99results about How to "Stable flow rate" patented technology

The invention discloses an electricity, gas and suspension three-composite lithium ore roasting kiln system and process. The alpha-type spodumene is converted into the beta-type spodumene through constant-speed drying and preheating of a suspension preheating device, primary roasting of an electric heating kiln and secondary roasting of a gas kiln. Compared with traditional transformation roasting of spodumene in a rotary kiln with natural gas as fuel, the method has the advantages that the temperature of spodumene is increased to 600-800 DEG C through preheating of the suspension preheating device and one-time roasting of the electric heating kiln, only the rear-section temperature rising work needs to be completed in the gas kiln, a large amount of natural gas resources can be saved, meanwhile, emission of carbon dioxide is reduced, and the production cost is reduced. The device accords with the national carbon neutralization policy, and is very suitable for being used in areas which are lack of natural gas, rich in electric power reserve or low in electricity price and high in environmental protection requirement.

The invention provides a livestock and poultry breeding medicine atomization device, and belongs to the technical field of atomization devices.The livestock and poultry breeding medicine atomization device comprises an installation support, a water tank, a booster pump, a pipeline and a sprayer, the sprayer comprises an atomization pipe, a nozzle, a water inlet connector, a water outlet connector and a fixing frame, and the livestock and poultry breeding medicine atomization device is characterized by further comprising a flow stabilizing mechanism, an adjusting mechanism and a rotating mechanism; through the arrangement of the flow stabilizing mechanism, when the pipeline leaks water and releases pressure due to cracks caused by aging or other factors, the impact force of water flow is reduced, the first elastic piece elastically resets, the bottoms of the elastic plate and the movable plate integrally move in the direction away from the inner wall of the connecting ring, the cross section is reduced, and therefore the flow speed of liquid is increased; the liquid flow rate is kept stable, uneven fog drops formed by spraying liquid when the flow rate is too low are avoided, and the spraying uniformity is improved.

The utility model relates to the technical field of casting machines for continuous production in the iron alloy industry, in particular to a one-time forming alloy casting machine. Comprising a hydraulic ladle turning machine and a transmission device, the transmission device comprises a motor, a speed reducer, a driving chain wheel, a driven chain wheel, a chain belt and a roller base; the roller base comprises an upper base and a lower base; a wide overflow type molten iron flow tank is arranged right above the driven chain wheel; the chain belt is provided with an anti-splashing long-life granulating casting mold and a transmission shaft; the transmission device is provided with a plurality of condensing devices matched with the anti-splashing long-life granulating casting molds; the lower base is provided with two pairs of special demolding devices matched with the anti-splashing long-service-life granulation casting molds. The problems that iron alloy products cannot be formed at a time, and demolding, molten iron flow control, iron block particle size uniformity and the like are caused by molten iron medium characteristics and particle size differences of a conventional pig casting machine after one-time forming are effectively solved.

The invention provides a harmless treatment waste gas remelting combustion device which comprises a cooling mechanism used for reducing the temperature of waste gas; the impurity removing mechanism is connected with the cooling mechanism through a first waste gas connecting pipe and is used for filtering impurities in the waste gas; the combustion mechanism is connected with the impurity removal mechanism through a third waste gas connecting pipe and is used for fully combusting the waste gas; the temperature of waste gas can be reduced, impurities can be dissolved, and the filtering effect of an activated carbon plate can be guaranteed through a spraying assembly of the cooling mechanism, oil, water, vapor and flow velocity can be adjusted through a water retaining assembly, continuous work can be guaranteed and unfiltered waste gas can be prevented from passing through when the activated carbon plate is replaced through a filtering and air exhaust assembly of the impurity removal mechanism, and the air exhaust assembly can accelerate filtering and supply oxygen to promote combustion. The gas flow is accurately regulated and controlled through the quantity control assembly of the combustion mechanism, waste gas is preheated through the combustion filling assembly, energy is saved, and sufficient combustion is promoted.

