A kind of reversing arrangement for non-clean water heat exchange and system thereof
Technical field
The present invention relates to a kind of heat exchange for non-clean water (sewage, water of river, lake and sea, industrial wastewater and industrial circulating cooling water etc.) heat exchange to device and system thereof, belong to energy technology field.
Background technique
The cold and hot amount adopting heat pump techniques to extract in low-grade, reproducible clean energy resource is space heating and air-conditioning, is one of effective way of building energy conservation reduction of discharging.The renewable clean cold & heat source of these low levels comprises: underground water, water of river, lake and sea, industrial wastewater, urban sewage etc., their temperature winter is between 0 ~ 30 DEG C, when it can be used as the cold & heat source of heat pump to utilize, the utilization ratio of the primary energy (coal, oil, rock gas) of heat pump can reach 133% even higher, and energy-conservation amplitude can more than 45%.But when utilizing these cold and hot energy, except can only being used with suiting measures to local conditions, also due to they self, need to solve some key issues.
One of key issue of the cold & heat source such as sewage, water of river and lake, industrial wastewater and industrial circulating cooling water is growth dirt in heat transmission equipment, has a strong impact on heat exchange efficiency, needs effectively to process.Generally there are three kinds of schemes:
The first is periodic cleaning heat transmission equipment, fouling growth to a certain extent after, by heat transmission equipment dismounting carry out dirty removing processing.
The second takes on-line cleaning, such as, in heat exchanging tube, arrange spiral band etc.
The third arranges four-way reversing arrangement, regularly by the water (flow) direction reverse flow in heat transmission equipment, to arrive the object of backwash.
The key issue of the third scheme is the sealing problem of four-way change-over valve, and when especially water flow is very large, such as, more than per hour hundred tons of water, valve body is comparatively large, and sealing difficulty is large, unreliable.Such as:
License notification number is " CN1854582B ", name is called " rotary four-way change-over valve ", the applying date is: on 04 27th, 2005, this patent takes plane sealing mode, its major defect is that requirement on machining accuracy is high, and wear extent is large, when valve body is larger, there is the problem such as moment is large of the intensity of plane structure, transmission device, do not reach the object of application.Also have other similar structural type more, key is that sealing difficulty is large, poor reliability.
The patent No. of present inventor's application is " ZL201010270081.9 ", and name is called " sewage or surface water cold & heat source rotary type two anti-device and system thereof ", and the applying date is: on 09 02nd, 2010, its subject matter or the sealing problem of valve body.Also have patent and the document of some similar structure forms, but do not provide concrete sealing means.
Present patent application mainly solves sealing and maintainability problem, and processing technology is simple.
Summary of the invention
The object of this invention is to provide a kind of reversing arrangement for non-clean water heat exchange and system thereof, fouling growth when solving non-clean water heat exchange in heat transmission equipment and blockage problem, and prior art to there is difficulty of processing large, required precision is high, poor reliability and valve body larger time do not reach the problems such as the object of application.
The technological scheme that device of the present invention is taked is:
A kind of reversing arrangement for non-clean water heat exchange, described reversing arrangement it comprise housing, valve plate, rotatingshaft, speed reduction driving mechanism for power, two bearing supports, two rotating disks, two flange plate, water intake, go out backwater mouth one, go out backwater mouth two, drain opening, four restraining grooves, notch, rubber head, described rubber head comprises connecting plate, end plate, pressure strip and rubber strip, described housing is along the circumferential direction divided into four parts, each several part respectively with water intake, go out backwater mouth one, go out backwater mouth two to be connected with drain opening and to communicate, go out backwater mouth one and go out backwater mouth two is in water intake and drain opening both sides at the circumferencial direction of housing, the two ends of described rotatingshaft are fixed on two flange plate by two bearing supports, and the two ends of two flange plate and housing are removably connected by flange, valve plate is on the rotating shaft affixed, the two ends of valve plate and two rotating disks affixed, rotatingshaft passes two rotating disks, and affixed with two rotating disks, the inwall of two rotating disks and housing is by Europe RunddichtringO sealing structure, the inwall of four restraining grooves and housing removably connects, at the circumferencial direction of housing, water intake, go out backwater mouth one, the neutral position gone out between two mouths often adjacent in backwater mouth two and drain opening arranges a restraining groove, each restraining groove is provided with a notch along the direction being parallel to rotatingshaft, and at the circumferencial direction of housing, each notch is positioned at backwater mouth one or goes out backwater mouth two side, one end and the valve plate of connecting plate removably connect, and the other end is fixedly connected with end plate, and rubber strip is fastened on end plate by bolt by pressure strip, the rubber strip of described rubber head embeds notch and carries out soft seal.
