33results about How to "Control discharge rate" patented technology

The invention relates to the technical field of chemical equipment, and discloses a stirring device capable of adjusting the stirring degree and controlling discharging. The stirring device comprises a shell, a feeding port is formed in the top end of the shell, a stirring disc is rotatably connected to the lower portion of the feeding port in the shell, and the bottom end of the stirring disc is in transmission connection with a motor; a heating groove is fixedly formed in the surface of the stirring disc, a heating resistor strip is fixedly installed in the heating groove, a contact is installed on the surface of the heating resistor strip in a sliding mode, and a dielectric substance is fixedly installed at the end, close to the edge of the stirring disc, of the contact. According to the stirring device capable of adjusting the stirring degree and controlling discharging, stirred materials guided into the shell are preheated, stirring is conducted after the preheating temperature reaches an expected value, the stirring efficiency is improved, the stirring speed can be adjusted according to the preheating effect, the stirring efficiency is improved, and the discharging speed is adjusted according to the stirring speed of current equipment; the discharging efficiency is improved; and material blockage can be prevented.

The invention discloses a processing device for tea leaves and relates to the processing equipment for tea leaves. The processing device comprises a frame, a strip-tidying drum, a rolling drum, a feeding hopper, a feeding plate and a driving motor, wherein the strip-tidying drum sleeves the exterior of the rolling drum; the strip-tidying drum and the rolling drum are both rotatably connected with the frame; the rotating speed of the rolling drum is more than that of the strip-tidying drum; a plurality of vertically arranged rolling slots are formed in an outer side wall of the rolling drum; the feeding hopper is arranged above the rolling drum; the feeding plate is capable of sliding along the vertical direction of the frame; the feeding plate is arranged on the upper part of the rolling drum and is located in the rolling drum; a plurality of feeding slots which are tilted along the radial direction of the feeding plate are formed on the upper surface of the feeding plate; a plurality of wedge slots which are uniformly formed along the peripheral direction are formed on the lower surface of the feeding plate; wedge blocks which can be embedded into the wedge slots are fixed in the rolling drum; a feeding port which is connected with the rolling slots is formed in the rolling drum; the feeding port is connected with the rolling slots. The rolling slots can drive the tea leaves to rotate, the tea leaves can be rolled relative to the side wall of the strip-tidying drum and the tea leaves are rolled toward one direction, so that the tea strips are tightly rolled.

The invention provides a polishing pad and chemical-mechanical polishing equipment, and belongs to the technical field of semiconductors. The polishing pad comprises a substrate layer and a polishinglayer located on the substrate layer, wherein the polishing layer comprises a plurality of concentric circumferential trenches formed in the circumferential direction and a plurality of radial trenches which are formed in the radial direction and communicate with the adjacent trenches in the circumferential direction. By means of the polishing pad and the chemical-mechanical polishing equipment, the utilization rate of polishing liquid can be increased, the service life of the polishing pad can be prolonged, and the polishing quality can be improved.

The invention provides a lowering method of a steel protection casing, and relates to the hoisting technology field of the steel protection casing. The lowering method of the steel protection casing includes: step 1, supporting the steel protection casing on a steel platform, using a pressure bearing plate for blocking the top of the steel protection casing, blocking the bottom of the steel protection casing through an external medium so as to form a sealed inner cavity in the steel protection casing; step 2, inflating the inner cavity until air pressure Pi of the inner cavity reaches a presetvalue; step 3, relieving support for the steel protection casing; and step 4, controlling discharge speed of gas in the inner cavity so as to lower the steel protection casing. The lowering method ofthe steel protection casing forms the sealed inner cavity in the steel protection casing by sealing two ends of the steel protection casing, and then inflates the inner cavity until the air pressurePi reaches the preset value, and meanwhile the pressure bearing plate at the top of the steel protection casing is subject to upward pressure, and the pressure can counteract a part or all of the gravity of the steel protection casing, thereby improving hoisting capacity of a hoisting device.

The invention discloses an efficient industrial boiler pre-combustion chamber which comprises a pre-combustion chamber body. A pre-combustion cavity is formed in the pre-combustion chamber body, the upper side of the pre-combustion cavity communicates with a heat removal cavity, heat exchange plates made of heat transfer materials are fixedly arranged on the inner wall and the upper wall of the heat removal cavity, an annular water-cooling heat exchange cavity is formed in the outer side of the heat removal cavity, and a spiral water-colling pipeline is arranged in the water-cooling heat exchange cavity. The rotating speed of a water pump is controlled and reduced at the initial stage of ignition of the pre-combustion chamber through temperature detection, so that the flowing of cooling water in the water-cooling pipeline is further slowed down, the heat exchange in the pre-combustion chamber is reduced, and the combustion efficiency of fuel is improved; and then, through temperature detection, when the temperature rises, flowing of cooling water is accelerated, heat energy recovery is improved, meanwhile, the area of a waste gas exhaust port is controlled through the exhaust amount of waste gas, the effect of controlling the exhaust rate of the waste gas is achieved, the heat exchange efficiency in the pre-combustion chamber is further improved, and the overall working efficiency of the pre-combustion chamber is improved.

