CN115286142B - Building sewage treatment device - Google Patents
Building sewage treatment device Download PDFInfo
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- CN115286142B CN115286142B CN202210968806.4A CN202210968806A CN115286142B CN 115286142 B CN115286142 B CN 115286142B CN 202210968806 A CN202210968806 A CN 202210968806A CN 115286142 B CN115286142 B CN 115286142B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
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- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C02F1/763—Devices for the addition of such compounds in gaseous form
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
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- 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
- C02F2209/40—Liquid flow rate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a building sewage treatment device; through installing the cross-shaped filter plate and the flowmeter on the shell, the control unit controls the cross-shaped filter plate to rotate through the flowmeter numerical value, so that solid garbage falls into the collecting box through the gravity of the control unit, and some solid garbage attached to the surface of the cross-shaped filter plate can be flushed by water flow in the next round of filtration and falls onto the first baffle; thus, the cross-shaped filter plate can be prevented from being blocked by solid garbage, and the service life of the cross-shaped filter plate can be prolonged; the disinfection unit is arranged behind the adsorption unit, and chlorine dioxide gas is introduced into the disinfection unit to enable chlorine dioxide to react with water to generate chloric acid, so that the chloric acid has strong oxidizing property, toxic substances and pathogenic bacteria in the water can be oxidized, and a disinfection effect on sewage is achieved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a building sewage treatment device.
Background
In recent years, the environment protection is more and more important in China, namely sewage treatment; along with the continuous promotion of the industrialization process of China, the building industry of China is rapidly developed, the large and small construction sites are of a certain proportion, a large amount of building sewage is generated in the running process of the construction sites, and a large amount of solid garbage is accompanied in the building sewage, so that a special building sewage treatment device is needed to treat the building sewage.
The traditional building sewage treatment device generally adopts the filter screen to filter, adopts activated carbon to adsorb after filtering solid rubbish through the filter screen, finally discharges the water that will handle, however, traditional building sewage treatment device has a lot of problems, and specifically as follows:
1. the traditional building sewage treatment equipment often has the filtration hole in solid rubbish jam filter screen when first filtering, often needs workman's manual clear away the solid rubbish in the filter screen when this kind of condition takes place, perhaps changes new filter screen, this greatly reduced filterable efficiency.
2. When the traditional building sewage treatment device works, water is discharged to the activated carbon plate to be adsorbed after being filtered by the one-layer filter screen, the one-layer filter screen is not clean and is filtered, the water containing part of solid garbage can enable the solid garbage to be attached to the activated carbon plate when passing through the activated carbon plate, and the adsorption effect of the activated carbon plate is deteriorated and the service life is shortened.
3. When the traditional building sewage treatment device works, the sewage is discharged only through simple filtration and activated carbon adsorption, and discharged water still contains some pathogenic bacteria and toxic substances and still causes pollution to the environment.
In view of the above, in order to improve the above technical problems, the present invention provides a construction wastewater treatment apparatus, which has the following specific beneficial effects:
1. according to the invention, the cross-shaped filter plate and the flowmeter are arranged on the shell, when the flowmeter detects that the flow rate of water in the filtering unit is smaller than the preset minimum value, the solid garbage in sewage is proved to block the filtering holes in the cross-shaped filter plate, at the moment, the control unit controls the cross-shaped filter plate to rotate through chain transmission, so that one surface with the solid garbage is changed from horizontal to vertical, the solid garbage falls into the collecting box in the filtering unit through the gravity of the solid garbage, and a part of the solid garbage attached to the surface of the cross-shaped filter plate can be flushed by water flow in the next filtering round and falls into the first baffle plate along with the rotation of the first baffle plate; thus, the cross-shaped filter plate can be prevented from being blocked by solid garbage, and the service life of the cross-shaped filter plate can be prolonged.
2. According to the invention, the cross-shaped filter plates are arranged on the shell, so that whenever sewage enters the filter unit, the sewage flows through two surfaces of the cross-shaped filter plates, the sewage is filtered twice, the solid garbage in the sewage is greatly reduced, the filtering effect of the sewage treatment device is better, and the service life of the activated carbon plate is prolonged.
3. According to the invention, the disinfection unit is arranged behind the adsorption unit, and chlorine dioxide gas is introduced into the disinfection unit to enable chlorine dioxide to react with water to generate chloric acid, so that the chloric acid has strong oxidizing property, toxic substances and pathogenic bacteria in the water can be oxidized, and a disinfection effect on sewage is achieved.
Disclosure of Invention
The invention aims to solve the technical problems that: the utility model provides a building sewage treatment plant, through installing a cross filter on the casing, install a collection unit under the filter unit, can make the solid rubbish in the sewage periodically fall into the collecting box, avoid solid rubbish in the sewage to block up cross filter, improved the filter effect, increased work efficiency.
