 12 with the vertical symmetry axis of these rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise, θ angle angle 28 is gone to by vertical angle 29, θ angle is the anglec of rotation, and this rotation angle range is 80 degree to 100 degree.
In above-mentioned sewage heat exchanger, pivoting controller 16 accessory drive 15 drives rotary-type heat exchanger tube row 12 as follows by mode that is clockwise or counterclockwise rotation set angle with its axis:
This sewage heat exchanger runs more than 3 days or 3 days continuously, with the framework circle center line connecting of first, second rotary-type coil pipe framework 22,24 of rotary-type heat exchanger tube row 12 for trunnion axis, pivoting controller 16 accessory drive 15 drives rotary-type heat exchanger tube row 12 with the vertical symmetry axis of these rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise, θ angle angle 28 is gone to by vertical angle 29, θ angle is the anglec of rotation, and this rotation angle range is 170 degree to 190 degree.
In above-mentioned sewage heat exchanger, the downward-sloping setting of blow-off line that the outlet of sewer 18 of water receiving case 6 connects, gradient is not less than 3%, is convenient to make sewage enter blow-off line by gravity;
Or, also comprise: sewage excavationg pump 19, on the blow-off line that the outlet of sewer 18 being located at water receiving case 6 connects.By sewage excavationg pump 19 effluent sewerage.
In above-mentioned sewage heat exchanger, drive unit 15 adopts runner, and pivoting controller 16 adopts spanner, is connected on drive unit 15.Such drive unit 15 coordinates with pivoting controller 16, can realize pulling rotary-type heat exchanger tube row 12 manually and forward certain angle to.
Sewage heat exchanger of the present invention, sewage separates with heat transferring medium, sewage is flow ipe not, dirt will be caused to block to pipe interior, rotary-type heat exchanger tube row 12 can conveniently turn an angle in addition, are engaged in the sewage of its upper vertical drippage, form disturbance, also the dirt on rotary-type heat exchanger tube row 12 surface be can remove easily, automatically cleaning and scale suppression achieved.
Below in conjunction with specific embodiment, heat-exchanger rig of the present invention is described further.
Heat-exchanger rig of the present invention is a kind of for existing immersion, shell-and-tube, fountain heat-exchanger rig very easily generates dirt at heat exchange surface, heat exchange efficiency obviously declines, the long-term heat exchange efficiency run continuously is low, without scale inhibition or scale inhibition poor, and also there is occupation of land increase for the heat-exchanger rig that these existing shortcomings are improved, heat exchange efficiency is still without significantly improving, without outstanding problems such as self-cleaning functions after longtime running fouling, what propose need not set up the auxiliary devices such as the machine of deterring, sewage quality requires wide in range, and long-term operation continuously still has scale inhibition, keep higher heat exchange efficiency, and there is the sewage heat exchanger of self-cleaning function.
As shown in Figure 1, the sewage heat exchanger of the embodiment of the present invention specifically comprises: the water-locator adapter 20 be provided with bottom the wastewater inlet 2 that sewage pump 1, upper supply tank 10, upper supply tank 10 are respectively equipped with and sewage draining exit 3, upper supply tank, sawtooth overflow launder water-locator 9, rotary-type heat exchanger tube row 12, Rotatable connector 4,13, the sewage draining exit 7 that is provided with of drive disk assembly 8, transmission device 17, drive unit 15, pivoting controller 16, water receiving case 6, water receiving case and outlet of sewer 18, sewage excavationg pump 19 and heat-exchanger rig framework 11; Rotary-type heat exchanger tube row 12 wherein by heat exchange coil pipe row 23, rotary-type coil pipe framework 22,24, heat transferring medium entrance 14, heat transferring medium export 5 and form, the heat transferring medium in rotary-type heat exchanger tube row 12 can adopt cold-producing medium or intermediary's water.
