CN201177469Y - Sewage water heat-energy recovering apparatus - Google Patents
Sewage water heat-energy recovering apparatus Download PDFInfo
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- CN201177469Y CN201177469Y CNU2008200830341U CN200820083034U CN201177469Y CN 201177469 Y CN201177469 Y CN 201177469Y CN U2008200830341 U CNU2008200830341 U CN U2008200830341U CN 200820083034 U CN200820083034 U CN 200820083034U CN 201177469 Y CN201177469 Y CN 201177469Y
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Abstract
The utility model relates to a sewage heat energy recycling device, belonging to the industrial sewage heat energy recycling field and aiming to solve the problems that the prior heat energy recycling device commonly adopted in domestic market has low heat exchange efficiency; a filter is not suitable for automatic backwashing and needs a great amount of clear water; and a heat exchanger is seriously blocked and polluted, and can not realize on line display and accumulative calculation for heat quantity. The sewage heat energy recycling device comprises a granular filtering device capable of automatic switching and operation and backwashing, a heat exchanger for cold water-hot water heat exchange, a device capable of automatic switching and operation and backwashing of a filter as well as a heat accumulation acknowledging device for the entire heat energy recycling device. The sewage heat energy recycling device not only can control the automatic operation and backwashing process of the filter, but also can increase the efficiency of sewage impurity filtration and heat exchange; moreover, the recycling device can also provide the functions of accumulative calculation and on line display for heat quantity, thereby realizing realtime monitoring on the performance of the device.
Description
[technical field]
The present invention relates to a kind of hot sewage heat energy retracting device, belong to sewage heat energy and reclaim the field.
[background technology]
Waste Heat Recovery can produce economic benefit and social benefit, and in energy-conservation joint source, protection environment aspect plays an important role.Domestic Waste Heat Recovery generally adopts the heat transmission equipment that comprises heat exchanger.For the used heat in the sewage, the school of central heating for example, office and hotel, the hot sewage that discharge in places such as outdoor bathing place, existing sewage heat reclamation device is taked sewage often through simple filtration, remove and enter heat-exchange apparatus again behind the thicker impurity of major part and carry out heat exchange, still there are large granular impurity and suspended impurity in the sewage, can result in blockage to heat exchanger, pollute and wearing and tearing, in order to guarantee the normal operation of heat exchanger, need regular filter rinsed, heat exchanger and pipeline, not only can expend great amount of manpower, also to bear the loss that shut-down brought that causes owing to cleaning, filter rinsed, heat exchanger and other pipelines also need a large amount of clear water, thereby cause the waste and the secondary pollution of water resource.For technical problems such as a whole set of sewage heat reclamation device behavior in service affirmation and amount of energy saving affirmations, all be in the research now in addition.
[summary of the invention]
The technical assignment of the technical problem to be solved in the present invention and proposition is the defective that overcomes prior art, a kind of heat reclamation device that can be widely used in reclaiming sewage heat energy is provided, it can improve the time and the efficient of heat energy recovery rate and heat exchanger normal operation, realizes that automatic controlled filter device switches and backwash process.Further aim of the present invention is to realize the function of real-time confirmation equipment running status and performance.For this reason, the present invention adopts following technical scheme:
The sewage heat energy retracting device, the heat-exchange device, the electrical control gear that comprise filter, be connected with filter by pipeline, it is characterized in that described filter is two particle type filter arranged side by side, the filter top is provided with sewage inlet, and the below is provided with the drainage outlet; The sewage inlet top of two filters is provided with the bridge-type valve, and described bridge-type valve comprises two groups of group valves arranged side by side, and every row group valve comprises the single valve of two series connection, and described sewage inlet is connected to the series connection single valve middle-end of the corresponding group of bridge-type valve valve by pipeline; Bridge-type valve two upper end of group valve side by side is connected with sewage pipe, and there is drainpipe the lower end; The drainage outlet is imported and exported with two two-way sewage of heat-exchange device by pipeline and is connected; Described heat-exchange device also is provided with cooling water inlet and warm water outlet.This set can just can clean filter under the situation of not arresting stop operation, has improved the operational efficiency of device.Two particle type filter can automatically switch and move and the realization backwashing function, thereby make cleaning filtration be difficult for stopping up, and remain high-quality filtration state; In addition, backwash water adopts is sewage after the heat exchange, has saved water resource.