The invention provides the following technical scheme: the building sewage treatment device comprises a sewage tank, a shell, a control unit, a power unit, a pumping unit and a sewage treatment unit, wherein the sewage tank is fixed on the ground; the shell is fixedly arranged on the right side of the sewage tank; the control unit is fixedly arranged in front of the shell; the power unit is fixedly arranged below the control unit; the water pumping unit is fixedly arranged above the sewage tank; the sewage treatment unit is fixedly arranged in the shell; a filtering unit is fixedly arranged in the shell and is used for filtering out solid garbage in the sewage;
the filtering unit comprises a first rotating shaft, a cross-shaped filtering plate, a filtering motor, a first sprocket, a second sprocket, a chain and a flowmeter, wherein the first rotating shaft is rotationally connected with the shell, and the first rotating shaft is used for driving the cross-shaped filtering plate to rotate; the cross filter plate is fixedly arranged outside the first rotating shaft in a coaxial manner and is used for filtering solid garbage in sewage; the cross-shaped filter plate is adopted to periodically filter the filter holes in four different directions of the cross-shaped filter plate through rotation, so that the service life of the cross-shaped filter plate can be effectively prolonged, the replacement period of the cross-shaped filter plate can be prolonged, and a better filtering effect can be generated; the filter motor is fixedly arranged below the shell and is used for providing power for the first sprocket; the output shaft of the filter motor is coaxially and fixedly connected with a first sprocket, and the first sprocket is used for driving a second sprocket to rotate; an overload protector (not shown in the figure) is fixedly arranged between the output shaft of the filter motor and the second chain wheel, and the overload protector is used for providing overload protection for the filter unit; the outer side of the first rotating shaft is coaxially and fixedly connected with a second sprocket, and the second sprocket is used for driving the first rotating shaft to rotate; the chain is meshed with the first sprocket and the second sprocket, and the chain is used for connecting the first sprocket with the second sprocket; a flowmeter is fixedly arranged outside the shell, and is used for detecting the flow rate of water flow after passing through the cross-shaped filter plate and transmitting the flow rate to the control unit;
when the filtering unit works, sewage enters the shell from the water inlet, water flows through the cross-shaped filter plate to filter the sewage, the cross-shaped filter plate can filter solid garbage in the sewage, so that the solid garbage and silt can block the filter holes of the cross-shaped filter plate, the flow rate of the water flows can be reduced due to the blocking of the filter holes, when the flow meter detects that the flow rate of the water flow in the filtering unit is smaller than a preset minimum value A, the flow meter transmits information to the control unit, the control unit controls the filtering motor to rotate, the filtering motor drives the first sprocket to rotate, the first sprocket drives the second sprocket to rotate through a chain, the second sprocket drives the first rotating shaft to rotate, the first rotating shaft drives the cross-shaped filter plate to rotate, the rotation is stopped when the cross-shaped filter plate rotates by 90 degrees, at the moment, the solid garbage in the cross-shaped filter plate can fall into the collecting box due to gravity, and after the flow is kept for ten seconds, the next round of filtering is started;
each plate surface on the cross-shaped filter plate is uniformly provided with 5 elastic strain pieces (not shown in the figure) along the central axis, and the positions of the 5 elastic strain pieces on the plate surface of each cross-shaped filter plate are respectively A 1 、A 2 、A 3 、A 4 And A 5 The elastic strain gauge is used for detecting the deformation condition of each plate surface of the cross-shaped filter plate, when the plate surface of the cross-shaped filter plate bears a larger piece of solid garbage, the elastic strain gauge can detect that the plate surface of the cross-shaped filter plate 42 bears a force exceeding the plastic deformation of the cross-shaped filter plate 42 to generate deformation, and the deformation can influence the filtering effect (as shown by a line B in FIG. 11); therefore, the elastic strain gauge can transmit signals to the control unit when the cross-shaped filter plate is detected to deform, the control unit controls the filter unit, the collecting unit and the blocking unit to rapidly cooperate to work, the cross-shaped filter plate rotates by 90 degrees, the large solid garbage on the cross-shaped filter plate falls into the collecting unit, and meanwhile the control unit gives an alarm to remind a worker to replace the new cross-shaped filter plate in time.
Preferably, a water pumping unit is fixedly arranged on the sewage tank and is used for pumping water in the sewage tank to the filtering unit;
the water pumping unit comprises a water pumping pipe and a water pumping pump, the upper part of the sewage tank is in sealing connection with one end of the water pumping pipe, the other end of the water pumping pipe is in sealing connection with the shell, and the water pumping pipe is used for conveying sewage into the filtering unit; the water suction pump is fixed above the sewage tank and is used for providing power for the water suction unit;
when the water pumping unit works, the water pumping pump operates to pump sewage from the sewage tank to the filtering unit, when the flow meter detects that the flow velocity of the water flow in the filtering unit is smaller than the preset minimum value A, the control unit controls the water pumping pump to stop working, the water pumping unit stops pumping water, and when the filtering unit rotates for 90 degrees and stands for ten seconds, the control unit controls the water pumping pump to start working, and the water pumping unit starts pumping water.