Wherein, upper supply tank 10 is bolted or welding manner is fixed on heat-exchanger rig framework 11 upper end, upper supply tank wastewater inlet 2, upper supply tank sewage draining exit 3 is all arranged in supply tank 10 side, bottom upper supply tank, water-locator adapter 20 is positioned at bottom supply tank 10, and connect sawtooth overflow launder water-locator 9, sawtooth overflow launder water-locator 9 vertical lower is rotary-type heat exchanger tube row 12, rotary-type heat exchanger tube row 12 are arranged in heat-exchanger rig framework 11, by Rotatable connector 4, 13 are connected on heat-exchanger rig framework 11, connection for transmission gear 8 on the Rotatable connector 13 of the rotary-type heat exchanger tube row 12 of heat-exchanger rig framework 11 side, this travelling gear is connected with drive unit 15 by driving chain or belt 17, drive unit 15 runs under the control of pivoting controller 16, thus drive rotary-type heat exchanger tube row 12 with its axis by rotating clockwise or counterclockwise, the heat exchange coil pipe row 23 of rotary-type heat exchanger tube row 12 are fixed on rotary-type coil pipe framework 22,24, rotary-type coil pipe framework 22,24 is in plate-like, heat transferring medium entrance 14, heat transferring medium outlet 5 is arranged in rotary-type coil pipe framework 22,24 both sides, heat exchange coil pipe row 23 press snakelike layout in horizontal positioned, the entrance 26 of heat exchange coil pipe row 23 is connected with heat transferring medium entrance 14, and outlet 27 and the heat transferring medium of heat exchange coil pipe row 23 export 5 and be connected, heat exchange coil pipe row 23 can adopt the circular straighttube of copper material.Heat exchange coil pipe row 23 also can adopt any one in the round screw thread line pipe of the circle corrugated pipe of the round screw thread line pipe of the circle corrugated pipe of copper material, copper material, stainless steel, stainless steel.
The running of heat-exchanger rig of the present invention is as follows: sewage passes through sewage pump 1 via the supreme supply tank wastewater inlet 2 of Cemented filling, sewage enters supply tank 10, sewage is by water-locator adapter 20 bottom upper supply tank, flow into sawtooth overflow launder water-locator 9, sewage is dropped in horizontally disposed heat exchange coil pipe row 23 surface of rotary-type heat exchanger tube row 12 under gravity with drop or fluid column form by sawtooth overflow launder water-locator 9 Vertical Uniform, form continuous-flow liquid film, under gravity, liquid film vertical downflow, flow through the horizontal heat exchange coil pipe pipe row 23 of snakelike layout successively, sewage moves speed at the flows by action that each heat exchange coil pipe row 23 surface is flowing in gravity to be continued to improve, last vertical drippage comes together in water receiving case 6, sewage flows into downstream line by water receiving case outlet of sewer 18, drained by sewage excavationg pump 19.Heat exchange coil pipe row 23 are flowed into through heat transferring medium entrance 14 as the cold-producing medium of heat transferring medium or intermediary's water, cold-producing medium or intermediary's water is full packages flowing in the pipe of heat exchange coil, heat exchange is carried out by the tube wall of heat exchange coil with sewage liquid film, cold-producing medium or intermediary's water flow through whole heat exchange coil pipe row 23 from top to bottom successively, flow out through heat transferring medium outlet 5, entering downstream line can connect the equipment such as source pump.Because sewage forms the heat exchange coil pipe row 23 surface flowing of continuous-flow liquid film at heat exchanger tube row 12, less scaling, sewage does not enter heat exchange pipeline, also can not because of sewage fouling in heat exchange pipeline.