The sewage heat energy retracting device is characterized in that on the described sewage pipe pressure sensor being set; Described single valve is a pneumatic operated valve.A default value is set in electrical control gear, and pressure sensor transfers to electrical control gear with signal, and electrical control gear sends control signal automatically opens back flush valves, and Filter valve is closed, and carries out backwash process; Simultaneously, the back flush valves of another particle type filter is closed, and Filter valve is opened, and carries out filter process, thus the automatic switchover of filter process and backwash process, need not personal management, save cost of human resources, also enhance productivity.The electrical control gear here adopts conventional Electrical Control Technology, so seldom describe, also can use differential pressure controller, flowmeter for pressure sensor, and its effect is similar.Because this programme relates to heavier load and security performance is had relatively high expectations, and is good so select pneumatic operated valve for use.
For the improving and replenishing of technique scheme, can increase following technical characterictic:
The sewage heat energy retracting device is characterized in that described heat-exchange device is the template heat exchanger, and the cooling water inlet that is positioned at heat exchanger one side is higher than the warm water outlet of opposite side.This set can prolong the glide path of hot water or cold water's current in heat exchanger, carries out exchange heat more fully, improves heat exchange efficiency.
The sewage heat energy retracting device, it is characterized in that one a cold water temperature sensor and a flowmeter being set at described cooling water inlet place, described warm water exit is provided with a warm water heat detector, and described cold water temperature sensor, warm water heat detector and flowmeter are connected with an accumulation calorimeter by lead respectively.Owing to increased the accumulation calorimeter, thereby can add up the heat exchange amount.
The sewage heat energy retracting device is characterized in that being provided with the filter plate of being with filter opening in the described granular pattern filter, is filled with ball-shaped stainless steel steel ball on the filter plate, and the diameter of steel ball is greater than the aperture of filter opening.This material can be trapped in its surface with the suspended particulate impurity in the sewage.Because rounded material when being staggered, leaves the space, can allow sewage pass through.In addition,, do not run into " leaking material " and phenomenons such as " run and expect " in then can not occurring filtering with the diameter setting of spherical filtering material single aperture greater than the filter filter opening of bottom support.Described ball-shaped filtering material is the stainless steel steel ball, and it is difficult for being corroded, and service life and filter are suitable, and filtering materials such as conventional quartz sand or filter core just need to change once not enough half a year; In addition, steel ball is heavier, presses tightlyer each other, thereby makes that mutual slit is little, so filter effect is better.
The sewage heat energy retracting device, it is characterized in that preposition centrifugal filter of described particle type filter or sewage jar, described centrifugal filter or sewage jar are provided with elementary sewage inlet and elementary drainage mouth, and the bottom is provided with the waste residue outlet, and elementary drainage mouth is connected with sewage pipe.Bigger for impurity and foreign matter, suspension is many, has the sewage of greasy dirt, and grade one filter only is set, and impurity and foreign matter filter insufficient, can remove impurity and greasy dirt better by centrifugal type filter.Centrifugal type filter is conventional equipment for separating liquid from solid, is used for filtering proportion foreign matter and the greasy dirt bigger than water in the sewage, and pressure type was held back separating and filtering about particle type filter belonged to, and was used for holding back the suspended particulate matter in the sewage.Through behind the double-filtration, most impurity and foreign matter in the hot sewage have been filtered, and hot sewage can not make heat exchanger stop up, pollute and wearing and tearing after entering heat-exchange device, thereby can make heat exchanger accomplish stable performance better, realizes normally operation.The sewage jar is with mode initial gross separation sewage and impurity such as staticly settling, protecting follow-up unit to move better.