Preferably, a collecting unit is fixedly arranged below the filtering unit, and the collecting unit is used for collecting the solid garbage filtered by the filtering unit;
the collecting unit comprises a collecting motor, a second rotating shaft, a first baffle and a collecting box, wherein the collecting motor is fixedly connected to the shell and used for providing rotating power for the second rotating shaft; the output shaft of the collecting motor is coaxially and fixedly connected with a second rotating shaft, and the second rotating shaft is used for driving the first baffle to rotate; an overload protector (not shown in the figure) is fixedly arranged between the output shaft of the collecting motor and the second rotating shaft, and the overload protector is used for providing overload protection for the collecting unit; the second rotating shaft is fixedly connected with one end of a first baffle, and the first baffle is used for isolating the filtering unit from the collecting unit when the filtering unit filters; the bottom of the shell is fixedly provided with a collecting box which is used for collecting the solid garbage filtered by the filtering unit;
when the collecting unit works, after the control unit receives a signal that the flow rate of water flow in the filtering unit is smaller than a preset minimum value A, the control unit starts to control the collecting motor to rotate, the collecting motor drives the second rotating shaft to rotate, and the second rotating shaft drives the first baffle to rotate downwards, so that solid garbage on the cross-shaped filter plate enters the collecting box; after ten seconds, the control unit controls the collection motor to rotate reversely, the collection motor rotates to drive the second rotating shaft to rotate, the second rotating shaft rotates to drive the first baffle to rotate upwards, and the rotation is stopped after the first baffle rotates by 90 degrees.
Preferably, a blocking unit is mounted on the collecting unit and is used for blocking the cross-shaped filter plate in the filtering unit;
the blocking unit comprises a switch, a blocking motor, a third rotating shaft and a second baffle, the switch is fixedly arranged in the collecting box, and the switch is used for controlling the second baffle to rotate; the blocking motor is fixedly arranged on the outer side of the shell and used for driving the third rotating shaft to rotate; the switch is electrically connected with the blocking motor, the output shaft of the blocking motor is fixedly connected with the third rotating shaft in a coaxial line manner, and the third rotating shaft is used for driving the second baffle to rotate; an overload protector (not shown in the figure) is fixedly arranged between the output shaft of the blocking motor and the third rotating shaft, and the overload protector is used for providing overload protection for the blocking unit; a second baffle is fixedly arranged on the outer side of the third rotating shaft and used for blocking the cross-shaped filter plate;
when the blocking unit works, a baffle in the collecting unit rotates downwards by 90 degrees, the switch is extruded to block the motor from rotating, the motor is blocked to drive the third rotating shaft to rotate, the third rotating shaft drives the second baffle to rotate, the second baffle is rotated to a horizontal state from a vertical state so as to be convenient for matching with the rotation of the filtering unit, after the rotation of the filtering unit is completed, garbage on the cross-shaped filtering plate falls into the dustbin, the first baffle in the collecting unit rotates upwards, the switch is not extruded at the moment, the blocking motor starts to overturn, the blocking motor drives the third rotating shaft to rotate, the third rotating shaft drives the second baffle to rotate, the second baffle is rotated to the vertical state from the horizontal state, and the second baffle is used for blocking the cross-shaped filtering plate to rotate.
Preferably, an activated carbon plate is fixedly arranged on the right side of the collecting box and is provided with an adsorption unit, and the adsorption unit is used for adsorbing particulate matters and colloid matters in water;
the adsorption unit comprises a water storage tank and a water outlet pipe, the water storage tank is fixedly connected to the water storage tank on the right side of the collecting box and used for storing filtered water, the active carbon plates are fixedly arranged in the water storage tank and are three layers and are parallel to each other, and the active carbon plates are used for adsorbing particulate matters and colloid matters in the water; the right side of the water storage tank is fixedly and hermetically connected with the water outlet pipe, and the water outlet pipe is used for connecting the adsorption unit and the disinfection unit.
Preferably, a disinfection unit is fixedly arranged on the right side of the adsorption unit and is used for removing toxic substances in the sewage;
the disinfection unit comprises a disinfection water tank, a feed pipe and a pipe cover, wherein the disinfection water tank is fixedly connected to the right side of the water outlet pipe and is used for disinfecting filtered water; a feeding pipe is fixedly arranged at the top of the disinfection water tank and used for adding disinfection gas into the disinfection water tank; and the top of the feed pipe is fixedly provided with a pipe cover which is used for preventing the sterilizing gas in the sterilizing water tank from entering the air through the feed pipe.
Preferably, grooves with the inclination angle of 45 degrees are formed in the tops of the cross-shaped filter plate and the second baffle, and the grooves are used for tightly attaching the cross-shaped filter plate to the second baffle and preventing water flow from flowing out through a connecting gap between the cross-shaped filter plate and the second baffle; the groove with the angle of 45 degrees is adopted because the groove with the angle of 45 degrees can lead the stress to be more uniform and is not easy to generate stress deformation.
Preferably, hemispherical convex blocks are fixedly arranged on the grooves of the cross-shaped filter plates, and are uniformly distributed along the center lines of the grooves; hemispherical grooves corresponding to the hemispherical protruding blocks one to one are formed in grooves of the second baffle, and the hemispherical protruding blocks are arranged to increase friction between the two grooves, so that the cross-shaped filter plate is prevented from moving due to large water flow.
Preferably, waterproof sealing rubber strips are fixedly arranged at the contact positions of the first baffle plate, the collecting box and the cross-shaped filter plates, and the sealing rubber strips are used for preventing water from penetrating into the collecting box; the waterproof sealing rubber strip is made of nitrile rubber, and the nitrile rubber is good in wear resistance and can be long in service life.
