CN1274603C - Water taking-out method and automatic scrubbing apparatus by urban sewage low-order heat energy - Google Patents
Water taking-out method and automatic scrubbing apparatus by urban sewage low-order heat energy Download PDFInfo
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- CN1274603C CN1274603C CN 200410020630 CN200410020630A CN1274603C CN 1274603 C CN1274603 C CN 1274603C CN 200410020630 CN200410020630 CN 200410020630 CN 200410020630 A CN200410020630 A CN 200410020630A CN 1274603 C CN1274603 C CN 1274603C
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Abstract
The present invention relates to a method for taking water from urban sewage pipe networks and an automatic dirt removing device, which belongs to the technical field of the utilization of natural energy resources. The present invention is characterized in that sewage automatically flows into the automatic dirt removing device along a sewage inlet pipeline by utilizing the potential energy difference between urban sewage pipe networks and the automatic dirt removing device; the automatic dirt removing device is composed of a hole plate filtering barrel, a motor, a speed reducer, an overflow port, a rotating rod, a drainage pipeline, a water spraying pipeline, a supporting frame of the filtering barrel, an outer shell, a blind flange, a rolling bearing, a water spraying submersible pump, a sewage inlet pipeline, a circulating pump, a sewage outlet pipeline, a discharge pipeline and a drainage pump. The automatic dirt removing device has the advantages that the problem that heat exchangers are blocked by the pollutants produced in the process of energy extraction of untreated urban sewage and the problem of short circuit of sewage at the port of the sewage inlet pipeline and the sewage outlet pipeline are solved, and can be used as the hot and cold sources of heat pumps or a cold source for cooling the recirculating water of large-sized devices; the automatic dirt removing device is widely used for hotels, emporiums, office buildings, schools, villas, dwelling houses, etc., and has obvious environmental protection benefits, social benefits and economic benefits.
Description
Technical field
The invention belongs to natural energy resources and utilize technical field, relate to a kind of method for fetching water and automatic decontamination apparatus of sewage, relate in particular to a kind of method for fetching water and automatic decontamination apparatus that in municipal sewage pipe network, utilizes the sewage Lowlevel thermal energy.
Background technology
Municipal effluent is a kind of available low-temperature energy sources, and particularly undressed municipal effluent does not obtain large-scale development and utilization at present as yet.In recent years, though China's water source heat pump technology development is very fast, be subjected to the restriction of shortage of water resources present situation, so the development and use of this low-temperature energy sources of municipal effluent are subjected to people's attention day by day.Compare with the groundwater source heat pump, the sewage source heat pump need not be from underground groundwater abstraction, also recirculated water need not be recharged underground, so, not only save the initial cost of pumped well and inverted well, can also save the working cost that draws water and recharge, simultaneously, also avoid recharge water phreatic pollution.To the utilization of municipal effluent heat resource, both at home and abroad mainly with the secondary effluent of municipal sewage plant as thermal source or low-temperature receiver.
Have plurality of advantages with municipal effluent as Cooling and Heat Source: range of temperature is little throughout the year; It is higher that heat is deposited in tax; Be subjected to weather effect less, utilize the zone wider.But when adopting undressed municipal effluent as the water source, the dirty foreign material in the sewage may stop up interchanger.Therefore before entering interchanger, must carry out pre-treatment to it.
Find by retrieval: " utilizing municipal effluent that the air-conditioning plant of the energy is provided " (ZL01220095.6) discloses a kind of air-conditioning plant that utilizes municipal effluent that the energy is provided, but this device can only utilize the municipal effluent after the second-stage treatment." application method of urban sewage as cold and heat source and device " (application number 03132553.X) discloses a kind of sewage circulation unit that utilizes municipal effluent that the energy is provided.Its deficiency is that the sewage return water pipe is connected with two branch drains, owing to adopt the backwater place of advancing in planar grille filter screen sewage loop still to have short circuit problem; Therefore the basal area of the single draining mouth of pipe is identical with the basal area of the single suction mouth of pipe, because the effluent flow rate around the mouth of pipe much smaller than the center flow velocity, certainly will cause around the mouth of pipe flushing of dirty foreign material incomplete; Though the area of planar grille filter screen is bigger, the screen area that really plays a role in filtering the only area with the sewage water absorption tube is identical, and filter screen is not fully used; Water intaking needs consumption of power from trunk sewer.