After this heat-exchanger rig runs certain hour continuously, as 3 days, 7 days, 14 days, after individual month or other appointment interval running time of 1-3, with framework 22,24 circle center line connecting of rotary-type coil pipe framework for axle, rotary-type heat exchanger tube row 12 are driven to rotate clockwise or counterclockwise by pivoting controller 16 accessory drive 15, the vertical symmetry axis of rotary-type heat exchanger tube row 12 goes to θ angle by vertical angle (0 angle), θ is the anglec of rotation, and the anglec of rotation can change between 0 to 190 degree.Rotate and each horizontally disposed heat exchange coil in the heat exchange coil pipe row 23 of rotary-type heat exchanger tube row 12 is changed with the relative position of fixing sawtooth overflow launder water-locator 9, change and be dropped in the horizontally disposed heat exchange coil surface formation continuous-flow liquid film of rotary-type heat exchanger tube row 12 and the vertical range of each horizontally disposed heat exchange coil by sawtooth overflow launder water-locator 9 Vertical Uniform, the flowing angle of continuous-flow liquid film and each horizontally disposed heat exchange coil, to change the flow regime of continuous-flow liquid film at each horizontally disposed heat exchange coil, with the perturbation action of enhanced heat exchange coil surface flowing liquid membrane, reach descale effect.After heat exchange coil pipe row 23 surface smut comes off, jointly fall into water receiving case with sewage, flow into downstream line by water receiving case outlet of sewer, drained by sewage excavationg pump.
Concrete, as this heat-exchanger rig runs more than 1 day or 1 day continuously, with the framework circle center line connecting of rotary-type coil pipe framework 22,24 for axle, drive rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise by pivoting controller 16 accessory drive 15, as shown in Fig. 2-b, the vertical symmetry axis of rotary-type heat exchanger tube row 12 goes to angle 28, θ angle, θ angle by vertical angle 29 and is the anglec of rotation, and this anglec of rotation can change between 80 to 100 degree; Heat-exchanger rig runs more than 3 days or 3 days continuously, with the framework circle center line connecting of rotary-type coil pipe framework 22,24 for axle, drive rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise by pivoting controller 16 accessory drive 15, as shown in Fig. 2-b, the vertical symmetry axis of rotary-type heat exchanger tube row 12 goes to θ angle angle 28 by vertical angle 29, θ angle is the anglec of rotation, and this anglec of rotation can change between 170 to 190 degree; This heat-exchanger rig runs more than 8 days or 8 days continuously, with the framework circle center line connecting of rotary-type coil pipe framework 22,24 for axle, drive rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise by pivoting controller 16 accessory drive 15, as shown in Fig. 2-b, the vertical symmetry axis of rotary-type heat exchanger tube row 12 goes to θ angle angle 28 by vertical angle 29, θ angle is the anglec of rotation, and this anglec of rotation can change between 15 to 30 degree;
Run the intermittent phase, upper supply tank sewage draining exit 3 is applied to supply tank and sluices, overhauls, removes contamination; Water receiving case sewage draining exit 7 is applied to water receiving case and sluices, overhauls, removes contamination.
In this heat-exchanger rig running, by in above-mentioned running, control rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise, make rotary-type heat exchanger tube row 12 surperficial continuous-flow liquid film in the flow regime of each horizontally disposed heat exchange coil, form perturbation action, reach the effect of washing away scale removal.
Embodiment one
The sewage heat exchanger structure of the present embodiment adopts the above-mentioned sewage heat exchanger structure provided, wherein, and the circular straighttube of heat exchange coil pipe row 23 to be materials be copper.It is less that this heat-exchanger rig is mainly applicable to large scale dirt, the heat exchange of the sewage that water quality is higher, as sewage after sewage, after-treatment after sewage treatment plant's single treatment.
The running of this sewage heat exchanger is as follows:
(1) as Fig. 1, Fig. 2-a, Fig. 2-b, shown in Fig. 2-c, sewage passes through sewage pump 1 via the supreme supply tank wastewater inlet 2 of Cemented filling, sewage enters supply tank 10, sewage is by water-locator adapter 20 bottom upper supply tank, flow into sawtooth overflow launder water-locator 9, sewage is dropped in horizontally disposed heat exchange coil pipe row 23 surface of rotary-type heat exchanger tube row 12 under gravity with drop or fluid column form by sawtooth overflow launder water-locator 9 Vertical Uniform, form continuous-flow liquid film, under gravity, liquid film vertical downflow, flow through the horizontal heat exchange coil pipe pipe row 23 of snakelike layout successively, sewage moves speed at the flows by action that each heat exchange coil pipe row 23 surface is flowing in gravity to be continued to improve, last vertical drippage comes together in water receiving case 6, sewage flows into downstream line by water receiving case outlet of sewer 18, drained by sewage excavationg pump 19.
