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120results about How to "Implement injection" patented technology

Fault injection device

ActiveCN105094109AFault injection implementationAchieve circuit breakElectric testing/monitoringEngineeringAnalog signal
The invention relates to a fault injection device. The fault injection device comprises an operation panel used for setting a type of a fault signal needing injection, a signal collection module used for filtering and shaping a signal from a vehicle sensor to generate an original signal and inputting the original signal to an MCU, an MCU for processing the signal outputted from the signal collection module to generate a fault injection signal meeting the type of the fault signal needing injection as an output signal according to the type of the fault signal needing injection received by the operation panel in a situation that there is a fault injection mode or employing the original signal from the signal collection module as an output signal directly in a situation that there is not a fault injection mode, and a signal output module for receiving the output signal from the MCU and outputting a square wave signal or a simulation signal to an electric control module to be detected. By utilization of the fault injection device, fault injection with various types can be achieved.
Owner:SAIC GENERAL MOTORS +1

Penicillin bottle medicine dispensing device and method

The invention discloses a penicillin bottle medicine dispensing device and method. The device comprises a control system and a double-head needle cylinder arranged on a base. A first catheter and a second catheter which are connected to the needle cylinder are connected with a first needle used for being inserted into a penicillin bottle and a second needle used for being inserted into an infusion bag respectively, a first clamping piece is arranged on the first catheter, a second clamping piece is arranged on the second catheter, and the control system is in communication with a first linear reciprocating mechanism, the first clamping piece and the second clamping piece. According to a method that in the prior art, a needle cylinder is manually handheld to suck medicine liquid or medicine powder in a penicillin bottle, then an infusion bag is handheld, the needle cylinder is inserted into the infusion bag, then the medicine liquid is injected, the efficiency is low, and meanwhile potential safety hazards on operation medical staff exist; compared with the method in the prior art, the penicillin bottle medicine dispensing device is applied and is simple in structure, small in occupied space, easy and convenient to operate, high in medicine dispensing efficiency, safe, reliable and capable of achieving automation and convenience of dispensing and injecting of medicine liquid or medicine powder in the penicillin bottle, effectively preventing medicine liquid from flowing back and effectively relieving labor intensity.
Owner:CHENGDU JIESHIDE SCIENCE AND TECHNOLOGY CO LTD

Gas management apparatus and method for excimer laser

The invention relates to a gas management apparatus and a method for an excimer laser. The apparatus comprises: an excimer laser; a monitoring and controlling module; controllable electromagnetic valves that are used for controlling flow directions of laser working gases; gas injection tank that is used for matching laser working gases with different concentrations; a halogen gas processing apparatus and a vacuum pump that are used for discharging laser working gases; and a pressure transducer that is used for monitoring pressure intensities of the laser working gases. According to the invention, working parameters of an excimer laser are monitored, wherein the working parameters include a working voltage, pulse energy, a width of a spectral line, and a wavelength; consumption of laser working gas is estimated according to quantitative relations between the working parameters of the excimer laser and the concentration of the laser working gas, wherein the working parameters are measured by an experiment; changes of pressure intensity of the laser working gas within a laser cavity as well as openings and closures of the controllable electromagnetic valves are controlled by employing pressure monitoring and signal feed back methods, so that the laser working gas is injected with an accurate value into the laser cavity. According to the invention, stability for outputting laser pulse by an excimer laser can be improved; life of laser working gas can be effectively prolonged; and a gas change rate of the laser can be reduced.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

Dispensing robot for penicillin bottles and dispensing method of dispensing robot

