CN2853919Y - Water tank water purification equipment on top of building - Google Patents
Water tank water purification equipment on top of building Download PDFInfo
- Publication number
- CN2853919Y CN2853919Y CNU2005200454640U CN200520045464U CN2853919Y CN 2853919 Y CN2853919 Y CN 2853919Y CN U2005200454640 U CNU2005200454640 U CN U2005200454640U CN 200520045464 U CN200520045464 U CN 200520045464U CN 2853919 Y CN2853919 Y CN 2853919Y
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- water tank
- screen pack
- water
- electromagnetic valve
- pipe
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model discloses a water purifying apparatus for penthouse water tanks, comprising a pressurization filtration cleaning equipment which comprises a barrel, wherein the barrel is connected with an inlet pipe provided with a booster pump and a first magnetic valve, and an exhaust pipe arranged with a second magnetic valve, the barrel consists of a water purification section, a filtration section and a pollution discharge section, the filtration section comprises at least one filter layer, the upper and lower filtration layers are equipped with filtration nets, the water purifying apparatus also comprises a non-clogging recoil pollution discharge device which comprises a motor, a rotating pole connected with an output shaft in barrel, a mixing knife fixed on rotating pole in filtration section, a pollution discharge pipe under the pollution discharge section and a third magnetic valves arranged under the draining pipe of lower draining zone and at the pipe section of the draining pipe. The water purifying apparatus can not only filter and clear water, but also has automatic non-clogging pollution discharge without clearing by men.
Description
Technical field
The utility model relates to a kind of roof water tank purifier.
Background technology
Usually the water supply hygienic issues of used roof water tank has become the serious problems that people extremely pay close attention at present.Because the water tank long-term storage, of long duration inevitably have contamination precipitation in the water, also have silt, moss, rust water etc. sometimes, the water quality dirt is unclear, has had a strong impact on the urbanite water consumption quality.Expend a large amount of manpowers and water tank is carried out periodic cleaning, can not address this problem at all.
Therefore roof water tank is transformed, filtered and cleaned water tank water supply, provide the urbanite water consumption quality to necessitate and urgent problem.
Summary of the invention
The utility model provides a kind of roof water tank purifier for addressing the above problem, and it can filter and cleaned water tank supplies water, and can realize the automatic block-resistant blowdown and need not the labor cleaning.
The utility model is to address the above problem the technical scheme that adopts to provide a kind of roof water tank purifier, comprising:
Purifier is filtered in supercharging, and it comprises a cylindrical shell, and described cylindrical shell is connected with water inlet pipe and outlet pipe, described water inlet pipe pipeline section are provided with the booster pump and first electromagnetic valve, and described outlet pipe pipeline section is provided with second electromagnetic valve; Comprise the clean water area of top, the filtering area of centre and the blowdown district of below in the cylindrical shell, comprise one deck filtration beds at least in the described filtering area, described filtration beds upper and lower respectively is provided with screen pack;
Anti-blocking recoil blowdown apparatus, it comprises a motor, is located at the dwang that is connected with described motor output shaft of central authorities in the described cylindrical shell, the 3rd electromagnetic valve that is fixed on the described dwang and is positioned at the stirring blade of described filtration beds and is arranged on the blow-off pipe of bottom, described blowdown district and is arranged on described blow-off pipe pipeline section; And
Control the control system of described roof water tank purifier work, described control system comprises: first pressure sensor, delayer and controller, described first pressure sensor is arranged on described blowdown district, it has at least one input and at least one output, its input is connected with power supply, and its output is connected with the series circuit that constitutes that is in series by described delayer and controller; Described controller comprises a plurality of controls contact, controls each electromagnetic valve and described motor action respectively.
Described roof water tank purifier is characterized in that the filtering area of described cylindrical shell comprises two filter layers, and lower floor is the anthracite filtration beds, and it can be adsorbed on the surface with soft materials such as mosses, and can remove peculiar smell, and the upper strata is the quartz sand filtration layer, also is used as absorption impurity.
Described roof water tank purifier, be characterized in, the filtering area of described cylindrical shell comprises first, second, third screen pack, described first screen pack is located at described anthracite filtration beds below, between described anthracite filtration beds of described second screen pack and the described quartz sand filtration layer, described the 3rd screen pack is located at described quartz sand filtration layer top, described first, second, third screen pack not only can filtered water in impurity, also as between described clean water area, filtering area and the blowdown district and the division surface between the two filter layers.