(2) as shown in Fig. 2-a, Fig. 2-b, Fig. 2-c, cold-producing medium or intermediary's water flow into heat exchange coil pipe row 23 through heat transferring medium entrance 14, cold-producing medium or intermediary's water is full packages flowing in the pipe of heat exchange coil, heat exchange is carried out by the tube wall of heat exchange coil with sewage liquid film, cold-producing medium or intermediary's water flow through whole heat exchange coil pipe row 23 from top to bottom successively, flow out through heat transferring medium outlet 5, entering downstream line can connect the equipment such as source pump.
(3) more than 8 days or 8 days are run continuously, as shown in Figure 1, with the framework circle center line connecting of rotary-type coil pipe framework 22,24 for axle, controlling motor 15 by pivoting controller 16 drives rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise, as shown in Fig. 2-b, the vertical symmetry axis of rotary-type heat exchanger tube row 12 goes to angle 28, θ angle, θ angle by vertical angle 29 and is the anglec of rotation, and this anglec of rotation can change between 15 to 30 degree.After rotation, each horizontally disposed heat exchange coil in heat exchange coil pipe row 12 is changed with the relative position of fixing sawtooth overflow launder water-locator 9, change the flowing angle that the horizontally disposed heat exchange coil surface being dropped in rotary-type heat exchanger tube row 23 by sawtooth overflow launder water-locator 9 Vertical Uniform forms the vertical range of continuous-flow liquid film and each horizontally disposed heat exchange coil, continuous-flow liquid film and each horizontally disposed heat exchange coil, to change the flow regime of continuous-flow liquid film at each horizontally disposed heat exchange coil.With the perturbation action of enhanced heat exchange coil surface flowing liquid membrane, reach descale effect.After heat exchange coil pipe row 23 surface smut comes off, jointly fall into water receiving case 6 with sewage, flow into downstream line by water receiving case outlet of sewer 18, drained by sewage excavationg pump 19.
(4) run the intermittent phase, upper supply tank sewage draining exit 3 is applied to supply tank 3 and sluices, overhauls, removes contamination; Water receiving case sewage draining exit 7 is applied to water receiving case 6 and sluices, overhauls, removes contamination.
Embodiment two
More for large scale dirt, the sewage that water quality is lower, as native sewage water.The present embodiment and embodiment one difference are to control in the running of sewage heat exchanger, continuous operation more than 3 days or 3 days, with the framework circle center line connecting of rotary-type coil pipe framework 22,24 for axle, controlling motor 15 by pivoting controller 16 drives rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise, as shown in Fig. 2-b, the vertical symmetry axis of rotary-type heat exchanger tube row 12 goes to θ angle angle 28 by vertical angle 29, θ angle is the anglec of rotation, and this anglec of rotation can change between 170 to 190 degree.Other step is identical with embodiment one.
Embodiment three
For the sewage containing more elongate pollutant, as contained crinite sewage.One of present embodiment and embodiment one or two difference is: described a kind of can automatically cleaning and scale suppression sewage heat exchanger running in, continuous operation more than 1 day or 1 day, as shown in Figure 1, with rotary-type coil pipe framework 22, the framework circle center line connecting of 24 is axle, controlling motor 15 by pivoting controller 16 drives rotary-type heat exchanger tube row 12 by rotating clockwise or counterclockwise, as shown in Fig. 2-b, the vertical symmetry axis of rotary-type heat exchanger tube row 12 goes to θ angle angle 28 by vertical angle 29, θ angle is the anglec of rotation, this anglec of rotation can change between 80 to 100 degree.Other is identical with embodiment one or two.
