32results about How to "Operation without downtime" patented technology

The invention provides a method for determining an indicator diagram of electrical parameters of a rod-pumped well and belongs to the technical field of oil production of oil fields. The method aims at achieving convenient and practical measurement of the indicator diagram of the electrical parameters of the rod-pumped well on site. The method is characterized in that top dead center moments and bottom dead center moments are determined periodically, active powers of electrical parameters of up strokes and down strokes of the rod-pumped well are processed in a decomposition mode, and input end active power of the up strokes and the down strokes is obtained respectively and are calculated and converted into wellhead loading force; adjustment is conducted through balance blocks for operation balance of a pumping unit, actually measured data are used for further correcting the weights of the crank balance blocks of the oil pumping unit or retrieving the weights of the crank balance blocks after adjustment, actually measured active power is converted into wellhead loading force F<upper force i>, wellhead loading force F<lower force i> and superposed wellhead loading force F<upper and lower force i>, the wellhead loading force F<upper force i>, the wellhead loading force F<lower force i> and the superposed wellhead loading force F<upper and lower force i> are calculated, superposed and converted into wellhead loading force, and the indicator diagram of trends of the electrical parameters is determined before and after superposition with the crank balance blocks. According to the method, on-site testing is convenient and practical, and online automatic measurement is achieved.

The invention discloses a horizontal type screw rod structure cracking furnace for waste tire resource recycling. The horizontal type screw rod structure cracking furnace comprises a sealed furnace body, wherein a tire block inlet tube and a cracking gas outlet tube are respectively arranged on the left side of the upper part and the right side of the upper part of the furnace body; the furnace body is internally provided with a rotor; two ends of the rotor are respectively supported in a left bearing support and a right bearing support; the rotor is driven to rotate through a transmission system at the left end of the rotor; a heating jacket is arranged at the lower part of the outer side of the furnace body; a cracking product outlet tube is arranged at the lower part of the right end of the furnace body; the whole device is mounted on a saddle support. A heat source is provided by virtue of a hollow shaft and the jacket together, so that a great heat conduction area is achieved; separated cracking products can be used as the heat source; the high-temperature gas inside the hollow shaft and the jacket flows in a countercurrent manner, the jacket only wraps a lower cylinder and contacts a cracking reaction position, multi-stage serial connection is adopted, and baffle plates are arranged inside the jacket, so that the retention time of the high-temperature gas is prolonged; the screw pitches of spiral blades are spare in the front part and dense in the rear part, the cracking products are completely discharged outside the cylinder along with rotation of the spiral blades, and shutdown operation is not required.

The present invention relates to a bulk flow and self-cleaning net type filter comprising a tank body, a power system, a control system and a filter chamber. The bottom of the tank body is provided with a water inlet, one side of the tank body is provided with a water outlet, and the top of the tank body is provided with a sewage draining exit and a power system, and a filter chamber connected with the power system, the control system and the water outlet respectively is arranged inside the tank body. The filter is characterized in that the filter chamber comprises a cuneate filter canister and a rotating stainless steel wire brush unit arranged in the cuneate filter canister; the cuneate filter canister is connected with the water inlet; the rotating stainless steel wire brush unit comprises central upper, middle and lower wire brush shafts that are connected to each other, and three sets of steel wire brushes that are arranged at the central brush shafts vertically; the upper and lower shafts of the wire brush are connected with the top and the bottom of the filter chamber respectively; every two steel wire brushes are at a 120 DEG angle to each other. The filter is advantageous in simple structure, sensitive self-cleaning control system and excellent sewage draining effect.

The invention relates to the technical field of nap removal devices, and particularly relates to a nap removal device for a towel decorating machine. The nap removal device comprises an operating platform, a driving motor, a positioning plate, a blast blower and an electric hydraulic cylinder, wherein a bracket is mounted at a bottom end of the operating platform; fixing plates are arranged on a left side and a right side of an upper end of the operating platform; a first rotating shaft is arranged at the center of the fixing plate; a driving wheel is arranged on an outer ring of a first rotating shaft on the left side; a driven wheel is arranged on the outer ring of the first rotating shaft on the right side; the driving motor is mounted on the left side of the driving wheel; a connectingrod is arranged on the driving motor; the other end of the connecting rod is connected to the first rotating shaft on the left side; a conveyor belt is connected between the driving wheel and the driven wheel; upright columns are mounted on an upper end surface of the operating platform; the positioning plate is mounted between the upright columns; and a control switch is arranged at the center of the front surface of the positioning plate. The nap removal device has advantages of relatively good integral stability, simple structure, relatively good nap removal effect, low cost and convenientoperation, and has a certain promotion value.

The invention relates to the technical field of wastewater treatment accessory devices, in particular to self-cleaning intelligent factory wastewater purification treatment equipment which comprises a horizontally-arranged bottom plate. The filtering mechanism comprises a filtering cylinder internally provided with a cavity, the left end of the filtering cylinder communicates with a water inlet pipe, a rotating shaft is rotationally arranged on the right wall in the filtering cylinder, a spiral net plate is arranged on the rotating shaft, a moving plate is slidably arranged on the spiral face of the spiral net plate, and a rubber scraping strip is arranged on the side, close to the spiral net plate, of the moving plate; a reciprocating motion mechanism is arranged on the filter cylinder body; the water pumping mechanism comprises a middle cylinder internally provided with a cavity, the water inlet pipe is communicated with the left end of the middle cylinder, the right end of the middle cylinder is communicated with a connecting pipe, the connecting pipe is provided with a water pump, and the middle cylinder is provided with a driving mechanism. The filtering assembly is automatically cleaned in the wastewater filtering process, operation is easy, shutdown operation is not needed, and the wastewater purification treatment efficiency is high.