Described roof water tank purifier is characterized in that the mesh of described first, second, third screen pack varies in size, the mesh maximum of wherein said first screen pack, the mesh of second screen pack secondly, the mesh minimum of the 3rd screen pack is used for filtering the impurity particle that varies in size.
Described roof water tank purifier is characterized in, described anti-blocking recoil blowdown apparatus comprises first stirring blade and second stirring blade, and described first stirring blade is positioned at described anthracite filtration beds, and described second stirring blade is positioned at described quartz sand filtration layer.Be used for the filtrate line of described filtration beds loose, line is loose because in filtering the water purification process, a part of pollutant for example moss, rust water etc. is easy to make filtrate to be bonded to bulk and to influence filter effect.
Described roof water tank purifier is characterized in, described recoil blowdown apparatus comprises that also the first round brush, second that is fixed on the described dwang is taken turns brush and third round is brushed; Described first, second comprises wheel disc and the hairbrush that is arranged on the described wheel disc card with the third round brush, the wheel disc card that described first, second and third round brush is provided with hairbrush is pressed close to described first, second and the 3rd screen pack respectively, in order to clean described first, second and the 3rd screen pack in order to avoid screen pack stops up because of impurity screening when described motor rotates.
Described roof water tank purifier, be characterized in, described recoil blowdown apparatus also comprises recoil water pipe of being located at described cylindrical shell clean water area top and being communicated with described water inlet pipe and the 4th electromagnetic valve of being located on the described recoil water pipe pipeline section, and described the 4th electromagnetic valve is by the control contact control of described controller.
Described roof water tank purifier is characterized in, also comprise the delivery port of the water inlet that is communicated with described water inlet pipe and described outlet pipe straight-through water pipe, be located at the 5th electromagnetic valve on the described straight-through water pipe pipeline section.
Described roof water tank purifier is characterized in, described control system also comprises second pressure sensor that is arranged on described clean water area top, and described second pressure sensor and described booster pump are in series, and the two ends of series connection are connected across both ends of power; And,
Also comprise the contact switch of controlling described the 5th electromagnetic valve work, this contact switch is connected with the output of described first pressure sensor.
Described roof water tank purifier, be characterized in, described control system also comprises second pressure sensor that is arranged on described clean water area top, described second pressure sensor and described booster pump are in series, and the two ends of its series connection are connected across on the power supply, and described second pressure sensor is as the switch of described booster pump, be lower than when setting value when detecting described clean water area hydraulic pressure, the described second pressure sensor conducting, described booster pump work makes to keep enough hydraulic pressure in the cylindrical shell.
Described roof water tank purifier, be characterized in, described delayer is made of central processing unit, described central processing unit is connected to described booster pump and described motor, described central processing unit also is connected with operation display panel, can set the motor time-delay closing time by described operation display panel, behind the operation setting-up time, stop automatically to control described motor.
When described roof water tank purifier was in the water purification filter state, first, second electromagnetic valve was opened, and water enters blowdown district in the cylindrical shell by water inlet pipe, filtered through filtering area and arrived clean water area, became clean water, supplied with the user through outlet pipe.When described water tank water purification is in anti-blocking recoil and filters state, three, the 4th and the 5th electromagnetic valve is opened, water is entered in the cylindrical shell by the recoil water pipe, motor rotates the drive stirring blade and the wheel brush rotates, line pine filtration beds, cleaning and filtering net, and with the blow-off pipe discharge of sewage through bottom, blowdown district, in this process, the water in the water tank can directly be supplied with the user through straight-through water pipe.
Therefore the utility model roof water tank purifier advantage is: 1. solved tap water by filtration, purification and entered the secondary pollution that water tank causes, ensured water resident's health; 2. because this equipment has function of increasing pressure, solved the not enough and disadvantage that causes resident's shower normally not use of original water tank hydraulic pressure.3. the automatic block-resistant recoil dirt eliminating function manpower and the water resource waste of having saved the frequent clean water tank.
