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37results about How to "Will not pollute each other" patented technology

Slow cooling sand box for lost foam casting

The invention discloses a slow cooling sand box for lost foam casting, and the slow cooling sand box comprises a rectangular box body, wherein the upper part of the box body is opened and is covered by a box cover, four partition plates which are matched with the shape of a cavity in the box body are arranged in the box body, the head and the tail of each partition plate are spliced with one another, the bottom of the box body is provided with an installation clamping groove for the partition plates to be inserted in the direction of the inner wall of the box body, each partition plate is inserted into the corresponding installation clamping groove, a gap is formed between each partition plate and the inner wall of the box body, so that the partition plates and the inner wall of the box body form an air pumping chamber together, and the plate surface of each partition plate is provided with a plurality of through holes; one side surface of the outer wall surface of the box body is provided with an exhaust pipe, one end of the exhaust pipe communicates with an exhaust chamber in the box body, and the other end of the exhaust pipe is connected with a negative pressure system; and aninterlayer is arranged in the partition plate, a gauze layer and a heat-preservation cotton layer are inserted into the interlayer, the gauze layer is close to the center of the box body relative to the heat-preservation cotton layer, and the heat-preservation cotton layer comprises a plurality of layers of heat-preservation cotton. The slow cooling sand box for lost foam casting solves the problem that the cooling time of the sand box is too short, thereby ensuring the quality of castings.
Owner:宝武特冶航研科技有限公司

Device and method for evaluating saturation capacity of moveable oil in shale

The invention discloses a device for evaluating saturation capacity of moveable oil in shale. The device comprises an airtight sample tank, a sample tank cover, a first graduated tube, a second graduated tube, a vacuum pump, a four-way valve, a communicating port, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a first stop valve, a second stop valve, a third stop valve and a fourth stop valve, wherein the sample tank cover is arranged above the airtight sample tank; the communicating port is formed in the sample tank cover; one end of the first pipeline is communicated with the airtight sample tank while the other end is communicated with the four-way valve; the first stop valve is arranged on the first pipeline; the first graduated tube is connected with the four-way valve through the second pipeline; the second stop valve is arranged on the second pipeline; the second graduated tube is connected with the four-way valve through the third pipeline; the third stop valve is arranged on the third pipeline; the vacuum pump is connected with the four-way valve through the fourth pipeline; the fourth stop valve is arranged on the fourth pipeline. The broken sample is used by the device; the efficiency is increased; the two graduated tubes are used for respectively injecting KCl solution and alkane; the pollution in an experimental process is reduced; the result is accurate.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Array surface acoustic wave paper-based microfluidic system for rapidly detecting heavy metal ion concentration

The invention relates to an array surface acoustic wave paper-based microfluidic system for rapidly detecting heavy metal ion concentration. The system comprises a substrate; a paper-based electrochemical three-electrode system is arranged on the upper surface of the substrate; two sides of the paper-based electrochemical three-electrode system are provided with array linear interdigital transducers; the lower surface of the substrate is provided with a diaphragm; and the diaphragm is provided with a temperature control structure corresponding to the position of the paper-based electrochemicalthree-electrode system. When the system is used, a cyclic volt-ampere detection program carried in a smart phone sends digital signals; the digital signals are converted into voltage signals througha Bluetooth module, a micro controller and a digital-to-analog conversion module; a potentiostat for electrochemical measurement is controlled to apply a voltage to the paper-based electrochemical three-electrode system; the paper-based electrochemical three-electrode system undergoes an oxidation-reduction reaction, so that current signals can be obtained; the current signals are converted into digital signals through the potentiostat for electrochemical measurement and the micro controller; and the digital signals are outputted to the cyclic volt-ampere detection program carried in the smartphone through the Bluetooth module, so that a cyclic volt-ampere curve graph can be obtained. The system of the invention has the advantages of capability of realizing precise control, high simplicity, high portability and high efficiency.
Owner:XI AN JIAOTONG UNIV

