CN110193220A - A kind of sand filtration backwashing system for sewage treatment - Google Patents
A kind of sand filtration backwashing system for sewage treatment Download PDFInfo
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- CN110193220A CN110193220A CN201910471513.3A CN201910471513A CN110193220A CN 110193220 A CN110193220 A CN 110193220A CN 201910471513 A CN201910471513 A CN 201910471513A CN 110193220 A CN110193220 A CN 110193220A
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- sand filtration
- tank body
- controller
- connect
- threeway
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention provides a kind of sand filtration backwashing system for sewage treatment, including sand filtration tank body, multifunction valve, electric-control system, self priming pump, check-valves, flowmeter, controller, pressure gauge；Self priming pump is connect by check-valves with outlet pipeline, flowmeter is installed on outlet pipeline, and it connects with controller, outlet pipeline is connect with the inlet pipeline of sand filtration tank body, the inlet pipeline of sand filtration tank body is connect with multifunction valve, and multifunction valve is installed on sand filtration top of the tank, and pressure gauge is installed on the inlet pipeline of sand filtration tank body, electric-control system is connect with multifunction valve, pressure gauge, controller, and the water flow of controller is greater than flow of inlet water.When solid suspension is excessive in sandfiltration pot body, when gage pressure value rises to setting value, electric-control system receive pressure gauge information and feed back to the concatenated controller of flowmeter, start bypass motor-driven valve door, backwash more thoroughly, greatly prolong tank body blocking the period.
Description
Technical field
The present invention relates to technical field of water treatment equipment more particularly to a kind of sand filtration backwashing systems for sewage treatment.
Background technique
The discharge and its processing of sewage are the major issues of environment purification in actual life.In many sewage treatments
Cheng Zhong, the removal of impurities desanding of water are especially important links.Sand filtration apparatus is used widely in sewage treatment, and the purpose is to filter
Clean water out, sand grains for filter sewage etc. have the substance of filterability, and such filter material is easy to block, and work as suspended matter
After collecting to a certain extent, filter efficiency just will affect, it is therefore desirable to be rinsed the intracorporal gravel of tank, to carry out circulation benefit
With.But existing sewage Sand Filtration System backwash flow is consistent with flow of inlet water, and backwash is easily caused to be not thorough, there is blocking in tank body
The problem of.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of sand filtration backwashes for sewage treatment
System, it is consistent with flow of inlet water to solve existing sewage Sand Filtration System backwash flow, easily causes backwash to be not thorough, tank body memory
The problem of blocking.
The present invention provides a kind of sand filtration backwashing system for sewage treatment, including sand filtration tank body, multifunction valve, automatically controlled system
System, self priming pump, check-valves, flowmeter, controller, pressure gauge, the self priming pump are connect by the check-valves with outlet pipeline,
The flowmeter is installed on the outlet pipeline, and is connected with the controller, the outlet pipeline and the sand filtration tank body
Inlet pipeline connection, the inlet pipeline of the sand filtration tank body connect with the multifunction valve, and the multifunction valve is installed on institute
State the top of sand filtration tank body, the pressure gauge is installed on the inlet pipeline of the sand filtration tank body, the electric-control system with it is described
Multifunction valve, the pressure gauge, controller connection, the water flow of the controller are greater than flow of inlet water.
It further, further include several 90 degree of elbows, oily stubborn, ball valve, straight tube, threeway；At the self priming pump inlet
Outer silk nipple, the one 90 degree of elbow, first oil twist, the first ball valve, the 2nd 90 degree passed sequentially through between elbow, water inlet directly
Pipe connection, the water inlet are equipped with the second oil and twist；Outer silk nipple at the self priming pump liquid outlet by straight tube with
Check-valves connection, the check-valves, the first import of the first threeway, the second import, the second ball valve, the flowmeter, the
First import of two threeways passes sequentially through straight tube connection, and the second entrance of the second threeway is equipped with the pressure gauge, and the two or three
Logical outlet is connect with the first import of third threeway, and the outlet of third threeway is connect with the inlet pipeline of the sand filtration tank body,
The controller is connect by straight tube with the second import of third threeway, and straight tube, the 3rd 90 degree of elbow and the first threeway are passed through
Outlet connection.
Further, the flowmeter includes large capacity meter and small flowmeter, the large capacity meter and the small flowmeter
It is parallel on the outlet pipeline, the large capacity meter is connected with the controller.
It further, further include water pump bracket, the water pump bracket is installed on the bottom of the self priming pump.
Further, the sand filtration tank body is glass reinforced plastic tank body.