Description of drawings
Other feature and advantage of the present utility model will further describe by the following specific embodiment, and in conjunction with the accompanying drawings, wherein:
Fig. 1 illustrates the structural representation of the utility model roof water tank purifier specific embodiment;
Fig. 2 illustrates the top view of the wheel brush of the utility model specific embodiment;
Fig. 3 illustrates the control system circuit structure diagram of the utility model specific embodiment;
Fig. 4 illustrates the processor connection diagram of another specific embodiment of the utility model.
The specific embodiment
See also Fig. 1, supercharging purifier of the present utility model comprises cylindrical shell 10, comprise the clean water area 11 of top, the filtering area 12 of centre and the blowdown district 13 of below in the cylindrical shell 10, comprise the filtration beds of one deck filling filtering material at least in the filtering area 12, each filtration beds upper and lower respectively is provided with screen pack, this screen pack not only can filtering water quality impurity, guarantees that also filtering material still is retained in when stirring in the filtration beds and can exosmose.
The filtering material of what and every layer of the filtration beds number of plies is selected to decide on water quality requirement, be provided with 2 layers of filtration beds in the present embodiment in the filtration beds, lower floor is an anthracite filtration beds 121, and it can be adsorbed on the surface with soft materials such as mosses, and can remove peculiar smell, the upper strata is a quartz sand filtration layer 122.Correspondingly, the screen pack that haves three layers is set in the filtering area, wherein first screen pack 123 is fixed in anthracite filtration beds 121 bottom surfaces, the blowdown district 13 that separates anthracite filtration beds 121 and cylindrical shell 10 belows, second screen pack 124 is fixed between anthracite filtration beds 121 and the quartz sand filtration layer 122, separate two filtration bedss, the 3rd screen pack 125 is fixed in quartz sand filtration layer 122 upper surface, separates the clean water area 11 of quartz sand filtration layer 122 and cylindrical shell 10 tops.First, second, third screen pack the 123,124, the 125th, the silk screen that adopts stainless steel to make, the mesh of three layers of silk screen varies in size, to filter the impurity particle of different sizes, the mesh maximum of first screen pack 123 wherein, the mesh of second screen pack 124 secondly, the mesh minimum of the 3rd screen pack 125.
Anti-blocking recoil blowdown apparatus of the present utility model comprises a motor 20, be located at central authorities and the dwang 21 that is connected with motor 20 output shafts in the cylindrical shell 10, be fixed on the dwang 21 and be positioned at the stirring blade of above-mentioned filtration beds, in the present embodiment, anti-blocking recoil blowdown apparatus comprises first stirring blade 22 and second stirring blade 23, first stirring blade 22 is positioned at anthracite filtration beds 121, the second stirring blades 23 and is positioned at quartz sand filtration layer 122.Stirring blade 22,23 can loose the filtrate line of filtration beds 121,122 when motor 20 rotates, line is loose, because in filtering the water purification process, a part of pollutant for example moss, rust water etc. is easy to make filtrate to be bonded to bulk and to influence filter effect.
Anti-blocking recoil blowdown apparatus also comprises first round brush 24, second takes turns brush 25 and third round brush 26, press close to first respectively, the second and the 3rd screen pack 123,124,125, first, second and third round brush first, the second and the 3rd screen pack 123,124,125 comprise wheel disc 27 and the hairbrush 28 that is arranged on the described wheel disc card, described first, second and third round brush 24,25, the 26 wheel disc cards that are provided with hairbrush press close to described first respectively, the second and the 3rd screen pack 123,124,125, as shown in Figure 2, these hairbrush contact with screen pack, and when motor 20 rotates the cleaning and filtering net so as not to screen pack stop up because of impurity screening.
Cylindrical shell 10 bottoms are provided with water inlet pipe 30, be connected with water tank, water inlet pipe 30 is provided with booster pump 32, first electromagnetic valve 40 and first flap valve 45, wherein near cylindrical shell 10, booster pump 32 is near the water inlet of water inlet pipe 30, and first electromagnetic valve 40 is between first flap valve 45 and booster pump 32.Cylindrical shell top is provided with outlet pipe 31, and its delivery port supplies water to the user, and outlet pipe 31 is provided with second electromagnetic valve 41.Booster pump 32 is used in the water suction cylindrical shell 10 of water tank, makes cylindrical shell 10 keep certain hydraulic pressure, avoids resident's shower normally not use.First, second electromagnetic valve 40,41 is an open mode generally, makes equipment be in the water purification duty, and when equipment was in recoil blowdown duty, first, second electromagnetic valve 40,41 cut out, and no longer provides clean water to the user.Flap valve 45 is used to prevent that the aqueous refluxs in the cylindrical shell 10 from going into water inlet pipe 30.