Engine oil bottle capable of pouring engine oil out quantitatively

The invention relates to an engine oil bottle, in particular to an engine oil bottle capable of pouring engine oil out quantitatively. The invention provides the engine oil bottle which can protect remaining engine oil from being polluted easily and is capable of pouring the engine oil out quantitatively. In order to solve the technical problem, the invention provides the engine oil bottle capable of pouring the engine oil out quantitatively. The engine oil bottle capable of pouring the engine oil out quantitatively provided by the invention comprises a bottle body, a discharging pipe, a bottle cap and the like; the discharging pipe is arranged in the center of the top of the bottle body; the upper part of the discharging pipe is in threaded connection with the bottle cap; two partition plates are arranged in the bottle body, so that the bottle body is divided into three spaces with equal size, namely a region A, a region B and a region C in sequence from top to bottom, by the partition plates; and a discharging device is arranged in each partition plate. According to the engine oil bottle capable of pouring the engine oil out quantitatively, the engine oil in the region A, the engine oil in the region B and the engine oil in the region C is separated through the partition plates, so that the engine oil in the region B is used after the engine oil in the region A is used up, and then after the engine oil in the region B is used up, the engine oil in the region C is used.
Owner:山东酷品智能科技有限公司

Smart kitchen dishwasher

The invention discloses a smart kitchen dishwasher. The dishwasher comprises a box body, and the box body is internally divided into an upper box chamber, a first cleaning chamber, a second cleaning chamber, a third cleaning chamber and a drying chamber through a transverse net plate and three vertical plates; an inlet door and an outlet door are hinged to the left and right sides of the upper boxchamber respectively, a servo driving device is transversely installed at the top of the upper box chamber, a guide bock penetrates through the servo driving device and is slidingly connected to thetop of the box body through a sliding block, a supporting rod is installed on an output shaft of a motor at the bottom of the guide block, and a downward electric push rod and a vacuum pump are installed on the supporting rod; a water pump is provided with an upward drainage pipe, and thermometers are installed at one side of the exterior of the first cleaning chamber, one side of the exterior ofthe second cleaning chamber and one side of the exterior of the third cleaning chamber. The smart kitchen dishwasher conducts the processes of pre-cleaning, main cleaning, flushing and drying separately and independently, the cleaning quality is ensured, an automatic transfer mode is adopted, and the efficiency of feeding dish racks in the cleaning process is improved.
Owner:佛山市高芯科技服务有限公司

Dry-type granulated slag and sludge coupling drying process and device

The invention discloses a dry-type granulated slag and sludge coupling drying process and device, and the process comprises the following steps: 1) mixing and soaking slags and balls, and fully mixing and exchanging heat of high-temperature slags and steel balls, so that the heat of the high-temperature slags is rapidly absorbed by the steel balls and the high-temperature slags are cooled and crushed to form granular slags, and the temperature of the steel balls rises by absorbing the heat of the high-temperature slags; and 2) sludge drying: conveying the high-temperature steel balls to a sludge drying device, mixing the high-temperature steel balls with the injected sludge, drying the sludge, separating the steel balls from the sludge when the water content of the sludge reaches a set value, and respectively discharging the steel balls and the sludge. According to the invention, the temperature of the steel balls is increased by using the waste heat of the high-temperature molten slags, and the sludge is dried by the heated steel balls, so that the cooperative treatment of molten slag cooling, granulating and sludge drying is realized, the two problems of molten slag cooling and sludge drying are solved, and the recycling rate of the waste heat of the high-temperature molten slag is greatly increased.
Owner:BAOSHAN IRON & STEEL CO LTD

Clinical wound constant-pressure disinfection device for general surgery department

The invention discloses a clinical wound constant-pressure disinfection device for general surgery department. The clinical wound constant-pressure disinfection device comprises a disinfection mechanism and a disinfection pot, wherein the disinfection mechanism is connected with the disinfection pot through a pipeline; a separation plate is arranged in the disinfection pot; the separation plate isused for separating the disinfection pot into a disinfectant region at the upper side and a waste solution region at the lower side; a liquid injection opening is formed in the top of the disinfectant region; a liquid discharging opening is formed in one side of the waste solution region; a first pump body is mounted on an outer wall, located in the disinfectant region, of the disinfection pot; aliquid feeding end of the first pump body extends into the disinfection region; a second pump body is mounted on an outer wall, located on the waste solution region, of the disinfection pot. According to the clinical wound constant-pressure disinfection device disclosed by the invention, the disinfection mechanism is used for carrying out fixed-point disinfection on a wound through a disinfectionspraying nozzle and a waste solution generated by disinfection is collected and refluxed into the disinfection pot through a collection shell body; accurate disinfection can be realized and the disinfection efficiency is improved; the waste solution also can be recycled and a clean and tidy disinfection environment is ensured; the disinfection pot is internally provided with sub-regions for storing a disinfectant and the waste solution respectively, so that cross contamination between the disinfectant and the waste solution is not caused.
Owner:王成云