The utility model discloses an anti-vortex device during unloading of a tank truck, which comprises a tank body and a precipitation tank arranged at the bottom of the tank body, the anti-vortex device is fixedly mounted above the precipitation tank and is of a square box structure with an opening at the bottom, and liquid leakage holes are formed in panels of the anti-vortex device. A liquid outlet pipe is arranged on the precipitation tank and is connected with the quick connector through a ball valve. According to the utility model, the liquid flow rate is stable, no vortex is generated, and the liquid can be completely discharged.

This utility model discloses a silicate ion measurement injection pressure stabilization device, comprising: an injection pipe, a pressure stabilization component, and a filter component; the pressure stabilization component includes a self-regulating pressure regulating valve and a flow controller fixedly connected to both sides of the injection pipe, a buffer tank fixedly installed on the upper part of the injection pipe, and an upper buffer cover and a lower buffer cover installed on the upper and lower sides of the buffer tank, respectively. According to this utility model, the water sample being transported in the injection pipe can have its pressure stabilized by the self-regulating pressure regulating valve, flow controller, and buffer tank installed on the injection pipe, ensuring a constant flow rate, thereby improving subsequent measurement accuracy, equipment stability, and data reliability. Simultaneously, the upper and lower buffer covers installed on the upper and lower sides of the buffer tank provide double-layer buffering for the water sample being transported from the injection pipe to the buffer tank during its descent, thus ensuring a stable flow rate of the water sample output through the output pipe.

The invention relates to the technical field of medical tools, in particular to an artificial membrane rupturing structure which comprises a barrel and a suction cup mounted at the top end of the barrel and further comprises a guide seat, a membrane rupturing device, a membrane rupturing device and a membrane rupturing device, the guide seat is mounted in the barrel, and a through hole is formed in the guide seat; the adsorption mechanism is installed in the cylinder body and connected with the guide seat, and the adsorption mechanism enables the suction cup to be adsorbed to the surface of the amniotic membrane; the artificial membrane rupturing structure is different from the prior art, in the using process of medical staff, the amniotic membrane can be clamped and fixed only by attaching the suction cup to the amniotic membrane and then pulling the hollow push rod, then puncturing is automatically conducted, the flow speed after membrane rupturing is stable, the membrane rupturing can be easily completed even though the medical staff with less experience, and operation is easy; the amniotic fluid after rupture of the membrane automatically flows to the outside through the drainage tube from the inside of the cylinder, and the amniotic fluid is not in contact with the uterus of the pregnant woman, so that the probability of infection in the uterus of the pregnant woman is greatly reduced, and the turbidity of the amniotic fluid flowing out can be directly observed.

The invention discloses an injection molding device for processing the plastic shell of an air flow meter, and the invention relates to the technical field of injection molding devices, including a composite mechanism. The injection molding device for processing the plastic shell of an air flow meter, through the composite mechanism design, the plastic raw material enters the inside of the composite shell from the feed port, the motor rotates the rotating shaft, and the rotation of the rotating shaft rotates the rotating frame and the rotating plate, thereby achieving the effect of expanding the stirring range, improving the mixing effect, thereby ensuring the stability and consistency of the quality of the injection molded product, and cutting the plastic raw material through the cutting block, thereby achieving the effect of dividing larger raw materials, making the plastic raw material particles uniform, and uniform raw material stirring can reduce the unstable factors in the production process, reduce the scrap rate, thereby improving the efficiency and economic benefits of injection molding production, and then falling downward from the holes on the surface of the support plate, and the raw material is output to the inside of the processing mechanism through the output mechanism, which is convenient for subsequent processing.

A high-precision zero-degree demolding injection mold and shell forming device comprises an injection mold and a punching mold, and the injection mold comprises a front mold, a rear mold opposite to the front mold, a front mold core arranged on the inner side of the front mold and a rear mold core arranged on the inner side of the rear mold; the rear mold core comprises a middle mold core and a four-slide part, and a lower forming cavity is defined by the middle mold core and the four-slide part; a center forming part is arranged on the middle mold core, a hole forming cavity is formed in the outer side end face of the center forming part, a rear water gap groove is formed in the center of the bottom of the hole forming cavity, a hole forming protrusion corresponding to the hole forming cavity is arranged on the front mold core, a front water gap groove corresponding to the rear water gap groove is formed in the hole forming protrusion, and a glue inlet is formed in the front water gap groove. According to the utility model, the zero-degree mold stripping can be realized, the product precision and the working efficiency are higher, in addition, the glue inlet position is arranged in the through hole, and the water gap is punched by the mold, so that no glue inlet position exists on the surface of the product, and the product precision is improved.

