48results about How to "Normal cycle" patented technology

The invention belongs to the field of oil gas development, and particularly relates to an electric control fluid drive coiled tubing downhole retractor. The electric control fluid drive coiled tubing downhole retractor comprises an upper slip support and traction system, a center slip pipe assembly, a control system and a lower slip support system, wherein the upper slip support and traction system is sleeved on the upper part of the center slip pipe assembly in a sliding manner, and can slide along the center slip pipe assembly up and down; and the control system and the lower slip support system are fixed on the lower part of the center slip pipe assembly. The retractor provided by the invention has the advantages that the control flexibility is better, the retractor is suitable for small hole downhole traction operation, the normal downhole fluid cycle is ensured in a traction process, the flexible winding adaptive ability is strong in the traction process, and the retractor can realize two-way traction; and most of retractors in China only can realize a single direction traction motion, the retractor provided by the invention can smoothly drag a pipe column to realize taking-out and putting-down operations, the flexibility is good, and the retractor can realize effective power-off protection.

The invention relates to a simple, high-efficiency and reliable cold-warm air-conditioning water heater, which comprises a refrigerant loop, a hot-water condensing heat exchanger, a hot-water storing box and a signal acquisition and circuit control system. A scheme I of the invention is characterized in that: an exhaust opening of a compressor is connected with an air inlet of a three-way valve; a first air outlet of the three-way valve is connected with a refrigerant inlet of the hot-water condensing heat exchanger, and a second air outlet is connected and communicated with a first interfaceof a four-way valve and a refrigerant outlet of the hot-water condensing heat exchanger; a second interface, a third interface and a fourth interface of the four-way valve are respectively connected with the upper ports of an outdoor-wind heat exchanger and an indoor-wind heat exchanger and an air inlet of an air-liquid separator, and a capillary is connected in series between the lower ports of the outdoor-wind heat exchanger and the indoor-wind heat exchanger; an air outlet of the air-liquid separator is connected with an air inlet of the compressor; and an electromagnetic guide-valve low-voltage air-outlet pipe of the three-way valve is communicated with an air-sucking pipe of the compressor, and an electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with an exhaust pipe of the compressor. A scheme II of the invention is characterized in that: the hot-water condensing heat exchanger is added between the exhaust opening of the compressor of a refrigerant-circulating loop of a cold and warm air conditioner and an air inlet of the four-way valve, and the electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with the exhaust pipe of the compressor; and the two technical schemes both have four functions of hot-water making and refrigerating, hot-water making, refrigerating and heating.

Usage ratio of cobalt ion in material of positive pole is only 50% currently. The treating method disclosed in the invention includes following steps: coating a layer of metallic oxide film on surface of LiCoO2 granules; carrying out drying and sintering treatment. Features of the product produced from the method are: improving high temperature property, cyclical stability, stability of anti overcharge; postponing ascend of internal resistance in charging procedure. The battery is posible to be charged at higher voltage. The method raises weight of material and volume energy density more than 20%.

Disclosed are a liquid nitrogen freezing system of a high water pressure super-long-distance large-sectional tunnel and a method of quickly changing shield tail brushes. The system comprises a liquid nitrogen storage tank, a main gate valve, a liquid supply pipe, distributors, liquid distributing pipes, freezing pipes, gas colleting pipes, exhaust pipes, a temperature measuring hole and cold discharge pipes. The liquid nitrogen storage tank is connected with the liquid supply pipe provided with the main gate valve. Two branches of the liquid supply pipe are connected with the distributors respectively; each distributor includes 8 to 10 branches, each branch is connected with a group of series freezing pipes through one liquid distributing pipe, each group of last freezing pipes is connected with one gas collecting pipe and is connected with one exhaust pipe through the gas collecting pipe; the exhaust pipes discharge vaporized nitrogen into air; the front ends of the cold discharge pipes are connected with the liquid distributing pipes, and the their tail ends are connected with the gas collecting pipes. The method of quickly changing the shield tail brushes is further provided. The system and the method are suitable for the projects of quickly changing the shield tail brushes for the high water pressure super-long-distance large-sectional tunnels; the system and the method have the advantages such as high forming speed of a frozen wall, high strength, no toxicity or pollution, safety and reliability in use, and convenience in construction.

