CN109052701A - A kind of construction site sewage-treatment plant and processing method - Google Patents
A kind of construction site sewage-treatment plant and processing method Download PDFInfo
- Publication number
- CN109052701A CN109052701A CN201811173566.9A CN201811173566A CN109052701A CN 109052701 A CN109052701 A CN 109052701A CN 201811173566 A CN201811173566 A CN 201811173566A CN 109052701 A CN109052701 A CN 109052701A
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- Prior art keywords
- sewage
- water
- filter
- pool
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 90
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000003672 processing method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 126
- 238000001914 filtration Methods 0.000 claims abstract description 80
- 238000011001 backwashing Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims 6
- 238000005086 pumping Methods 0.000 claims 1
- 238000005119 centrifugation Methods 0.000 abstract description 20
- 239000003651 drinking water Substances 0.000 abstract description 8
- 235000020188 drinking water Nutrition 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 4
- 238000013016 damping Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010782 bulky waste Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of construction site sewage-treatment plant and processing methods, including centrifugation systems and filtration system, centrifugation systems to be connected with cesspool, and filtration system is connected with water purifying tank, is connected between centrifugation systems and filtration system by buffer pool；Wherein, centrifugation systems include suction pump and centrifuge, and suction pump connects cesspool by drinking-water pipe；Filtration system includes filtered water inlet end and filtering water outlet, and the water inlet at filtered water inlet end is connected with buffer pool, and the water outlet for filtering water outlet is connected by drainpipe with the water purifying tank；Backwashing device is equipped in filtration system, backwashing device includes valve and return pipe, and one end of return pipe is arranged at the filtering front position in filtered water inlet end, and the other end is connected with the cesspool, there are two the valves, is separately positioned on filtering water outlet and return pipe.The problem of present invention efficiently solves traditional architecture site construction waste water treatmentntrol difficult, and water utilization rate is low, and sewage direct emission pollutes environment.
Description
Technical field
The invention belongs to construction field of environment protection, in particular to a kind of construction site sewage-treatment plant and processing
Method.
Background technique
With the rapid development of Chinese Urbanization, building trade also brings a large amount of pollution while flourishing, closely
The it is proposed of several years green building theories, many pollution problems have obtained certain improvement.But the processing of construction site sewage is long
The case where phase is in a kind of ignored or pays little attention to, mostly far from city centralization sewage treatment plant, building site is dirty in construction site
Water only passes through simple process direct emission mostly, and water utilization rate is low, and very big pollution is also caused to public environment.
The construction sewage in construction site mainly includes foundation pit water, concrete casting, concrete curing, vehicle rinsing etc., dirt
Water is more scattered, inconvenient wastewater reuse approach.It is limited by construction nature and place, current existing sewage treatment
System, or structure is complicated, treatment process surplus, or needs large area precipitating place and for a long time precipitating standing or with high costs
Cost of investment is big, is not appropriate for construction site construction sewage treatment.Therefore, the current water pollution problems of building trade is faced, it is anxious
Need a kind of economical and practical, reliable and stable, easy sewage-treatment plant and processing method suitable for construction site.
Summary of the invention
The technical problem to be solved by the present invention is a kind of construction site sewage-treatment plant and processing method are provided, with solution
Certainly traditional architecture site construction waste water treatmentntrol difficult, energy consumption are big, and water utilization rate is low, and sewage direct emission pollutes the skill of environment
Art problem.
The technical scheme is that a kind of construction site sewage-treatment plant, including centrifugation systems and filtration system, institute
Centrifugation systems are stated to be connected with cesspool, for extracting the sewage in the cesspool and carrying out centrifugal treating, the filtration system
It is connected with water purifying tank, is connected between the centrifugation systems and the filtration system by buffer pool, by the dirt after centrifugal treating
Water is drained into after filtering in the water purifying tank；Wherein, the centrifugation systems include suction pump, centrifuge and damping base, institute
It states suction pump and the cesspool is connected by drinking-water pipe, the centrifuge is mounted in the damping base；The filtration system
Including filtered water inlet end and filtering water outlet, the water inlet at the filtered water inlet end is connected with the buffer pool, described to filter out
The water outlet of water end (W.E.) is connected by drainpipe with the water purifying tank；Backwashing device is equipped in the filtration system, it is described
Backwashing device includes valve and return pipe, and one end of return pipe is arranged at the filtering front position in filtered water inlet end, separately
One end is connected with the cesspool, and there are two the valves, is separately positioned on filtering water outlet and return pipe.