The invention provides a nanofiltration concentrated solution recharging device. The nanofiltration concentrated solution recharging device comprises a compression assembly, a rotation driving assembly and a nanofiltration assembly, the compression assembly comprises a compression cylinder, a plurality of hole reserving rods, a bottom plate structure and an opening and closing structure. The rotation driving assembly is used for driving the compression cylinder to rotate; and a nanofiltration concentrated solution is injected into the nanofiltration cavity, and the nanofiltration concentrated solution flows in the multiple holes in the garbage blocks, so that the interior of the garbage blocks and the nanofiltration concentrated solution are subjected to a contact reaction. By arranging the compression assembly, the rotation driving assembly and the nanofiltration assembly to work cooperatively, automatic compression of garbage and automatic recharging of nanofiltration concentrated liquid are achieved, waste resources can be recycled, organic pollutants in the nanofiltration concentrated liquid are intercepted through physical and chemical effects with the garbage, and the utilization rate of the waste resources is improved. And the recycling of the nanofiltration concentrated solution is utilized to promote the degradation of garbage wastes, so that the method is simple, low in cost, convenient to assemble and maintain subsequently, environment-friendly, small in pollution and suitable for large-scale popularization and application.

The utility model relates to a sampling device suitable for water vapor quality detection of a power station boiler, which comprises a box body provided with moving wheels at the bottom, a sealed flow cell is arranged in the box body, a cooling assembly is arranged in the sealed flow cell, the sealed flow cell is connected with a sampling pipeline and a feeding pipeline, and the feeding pipeline is connected with the sampling pipeline. And the pipe head of the feeding pipeline is connected with a water pipe universal joint. The device has the function of collecting a water sample to be tested, can ensure the sealing performance of an instrument in the whole test process, can effectively connect various sampling pipe joints of different models on a boiler with a feeding pipeline of the device, and ensures that the temperature and the flow of the water sample to be tested meet the test requirements of the instrument in the test process of the instrument; therefore, the accuracy and effectiveness of field test results are ensured. In addition, the device meets the requirement for portable sampling in field inspection of the water vapor quality of the power station boiler, and the standardization and accuracy of the test are improved.

The utility model relates to a filter box for reducing the pouring and drying amount of aluminum alloy melt, and belongs to the technical field of melt filtering. The filter box comprises a filter box body; a filling block is arranged in the filter box body and is suspended in the center of the interior of the filter box body; a lifting lug is arranged at the top of the filling block; a winch is arranged on a wall body above the filter box body; a hook is fixed at one end of the bottom of a cable in the winch; the lifting lug is detachably connected with the hook; a filter plate is arranged at the lower part of the filter box body; and a liquid outlet is formed below the filter plate. The filling block is additionally arranged in the aluminum alloy melt filter box provided by the utility model and is placed in the center of the filter box, so that the constant temperature of each part of the flowing aluminum liquid can be effectively ensured, the flow speed in the filter box is stable, the drying amount is reduced, the consumption of the aluminum alloy solution is reduced, and meanwhile, the production efficiency and the stability in the casting process are improved; and defects are reduced, so that the rework rate and the rejection rate are reduced.

The invention discloses a basalt fiber composite pipe, and aims to provide the basalt fiber composite pipe which is obtained by winding an inner pipe by adopting a basalt fiber material through a winding process and then carrying out injection molding coating through an outer coating layer. The inner pipe structure is prepared from a layered material, the layered material sequentially comprises a self-adhesive high polymer material, basalt fibers and thermoplastic high polymer engineering plastic from inside to outside, molding is conducted through a pulling and winding process and an outer layer coating process, the prepared inner pipe structure is wound with the basalt fibers, and then overall molding is conducted through the outer layer coating process. And the overall structural strength of the wound inner pipe is higher, the overall service life can be greatly prolonged, and the method is suitable for the technical field of pipe machining methods.

