279results about "Settling tanks feed/discharge" patented technology

This utility model provides a sewage sedimentation device, relating to the field of sewage treatment technology. It includes a sewage sedimentation tank, with a control box installed on the left side. The control box houses a control motor, and an output gear is fixedly mounted on the output shaft of the control motor. A transmission belt is mounted on the surface of the output gear. A limit frame is fixedly installed on the inner left wall of the sewage sedimentation tank, and a transmission screw is installed inside the limit frame. A transmission gear is fixedly mounted on the left end of the transmission screw, and a movable slider is mounted on the surface of the transmission screw. This utility model utilizes the rotation of the control motor to move a cleaning plate to the right. As the cleaning plate moves, a contact block adheres to the bottom end of a trapezoidal stop and moves to the right accordingly. During this movement, the contact block is squeezed by the trapezoidal stop, ensuring that the cleaning plate remains in contact with the top inclined surface of the trapezoidal guide plate, cleaning impurities from the top inclined surface of the trapezoidal guide plate into a collection box.

A method and apparatus for treating wastewater using a sequencing batch reactor wherein the biological solids are densified through hydraulic and organic selection pressures. Wastewater is introduced to the reactor near the end of the treatment cycle under anaerobic conditions following the effluent withdrawal step and prior to the start of next treatment cycle. A floating sludge withdrawal apparatus is used in conjunction with a floating surface mixer to selectively remove lighter flocculant solids and retain denser solids by temporarily reducing the mixing energy during the wasting process.

This utility model relates to the field of wetland treatment and discloses a flocculation and sedimentation device for wetland treatment, including a flocculation box. A water inlet is fixedly connected to the left side of the top of the flocculation box, and a dosing tank is fixedly installed on the right side of the top of the flocculation box. A delivery pipe is fixedly connected to the bottom of the dosing tank. A protective cover is fixedly connected to the middle position of the top of the flocculation box. A first motor is fixedly installed on the right side of the top of the protective cover, and a second motor is fixedly installed on the left side of the top of the protective cover. This flocculation and sedimentation device for wetland treatment drives a first stirring shaft and a second stirring shaft to rotate via the first and second motors, respectively. The first stirring blades on the outside of the first stirring shaft are located near the bottom of the box. Slow and uniform stirring during mixing prevents the flocs from being broken up. The second motor drives the second stirring shaft to rotate rapidly, improving the mixing efficiency of the flocculant and wastewater. This structure improves flocculation efficiency through segmented stirring and solves the problem of inconvenient segmented stirring.

The present disclosure relates to a process and an equipment for the clarification of syrup. The process for the clarification of the syrup is simple, efficient and requires less retention / processing time. The process for the clarification of the syrup is flexible, reduces capital cost and operating costs, increases productivity, yields consistent product quality and can be easily scaled up. The equipment of the present disclosure has a simple and compact design and requires a small footprint area and a low capital cost.

This invention relates to the field of sludge suction technology, specifically a bridge-type sludge scraping and suction device and method. The device includes a sedimentation tank, a sludge collection tank, and a controller. A movable cross bridge is installed at the top of the sedimentation tank, and hangers are uniformly fixedly connected to the bottom of the cross bridge. Sludge scraping blocks are fixedly connected to the bottom of each hanger. Auxiliary plates are fixedly connected to the inner wall of the top of the suction chamber. Spraying mechanisms for dispersing sludge are installed at both ends of each sludge scraping block. A sludge suction mechanism for suctioning sludge is installed in the middle of the hangers and sludge scraping blocks. Auxiliary mechanisms for assisting sludge movement are installed at both ends of each sludge scraping block. This device not only automatically performs sludge suction but also cleans sludge more comprehensively, improving cleaning efficiency and preventing incomplete cleaning that could lead to sludge remaining in the sedimentation tank. It also reduces the user's workload and provides significant convenience for sludge removal work.