Further, the sand filtration tank interior is equipped with water distributor.
Further, the multifunction valve is strainer valve.
Further, the controller is electromagnetic valve switch.
Further, the water flow of the electromagnetic valve switch is greater than the three to four-fold of flow of inlet water.
Compared with prior art, the beneficial effects of the present invention are:
The present invention provides a kind of sand filtration backwashing system for sewage treatment, including sand filtration tank body, multifunction valve, automatically controlled system
System, self priming pump, check-valves, flowmeter, controller, pressure gauge, self priming pump are connect by check-valves with outlet pipeline, flowmeter peace
It loaded on outlet pipeline, and connects with controller, outlet pipeline is connect with the inlet pipeline of sand filtration tank body, the water inlet of sand filtration tank body
Pipeline is connect with multifunction valve, and multifunction valve is installed on the top of sand filtration tank body, and pressure gauge is installed on the water inlet pipe of sand filtration tank body
On the road, electric-control system is connect with multifunction valve, pressure gauge, controller, and the water flow of controller is greater than flow of inlet water.Work as sandfiltration pot
Internal solid suspension is excessive, and when gage pressure value rises to setting value, electric-control system receives the information and feedback of pressure gauge
The concatenated controller of flowmeter is given, bypass motor-driven valve door is started, realizes the big flow backwash for being greater than flow of inlet water three to four-fold,
Backwash more thoroughly, greatly prolongs the tank body blocking period.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of sand filtration backwashing system structural schematic diagram for sewage treatment of the invention；
Fig. 2 is self priming pump component structure diagram one of the invention；
Fig. 3 is self priming pump component structure diagram two of the invention；
Fig. 4 is self priming pump component structure diagram three of the invention；
Fig. 5 is self priming pump component structure diagram four of the invention.
In figure: 1, sand filtration tank body；11, the inlet pipeline of sand filtration tank body；12, the outlet pipeline of sand filtration tank body；2, multi-functional
Valve；3, self-priming pump assembly；31, self priming pump；32, the outer silk nipple at self priming pump inlet；33, the one 90 degree of elbow；34,
First oil is twisted；35, the first ball valve；36, the 2nd 90 degree of elbow；37, the second oil is twisted；38, the outer silk screw thread at self priming pump liquid outlet
Connector；39, check-valves；310, the first threeway；311, the second ball valve；312, flowmeter；313, the second threeway；314, pressure gauge；
315, third threeway；316, controller；317, the 3rd 90 degree of elbow；318, water pump bracket.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
A kind of sand filtration backwashing system for sewage treatment, as shown in Figure 1, including sand filtration tank body 1, multifunction valve 2, automatically controlled
System, self-priming pump assembly 3, self-priming pump assembly 3 include self priming pump 31, check-valves 39, flowmeter 312, controller 316, pressure gauge
314, self priming pump 31 is connect by check-valves 39 with outlet pipeline, and flowmeter 312 is installed on outlet pipeline, and and controller
316 series connection, outlet pipeline are connect with the inlet pipeline 11 of sand filtration tank body, inlet pipeline 11 and the multifunction valve 2 of sand filtration tank body
One end connection, the other end of multifunction valve 2 are connect with the outlet pipeline 12 of sand filtration tank body, and multifunction valve 2 is installed on sand filtration tank body 1
Top, pressure gauge 314 is installed on the inlet pipeline 11 of sand filtration tank body, electric-control system and multifunction valve 2, pressure gauge 314, control
Device 316 processed connects, and the water flow of controller 316 is greater than flow of inlet water.Preferably, controller 316 is electromagnetic valve switch.It is preferred that
, the water flow of electromagnetic valve switch is greater than the three to four-fold of flow of inlet water.When solid suspension is excessive in sand filtration tank body 1, pressure
When 314 pressure value of table rises to setting value, electric-control system receives the information from pressure gauge 314 and feeds back to flowmeter 312
Controller 316 starts bypass motor-driven valve door, that is, electromagnetic valve switch, realizes the big flow backwash for being much larger than flow of inlet water.