Preferably, the disinfection material of the disinfection unit adopts chlorine dioxide, and generally adopts liquid chlorine disinfection, ozone and chlorine dioxide, and liquid chlorine reacts with water to easily generate cancerogenic substances, so that the liquid chlorine is not suitable to be used as the disinfection material; ozone is high in cost and is mainly used for reclaimed water treatment; chlorine dioxide only has oxidation and no chlorination, so that no carcinogen is generally generated, and the disinfection effect of chlorine dioxide is not influenced by the pH value, so that the device is suitable for adopting chlorine dioxide as a disinfection material;
the disinfection principle is that chlorine dioxide reacts with water to generate chloric acid, and the chemical reaction equation is as follows: 2ClO 2 +H 2 O＝HClO 2 +HClO 3 Hypochlorous acid has strong oxidizing property, so that the hypochlorous acid can kill germs in water and has a disinfection effect.
The beneficial effects of the invention are as follows:
1. according to the invention, the cross-shaped filter plate and the flowmeter are arranged on the shell, when the flowmeter detects that the flow rate of water in the filtering unit is smaller than the preset minimum value, the solid garbage in sewage is proved to block the filtering holes in the cross-shaped filter plate, at the moment, the control unit controls the cross-shaped filter plate to rotate through chain transmission, so that one surface with the solid garbage is changed from horizontal to vertical, the solid garbage falls into the collecting box in the filtering unit through the gravity of the solid garbage, and a part of the solid garbage attached to the surface of the cross-shaped filter plate can be flushed by water flow in the next filtering round and falls into the first baffle plate along with the rotation of the first baffle plate; thus, the solid garbage can be prevented from blocking the cross-shaped filter plate, and the service life of the cross-shaped filter plate can be prolonged.
2. According to the invention, the cross-shaped filter plates are arranged on the shell, so that whenever sewage enters the filter unit, the sewage flows through two surfaces of the cross-shaped filter plates, the sewage is filtered twice, the solid garbage in the sewage is greatly reduced, the filtering effect of the sewage treatment device is better, and the service life of the activated carbon plate is prolonged.
3. According to the invention, the disinfection unit is arranged behind the adsorption unit, and chlorine dioxide gas is introduced into the disinfection unit to enable chlorine dioxide to react with water to generate chloric acid, so that the chloric acid has strong oxidizing property, toxic substances and pathogenic bacteria in the water can be oxidized, and a disinfection effect on sewage is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall schematic of the present invention;
FIG. 2 is a schematic diagram of the invention in operation;
FIG. 3 is a schematic overall cross-sectional view of the present invention;
FIG. 4 is a schematic diagram of a filtration unit of the present invention;
FIG. 5 is a schematic view of the structure of the collecting unit and the blocking unit of the present invention;
FIG. 6 is a schematic diagram of the barrier unit of the present invention in operation;
FIG. 7 is a schematic cross-sectional view of an adsorption unit according to the present invention;
FIG. 8 is a schematic cross-sectional view of a sterilization unit according to the present invention;
FIG. 9 is a schematic view of end portions of a cross-shaped filter plate and a second baffle plate of the present invention;
FIG. 10 is a schematic view of the seal strip installation of the present invention;
FIG. 11 is a schematic diagram of a cross-shaped filter plate according to the present invention.
In the figure: the sewage tank 1, the housing 2, the control unit 3, the filter unit 4, the first rotation shaft 41, the cross-shaped filter plate 42, the filter motor 43, the first sprocket 44, the second sprocket 45, the chain 46, the flowmeter 47, the groove 48, the hemispherical protrusion 49, the water pumping unit 5, the water pumping pipe 51, the water pumping pump 52, the collection unit 6, the collection motor 61, the second rotation shaft 62, the first baffle 63, the collection tank 64, the sealing rubber strip 65, the blocking unit 7, the switch 71, the blocking motor 72, the third rotation shaft 73, the second baffle 74, the hemispherical groove 75, the adsorption unit 8, the water storage tank 81, the activated carbon plate 82, the water outlet pipe 83, the sterilization unit 9, the sterilization water tank 91, the feed pipe 92, and the pipe cover 93.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 11, the construction sewage treatment apparatus of the present invention comprises a sewage tank 1, a housing 2, a control unit 3, a power unit, a pumping unit 5 and a sewage treatment unit, wherein the sewage tank 1 is fixed on the ground; the shell 2 is fixedly arranged on the right side of the sewage tank 1; the control unit 3 is fixedly arranged in front of the shell 2; the power unit is fixedly arranged below the control unit 3; the pumping unit 5 is fixedly arranged above the sewage tank 1; the sewage treatment unit is fixedly arranged in the shell 2; a filtering unit 4 is fixedly arranged in the shell 2, and the filtering unit 4 is used for filtering out solid garbage in sewage;
