282results about How to "Prevent take out" patented technology

The invention relates to the field of cloud computing, in particular to a cloud-computing-based platform as a service (PaaS) platform system and an implementation method thereof. The system comprises a service request management module, a software as a service (SaaS) application system, a service publication system, a cloud operating system, a marketing management system, cloud computing service and a cloud computing hardware virtualization framework. The implementation method comprises the following steps of: performing hardware virtualization on a server cluster by utilizing the cloud operating system, configuring different operating systems according to different requirements of the application system, and dynamically and uniformly allocating and managing hardware resources; and binding users of different systems with different user authentication certificates, adopting the active encryption of real-time encryption and decryption to prevent breach of confidence, and controlling the rights of the application system integrated on a PaaS platform. The problems about the independence, security and high-efficiency resource utilization of the system are solved; and the method can be applied to the cloud-computing-based PaaS platform system.

The invention relates to a self-adhesive label preparation processing system. The self-adhesive label preparation processing system comprises a fixing base, a working plate, a laser printer, a shearing device, a material removing device and a winding device, wherein the working plate is mounted at the upper end of the fixing base, the laser printer is installed at the left end of the working plate, the shearing device is mounted in the middle of the fixing base, the material removing device is arranged on the right side of the fixing base, the winding device is arranged on the right side of the material removing device and is installed on the fixing base, and the laser printer is an existing device and performs laser printing on a self-adhesive label. The self-adhesive label preparation processing system can solve the problems that the self-adhesive label is usually taken away by traditional self-adhesive label preparation technology after the pressing process, and after the self-adhesive label is sheared, waste materials are adhered to a blade; and the sheared waste materials cannot be completely separated from the self-adhesive label and are adhered to the self-adhesive label dueto stickiness, the waste materials are usually cleaned by a brush in a traditional chip removal mode, and the waste materials are difficult to remove.

The invention discloses a humidifier. The humidifier comprises a controller, a base, an ultraviolet sterilization module, a water channel, a fog discharging channel and an ultrasonic vibrator. The ultraviolet sterilization module comprises two deep-ultraviolet generation units, the first deep-ultraviolet generation unit and the second deep-ultraviolet generation unit irradiate the water channel, and the ultrasonic vibrator and the two deep-ultraviolet generation units are all connected with the controller in an electric mode. The invention further discloses a degerming and humidification method of the humidifier, the degerming and humidification method of the humidifier comprises the following steps that the humidifier is started; the ultrasonic vibrator is controlled by the controller to atomize water in the water channel, the two deep-ultraviolet generation units are controlled by the controller to emit deep ultraviolet, and the deep ultraviolet irradiates the fog discharging channel and the water in the water channel; and the humidifier is powered off. According to the humidifier and the degerming and humidification method of the humidifier, deep ultraviolet can be emitted by the two deep-ultraviolet generation units and irradiates the fog discharging channel and the water channel, and water spray passing the fog discharging channel and the water in the water channel are subjected to disinfection and sterilization, so that the double sterilization of the water and the water spray is achieved; and bacteria breeding is prevented, a good sterilizing effect is achieved, and the situation that bacteria are brought out by the water spray is prevented, so that the effects of safety and reliability are achieved.

The invention discloses a polyester yarn dyeing device and method. The polyester yarn dyeing device comprises polyester yarn, a dyeing mechanism, a washing mechanism and a drying mechanism; the washing mechanism and the drying mechanism are arranged on one side of the dyeing mechanism in sequence, the polyester yarn penetrates through the dyeing mechanism, the washing mechanism and the drying mechanism in sequence, and yarn guide wheels are arranged at the left and right ends of the upper surface of the dyeing mechanism and the left and right ends of the upper surface of the washing mechanismrespectively. According to the polyester yarn dyeing device and method, the polyester yarn is subjected to flow dyeing through the yarn guide wheels and dyeing guide wheels of the dyeing mechanism, surface dye of the polyester yarn is washed through the washing mechanism, finally, the polyester yarn is dried through the drying mechanism, and thus flow dyeing processing of the polyester yarn is achieved; no repeated dyeing operation is needed, and time and labor are saved; meanwhile, extruding rollers extrude out redundant dye carried by the polyester yarn, redundant dye is prevented from beingcarried out, and thus resource waste is greatly reduced.