The valve of the backwashing device is electrically operated valve, and the backwashing device further includes differential pressure pickup, institute
Differential pressure pickup is stated for measuring the filtered water inlet end of the filtration system and the differential water pressures of filtering water outlet two sides, the pressure difference
The signal output port of sensor and the signal input port of controller are electrically connected, the signal output port point of the controller
It is not electrically connected with the electrically operated valve of the suction pump, centrifuge, backwashing device.
The centrifugation systems further include the liquid level sensor being arranged in the cesspool, the signal of the liquid level sensor
The signal input port of output port and the controller is electrically connected.
The centrifugation systems, filtration system, buffer pool can integrated setting on same cabinet.
The present invention also provides a kind of processing methods of construction site sewage-treatment plant, comprising the following steps:
1) building site sewage is introduced into cesspool, liquid level sensor is mounted in cesspool, for detecting in cesspool
Drinking-water pipe and return pipe are connected, wherein drinking-water pipe is placed in sewage bottom of pond portion, and return pipe is placed in sewage by water level with cesspool
Drainpipe is connected by pond top with the water purifying tank on building site；
2) startup power supply, when liquid level sensor detects that the water level in cesspool is more than setting value, controller controls suction pump
Water in cesspool is evacuated in centrifuge by starting, and is started centrifuge and carried out centrifugal treating to sewage, and centrifuge will be in sewage
The sludge being centrifuged out is concentrated by sewage draining exit and is discharged, and the sewage after centrifugation is drained into buffer pool；
3) water of buffer pool enters the filtered water inlet end of filtration system, is emitted into water purification from filtering water outlet through drainpipe after filtering
Chi Zhong, when the pressure difference that differential pressure pickup detects filtered water inlet end and filters water outlet two sides is more than setting value, controller control
Electrically operated valve on return pipe processed is opened, and the electrically operated valve for controlling filtering water outlet is closed, pause filtering at this time, backwashing
Device is in running order, and the sewage for being discharged into filtration system from filtered water inlet end washes away the sludge blocked in filtration system, sewage
It is back in cesspool by return pipe；
4) after the completion of the sludge blocked in filtration system washes away, controller controls the electrically operated valve on return pipe and closes, and opens
The electrically operated valve of water outlet is filtered, backwashing device is closed at this time, and filtration system repeats sewage water filtration treatment process.
5) when in cesspool liquid level sensor detect in cesspool sewage it is low with threshold value when, controller controls sewage treatment
Device is closed.
Beneficial effects of the present invention: compared with prior art, the invention is an integrated structure, mobile, easy to operate, uses
Convenient, cheap, high degree of automation is suitable for construction site sewage treatment, efficiently solves construction site sewage treatment
The problems such as difficulty lacks sewage treatment place, and sewage treatment energy consumption is big, with high costs.And the repeatable benefit of sewage that treated
With that has saved construction site uses water cost.Backwashing device can effectively avoid the blocking of filter membrane in filtering ponds in the present invention
Problem avoids artificial dredging, improves the service life of sewage treating efficiency and filter plant.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is control structure figure of the invention；
Fig. 3 is waste water processes figure of the present invention；
In attached drawing, 1 cesspool, 2 drinking-water pipes, 3 suction pumps, 4 centrifuges, 5 buffer pools, 6 discharge outlet, 7 filtration systems, 8 filter into
Water end (W.E.), 9 filtering water outlets, 10 filter membranes, 11 return pipes, 12 electrically operated valves, 13 differential pressure pickups, 14 drainpipes, 15 water purifying tanks, 16
Liquid level sensor, 17 damping bases.