The sewage heat energy retracting device is characterized in that the rearmounted sewage pump of described elementary drainage mouth.Be convenient to the sewage lifting is transported in the filter.
This sewage heat energy retracting device has been optimized the combination of heat-exchange device and filter relation has been installed, its advantage applies exists: 1. particle type filter arranged side by side combines with electrical control gear, can realize that this filter automaticallyes switch and backwash process control, improve heat exchanger effectiveness greatly, the highlyest be expected to reach 85-98%; 2. the present invention adopts the sewage after the heat exchange that filter is carried out automatic backwash, has both suitably reduced quantity of wastewater effluent, has saved precious water resource again; 3. the present invention relies on advanced filter, effectively removes bulky grain and suspended material in the sewage, prevents foreign body obstruction and wearing and tearing heat-exchange device in the sewage; 4. the heat-exchange device of Rational structure can make hot sewage and the sufficient heat exchange of cold water, farthest extracts the heat energy in the sewage, in the hope of reaching the effect that energy secondary utilizes, reduces the production cost in the enterprise practical production process; 5. can online demonstration calculate heat and real-time confirmation equipment running status; 6. remaining auxiliary design can realize utilization effect of the present invention better.
[description of drawings]
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is an apparatus and process schematic diagram of the present invention.
Among the figure: A. bridge-type valve, B. sewage pipe, 10, centrifugal filter or sewage jar, 11, sewage pump, 20. left particle type filter, the right particle type filter of 20a., 21. left sewage inlet, the right sewage inlet of 21a., 22. left drainage mouths, 22a. right drainage mouth, 23. pressure sensors, 24. upper left valves, 24a. the lower-left valve, 25. upper right valves, 25a. bottom right valve, 24c, 24d. be respectively the top and bottom that two of bridge-type valve is organized valve side by side, 26. sewage collecting pools, 30. heat exchangers, 31. left sewage is imported and exported, 32. right sewage is imported and exported, 33. cooling water inlets, the outlet of 34. warm water, 40. heat accumulative meter, 41. the cold water temperature sensor, 42. warm water heat detectors, 43. flowmeters.
[specific embodiment]
Below in conjunction with specification drawings and specific embodiments substantive distinguishing features of the present invention is further described.
The arrow indication flow direction promptly is the water (flow) direction of whole device among Fig. 1, after high temperature sewage at first passes through centralized collection, enter filter, filter is the left particle type filter 20 and the right particle type filter 20a of two specification types of the same race arranged side by side, its whole cylindrical shell is cylindrical shape, the filter top is provided with left sewage inlet 21 and right sewage inlet 21a, and the below is provided with left drainage outlet 22 and right drainage outlet 22a; The sewage inlet top of two filters is provided with a bridge-type valve A, described bridge-type valve comprises two groups of group valves arranged side by side, every row group valve comprises the single valve of two series connection, they are respectively upper left valve 24, lower-left valve 24a, upper right valve 25, bottom right valve 25a, and described left sewage inlet 21 and right sewage inlet 21a are connected to the series connection single valve middle-end of the corresponding group of bridge-type valve A valve by pipeline; The bridge-type valve two upper end 24c of group valve side by side is connected with sewage pipe B, and lower end 24d has drainpipe; Left side drainage outlet 22 is imported and exported 32 by the left sewage import and export 31 of pipeline and heat exchanger with right sewage respectively with right drainage outlet 22a and is connected, and two-way import and export show the sewage import that both can be used as a kind of flow direction, also can be used as the outlet of sewer of reverse direction flow; Described heat-exchange device also is provided with cooling water inlet 33 and warm water outlet 34.Sewage is entered by the left sewage inlet 21 of left particle type filter 20 tops earlier, impurity in the sewage is trapped in its surface by spherical steel ball filtrate, water is by the bottom of the space inflow filter between filtrate, enters heat exchanger 30 by the left drainage outlet 22 of left particle type filter 20 belows.When left particle type filter 20 is moved, right particle type filter 20a carries out backwash, this moment under the effect of the electrical control gear that is connected with pressure sensor 23, upper left valve 24, bottom right valve 25a in opened condition, lower-left valve 24a, upper right valve 25 are closed condition.The left sewage import and export 31 that the hot sewage that flows out from left drainage outlet 22 enters heat exchanger 30 are imported and exported 32 sewage that flow out by the right sewage of heat exchanger 30 and by right drainage outlet 22a right particle type filter 20a are carried out backwash.Accordingly, when right particle type filter 20a operation, left particle type filter 20 is carried out backwash, this moment lower-left valve 24a, upper right valve 25 in opened condition, upper left valve 24, bottom right valve 25a are closed condition.The right sewage import and export 32 that the hot sewage that flows out from right drainage outlet 22a enters heat exchanger 30 are imported and exported 31 sewage that flow out by the left sewage of heat exchanger 30 and are carried out backwash by 22 pairs of left particle type filter 20 of left drainage mouth.Foreign material after the backwash and sewage enter sewage collecting pool 26 or enter the external world.