the filtering unit 4 comprises a first rotating shaft 41, a cross-shaped filtering plate 42, a filtering motor 43, a first chain wheel 44, a second chain wheel 45, a chain 46 and a flowmeter 47, wherein the first rotating shaft 41 is rotationally connected with the shell 2, and the first rotating shaft 41 is used for driving the cross-shaped filtering plate 42 to rotate; the cross-shaped filter plate 42 is fixedly arranged outside the first rotating shaft 41 in a coaxial manner, and the cross-shaped filter plate 42 is used for filtering solid garbage in sewage; the adoption of the cross-shaped filter plate 42 can periodically filter the four filter holes in different directions of the cross-shaped filter plate 42 through rotation, so that the service life of the cross-shaped filter plate 42 can be effectively prolonged, the replacement period of the cross-shaped filter plate 42 can be prolonged, and a better filtering effect can be generated; the filter motor 43 is fixedly arranged below the shell 2, and the filter motor 43 is used for providing power for a first chain wheel 44; the output shaft of the filter motor 43 is coaxially and fixedly connected with a first sprocket 44, and the first sprocket 44 is used for driving a second sprocket 45 to rotate; the outer side of the first rotating shaft 41 is coaxially and fixedly connected with a second sprocket 45, and the second sprocket 45 is used for driving the first rotating shaft 41 to rotate; an overload protector (not shown in the figure) is fixedly arranged between the output shaft of the filter motor 43 and the second sprocket 45, and the overload protector is used for providing overload protection for the filter unit; the chain 46 is meshed with the first sprocket 44 and the second sprocket 45, and the chain 46 is used for connecting the first sprocket 44 and the second sprocket 45; a flowmeter 47 is fixedly arranged outside the shell 2, the flowmeter 47 adopts an ultrasonic flowmeter, and the flowmeter 47 is used for detecting the flow rate of water flow after passing through the cross-shaped filter plate 42 and transmitting the flow rate to the control unit 3;
when the filtering unit 4 works, sewage enters the shell 2 from the water inlet, the sewage is filtered by the cross-shaped filtering plate 42, the cross-shaped filtering plate 42 can filter solid garbage in the sewage, so that the solid garbage and sludge can block the filtering holes of the cross-shaped filtering plate 42, the flow rate of the water flow can be reduced due to the blocking of the filtering holes, when the flow rate of the water flow in the filtering unit 4 is detected to be smaller than a preset minimum value A by the flow meter 47, the flow meter 47 transmits information to the control unit 3, the control unit 3 controls the filtering motor 43 to rotate, the filtering motor 43 drives the first sprocket 44 to rotate, the first sprocket 44 drives the second sprocket 45 to rotate by the chain 46, the second sprocket 45 drives the first rotating shaft 41 to rotate, the first rotating shaft 41 drives the cross-shaped filtering plate 42 to rotate, the solid garbage in the cross-shaped filtering plate 42 stops rotating when the cross-shaped filtering plate 42 rotates by 90 degrees, the solid garbage in the cross-shaped filtering plate 42 can fall into the collecting box 64 due to gravity for ten seconds, and then the next round of filtering is started;
5 elastic strain gauges (not shown) are uniformly arranged on each plate surface of the cross-shaped filter plate 42 along the central axis, and the positions of the 5 elastic strain gauges on the plate surface of each cross-shaped filter plate 42 are respectively A 1 、A 2 、A 3 、A 4 And A 5 The elastic strain gauge is used for detecting the deformation condition of each plate surface of the cross-shaped filter plate 42, when the plate surface of the cross-shaped filter plate 42 bears a larger piece of solid garbage, the elastic strain gauge can detect that the plate surface of the cross-shaped filter plate 42 bears a force exceeding the plastic deformation of the cross-shaped filter plate 42 to generate deformation, and the deformation can influence the filtering effect (as shown by a line B in FIG. 11); therefore, when the cross-shaped filter plate 42 is deformed, the elastic strain gauge can transmit signals to the control unit 3, the control unit 3 controls the filter unit 4, the collecting unit 6 and the blocking unit 7 to work in a rapid matching mode, the cross-shaped filter plate 42 rotates by 90 degrees, the large solid garbage on the cross-shaped filter plate 42 falls into the collecting unit 6, and meanwhile the control unit 3 gives an alarm to remind a worker to replace the new cross-shaped filter plate 42 in time.
When the blocking unit 7 works, when the first baffle 63 in the collecting unit 6 rotates downwards by 90 degrees, the first baffle 63 can squeeze the switch 71, the switch 71 is squeezed to start rotating by the blocking motor 72, the blocking motor 72 drives the third rotating shaft 73, the third rotating shaft 73 drives the second baffle 74 to rotate, the second baffle 74 rotates from a vertical state to a horizontal state so as to be convenient for matching with the rotation of the filtering unit 4, after the rotation of the filtering unit 4 is completed, the garbage of the cross-shaped filtering plate 42 falls into the garbage bin, the first baffle 63 in the collecting unit 6 rotates upwards, at the moment, the switch 71 is not squeezed, the control unit 3 controls the blocking motor 72 to start overturning, the blocking motor 72 drives the third rotating shaft 73 to rotate, the third rotating shaft 73 drives the second baffle 74 to rotate, the second baffle 74 rotates from the horizontal state to the vertical state, and at the moment, the second baffle 74 is used for blocking the rotation of the cross-shaped filtering plate 42.