The invention discloses a MXene aerogel lithium negative electrode current collector capable of rapidly charging and discharging at a high rate and a preparation method thereof, and a MXene aerogel current collector is obtained by compounding two-dimensional transition metal titanium carbide and reduced graphene oxide (rGO). The MXene aerogel current collector is a nanoporous structure and has a pro-lithium functional group. The MXene aerogel lithium negative electrode current collector is applied to a lithium-lithium iron phosphate full battery, and the high-rate rapid charging and discharging of a battery is achieved.

The invention discloses a stirring reaction still which comprises a still body. A cover is arranged in the middle of the upper end of the still body, a motor is arranged at the upper end of the cover, a shaft sleeve is arranged in the cover, a stirring shaft sequentially penetrating through the cover, the shaft sleeve and the still body is arranged at the output end of the motor, and a plurality of stirring blades are evenly arranged on the stirring shaft. An air inlet is formed in the left side of the cover, an air outlet is formed in the right side of the cover, a water curtain is arranged on the air inlet, a mesh is formed in the middle of the water curtain, and a fan is arranged on the air outlet. An air guide shaft is arranged on one side of the shaft sleeve and exactly faces the air inlet, and a spiral air guide plate is spirally distributed on the outer wall of the air guide shaft in the axial direction. A flow guide inlet is formed in the right side of the upper end of the still body, a flow guide outlet is formed in the bottom end of the still body, a circulating pipeline is arranged between the flow guide outlet and the flow guide inlet, and a pump is arranged on the circulating pipeline. The stirring reaction still is simple in structure, convenient to use and good in stirring effect, the stirring shaft can be cooled, and the service life of the stirring shaft can be prolonged.

The invention relates to a vapor chamber structure which comprises a first plate body, a second plate body, a cavity, a supporting structure and working fluid. The first plate has a first surface and a second surface; the second plate body has a third surface and a fourth surface; the cavity is defined when the first plate body and the second plate body are correspondingly covered, and a capillary structure is arranged in the cavity and attached to the inner wall; the supporting structure exists in the cavity and is used for supporting the first plate body and the second plate; the working fluid is sealed in the cavity; and the supporting structure is composed of a third plate body and a protruding column, the protruding column is arranged on the third plate body and is further provided with a sinking part, and the vapor chamber structure can achieve the effect of being light through the supporting structure.

The invention discloses an ultralow-temperature refrigeration type single-cooling split air conditioner and an ultralow-temperature refrigeration method thereof. The single-cooling split air conditioner comprises an evaporator, a compressor, a condenser, a first bypass electronic expansion valve, a pressure-splitting capillary tube and a liquid storage tank, wherein the compressor, the condenser and the evaporator form refrigerant circulation, the liquid storage tank is connected between the condenser and the evaporator in series, the capillary tube is connected between the liquid storage tank and the condenser in series, and the first electronic expansion valve is connected to the capillary tube and the condenser both connected in series in parallel. According to the air conditioner, the system circulation pressure on the condensation side is maintained by lowering the heat exchange strength in a condenser tube in a continuous adjustable mode, and therefore normal refrigerant circulation of a refrigerating system can be maintained, and refrigeration can still be normally carried out on the condition of ultralow outdoor environment temperature. The invention further discloses the ultralow-temperature refrigeration method of the single-cooling split air conditioner.

The present invention provides a cleaning method of water electrolysis cell. The procedure is: 1) The electrolyte in the small electrolysis compartment, i.e. the mixed solution of double distillation water and potassium hydroxide, is drained back to alkali box, and then the small electrolysis compartment is cleaned with double distillation water by means of circulating double distillation water between the small electrolysis compartment and a spare alkali box. Circulating is repeated over 2 times to fully mix double distillation water and the residual potassium hydroxide in the small electrolysis compartment. 2) The mixed solution is pumped back to alkali box, and laid aside for a certain time to form precipitation. A certain amount of potassium hydroxide solution is prepared so much so that the concentration conforms to the specified proportion of double distillation water to potassium hydroxide for restarting electrolysis. 3) The small electrolysis compartment is thoroughly cleaned with tap water and the washed water is directly discharged. 4) The small electrolysis compartment is washed with double distillation water and the washed water is directly discharged. The main point of the present invention is using double distillation water to clean electrolysis cell, which decreases potassium hydroxide consumption and production cost, and makes pollution-free discharge of washed water so that the defect of the existing cleaning methods would be overcome.