The invention discloses an efficient dewatering device for textiles. The efficient dewatering device comprises a main body shell. According to the efficient dewatering device, a power source generatedby a driving motor can be utilized for achieving both the effects of generation of high-pressure gas and jet dewatering, and the function of centrifugal dewatering, in this way, the textiles can be subjected to high-pressure air jetting and centrifugal dewatering, and thus the accelerated and effective dewatering effect can be achieved. Moreover, power of the driving motor is effectively and sufficiently utilized, and the utilization rate of kinetic energy is high. Besides, the efficient dewatering device is provided with a rotation-type air flow speed control mechanism of a thread structureso that discharge speed of air can be controlled to form wind power with proper strength. In addition, the efficient dewatering device is provided with a hollow-shaft-type wind power switching and guiding mechanism which can achieve position switching on the space, and the air is converted to the mode of blowing the textiles via wind power to achieve wind-driven dewatering. The efficient dewatering device is furthermore provided with a gear-meshing-type rotation function conversion mechanism, which can increase the rotation speed and then achieve a better centrifugal effect.

The present invention discloses a pit digging and planting apparatus for agricultural production. The pit digging and planting apparatus includes a bottom plate, a storage box and a pit digging head;the right side of the upper end of the bottom plate is provided with a vertical plate, the left side of the vertical plate is provided with the storage box, the middle of the top end of the storage box is provided with a first motor, the front end of a rotating shaft of the first motor is provided with a stirring rod and a helical blade, and the bottom end of the storage box is provided with a hopper and an electromagnetic valve; the left side of the upper end of the bottom plate is provided with a fixed plate, the right side of the fixed plate is provided with a fixed frame, the bottom end ofthe inner side of the fixed frame is provided with a second motor and a gear, the right side of the second motor is provided with a limiting cylinder, the outer side of the upper end of the limitingcylinder is provided with a gear ring, the inner side of the limiting cylinder is provided with a fixed cylinder, and the bottom end of the inner side of the fixed cylinder is provided with a third motor and the pit digging head; and the left side of the fixed plate is provided with a supporting plate, the bottom end of the supporting plate is provided with a fixed mount, the outer side of the fixed mount is provided with a limiting frame, and the inner side of the fixed mount is provided with a furrowing blade. The pit digging and planting apparatus is reasonable in structure and capable of facilitating digging pits for sowing, furrowing, relieving the working intensity of a farmer and increasing the work efficiency.

The invention discloses an automatic water changing drinking trough for pigeon feeding, and relates to the field of agricultural breeding. The automatic water changing drinking trough comprises a supporting base, wherein a waste water storage tank is fixedly mounted at one end of the supporting base, a supporting plate is fixedly mounted at the top end of the waste water storage tank, two supporting rods are fixedly mounted at the top end of the supporting plate, the same water injection tank is fixedly mounted at the top ends of the two supporting rods, and two limiting blocks are fixedly mounted on the two sides of the water injection tank respectively. When drinking water for pigeons needs to be replaced, an output shaft of a servo motor rotates to drive a first roller to rotate, the first roller rotates to drive a belt to rotate, the belt rotates to drive a second roller to rotate, the second roller rotates to drive a rotating tank to rotate, after the rotating tank is inclined for a certain angle, waste water in the tank is discharged into the waste water storage tank, the servo motor is controlled through an electric control program, so that the inclination angle of the rotating tank is further controlled, and the discharging speed of the waste water can be controlled.

The invention relates to the technical field of carbon fiber production, and discloses an intelligent manufacturing device capable of guaranteeing the slurry uniformity and the discharging quality. The device comprises a shell; a stirring disc is rotatably mounted in the shell; a driving rod is fixedly mounted in the center of the stirring disc; a resistor stripe is fixedly connected to the outer portion of the driving rod on the surface of the stirring disc; a contact rod is slidably connected to the surface of the resistor stripe; a sliding groove is fixedly formed in the outer portion of the driving rod on the surface of the stirring disc; a sliding block is slidably connected to the inner portion of the sliding groove; and a connecting rod is rotatably connected to the bottom end of the sliding block. According to the intelligent manufacturing device capable of guaranteeing the slurry uniformity and the discharging quality, the stirring speed and the internal temperature are adjusted according to the uniformity of internal slurry, so that the quality of the stirred slurry is guaranteed, energy waste caused by overhigh equipment power is prevented; and meanwhile, the size of a discharging port is adjusted according to the slurry uniformity, so that the discharging quality is guaranteed, and the phenomenon that the working efficiency is reduced due to the too low discharging speed is avoided.