The invention discloses a dispensing robot for penicillin bottles. The dispensing robot comprises a base, wherein a first substrate and a second substrate are arranged oppositely on the base and can move in a parallel and staggered manner; the penicillin bottles and a transfusion bag are arranged on the first substrate, a needle cylinder and a support are arranged on the second substrate, a needle head is arranged at one end, facing the first substrate, of the support and is connected with the needle cylinder, the needle head is matched with each penicillin bottle and the transfusion bag and can move vertically relative to each penicillin bottle and the transfusion bag. With the application of the dispensing robot, the needle head connected to the needle cylinder is inserted into each penicillin bottle and the transfusion bag in a matched manner respectively, medicines in the penicillin bottles are transferred to the transfusion bag through the suction or injection process of the needle cylinder, and dispensing is completed. Meanwhile, with the adoption of the method, the manual labor intensity can be effectively reduced, and the dispensing work efficiency is improved; besides, the medicines containing different components in the penicillin bottles can be dispensed to the transfusion bag in large quantities once, the dispensing time and the dispensing cost are saved, and injuries to medical workers are avoided.
Owner:CHENGDU JIESHIDE SCIENCE AND TECHNOLOGY CO LTD

Blood detection micro-fluidic chip

The invention discloses a blood detection micro-fluidic chip. The blood detection micro-fluidic chip comprises a substrate and a cover plate; and the cover plate and the substrate are in sealing fit to form a chip body; the chip body is provided with a plurality of separation and detection units, and the plurality of separation and detection units are radially distributed by taking the circle center of the chip body as an original point; each separation and detection unit comprises a whole blood sampling pool, a plasma separation pool, an erythrocyte sedimentation pool, a plasma storage pool, a quantification pool, a front primary waste liquid pool, a front secondary waste liquid pool, a rear primary waste liquid pool, a detection reagent sampling pool, a detection pool, a whole blood sample injection hole, a whole blood sample injection pool vent hole, a plasma storage pool vent hole, a rear primary waste liquid pool vent hole and a detection reagent sample injection hole, wherein the whole blood sampling pool, the plasma separation pool, the erythrocyte sedimentation pool, the plasma storage pool, the quantification pool, the front primary waste liquid pool, the front secondary waste liquid pool, the rear primary waste liquid pool, the detection reagent sampling pool and the detection pool are arranged on the substrate, and the whole blood sample injection hole, the whole blood sample injection pool vent hole, the plasma storage pool vent hole, the rear primary waste liquid pool vent hole and the detection reagent sample injection hole are formed in the cover plate. The blood detection micro-fluidic chip has separation and detection functions at the same time, can achieve plasma / serum separation, reagent injection, reaction and detection integration; and the problem that blood coagulation measurement and detection cannot meet the ever-increasing instant detection requirement is solved.
Owner:ZHEJIANG SHENGYU MEDICAL TECH CO LTD +1

Surface emitting laser and preparation method thereof

The invention discloses a surface emitting laser which sequentially comprises a bottom electrode, a substrate, a lower Bragg reflecting mirror, an active region, an oxidation confinement layer, an upper Bragg reflecting mirror, a contact layer and an external electrode from the bottom up. The surface emitting laser is characterized by further comprising isolation grooves, a passivation layer covering the surface of each isolation groove and a contact electrode connected between the contact layer and the external electrode, wherein the isolation groove extends downward from the surface of the contact layer, runs through the upper Bragg reflecting mirror and reaches the oxidation confinement layer, and the contact electrode is a graphene transparent electrode. According to the invention, a graphene material is adopted is prepare the graphene transparent electrode at a light emitting end face, the graphene transparent electrode forms a top electrode together with the external electrode at the light emitting end face so as to replace an existing annular metal electrode, injection of current is realized, and the working stability of the device can be improved. In addition, the graphene transparent electrode has the advantages of high thermal conductivity and electrical conductivity, high mechanical strength, extremely high transmittance and the like.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