Wound debridement tray for emergency departments

The present invention discloses a wound debridement tray for emergency departments. The wound debridement disk comprises a tray mechanism and also comprises a top box mechanism for storing medical appliances, a retractable door mechanism for sealing and a supporting mechanism for preventing liquid medicine from leaking and supporting limbs, the top box mechanism is arranged at an upper end of thetray mechanism, a buckling mechanism is connected between the top box mechanism and the tray mechanism, the retractable door mechanism is connected with an upper end of the top box mechanism, the supporting mechanism is connected with both ends of the tray mechanism, and a filtering mechanism is connected with an inner side of the tray mechanism. The wound debridement tray has a reasonable structure, adopts an upper and lower double-layer structure, at the same time has functions of storage and debridement, cannot pollute each other, is simple to operate, is convenient to disassemble by utilizing the buckling mechanism to connect the top box mechanism and the tray mechanism, improves practicability, has a good use effect, can effectively support limbs by utilizing the supporting mechanism,avoids washing liquid leakage during debridement, and is convenient for later-stage arrangement.
Owner:福建中医药大学附属第二人民医院

A kind of engine oil bottle capable of quantitatively pouring out engine oil

The invention relates to an engine oil bottle, in particular to an engine oil bottle capable of pouring engine oil out quantitatively. The invention provides the engine oil bottle which can protect remaining engine oil from being polluted easily and is capable of pouring the engine oil out quantitatively. In order to solve the technical problem, the invention provides the engine oil bottle capable of pouring the engine oil out quantitatively. The engine oil bottle capable of pouring the engine oil out quantitatively provided by the invention comprises a bottle body, a discharging pipe, a bottle cap and the like; the discharging pipe is arranged in the center of the top of the bottle body; the upper part of the discharging pipe is in threaded connection with the bottle cap; two partition plates are arranged in the bottle body, so that the bottle body is divided into three spaces with equal size, namely a region A, a region B and a region C in sequence from top to bottom, by the partition plates; and a discharging device is arranged in each partition plate. According to the engine oil bottle capable of pouring the engine oil out quantitatively, the engine oil in the region A, the engine oil in the region B and the engine oil in the region C is separated through the partition plates, so that the engine oil in the region B is used after the engine oil in the region A is used up, and then after the engine oil in the region B is used up, the engine oil in the region C is used.
Owner:山东酷品智能科技有限公司

Array surface acoustic wave paper-based microfluidic system for rapid detection of heavy metal ion concentration

The invention relates to an array surface acoustic wave paper-based microfluidic system for rapidly detecting heavy metal ion concentration. The system comprises a substrate; a paper-based electrochemical three-electrode system is arranged on the upper surface of the substrate; two sides of the paper-based electrochemical three-electrode system are provided with array linear interdigital transducers; the lower surface of the substrate is provided with a diaphragm; and the diaphragm is provided with a temperature control structure corresponding to the position of the paper-based electrochemicalthree-electrode system. When the system is used, a cyclic volt-ampere detection program carried in a smart phone sends digital signals; the digital signals are converted into voltage signals througha Bluetooth module, a micro controller and a digital-to-analog conversion module; a potentiostat for electrochemical measurement is controlled to apply a voltage to the paper-based electrochemical three-electrode system; the paper-based electrochemical three-electrode system undergoes an oxidation-reduction reaction, so that current signals can be obtained; the current signals are converted into digital signals through the potentiostat for electrochemical measurement and the micro controller; and the digital signals are outputted to the cyclic volt-ampere detection program carried in the smartphone through the Bluetooth module, so that a cyclic volt-ampere curve graph can be obtained. The system of the invention has the advantages of capability of realizing precise control, high simplicity, high portability and high efficiency.
Owner:XI AN JIAOTONG UNIV

Self-leveling ultrasonic cleaning box for multi-material 3D printing and cleaning method