Summary of the invention
The objective of the invention is to overcome above-mentioned prior art exists advance draining short circuit, flushing not exclusively, filter screen is underused and the deficiency of aspect such as the consumption of power of fetching water, and proposes a kind of method for fetching water and novel automatic decontamination apparatus.This invention is to utilize municipal sewage pipe network poor with the potential energy of automatic decontamination apparatus, and sewage is flowed automatically in the automatic decontamination apparatus along the sewage water inlet pipe road, utilizes the orifice plate cartridge filter that dirty foreign material are intercepted; The water pipe and the blow-off line that adopt the orifice plate cartridge filter and cooperate have with it solved when extracting energy from undressed municipal effluent, and dirty foreign material stop up the problem of interchanger; Big area low speed filters, and is easy to obtain filter effect preferably; High velocity flow counterflush orifice plate cartridge filter is removed the better effects if of dirty foreign material; The water outlet of discharge pipe line can be arranged on municipal sewage pipe network with respect to optional position, downstream, sewage water inlet pipe road, and the water intaking of sewage and draining are thoroughly separated, and avoids the short circuit problem at suction hose nozzle place in the water fetching device.
The present invention is achieved by the following technical solutions, and it is made up of with submersible pump, filtration cartridge support, residual sea water pump etc. orifice plate cartridge filter, motor and speed reduction unit, bull stick, wheelwork support, rolling bearing, water pipe, blow-off line, sewage water inlet pipe road, sewage outlet pipeline, overflow passage, water spray.Comprise water intaking and two processes of scrubbing, utilize municipal sewage pipe network 1 poor with the potential energy of automatic decontamination apparatus 3, sewage is flowed automatically in the automatic decontamination apparatus 3 along sewage water inlet pipe road 2, behind the orifice plate cartridge filter of sewage through rotation, dirty foreign material are removed, suck interchanger through the sewage outlet pipeline by water pump again, behind sewage discharge or the absorption heat, return in the municipal sewage pipe network by discharge pipe line again.Attached to the dirty foreign material on the cartridge filter outer wall, by the orifice plate cartridge filter inwall counterflush constantly to rotation of the high velocity flow of water jet standpipe ejection, the dirty foreign material that backwash is fallen are collected by blow-off line, and are discharged in the municipal sewage pipe network by residual sea water pump in the scrubbing process.
The orifice plate cartridge filter serves as the axle rotation with its medullary ray, speed of rotation is 1-2r/min, utilize municipal sewage pipe network 1 poor with the potential energy of decontamination apparatus 3 automatically, sewage is flowed automatically in the automatic decontamination apparatus 3 along sewage water inlet pipe road 2, the floating matter in the sewage is blocked and attached on the orifice plate cartridge filter outside.Along with the orifice plate cartridge filter do not stop the rotation, when the position of adhering to dirty foreign material forwards the water spray mouth of pipe to, promptly by the velocity reversal flushing of high velocity flow with 2-3m/s, dirty foreign material are washed in the blow-off pipe and by current to be taken away, thereby has realized the automatic filtration of dirty foreign material in the sewage.
The water that the water that water jet standpipe adopted is directly taken through the orifice plate filter cartridge gets final product, because the water yield of its required usefulness is less, the submersible pump of will spraying water is placed directly in the water fetching device.
Cartridge filter by vertical rotation forms two independently spaces in device, there is the cartridge filter inboard in sewage after filtering, the water intaking of sewage is thoroughly separated with draining, the water outlet of discharge pipe line can be arranged on municipal sewage pipe network with respect to optional position, downstream, sewage water inlet pipe road like this, thereby when having solved intake pipe and water shoot and being installed together, suck back the easy problem of short-circuit of water.
The aperture of orifice plate cartridge filter depends primarily on the degrees of tolerance of interchanger to dirty foreign material size.The size of orifice plate cartridge filter and water inlet pipe caliber depend primarily on the water yield of system's actual needs and the discharge in the sewage network.In addition, because municipal effluent water quality has certain corrodibility, heat exchanger and heat-transfer pipe should use corrosion resistant material, can adopt titanium sheet heat exchanger or copper tubing.