Device for simulating land-based test of ship ballast water treatment system

The invention relates to a device for simulating a land-based test of a ship ballast water treatment system, which relates to the field of ships. The device consists of a comparison cabin (1), a processing cabin (2), an operating room (3), a first culture cabin (4), a second culture cabin (5), a cement bearing platform (6), a first UPVC connecting pipeline (7), a second UPVC connecting pipeline (8), a ballast pump inlet (9), a ballast pump outlet (10), a control valve (11), a third UPVC connecting pipeline (12), a fourth UPVC connecting pipeline (13), a sampling point (14) and a fifth UPVC connecting pipeline (15). The device can meet test requirements of a G8 guideline of 'Approved Guidelines for Ballast Water Treatment System'; besides, the flow speed of ballast water is between 250 and 300m3 / h, and the complete set of the device runs normally.
Owner:SUNRUI MARINE ENVIRONMENT ENG

A camera fault injection method and device

The embodiment of the invention discloses a camera fault injection method and device, and the method comprises the steps of obtaining a camera video signal, carrying out the fault simulation processing of the camera video signal according to a received fault injection instruction, obtaining a fault simulation signal, and outputting the fault simulation signal to a to-be-tested controller. According to the camera fault injection method and device, based on normal camera video signals, by performing fault simulation processing on the camera video signal according to a predetermined signal faulttype; and then inputting the video signal subjected to fault simulation processing into the to-be-tested controller, the processing and injection of camera signal faults are realized, more comprehensive detection of the to-be-tested controller is facilitated, and the stability and reliability of each function of the to-be-tested controller are ensured.
Owner:BEIJING JINGWEI HIRAIN TECH CO INC

Multifunctional optoelectronic device

A multifunctional optoelectronic device comprises ITO glass, a hole transport layer, a heterojunction, an electron transport layer and a metal electrode, wherein the ITO glass is a substrate of the entire optoelectronic device; the hole transport layer, the heterojunction, and the electron transport layer are successively disposed on the ITO glass from bottom to top, or the electron transport layer, the heterojunction, and the hole transport layer are successively disposed on the ITO glass from bottom to top; the surface of the electron transport layer or the hole transport layer at the uppermost layer is plated with the metal electrode; the heterojunction is formed by stacking a perovskite layer and a quantum dot layer; the hole transport layer forms a P-type semiconductor; the heterojunction forms an intrinsic semiconductor; and the electron transport layer forms an N-type semiconductor such that the optoelectronic device has a PIN structure and a built-in electric field from the electron transport layer to the hole transport layer is generated in the optoelectronic device. The multifunctional optoelectronic device of the invention can realize energy collection, energy injectionand energy detection functions on a single device structure.
Owner:SHENZHEN UNIV

Cable state on-line monitoring and early warning data integrated processing terminal

ActiveCN105043457AEasy to judgeMonitor insulation statusMeasurement devicesComputer terminalEngineering
The invention relates to a cable state on-line monitoring and early warning data integrated processing terminal. The cable state on-line monitoring and early warning data integrated processing terminal is characterized in that the integrated processing terminal is provided with a shell; a control circuit is fixed in the shell; the control circuit is connected with a monitored cable; the control circuit at least comprises a cable connector wireless temperature measuring unit for monitoring the temperature of the connector of the monitored cable in real time, a cable partial discharge detection unit used for monitoring the partial discharge situation of the cable, a cable insulation on-line monitoring unit used for monitoring the insulation state of the cable in real time, and a central processing unit which is used for receiving and processing data monitored by the above units. The cable connector wireless temperature measuring unit, the cable partial discharge detection unit and the cable insulation on-line monitoring unit are arranged in the cable state on-line monitoring and early warning data integrated processing terminal, and therefore, a plurality of parameters of the cable can be acquired and processed simultaneously, and comprehensive judgment can be performed on the operating state of the cable conveniently.
Owner:武汉怡讯电气科技有限公司