As Figure 2-Figure 5, it is preferred that the self-priming pump assembly 3 further includes that several 90 degree of elbows, oil twist, is ball valve, straight
Pipe, threeway；Change pipeline directions by 90 degree of elbows, twisted by oil and straight tube is attached, threeway be also known as pipe fitting threeway or
Tee pipe fitting, three-way connection etc., for changing flow direction, ball valve, opening and closing element (sphere) is driven by valve rod, and around ball valve axis
The valve that line rotates, adjusting and control for fluid.Outer silk nipple the 32, the 1st at self priming pump inlet
The 33, first oil of degree elbow stubborn 35, the 2nd 90 degree of 34, first ball valve passes sequentially through straight tube connection, water inlet between elbow 36, water inlet
Second oil is installed at mouthful and twists 37, is intake from the second oil stubborn 37；Outer silk nipple 38 at self priming pump liquid outlet passes through straight
Pipe is connect with check-valves 39, and check-valves 39 refers to that opening and closing element comes for round flap and by own wt and pressure medium generation movement
A kind of valve for blocking medium to flow backwards, medium are flowed into from input end (downside), are flowed out from outlet end (upside).When inlet pressure is big
When the sum of flap weight and its flow resistance, valve is turned on, conversely, valve is then closed when medium is flow backwards.Check-valves 39,
First import of one threeway 310, the second import, the second ball valve 311, flowmeter 312, the second threeway 313 the first import successively
It is connected by straight tube, the second entrance of the second threeway 313 is equipped with pressure gauge 314, the outlet and the three or three of the second threeway 313
Logical 315 the first import connection, the outlet of third threeway 315 are connect with the inlet pipeline 11 of sand filtration tank body, and controller 316 passes through
Straight tube is connect with the second import of third threeway 315, is connected by the outlet of straight tube, the 3rd 90 degree of elbow 317 and the first threeway 310
It connects.Preferably, flowmeter 312 includes large capacity meter 312 and small flowmeter 312, and large capacity meter 312 and small flowmeter 312 are in parallel
In on outlet pipeline, large capacity meter 312 is connected with controller 316.Preferably, the self-priming pump assembly 3 further includes water pump bracket
318, water pump bracket 318 is installed on the bottom of self priming pump 31.
In one embodiment, it is preferred that sand filtration tank body 1 is glass reinforced plastic tank body.Preferably, it is equipped with inside sand filtration tank body 1
Water distributor, water distributor for arranging water in certain work area according to certain rules.Preferably, multifunction valve 2 is filtering
Valve.
The present invention provides a kind of sand filtration backwashing system for sewage treatment, including sand filtration tank body, multifunction valve, automatically controlled system
System, self priming pump, check-valves, flowmeter, controller, pressure gauge, self priming pump are connect by check-valves with outlet pipeline, flowmeter peace
It loaded on outlet pipeline, and connects with controller, outlet pipeline is connect with the inlet pipeline of sand filtration tank body, the water inlet of sand filtration tank body
Pipeline is connect with multifunction valve, and multifunction valve is installed on the top of sand filtration tank body, and pressure gauge is installed on the water inlet pipe of sand filtration tank body
On the road, electric-control system is connect with multifunction valve, pressure gauge, controller, and the water flow of controller is greater than flow of inlet water.Work as sandfiltration pot
Internal solid suspension is excessive, and when gage pressure value rises to setting value, electric-control system receives the information and feedback of pressure gauge
The concatenated controller of flowmeter is given, bypass motor-driven valve door is started, realizes the big flow backwash for being greater than flow of inlet water three to four-fold,
Backwash more thoroughly, greatly prolongs the tank body blocking period.
More than, only presently preferred embodiments of the present invention is not intended to limit the present invention in any form；All current rows
The those of ordinary skill of industry can be shown in by specification attached drawing and above and swimmingly implement the present invention；But all to be familiar with sheet special
The technical staff of industry without departing from the scope of the present invention, is made a little using disclosed above technology contents
The equivalent variations of variation, modification and evolution is equivalent embodiment of the invention；Meanwhile all substantial technologicals according to the present invention
The variation, modification and evolution etc. of any equivalent variations to the above embodiments, still fall within technical solution of the present invention
Within protection scope.
Claims (9)
1. a kind of sand filtration backwashing system for sewage treatment, it is characterised in that: including sand filtration tank body, multifunction valve, automatically controlled system
System, self priming pump, check-valves, flowmeter, controller, pressure gauge, the self priming pump are connect by the check-valves with outlet pipeline,
The flowmeter is installed on the outlet pipeline, and is connected with the controller, the outlet pipeline and the sand filtration tank body
Inlet pipeline connection, the inlet pipeline of the sand filtration tank body connect with the multifunction valve, and the multifunction valve is installed on institute
State the top of sand filtration tank body, the pressure gauge is installed on the inlet pipeline of the sand filtration tank body, the electric-control system with it is described
Multifunction valve, the pressure gauge, controller connection, the water flow of the controller are greater than flow of inlet water.