When practical operation, a default value need be set in electrical control gear, pressure sensor transfers to electrical control gear with the pressure signal that collects, behind the signal value and preset value that electrical control gear relatively receives, automatically send the signal of control respective sets valve and carry out filtration and backwash respectively, and realize the automatic switchover of filter process and backwash process.Also can use differential pressure controller, flowmeter for pressure sensor, its effect is similar.
The filtering material of particle type filter is a spheroidal stainless steel steel ball, because steel ball is when being staggered, leave the space, sewage passes through from the space, in addition, with the diameter setting of steel ball single aperture, do not run into " leaking material " and phenomenons such as " run and expect " in then can not occurring filtering greater than the filter opening of the filter of bottom support.Filter effect is better, also is difficult for during backwash being flushed away.
Heat exchanger in order to the hot and cold water heat exchange is the template heat exchanger, the template heat exchanger is an existing equipment, usually form by one group of metallic plate, the part that metallic plate forms fluid line has hole, four angles, in order to have telltale hole on the metallic plate that changes direction of flow, the complex root metallic plate is installed in parallel between a fixed head and a movable pressure plate, and clamps with fishbolt, and periphery of angled hole is equipped with seal washer.Metallic plate and movable pressure plate top have upper groove, one top guide bar has and the corresponding protruding button of groove, metallic plate and movable pressure plate are suspended on the top guide bar by groove and protruding button, metallic plate and movable pressure plate bottom portion have and the corresponding low groove of a lower guide rod, and top guide bar and lower guide rod are fixed on the support column.Have sewage imports and exports in the bottom of fixed head and movable pressure plate, have the outlet of cooling water inlet and warm water on the top of fixed head and movable pressure plate, sewage is through after filtering, wherein Jue Dabufen impurity all is eliminated, water quality is cleaner, and sewage generally derives from sanitary sewage, compare with trade effluent, viscosity is low, good fluidity, flowing even flow in thinner pipeline or at metal sheet surface can not result in blockage and be detained, and therefore being well suited for this kind heat exchanger carries out heat exchange.The metallic plate of heat exchanger is a corrugated plating, can make current form turbulent flow, and the flow velocity that slows down prolongs heat exchanger time, improves heat exchange efficiency, is up to 85%-98%.
Be provided with left and right sewage at heat exchanger 30 and import and export 31 and 32, be provided with cooling water inlet 33 and warm water outlet 34, cooling water inlet is higher than the warm water outlet of opposite side and not at homonymy, heat exchanger 30 left and right sewage import and export 31,32 are connected respectively with left and right sides drainage outlet 22, the 22a of left and right sides particle type filter 20,20a, by heat exchanging process, cold water is heated up with the heat energy in the sewage.Sewage after filtering enters the left sewage of heat exchanger 30 and imports and exports 31, the cold water that needs simultaneously to heat up is delivered to the cooling water inlet 33 of heat exchanger 30, by left sewage import and export 31 and the filtration sewage introduced respectively of cooling water inlet 33 and clean cold water be implemented in heat exchange in the heat exchanger 30, heat energy in the sewage transmits by metallic plate heat and is transferred to cold water indirectly, and because be provided with filter before the heat exchange, so the particulate matter in the sewage is effectively removed, can not enter into the inside of heat exchanger 30 again along with current, the tiny pipeline that blocks its inside, influence the operation of heat exchanger, wearing and tearing heat exchanger and heat exchange performance is reduced.