The technological scheme that system of the present invention is taked is:
For a system for non-clean water heat exchange, described system comprises described reversing arrangement, heat transmission equipment, intake pipe, goes out return pipe one, goes out return pipe two, waste pipe, and intake pipe is connected with the water intake of described reversing arrangement and communicates; Waste pipe is connected with the drain opening of described reversing arrangement and communicates; Go out the connection mouth going out backwater mouth one and heat transmission equipment that return pipe one connects described reversing arrangement; Go out another connection mouth going out backwater mouth two and heat transmission equipment that return pipe two connects described reversing arrangement.
When containing suspended matter in non-clean water, going out return pipe one and going out on return pipe two to add elongated hole filter member respectively, the filter opening length of described elongated hole filter member is 5 ~ 500mm.
The beneficial effect of hinge structure of the present invention is:
(1) valve body adopts rotating disk to add Ou Xingquan and rubber head to add restraining groove sealing, can ensure that water leakage or the mixed water yield are no more than 5% under the pressure differential of valve body both sides 0.15MPa, can ignore on the impact of follow-up heat exchange, achieve good sealing;
(2) valve body two ends are that rotating disk adds Ou Xingquan sealing, and which is conventional sealing means, does not have structural problem, operates reliable and stable, can ensure not have seepage during motor positive and inverse, only needs 3-5 to change Ou Xingquan;
(3) valve body both sides adopt rubber head and restraining groove sealing, not only serve seal action (water leakage is no more than 5%), simultaneously owing to being flexible contact sealing, ensure that motor positive and inverse is dynamic when stopping and hard impact does not occur, protect speed reducer and motor, security of operation, stable;
(4) rubber head and restraining groove are one of key structural feature of this contrive equipment, and not only structure is simple, are easy to processing, and are all be flexibly connected, and can periodic maintenance change, housing, axle and valve body etc. then can be durable for a long time;
(5) water intake of change valve device of the present invention, two diameters going out backwater mouth and drain opening can reach more than 500mm, achieve the maximization of selector valve.
(6) blocking and the winding problem of suspended matter can also be solved by increasing elongated hole filter member, realizing anti-blocking antiscaling simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall structure plan view of apparatus of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is a region partial enlarged drawing of Fig. 2;
Fig. 4 is the structural representation of embodiment two;
Fig. 5 is the overall structure schematic diagram of present system;
Fig. 6 is the structural representation of embodiment six.
In figure, housing 1, valve plate 2, rotatingshaft 3, speed reduction driving mechanism for power 4, two bearing supports 5, two rotating disks 6, two flange plate 7, water intakes 8, go out backwater mouth 1, go out backwater mouth 2 10, drain opening 11, four restraining grooves 12, notch 13, rubber head 14, connecting plate 15, end plate 16, pressure strip 17, rubber 18, reversing arrangement 21, heat transmission equipment 22, intake pipe 23, go out return pipe 1, go out return pipe 2 25, waste pipe 26, elongated hole filter member 27.
Embodiment
Embodiment one: as shown in FIG. 1 to 3, a kind of reversing arrangement for non-clean water heat exchange of present embodiment, described reversing arrangement comprises housing 1, valve plate 2, rotatingshaft 3, speed reduction driving mechanism for power 4, two bearing supports 5, two rotating disks 6, two flange plate 7, water intake 8, go out backwater mouth 1, go out backwater mouth 2 10, drain opening 11, four restraining grooves 12, notch 13, rubber head 14, described rubber head 14 comprises connecting plate 15, end plate 16, pressure strip 17 and rubber strip 18, described housing 1 is along the circumferential direction divided into four parts, each several part respectively with water intake 8, go out backwater mouth 1, go out backwater mouth 2 10 to be connected with drain opening 11 and to communicate, go out backwater mouth 1 and go out backwater mouth 2 10 is in water intake 8 and drain opening 11 both sides at the circumferencial direction of housing 1, the two ends of described rotatingshaft 3 are fixed on two flange plate 7 by two bearing supports 5, and two flange plate 7 removably connect (passing through bolt) with the two ends of housing 1 by flange, valve plate 2 is fixed on rotatingshaft 3, the two ends of valve plate 2 and two rotating disks 6 affixed, rotatingshaft 3 passes two rotating disks 6, and affixed with two rotating disks 6, two rotating disks 6 pass through Europe RunddichtringO sealing structure with the inwall of housing 1, four restraining grooves 12 removably connect (passing through bolt) with the inwall of housing 1, at the circumferencial direction of housing 1, water intake 8, go out backwater mouth 1, the neutral position gone out between two mouths often adjacent in backwater mouth 2 10 and drain opening 11 arranges a restraining groove 12, each restraining groove 12 is provided with a notch 13 along the direction being parallel to rotatingshaft 3, and at the circumferencial direction of housing 1, each notch 13 is positioned at backwater mouth 1 or goes out backwater mouth 2 10 side, one end of connecting plate 15 and valve plate 2 removably connect (passing through bolt), and the other end is fixedly connected with end plate 16, and rubber strip 18 is fastened on end plate 16 by bolt by pressure strip 17, the rubber strip 18 of described rubber head 14 embeds notch 13 and carries out soft seal.