As shown in fig. 7, as an embodiment of the present invention, an adsorption unit 8 is fixedly installed at the right side of the collecting tank 64, and the adsorption unit 8 is used for adsorbing particulate matters and colloidal matters in water;
the adsorption unit 8 comprises a water storage tank 81, an activated carbon plate 82 and a water outlet pipe 83, wherein the water storage tank 81 is fixedly connected to the right side of the collecting box 64, and the water storage tank 81 is used for storing filtered water; the active carbon plate 82 is fixedly arranged in the water storage tank 81, the active carbon plate 82 is provided with three layers and is parallel to each other, and the active carbon plate 82 is used for adsorbing particulate matters and colloid matters in water; the right side of the water storage tank 81 is fixedly and hermetically connected with the water outlet pipe 83, and the water outlet pipe 83 is used for connecting the adsorption unit 8 and the disinfection unit 9.
As shown in fig. 8, as an embodiment of the present invention, a disinfection unit 9 is fixedly installed on the right side of the adsorption unit 8, and the disinfection unit 9 is used for removing toxic substances in sewage;
the disinfection unit 9 comprises a disinfection water tank 91, a feed pipe 92 and a pipe cover 93, wherein the disinfection water tank 91 is fixedly connected to the right side of the water outlet pipe 83, and the disinfection water tank 91 is used for disinfecting filtered water; a feed pipe 92 is fixedly arranged at the top of the disinfection water tank 91, and the feed pipe 92 is used for feeding disinfection gas into the disinfection water tank 91; a pipe cover 93 is fixedly arranged at the top of the feed pipe 92, and the pipe cover 93 is used for preventing the sterilizing gas in the sterilizing water tank 91 from entering the air through the feed pipe 92.
As shown in fig. 9, as an embodiment of the present invention, the top ends of the cross-shaped filter plate 42 and the second baffle plate 74 are provided with grooves 48 with an inclination angle of 45 °, and the grooves 48 are used for tightly attaching the cross-shaped filter plate 42 and the second baffle plate 74 to prevent water flow from flowing out through a connecting gap between the two plates; the 45-degree groove 48 is adopted because the groove 48 is 45 degrees, so that the stress is more uniform, and the stress deformation is not easy to generate.
As shown in fig. 9, as an embodiment of the present invention, hemispherical protrusions 49 are fixedly installed on the groove 48 of the cross-shaped filter plate 42, and the hemispherical protrusions 49 are uniformly distributed along the center line of the groove 48; hemispherical grooves 75 corresponding to the hemispherical protrusions 49 one by one are formed in the grooves 48 of the second baffle 74, and the hemispherical protrusions 49 are arranged to increase friction between the two grooves 48, so that the cross-shaped filter plate 42 is prevented from moving due to excessive water.
As shown in fig. 10, as an embodiment of the present invention, waterproof sealing strips 65 are fixedly installed at the positions where the first baffle 63 contacts the collecting box 64 and the cross-shaped filter plates 42, and the sealing strips 65 are used for preventing water from penetrating into the collecting box 64; the waterproof sealing rubber strip 65 is made of nitrile rubber, and the nitrile rubber is good in wear resistance and can have a very long service life.
As shown in fig. 8, as an embodiment of the present invention, the sterilizing material of the sterilizing unit 9 is chlorine dioxide, and generally, the sterilizing material is liquid chlorine, ozone and chlorine dioxide, and the liquid chlorine reacts with water to easily generate carcinogens, so that the liquid chlorine is not suitable as the sterilizing material; ozone is high in cost and is mainly used for reclaimed water treatment; chlorine dioxide only has oxidation and no chlorination, so that no carcinogen is generally generated, and the disinfection effect of chlorine dioxide is not influenced by the pH value, so that the device is suitable for adopting chlorine dioxide as a disinfection material;
the disinfection principle is that chlorine dioxide reacts with water to generate chloric acid, and the chemical reaction equation is as follows: 2ClO 2 +H 2 O＝HClO 2 +HClO 3 Hypochlorous acid has strong oxidizing property, so that the hypochlorous acid can kill germs in water and has a disinfection effect.
When the sewage treatment device works, the water suction pump 52 operates to pump sewage from the water storage tank 81 to the filtering unit 4, the sewage enters the adsorption unit 8 after passing through the cross-shaped filter plate 42 of the filtering unit 4, the cross-shaped filter plate 42 filters solid garbage in the sewage, and as the solid garbage can block the filter Kong Daozhi of the cross-shaped filter plate 42, the water flow rate after the filtering unit 4 is filtered becomes small, the water suction pump 52 is controlled by the control unit 3 to stop pumping after the flow meter 47 outside the shell 2 detects that the water flow rate in the filtering unit 4 is smaller than the signal of the preset minimum value A;
after ten seconds, sewage in the filtering unit 4 completely flows into the adsorption unit 8, at this time, the control unit 3 controls the collecting motor 61 to rotate, the collecting motor 61 drives the second rotating shaft 62 to rotate, the second rotating shaft 62 rotates to drive the first baffle 63 to rotate downwards, after the first baffle 63 presses the switch 71 of the blocking unit 7, the blocking motor 72 in the blocking unit 7 starts to rotate, the blocking motor 72 drives the third rotating shaft 73 to rotate, the third rotating shaft 73 drives the second baffle 74 to rotate, the second baffle 74 rotates from a vertical state to a horizontal state, meanwhile, the control unit 3 controls the filtering motor 43 to rotate, the filtering motor 43 drives the first sprocket 44 to rotate, the first sprocket 44 drives the second sprocket 45 to rotate through the chain 46, the second sprocket 45 drives the first rotating shaft 41 to rotate, the first rotating shaft 41 drives the cross-shaped filter plate 42 to rotate, when the cross-shaped filter plate 42 rotates 90 DEG, at this time, one surface of the cross-shaped filter plate 42, on which solid garbage can drop into the collecting box 64 due to gravity, is in a vertical state; when solid waste is too large, the filtering holes in the cross-shaped filtering plate 42 are not blocked, but the cross-shaped filtering plate 42 bears the gravity larger than the bearing capacity of the cross-shaped filtering plate, at the moment, the overload protector detects that the torque of the first rotating shaft exceeds a set value and transmits information to the control unit 3, the control unit 3 controls the first baffle in the collecting unit to rotate, and meanwhile, the control unit 3 controls the second baffle to rotate, so that massive waste rapidly falls into the collecting box, and the cross-shaped filtering plate 42 is prevented from being damaged.