During practical operation, can also be at preposition centrifugal filter of particle type filter or sewage jar, centrifugal filter or sewage jar are provided with elementary sewage inlet and elementary drainage mouth, and the bottom is provided with the waste residue outlet, and elementary drainage mouth is connected with sewage pipe.This situation is used in impurity and foreign matter is bigger, and suspension is many, has the sewage of greasy dirt, if grade one filter only is set, impurity and foreign matter filter insufficient, can remove impurity and greasy dirt better by centrifugal type filter.
Centrifugal type filter is conventional equipment for separating liquid from solid, is used for filtering proportion foreign matter and the greasy dirt bigger than water in the sewage; Pressure type was held back separating and filtering about particle type filter belonged to, and was used for holding back the suspended particulate matter in the sewage.Through behind the double-filtration, most impurity and foreign matter in the hot sewage have been filtered, and hot sewage can not make heat exchanger stop up, pollute and wearing and tearing after entering heat-exchange device, thereby can make heat exchanger accomplish stable performance better, realizes normally operation.
The sewage jar is with mode initial gross separation sewage and impurity such as staticly settling, protecting follow-up unit to move better.Can also be as required at the rearmounted sewage pump of elementary drainage mouth.Be convenient to the sewage lifting is transported in the filter.
The cold water inlet place of heat exchanger 30 is provided with cold water temperature sensor 41 and flowmeter 43, be provided with warm water heat detector 42 in the warm water exit, warm water temperature numerical value after the flow of cold water and temperature and the intensification, the capital is transferred to the device 40 of the affirmation saving of fuel amount of a side, it is a kind of accumulation calorimeter of automatic saving amount, have functions such as online accumulative total demonstration, fully can real-time confirmation equipment running status and performance.The water yield value that the temperature gap of warm water heat detector 42 and cold water temperature sensor 41 multiply by flowmeter 43 is exactly the supply warm water calorie value that calculates, and calorie value can add up.Calculate and online demonstration by saving of fuel amount science, having solved at present can not online demonstration and the defective of cumulative calculation heat about the sewage heat reclamation device, has got rid of the doubt of plant effuent heat energy saving amount affirmation.Simultaneously, the present invention also can be equipped with remote-monitoring function, and the out temperature curve map of the running status of entire equipment, sewage and cold water, the warm water supply after the heat exchange are confirmed and heat is confirmed, can both monitor and report automatic the printing by computer.Automatically stop during equipment generation anomaly and report to the police, on monitor, show simultaneously unusual position takes place, promoted the technology content of sewage heat recovery equipment, make it intelligent more.
Claims (8)
1. sewage heat energy retracting device, the heat-exchange device (30), the electrical control gear that comprise filter, be connected with filter by pipeline, it is characterized in that described filter is two particle type filter arranged side by side (20,20a), filter top is provided with sewage inlet (21,21a), and the below is provided with drainage outlet (22,22a); The hot sewage inlet top of two filters is provided with a bridge-type valve (A), described bridge-type valve comprises two groups of group valves arranged side by side, every row group valve comprises the single valve (24,24a, 25,25a) of two series connection, and described sewage inlet (21,21a) is connected to the middle-end of the series connection single valve of the corresponding group of bridge-type valve (A) valve by pipeline; Bridge-type valve two upper end (24c) of group valve side by side is connected with sewage pipe (B), and lower end (24d) has drainpipe; Drainage outlet (22,22a) is connected with two two-way sewage import and export (31,32) of heat-exchange device by pipeline; Described heat-exchange device also is provided with cooling water inlet (33) and warm water outlet (34).
