Efficient compound biological treatment device

The invention discloses an efficient compound biological treatment device which comprises a centrifugal blower 7, a water inlet pipe 1, a water quality improving pool 3, a mixing pool 10, a biochemical pool 17, a degassing pool 22 and a settling pool 25. The water quality improving pool 3 and the mixing pool 10 containing a water distribution plate are additionally arranged in front of the biochemical pool 17 ; the biochemical pool 17 is connected with the degassing pool 22 by a water outlet trough 29; the degassing pool 22 is connected with the settling pool 25 by a pipeline 24; the biochemical pool 17 is internally and simultaneously provided with a jet device 13, and an aeration hose 30 and an ejetor air supply valve 32 that are connected with the centrifugal blower 7; the biochemical pool 17 is internally provided with two overflowing troughs, wherein one overflowing trough is a returning trough 28 with the yielding water entering the mixing pool 10 and being connected with the feed ...

Unpowered emergency water purifier applicable to earthquake stricken areas

The invention relates to an unpowered emergency water purifier applicable to earthquake stricken areas. The unpowered emergency water purifier comprises a pressure barrel, an inflator pump, a micro-screen filter and a membrane filter, which are connected through pipelines and valves, wherein the pressure barrel is provided with an air inlet pipe and a water outlet pipe and is connected with the air inlet pipe and the water outlet pipe through a plastic top pipe; during the operating process of the pressure barrel, raw water flows into water outlet pipe and then flows out of the water outlet pipe via the bottom end opening of the water outlet pipe by virtue of differential pressure generated by the inflator pump; the micro-screen filter has a cylindrical upper part and a circular truncated cone-shaped lower part and comprises a micro-screen filter element, a back washing valve and a metal casing; the micro-screen filter element is fixed in the middle of the micro-screen filter; the micro-screen ...

Sand leach oil remover for water processing

The invention belongs to the technical field of water treatment, in particular to a sand filtration oil remover for water treatment. The sand filtration oil remover is composed of a filter and a sand washer by connection via a pipeline and a valve. A water inlet of the filter is provided with an annular perforation water distributing pipe and a guide plate, and the central position of the filter is provided with a shuttle-shaped sand guide device. The sand which is full of oil by absorption is delivered to the sand washer during the operation process of the filter. The sand washer is a rectangular structure which is hollow in the middle part, which is composed of a motor, a sleeve, an inclined plate, a steam pipe, a stirrer, a sand collecting funnel and a sand distributing funnel, the inclined plate is positioned in the middle part of the sand washer, the steam pipe is positioned below the inclined plate, the stirrer is positioned at the bottom part of the sand washer, the sleeve is positioned ...

Sand leach oil remover for water processing

The invention belongs to the technical field of water treatment, in particular to a sand filtration oil remover for water treatment. The sand filtration oil remover is composed of a filter and a sandwasher by connection via a pipeline and a valve. A water inlet of the filter is provided with an annular perforation water distributing pipe and a guide plate, and the central position of the filter is provided with a shuttle-shaped sand guide device. The sand which is full of oil by absorption is delivered to the sand washer during the operation process of the filter. The sand washer is a rectangular structure which is hollow in the middle part, which is composed of a motor, a sleeve, an inclined plate, a steam pipe, a stirrer, a sand collecting funnel and a sand distributing funnel, the inclined plate is positioned in the middle part of the sand washer, the steam pipe is positioned below the inclined plate, the stirrer is positioned at the bottom part of the sand washer, the sleeve is positioned ...

Granular sludge generation promoting device and method suitable for continuous flow reactor

The invention provides a granular sludge generation promoting device and method suitable for a continuous flow reactor, the device comprises a left side baffle and a right side baffle which are spaced, and the inner side of the left side baffle is sequentially provided with a left side guide plate and a left side folded plate from bottom to top; a right guide plate and a right folded plate are sequentially arranged on the inner side of the right baffle from bottom to top; a gap is formed between the left side guide plate and the right side guide plate, and the gap is adjusted through an adjusting mechanism so as to control the sludge settling performance; a flow adjusting baffle capable of adjusting the angle is obliquely arranged on the right side baffle, and the residence time of the mixed liquid is controlled by controlling the adjusting angle of the flow adjusting baffle. The device can be directly installed in an existing continuous flow reactor, is suitable for converting flocculated ...

Rapid analysis method of disinfection side product dibromo-acetonitrile in drinking water

A rapid analysis method of dibromo-acetonitrile comprises sample pre-treatment, instrument condition control and operation measurement. The method is specifically characterized in that in the sample pre-treatment process, adjusting the pH in a range of 4.5-5.0, using any one of ascorbic acid, sodium thiosulfate, sodium sulphite and ammonium chloride as a chlorination reaction termination agent, using any one of methyl tertiary butyl ether, ethyl acetate, normal hexane and normal pentane as an extraction agent, using a gas chromatography-mass spectrum instrument as a main instrument for detecting DBAN, controlling the sample size to be 3 microlitres, and controlling the temperature at the feeding opening at 110-130 DEG C. The analysis method of the invention improves the pre-treatment method of liquid-liquid extraction, establishes a high-efficiency extraction method, and improves recovery rate and enrichment times of the DBAN. The analysis technique can be widely applied to detection of ...