Excessive as the water yield in the device, unnecessary water can overflow from overflow port.Blind plate is divided into two spaces up and down with device, and rolling bearing is installed on it, and bull stick rotates by rolling bearing, makes the filtration cartridge support running steadily.
At present, be untreated that the municipal effluent water source heat pump system is energy-conservation, efficient with it, the advantage of environmental protection, accepted by the user gradually, market application foreground is considerable.The municipal effluent temperature is compared with envrionment temperature, shows as cool in summer and warm in winter.In the winter time, the sewage water temperature reaches 10-15 ℃, exceeds 20 ℃ of daily temperature; In summer, the sewage water temperature is 22-25 ℃, and is lower 10 ℃ than daily temperature again.Therefore, municipal effluent is a kind of water source of suitable heat pump.
Effect of the present invention and benefit are to rely on the waterhead water intaking, the energy expenditure in the time of can saving water intaking, and when hot user distance municipal sewage pipe network was far away, energy-saving effect was more obvious; The water pipe and the blow-off line that adopt the orifice plate cartridge filter and cooperate have with it solved when extracting energy from undressed municipal effluent, and dirty foreign material stop up the problem of interchanger; Big area low speed filters, and is easy to obtain filter effect preferably; High velocity flow counterflush orifice plate cartridge filter is removed the better effects if of dirty foreign material; The water outlet of discharge pipe line can be arranged on municipal sewage pipe network with respect to optional position, downstream, sewage water inlet pipe road, easily water intaking and draining problem of short-circuit when thoroughly having solved intake pipe and water shoot and being installed together.Transmission mechanism is micro-machine and speed reduction unit thereof, and arranged apart with water system, safe and reliable.The gordian technique of municipal effluent Lowlevel thermal energy utilization be the to be untreated Energy extraction process of municipal effluent.Compared with former existing technology, the present invention has substantive distinguishing features and obvious improvement.The present invention can be heat pump Cooling and Heat Source is provided, and also can be used for the cycling use of water of cooling large-sized equipment.This system can be used for heating, air-conditioning, also can supply domestic water, is suitable in the hotel, occasion uses such as market, office building and villa dwelling house, has tangible environmental benefit, social benefit and economic benefit.
Description of drawings
Fig. 1 is a principle of the invention synoptic diagram.
Fig. 2 is the structural representation of automatic decontamination apparatus.
Fig. 3 is the sectional view of automatic decontamination apparatus.
Among the figure: 1 municipal sewage pipe network, 2 sewage water inlet pipe roads, 3 automatic decontamination apparatus, 4 recycle pumps, 5 sewage outlet pipelines, 6 discharge pipe lines, 7 interchanger, 8 residual sea water pumps, 9 motors, 10 speed reduction units, 11 overflow ports, 12 bull sticks, 13 blow-off lines, 14 water pipes, 15 filtration cartridge support, 16 orifice plate cartridge filters, 17 shells, 18 blind plates, 19 rolling bearings, 20 water spray submersible pumps.
Embodiment
Be described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing and technical scheme.
As shown in Figure 1, 2, 3, the sewage in the municipal sewage pipe network 1 relies on waterhead to flow automatically in the automatic decontamination apparatus 3 along sewage water inlet pipe road 2.Motor 9 and speed reduction unit 10 drive filtration cartridge support 15 by bull stick 12 and then drive 16 rotations of orifice plate cartridge filter.Municipal effluent flows automatically in this device along sewage water inlet pipe road 2, and enter in the orifice plate cartridge filter 16 of rotation, sewage after the processing is extracted by recycle pump 4 and enters interchanger 7 through outlet pipeline 5, and after thermal exchange, sewage is returned in the municipal sewage pipe network 1 by discharge pipe line 6 again.In sewage treatment process attached to the dirty foreign material of orifice plate cartridge filter 16 outer walls, high speed water by water jet standpipe 14 ejections is carried out backwash, the dirty foreign material of backwash are collected by blow-off line 13, and be discharged in the municipal sewage pipe network 1 by residual sea water pump 8, the backwash current are extracted from bottom of device by water spray submersible pump 20.Excessive as the water yield in the device, unnecessary water can overflow from overflow port 11.Blind plate 18 is divided into two spaces up and down with device, and rolling bearing 19 is installed on it, and bull stick 12 rotates by rolling bearing 19, makes filtration cartridge support 15 runnings steadily.