Specific embodiment
With reference to the accompanying drawing and invention is described further in specific embodiment:
Fig. 1 and Fig. 2 are please referred to, a kind of construction site sewage-treatment plant, including centrifugation systems and filtration system according to the present invention
7, centrifugation systems are connected with cesspool 1, and filtration system 7 is connected with water purifying tank 15, set between centrifugation systems and filtration system 7
There is buffer pool 5.Specifically, sewage is imported into 5 top of buffer pool by centrifugation systems, from the discharge outlet 6 of buffering bottom after buffering
It is flowed into filtration system 7.In this way, after the sewage on building site enters cesspool 1, first pumped into centrifugation systems carry out from
Heart processing flows into filtration system 7 by buffer pool 5 and completes filtering, finally enters in water purifying tank 15, completes sewage treatment, processing
Sewage afterwards can be discharged, or be used by water circulation system as water for building.
Preferably, centrifugation systems include suction pump 3 and centrifuge 4, and suction pump 3 connects cesspool 1 by drinking-water pipe 2, are taken out
Water pump 3 is used to extract the sewage in cesspool 1, and is conveyed to centrifuge 4 and carries out centrifugal treating, and centrifuge 4 includes water inlet, row
Dirty mouth and water outlet, wherein water outlet is connected with buffer pool 5.
Preferably, filtration system 7 includes filtered water inlet end 8 and filters water outlet 9, wherein the water inlet at filtered water inlet end 8
It is connected with the discharge outlet 6 of buffer pool 5, the water outlet of filtering water outlet 9 is connected by drainpipe 14 with water purifying tank 15.Filtration system
7 such as can be used the filtering of high-efficiency ceramic film, composite membrane filtering, the filtering of flat film, the filtering of cross flow type tubular membrane, can also basis
It needs to select any of filter plant.Such as Fig. 1 show plate membrane filter, 10 horizontal layout of filter membrane.
After long-play, filtration system 7 is easy because of sludge blockage, to influence filtering function.For this purpose, in filtration system
Backwashing devices are set in 7, backwashing device includes valve and return pipe 11, one end setting of return pipe 11 filter into
At filtering front position in water end (W.E.) 8, i.e., at the non-strain position in filtered water inlet end 8, the other end and 1 phase of cesspool of return pipe 11
Even, there are two valves, is separately positioned on filtering water outlet 9 and return pipe 11, the preferred electrically operated valve 12 of valve.Work as filtration system
7 after sludge blockage, can be opened electrically operated valve 12 make return pipe 11 open, and make filter 9 mouthfuls of water outlet be no longer discharged, in this way in
Between sewage will be flowed back into cesspool 1 when not filtering from filtered water inlet end 8 through return pipe 11, and can will be dirty in reflux
Mud is taken back in cesspool 1, and then can solve the sewage blockage problem of filtration system 7.
Preferably, backwashing device further includes differential pressure pickup 13, and differential pressure pickup 13 is for measuring filtration system 7
The differential water pressures at filtered water inlet end 8 and filtering 9 two sides of water outlet, the signal output port of differential pressure pickup 13 and the signal of controller
Input port electrical connection, the signal output port of controller respectively with suction pump 3, centrifuge 4, backwashing device it is electronic
Valve 12 is electrically connected, in order to realize intelligent control.
It is preferred that centrifugation systems further include the liquid level sensor 16 being arranged in cesspool 1, the letter of liquid level sensor 16
The signal input port of number output port and controller is electrically connected, liquid level sensor 16 and suction pump 3, centrifuge 4 and control
Device forms self-induction inductive switch, i.e., when liquid level sensor 16 detects that the water level in cesspool 1 is more than setting value, controller control
Water in cesspool 1 is evacuated in centrifuge 4 by the starting of suction pump 3, is entered in buffer pool 5 after 4 starting of centrifuge processing, through filtering
System 7 is emitted into water purifying tank 15 after filtering from drainpipe 14.