This utility model discloses a sedimentation device for wastewater treatment, including a sedimentation frame. A support plate is fixedly connected to one side of the sedimentation frame, and a second motor is fixedly connected to the top of the support plate. The output shaft of the second motor is fixedly connected to a lead screw via a coupling. A movable block is movably connected to the outer wall of the lead screw, and a bracket is fixedly connected to the top of the movable block. This device solves the problem of inconvenient sediment removal in current wastewater treatment sedimentation devices. By incorporating a sedimentation frame, a long support plate, a top plate, a bracket, a movable block, a second motor, a lead screw, and a filter frame, after the wastewater has undergone sedimentation and purification, the sediment can be removed and cleaned by raising the position of the filter frame. This facilitates subsequent cleaning of the sedimentation device's interior and prevents clogging, ensuring the continued use of the sedimentation device and providing greater convenience for users.

This invention discloses a multi-stage dosing device and method for a concentrated liquid flocculation tank, relating to the technical field of dosing equipment. It includes: a fixed frame, disposed on the top of the tank, with a track rod fixedly connected to the end of the fixed frame, and a housing slidably connected to the track rod; a ring-shaped airbag fixedly connected to the top edge of the housing; a dosing device, arranged in a circumferential array on the housing, comprising: a ring pipe, with a delivery pipe circumferentially connected to the ring pipe, one end of the delivery pipe connected to the ring pipe and the other end fixedly connected to the housing and extending into the tank; an inlet device for supplying the drug solution to the ring pipe; and a slow-release device, arranged in a circumferential array on the housing, with an opening and closing device on the housing for adjusting the drug output of the slow-release device.

This invention discloses a wastewater treatment tank with improved sludge scraping efficiency, comprising a tank body and an inlet cover at the top of the tank body. The tank body is equipped with a wall scraping device and a bottom scraping device. The wall scraping device includes a drive pipe on the inner wall of the tank, a scraping pipe on the outer wall of the drive pipe, and multiple scraping components at the bottom of the inlet cover. The bottom scraping device includes a sludge plate connected to the inner wall of the tank, a lifting plate at the bottom of the sludge plate, a sludge separating frame at the top of the lifting plate, a lifting and rotating component at the bottom, a sludge-dispensing component on the lifting and rotating component, multiple sludge dilution components on the outer wall of the tank, and multiple suction components. When cleaning the sludge at the bottom of the tank, the lifting plate moves downwards, and the sludge separating frame moves some of the sludge downwards. The lifting and rotating component drives the sludge-dispensing component to rotate, thereby dispensing the sludge from the sludge plate and the lifting plate to the suction components. This invention provides a wastewater treatment tank that facilitates efficient discharge of sludge from the inner wall.

This invention discloses an automatic crystal slurry recovery device, comprising a reaction tank, a sedimentation tank, a sedimentator, an air-lift crystal removal system, and a control system. The air-lift crystal removal system includes an air-lift pipe and a high-pressure gas supply device. The reaction tank has inlets and outlets at its front and rear ends. The air-lift pipe is inserted into the sedimentator from top to bottom, with its lower end extending to the bottom of the sedimentator. The high-pressure gas supply device provides high-pressure gas flowing upwards to the air-lift pipe. The upper end of the air-lift pipe is connected to a crystal collection device. The mixed liquid from the crystallization reaction in the reaction tank can enter the sedimentator through the inlet. The air-lift pipe can negatively adsorb and discharge large crystal particles deposited at the bottom of the sedimentator into the crystal collection device. The outlet at the rear end of the reaction tank is connected to the inlet of the sedimentation tank and sends the liquid from which large crystal particles have been removed into the sedimentation tank. The control system can control the operation of the high-pressure gas supply device. This invention avoids large crystal particles entering the sedimentation tank and avoids mechanical overload problems for the rear-end sludge scraper.

