53results about How to "Thorough solid-liquid separation" patented technology

The invention discloses a solid and liquid separator for materials. The solid and liquid separator comprises a frame, press plates, filter plates, a push-and-pull locking mechanism, a filter cloth mechanism, a filter cloth regeneration mechanism and a cleaning mechanism which are arranged on the frame, wherein the press plates and the filter plates are arranged on the frame in a sliding way alternately, and are matched to extrude a material, so that solid and liquid of the material can be separated; the push-and-pull locking mechanism is used for locking, pushing away all the press plates and filter plates, so that solid-liquid separation operation can be performed, or the material can be discharged; the filter cloth mechanism is used for separating solid and liquid of the material when the material is extruded; the filter cloth regeneration mechanism is used for washing to regenerate the filter cloth after the material is discharged; the cleaning mechanism is used for cleaning the material attached to the separator after solid and liquid of the material are separated. The solid and liquid separator has the characteristics of reasonable design, high structure strength, convenience in operation, complete solid and liquid separation, high separation efficiency, convenience in cleaning, long service life, log maintenance frequency, high reliability, strong practicality and the like, and is beneficial for greatly increasing production benefit of enterprises.

The invention discloses a garbage classification processing device. The garbage classification processing device includes a housing, a spring, a gear and a fixed dam. The interior of the housing is provided with a solid-liquid separation chamber. The bottom of the solid-liquid separation chamber is connected with a filtrate receiver. One side of the filtrate receiver communicates with an outlet pipe. A screw rod runs through the interior of the solid-liquid separation chamber. A first motor is fixed on one end of the screw rod. The first motor is located at the outside of the housing. The garbage classification processing device is provided with a crushing box. After water separation, the garbage is put into a crushing chamber by a material handling device and crushed by a crushing roller,and then enters the solid-liquid separation chamber. The screw rod drives the garbage to move to a discharge outlet through a screw blade in the solid-liquid separation chamber, meanwhile, squeezes the garbage to extrude the water in the garbage and separate the solid from the liquid. The solid and liquid separation is carried out on the crushed garbage so as to be more complete and provide convenience for the subsequent processing.

The invention relates to a method for removing nitrogen and phosphorus in wastewater by utilizing a magnesium salt in desulfurization wastewater. The method comprises the following steps: (1) introducing desulfurization wastewater into a pre-precipitation unit, adding lime, and performing pre-precipitation treatment; (2) adding sulfide into a heavy metal advanced removal unit for advanced removalof heavy metals; (3) adding a coagulant and a coagulant aid into a coagulation precipitation unit for coagulation precipitation; (4) adding Mg(OH)2 seed crystal, NaOH and a coagulant aid are added into a magnesium removal recovery unit to remove Mg<2+> and recover a magnesium salt precipitate; and (5) adding the magnesium salt precipitate recovered in the step (4) into a struvite crystallization unit in which phosphorus/ammonia nitrogen wastewater is introduced, and carrying out reaction and precipitation to remove nitrogen and phosphorus from the wastewater. Compared with the prior art, the method provided by the invention solves the difficult problem of treating desulfurization wastewater and softening sludge, realizes removal of phosphorus and nitrogen from wastewater while recovering nitrogen and phosphorus, and has practical significance of 'treating waste with waste' and recycling.

The invention discloses a medical operating room waste solid-liquid separation device, which includes a casing, wherein a first inclined plate is arranged inside the casing; the front side of the first inclined plate is fixedly connected with the front side of the inner wall of the casing; the back side of the first inclined plate is fixedly connected with the back side of the inner wall of the casing; the right side surface of the first inclined plate is fixedly connected with the right side surface of the inner wall of the casing; the left side surface of the first inclined plate is fixedlyconnected with the left side surface of the inner wall of the casing. According to the medical operating room waste solid-liquid separation device, through arranging a first filtering plate and a second filtering plate, waste is sequentially filtered by the second filtering plate and the first filtering plate before entering a net cage and performing centrifugal movement, bigger molecular particles in waste are filtered out by the second filtering plate and the first filtering plate, so that residual waste performs centrifugal movement inside the net cage to reduce deposit volume at the net meshes, thereby not only improving the solid-liquid separation effect, but also improving the working efficiency of staff as waste is avoided from being deposited at the net meshes.

The invention discloses a solid-liquid separation device for chemical materials. A first filter conveyor belt and a second filter conveyor belt are connected, in a rolling manner, with a first filterscreen and a second filter screen, respectively. Water inlets are fixedly mounted at the top end of a main body of the separation device, and above the second filter conveyor belt and the second filter screen. An auxiliary filter device includes rollers, a square filter frame and a square filter screen, wherein the rollers are mounted on the periphery of the square filtering frame in a rolling manner, and the square filtering screen is inlaid in the square filter frame. By adoption of the first filter screen, the second filter screen and the auxiliary filter device which are three stages of filtering devices, solid-liquid separation is more thorough. The five groups of the water inlets are designed to facilitate the treatment of a large amount of industrial sewage so that the solid-liquidseparation device has strong adaptability. Two sets of brush rollers are used to clean foreign matters on the filter screens so that a solid-liquid separation mechanism can work effectively and continuously for long time.