The invention belongs to the technical field of temperature regulation and control, and particularly relates to a temperature adjusting device for pneumatic crushing of a lithium battery negative electrode material and a working method thereof.The temperature adjusting device for pneumatic crushing of the lithium battery negative electrode material comprises a heat dissipation ring, a temperature adjusting device and a temperature adjusting device, baffles are arranged on the spaced sub-channels to block the corresponding sub-channels; the control module is configured to control the driving shaft to drive the baffles to synchronously rotate to the corresponding angles according to the temperature difference when the temperature data obtained by the temperature sensor exceeds a threshold value so as to increase the heat exchange area of the materials and the inner wall of the heat dissipation ring, so that the output temperature of the materials at the heat dissipation ring is reduced by the corresponding temperature difference, and the heat dissipation efficiency is improved. According to the temperature adjusting device for pneumatic crushing of the lithium battery negative electrode material, when cooling is needed, only the baffle in the heat dissipation ring needs to be rotated to increase the area of the inner wall, making contact with the material, of the heat dissipation ring, heat dissipation of the material is improved, and the temperature of the material entering the crushing cavity is reduced.

This utility model discloses an aluminum profile mold with hooks, including a mold body, a backing plate on the mold body, and a solid working belt and a hook working belt for extruding the aluminum profile between the backing plate and the mold body. The solid working belt and the hook working belt are connected within the mold body. The fluid inlet end of the solid working belt is provided with a solid feed cavity to prevent the flow rate of the solid part from being too fast during the extrusion process. The edge of the solid feed cavity has a stepped structure. The feed end of the hook working belt is provided with a hook feed cavity to accelerate the fluid flow rate of the hook part. This utility model improves the production quality of aluminum profiles by specifically designing the structure of different parts of the mold, adding a backing plate to enhance the mold rigidity, using a stepped feed cavity and an extended working belt to slow down the flow rate of the solid part, and using a sloped and enlarged feed cavity to accelerate the flow rate of the hook part.

The coke breeze cyclone separator comprises a first cylinder, a volute body, a first conical cylinder and an exhaust pipeline, gas containing coke breeze enters the volute body from a gas inlet, flows along the inner wall of the volute body and is guided to form a rotating vortex, and spirally flows downwards towards the conical cylinder along the first cylinder; the coke breeze is thrown to the inner wall of the first cylinder under the action of centrifugal force, the coke breeze loses inertia force and falls into the dust collecting hopper along the wall face, treated gas continuously flows into the center in the descending process in the conical cylinder to form centripetal radial airflow, the central airflow spirally ascends and enters the exhaust pipeline, and spiral blades are arranged on the inner wall of the exhaust pipeline in the exhaust direction. The spiral direction of the spiral blades is opposite to the spiral direction of gas, the spiral blades and spiral airflow generate shearing force, the stability of the airflow is destroyed, the airflow forms rising micro-turbulent flow between the blades, coke breeze collides with the inner wall of the exhaust pipeline and the blades, secondary separation in the exhaust pipeline is achieved, and the powder discharging efficiency of the coke breeze cyclone separator is improved.

The utility model relates to automatic filling and pressurizing equipment for a perfluorohexanone fire extinguishing agent. The equipment comprises a control cabinet body, an industrial control computer, a PLC (Programmable Logic Controller), a stainless steel multi-stage centrifugal pump, a pneumatic high-pressure ball valve, a pneumatic electromagnetic valve, a pressure instrument, a pressure reducing valve, a pressure sensor, a flow sensor, a weighing transmitter, a temperature and humidity sensor, a micro-moisture sensor, a pneumatic pipeline, a fire extinguishing agent conveying pipeline, an electric control circuit and the like. Client control software is installed in an industrial control computer, an automatic control program is installed in a PLC, the industrial control computer is in communication connection with the PLC, and a stainless steel multi-stage centrifugal pump, a pneumatic electromagnetic valve, a pressure sensor, a flow sensor, a weighing transmitter, a temperature and humidity sensor and a micro-moisture sensor are connected with the PLC through an electric control circuit. The automatic closed filling pressurizing control device is specially suitable for automatic closed filling pressurizing control of liquid fire extinguishing agents such as perfluorohexanone, the technology is advanced and feasible, and data are accurate and reliable.