This disclosure provides an integrated sampling and sedimentation device for a biological treatment tank, a biological treatment tank, and a wastewater treatment system. The integrated sampling and sedimentation device includes a main pipeline and a valve system. The main pipeline includes a main pipe, an inlet pipe, a drain pipe, an outlet pipe, and an air inlet pipe. The inlet pipe and the drain pipe are connected to the lower end of the main pipe. The outlet pipe is connected to the upper end of the main pipe and is at least partially placed inside the main pipe. The air inlet pipe is connected to the upper end of the main pipe. The lower ends of the main pipe and the outlet pipe are below the surface of the sludge mixture, while the upper end of the main pipe is above the surface of the sludge mixture. The valve system includes an outlet valve, an air inlet valve, and a drain valve. The outlet valve is located on the outlet pipe, the air inlet valve is located on the air inlet pipe, and the drain valve is located on the drain valve. With this solution, when extracting the supernatant, the air inlet pipe pressurizes the main pipeline, and the outlet pipe discharges the supernatant, thus avoiding disturbance of the bottom sludge layer and reducing the risk of contamination.

The utility model provides a kind of resin washing's settling tank, it includes main body mechanism, it includes: settling tank, the overflow ring being set to the top of the settling tank, the overflow groove being set to the inside of the overflow ring, the overflow pipe being set to the bottom one side of the overflow ring, the storage tank being set to the bottom of the overflow pipe, the window being set to the one side of the storage tank, the motor being set to the bottom of the settling tank, the rotating block being set to the motor output end, the push plate being set to the outer wall of the rotating block, and the reinforcing piece being set to the both sides of the push plate;The utility model is when using, resin and cleaning fluid poured into the inside of settling tank overflow into the inside of overflow groove inside the inside of overflow ring, by the pipeline of the bottom one side of overflow ring into the inside of storage tank and store, recycling, after settling, motor drives the push plate of rotating block outer wall to push the settler inside the bottom of settling tank and push to discharge pipe and export.

The utility model discloses a lateral flow self-rotary eccentric inclined plate sedimentation tank relates to sewage treatment equipment field. A lateral flow self-rotary eccentric inclined plate sedimentation tank, including sedimentation tank body, eccentric rotation inclined plate area, eccentric rotation inclined plate device, water inlet structure, water outlet structure, sludge pump and sludge collecting hopper. The utility model adopts a lateral flow eccentric rotation inclined plate device, and the sludge formed by the particle in water and flocculating material can generate the rotation moment of force of the feature of uneven gravity distribution on the rotation inclined plate, and can rotate regularly, thereby successfully settling sludge without the restriction of the inclination angle, improving the sedimentation efficiency, and avoiding the occurrence of the traditional inclined plate sludge blockage phenomenon.

A thickener overflow water recycling system for high-altitude, water-scarce regions includes a thickener, a self-cleaning filter, an overflow storage tank, a flocculant addition device, and a pressure storage tank. The overflow port of the thickener is connected to the inlet of the self-cleaning filter via an overflow water pipeline. The filtered water outlet of the self-cleaning filter is connected to the overflow storage tank, the flocculant addition device, and the pressure storage tank via first, second, and third filtered water pipelines, respectively. The return water inlet of the overflow storage tank is connected to a high-level water tank via a return water pump and a return water pipeline. The outlet of the high-level water tank is connected to the beneficiation plant's return water pipeline. The water supply inlet of the overflow storage tank is connected to the thickener via a water supply pump and a thickener water supply pipeline. The outlet of the flocculant addition device is connected to the thickener via a flocculant addition pipeline. The pressure storage tank provides high-pressure shaft seal water to the underflow slurry pump. This system saves groundwater, eliminates the need for outdoor water supply pipelines, and avoids disruptions to normal operation caused by freezing and bursting of outdoor water supply pipelines.