The invention relates to an air lift fluidized bed reactor for gas-liquid-solid heterogeneous biocatalysis, being especially applicable to an internal recycle fluidized bed reactor of immobilized enzyme or immobilized cell, which comprises a reactor casing, a gas nozzle, a conical internal flow guiding canister, a low opening distributor of the internal flow guiding canister and a reflux condenser, and is characterized in that the invention comprises the conical reactor casing, wherein the low end of the reactor tank bottom is the gas nozzle to form the conical fluidized bed, the conical internal flow guiding canister, wherein the low portion is the circular ring low opening distributor of the internal flow guiding canister, immobilized carrier particles are capable of good outflow via adjusting the channel angle and aperture of the low opening distributor, the conical reactor casing is opened with a light phase injection port, a weight phase injection port, a production vent and an air vent which is connected with the reflux condenser and the like. The reactor of the invention is an air lift type, internal recycle and conical fluidized bed reactor, which has the advantages of small shearing force, low energy consumption, rapid as-liquid-solid mass transfer, high solvent efficiency and easy magnification, being especially applicable to immobilized cell or enzyme organic phase biocatalysis reaction.

The invention provides a device for cleaning and treating a substrate; when the substrate treated by liquid medicine is washed, the device can save the dosage of the purified water, reduce liquid emissions, shorten treating time, save space and reduce manufacturing cost. A washing treating room for washing the substrate treated through the liquid medicine is orderly divided into a replacing washing area, a washing area and a direct washing area in a transportation direction of the substrate; and an inlet spray nozzle, a high pressure nozzle, a forced discharging nozzle and an air nozzle are arranged in the replacing water area. The device is controlled so that the substrate sprays out the washing water from the inlet nozzle, the high pressure nozzle and the forced discharging nozzle before transported in the replacing washing area and stops spraying out the washing water from the inlet nozzle, the high pressure nozzle and the forced discharging nozzle after moved out the substrate from the replacing washing area.

This invention is mud scraping ring and mud scraping device for drill bar outer wall. The said mud -scraping ring includes an elastic ring body, which inner surface matches with drill bar outer wall. The outer surface circumference of the said ring body is set with support. The mud-scraping device includes mud scraping ring and a casing. The inner wall of the said casing is radial arranged with clamping device, on which the support of mud scraping ring outer circumference is fixed. This invention is used to scrape the mud on the outer wall of drill bar in the process of well drilling.

The present invention relates to a weighing gate system for an unmanned supermarket. The weighing gate system is characterized in that the weighing gate system comprises entrance weighing gate devices and exit weighing gate devices; one entrance weighing gate device is arranged at each entrance channel of the unmanned supermarket; and one exit weighing gate device is arranged at each exit channel; when a customer gets out of the supermarket, the customer and goods are separated from each other; each entrance channel and each exit channel can only allow one customer to enter at the same time; and therefore, the weight change of each customer can be obtained through comparison, so that whether the customers carry goods when going out of the supermarket can be judged, and therefore, goods can be prevented from being taken out of the supermarket without being paid, and thus, the safety of the goods in the unmanned supermarket can be ensured.

A humanoid robot self-service cash register comprises a humanoid shell which is internally provided with a voice recognizing module, a voice synthesizing module, a face recognizing module, a commodityinformation recognizing module, a payment module, a storage module, an Ethernet interface module and a main control module connected with all the above mentioned modules. The Ethernet interface module is connected with the Internet or a cloud server. The surface of the humanoid shell is provided with a display screen, a loudspeaker, a camera and slots corresponding to the payment module, the commodity information recognizing module, the voice recognizing module and the Ethernet interface module. The commodity information recognizing module collects commodity bar codes or radio frequency identification information. The main control module calls prestored commodity unit price from the storage module of the cloud server and accumulates a total price. The main control module converts the accumulated total price into a control command to be sent to the payment module for collecting the corresponding money. A humanoid robot realizes the conversation with customers and provides consultationand shopping guidance with the aid of the voice recognizing module and the voice synthesizing module.

It relates to a device for cutting air flow, reducing wind speed and stable flow field, particularly a windbreak grid. It solves the shore endurance and low strength of existing wind shielding material, together with secondary pollution of hard degradation, complicated processing and higher cost. The curve grid plate is divided into C shape, S shape and omega shape. The curvature direction can be the same or in reverse alternatively. It cuts the head on whirlwind into air flows in various angles and interfering with each other, making the best of the drive and energy of the wind, reducing the turbulence degree and wind pressure, forming a low wind speed flat flow zone at the lee side of the grid wall, avoiding interference of the air current to certain area of the lee side.