Embodiment four
One of the present embodiment and embodiment one to three difference is: the heat exchange coil pipe row 23 of rotary-type heat exchanger tube row 12 adopt the circular straighttube of stainless steel.Other is identical with embodiment one to three.
Embodiment five
One of present embodiment and embodiment one to four difference is: the heat exchange coil pipe row 23 of rotary-type heat exchanger tube row 12 adopt the circle corrugated pipe of copper material.Other is identical with embodiment one to four.
Embodiment six
One of present embodiment and embodiment one to five difference is: the heat exchange coil pipe row 23 of rotary-type heat exchanger tube row 12 are the round screw thread line pipes adopting copper material.Other is identical with embodiment one to five.
Embodiment seven
One of the present embodiment and embodiment one to six difference is: the heat exchange coil pipe row 23 of rotary-type heat exchanger tube row 12 adopt the circle corrugated pipe of stainless steel.Other step is identical with embodiment one to six.
Embodiment eight
One of present embodiment and embodiment one to seven difference is: the heat exchange coil pipe row 23 of rotary-type heat exchanger tube row 12 adopt the round screw thread line pipe of stainless steel.Other is identical with embodiment one to seven.
Embodiment nine
One of present embodiment and embodiment one to eight difference is: drive unit 15, pivoting controller 16 can adopt the mode manually pulled to replace, and realizes the rotation of rotary-type heat exchanger tube row 12 in a manual manner.Other is identical with embodiment one to eight.
Embodiment ten
One of the present embodiment and embodiment one to nine difference is: do not arrange sewage excavationg pump 19, and sewage adopts flow by gravity mode to flow into downstream line by water receiving case outlet of sewer 18, and downstream line should arrange the gradient being not less than 3%.Other is identical with embodiment one to nine.
Sewage heat exchanger of the present invention, heat exchange efficiency significantly improves than the heat exchange efficiency of immersion heat-exchanger rig, and floor space is little; More effective than the anti-tartar of existing pipe shell type heat exchange device, can significantly slow down and improve the dirts such as the thin-skinned dirt of heat transfer sheet and generate phenomenon, without sewage clogging in flow channel, heat exchange efficiency is high.Higher than the heat exchange efficiency of existing fountain heat-exchanger rig, without the need to heat exchange surface being processed into specific dimensions and adopting specific processing method, long-term operation continuously still keeps scale inhibition, and can according to the quality of sewage quality, the method of operation rotated by heat exchanger tube row rotary-type in the different time cycle realizes running the removal producing heat exchange surface dirt for a long time continuously, automatically cleaning effect, regularly outer flushing or mechanical curettage need not be adopted, sewage heat change surface smut beyond chemical agent removal, therefore the long-term heat exchange efficiency of operation is continuously high, there is scale inhibition, and significantly reduce the floor space of heat-exchanger rig, reduce metal consumption, save equipment cost, manufacturing cost and operating cost.Method of the present invention is applicable to evaporating heat exchanger as sewage source heat pump system or condensing heat exchanger, is applicable to the sewage heat change to all kinds of sewage such as sewage, native sewage water after process.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.