The application discloses a cleaning system for a sedimentation tank, which comprises the sedimentation tank, a sludge discharge unit and a sedimentation device arranged in sequence from the bottom to the top of the sedimentation tank, the sedimentation device comprises a plurality of parallelly distributed inclined plates, over-flow zones and sludge sliding zones are formed between adjacent inclined plates, and a gas washing system is arranged below the sedimentation device; a supporting frame is arranged at the bottom of the sedimentation device, a plurality of flow guide plates are arranged on the supporting frame, and the gas washing system can spray gas and wash the sludge sliding zone of the sedimentation device through the flow guide of the flow guide plates. The gas washing system is combined with the flow guide plates, the gas flow is directly washed against the sludge sliding wall, the washing effect of the gas flow is obviously enhanced, the influence on the sludge settlement is reduced, the gas washing system is suitable for cleaning of sedimentation devices with various structures, various effects in the washing process can be realized, the attachments on the bottom of the sedimentation tank and the inclined plates are completely removed, and the high-efficiency sedimentation and the effective cleaning of the sedimentation tank are ensured.

The application discloses a sand-water separation device, which comprises a sedimentation mechanism and a separation mechanism. The sedimentation mechanism comprises a water tank and a water inlet pipe. The separation mechanism comprises a water tank, a shaftless screw, a lining plate and a driving element. The water tank is arranged obliquely. The lower end of the water tank is communicated with the water outlet. The lower end surface of the upper end of the water tank is provided with a sand outlet. The upper end surface of the lining plate is gap-fitted with the shaftless screw. The upper end surface of the lining plate is provided with a plurality of arc-shaped grooves. Each of the arc-shaped grooves is rotationally provided with a roller. When the roller is blocked by sand particles, the shaftless screw applies a force to the sand particles during rotation, the sand particles apply a force to the roller, the roller rotates, the sand particles are removed, the frictional resistance of the shaftless screw during rotation is reduced, and the load and energy consumption of the driving element are reduced.

This invention provides a technology that can effectively switch the destination of a solid-liquid mixture settling in a storage tank to a destination other than the designated supply destination. [Solution] In the transfer device 100, the first flow path section 51 is a path through which fluid flows between the discharge port 51A located at a first position in the storage tank 115 and the pump P. The second flow path section 52 is a path through which fluid flows from the pump P toward the downstream supply destination 120. The switching section 70 is a device that switches the flow between at least a first state and a second state. The first state is a state in which fluid is allowed to flow from the discharge port 51A to the supply destination 120 via the first flow path section 51 and the second flow path section 52, while the fluid flow from the first flow path section 51 to the inlet 54A is blocked. The second state is a state in which fluid flow from the second flow path section 52 toward the supply destination 120 is blocked, while fluid is allowed to flow from the first flow path section 51 to the inlet 54A.

The application provides a cleaning device for a radial flow sedimentation tank and a radial flow sedimentation system, which comprises a driving mechanism arranged on the sedimentation tank body; a cleaning component connected to the output end of the driving mechanism and capable of rotating along the water outlet channel to clean the inner wall of the water outlet channel; a flushing nozzle connected to the output end of the driving mechanism, wherein the water outlet of the flushing nozzle faces the inner wall of the water outlet channel; and a conveying component connected to the output end of the driving mechanism, wherein the water inlet of the conveying component is communicated with the sedimentation tank, the water outlet of the conveying component is communicated with the flushing nozzle, and the conveying component is used for pumping clean water in the sedimentation tank to the flushing nozzle. The driving mechanism, the cleaning component, the flushing nozzle and the conveying component are integrated to realize automatic mechanical cleaning and hydraulic flushing of the inner wall of the water outlet channel, so that the cleaning efficiency is greatly improved, and dirt accumulation and biofilm formation are effectively inhibited.