2. a kind of sand filtration backwashing system for sewage treatment as described in claim 1, it is characterised in that: further include several 90
Spend elbow, oil is twisted, ball valve, straight tube, threeway；Outer silk nipple, the one 90 degree of elbow, first at the self priming pump inlet
Oil twist, the first ball valve, the 2nd 90 degree passed sequentially through between elbow, water inlet straight tube connect, the water inlet is equipped with second
Oil is twisted；Outer silk nipple at the self priming pump liquid outlet is connect by straight tube with the check-valves, the check-valves, first
First import of threeway, the second import, the second ball valve, the flowmeter, the second threeway the first import pass sequentially through straight tube company
It connects, the second entrance of the second threeway is equipped with the pressure gauge, and the outlet of the second threeway and the first import of third threeway connect
It connects, the outlet of third threeway is connect with the inlet pipeline of the sand filtration tank body, and the controller passes through straight tube and third threeway
Second import connection, is connect by straight tube, the 3rd 90 degree of elbow with the outlet of the first threeway.
3. a kind of sand filtration backwashing system for sewage treatment as described in claim 1, it is characterised in that: the flowmeter packet
Large capacity meter and small flowmeter are included, the large capacity meter and the small flowmeter are parallel on the outlet pipeline, the big stream
Meter is connected with the controller.
4. a kind of sand filtration backwashing system for sewage treatment as described in claim 1, it is characterised in that: further include water pump branch
Frame, the water pump bracket are installed on the bottom of the self priming pump.
5. a kind of sand filtration backwashing system for sewage treatment as described in claim 1, it is characterised in that: the sand filtration tank body
For glass reinforced plastic tank body.
6. a kind of sand filtration backwashing system for sewage treatment as described in claim 1, it is characterised in that: the sand filtration tank body
Inside is equipped with water distributor.
7. a kind of sand filtration backwashing system for sewage treatment as described in claim 1, it is characterised in that: the multifunction valve
For strainer valve.
8. a kind of sand filtration backwashing system for sewage treatment as described in claim 1, it is characterised in that: the controller is
Electromagnetic valve switch.
9. a kind of sand filtration backwashing system for sewage treatment as claimed in claim 8, it is characterised in that: the solenoid valve is opened
The water flow of pass is greater than the three to four-fold of flow of inlet water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471513.3A CN110193220A (en) | 2019-05-31 | 2019-05-31 | A kind of sand filtration backwashing system for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471513.3A CN110193220A (en) | 2019-05-31 | 2019-05-31 | A kind of sand filtration backwashing system for sewage treatment |
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| Publication Number | Publication Date |
|---|---|
| CN110193220A true CN110193220A (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910471513.3A Pending CN110193220A (en) | 2019-05-31 | 2019-05-31 | A kind of sand filtration backwashing system for sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112057914A (en) * | 2020-09-04 | 2020-12-11 | 江苏海普功能材料有限公司 | Intelligent wastewater treatment equipment and treatment method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203803169U (en) * | 2014-03-21 | 2014-09-03 | 北京华清博雅环保工程有限公司 | Filter device for wastewater treatment |
| CN205461190U (en) * | 2016-01-28 | 2016-08-17 | 北京民睿鸿祥科技有限公司 | Water advanced treatment integrated device |
| CN106823502A (en) * | 2017-03-15 | 2017-06-13 | 山东问清环境科技有限公司 | A kind of automatic pump of valveless gate control rinses sand filter |
| CN210845397U (en) * | 2019-05-31 | 2020-06-26 | 优德太湖水务（苏州）有限公司 | Sand filtration backwashing system for sewage treatment |
-
2019
- 2019-05-31 CN CN201910471513.3A patent/CN110193220A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203803169U (en) * | 2014-03-21 | 2014-09-03 | 北京华清博雅环保工程有限公司 | Filter device for wastewater treatment |
| CN205461190U (en) * | 2016-01-28 | 2016-08-17 | 北京民睿鸿祥科技有限公司 | Water advanced treatment integrated device |
| CN106823502A (en) * | 2017-03-15 | 2017-06-13 | 山东问清环境科技有限公司 | A kind of automatic pump of valveless gate control rinses sand filter |
| CN210845397U (en) * | 2019-05-31 | 2020-06-26 | 优德太湖水务（苏州）有限公司 | Sand filtration backwashing system for sewage treatment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112057914A (en) * | 2020-09-04 | 2020-12-11 | 江苏海普功能材料有限公司 | Intelligent wastewater treatment equipment and treatment method |
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