The invention discloses a fluidized bed reactor. The fluidized bed reactor comprises a reactor shell and a circulating unit, wherein the circulating unit is arranged outside the reactor shell; a material outlet which is connected to the circulating unit is formed in the top of the reactor shell; a material inlet which is communicated with the circulating unit is formed in the bottom of the reactor shell; the circulating unit comprises a separator and a circulating pump; the separator is used for separating reaction materials from the top of the reactor shell into gas-phase materials and liquid-phase materials; the circulating pump is used for feeding part of the liquid-phase materials separated by the separator into the reactor shell. The effective volume of the fluidized bed reactor is increased, and the flexibility and stability of operation are improved; meanwhile, by the arrangement of a separation device in the circulating unit, the content of solid particles in the fed materials of the circulating pump is decreased, and abrasion of the circulating pump is reduced, so that the service life of the circulating pump is prolonged.

The invention relates to the field of reduction of a Fischer-Tropsch synthesis catalyst, and concretely relates to a method for reducing a Fischer-Tropsch synthesis iron-based catalyst. The method comprises the following steps: under existence of reduction gas, a slurry containing the Fischer-Tropsch synthesis iron-based catalyst is subjected to temperature programmed reduction, the temperature programmed reduction comprises the following steps: under normal temperature to 120 DEG C, the heating rate is 10-20 DEG C / h, then the catalyst is kept at the constant temperature of 120 DEG C for 2-8 h; under 120 DEG C to (220-230) DEG C, the heating rate is 5-10 DEG C / h, then the catalyst is kept at the constant temperature of 220 DEG C-230 DEG C for 3-10 h; under (220-230)DEG C to (260-280)DEG C, the heating rate is 3-5 DEG C / h, and then the catalyst is kept at the constant temperature of 260 DEG C-280 DEG C for 10-30 h. The method solves the problem that a liquid solvent is greatly taken out such as paraffin during the catalyst reduction process, influence of the iron-based catalyst in the reduction process is reduced, catalyst is not broken, the activity of the reduced catalyst is high, CO2 selectivity is low, and the light hydrocarbon selectivity is low.

The invention discloses a multi-tube-row integrated header automatic adjusting dispensing condenser, comprising a first header, a second header, and heat exchange tubes. The header which is provided with an inlet pipe is provided with septums. The first header and the second header are internally provided with gas-liquid separators. The outlet tube segments of the heat exchange tubes extend into the cavity of the header, and the ends of the outlet tube segments bend downward. Or the outlet tube segments of the heat exchange tubes extend into the cavity of the header, and the outlet tube segments of the heat exchange tubes beveling downward from the diameter of the outlet tube segment and form bevel connections. Beneficial technical effects of the condenser are that heat transfer flowing performance of the condenser is improved, uniformity of working medium distribution is effectively improved, flow resistance is greatly reduced and high-efficiency heat exchange is maintained, a condensate liquid is prevented from being brought out of the headers, so as to greatly improve dispending effect of the headers on two ends, high-efficiency heat exchange flow state in tubes can be maintained on the tail of the condenser and under condition of lower area flow, and effect of enhancing heat transfer based on a dispensing condensing principle is improved.

The invention relates to a process and a device of a fluidized bed for synthesis gas methanation and belongs to the technical field of coal natural gas. The process includes first preheating raw material gas composed of H2 and CO, introducing the preheated gas from the bottom of a fluidized bed reactor in a magnetic field, enabling the raw material gas to be completely contacted with catalyst particles for reaction, conducting separation on mixture of gas products and a small amount of catalyst fine powder through a cyclone separator and conducting following processing to obtain purified methane. The device is composed of a fluidized bed reactor and auxiliary devices including a magnetic field generator, a current stabilizing power supply controller, a mass flow meter and the like which are sleeved on the outer portion of the fluidized bed. The process and the device enable the catalyst particles to form a magnetic stable bed by cooperative control of an external magnetic field and gas flow speed under the effect of the magnetic field, prevent catalyst particle from bonding flow loss, improve fluidization quality, strengthen gas-solid heat transfer and mass transfer, are small in temperature difference in a bed layer, improve carbon monoxide conversion rate and methane selectivity, simultaneously can prevent the catalyst particles from being brought out of the fluidized bed reactor by gas and reduce catalyst loss.