Cylindrical shell 10 tops also are provided with recoil water pipe 33, be communicated with water inlet pipe 30, its pipeline section is provided with the 4th electromagnetic valve 43 and second flap valve 46, recoil water pipe 33 is used to introduce the water of water tank to screen pack in the cylindrical shell and filtration beds bath cleaning, impurity and pollutant are flushed to the blowdown district 13 of cylindrical shell 10 bottoms, cylindrical shell 10 bottoms also are provided with blow-off pipe 34, and its pipeline section is provided with the 3rd electromagnetic valve 42, the sewage discharge that blow-off pipe 34 will recoil and clean.Three, the 4th electromagnetic valve 42,43 is closed condition under normal conditions, but opens when equipment is in recoil blowdown duty.Second flap valve 46 is used to prevent that the aqueous refluxs in the cylindrical shell 10 from going in the recoil tube 43.
Between the delivery port of the water inlet of water inlet pipe and outlet pipe, also be communicated with straight-through water pipe 45, direct joining water box and user, which is provided with the 5th electromagnetic valve 44, the 5th electromagnetic valve 44 cuts out when equipment is in the water purification duty, when equipment is in recoil blowdown duty or when power failure, the 5th electromagnetic valve 44 is opened, and is used for the water of water tank is directly offered the user, prevents because of equipment blowdown or power failure to cut off the water supply.
Now see also Fig. 3, also comprise in the present embodiment making the purifier automatic control system of operation automatically, it comprises first pressure sensor, 50, the second pressure sensors 51, delayer 52, controller 53 and contact switch 54; First pressure sensor 50 is arranged on blowdown district 13, be used to detect the hydraulic pressure in blowdown district 13, it can adopt pressure switch, it has as the stationary contact of input with as the constant open contact and the constant close contact of output, wherein stationary contact is connected with zero-power line, constant open contact and delayer 52, controller 53 are in series, and be connected with the power supply phase line by controller 53, control system is controlled the break-make of controller 53 by trigger delayer 52, constant close contact and contact switch 54 are in series, and contact switch 54 is used to control 44 actions of the 5th electromagnetic valve; Controller 53 can be the relay with a plurality of controls contact 531, and a plurality of controls contact 53a, 53b, 53c, 53d, 53e control motor 20 and 40,41,42,43 actions of each electromagnetic valve respectively.
When cause screen pack to stop up owing to cylindrical shell 10 internal contamination things, when cylindrical shell 10 bottom hydraulic pressure are increased to the setting value of first pressure sensor 50, the constant close contact of first pressure sensor 50 discharges, the constant open contact adhesive, trigger delayer 52 is connected, controller 53 must conduct, contact switch 54 gets electric disconnection, first, second electromagnetic valve 40,41 close, the 3rd, the 4th electromagnetic valve 42,43 open, motor 20 starts, this moment, equipment was in the duty of removing contamination that recoils, and by stirring blade the filtering material line in the filtration beds was loose, the line pine is cleaned impurity and the pollutant that is blocked on the screen pack by the wheel brush, and impurity and pollutant are flushed to blowdown district 13 by the water of from recoil water pipe 33, introducing, via blow-off pipe 34 sewage is discharged.In this process, because contact switch 54 gets electric disconnection, the 5th electromagnetic valve 44 dead electricity are opened, and the water in the water tank can directly be sent to the resident via straight-through water pipe 35.
After the time of setting, delayer 52 disconnects, controller 53 dead electricity disconnect, first, second electromagnetic valve 40,41 is opened, and the 3rd, the 4th electromagnetic valve 42,43 cuts out, and motor stops, and contact switch 54 closures, the 5th electromagnetic valve 44 cuts out, and the equipment recoil end-of-job of removing contamination enters normal purification duty.
