54results about How to "Easy to discharge mud" patented technology

The invention discloses a sewage biochemical treatment integrated device, system and process method. The sewage biochemical treatment integrated device comprises a pond body (17), wherein an incline guide baffle plate (6) is arranged in the pond body (17), one side of the incline guide baffle plate (6) is provided with an aeration assembly (12) and a vertical gas stripping and reflowing assembly (4), an outer reflowing sludge discharging bucket/trough (13) is arranged between the aeration assembly (12) and the incline guide baffle plate (6), the other side of the incline guide baffle plate (6) is provided with a settling assembly (10) and an incline guide plate/tube (9) parallel with the incline guide baffle plate (6), a chemical spraying perforated pipe (8) is arranged above a water feeding hole of the incline guide plate/tube (9), a settled sludge discharging bucket/trough (14) is arranged below the settling assembly (10), and a movable shielding plate (16) is arranged above the settling assembly (10). The sewage biochemical treatment integrated device has the advantages of small occupation area, low energy consumption, engineering investment reduction, low operation cost and easiness in operation and management because of the combination of gas stripping and reflowing circulating denitrification and suspension cleared sediment dephosphorization.

The invention provides reinforced biological stuffing and a preparation method thereof. The reinforced biological stuffing comprises porosity base material, short-cut active carbon fibers, active carbon granules, and biological materials, wherein the short-cut active carbon fibers and the active carbon granules are stuck on the porosity base material, and biological materials are used for treatment of waste water. According to the reinforced biological stuffing prepared with the method, powder stuck on the reinforced biological stuffing can not fall off easily, water-impact resistance is good, a contact angle is small, biocompatibility is strong, the specific surface area is high, functions of microflora and nutrition slow releasing are achieved at the same time, and mud discharge is convenient.

The invention discloses a screw extrusion type sludge dewatering machine, comprising a machine base (1), a water inlet part, a sludge exit part (41), a water outlet part, a screw shaft (2) with a spiral blade (21), as well as a filter disc assembly composed of a plurality of annular static filter discs (5) and annular dynamic filter discs (6) in a cross-interval arrangement; wherein, each static filter disc (5) is fixed relatively to the machine base (1); the internal diameter of each dynamic filter disc (6) coincides with the external diameter of the blade (21) and has line contact with the blade (21); moreover, the space between two adjacent static filter discs (5) is slightly greater than the thickness of the dynamic filter disc (6) between the two adjacent static filter discs (5) so as to form a gap (7) between the static filter discs (5) and the dynamic filter disc (5); water can flow through the gap (7). Compared with the prior art, the invention enables water to directly flow out through the gaps of the filter disc assembly so as to avoid the abrasion to the static filter discs and the dynamic filter discs caused by sludge; the device has a longer service lifer and adopts only one power source to realize solid-liquid separation, so that the energy consumption is lower; besides, the components of the device are easy to install and simple in structure to facilitate actual implementation.

The invention discloses a drop-aeration self-driven biological rotating disc which comprises a shallow tank and a biological rotating disc, wherein the biological rotating disc is rotatably erected on the shallow tank; the shallow tank comprises a tank body and a waterproof baffle arranged at the upper part of the tank body; a water outlet weir is arranged on the right side of the tank body; a water outlet guidance baffle is arranged below the water outlet weir; a mud pipe is arranged at the bottom of the shallow tank; and the circumference of the biological rotating disc is divided into a plurality of water collection tanks at equal intervals by multiple separating trough plates. The biological rotating disc disclosed by the invention can be used for effectively solving a problem of poor drop-aeration effect, and realizing self-driven automatic aeration by virtue of improvement; a conventional operation mode of the biological rotating disc is changed; and the biological rotating disc not only can save energy but also can achieve a good aeration effect.

The invention provides an inclined tube floating device for waste water treatment, belonging to the technical field of environmental protection, which is characterized in that: a water inlet is communicated with a whirl mixer arranged at the front end of the device; a mud bucket is arranged on the bottom end of the device body; the device is internally provided with a perforated dredge pipe above which is mounted with a depression area; the depression area is internally provided with an inclined plate and communicated with an absorption area which is arranged at the back end of a buffer area, the absorption area is internally provided with a releasing device of air flotation microbubbles, namely, an activated ploy-oxygen aerator; a mud collecting tank is also mounted on the top end of the absorption area; a catchment area is mounted on the top end of the buffer area, and water collecting equipment is mounted in the catchment area; the upper part of a reaction area is provided with an electric scraping vehicle for removing scum generated by air flotation, and the tail part thereof is provided with an effluent tank which is internally provided with a liquid level regulator; the bottom of the liquid level regulator is provided with a drain pipe. The invention has the beneficial effects of improving treatment effect, evenly mixing medicament and waste water, saving occupied area and materials consumption, increasing air flotation effect, lowering dramatically moisture content of the scum, eliminating dead zones in sludge discharging of devices, optimizing the effluent water quality and reducing moisture content of the sludge.