Claims (10)

1. a sewage heat exchanger for energy automatically cleaning and scale suppression, is characterized in that, comprising:
Sewage pump (1), upper supply tank (10), heat-exchanger rig framework (11), upper supply tank wastewater inlet (2), upper supply tank sewage draining exit (3), water-locator adapter (20) bottom upper supply tank, sawtooth overflow launder water-locator (9), rotary-type heat exchanger tube row (12), first, second rotational connector (4, 13), drive disk assembly (8), transmission device (17), drive unit (15), pivoting controller (16), water receiving case (6), water receiving case sewage draining exit (7) and outlet of sewer (18), wherein,
Described upper supply tank (10) is fixedly located on described heat-exchanger rig framework (11), described upper supply tank wastewater inlet (2), upper supply tank sewage draining exit (3) are all located at described upper supply tank (10) side, and bottom described upper supply tank, water-locator adapter (20) is located at described upper supply tank (10) bottom and is communicated with in described upper supply tank (10);
Described sewage pump (1) be located at connect described upper supply tank wastewater inlet (2) pipeline on;
Described sawtooth overflow launder water-locator (9) is located at described upper supply tank (10) bottom, takes over (20) be connected with water-locator bottom described upper supply tank;
Described rotary-type heat exchanger tube row (12) is located at the vertical lower of described sawtooth overflow launder water-locator (9), be in described heat-exchanger rig framework (11), the two ends of this rotary-type heat exchanger tube row (12) are movably connected on described heat-exchanger rig framework (11) respectively by first, second rotational connector described (4,13);
Described rotary-type heat exchanger tube row (12) arranges (23) by heat exchange coil pipe, first, second rotary-type coil pipe framework (22,24), heat transferring medium entrance (21) and heat transferring medium exports (25) and forms, wherein, described heat exchange coil pipe row (23) level is fixedly located at described first, second rotary-type coil pipe framework (22, 24) on, described first, second rotary-type coil pipe framework (22, 24) in plate-like, described heat transferring medium entrance (21) is located at described first rotary-type coil pipe framework (22) outside, described heat transferring medium outlet (25) is located at described second rotary-type coil pipe framework (24) outside, the entrance that described heat transferring medium entrance (21) and described heat exchange coil pipe arrange (23) is connected, described heat transferring medium outlet (25) is connected with the outlet that described heat exchange coil pipe arranges (23),
The first rotary type connector (13) of described rotary-type heat exchanger tube row (12) side is provided with drive disk assembly (8), described drive disk assembly (8) is connected with described drive unit (15) through described transmission device (17), and described drive unit (15) can drive described rotary-type heat exchanger tube row (12) with its axis by angle that is clockwise or counterclockwise rotation setting;
Described pivoting controller (16), be connected with described drive unit (15), described drive unit (15) can be controlled and drive described rotary-type heat exchanger tube row (12) with its axis by angle that is clockwise or counterclockwise rotation setting;
Described water receiving case (6), be located at described rotary-type heat exchanger tube row (12) below, be in described heat-exchanger rig framework (11), this water receiving case (6) is provided with outlet of sewer (18) and water receiving case sewage draining exit (7), and described outlet of sewer (18) connects blow-off line.
2. according to claim 1 can the sewage heat exchanger of automatically cleaning and scale suppression, it is characterized in that, the heat exchange coil pipe of described rotary-type heat exchanger tube row (12) arranges (23) for snakelike horizontally disposed pipe and arranges.
3. the sewage heat exchanger of energy automatically cleaning according to claim 1 and 2 and scale suppression, is characterized in that, the body of described heat exchange coil pipe row (23) is the circular straighttube of copper material or the circular straighttube of stainless steel.
4. the sewage heat exchanger of energy automatically cleaning according to claim 1 and 2 and scale suppression, is characterized in that, the body of described heat exchange coil pipe row (23) is the circle corrugated pipe of copper material or the circle corrugated pipe of stainless steel.
5. the sewage heat exchanger of energy automatically cleaning according to claim 1 and 2 and scale suppression, is characterized in that, the body of described heat exchange coil pipe row (23) is the round screw thread line pipe of copper material or the round screw thread line pipe of stainless steel.
6. the sewage heat exchanger of energy automatically cleaning according to claim 1 and 2 and scale suppression, it is characterized in that, described drive disk assembly (8) is travelling gear;
Described transmission device (17) is driving chain or driving belt;
Described drive unit (15) adopts motor;
Described pivoting controller (16) adopts electric controller, is electrically connected with described drive unit (15).