Gas channeling simulation system

The invention discloses a gas channeling simulation system, which includes a cement slurry unit, a gas supply unit, a heating unit and a test unit. The cement slurry unit communicates with the test unit and provides cement used for test; the gas supply unit communicates with the test unit and used for providing pre-set pressure used for tests; the test unit is arranged in the heating unit, which is used for providing preset temperature used for test; the test unit comprises a gas channeling pipe used for measuring the gas channeling process of cement and a weight loss pipe used for measuring the pressure of a cement hydrostatic column; the gas channeling pipe and the weight loss pipe are located in a heating cylinder and are provided with an annular chamber used for accommodating cement, and the bottom ends of the gas channeling pipe and the weight loss pipe are provided with pressure detection mechanisms, respectively; the bottom end of the annular chamber of the gas channeling pipe is provided with a first cement slurry input port and a first gas input port, and the top end of the gas channeling pipe is provided with a pressurization detection port; and the bottom end of the annular chamber of the weight loss pipe is provided with a second cement slurry input port.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Sand and scale prevention oil well pump

The invention discloses a sand and scale prevention oil well pump, and belongs to the technical field of oil pumps. The oil well pump comprises an oil storage device, a driving device, a softener injection device, a pump body shell, an oil delivery pipe and an oil pumping device, the oil pumping device is arranged in the pump body shell, and the first end of the oil delivery pipe is fixedly connected with a scraper blade in the oil pumping device; and the second end of the oil delivery pipe is arranged in the oil storage device in a sliding manner, the driving device is installed between the oil storage device and the pump body shell, the driving device drives the oil delivery pipe to slide, then the oil delivery pipe controls the oil pumping device to act, changes the internal space of the oil pumping device and achieves oil pumping, a softener is mounted in the pump body shell, and communicates with the oil pumping device, and the softener injection device is used for injecting the softener into the oil pumping device; and oil dirt removal and automatic collection and discharge of mud and sand are directly achieved in the oil pumping process, the mud and sand are effectively prevented from blocking the device, and the automation degree is high.
Owner:东营市金山石油机械制造有限公司

Inkjet device being convenient to clean

The invention provides an inkjet device being convenient to clean so that a problem that the existing inkjet device is cleaned with much time and more efforts in the prior art can be solved. The inkjet device comprises a jet nozzle and an ink box. The jet nozzle is communicated with the ink box by a connecting device. The connecting device consists of an upper connecting tube, a ball cover and a lower connecting tube; one end of the upper connecting tube is communicated with the ink box by a control valve and the other end is communicated with the upper end of the ball cover; the lower end ofthe ball cover is communicated with one end of the lower connecting tube and the other end of the lower connecting tube is communicated with the jet nozzle; and an opening is formed in the upper partof the ball cover. The inkjet device having a simple structure is used conveniently. The ball cover is arranged at the pipeline connecting the ink box with the jet nozzle. On the one hand, an objective of injecting a cleaning agent into the nozzle is achieved on the premise that the nozzle is not dismounted and the size is not increased; and on the other hand, the ball cover plays a role in controlling the flow.
Owner:梁延津

Disposable esophagus medicine applicator in department of gastroenterology

InactiveCN110711309AInjection achievedSyringe to achieve the injection of gasSurgeryMedical devicesSphygmomanometerEngineering
The invention relates to the field of a medical appliance, in particular to a disposable esophagus medicine applicator in department of gastroenterology. The disposable esophagus medicine applicator in department of gastroenterology comprises a silica gel air bag and an injector which are connected by a double-layer sleeve pipe, wherein the double-layer sleeve pipe comprises an outer pipeline andan inner pipeline arranged in the outer pipeline; and a plurality of groups of medical tough bars are respectively arranged on the curve surface side wall of the silica gel air bag. The disposable esophagus medicine applicator in department of gastroenterology has the advantages that the structure is simple; the cost brought by the use of a sphygmomanometer type latex air bag is reduced; in addition, by controlling the clamp blocks and conical clamp strips, the fixation of an elastic opening supporter and the double-layer sleeve pipe is realized; the displacement of the silica gel air bag dueto the swallowing of a patient can be avoided; the smearing effect is further improved; in addition, the operation and the use by a doctor are convenient; meanwhile, the medical tough bars have certain telescopic performance and can maintain the three-dimensional performance, so that the inner walls of the two sides of a medicine cavity cannot be in contact because the silica gel air bag becomes big, so that the deformation of the medicine cavity is reduced; further, medicine liquid can be conveniently injected into the medicine cavity; and the medicine liquid can be conveniently smeared ontothe esophagus position through a medicine leaking hole.
Owner:CHANGZHOU NO 2 PEOPLES HOSPITAL