The invention provides an implantable dialysis device with a temperature control function, and belongs to the technical field of dialysis, the implantable dialysis device comprises an implantable dialysis body and an external temperature control base, the implantable dialysis body comprises a blood temporary storage port and a blood vessel communicating pipe, the blood temporary storage port is composed of a port seat and a puncture part, the port seat comprises a nickel-titanium alloy middle layer and an outer coating layer, and the outer coating layer comprises a nickel-titanium alloy outer coating layer. The puncture part comprises a stent membrane which can be punctured by the puncture needle, and the blood vessel communicating pipe is located at at least one end of the blood temporary storage port, communicates with the blood temporary storage port and is used for being connected with an artery or vein blood vessel; the external temperature control base comprises an electrified coil, and an electromagnetic field can be formed between the electrified coil and the nickel-titanium alloy middle layer to heat the nickel-titanium alloy middle layer; the device not only can replace internal fistula in a traditional dialysis mode, but also can heat subcutaneously to a proper temperature based on an electromagnetic heating principle, so that the dialysis quality is improved, and the risk of related complications caused by dialysis is reduced or avoided.

The utility model relates to a throttling detection device which comprises a main body pipe, a detection assembly and an inner cone arranged in the main body pipe. The inner cone comprises a throttling part, one side end of the throttling part is gradually shrunk towards the side away from the throttling part in the axial direction to form an incident flow section, the other side end of the throttling part is gradually shrunk towards the side away from the throttling part in the axial direction to form a back pressure section, the taper angle of the incident flow section is smaller than that of the back pressure section, and a through hole is formed in the inner cone in the axial direction in a penetrating mode; the detection assembly comprises a first guide pipe and a second guide pipe, the inner end of the first guide pipe penetrates through the side wall of the main body pipe and communicates with an inner cavity of the main body pipe, the second guide pipe penetrates through the side wall of the main body pipe and communicates and is fixed to the side end, facing the incident flow section, of the through hole through a connecting pipe, and the length of the connecting pipe is 100-500 mm; the first guide pipe is located on the side, away from the inner cone, of the second guide pipe. The throttling detection device can detect the flow of the fluid in the pipe body, reduce the pressure loss and improve the detection precision at the same time.

This utility model belongs to the field of wind tunnel testing and relates to a wind tunnel testing device for performance testing of aerospace metal skin. It includes: a high-pressure blower, a gas storage tank, a test air duct, a first barometer, and a controller. The high-pressure blower is connected to the inlet end of the gas storage tank, and the outlet end of the gas storage tank is connected to the test air duct. The first barometer is located inside the gas storage tank, and the first barometer, the high-pressure blower, and the controller are electrically connected. The gas storage tank is a spherical tank, and its interior is equipped with a honeycomb flow guide grid and a turbulence damping net. The honeycomb flow guide grid and the turbulence damping net divide the internal space of the gas storage tank into a first space and a second space. The first space is connected to the inlet end of the gas storage tank, and the second space is connected to the outlet end of the gas storage tank. After the high-pressure blower injects airflow into the first space, the airflow sequentially passes through the honeycomb flow guide grid and the turbulence damping net into the second space. This utility model is suitable for dynamic load identification tests on square plate-shaped aerospace metal skin.

The application belongs to the technical field of semiconductor manufacturing, and discloses a furnace tube structure and a heating furnace, which comprise an outer tube and an inner tube. One end of the outer tube is a closed end, and the other end is an open end. The inner tube is open at both ends and forms a reaction chamber inside. The inner tube is arranged in the outer tube, and a buffer space is formed between the inner side wall of the outer tube and the outer side wall of the inner tube. The reaction chamber is connected to the buffer space, and a flow disturbing member is arranged in the buffer space. The flow disturbing member reduces the flow rate of process gas flowing from the reaction chamber into the buffer space. The flow direction of the process gas is configured as the direction of flowing from the reaction chamber into the buffer space. The furnace tube structure can improve the uniformity of process gas distribution in the inner cavity, ensure that the material substrate is in full contact with the process gas and reacts, and improve the uniformity of the film coating of the material substrate.