The invention discloses an intraocular lens which comprises an optical body and a support. Each of the optical body and the support is provided with a front surface and a rear surface. The front surface of the intraocular lens is provided with a plurality of protrusions on the part of the support, close to the edge of the optical body. After the intraocular lens is positioned in a posterior chamber, the protrusions contact with the iris. At least at the position around the protrusions, additional gaps are formed between the front surface of the intraocular lens and the iris and form additional channels for aqueous humor, and the aqueous humor in the posterior chamber is driven to flow into the pupil from the additional channels by bypassing the intraocular lens and enter the anterior chamber.

The invention discloses a water curtain fan cooling system for a greenhouse. The water curtain fan cooling system for the greenhouse comprises a fan, a water curtain, a water inlet pipe, a water return pipe, a water pump and a pool, wherein one end of the water inlet pipe is connected to the water pump and the other end of the water inlet pipe is connected to the upper part of the water curtain; one end of the water return pipe is connected to the lower part of the water curtain and the other end of the water return pipe is connected to the pool; and the fan is arranged opposite to the water curtain and is apart from the water curtain in a certain distance. The water curtain fan cooling system for the greenhouse adopts a mode of combining the water curtain with the fan, so that the greenhouse environment temperature of flowers and plants in summer is reduced, air in the greenhouse is circulated normally and the flowers and the plants can grow healthily.

The invention relates to an ultralow-temperature resistant lithium battery electrolyte. The ultralow-temperature resistant lithium battery electrolyte comprises an organic solvent, a lithium salt electrolyte and an additive, wherein the additive is selected from one or more of potassium bromide, bi(trifluoromethanesulphonyl) sodium imide, bi(trifluoromethanesulphonyl) potassium imide and bi[bi(trifluoromethanesulphonyl) imide] zinc, and the mass content of the additive accounts for 0.05-0.15%. The potassium bromide with special content is used as the additive applied to an organic solvent of the lithium salt electrolyte, so that the electrolyte also has relatively high conductivity under a condition of 0 DEG C (particularly an extremely low temperature condition of (-60)-(-80) DEG C, so that normal circulation of the lithium battery is ensured, and the cycle property and the safety of the lithium battery under the extremely low temperature condition are substantially improved.

The invention relates to the technical field of wireless Internet of Things, and only discloses a multi-network integration mine wireless Internet of Things communication system. The multi-network integration mine wireless Internet of Things communication system comprises a ground monitoring center, mine intrinsic safety type communication nodes, a mine intrinsic safety type personnel tracking andpositioning card, a mine intrinsic safety type miner positioning communication terminal and a mine intrinsic safety type signal repeater; the ground monitoring center is composed of a system server,a gigabit switch, a radar transceiver and a UPS power supply; the ground monitoring center is mainly used for receiving, processing and storing data sent by an underground wireless network, and displaying processed data on display equipment of the monitoring center in real time; and the communication nodes are wirelessly connected and automatically networked. Equipment circuits adopt low power consumption design, and the battery replacement cycle is long. The multi-network integration mine wireless CommTrac Internet of Things system has the current international advanced level and is sensitiveand accurate in monitoring, real-time and visual in map display, stable and reliable in performance and easy to use and maintain.

The invention discloses a multi-functional cupping device. The device comprises a cupping jar body, a support board, a connecting pulling rod, an operation handle and a controller. The cupping jar body has a dual-layer hollow structure including an outer housing and an inner housing. The support body is arranged in the cupping jar body. The cupping jar body is divided into a first inner cavity anda second inner cavity through the support board. The top of the cupping jar body is equipped with an air guide hole communicating with the first inner cavity. A sealing sleeve is arranged in the airguide hole. The support board is connected with the operation handle through the connecting pulling rod by passing through the sealing sleeve. The device also comprises an air exhaust and discharge device and a medicine injection device, both of which communicate with the second inner cavity. The interior of the second inner cavity is also equipped with a pressure detector, a temperature detectorand a heating device, all of which are further electrically connected with the controller. The multi-functional cupping device can meet different treatment needs, is good in comfortability, excellentin effect, high in controllability, simple in operation and convenient in application and suitable for promotional use.