As shown in Figure 3, also can connect a switch 55 between the stationary contact of the delayer 52 and first pressure sensor 50, be used for manual triggers delayer 52, start recoil blowdown flow process.
This control circuit also can comprise the rotating system 56 of a control motor 20 rotatings, and motor 20 drives stirring blade and wheel is brushed the effect that alternately rotating can be played better line pine filtrate and cleaning and filtering net.
See also Fig. 4, in another embodiment, delayer 52 is made of central processing unit 521, and central processing unit 521 is also connected to booster pump 32 and motor 20, and central processing unit 521 is connected with operation display panel 522.Central processing unit 521 exportable control signals are controlled booster pump 32 separately not to be needed by the actuating of relay in the controller 53 with the operation of motor 20, and the duty of booster pump 32 with motor 20 is presented in the guidance panel 522.
The automatic cycle of operation, time-delay closing time, the number of run record of motor 20 have been stored in the central processing unit 521.These data all can be read by operation display panel 522 and be shown or modification.The automatic cycle of operation and time-delay closing have been set after the time, motor 20 can move once at set intervals automatically, and stop automatically after the time at the time-delay closing of setting, therefore do not need by the time cylindrical shell 10 bottoms to stop up and first pressure sensor, 50 state variation are come starter motor 20, guaranteed the sequential operation of purifier, the number of run record then is the operation conditions of the number of run of record motor 20 for understanding equipment.
Central processing unit 521 also can trigger input according to it, the on off state of electromagnetic valve 40,41,42,43,44 is judged in the i.e. input that is connected with the constant open contact of first pressure sensor 50, when triggerless is imported, electromagnetic valve 40,41 is opened, electromagnetic valve 42,43,44 cuts out, when triggering input, central processing unit 521 output signals make controller 53 closures, and electromagnetic valve 40,41 cuts out, electromagnetic valve 42,43,44 is opened.Central processing unit 521 also is presented at the on off state of these electromagnetic valves 40,41,42,43,44 on the operation display panel 522.
Claims (10)
1. a roof water tank purifier is characterized in that, comprising:
Purifier is filtered in supercharging, and it comprises a cylindrical shell, and described cylindrical shell is connected with water inlet pipe and outlet pipe, described water inlet pipe pipeline section are provided with the booster pump and first electromagnetic valve, and described outlet pipe pipeline section is provided with second electromagnetic valve; Comprise clean water area, filtering area and blowdown district in the cylindrical shell, described filtering area is arranged between clean water area and the blowdown district, comprises one deck filtration beds at least in this filtering area, and described filtration beds upper and lower respectively is provided with screen pack;
Anti-blocking recoil blowdown apparatus, it comprises motor, be located in the described cylindrical shell central authorities and the dwang that is connected with described motor output shaft, the 3rd electromagnetic valve that is fixed on the described dwang and is positioned at the stirring blade of described filtration beds and is arranged on the blow-off pipe of bottom, described blowdown district and is arranged on described blow-off pipe pipeline section; And
Control the control system of described roof water tank purifier work, it comprises: first pressure sensor, delayer and controller, described first pressure sensor is arranged on described blowdown district, it has at least one input and at least one output, its input is connected with power supply, and its output is connected with the series circuit that constitutes that is in series by described delayer and controller; Described controller comprises a plurality of controls contact, controls each electromagnetic valve and described motor action respectively.
2. roof water tank purifier as claimed in claim 1 is characterized in that the filtering area of described cylindrical shell comprises two filter layers, and lower floor is the anthracite filtration beds, and the upper strata is the quartz sand filtration layer.
3. roof water tank purifier as claimed in claim 2, it is characterized in that, the filtering area of described cylindrical shell comprises first, second, third screen pack, described first screen pack is located at described anthracite filtration beds below, between described anthracite filtration beds of described second screen pack and the described quartz sand filtration layer, described the 3rd screen pack is located at described quartz sand filtration layer top.
4. roof water tank purifier as claimed in claim 3, it is characterized in that the mesh of described first, second, third screen pack varies in size, the mesh maximum of wherein said first screen pack, the mesh of second screen pack secondly, the mesh minimum of the 3rd screen pack.