The utility model relates to the technical field of commercial concrete production equipment, in particular to a multi-stage screening device for commercial concrete production, which comprises a screening box which is of a rectangular box structure, one side of the screening box is connected with a closing cover in a clamping manner, two layers of screening frames are vertically placed in the screening box, and the two layers of screening frames are connected with the closing cover in a clamping manner. An intercepting net is slidably connected to the bottom end of the screening box, and the intercepting net and the screening frame form a screening structure for commercial concrete production. According to the multi-stage screening type screening device for commercial concrete production, a three-stage screening structure is formed through the two layers of screening frames and the bottom intercepting net, the pore diameter of the upper-layer screening net is large, the pore diameter of the middle-layer screening net and the pore diameter of the middle-layer intercepting net are minimum, refined grading of commercial concrete aggregate is achieved, and on one hand, the production requirements of concrete of different grades are met; and the screening frame is obliquely arranged and staggered with the inclined direction of the splitter plate I, so that the retention time of the materials on the screen surface is prolonged, the materials are fully dispersed and are in contact with the screen, and the screening efficiency is improved.

The centrifugal fan with the connecting structure comprises a machine shell, a bottom plate and a motor, the bottom plate and the motor are installed on the machine shell, an air inlet is formed in the surface of the machine shell, a dustproof net is installed in the air inlet in an embedded mode, an ash removing assembly is arranged on the machine shell and comprises an ash removing piece and a driving piece, and the driving piece is connected with the bottom plate. The dust removing part comprises a long brush, a connecting strip is fixedly arranged on the front face of the end of the long brush, the driving part comprises a driving motor and two sets of screws, and two sets of mounting plates are fixedly arranged outside the driving motor; according to the dust removing assembly, dust can be conveniently removed when the surface of the dust screen located on the air inlet is covered with a large amount of dust in the using process, the cleanliness of the surface of the dust screen is improved, external air can pass through the dust screen more smoothly, and the flow speed of the external air entering the air inlet through the dust screen is stable; and the use effect of the centrifugal fan is improved.

The application relates to the technical field of throttles, in particular to a fishing-free throttle, which comprises a main body, slips, a connecting sleeve, a fishing head, a sealing cylinder and a sandproof cover. A plurality of slips are arranged in a ring shape on the main body. The connecting sleeve is arranged in the main body. The fishing head is inserted into the connecting sleeve and connected with the connecting sleeve. The connecting cylinder is arranged in the main body. The sealing cylinder is arranged on the connecting cylinder. The sealing cylinder is jointly arranged with the main body and is provided with a sealing gasket. The sandproof cover is arranged below the sealing cylinder. The valve core and the air nozzle are arranged in the sealing cylinder. The air nozzle is slidably connected with the sealing cylinder through a sealing ring. The air nozzle and the sealing cylinder are connected with a shearing spring. The valve core comprises a fixed core and a movable core. The valve core is divided into the fixed core and the movable core. When the pressure is reduced, the movable core is driven to move by the air nozzle to increase the throttling passage of the valve core, so that the fishing-free throttle is realized, and the yield of the oil and gas well can be ensured.

The utility model discloses a convenient water flux tester which comprises a first conducting hose, a peristaltic pump, a second conducting hose, a pressure gauge, a third conducting hose and a filter, one end of the first conducting hose extends into liquid to be tested, and the other end of the first conducting hose is connected with an inlet of the peristaltic pump; an outlet of the peristaltic pump is connected with a second conducting hose, and the other end of the second conducting hose is connected with a pressure gauge; the other end of the pressure gauge is connected with a third conducting hose which is connected with a filter; and a membrane to be detected is placed in the filter. According to the utility model, the water fluxes of different membrane materials can be conveniently and quickly tested, an accurate water flux value can be obtained through simple calculation, and the water flux testing device has the advantages of convenience in operation, easiness in carrying, wide application range and the like.