Special drug box for spraying machine

The invention discloses a special drug box for a spraying machine. The special drug box for the spraying machine comprises a box body and a matched cover, the cover is arranged above the box body and detachably connected with the box body, a water inlet is arranged on the top portion of the cover, a water outlet is arranged on the lower portion of the box body, an anti-corrosion layer is arranged on the inner wall of the box body, a plurality of reinforcing ribs which are crisscrossed are arranged on the anti-corrosion layer. Compared with an existing drug box which is a sealed drug box with a water inlet, the special drug box designed with the box body and the cover is convenient to open to clean the interior. Since the water inlet is designed on the cover, injection of liquid can be realized without opening the cover. Since the anti-corrosion layer is arranged on the inner wall of the box, service life of the box body is prolonged. Since the reinforcing ribs are arranged on the anti-corrosion layer, large pressure to the box body from excessive pressure caused by too much drug liquid is avoided, and due to the fact that the reinforcing ribs are arranged in a crisscross manner, pressure on the box body can be well spread all around. The special drug box for the spraying machine is simple in structure, convenient and practical.
Owner:CHENGDU COLDPLAY NETWORK TECH

A diamond film flat field emission cathode and method for making same

The invention belongs to a diamond film planar field emission cathode applied to plate display and its making method. It includes: a substrate, where a measuring metal electrode is deposited on one surface of the substrate and a measuring lead wire is connected with them; there is a diamond film layer on the other surface of the substrate; a metal silicide transition layer is situated between the substrate and diamond film layer. Its making method includes: firstly making a metal silicide transition layer on one surface of the substrate; then adopting various traditional methods to grow a diamond film on the metal silicide, because it is difficult in directly growing diamond film on the metal silicide, normally nucleating at bias voltage and then growing the diamond film; adopting spurting or depositing process to deposit 300-1000 nm thick Au electrode on the other surface of the substrate. The metal silicide transition layer provides two interface barriers tunneled by electron resonance, thus realizing high-density electron injection. And the making method is easy to spread.
Owner:INST OF PHYSICS - CHINESE ACAD OF SCI

Ink jet device convenient to clean

InactiveCN106739511APlay a role in controlling flowSimple structurePrintingEngineeringCleansing Agents
The invention relates to an ink jet device convenient to clean, and effectively solves the problem that a conventional ink jet device is time-consuming and labor-consuming when being cleaned. The ink jet device comprises a spray head and an ink cartridge, wherein the ink cartridge communicates with the spray head through a connecting device; the connecting device comprises an upper connecting pipe, a spheroidal hood and a lower connecting pipe, wherein one end of the upper connecting pipe communicates with the ink cartridge through a control valve, and the other end of the upper connecting pipe communicates with the upper end of the spheroidal hood; the lower end of the spheroidal hood communicates with one end of the lower connecting pipe, and the other end of the lower connecting pipe communicates with the spray head; and an opening is formed in the upper part of the spheroidal hood. The ink jet device disclosed by the invention is simple in structure and convenient to use; the spheroidal hood is arranged on the pipeline through which the ink cartridge and the spray head communicate, so that on one hand, under the premise that the spray head is not disassembled and the volume is not increased as far as possible, the purpose of injecting a cleaning agent to the spray head is realized; and on the other hand, the spheroidal hood can also achieve the effect of controlling flow.
Owner:周利平