Efficient compound biological treatment device

The present invention discloses a compound biological treatment device which comprises a centrifugal blower 7, a water inlet pipe 1, a water quality improving pool 3, a mixing pool 10, a biochemical pool 17, a degassing pool 22 and a settling pool 25. The water quality improving pool 3 and the mixing pool 10 containing a water distribution plate are additionally arranged in front of the biochemical pool 17 ; the biochemical pool 17 is connected with the degassing pool 22 by a water outlet trough 29; the degassing pool 22 is connected with the settling pool 25 by a pipeline 24; the biochemical pool 17 is internally and simultaneously provided with a jet device 13, and an aeration hose 30 and a valve 32 that are connected with the centrifugal blower 7; the biochemical pool 17 is internally provided with two overflowing troughs, wherein one overflowing trough is a returning trough 28 with the yielding water entering the mixing pool 10 and being connected with the feed water; the other overflowing ...

Rapid analysis method of disinfection side product dibromo-acetonitrile in drinking water

A rapid analysis method of dibromo-acetonitrile comprises sample pre-treatment, instrument condition control and operation measurement. The method is specifically characterized in that in the sample pre-treatment process, adjusting the pH in a range of 4.5-5.0, using any one of ascorbic acid, sodium thiosulfate, sodium sulphite and ammonium chloride as a chlorination reaction termination agent, using any one of methyl tertiary butyl ether, ethyl acetate, normal hexane and normal pentane as an extraction agent, using a gas chromatography-mass spectrum instrument as a main instrument for detecting DBAN, controlling the sample size to be 3 microlitres, and controlling the temperature at the feeding opening at 110-130 DEG C. The analysis method of the invention improves the pre-treatment method of liquid-liquid extraction, establishes a high-efficiency extraction method, and improves recovery rate and enrichment times of the DBAN. The analysis technique can be widely applied to detection of ...

Continuous aerobic granular sludge enrichment reflux device and operation method thereof

The invention discloses a continuous aerobic granular sludge enrichment and reflux device and an operation method thereof.The granular sludge screening and reflux device comprises a granular sludge screening and enrichment system and a reflux system, and the granular sludge screening system is mainly composed of a cyclone separator; the sludge-water mixed liquid in the continuous flow reactor is introduced into the cyclone separator, efficient generation and screening of granular sludge can be achieved, the backflow device is composed of a hydraulic piston pump, and positive pressure and negative pressure states are alternately formed in a cavity of the hydraulic piston pump through reciprocating motion of a piston. Check valves of a sludge suction pipeline and a sludge pressing pipeline are flexibly controlled under the alternate action of positive pressure and negative pressure, and the screened granular sludge is conveyed back into the continuous flow reactor on the premise that the ...

Whole set water treatment apparatus for pure oxygen biological active carbon

The invention discloses a complete set of water treatment device for pure oxygen biological activated carbon, which comprises a pure oxygen oxidation reactor, an activated carbon filter canister and a pure oxygen source. The pure oxygen oxidation reactor comprises a water outlet slot and a jet flow aerator; the jet flow aerator is connected with a pure oxygen air delivery pipe so that the pure oxygen source can provide oxygen; the jet flow aerator extends into the inner cylinder of the oxidation reactor; one side of the water outlet slot is provided with the water outlet pipe of the oxidationreactor; and the upper part of the activated carbon filter canister is connected with the water outlet pipe of the pure oxygen oxidation reactor, and the lower part of the activated carbon filter canister is connected with a general water outlet pipe. The complete set of water treatment device adopts pure oxygen as an oxidant and increases the dissolved oxygen concentration of the pure oxygen reactor ...

Non-valve filter with double filter layers

The invention relates to the technical field of water treatment, and in particular relates to a non-valve filter with double filter layers used for water treatment. The filter comprises a water inlet pipe, a filter unit and a siphon system, wherein the water inlet pipe is located at the left upper part of the filter; a baffle is arranged at the opening of the water inlet branch pipe; homogeneous ceramsite filter material is located above a lower filter plate; an upper filter plate is located under a top cover; four clear water pipes run through the upper and lower filter plates and the filter material; a first water distribution chamber is located between the outer wall of the filter and the inner ring; a second water distribution chamber is located in an inner ring of the filter and above the filter material; a clear water chamber is located in the inner ring and under the lower filter plate; a water outlet is located at the right side of a flushing tank; the flushing tank is communicated ...

Photocatalysis aeration filter pool for water treatment

Full-automatic self-washing membrane filtration device for drinking water treatment

The invention belongs to the technical field of water treatment and in particular relates to a full-automatic self-washing membrane filtration device for drinking water treatment. A main body of the device is cylindrical, and the top of the device is arc-shaped; a clean water area is formed in the upper part; a filtration area is formed in the middle; a water inlet area is formed in the bottom; raw water is lifted by a lifting pump and introduced into a water distribution device through a water inlet pipe; a water inlet rotation joint, a wheel disc, a water outlet pipe, water distribution holes, a water outlet and a water distribution chamber are arranged in the water distribution device; the overall water distribution device is cylindrical; the wheel disc is arranged at the bottom of the water distribution device; 14 same-sized circular water distribution holes and one water outlet are uniformly formed in the cylindrical surface of the water distribution device; the wheel disc is controlled ...