Claims (5)
1. utilize the water intaking and the automatic decontamination apparatus of municipal effluent Lowlevel thermal energy, it is characterized in that: water intaking is to utilize municipal sewage pipe network (1) poor with the potential energy of automatic decontamination apparatus (3), and sewage is flowed automatically in the automatic decontamination apparatus (3) along sewage water inlet pipe road (2); Automatically decontamination apparatus (3) is made up of orifice plate cartridge filter (16), motor (9), speed reduction unit (10), overflow port (11), bull stick (12), blow-off line (13), water pipe (14), filtration cartridge support (15), shell (17), blind plate (18), rolling bearing (19), water spray submersible pump (20), sewage water inlet pipe road (2), recycle pump (4), sewage outlet pipeline (5), discharge pipe line (6), residual sea water pump (8).
2. water intaking and the automatic decontamination apparatus that utilizes the municipal effluent Lowlevel thermal energy according to claim 1 is characterized in that: motor (9) and speed reduction unit (10) drive filtration cartridge support (15) and then drive orifice plate cartridge filter (16) by bull stick (12) and rotate with 1-2r/min.
3. water intaking and the automatic decontamination apparatus that utilizes the municipal effluent Lowlevel thermal energy according to claim 1, it is characterized in that: municipal effluent flows automatically to this device along sewage water inlet pipe road (2), and enter in the orifice plate cartridge filter (16) of rotation, sewage after the processing is extracted by recycle pump (4), enter interchanger (7) through outlet pipeline (5), after thermal exchange, sewage is returned in the municipal sewage pipe network (1) by discharge pipe line (6) again.
4. water intaking and the automatic decontamination apparatus that utilizes the municipal effluent Lowlevel thermal energy according to claim 1, it is characterized in that: in sewage treatment process attached to the dirty foreign material on orifice plate cartridge filter (16) outer wall, by orifice plate cartridge filter (16) the inwall counterflush constantly of the high velocity flow of water jet standpipe (14) ejection to rotation, the dirty foreign material that backwash is fallen are collected by blow-off line (13), and are discharged in the municipal sewage pipe network (1) by residual sea water pump (8); The backwash current are by extracting the sewage of water spray submersible pump (20) after handling.
5. water intaking and the automatic decontamination apparatus that utilizes the municipal effluent Lowlevel thermal energy according to claim 1, it is characterized in that: the water outlet of discharge pipe line (6) is arranged on municipal sewage pipe network (1) with respect to optional position, downstream, sewage water inlet pipe road (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020630 CN1274603C (en) | 2004-05-28 | 2004-05-28 | Water taking-out method and automatic scrubbing apparatus by urban sewage low-order heat energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020630 CN1274603C (en) | 2004-05-28 | 2004-05-28 | Water taking-out method and automatic scrubbing apparatus by urban sewage low-order heat energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1583578A CN1583578A (en) | 2005-02-23 |
| CN1274603C true CN1274603C (en) | 2006-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410020630 Expired - Fee Related CN1274603C (en) | 2004-05-28 | 2004-05-28 | Water taking-out method and automatic scrubbing apparatus by urban sewage low-order heat energy |
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| Country | Link |
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| CN (1) | CN1274603C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403549B (en) * | 2008-10-13 | 2014-08-27 | 北京瑞宝利热能科技有限公司 | Intelligent sullage anti-block machine |
| CN101874944A (en) * | 2010-06-24 | 2010-11-03 | 大连葆光节能空调设备厂 | Full-automatic intellectual anti-block sewage filter net system |
| CN102261539B (en) * | 2011-05-12 | 2013-03-27 | 天津市东文浩达能源技术有限公司 | Tamper-proof system of waste water source heat pump system |
| CN102826731A (en) * | 2012-09-24 | 2012-12-19 | 哈尔滨工业大学 | Temperature protection system for reducing sludge ecologically |
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- 2004-05-28 CN CN 200410020630 patent/CN1274603C/en not_active Expired - Fee Related
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| CN1583578A (en) | 2005-02-23 |
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Granted publication date: 20060913 |