Urethral sheath of ureteroscope

PendingCN111481261AReduce the risk of injuryDoes not affect plug-in useSurgeryEndoscopesUreteroscopesUrethra
The invention discloses a urethral sheath of an ureteroscope. The urethral sheath comprises an insertion part, a urethral sheath wall, a ureteroscope intubation tube, a compressible telescopic tube, an inflation module and a pressure measurement module; the insertion part is fixed at the front end of the urethra sheath wall; one end of the compressible telescopic tube is connected with the rear end of the urethra sheath wall, and the other end is connected with the ureteroscope intubation tube; the ureteroscope intubation tube is used for inserting a ureteroscope from the rear end of the wholeurethral sheath; a pressure measuring module for monitoring the pressure in the bladder is arranged on the insertion part; and the inflation module is arranged on the outer wall of the front end of the urethral sheath wall and used for flexibly fixing the urethral sheath after inflation expansion. The pressure measuring module can detect the pressure in the bladder, the urethral sheath can be prevented from slipping to injure the urethra through the inflation module, the success rate of an operation can be effectively increased, and the risk of serious surgical complications is reduced.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI

Rare earth electroluminescent blue light device

The invention discloses a rare earth electroluminescent blue light device. The rare earth electroluminescent blue light device comprises a first functional layer, a light emitting layer and a second functional layer which are sequentially arranged from top to bottom, wherein the material of the light emitting layer is rare earth halide or a derivative thereof, the light emitting layer is of a non-doped type, and the transition mode of rare earth ions is f-d allowed transition. As the material is an inorganic material, the material is good in stability, not easy to age and long in service life,and has the property that the light-emitting peak position is adjustable by a crystal field, the crystal field of the material can be adjusted by changing the crystallinity of the material in the process of preparing the light emitting layer, and then the light-emitting peak position of rare earth ions in the material is adjusted so as to generate pure blue light. Furthermore, the material of thelight emitting layer has the light-emitting property of f-d allowed transition, so that the emission intensity is high, and the brightness is high. Due to the fact that the f-d non-doped rare earth compound 5d track contributes to the conduction band or valence band of the compound, large charge injection can be achieved, and blue light generated by the organic electroluminescent blue light device is enabled to have high external quantum efficiency and high brightness.
Owner:HUAZHONG UNIV OF SCI & TECH

Automatic cleaning system for ink box of printer

InactiveCN106808805APlay a role in controlling flowSimple structureOther printing apparatusEngineeringControl valves
The invention an automatic cleaning system for an ink box of a printer and solves a problem of time and energy waste of ink jet device cleaning in the prior art. The system includes a spread head and an ink box. The spread head is connected with the ink box through a connection device. The connection device includes an upper connection pipe, a ball-shaped shade and a lower connection pipe. One end of the upper connection pipe is communicated with the ink box through a control valve while the other end of the upper connection pipe is communicated with the upper end of the ball-shaped shade. The lower end of the ball-shaped shade is communicated with the lower connection pipe while the other end of the lower connection pipe is communicated with the spread head. The upper part of the ball-shaped shade is provided with an opening. The automatic cleaning system is simple in structure and convenient in use. Since the ball-shaped shade is arranged on the pipeline communicating the ink box with the spread head, an aim of injecting cleansing agent into the spread head under the premise of not increasing the size and not dismounting the spread head is realized and an effect of controlling the flow rate is also realized.
Owner:周利军

Skid-mounted wellhead injection device and method for gel dispersoid soft body heterogeneous composite oil displacement system, and application

ActiveCN110094190ARealize online injectionRealize online mixingFluid removalOil fieldHigh pressure
The invention relates to the field of oil field profile control and displacement, in particular to a skid-mounted gel dispersoid production device, a gel dispersoid and a preparation method and application of the gel dispersoid. The skid-mounted gel dispersoid production device comprises a pump suction system, a stirring and mixing system and a wellhead pumping-in system; the pump suction system is used for pumping all components of a gel dispersoid soft body heterogeneous composite oil displacement system into the stirring and mixing system to be mixed on line, thus the gel dispersoid soft body heterogeneous composite oil displacement system is obtained and pumped into a well through the wellhead pumping-in system; the pump suction system comprises two or more pumps, and all the components are pumped by the two or more pumps correspondingly; and the wellhead pumping-in system comprises a high-pressure plunger pump for pumping the gel dispersoid soft body heterogeneous composite oil displacement system in the stirring and mixing system out of and into a wellhead. The skid-mounted gel dispersoid production device can achieve online blending and injecting of the two or more components, the long-time and large-scale profile control and displacement operation demands can be met, and the skid-mounted gel dispersoid production device is especially suitable for continuous blending andinjection in complex environments such as mud flats, hills and offshore operation platforms.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA) +4