The invention relates to a novel horizontal tube type sedimentation pond. The novel horizontal tube type sedimentation pond comprises an upper precipitation separation device and a lower precipitation sludge discharging device, wherein the precipitation separation device comprises horizontal tube units and sludge chutes; each horizontal tube unit comprises an inclined plate, and a plurality of separating plates which are arranged at intervals on the lower side surface of each inclined plate; each separating plate is a V-shaped plate consisting of a surface A and a surface B, and an opening of the section of each V-shaped plate is toward the corresponding inclined plate; each surface A is arranged on the side surface of the corresponding inclined plate; all surfaces A are parallel to each other; the planes of the surfaces B are parallel to or intersected with the plane of the corresponding inclined plates; all surfaces B are parallel to each other; a sludge discharging opening is left between every two adjacent separating plates on the same inclined plate. The novel horizontal tube type sedimentation pond has the advantages that the horizontal tube units comprise the inclined plates and the separating plates, so that the convenience of processing, manufacturing and mounting is ensured; channels being narrow in upper part and wide in lower part can be formed by the sludge chutes between adjacent horizontal tube units, so that the distribution condition that more sludge is at the lower part of each sludge chute and less sludge is at the upper part of each sludge chute apply is adapted, and as a result, the high efficiency of the precipitation separation device can be ensured.

The invention discloses a comprehensive environmentally-friendly multifunctional sewage treatment system. A water volume and water quality adjusting pool D can conduct primary filtering conveniently on sludge and large impurity particles, is good in filtering treatment effect, and can conduct circulating filtering treatment on sewage. A hydrolytic acidification reacting pool E can improve the mixed contact effect of microorganisms and wastewater, and the reaction effect can be stabilized; sludge discharging and feeding can be conducted conveniently; wastewater can be input quantitatively. A waste gas treatment device B can clear off hydrogen sulfide, carbon monoxide and methane without manual feeding. A/O biochemistry pool G is arranged, so that the area occupied by a device is reduced, and the sludge is convenient to recycle and utilize. An aerating device C can realize single driving and multiple purposes, reduce energy losses, and conduct sufficient aeration on sewage. A chlorine dioxide generator A can liquefy, conveniently store and transport chlorine dioxide, operation and control are convenient, and manufacturing costs are low.

A low-pressure membrane water treatment process based on a sandwich type loose floc protective layer is disclosed. An integrated type membrane coagulation reactor is adopted by the process, and mainly includes a membrane tank, a low-pressure membrane assembly arranged in the membrane tank and an aeration device arranged in the same membrane tank. The membrane tank is in series connection with a suction pump and a coagulant adding tank through a pipeline. The bottom of the membrane tank is provided with a sludge discharging valve. The coagulant is injected into the membrane tank through the coagulant adding tank through a batch-type manner so that coagulant hydrolyzed floc forms the sandwich type loose protective layer on the membrane surface. Raw water is fed into the membrane tank, treated by adsorption by the floc layer and membrane treatment, and then discharged. The process can ensure water quality of discharged water, and can effectively reduce membrane pollution at the same time, especially membrane pollution caused by low-molecular-weight organic matters. The treatment device integrating an adsorption process and a membrane process is adopted by the water treatment process, thus effectively reducing the occupied space.

The invention provides an industrial feed water treatment system which comprises a raw water adjusting tank, a mixer, a flocculoreaction tank, a settling pond, a sludge tank, a V-shaped filter and a clean water pond, wherein raw water fed outside a plant is fed into the raw water adjusting tank, lifted to the mixer through the raw water adjusting tank, sufficiently mixed with a coagulant fed by coagulant feeding equipment inside the mixer and subsequently fed into the flocculoreaction tank; a coagulant aid is fed into the flocculoreaction tank; the coagulant and the coagulant aid react with suspended solids in water in the flocculoreaction tank, and then alumen ustum which is compact and easy to deposit can be rapidly formed; effluent of the flocculoreaction tank is fed into the settling pond, then the suspended solids in the water can be deposited; the deposited sludge is fed to the sludge treatment system; effluent of the settling pond is fed into the V-shaped filter to remove the solids in the water; the V-shaped filter is filled with quartz sand and fine gravel; filtered water is fed into the cleaning water pond and is pumped to a production device. By adopting the industrial water feeding treatment system, the flocculation effect as well as the quality of the effluent is improved.

This working vehicle is provided with: a traveling wheel 4 for supporting a traveling machine body; and a cage wheel 100 removably mounted to the traveling wheel 4. The cage wheel 100 is provided withan annular rim 102 and a plurality of cage wheel lugs 105 provided to the rim 102 at appropriate intervals in the circumferential direction of the rim 102. The cage wheel lugs 105 are tilted in sideview such that the outer peripheral end 105a side is located further on the upstream side in the rotational direction during the forward movement of the traveling machine body than the inner peripheral end 105c side. The outer peripheral ends 105a of the cage wheel lugs 105 are bent toward the center of rotation of the rim 102.