After ten seconds, the solid garbage basically falls off, and the solid garbage remained on the surface of the cross-shaped filter plate 42 falls off to the first baffle 63 due to the flushing of the next water flow, and falls into the collecting box 64 along with the next rotation of the first baffle 63; at this time, the control unit 3 controls the collection motor 61 to rotate reversely, the collection motor 61 drives the second rotating shaft 62 to rotate, the second rotating shaft 62 rotates to drive the first baffle 63 to rotate upwards, at this time, the switch 71 in the blocking unit 7 is not extruded any more, the blocking motor 72 starts to overturn, the blocking motor 72 drives the third rotating shaft 73 to rotate, the third rotating shaft 73 drives the second baffle 74 to rotate, the second baffle 74 rotates from a horizontal state to a vertical state, at this time, the blocking unit 7 blocks the rotation of the filtering unit and starts the next filtering; after the water filtered by the filtering unit 4 is adsorbed by the three-layer activated carbon plates 82 in the adsorption unit 8, the particulate matters and the colloid matters in the water are adsorbed, the adsorbed water enters the disinfection unit 9 through the water outlet, the staff inputs the chlorine dioxide gas into the feed inlet at regular time and quantity, and after the chlorine dioxide oxidizes the toxic matters in the water, the sewage is treated into water meeting the dischargeable standard and is discharged in the disinfection unit 9.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The building sewage treatment device comprises a sewage tank (1), a shell (2), a control unit (3), a power unit, a water pumping unit (5) and a sewage treatment unit, wherein the sewage tank (1) is fixed on the ground; the shell (2) is fixedly arranged on the right side of the sewage tank (1); the control unit (3) is fixedly arranged in front of the shell (2); the power unit is fixedly arranged below the control unit (3); the water pumping unit (5) is fixedly arranged above the sewage tank (1); the sewage treatment unit is fixedly arranged in the shell (2); the sewage treatment device is characterized in that a filtering unit (4) is fixedly arranged in the shell (2), and the filtering unit (4) is used for filtering out solid garbage and sludge in sewage;
the filtering unit (4) comprises a first rotating shaft (41), a cross-shaped filtering plate (42), a filtering motor (43), a first sprocket (44), a second sprocket (45), a chain (46) and a flowmeter (47), wherein the first rotating shaft (41) is rotationally connected with the shell (2), and the cross-shaped filtering plate (42) is fixedly arranged outside the first rotating shaft (41) in a coaxial manner; the filtering motor (43) is fixedly arranged below the shell (2), a first sprocket (44) is fixedly connected with the output shaft of the filtering motor (43) in a coaxial mode, a second sprocket (45) is fixedly connected with the outer side of the first rotating shaft (41) in a coaxial mode, the chain (46) is meshed with the first sprocket (44) and the second sprocket (45), and a flowmeter (47) is fixedly arranged outside the shell (2);
a collecting unit (6) is fixedly arranged below the filtering unit (4), and the collecting unit (6) is used for collecting solid garbage and sludge filtered by the filtering unit (4);
the collecting unit (6) comprises a collecting motor (61), a second rotating shaft (62), a first baffle (63) and a collecting box (64), wherein the collecting motor (61) is fixedly connected to the shell (2); the output shaft of the collecting motor (61) is coaxially and fixedly connected with a second rotating shaft (62); the second rotating shaft (62) is fixedly connected with one end of a first baffle (63); the bottom of the shell (2) is fixedly provided with a collecting box (64);
a blocking unit (7) is arranged on the collecting unit (6), and the blocking unit (7) is used for blocking the cross-shaped filter plate (42) in the filtering unit (4);
the blocking unit (7) comprises a switch (71), a blocking motor (72), a third rotating shaft (73) and a second baffle (74), wherein the switch (71) is fixedly installed inside the collecting box (64), the blocking motor (72) is fixedly installed outside the shell (2), the switch (71) is electrically connected with the blocking motor (72), an output shaft of the blocking motor (72) is fixedly connected with the third rotating shaft (73) in a coaxial line manner, and the second baffle (74) is fixedly installed outside the third rotating shaft (73);
when baffle (63) in collection unit (6) rotates 90 downwards, baffle (63) can extrude switch (71), switch (71) is stopped motor (72) by the extrusion and begins to rotate, stop motor (72) and drive No. three axis of rotation (73) and rotate, no. three axis of rotation (73) drive No. two baffles (74) rotate, no. two baffles (74) are rotated to the horizontality by vertical state, so that cooperation filtration unit (4) rotates, wait filtration unit (4) to rotate and accomplish the back, rubbish of cross filter (42) falls into behind the dustbin, baffle (63) in collection unit (6) upwards rotate, switch (71) are not extrudeed this moment, control unit (3) control stop motor (72) begin to overturn, stop motor (72) drive No. three axis of rotation (73), no. three axis of rotation (73) drive No. two baffles (74) rotate, no. two baffles (74) are rotated to vertical state by the horizontality at this moment, no. two baffles (74) are used for stopping cross filter (42) to rotate.