Preparation device of semisolid slurry

The invention discloses a preparation device of a semisolid slurry. The preparation device of the semisolid slurry comprises a support, a heating device, a fixing plate and a crucible, wherein the fixing plate is rotatably arranged on the support, the crucible is arranged on the fixing plate, the crucible is configurated to contain a melt, the heating device is arranged on the support in slidablemode, the heating device is provided with heating holes, and the heating device can sleeve the outer side of the crucible so as to heat the crucible. The preparation device of the semisolid slurry reduces internal and external temperature difference of the melt, improves uniformity of a temperature field of the melt, and is adaptive to preparation of the slurry wide in solid content range.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Pipe column and method used for layered chemical sand prevention

The invention discloses a pipe column and a method used for layered chemical sand prevention. The pipe column comprises an upper layer filling assembly, an interlayer packer and a lower layer filling assembly which are connected in sequence from top to bottom; the upper end of the upper layer filling assembly is connected with an upper connector; the lower end of the lower layer filling assembly is connected with a lower connector; the upper layer filling assembly comprises an upper inner sliding sleeve and an upper outer sliding sleeve which are arranged in an internal-external sleeving mode; the lower end of the upper inner sliding sleeve is connected with an upper inner pressure spring; the upper end of the upper outer sliding sleeve is connected with an upper outer pressure spring; and an upper layer filling channel is formed between the upper inner sliding sleeve and the upper outer sliding sleeve. The lower layer filling assembly comprises a lower inner pipe and a lower outer sliding sleeve which are arranged in an internal-external sleeving mode; the lower end of the lower outer sliding sleeve is connected with a lower outer pressure spring; and a lower layer filling channel is formed between the lower inner pipe and the lower outer sliding sleeve. Layered sand consolidating agent injection of the immovable pipe column can be achieved, and the immovable pipe column can completely conduct reverse well washing at any time according to the needs, so that a sand consolidating agent is prevented from being regurgitated and solidified in the well.
Owner:CHINA PETROLEUM & CHEM CORP +1

Wall repainting device for indoor decoration

InactiveCN108729629AQuick coveragePrevent overload damageBuilding constructionsButt jointEngineering
The invention discloses a wall repainting device for indoor decoration. The wall repainting device for indoor decoration comprises a main storage shell; a bottom mounting base plate is arranged on theside surface of the main storage shell; and the main storage shell and the bottom mounting base plate adopt an integrated structure. Pressure is applied to liquid painting coating by air pressure with controllability, so that the liquid coating is ejected from a high-pressure ejecting gun, the ejected mist-shaped whitewash can cover the wall surface rapidly, the labor intensity is reduced and thewhitewash efficiency is improved; furthermore, the device is provided with a control mechanism for preventing the air pressure intensity from being too high, so that the non-uniform ejecting phenomenon caused by too high injected air pressure can be effectively avoided; in addition, the device is provided with a control mechanism for preventing overload of an electromotor and can effectively prevent the phenomenon that the electromotor is overloaded and damaged caused by too high air pressure; and the device is provided with a middle clamping and inlaying mechanism, can realize butt joint effect and can guarantee that air leakage of a butt joint part is avoided, so that injection of raw materials and cleaning of the internal parts of parts are realized and the practicability is high.
Owner:郭超强