The invention provides an easily cleaned thermal treatment quenching tank which comprises a circulation liquid discharge tank, a residue cleaning box and a quenching tank, wherein a residue cleaning box holding rack is arranged on the upper side of the circulation liquid discharge tank; the residue cleaning box is mounted at the top of the residue cleaning box holding rack in an embedded manner; aresidue discharge pipeline is arranged on the lower side of a residue collection tank; a filtering net plate mounting rack is arranged on the inner side of the quenching tank; a filtering net plate is fixed on the filtering net plate mounting rack through bolts. The filtering net plate which is of inclined structural design is arranged in the easily cleaned thermal treatment quenching tank, the filtering net plate is inclined towards the residue collection tank, in addition, and the inclined bottom end of the filtering net plate is arranged at the upper end of the bottom surface of the residue collection tank, so that due to the structure, residues can slide into the inner side the residue collection tank through the inclined filtering net plate through continuous vibration of a coolant,and are further discharged out through the residue discharge pipeline, and the physical residue cleaning effect of residues can be effectively improved.

The invention relates to the technical field of part machining, and discloses an automatic feeding device for end face machining. The automatic feeding device for end face machining comprises a pushing device, an automatic positioning device and a discharging device, wherein workpieces to be machined are continuously conveyed to the automatic positioning device through the pushing device so as to be positioned and clamped, and discharging is conducted through the discharging device, so that the continuous and automatic end face machining procedure is achieved, the automation degree is high, and the working efficiency is high; in addition, a conveying mechanism in the automatic positioning device drives a conveying wheel to do eccentric rotating motion through an eccentric shaft, so that clamping of the workpieces is achieved; in the workpiece conveying motion process of the conveying wheel, on one hand, the workpiece conveying path is increased, and the diameter of the conveying wheel needed for conveying the workpieces with the same size is reduced, so that the equipment size is reduced, and the equipment cost is reduced; on the other hand, the conveying wheel can drive a positioning mechanism to position the workpieces in the eccentric movement process, so that the synchronism between the positioning mechanism and the conveying mechanism is guaranteed; and the positioning mechanism does not need extra power, so that the equipment cost is low.

The invention relates to the technical field of hydraulic motors, in particular to a pressure adaptation control mechanism and a hydraulic motor. Comprising a valve body in which a plurality of oil passages are formed; the valve sleeve is assembled in the valve body in a sliding mode, a plurality of oil ports are formed in the valve sleeve and correspondingly communicated with the oil channels, and pilot acting force is formed on the axial side of the valve sleeve; the valve element is assembled in the valve sleeve in a sliding mode, and the valve element controls connection and disconnection of the multiple oil ports in a sliding mode; the pressure control assembly is located on the other axial side of the valve sleeve and comprises a pressure adjusting elastic piece and a constant-pressure elastic piece which are arranged in a sleeved mode, the pressure adjusting elastic piece acts on the valve sleeve, the constant-pressure elastic piece acts on the valve element, the valve element slides under the action of pressure oil, and the constant-pressure elastic piece acts on the constant-pressure elastic piece. And the valve sleeve slides under the action of the pilot acting force. The technical problems that in the prior art, the pressure of a hydraulic system adjusted by a constant pressure valve cannot be changed in the operation process, and the use difficulty is increased are solved.

The invention relates to an SCR catalyst life prediction method based on a BP neural network algorithm, and belongs to the technical field of power plant denitration. According to the SCR catalyst life prediction method based on the BP neural network algorithm, data mining is carried out on DCS data of the denitration system, key indexes of catalyst activity are obtained, the BP neural network algorithm is used for more accurately predicting the change trend of the catalyst activity, a theoretical basis is provided for catalyst management of the denitration system, the prediction structure is accurate, and the prediction cost is low. Shutdown operation of a power plant denitration system is not needed, and normal work of a power plant is not affected.

The invention discloses a hot melting device for new material production, and relates to the field of new material production. The hot melting device for new material production comprises a hot melting device extrusion pipe, a filter screen installation base is fixedly installed in the middle of the hot melting device extrusion pipe, a first filter screen is fixedly installed at the position, close to the filter screen installation base, of an inner cavity of the hot melting device extrusion pipe, and an opening is formed in the side face of the filter screen installation base; and the inner cavity of the filter screen mounting seat is wider than that of the extrusion pipe of the hot melting device. According to the hot melting device for new material production, the first filter screen and the second filter screen can be conveniently installed and fixed, so that when a new material passes through an extrusion pipe of the hot melting device, the new material is filtered, residues are taken out, when the second filter screen is installed and fixed, operation is easy and convenient, time and labor are saved, and the production efficiency is improved. In the later period, the first filter screen and the second filter screen are convenient to take out and clean and easy to replace, and the aperture of a filter hole formed by the first filter screen and the second filter screen is adjustable.