The invention provides a self-leveling ultrasonic cleaning box for multi-material 3D printing and a cleaning method. The self-leveling ultrasonic cleaning box comprises a cleaning box body, an ultrasonic generator, a liquid bubble generator, a self-leveling liquid outlet and a self-leveling liquid return opening. The ultrasonic generator is mounted at the bottom of the cleaning box; the self-leveling liquid outlet and the self-leveling liquid return opening are formed in the two sides of the cleaning box respectively; and the liquid bubble generator is arranged between the self-leveling liquid outlet and the self-leveling liquid return opening. The invention provides a self-leveling ultrasonic cleaning box for multi-material 3D printing and a cleaning method, and relates to ultrasonic cleaning and drying equipment for switching different materials in the multi-material 3D printing process, the mode of ultrasonic cleaning, a liquid bubble method generator and an air outlet plate is adopted, it is guaranteed that printing materials cannot be mutually polluted in the printing task execution process, and the printing efficiency is improved. And the quality of printed products is ensured.
Owner:TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI

Negative pressure collecting apparatus and negative pressure collecting method

The present invention provides a negative pressure collecting apparatus and a negative pressure collecting method. According to the apparatus, a sucking chamber is formed inside the box body of the negative pressure collecting apparatus; the box body is provided with at least a first placing hole; a placing cover covers the box body, and is provided with at least a through second placing hole; a collecting pipe is inserted into the first placing hole; an adsorbing column is inserted into the second placing hole; a gas sucking gap is arranged between the discharge port of an adsorbing port andthe inlet of the collecting pipe; the sucking chamber is communicated to the gas sucking gap; and a negative pressure sucking device is communicated to the sucking chamber, and is used for sucking thegas in the sucking chamber. With the apparatus and the method of the present invention, the macromolecule adsorbed on the adsorbing column is sucked by using the negative pressure, and is collected into the collecting pipe, such that the negative pressure sucking and collecting experiment becomes possible, the experimental effect is good, and the use is convenient; and the negative pressure collecting apparatus can treat a plurality of adsorbing columns at the same time, and the plurality of the adsorbing columns do not pollute each other, such that the experiment efficiency is high.
Owner:江苏睿玻生物科技有限公司

Layered duck breeding method

PendingCN110313411AIncrease profitFacilitates safe collectionBird housingsUrineCushion
The invention provides a layered duck breeding method. Duck cages are arranged on a machine frame layer by layer. Water troughs and feed troughs are distributed on the two sides of the machine frame from bottom to top respectively. Longitudinal plates divide the duck cages into one or more chambers. The average cage occupation area of a duck in each chamber is not smaller than 450 cm<2>. The artificial illumination time kept in a duck house is not shorter than 12 hours. The water level in each water trough is kept above the threshold so that the ducks can drink water freely. The feed amount ineach feed trough is set so that the ducks can freely eat. A duck cage floor is an inverted-V-shaped egg collecting mesh piece with duck excrement leaking holes. A soft mesh cushion with holes is arranged on each edge collecting mesh piece so that the irritation on duck flippers can be reduced and the duck flippers can be protected. An excrement and urine collecting conveying belt is arranged under each egg collecting mesh piece. Each excrement and urine collecting conveying belt is placed between the upper layer of duck cages and the lower layer of duck cages so that excrements can be isolated. The duck cages in each layer share the corresponding excrement and urine collecting conveying belt. Laying ducks can adapt to the layered cage breeding, the space utilization rate of the duck cagesis large, the safe collection of egg products is facilitated, and the rapid cleaning of the excrements of the laying ducks is facilitated.
Owner:福建光阳蛋业股份有限公司

Cleaning device and method for multi-material 3D printing

The invention provides a cleaning device and method for multi-material 3D printing. The device comprises a base, a printing platform unit and a cleaning and air drying unit. The cleaning and air-drying unit comprises a cleaning box unit, a cleaning box rotation switching mechanism, an air outlet plate and an air outlet plate rotation driving mechanism; the cleaning box rotation switching mechanism is connected with the cleaning box unit and used for rotating the cleaning box unit to the position under the printing platform. The air outlet plate rotation driving mechanism is connected with the air outlet plate and used for driving the air outlet plate to rotate horizontally. The cleaning and air-drying device is controlled in a rotary switching mode, and in the whole 3D printing and cleaning and air-drying process, the position of the printing platform is fixed, so that the printing precision of the printing platform is improved. Besides, the cleaning and air-drying device integrates two functions of cleaning and air-drying, the functions are diversified, printed pieces are air-dried after being cleaned, it is guaranteed that printing materials cannot be polluted mutually in the printing task execution process, and therefore the quality of printed products is guaranteed.
Owner:TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI
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