2. A construction wastewater treatment plant according to claim 1, wherein: the sewage tank (1) is fixedly provided with a water pumping unit (5), and the water pumping unit (5) is used for pumping water in the sewage tank (1) to the filtering unit (4);
the water pumping unit (5) comprises a water pumping pipe (51) and a water pumping pump (52), the upper part of the sewage tank (1) is in sealing connection with one end of the water pumping pipe (51), the other end of the water pumping pipe (51) is in sealing connection with the shell (2), and the water pumping pump (52) is fixed above the sewage tank (1).
3. A construction wastewater treatment plant according to claim 1, wherein: an adsorption unit (8) is fixedly arranged on the right side of the collecting box (64), and the adsorption unit (8) is used for adsorbing particulate matters and colloid matters in water;
the adsorption unit (8) comprises a water storage tank (81), an active carbon plate (82) and a water outlet pipe (83), wherein the water storage tank (81) is fixedly connected to the right side of the collecting box (64), the active carbon plate (82) is fixedly installed in the water storage tank (81), and the active carbon plates (82) are three-layer and parallel to each other; the right side of the water storage tank (81) is fixedly and hermetically connected with the water outlet pipe (83).
4. A construction wastewater treatment plant according to claim 3, wherein: a disinfection unit (9) is fixedly arranged on the right side of the adsorption unit (8), and the disinfection unit (9) is used for removing toxic substances in sewage;
the disinfection unit (9) comprises a disinfection water tank (91), a feed pipe (92) and a pipe cover (93), wherein the disinfection water tank (91) is fixedly connected to the right side of the water outlet pipe (83), the feed pipe (92) is fixedly installed at the top of the disinfection water tank (91), and the pipe cover (93) is fixedly installed at the top of the feed pipe (92).
5. A construction wastewater treatment plant according to claim 1, wherein: grooves (48) with an inclination angle of 45 degrees are formed in the tops of the cross-shaped filter plates (42) and the second baffle plate (74).
6. A construction wastewater treatment plant according to claim 5, wherein: hemispherical convex blocks (49) are fixedly arranged on grooves (48) of the cross-shaped filter plates (42), and the hemispherical convex blocks (49) are uniformly distributed along the center line of the grooves (48); hemispherical grooves (75) which are in one-to-one correspondence with the hemispherical protruding blocks (49) are formed in the grooves (48) of the second baffle plate (74).
7. The construction wastewater treatment apparatus according to claim 6, wherein: the first baffle (63) is fixedly provided with sealing rubber strips (65) at the contact positions of the collecting box (64) and the cross-shaped filter plates (42), and the sealing rubber strips (65) are made of nitrile rubber.
8. The construction wastewater treatment apparatus according to claim 4, wherein: the sterilizing material of the sterilizing unit (9) is chlorine dioxide.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968806.4A CN115286142B (en) | 2022-08-12 | 2022-08-12 | Building sewage treatment device |
| PCT/CN2022/113604 WO2024031739A1 (en) | 2022-08-12 | 2022-08-19 | Construction wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968806.4A CN115286142B (en) | 2022-08-12 | 2022-08-12 | Building sewage treatment device |
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| Publication Number | Publication Date |
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| CN115286142A CN115286142A (en) | 2022-11-04 |
| CN115286142B true CN115286142B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210968806.4A Active CN115286142B (en) | 2022-08-12 | 2022-08-12 | Building sewage treatment device |
Country Status (2)
| Country | Link |
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| CN (1) | CN115286142B (en) |
| WO (1) | WO2024031739A1 (en) |
Families Citing this family (3)
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| CN116022866B (en) * | 2022-12-26 | 2024-01-05 | 江苏港科环保材料有限公司 | Sewage treatment control system |
| CN117886486A (en) * | 2024-03-14 | 2024-04-16 | 陕西金河洗涤有限公司 | Sewage treatment device for washing |
| CN118022403A (en) * | 2024-04-12 | 2024-05-14 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Double-channel ecological ditch for treating low-concentration rural domestic sewage |
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Also Published As
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|---|---|
| WO2024031739A1 (en) | 2024-02-15 |
| CN115286142A (en) | 2022-11-04 |
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