7. the sewage heat exchanger of energy automatically cleaning according to claim 1 and scale suppression, it is characterized in that, described pivoting controller (16) controls described drive unit (15) and drives described rotary-type heat exchanger tube row (12) as follows by mode that is clockwise or counterclockwise rotation set angle with its axis:
This sewage heat exchanger runs more than 1 day or 1 day continuously, with the framework circle center line connecting of first, second rotary-type coil pipe framework 22,24 of described rotary-type heat exchanger tube row (12) for trunnion axis, described pivoting controller (16) controls described drive unit (15) and drives described rotary-type heat exchanger tube row (12) with the vertical symmetry axis of this rotary-type heat exchanger tube row (12) by rotating clockwise or counterclockwise, θ angle angle (28) is gone to by vertical angle (29), θ angle is the anglec of rotation, and this rotation angle range is 80 degree to 100 degree.
8. the sewage heat exchanger of energy automatically cleaning according to claim 1 and scale suppression, it is characterized in that, described pivoting controller (16) controls described drive unit (15) and drives described rotary-type heat exchanger tube row (12) as follows by mode that is clockwise or counterclockwise rotation set angle with its axis:
This sewage heat exchanger runs more than 3 days or 3 days continuously, with the framework circle center line connecting of first, second rotary-type coil pipe framework 22,24 of described rotary-type heat exchanger tube row (12) for trunnion axis, described pivoting controller (16) controls described drive unit (15) and drives described rotary-type heat exchanger tube row (12) with the vertical symmetry axis of this rotary-type heat exchanger tube row (12) by rotating clockwise or counterclockwise, θ angle angle (28) is gone to by vertical angle (29), θ angle is the anglec of rotation, and this rotation angle range is 170 degree to 190 degree.
9. according to claim 1 can the sewage heat exchanger of automatically cleaning and scale suppression, it is characterized in that, the downward-sloping setting of blow-off line that the outlet of sewer (18) of described water receiving case (6) connects, gradient is not less than 3%;
Or, also comprise: sewage excavationg pump 19, on the described blow-off line that the outlet of sewer (18) being located at described water receiving case (6) connects.
10. the energy automatically cleaning according to claim 1,7 or 8 and the sewage heat exchanger of scale suppression, it is characterized in that, described drive unit (15) adopts runner;
Described pivoting controller (16) adopts spanner, is connected on described drive unit (15).
CN201510233049.6A 2015-05-08 2015-05-08 Energy automatically cleaning and the sewage heat exchanger of scale suppression Expired - Fee Related CN104896981B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112344764A (en) * 2020-10-29 2021-02-09 北京建筑大学 Self-cleaning and scale-inhibiting sewage heat exchanger

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Publication number Priority date Publication date Assignee Title
CN101097078A (en) * 2007-07-20 2008-01-02 哈尔滨工业大学 Sewage water source heat pump system with showering oval-shaped cavity plate heat exchanger
CN102519276A (en) * 2011-12-12 2012-06-27 金大地新能源热力(天津)有限公司 Self-cleaning heat exchange device for sewage of heat pump system of sewage source
EP2672188A1 (en) * 2012-06-05 2013-12-11 hpe hüttner projektentwicklung Heat pump assembly for heat recovery from waste water
CN103836844A (en) * 2014-03-13 2014-06-04 哈尔滨工业大学 Raw sewage liquid-solid temporarily separating cyclone tube-and-shell type heat exchanger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101097078A (en) * 2007-07-20 2008-01-02 哈尔滨工业大学 Sewage water source heat pump system with showering oval-shaped cavity plate heat exchanger
CN102519276A (en) * 2011-12-12 2012-06-27 金大地新能源热力(天津)有限公司 Self-cleaning heat exchange device for sewage of heat pump system of sewage source
EP2672188A1 (en) * 2012-06-05 2013-12-11 hpe hüttner projektentwicklung Heat pump assembly for heat recovery from waste water
CN103836844A (en) * 2014-03-13 2014-06-04 哈尔滨工业大学 Raw sewage liquid-solid temporarily separating cyclone tube-and-shell type heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112344764A (en) * 2020-10-29 2021-02-09 北京建筑大学 Self-cleaning and scale-inhibiting sewage heat exchanger

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