2,, it is characterized in that being provided with on the described sewage pipe (B) pressure sensor (23) according to the described sewage heat energy retracting device of claim 1; Described single valve (24,24a, 25,25a) is a pneumatic operated valve.
3. according to the described sewage heat energy retracting device of claim 2, it is characterized in that described heat-exchange device is template heat exchanger (30), the cooling water inlet (33) that is positioned at heat exchanger one side is higher than the warm water outlet (34) of opposite side.
4. according to the described sewage heat energy retracting device of claim 3, it is characterized in that described cooling water inlet (33) locates to be provided with a cold water temperature sensor (41) and a flowmeter (43), described warm water outlet (34) locates to be provided with a warm water heat detector (42), and described cold water temperature sensor (41), warm water heat detector (42) and flowmeter (43) are connected with a heat accumulative meter (40) by lead respectively.
5. according to the described sewage heat energy retracting device of claim 4, it is characterized in that being provided with in the described granular pattern filter filter plate of band filter opening, be filled with ball-shaped stainless steel steel ball on the filter plate, the diameter of steel ball is greater than the aperture of filter opening.
6. according to the described sewage heat energy retracting device of claim 5, it is characterized in that preposition centrifugal filter of described particle type filter or sewage jar (10), be provided with elementary sewage inlet and elementary drainage mouth at described centrifugal filter or sewage jar (10), the bottom is provided with the waste residue outlet, and elementary drainage mouth is connected with sewage pipe (B).
7,, it is characterized in that described from the rearmounted sewage pump (11) of elementary drainage mouth according to the described sewage heat energy retracting device of claim 6.
8,, it is characterized in that described bridge-type valve two is connected with sewage collecting pool (26) in the lower end (24d) of group valve side by side according to claim 1 or 6 described sewage heat energy retracting devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200830341U CN201177469Y (en) | 2008-01-24 | 2008-01-24 | Sewage water heat-energy recovering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200830341U CN201177469Y (en) | 2008-01-24 | 2008-01-24 | Sewage water heat-energy recovering apparatus |
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| Publication Number | Publication Date |
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| CN201177469Y true CN201177469Y (en) | 2009-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200830341U Expired - Lifetime CN201177469Y (en) | 2008-01-24 | 2008-01-24 | Sewage water heat-energy recovering apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493292B (en) * | 2008-01-24 | 2012-02-01 | 仁新节能环保设备(上海)有限公司 | Sewerage heat energy recovery system |
| CN104713413A (en) * | 2013-12-13 | 2015-06-17 | 衢州学院 | Online descaling strengthening device of heat exchanger |
| CN110052078A (en) * | 2019-05-30 | 2019-07-26 | 宁夏尚禹节水科技有限公司 | Compound automatic backwashing filter and filter method |
| CN110078148A (en) * | 2019-05-31 | 2019-08-02 | 中山市欣意诚科技有限公司 | A kind of sewerage heat energy recovery system and its working method |
-
2008
- 2008-01-24 CN CNU2008200830341U patent/CN201177469Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493292B (en) * | 2008-01-24 | 2012-02-01 | 仁新节能环保设备(上海)有限公司 | Sewerage heat energy recovery system |
| CN104713413A (en) * | 2013-12-13 | 2015-06-17 | 衢州学院 | Online descaling strengthening device of heat exchanger |
| CN110052078A (en) * | 2019-05-30 | 2019-07-26 | 宁夏尚禹节水科技有限公司 | Compound automatic backwashing filter and filter method |
| CN110078148A (en) * | 2019-05-31 | 2019-08-02 | 中山市欣意诚科技有限公司 | A kind of sewerage heat energy recovery system and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiuda Automobile Parts Manufacture (Shanghai) Co., Ltd. Assignor: Renxin Energy-saving environmental Protection Equipment (Shanghai) Co., Ltd. Contract record no.: 2010310000126 Denomination of utility model: Apparatus for recovering heat energy of sewage in shower Granted publication date: 20090107 License type: Exclusive License Record date: 20100728 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090107 Effective date of abandoning: 20080124 |