Building sewage treatment plant
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a building sewage treatment device.
Background
Along with the urbanization and the acceleration of the industrialization process in China, the discharge amount of wastewater in China also increases year by year, so that the natural water body is continuously deteriorated, and the water resource pollution situation is very severe. The development of the domestic construction industry is very rapid in recent years, large-scale buildings and small-scale buildings are more and more in China, and a large amount of construction sewage needs to be treated in the construction process of the buildings. The construction sewage treatment concerns the environmental protection of China and the integral and long-term development of China, and only by adopting an effective construction sewage treatment device, the problem of sewage generated in the development process of the construction industry can be comprehensively solved, the environment is more comprehensively protected, and the survival and life quality of people is improved. Therefore, in response to the occurrence of this phenomenon, people have gradually started to treat construction sewage using sewage treatment equipment.
However, the existing sewage treatment equipment has many problems: 1) the equipment has a complex structure and a large volume, occupies a large amount of space and building use space, is very inconvenient for workers to work on, wastes working time and has low working efficiency; 2) the device can influence the filtration at the in-process bold rubbish of carrying out filtration for the first time, and bold rubbish filters thoroughly, and bold rubbish can accumulate one, influences the filtration, and the mode of driving is manual cleaning, and cleaning efficiency is slow, and very hard.
Therefore, how to provide a construction sewage treatment device with simple structure and small volume, which can improve the filtration efficiency and the filtration effect is one of the technical problems to be solved urgently in the field.
Disclosure of Invention
In view of the above, the present invention provides a building sewage treatment device, which aims to solve the above-mentioned disadvantages.
In order to solve the technical problems, the invention adopts the following technical scheme:
a construction sewage treatment device comprising: a box body; the top end and the lower end of the box body are respectively provided with a water inlet pipe and a water outlet pipe; a first filter screen is arranged at the upper end in the box body; a push plate is slidably arranged at the top end of the first filter screen; an automatic telescopic mechanism is arranged on the outer wall of the box body; the telescopic end of the automatic telescopic mechanism is fixedly connected to one side of the push plate; the bottom end of the first filter screen is provided with a secondary filter box; the top end opening of the secondary filter box is matched with the first filter screen; a plurality of screen openings are uniformly distributed at the upper end of the secondary filter box; the lower end in the box body is provided with a plurality of layers of activated carbon filter plates; the uppermost activated carbon filter plate is positioned below the sieve opening at the bottommost end; a material guide plate is arranged on the outer wall of the box body; the top end of the material guide plate is connected with the first filter screen, and a collecting box is arranged below the material guide plate.
The beneficial effect of this technical scheme is: firstly, building sewage is led into the interior of a box body through a water inlet pipe, then the building sewage is primarily filtered through a first filter screen, solid garbage in the building sewage is retained on the first filter screen, the solid garbage is accumulated to a certain degree, the push plate can be driven by an automatic stretching machine mechanism to push the solid garbage to a material guide plate at any time, finally the solid garbage falls into a collecting box to finish cleaning and collecting of the solid garbage, the sewage enters a secondary filter box through the first filter screen, secondary filtration is carried out on the sewage entering the secondary filter box through a screen opening at the upper end of the secondary filter box to retain the residual solid garbage, sludge and the like in the sewage, finally the sewage after secondary filtration enters the interior of the box body, the sewage after layer by layer filtration of a plurality of layers of activated carbon filter plates is collected to the bottom of the box body and is discharged through a water discharge pipe to finish purification treatment of the building sewage, and the whole building sewage treatment device has a simple structure, the simple operation, it is little to take up an area of, filters many times building sewage, and the filter effect is good, can in time clear up solid rubbish simultaneously, avoids solid rubbish to block up first filter screen, improves filtration efficiency.
Preferably, a plurality of through holes are uniformly distributed on the push plate.
The beneficial effect of this technical scheme is: through setting up the through-hole can cross the water and hold back solid waste, guarantee when carrying out solid waste clearance, the sewage that the continuous flow goes into the box body can flow in secondary filter case through the through-hole, rather than in being directly pushed the collecting box by the push pedal, guarantee sewage treatment quality.
Preferably, the first filter screen is arranged in an upward inclined manner.