The invention relates to a platelet drug delivery system for targeting tumors and improving radiotherapy sensitivity. The platelet drug delivery system is a rat platelet drug delivery system, and is amixture of mPEG-PCL modified atorvaquone, PEG modified nanogold and rat platelets, namely Ato-Au@Plt; and the tumor targeting is characterized in that the platelet drug delivery system adopts platelets as a carrier to realize in-vivo long circulation and tumor microenvironment targeted drug release, so the radiotherapy sensitivity of tumors is improved. The platelet carrier is activated through atumor microenvironment, and is deformed and aggregated to release a drug in a targeted manner; and the released drug can inhibit oxidative phosphorylation of tumor cells and solve hypoxia, and the drug and the nanogold have a synergistic effect, so that the sensitivity of tumors to radiotherapy is improved, and the radiotherapy treatment effect is further improved.

Usage ratio of cobalt ion in material of positive pole is only 50% currently. The treating method disclosed in the invention includes following steps: coating a layer of metallic oxide film on surface of LiCoO2 granules; carrying out drying and sintering treatment. Features of the product produced from the method are: improving high temperature property, cyclical stability, stability of anti overcharge; postponing ascend of internal resistance in charging procedure. The battery is posible to be charged at higher voltage. The method raises weight of material and volume energy density more than 20%.

The invention discloses a computer screen protective film production method, comprising the following steps: step 1: material preparation, a traction film is laminated under a protective film througha laminating machine to obtain raw materials; step 2: die cutting: the protective film is punched into a rectangular body by a die cutting machine and cut off; step 3: peeling: the traction film bypasses the top of a blade and is pulled downward, and the rectangular body moves horizontally and separates from the traction film; step 4: dust removal: the rectangular body falls onto a conveyor belt of an electrostatic precipitator, the dust on the surface of the rectangular body is removed through the electrostatic precipitator; step 5: static electricity removal: the static electricity on the surface of the rectangular body is removed through an ion blower; step 6: collection: the rectangular body is collected to obtain a finished protective film. After die-cutting of the raw material, the traction film is directly peeled off, and the process steps are optimized, so that production efficiency is improved.

The invention discloses a spongy activated carbon porous material for oil absorption and decontamination and a preparation process thereof. The defects that activated carbon is powdery, is unable to recycle and cannot fully float on a water surface are overcome, and at the same time, the detects that treatment is incomplete, recycling cannot be achieved and secondary pollution exists in a current oil spill pollution treatment method are also overcome. Through a polymerization reaction of polyvinyl alcohol and formaldehyde and foaming to form pores, the activated carbon / organic composite material which can be reused and has a three-dimensional network pore structure is prepared. Compared with powdery activated carbon and block activated carbon, the prepared flexible composite material has low density of 0.1977 g / cm<3>, can fully float on the water surface in the use process, is conducive to adsorption of floating oil films, and is convenient to recycle and reuse. The prepared porous composite material is spongy, has rich and developed hierarchical pore structure, can effectively solve the problem of marine pollution caused by marine oil spill, further improves the marine climate, makes biological chain circulation back to normal, and makes the ocean restore ecological balance.

The invention belongs to the field of oil and gas field development and relates to a tractor used for drilling, logging and well repair engineering of a coiled tubing and favorable for the coiled tubing to extend into a horizontal well section for a longer distance. A motor-driven underground tractor for the coiled tubing comprises an upper tractor system, a hexagonal central sliding pipe and a lower tractor system, wherein the upper tractor system comprises an upper supporting unit, an upper electric drive and control unit and an upper traction unit; and the upper tractor system and the lower tractor system have the same structure, and are connected at the upper part and the lower part of the hexagonal central sliding pipe respectively in a sleeving way and mounted in the same or opposite direction. The tractor is directly driven and controlled by a servo stepper motor, so that the dependence on liquid energy in the process of driving the tractor by using circulating liquid and the complexity of control of a hydraulic valve of the circulating liquid on a pipeline are reduced and most of space occupied by the hydraulic pipeline is saved; and the tractor can perform dual-direction traction, is good in stability, flexible in traction and fast in traction speed, can be suitable for underground traction work of small well holes, and can guarantee normal underground liquid circulation in the traction process.