The invention discloses an efficient water curtain dust remover which comprises a dust removal box and supporting legs, the four sets of supporting legs are welded to the lower end of the dust removalbox. A water supply tank is fixedly connected to the upper part of the dust removal tank; the bottom of the water supply tank is communicated with a plurality of groups of spraying pipes; the plurality of groups of spraying pipes extend downwards into the D-shaped dust removal cavity of the dust removal box; and the lower end of the spraying pipes is in threaded connection with a pressure spray head, the bottom of the dust removal box is symmetrically connected with a first spiral pipe and a second spiral pipe, a liquid collecting tank is arranged below the first spiral pipe and the second spiral pipe, and the upper end of the water supply box is connected with an air storage tank through an air inlet pipe. According to the efficient water curtain dust remover and the using method thereof, the effect of controlling the flue gas emission rate is achieved by designing the sliding block with the crank connecting rod moving and cooperating with the valve effect of the spherical check block so that the effect is matched with the fixed flow rate of a water curtain, the absorption efficiency of absorption liquid is improved, the dust remover is suitable for different working conditions,and better use prospects are brought.

The invention discloses a machining waste material collecting device, the device comprises supporting legs and further comprises a machine frame which is in a cuboid shape and is fixed to the upper ends of the supporting legs, a collecting box is arranged below the machine frame in a penetrating manner, a guide frame is pivoted to the end part of the machine frame and is placed above the collecting box, first guide rails are fixed to the top end of the machine frame in the length direction of the machine frame, the two first guide rails are arranged in parallel, a material box is supported atthe upper end of the machine frame and slides along the first guide rails, a guide frame comprises a rectangular frame, a supporting block is triangular and is fixed on the lower side of the end partof the frame, a conveying frame is pivoted in an inner cavity of the frame, a shifting piece is pivoted in the frame in the axial direction of the frame, a material box comprises a shell which is in acuboid shape, a discharge window is rectangular and is pivoted to the side wall of one side of the shell, a material removing piece is fixed on the side wall of the other side of the shell, and therefore, the machining waste material collecting device can collect waste materials and meanwhile has good self-buffering protection capacity.

The invention discloses a convenient-to-maintain pulse bag type dust remover for processing glutinous rice. The pulse bag type dust remover comprises a dust removing mechanism; a dust collecting hopper is arranged at the bottom end of the dust removing mechanism; one side surface of the dust removing mechanism is provided with an air inlet; the other side surface of the dust removing mechanism issymmetrically provided with an air outlet; an air pump is arranged at the upper part of the left side of the dust removing mechanism; the air pump is provided with an air pipe; and the air pipe is provided with a plurality of groups of pulse solenoid valves at equal intervals. A dust removal cavity has good air tightness and obvious dust-containing gas purification effect; two adjacent groups of maintenance plates can be pulled apart by rotating movable clamping plates, so that later maintenance and overhaul of maintenance personnel are facilitated, and maintenance and overhaul are convenientand rapid; dust-containing gas can be prevented from being mixed with the purified gas, so that quality of the purified gas is ensured; dust attached to the filter plate can be better removed, so thatthe dust removal effect is better; and the dust discharge rate of dust can be controlled, so that the dust can be conveniently collected and treated by workers in a centralized manner.

The invention discloses a cooling device for rice processing in the technical field of rice processing equipment. The cooling device comprises a box body, supporting columns, a sliding mechanism, a discharging mechanism and an exhaust mechanism, the supporting columns are welded to four corners of the bottom of the box body, and the sliding mechanism is connected to the lower sides of inner cavities of the supporting columns in a sliding mode. According to the cooling device for the rice processing, the structure design is reasonable, the airflow blowing-in direction is changed while the airflow flowing speed is not reduced, the airflow makes full contact with rice, the cooling time of the rice is effectively shortened, a temperature sensor is arranged to detect the residual temperature in a rice pile, workers do not need to take out the rice and then detect the temperature, the actual operation steps of the rice cooling device are greatly reduced, then a one-way exhaust valve and a plate type filter element are used in cooperation, gas in the box body is exhausted, meanwhile, residual air in the box body is purified, the rice cooling efficiency is further improved, and meanwhile, impurities left on the surface of rice are effectively reduced.

The invention is suitable for the technical field of boilers, and provides a boiler device with a self-pollution-discharge structure, which comprises a base, a boiler body is arranged on the top surface of the base, a box body is arranged on the top surface of the boiler body, a partition plate is arranged in the boiler body, the top of the partition plate penetrates through the top surface of the boiler body and extends into the box body, and the bottom of the partition plate is provided with a water inlet. A partition plate is arranged at the top of the box body, a transverse plate is arranged at the top of the partition plate, a threaded rod is arranged at one end of the transverse plate in a penetrating mode, and the threaded rod is rotationally connected with the top face and the bottom face of the box body. According to the boiler, pollution discharge can be conveniently carried out, the discharge rate can be conveniently controlled, the sealing performance between the boiler body and the outside is guaranteed through multiple measures, use is convenient, and the use effect of the boiler is greatly improved.