Preferably, an inverted V-shaped transition plate is arranged between the first filter screen and the material guide plate; and the water inlet of the water inlet pipe is positioned above the upward inclined side of the transition plate.
The beneficial effects of the above technical scheme are: set up first filter screen into tilt up and set up the style of calligraphy of falling V and cross the cab apron, not only can avoid building sewage directly to arrange in the collecting box and lead to sewage to filter thoroughly by furthest, can lead to solid waste when cleaing away solid waste moreover for solid waste clearance speed.
Preferably, the upper end of one side of the push plate, which is close to the water inlet pipe, is provided with an inductor.
The beneficial effect of this technical scheme is: through the position of inductor response building sewage on first filter screen, when it reachd preset position only, the sensor senses the signal and gives the controller for, and the automatic quick-witted mechanism that stretches out and draws back of control starts, and the automatic push pedal that drives stretches out and draws back, realizes the automatic clearance of solid rubbish.
Preferably, the material guide plate is a magnetic suction plate.
The beneficial effect of this technical scheme is: and adsorbing metal articles in the solid garbage to complete the separation of the metal articles.
Preferably, the device also comprises a sewage circulating device; the sewage circulating device comprises a circulating water pipe, a water pump and a second filter screen; one end of the circulating water pipe is communicated with the lower end of the secondary filter box, and the other end of the circulating water pipe is communicated with the middle upper end of the box body; the second filter screen is arranged at the joint of the circulating water pipe and the secondary filter tank; the water pump is arranged on the circulating water pipe.
The beneficial effect of this technical scheme is: the sewage in the secondary filter box is filtered by the second filter screen and then discharged into the box body through the sewage circulating device, so that the sewage treatment speed in the secondary filter box is increased, the building sewage entering the box body is prevented from accumulating on the first filter screen, and the high-efficiency and rapid operation of the whole sewage treatment device is ensured.
Preferably, the bottom end of the secondary filter box is provided with a closing plug.
The beneficial effect of this technical scheme is: used for discharging silt, residual solid garbage and the like accumulated in the secondary filter tank.
Preferably, the secondary filter tank is in a funnel shape with a wide upper part and a narrow lower part.
Preferably, the automatic telescopic mechanism is an electric push rod.
Compared with the prior art, the invention has the following technical effects: the invention firstly carries out primary filtration on the building sewage through a first filter screen, solid garbage in the building sewage is retained on the first filter screen, the sewage enters a secondary filter tank through the first filter screen, then secondary filtration is carried out on the sewage entering the secondary filter tank through a screen opening at the upper end of the secondary filter tank and a second filter screen, residual solid garbage, sludge and the like in the sewage are retained, finally the sewage after secondary filtration enters a tank body through the screen opening and a circulating water pipe, the sewage is gathered to the bottom of the tank body after being filtered layer by layer through a plurality of layers of activated carbon filter plates and is discharged through a drain pipe, the multiple filtration and purification treatment of the building sewage is completed, the solid garbage accumulated on the first filter screen is induced through an inductor on a push plate, when the solid garbage is accumulated to a certain height, an automatic telescopic mechanism is started to drive the push plate to push the fixed garbage away from the first filter screen, in falling into the collecting box behind the stock guide, accomplish solid waste clearance and collection, avoid solid waste to block up first filter screen, improve filtration efficiency to through setting up the stock guide into taking the magnetic attraction board, can adsorb the metal object in the solid waste automatically, thereby separate metal object from fixed rubbish, whole building sewage treatment plant simple structure, the simple operation, it is little to take up an area of ground, and filter effect is good, and filtration efficiency is high.