The invention discloses an ultra-low temperature refrigeration method for an ultra-low temperature refrigeration single cooling split type air conditioner. The cooling-only split air conditioner includes an evaporator, a compressor, a condenser, an electronic expansion valve for bypass, a capillary for pressure division, and a liquid storage tank. When the outdoor temperature is higher than 15°C, the system circulation pressure of the refrigerant cycle on the condensing side is maintained by adjusting the fan speed of the outdoor condenser; , the superheated steam refrigerant discharged from the compressor is bypassed directly before the liquid storage tank, and mixed with the low-temperature liquid refrigerant that has been heat-exchanged by the outdoor condenser to become a high-temperature two-phase refrigerant. The invention reduces the heat exchange intensity in the condenser tube in a continuously adjustable way to maintain the system circulation pressure on the condensation side, thereby maintaining the normal refrigerant circulation of the refrigeration system and achieving normal refrigeration under the condition of ultra-low outdoor ambient temperature .

The invention discloses an evaporator defrosting and deicing assembly, and belongs to the technical field of evaporator deicing and defrosting. The evaporator defrosting and deicing assembly aims at solving the problems that when a current evaporator conducts automatic defrosting and deicing work, automatic cleaning cannot be achieved, cleaning work is complex, and time and labor are wasted. The evaporator defrosting and deicing assembly comprises a cold storage and an evaporator installed on the ceiling of a cold storage, and also comprises at least one crushed-ice removal transporting device, and the crushed-ice removal transporting device is located under the evaporator; a conveying belt is arranged at the lower portion of the tail end of the crushed-ice removal transporting device, anda crushed-ice collecting groove is formed in the tail end of the conveying belt. According to the evaporator defrosting and deicing assembly, it can be achieved that crushed ice is automatically removed through the crushed-ice removal transporting device, normal using of the cold storage is not influenced, and meanwhile a large amount of time and labor can be saved.

A traditional Chinese medicine composition for treating metrorrhagia and metrostaxis with kidney yin deficiency symptom is made from herb of Hypericum attenuatum, fresh Rehmannia root, common Macrocarpium fruit, Yerbadetajo herb, paper mulberry root, wood of fortune windmillpalm, herb of Ardisia mamillata, flower, root or stem-leaf of Rhododendron mucronatum, and rhizome of Panax japonicus. The traditional Chinese medicine composition is clinically applicable to treating metrorrhagia and metrostaxis with kidney yin deficiency symptom.

The invention provides a plaster for cervical vertebra and lumbar vertebra and a preparation method thereof, and relates to the technical field of medicine preparation. The plaster for cervical vertebra and lumbar vertebra comprises raw semen strychni, safflower, rheum officinale, radix aconiti, radix aconiti agrestis, angelica sinensis, eucommia ulmoides, ligusticum wallichii, scorpio, ground beetle, rhizoma atractylodis macrocephalae, frankincense, myrrh, ephedra and centipede. The preparation method of the ointment comprises the following steps: crushing the raw materials, sieving by a 70-80-mesh sieve to obtain fine powder, adding the sesame oil into the fine powder, performing decocting at 50-60 DEG C for 48-72 hours, performing filtering to obtain medicinal oil, adding the rosin, the single garlic, the green Chinese onion, the folium artemisiae argyi and the ginger into the medicinal oil, and performing decocting at 60-70 DEG C for 24-48 hours to obtain the ointment. The plaster disclosed by the invention can be used for quickly diminishing swelling and relieving pain, has a remarkable treatment effect on connective tissue and nervous tissue injury caused by spondylodynia, and is small in irritation, quick in response and good in curative effect. According to the preparation method disclosed by the invention, the raw materials are reasonably treated, so that effective components of the raw materials play a better role, the efficacy of the plaster is further improved, and the curative effect is better.