5. roof water tank purifier as claimed in claim 1 is characterized in that, described recoil blowdown apparatus comprises that also at least one that be fixed on the described dwang take turns brush, and the described brush of taking turns is pressed close to described screen pack.
6, roof water tank purifier as claimed in claim 5 is characterized in that, the described brush of taking turns comprises wheel disc and the hairbrush that is arranged on the described wheel disc card.
7. roof water tank purifier as claimed in claim 1, it is characterized in that, described recoil blowdown apparatus also comprises recoil water pipe of being located at described cylindrical shell clean water area top and being communicated with described water inlet pipe and the 4th electromagnetic valve of being located on the described recoil water pipe pipeline section, and described the 4th electromagnetic valve is by the control contact control of described controller.
8. roof water tank purifier as claimed in claim 1 is characterized in that, also comprise the delivery port of the water inlet that is communicated with described water inlet pipe and described outlet pipe straight-through water pipe, be located at the 5th electromagnetic valve on the described straight-through water pipe pipeline section.
9. roof water tank purifier as claimed in claim 1, it is characterized in that, described control system also comprises second pressure sensor that is arranged on described clean water area top, and described second pressure sensor and described booster pump are in series, and the two ends of series connection are connected across both ends of power; And,
Also comprise the contact switch of controlling described the 5th electromagnetic valve work, this contact switch is connected with the output of described first pressure sensor.
10. roof water tank purifier as claimed in claim 1 is characterized in that described delayer is made of central processing unit, and described central processing unit is connected to described booster pump and described motor, and described central processing unit also is connected with operation display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200454640U CN2853919Y (en) | 2005-09-29 | 2005-09-29 | Water tank water purification equipment on top of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200454640U CN2853919Y (en) | 2005-09-29 | 2005-09-29 | Water tank water purification equipment on top of building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2853919Y true CN2853919Y (en) | 2007-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200454640U Expired - Fee Related CN2853919Y (en) | 2005-09-29 | 2005-09-29 | Water tank water purification equipment on top of building |
Country Status (1)
| Country | Link |
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| CN (1) | CN2853919Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914933A (en) * | 2010-08-25 | 2010-12-15 | 中铁一局集团有限公司 | Water supply device for tunnel |
| CN104878809A (en) * | 2015-05-30 | 2015-09-02 | 开封金盾压力容器设备有限公司 | Integral non-negative-pressure water purifying-supplying equipment |
| CN105862992A (en) * | 2016-04-26 | 2016-08-17 | 刘洋豪 | Energy-saving and water-saving heating machine capable of recycling heat energy and wastewater and cyclically using purified water |
| CN107386367A (en) * | 2017-07-03 | 2017-11-24 | 苏州科博思设备工程有限公司 | A kind of box type negative-pressure-free supply equipment with the internal spot function of cleaning |
| CN108716235A (en) * | 2018-06-07 | 2018-10-30 | 苏州赛易特环保科技有限公司 | A kind of energy-saving and environmental protection type high efficiency pressure water supply equipment |
| CN110173433A (en) * | 2019-04-30 | 2019-08-27 | 江苏大学 | A kind of preventing clogging up device and control method and sewage pump |
-
2005
- 2005-09-29 CN CNU2005200454640U patent/CN2853919Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914933A (en) * | 2010-08-25 | 2010-12-15 | 中铁一局集团有限公司 | Water supply device for tunnel |
| CN104878809A (en) * | 2015-05-30 | 2015-09-02 | 开封金盾压力容器设备有限公司 | Integral non-negative-pressure water purifying-supplying equipment |
| CN105862992A (en) * | 2016-04-26 | 2016-08-17 | 刘洋豪 | Energy-saving and water-saving heating machine capable of recycling heat energy and wastewater and cyclically using purified water |
| CN107386367A (en) * | 2017-07-03 | 2017-11-24 | 苏州科博思设备工程有限公司 | A kind of box type negative-pressure-free supply equipment with the internal spot function of cleaning |
| CN108716235A (en) * | 2018-06-07 | 2018-10-30 | 苏州赛易特环保科技有限公司 | A kind of energy-saving and environmental protection type high efficiency pressure water supply equipment |
| CN110173433A (en) * | 2019-04-30 | 2019-08-27 | 江苏大学 | A kind of preventing clogging up device and control method and sewage pump |
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