Changeable grid used in water treatment reaction tank

The invention belongs to the technical field of water treatment and in particular relates to a changeable grid used in a water treatment reaction tank. The changeable grid used in the water treatment reaction tank is formed by connecting a fixed grid metal frame with a changeable plastic fragment in an embedding way; in an operational process of the grid, the changeable plastic fragment can be bent downward in different degrees when water at different flows flows through holes of the grid, so that aperture of each hole of the grid is changed, and the aims of adjusting flow velocity of the water flow and turbulence intensity are realized. The changeable grid used in the water treatment reaction tank has the advantages that the aperture size of each hole of the grid can be automatically adjusted by virtue of variation of the flow, the flow velocity of the water flow is homogenized, and hydraulic power stirring strength is stabilized, so that impact load is resisted and management and operation ...

Method for processing high-concentration wastewater containing alkaline mud

The invention discloses a method for processing wastewater containing alkaline mud with high COD concentration, high toxicity, low biodegradability and high chroma. In the invention, a micro-electrolysis pretreatment, and flocculating and decoloring process are adopted to reduce the COD concentration and chroma and improve the biodegradability, thus providing precondition for the subsequent acidified hydrolysis and aerobic treatment system to further eliminate alkaline mud contamination load; and the yielding water is deposited by a deposition pool and discharged after disinfection. In the invention, the COD concentration (80,000-300,000mg/L) and the chroma (12,500-50,000 times) of inflowing water are improved to maximum degree, stability for the running of system is considered sufficiently, a large amount of diluted water required in the running process is saved, the yielding water can be directly exhausted to urban sewage pipelines, received by waterbody or combined in other treatment ...

Filter material of biofilter and preparation method thereof

The invention belongs to the field of water treatment and particularly relates to a filter material of a biofilter and a preparation method thereof. The filter material is spherical, wherein the grain size is 1.5-2.5mm and the specific gravity is greater than 4.0. The filter material mainly comprises coal ash, iron ore power, clay, bentonite and the like which are calcined at high temperatures. The filter material is used for the biofilter. Compared with common quartz filter materials, hardening of the filtering layer can be alleviated, and the filter precision and efficiency can be improved.

Method for processing high-concentration wastewater containing alkaline mud

The invention discloses a method for processing wastewater containing alkaline mud with high COD concentration, high toxicity, low biodegradability and high chroma. In the invention, a micro-electrolysis pretreatment, and flocculating and decoloring process are adopted to reduce the COD concentration and chroma and improve the biodegradability, thus providing precondition for the subsequent acidified hydrolysis and aerobic treatment system to further eliminate alkaline mud contamination load; and the yielding water is deposited by a deposition pool and discharged after disinfection. In the invention, the COD concentration (80,000-300,000mg/L) and the chroma (12,500-50,000 times) of inflowing water are improved to maximum degree, stability for the running of system is considered sufficiently, a large amount of diluted water required in the running process is saved, the yielding water can be directly exhausted to urban sewage pipelines, received by waterbody or combined in other treatment ...

Photocatalysis aeration filter pool for water treatment

The invention pertains to the technical field of water treatment and in particular relates to a photocatalysis aerated filter that is used for water treatment, comprising a water distribution area, a reaction area and a filtering area. The water distribution area is provided with a through hole water distribution sink; the reaction area is provided with a UV light tube, a through hole aerated tube and hollow glass microsphere powder filled with titanium dioxide; the filtering area at the bottom is a quartz sand filtering layer. The device not only has high mass transfer efficiency and high utility rate of luminous energy that are possessed by floating photocatalytic reaction devices, but also can retain the hollow glass microsphere filled with titanium dioxide in the reaction area through the quartz sand filtering layer, thereby recycling the photo-catalyst. The reaction area can not only adopt air aeration as mixing motive force, but also can adopt ozone mixing to improve reaction efficiency ...

Whole set water treatment apparatus for pure oxygen biological active carbon

The invention discloses a complete set of water treatment device for pure oxygen biological activated carbon, which comprises a pure oxygen oxidation reactor, an activated carbon filter canister and a pure oxygen source. The pure oxygen oxidation reactor comprises a water outlet slot and a jet flow aerator; the jet flow aerator is connected with a pure oxygen air delivery pipe so that the pure oxygen source can provide oxygen; the jet flow aerator extends into the inner cylinder of the oxidation reactor; one side of the water outlet slot is provided with the water outlet pipe of the oxidation reactor; and the upper part of the activated carbon filter canister is connected with the water outlet pipe of the pure oxygen oxidation reactor, and the lower part of the activated carbon filter canister is connected with a general water outlet pipe. The complete set of water treatment device adopts pure oxygen as an oxidant and increases the dissolved oxygen concentration of the pure oxygen reactor ...