The invention provides an underground comprehensive refrigerating method and belongs to the field of underground refrigerating ventilation equipment. According to the method, water in a water tank serves as a refrigerant to be conveyed to a refrigerating machine through a water pump, water in a refrigerating bin in the refrigerating machine is cooled to form cold water through the water in the water tank by the refrigerating machine, the cold water generated at the water outlet of the refrigerating machine is conveyed to one end of a coil pipe fan in a mine shaft through a water conveying pipeline by a high-pressure water pump, the other end of the coil pipe fan is connected to the refrigerating machine through a water return pipeline, and cold air is blown out by the coil pipe fan through the cold water entering the coil pipe fan. Therefore, the refrigerating effect is good, the underground water inflow quantity cannot be increased, and the refrigerating cost can be satisfactorily controlled.

The invention relates to an ultra-low temperature resistant lithium battery electrolyte, which comprises: an organic solvent; a lithium salt electrolyte; an additive, the additive being selected from potassium bromide, bis(trifluoromethylsulfonyl)imide sodium, bis(tri One or more groups of potassium fluoromethylsulfonyl)imide and zinc bis[bis(trifluoromethanesulfonyl)imide], the mass content of which is 0.05%-0.15%. By using a specific content of potassium bromide as an additive and applying it to an organic solvent containing a lithium salt electrolyte, the electrolyte has a high conductivity below 0°C (especially at extremely low temperatures of -60°C-80°C) , so as to ensure the normal progress of the lithium battery cycle, and greatly improve the cycle performance and safety performance of the lithium battery under extreme low temperature conditions.

The invention relates to a traditional Chinese medicine composition for treating uterus blood stasis type metrorrhagia and metrostaxis. The traditional Chinese medicine composition is prepared from rhododendron simsii, swertisin soaked roots, centella, assorted Chinese herbal tea, rubia cordifolia, hypericum attenuatum, trachycarpus wood, salvia yunnanensis, narrow leaf panax japonicus and paper mulberry roots. The traditional Chinese medicine composition can be used for treating the uterus blood stasis type metrorrhagia and metrostaxis in clinics.

The invention discloses an infusion bottle device for an ambulance. The infusion bottle device comprises an ambulance bottom plate and a roof corresponding to the ambulance bottom plate. The ambulance bottom plate is fixedly connected with the two sides of the roof through two carriage bodies respectively. The roof comprises a fixing box which is internally provided with a fixing groove with a sliding hole, and a roof inner groove communicated with the sliding hole is formed in the roof. The roof inner groove is internally provided a rotating wheel driven by a first motor, the rotating wheel is provided with a lifting rope ascending and descending in the sliding hole, and an infusion bottle box corresponding to the fixing groove and sliding vertically in the fixing groove is connected to the end of the lifting rope. When the infusion bottle device is used, the first motor is used for rotating to drive the infusion bottle box to ascend and descend and can fix the infusion bottle box into the fixing box, and the problem of wobbling or colliding of an infusion bottle due to random wobbling of the infusion bottle box can be solved during automatic ascending and descending.

The invention relates to the technical field of hemorrhoid medicine preparation, and provides an external hemorrhoid medicine, hemorrhoid steamed lotion and a preparation method thereof. The hemorrhoid medicine for external use includes the following raw materials in parts by weight: 50-200 parts of cold water flower, 300-500 parts of large thistle, 10-30 parts of white lentil, 10-50 parts of wormwood, 15-30 parts of motherwort and 25-parts of asparagus 150 servings. Hemorrhoid steaming lotion includes topical hemorrhoid medicine, cooling agent and antibacterial agent. The external hemorrhoid medicine and the hemorrhoid steaming lotion have good medicinal effect and fast curative effect, and can quickly treat hemorrhoids. The preparation method of the hemorrhoid medicine for external use can well retain the active ingredients of the medicinal materials and improve the efficacy of the medicinal materials. The preparation method of the steamed lotion for hemorrhoids is simple in operation, convenient in use, and economical and practical.