Embodiment two: as shown in Figure 4, a kind of reversing arrangement for non-clean water heat exchange of present embodiment, the water intake 8 of described reversing arrangement, go out backwater mouth 1, go out backwater mouth 2 10 and drain opening 11 is in identical or diverse location along the axial direction of rotatingshaft 3 on housing 1, other is with embodiment one, the advantage of this mode of execution is: when water flow is larger, water intake 8, go out backwater mouth 1, the caliber going out backwater mouth 2 10 and drain opening 11 is larger, housing 1 circumferencial direction above-mentioned four mouths are set by size restrictions, by four mouths being arranged on the diverse location of the axial direction along rotatingshaft 3, to reduce the diameter required for housing 1, additionally by the diverse location four mouths being arranged on the axial direction along rotatingshaft 3, can reduce four mouths be connected with pipeline required for space.
Embodiment three: as shown in Figure 1 to 4, a kind of reversing arrangement for non-clean water heat exchange of present embodiment, the water intake 8 of described reversing arrangement, to go out backwater mouth 1, go out the caliber of backwater mouth 2 10 and drain opening 11 be 100mm ~ 600mm.
Embodiment four: as shown in Figure 1 to 4, a kind of reversing arrangement for non-clean water heat exchange of present embodiment, the water intake 8 of described reversing arrangement, to go out backwater mouth 1, go out the caliber of backwater mouth 2 10 and drain opening 11 be 150mm ~ 400mm.
Embodiment five: as shown in Figure 5, a kind of system for non-clean water heat exchange of present embodiment, described system comprises described reversing arrangement 21, heat transmission equipment 22, intake pipe 23, goes out return pipe 1, goes out return pipe 2 25, waste pipe 26, and intake pipe 23 is connected with the water intake 8 of described reversing arrangement 21 and communicates; Waste pipe 26 is connected with the drain opening 11 of described reversing arrangement 21 and communicates; Go out the connection mouth going out backwater mouth 1 and heat transmission equipment 22 that return pipe 1 connects described reversing arrangement 21; Go out another connection mouth going out backwater mouth 2 10 and heat transmission equipment 22 that return pipe 2 25 connects described reversing arrangement 21.
Embodiment six: as shown in Figure 6, a kind of system for non-clean water heat exchange of present embodiment, be return pipe 1 and going out on return pipe 2 25 to add elongated hole filter member 27, Kong Changwei 5 ~ 500mm, other is with embodiment five.The beneficial effect of this mode of execution is when containing suspended matter in non-clean water, solves the blockage problem of suspended matter simultaneously.
Embodiment seven: a kind of system for non-clean water heat exchange of present embodiment, the Kong Changwei 5 ~ 500mm of described elongated hole filter member 27, the beneficial effect of this mode of execution solves the winding problem of suspended matter between hole.
Working principle:
Non-clean water (sewage or water of river, lake and sea etc.) enters from the water intake 8 of reversing arrangement 21, under the obstruct of valve plate 2 and the sealing of restraining groove 12 and rubber head 14, non-clean water is from going out backwater mouth 1 out, heat transmission equipment 22 is entered by going out return pipe 1, again after heat transmission equipment 22 heat exchange out, entering reversing arrangement 21 by going out return pipe 2 25 from going out backwater mouth 2 10, under the obstruct of valve plate 2 and the sealing of restraining groove 12 and rubber head 14, being drained by waste pipe 26 from drain opening 11.
When needing backwash heat transmission equipment 22 after running a period of time, speed reduction driving mechanism for power 4 action, drive valve plate 2 rotates, rubber head 14 and two other restraining groove 12 seal, non-clean water then enters from water intake 8, out pass through return pipe 2 25 afterwards enter heat transmission equipment 22 from going out backwater mouth 2 10, after heat exchange again from heat transmission equipment 22 out, reversing arrangement 21 is entered from going out backwater mouth 1 by going out return pipe 1, out drained by waste pipe 26 from drain opening 11 again, the backwash of this process implementation, rerun after a period of time, speed reduction driving mechanism for power 4 reverse action, drive valve plate 2 despining, the current direction of heat transmission equipment 22 is again reverse, so achieve positive and negative flowing backwash.
As added elongated hole filter member 27, then achieve positive and negative filtration and the flushing of elongated hole filter member 27.