It specifically, is more than to set when differential pressure pickup 13 detects filtered water inlet end 8 with the pressure difference for filtering 9 two sides of water outlet
When definite value, controller controls the electrically operated valve 12 on return pipe 11 and opens, and non-filter sewage is from filtered water inlet end 8 with mistake at this time
Sludge in filter system 7 flows back into cesspool 1 from return pipe 11, when differential pressure pickup 13 detects filtered water inlet end 8 and mistake
When filtering out the pressure differences of 9 two sides of water end (W.E.) and being contracted in setting range, the electrically operated valve 12 that controller controls backwashing device is closed,
Repeat sewage water filtration treatment process.
Preferably, it is equipped with fence in 1 water inlet of cesspool, the Bulky Waste in sewage can be tentatively isolated, cesspool 1 is can
It more remodels water tank, precipitated sludge in cleaning cesspool 1 is avoided to influence sewage treatment.
Centrifugation systems, filtration system 7, the equal integrated setting of buffer pool 5 so can be achieved on same cabinet in the present apparatus
The moving operation of whole device saves the time of assembling equipment every time, reduces costs.Preferably, it is arranged below cabinet
Support frame or scroll wheel.Preferably, the influence in order to avoid centrifuge 4 to device can be used to support in bottom setting in cabinet
The damping base 17 of centrifuge 4, damping base 17 for example can be multiple damping springs, and multiple damping spring arranged for interval are simultaneously propped up
Support centrifuge 4.
Refering to Fig. 3, the processing method of the construction site sewage-treatment plant, comprising the following steps:
1) building site sewage is introduced into cesspool 1, liquid level sensor 16 is mounted in cesspool 1, for detecting cesspool 1
In water level, drinking-water pipe 2 and return pipe 11 are connected with cesspool 1, wherein drinking-water pipe 2 is placed in 1 bottom of cesspool, reflux
Pipe 11 is placed in 1 top of cesspool, and drainpipe 14 is connected with the water purifying tank 15 on building site；
2) startup power supply, when liquid level sensor 16 detects that the water level in cesspool 1 is more than setting value, controller control is drawn water
Water in cesspool 1 is evacuated in centrifuge 4 by 3 starting of pump, and is started centrifuge 4 and carried out centrifugal treating to sewage, and centrifuge 4 will
The sludge being centrifuged out in sewage is concentrated by sewage draining exit and is discharged, and the sewage after centrifugation is drained into buffer pool 5；
3) water of buffer pool 5 enters the filtered water inlet end 8 of filtration system 7, discharges after filtering from filtering water outlet 9 through drainpipe 14
Into water purifying tank 15, when the pressure difference that differential pressure pickup 13 detects filtered water inlet end 8 and filters 9 two sides of water outlet is more than setting value
When, controller controls the electrically operated valve 12 on return pipe 11 and opens, and the electrically operated valve 12 for controlling filtering water outlet 9 is closed, this
When pause filtering, backwashing device is in running order, and the sewage for being discharged into filtration system 7 from filtered water inlet end 8 washes away filtering
The sludge blocked in system 7, sewage are back in cesspool 1 by return pipe 11；
4) after the completion of the sludge blocked in filtration system 7 washes away, controller controls the electrically operated valve 12 on return pipe 11 and closes,
The electrically operated valve 12 of filtering water outlet 9 is opened, backwashing device is closed at this time, and it is processed that filtration system 7 repeats sewage water filtration
Journey.
5) when in cesspool 1 liquid level sensor 16 detect in cesspool 1 sewage it is low with threshold value when, controller controls sewage
Processing unit is closed.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811173566.9A CN109052701A (en) | 2018-10-09 | 2018-10-09 | A kind of construction site sewage-treatment plant and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811173566.9A CN109052701A (en) | 2018-10-09 | 2018-10-09 | A kind of construction site sewage-treatment plant and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109052701A true CN109052701A (en) | 2018-12-21 |
Family
ID=64764508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811173566.9A Pending CN109052701A (en) | 2018-10-09 | 2018-10-09 | A kind of construction site sewage-treatment plant and processing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109052701A (en) |
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|---|---|---|---|---|
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-
2018
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Application publication date: 20181221 |
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