Device (200) for cleaning grey water containing particulate material, comprising a container (201) in turn comprising a water entry (202); a slurry exit (204); a cleansed water exit (203); and a sedimentation volume (220). The invention is characterised in that the container further comprises a flocculant provision means, arranged to add a flocculant (212) to grey water entering via the water entry, so that grey water having entered said sedimentation volume after such adding contains said flocculant, in that the flocculant provision means comprises a vertical chute (213) arranged to convey, via gravity, said grey water from an upper part of said container to be released via an open lower end (215) of the chute into said sedimentation volume at a height of at the most 1 m above a bottom (221) of said sedimentation volume, the chute having a cross-sectional area of at least 0.1 m2. The invention also relates to a method.

The present application belongs to wastewater treatment technical field, especially, relate to a kind of processing device of sulfuration black dyeing wastewater, including inner sedimentation tank and outer sedimentation tank, the inner chamber of the outer sedimentation tank is sewage cavity, the inner wall of the inner sedimentation tank and the outer surface of outer sedimentation tank are clear water cavity, the bottom wall of the outer sedimentation tank is fixedly connected with connecting sleeve.The present application is set by setting outer sedimentation tank sewage cavity, inner sedimentation tank clear water cavity and outer tube constitute U-shaped tube structure, realize the natural settlement of flocculation by the double action of hydraulic pressure and gravity, cooperate with the directional guiding effect of funnel-shaped flow guide hole, effectively avoid that flocculation has been precipitated is back washed by water flow, separate effect of flocculation and wastewater is guaranteed from structure, while the decontamination pipe of inner tube outside is set, and flocculation provides exclusive discharge passage, can realize the centralized collection and directional discharge of flocculation, avoid flocculation to accumulate in device, further improve wastewater treatment efficiency.

The utility model relates to a kind of self-starting siphon type anti-blocking sludge discharge device, sludge level meter is arranged in sedimentation tank and is located above sludge layer, siphon component includes: siphon riser and siphon downcomer, siphon riser is in sedimentation tank and is located below sludge level meter, the lower end of siphon riser is close to sludge layer, the upper end of siphon riser is through the pool wall of sedimentation tank and is communicated with the inlet on the lateral wall of external water tank, the upper end of siphon downcomer enters water tank through water tank bottom, a water seal groove is arranged in water tank, and siphon downcomer upper end is entered into it, water seal groove opening and siphon downcomer upper end are all located below liquid level line in water tank, quick-opening valve is arranged on siphon downcomer, and quick-opening valve and sludge level meter are electrically connected with controller respectively.Automatic siphon is started and stopped by sludge level change, compared with traditional electric siphon device, completely power-free automatic sludge discharge, compatible with existing sedimentation tank modification.

The application belongs to the technical field of chemical additive wastewater treatment, and is especially a multi-stage treatment device and method for chemical additive preparation wastewater, which comprises a treatment box main body, the inner wall of which is provided with a partition plate one, a partition plate two and a partition plate three from top to bottom, respectively, a water inlet cavity is formed between the partition plate one and the inner top wall of the treatment box main body, an oil scraping cavity is formed between the partition plate one and the partition plate two, a sedimentation cavity is formed between the partition plate two and the partition plate three, an oil storage cavity is formed between the partition plate three and the inner bottom wall of the treatment box main body, and a water guide pipe one is installed at the partition plate one; by arranging the partition plate one, the partition plate two and the partition plate three from top to bottom in the treatment box main body, the water inlet cavity, the oil scraping cavity, the sedimentation cavity and the oil storage cavity are formed, the chambers are clearly divided, and the water inlet, oil scraping, sedimentation and residue discharge steps are completed in turn, so that the oil stains and impurities in the wastewater are effectively separated, and the wastewater treatment effect is improved.

A fluidized bed separator (1) includes a feed section (4) between an upper separation chamber (19) and a main separation chamber (6). The feed section (4) has one or more feed pipes (11) extending horizontally and transversely with respect to a body wall (10) of the fluidized bed separator (1). The one or more feed pipes (11) are positioned completely and entirely underneath the inclined plates (17). An external oversize protection apparatus (3) which is separate from and external to the body wall (10) may be operatively coupled to the one or more feed pipes (11). One or more lamella cartridges (49) may be provided within channels (18) of the upper separation chamber (19), and one or more breakaway plates (54, 55) may be inserted within channels (18) to prevent sanding and facilitate insertion and extraction of the lamella cartridges (49).