The invention discloses a preparation method of abamectin wet powder, which comprises the following steps: dissolving an abamectin crude product by using methanol, carrying out concentration control, cooling and crystallizing, continuously dissolving and concentrating a secondary refined product by using methanol for further purification, slowly cooling at a low rotating speed to complete crystallization, carrying out filter pressing, and drying to obtain the abamectin wet powder. Continuously dissolving and concentrating a secondary refined product obtained after filter pressing by using methanol, purifying again, slowly cooling at a low rotating speed to complete crystallization, then carrying out filter pressing, continuously dissolving a secondary refined product obtained after filter pressing by using methanol, adding carbon, filtering and decolorizing, and slowly cooling at a low rotating speed to complete crystallization; and carrying out mother liquor filter pressing, stirring and washing and negative-pressure constant-temperature drying on the obtained filtered crystallization liquid to obtain an abamectin wet high-quality product with flowability. The production process provided by the invention effectively solves the problems of strong adhesiveness, small crystal and poor crystal form of the wet high-quality abamectin material, ensures that the flow velocity is stable, wall adhesion and caking are avoided when the wet high-quality abamectin material is used in subsequent automatic feeding and discharging equipment, and can effectively improve the production efficiency.

The application provides an organic synthesis steam recovery device and relates to the technical field of steam recovery.The device comprises a steam recovery tank and an air floatation separation tank arranged in the steam recovery tank, the steam recovery tank is internally provided with a spiral cold water pipe and a spiral partition plate, the air floatation separation tank is internally provided with an organic matter separation pipe and a gas overflow port provided with a gas diffusing plate, steam enters from a steam inlet, and then is countercurrently convected and condensed along the spiral partition plate and the spiral cold water pipe, condensed water and uncondensed gas enter the air floatation separation tank after being refined into bubbles by the gas diffusing plate, and through secondary condensation and air floatation during the rising process of the bubbles, organic matter impurities and pure condensed water are separated, compared with a traditional device, the application solves the problems of insufficient condensation, difficult impurity separation and loose structure, has the advantages of complete heat energy recovery, accurate organic matter separation and stable and compact operation, and is suitable for efficient treatment and resource recycling of high-temperature steam containing impurities in the organic synthesis industry.

The invention belongs to the technical field of chemical equipment, and particularly relates to a fixed bed reactor for bearing an emulsion droplet catalyst, the fixed bed reactor comprises a reactor main body, and connecting flanges are arranged at the upper end and the lower end of the reactor main body; a quick-open type cover plate is connected to the connecting flange, and a liquid inlet spraying device is arranged on the quick-open type cover plate at the upper end; a conical closing opening is formed in the lower end of the reactor main body, a filter screen is arranged at the lower end of the conical closing opening, a plurality of layers of catalyst bearing assemblies are arranged in the reactor main body, and hydrophobic screens in the filter screen and the catalyst bearing assemblies are subjected to chemical modification treatment. According to the invention, the filter screen and the hydrophobic screen are arranged and are chemically modified, so that the fixed bed reactor has hydrophobicity, the emulsion catalyst can be filled in the fixed bed reactor, and long-term stable existence under a flowing condition is realized, so that efficient and continuous reaction of a two-phase system is realized.

The utility model discloses a leakproof tear bomb which comprises a launch shell, a launch cavity and a tear cavity which are communicated with each other are arranged in the launch shell, a percussion hole and a jet hole are respectively arranged at two ends of the launch shell, an empty shell is accommodated in the launch cavity, the percussion hole is positioned at the end of the launch cavity, and the jet hole is positioned at the end of the tear cavity. Wall breaking cones protruding towards the inside of the lacrimation cavity are further arranged at the spraying holes; a front piston and a rear piston are arranged in the lachrymation cavity, the front piston, the rear piston and the launching shell define a sealing cavity for containing lachrymation media, the front piston is arranged towards the wall breaking cone and provided with a sealing thin film, and when the wall breaking cone punctures the sealing thin film, the sealing cavity is communicated with the spraying hole. The front piston and the rear piston define the sealing cavity for containing the lachrymatory medium, the lachrymatory medium is prevented from leaking at the end of the launching shell, meanwhile, the sharp end of the wall breaking cone is used for puncturing the sealing film to enable the lachrymatory medium to be sprayed out, and it is guaranteed that spraying power of the lachrymatory medium is sufficient.