An organic waste pretreatment device is disclosed. The device includes a pedestal above which a separation tank is arranged. A mounting tank the top and bottom of which are openings is mounted in theseparation tank. A filter plate is fixedly mounted in the mounting tank. Extruding plates are slidingly mounted on two sides of the inner wall of the mounting tank, and bottoms of the two extruding plates are in contact with the top of the filter plate. Two sides of the inner wall of the separation tank are provided with sliding slots in which sliding plates are slidingly mounted. Close sides of the two sliding plates are fixedly provided with mounting plates. The mounting tank is between the two mounting plates. The device can conveniently perform solid-liquid separation on organic waste so as to facilitate subsequent treatment. The filter plate can be vibrated conveniently to accelerate separation. The waste is extruded by the two extruding plates so that solid-liquid separation is morethorough. When the separation tank vibrates, a good vibration damping effect can be achieved.

The invention relates to a decanter centrifuge, comprising a screw pusher (1), a rotating drum (2) and a motor (3), and the motor (3) is used to drive the rotating drum (2) and the screw pushing device (1) Rotate on the same axis and in the same direction at the preset speed difference. There is a cavity in the drum (2). The central axes of the screw pusher (1) and the drum (2) are the same straight line. The screw pusher (1) Part is located inside the drum (2), and the screw propeller (1) includes an integral part formed by the discharge part (4) and the liquid discharge part (5), as well as the screw blade (6), the discharge part (4) and the liquid discharge part Both parts (5) are provided with cavities, the discharge part (4) and the liquid discharge part (5) are not connected, the discharge part (4) is provided with a discharge port (7), and the liquid discharge part (5) is provided with a liquid First outlet (8) and second outlet (9) for liquid. The decanter centrifuge provided by the invention has better solid-liquid separation effect and can be used for centrifugal separation and purification of montmorillonite in the production process of high-purity montmorillonite.

The invention discloses a combined type extracting basket extracting tank which comprises a tank body and an extracting basket, wherein a tank cover is arranged on the top of the tank body, and a pneumatic rotating bottom slag outlet door is arranged at the bottom. The combined type extracting basket extracting tank is characterized in that the extracting basket comprises a basket body and a basket bottom, wherein the basket body is fixed in the tank body; the basket bottom is arranged on the door body of the pneumatic rotating bottom slag outlet door through an adjusting cylinder; and the adjusting cylinder drives the basket bottom to in contact and separation with the bottom of the basket body for extracting and discharging slag. In work, after the pneumatic rotating bottom slag outlet door at the bottom of the extracting tank is closed, the adjusting cylinder on the pneumatic rotating bottom slag outlet door acts, and the pushing rod of the adjusting cylinder is adjusted to upwards extend to push the basket bottom to cling to the bottom of the basket body, thus forming the extracting basket. After the medicament is extracted in the extracting basket, and the extracting liquid is completely drained, the pushing rod of the adjusting cylinder is contracted, and therefore the basket bottom can be fallen to be separated from the bottom of the basket body, and the basket bottom is opened along with the pneumatic rotating bottom slag outlet door, so as to discharge the dreg completely.

The invention discloses a compound centrifugal film evaporator and a method for preparing high-purity soda ash-type copper carbonate. A steam deposal chamber of the compound centrifugal film evaporator is provided with a vapor-liquid filter and a vapor-liquid separator; a tail gas collecting opening and a secondary steam recovery opening are arranged at the outer wall of the steam deposal chamber; a distributing device is arranged at the top end of an evaporation chamber; a material inlet is arranged at the outer wall of the distributing device; the secondary steam recovery opening is communicated with the material inlet through a condenser and a feeding pump orderly; a sample collector is connected to one side of a discharge valve of a taper discharge chamber; a screw feeder is connected to the other side of the discharge valve; and the screw feeder is communicated with the material inlet through the condenser and the feeding pump orderly. According to the method for preparing the high-purity soda ash-type copper carbonate by the compound centrifugal film evaporator, pure copper, liquid ammonia, and high-purity carbon dioxide are taken as materials; a copper ammonia complexation solution is firstly prepared; and then the high-purity soda ash-type copper carbonate is prepared by the compound centrifugal film evaporator. Therefore, the production cycle is shortened; the product purity is higher; the yield is higher; and the production cost is lower.

A high-effective filter press with diaphragm filter plates includes: a support, on which a top feeding pipe and a bottom feeding pipe are slidingly arranged. A row of electromagnetic valves are connected to the top feeding pipe, wherein a feeding port and a pressurized feeding port are respectively on each adjacent electromagnetic valve. A row of electromagnetic valves are connected to the bottomfeeding pipe, wherein feeding ports are connected to the electromagnetic valves on the bottom feeding pipe. The top feeding pipe and the bottom feeding pipe are respectively connected with driving apparatuses. Sliding bars are installed on the support, wherein pressurizing members and filtering members are alternately connected to the sliding bars in a sliding manner. A pressurizing member on oneend of the sliding bars is fixed to the sliding bars while an air cylinder is connected to a pressurizing member on the other end of the sliding bars. A first connector on each filtering member and asecond connector on each pressurizing member are connected to each other through a yoked connection rod. The filter press can completely separate solids and liquid, wherein a filter cake is easy to dry and strip off from a filter cloth. The filter press is large in one-time processing capacity and is free of removing the filter cake before every feeding operation. The filter press saves a large quantity of treatment time and can increase productivity of enterprises.