This utility model discloses a backflushing device added to a primary sedimentation tank sludge machine, relating to the field of primary sedimentation tanks. It includes a support and lifting frame, with a stabilizing block installed on the inner surface of the support and lifting frame. Inside the stabilizing block is a stabilizing fitting mechanism that supports the through-through sludge output pipe. The stabilizing fitting mechanism includes a stabilizing plate, and the through-through sludge output pipe is correspondingly fitted and fixed inside the stabilizing plate. A sludge discharge channel is installed on the side of the support and lifting frame. With this backflushing device, when sludge suction is required, the suction pipe is directly activated to draw in sludge, allowing it to enter the discharge pipe through the through-through sludge output pipe. After passing through the discharge pipe, the sludge is transported to the discharge channel for further transport. A small amount of sludge can be efficiently absorbed again by flushing with a DN65 fire hose. This design makes sludge discharge easier, reduces the workload of refilling, and is faster, without affecting normal operation.

This utility model discloses a sedimentation tank for wastewater treatment with a scum removal structure, comprising: a sedimentation tank body; a cleaning mechanism is provided on the upper inner side of the sedimentation tank body, wherein the cleaning mechanism includes a slot, a connecting rod, and an inclined plate. The slot is opened on the inner side of the sedimentation tank body, and the slot is symmetrical about the vertical central axis of the sedimentation tank body. In this sedimentation tank for wastewater treatment with a scum removal structure, the rotating first threaded rod moves the inclined plate through the collection frame, and the moving inclined plate collects the scum floating in the sedimentation tank body into the collection frame for easy cleaning. The rotating second threaded rod moves the cleaning plate, thereby cleaning the sludge adsorbed on the inner side of the sedimentation tank body to the left side of the inner side of the sedimentation tank body, and then discharges it from the sewage outlet for easy treatment. All the stirring rods rotate, which accelerates the mixing of wastewater and treatment agent inside the sedimentation tank, thereby reducing the reaction time.

The utility model provides a kind of based on universal shaft connection's scraper and sedimentation tank main shaft transmission system, including sedimentation tank body, the outside fixed connection of sedimentation tank body has support rod, the inside movable joint of support rod has rotating shaft, the front of sedimentation tank body is provided with rotating mechanism, the rotating mechanism includes rotary gear, connecting gear, rotating rod, rotating gear and fixed gear, the front of rotating shaft is fixedly connected in the rear of rotary gear, the top of connecting gear is engaged with the bottom of rotary gear, by rotating mechanism, fixed gear drives rotary gear to rotate, rotary gear drives rotating rod to rotate, rotating rod drives connecting gear to rotate, connecting gear drives rotary gear to rotate gear, rotary gear drives rotating shaft to rotate, so that rotating shaft continues to rotate, guarantee good work efficiency, by setting rotary motor, rotary motor drives fixed gear to rotate, keep stable power output.

The present invention provides a distribution tank that can reduce the power consumption required to treat wastewater without installing a primary sedimentation tank, and can also improve the dewatering properties of the generated sludge, making it easier to reuse. [Solution] The distribution tank 100 receives the water to be treated and distributes the received water to a plurality of wastewater treatment devices 200. The distribution tank 100 comprises a sedimentation section 10 into which the water to be treated flows, a plurality of waterways 12 connecting the sedimentation section 10 to each of the plurality of wastewater treatment devices 200, and a swirling flow generation mechanism 15 located in the sedimentation section 10. The water to be treated that flows into the sedimentation section 10 forms a swirling flow in the sedimentation section 10 by the swirling flow generation mechanism 15.