Oil field block overall profile adjusting device and adjusting method

The invention discloses an oil field block overall profile adjusting device and adjusting method. A first chemical charging device 2 of a water injection station is mainly used for charging a blockagerelieving agent to a well site. A second chemical charging device on an oil production well site is used for charging a diverting agent. The oil field block overall profile adjusting device realizesoverall profile adjusting on water injection wells, requiring profile adjusting, administrated by the whole water injection station from original single-well profile adjusting operation changed to block overall profile adjusting operation, the construction efficiency is greatly improved, the construction cost is saved, the construction process is simplified, and the construction time is shortened.The oil field block overall profile adjusting device and adjusting method have the important significance on block water injection well profile adjustment.
Owner:PETROCHINA CO LTD

Spraying type water injection device and water injection type double mirror jointing method

The invention provides a spraying type water injection device and a water injection type double mirror jointing method. The spraying type water injection device comprises a water tank (1), a plurality of nozzles (2) and a water injection joint (3), wherein the water tank (1) is provided with an inner chamber; the nozzles (2) are communicated with the water tank (1); the nozzles (2) are arranged on the water tank (1); and the water injection joint (3) is communicated with the water tank (1) and is arranged on one side of the water tank (1). According to the water injection type double mirror jointing method, during a jointing process of a double mirror attaching step, the spraying type water injection device is used for injecting water into a clearance which is formed between a double mirror base blank and a surface material at a jointing moment. The water injection type double mirror jointing method and the spraying type water injection device provided by the invention can be used for discharging the air generated during the jointing process, thereby avoiding forming air bubbles on a jointed surface of the double mirror, being bright in color and clear in lines, and achieving a water-permeating surface effect.
Owner:江苏今越控股集团有限公司

Multiple thermal fluid generation system with injection function and method of system

The invention belongs to the technical field of petrochemical industry, and discloses a multiple thermal fluid generation system with an injection function and a method of the system. A thermal isolation component is fixed on an aluminum profile support through a thermal isolation component support, a piston container group is fixed on the aluminum profile support through a piston container groupsupport, and a supercritical medium tank is fixed on the aluminum profile support through a stirring component; and the supercritical medium tank is connected with a high-temperature high-pressure one-way valve and the thermal isolation component, and the thermal isolation component is connected with the piston container group. Compared with other stirring containers, the system provided by the invention adopts a segmented temperature-control manner, divides the piston container group and the supercritical medium tank into two different-temperature portions, and ensures reliability of sealingand effectiveness of stirring while satisfying the injection function and the stirring function; and the design of multiple piston containers enables real-time injection of multiple fluid media.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Sample injector for measuring properties of wax oil with high solidifying point

The invention relates to a sample injector for measuring the properties of wax oil with a high solidifying point. The sample injector consists of a near-infrared instrument sample cell clamping member, an oil-resistant rubber sealing pad, a quartz sheet, a polytetrafluoroethylene sealing pad, a sample cell, a positioning bolt, and a quartz scraping / pressing sheet; the oil-resistant rubber sealing pad is arranged on the surface of the near-infrared instrument sample cell clamping member, the quartz sheet is arranged on the oil-resistant rubber sealing pad, the polytetrafluoroethylene sealing pad is arranged on the quartz sheet, then the near-infrared instrument sample cell clamping member, oil-resistant rubber sealing pad, quartz sheet, and polytetrafluoroethylene sealing pad are connected and fixed by the positioning bolt, and a sample cell is formed in the space formed by the quartz sheet, polytetrafluoroethylene sealing pad, and positioning bolt. The wax oil which cannot be sampled at a room temperature is melted by heating or liquefied and then is injected into the sample cell of the sample injector. When the sample cools to the room temperature and solidifies, the whole sample injector is placed into a near-infrared instrument, the sample can be directly measured so as to obtain a near-infrared spectrum of the wax oil sample, thus basic data of an established wax oil near-infrared model can be measured, and the property evaluation of wax oil is obtained.
Owner:PETROCHINA CO LTD
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