The invention discloses a sewage treatment device convenient for purifying domestic wastewater, which comprises a treatment box, a connecting cylinder is arranged on the top surface of the treatment box in a penetrating manner, the connecting cylinder is fixedly connected and communicated with the treatment box, a rotating cylinder is arranged in the treatment box, a fixing ring is fixedly arranged at the top end of the rotating cylinder, and the fixing ring is rotatably connected with the connecting cylinder through a bearing; the bottom end of the rotating cylinder is fixedly provided with a conical cylinder in a communicating mode, the bottom end of the conical cylinder is fixedly provided with a fixed cylinder in a communicating mode, the bottom end of the fixed cylinder penetrates through the bottom face of the treatment box and is fixedly connected with the treatment box, the bottom face of the fixed cylinder is sealed, and a spiral shaft penetrates through the bottom face of the fixed cylinder and is rotationally connected with the fixed cylinder. The top end of the spiral shaft extends into the conical barrel, a plurality of spiral blades are evenly and fixedly arranged on the spiral shaft, and a linkage assembly is arranged between the spiral shaft and the treatment box. The sewage treatment device is simple to operate, convenient for uniform stirring operation and high in sewage separation efficiency.

The invention discloses an automatic solid impurity separation device for wastewater pretreatment. The device comprises a solid impurity cleaning mechanism, the solid impurity cleaning mechanism comprises a reservoir, a filter main body, a guide main body and a power main body, the filter main body and the reservoir are rotatably mounted together, the guide main body and the reservoir are fixedly connected together, the reservoir comprises a tank body, a separation plate and a pair of supporting legs, the separation plate is fixedly connected with the tank body, the supporting legs are fixedly connected with the tank body, the filtering main body comprises rotating seats, a filtering net, a gear ring, a first rotating shaft and a belt pulley, the first rotating shaft is rotatably connected with the tank body, a pair of rotating seats is arranged, the rotating seats are fixedly connected to the outer end of the first rotating shaft, and the filtering net isfixedly installed at the outer ends of the rotating seats. Part of silt can be automatically discharged, and the use requirement can be better met.

The invention discloses a treatment method for comprehensive sewage of smelting. The method comprises the following steps: introducing the comprehensive sewage of smelting into a wastewater regulatingtank to regulate a pH value of the sewage; then lifting the comprehensive sewage to a reduction reaction tank, adding a reducing agent, and carrying out a reduction reaction; after the reaction, introducing the comprehensive sewage into a coagulation reaction tank, adjusting the pH value of the comprehensive sewage to 7, then adding a heavy metal remover, and carrying out treatment; introducing the treated sewage into an inclined-tube sedimentation tank for flocculating settling, enabling the obtained supernatant to enter a clean water tank, and treating the obtained sludge for refining of heavy metals or other treatment; introducing the obtained supernatant into an LEC electro-catalytic oxidation device for degradation of organic pollutants, and discharging the sewage after the sewage reaches the standard. When the method is used for treating the comprehensive sewage, high efficiency and low cost are achieved, environmental protection is facilitated, and certain social benefits and economic benefits are achieved.

The invention discloses a technology for treating fracturing flow-back fluid of an oil and gas field through multi-metal catalytic oxidation, and is characterized in that the technology comprises thefollowing steps: an oxidation process: firstly, catalytic oxidation treatment is carried out on multiple metals in a fracturing fluid pretreatment workshop; a filtering process: a series of filteringsteps are carried out through air floatation, coagulation pretreatment, MBR passing and activated carbon adsorption DQS modular combined equipment; and an adsorption process, wherein precipitation separation is facilitated through the principle of the step S2, and the adsorption effect is achieved. After all the steps are completed, Fenton oxidation, flocculation, SBR and combined treatment are carried out on fracturing wastewater. According to the biological method, organic substances and toxic substances in the wastewater are degraded through the metabolic action of microorganisms; comparedwith other wastewater treatment methods, the biological method has the greatest advantage of no secondary pollution, and the fracturing flow-back fluid has high COD, so that oxidation, flocculation, filtration and other methods are generally needed for pretreatment before the biological method is used for treatment, and the biodegradability of the wastewater is improved.

The invention discloses a biological treatment device for oily sewage in an oil field. The biological treatment device comprises a biological pool body. The whole biological pool body is divided intoa plurality of rectangular zones by the treatment device, wherein each zone is provided with a movable filler frame, wherein the shape and the size of the top surface of each movable filler frame arethe same as the shape and the size of the top surface of the corresponding zone, and the height of each movable filler frame is slightly lower than a normal working liquid level of a biological pool;each movable filler frame is in the shape of a cubic frame, the lower parts of four side surfaces of each movable filler frame are provided with filler fence cross rods which are uniformly arranged atintervals in a horizontal direction; a plurality of vertical equal-height support legs are arranged on the bottom surfaces of the movable filler frames; and an independent aeration system and an independent sludge discharge pipeline are integrated onto the bottom of each movable filler frame. According to the invention, a filler frame provided by the invention is high in integration degree, and all equipment required by a biological system is integrated in one skid-mounted frame; the biological treatment device is special for an oilfield produced water treatment process, can be used independently or used in a combined manner, and is good in flexibility; and the frame is provided with side protective fences, so even if the filler falls off, the filler cannot fall into the pool, and thus, difficulty in desilting maintenance is reduced.