Drawings
FIG. 1 is a schematic structural view of a construction sewage treatment apparatus according to the present invention;
in the figure: 1. a box body; 2. a water inlet pipe; 3. a drain pipe; 4. a first filter screen; 5. pushing the plate; 6. an automatic telescoping mechanism; 7. a secondary filter box; 8. a screen port; 9. a material guide plate; 10. a collection box; 11. a through hole; 12. a transition plate; 13. a sewage circulating device; 131. a circulating water pipe; 132. a water pump; 133. a second filter screen; 14. a closing plug; 15. an activated carbon filter plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, the present invention discloses a construction sewage treatment apparatus, comprising: a box body 1; a water inlet pipe 2 is arranged at the right side of the top end of the box body 1; the lower end of the box body 1 is provided with a drain pipe 3; a first filter screen 4 is arranged at the upper end in the box body 1; a push plate 5 is slidably arranged at the top end of the first filter screen 4; an automatic telescopic mechanism 6 is arranged on the outer wall of the left side of the box body 1; the telescopic end of the automatic telescopic mechanism 6 is fixedly connected to the left side of the push plate 5 and is used for pushing the push plate 5 to reciprocate on the first filter screen 4, and the push plate 5 is always positioned on the left side of the water inlet pipe 2; the bottom end of the first filter screen 4 is provided with a secondary filter box 7; the top end opening of the secondary filter box 7 is matched with the first filter screen 4; a plurality of screen openings 8 are uniformly distributed at the upper end of the secondary filter box 7; the lower end in the box body 1 is provided with 3 layers of activated carbon filter plates 15; the uppermost activated carbon filter plate 15 is positioned below the sieve opening 8 at the bottommost end; a material guide plate 9 which inclines downwards is arranged on the outer wall of the right side of the box body 1; the top end of the material guide plate 9 is connected with the first filter screen 4, and a collecting box 10 is arranged below the material guide plate.
In this embodiment, the push plate 5 has a plurality of through holes 11 uniformly distributed thereon.
In this embodiment, the first filter 4 is disposed to be inclined upward.
In the embodiment, an inverted V-shaped transition plate 12 is arranged between the first filter screen 4 and the material guide plate 9; the water inlet of the water inlet pipe 2 is positioned above the upward inclined side of the transition plate 12.
In this embodiment, the upper end of the push plate 5 near one side of the water inlet pipe is provided with an inductor.
In this embodiment, the material guiding plate 9 is a magnetic attraction plate.
In this embodiment, a sewage circulating device 13 is further included; the sewage circulating device 13 comprises a circulating water pipe 131, a water pump 132 and a second filter screen 133; one end of the circulating water pipe 131 is communicated with the lower end of the secondary filter tank 7, and the other end of the circulating water pipe is communicated with the middle upper end of the tank body 1; the second filter screen 133 is arranged at the joint of the circulating water pipe 131 and the secondary filter tank 7; the water pump 132 is provided on the circulating water pipe 131.
In this embodiment, the bottom end of the secondary filter tank 7 is provided with a closing plug 14.
In the present embodiment, the secondary filter tank 7 is a funnel shape having a wide top and a narrow bottom.
In this embodiment, the automatic retracting mechanism 6 is an electric push rod.
In this embodiment, a valve is provided in the drain pipe 3.
In other embodiments, the number of layers of the activated carbon filter plate 15 can be designed according to actual requirements.
The working principle is as follows: (1) building sewage enters the interior of the box body 1 through the water inlet pipe 2; (2) the construction sewage is filtered by the first filter screen 4, the large solid garbage is retained on the first filter screen 4, and the sewage, the residual solid garbage, the sludge and the like enter the secondary filter tank 7 through the first filter screen 4; (3) when the secondary filter tank 7 is filled with the sewage in the secondary filter tank 7, the sewage flows into the tank body 1 after being filtered by the screen opening 8 at the upper end of the secondary filter tank 7, the residual solid garbage, the sludge and the like are intercepted in the secondary filter tank 7, meanwhile, the water pump 132 is started, and the sewage in the secondary filter tank 7 is introduced into the tank body 1 after being filtered by the second filter screen 133 through the circulating water pipe 131; (4) the sewage entering the box body 1 falls onto the activated carbon filter plates 15, is filtered by the three activated carbon filter plates 15 and then is gathered at the bottom of the box body 1, and finally is discharged through the drain pipe 3; (5) building sewage height on the first filter screen 4 of inductor response on the push pedal 5, signals when reacing preset position, automatic telescopic machanism 6 starts, promotes the push pedal 5 automatically and removes, will stay solid rubbish on first filter screen 4 and push away from first filter screen 4, solid rubbish falls into the collecting box through cab apron 12 and stock guide 9, and when fixed rubbish passes through stock guide 9, the metal object in the solid rubbish is adsorbed by stock guide 9, realizes the metal object separation.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.