The invention relates to a recovery treatment process of mercury-containing waste hydrochloric acid, belonging to the chemical technical field. The process comprises the steps of: (1) filling the mercury-containing waste hydrochloric acid in an anion exchange resin tower to carry out ion exchange, and collecting the outflow hydrochloric acid; and (2) regenerating the anion exchange resin when themercury content of the outflow hydrochloric acid is over 0.1 mg / L: filling a regenerant from the bottom of the resin tower, collecting and oxidizing the regenerated waste liquor which flows out from the top of the tower, adding a precipitant in the oxidized waste liquor for precipitation, and filter-pressing to obtain mercury mud. According to the invention, the mercury-containing waste hydrochloric acid firstly passes through the anion exchange resin and the mercury in the waste hydrochloric acid is adsorbed by the resin to ensure that the obtained outflow hydrochloric acid can satisfy the national standard and is qualified industrial finished hydrochloric acid; then the mercury adsorbed on the resin is transferred into the regenerant waste liquor for oxidization, precipitation and filter-pressing to obtain the mercury mud which is sold to the manufacturers on demand as a product, and the filtrate is retreated via the anion exchange resin and then discharged under the standard.

The invention relates to a diesel engine tail gas particle catalyst, as well as a preparation method and a using method thereof. The catalyst consists of a catalyst carrier, a catalyst auxiliary and a catalyst active ingredient, wherein the catalyst auxiliary is loaded on the catalyst carrier; the catalyst carrier is gross-porosity microsphere silica gel with high mechanical strength; the catalyst auxiliary is metal oxide; the active ingredient is metal ruthenium. The preparation method of the catalyst comprises the following steps of: impregnating a precursor solution of metal oxide on the gross-porosity microsphere silica gel by adopting an equivalent-volume impregnation method, and baking at a certain temperature, thereby obtaining a composite-type carrier MOx / SiO2 (M refers to metal); impregnating a precursor of metal ruthenium with equal volume further on the composite carrier, and baking at a certain temperature, thereby obtaining a Ru / MOx / SiO2 catalyst. The using method of the catalyst is a fluidized bed catalytic method. Under the fluidized state, carbon oxide particles of the catalyst present highe activity and stability. The catalytic and oxidized diesel engine tail gas particles in the fluidized bed of the catalyst have lower oxidation temperature and higher CO2 selectivity.

The invention discloses a clean coal pressurized fluidized bed slag gasification process and system. By means of the gasification process and system, the problems that an existing pressurized fluidized bed industrial gasification process is complex, poor in coal applicability, low in gasification pressure, small in production capacity and low in gasification efficiency, the environment is polluted are solved. According to the technical scheme, the process includes the steps that raw material coal powder is pressurized and sent to a fluidized bed gasification furnace through a material inlet to react with a gasifying agent in a gasification mode, and crude synthesis gas and coal powder ash slag are obtained; the crude synthesis gad rises and is sent to a multi-pipe type cyclone separator through a top outlet of the fluidized bed gasification furnace to be dedusted, fluidizing agents are sprayed twice through a gasification spray nozzle to improve gasification efficiency, the coal powder ash slag is melt through a slag melting device, forms melt slag and then enters a slag quenching tank through a bottom outlet of the fluidized bed gasification furnace to be quenched and discharged through a slag locking hopper. The clean coal pressurized fluidized bed slag gasification process and system are simple in process, easy and convenient to operate, wide in coal applicability, high in gasification pressure, large in production capacity, high in gasification efficiency and environmentally friendly.

The invention discloses a manually-pushed anti-reversing automatic sweeper which comprises a wheel, a main driving wheel, a rear brush driving wheel, a centre-shaft fixed bracket, a main driven wheel, a shaft brush driving wheel, a front brush driving wheel, belts, a rear brush driven wheel, a base, a front brush driven wheel, a front brush, a universal wheel, a rear brush, a shaft brush, a shaft brush driven wheel, a centre shaft, a belt wheel shaft fixed bracket, a belt wheel shaft, wheel shafts, a garbage box and a handle, wherein the main driving wheel and the main driven wheel are connected by using the belt, the front brush driving wheel and the front brush driven wheel are connected by using the belt, the rear brush driving wheel and the rear brush driven wheel are connected by using the belt, and the shaft brush driving wheel and the shaft brush driven wheel are connected by using the belt. According to the invention, two side wheel shafts are respectively and separately arranged and turn flexibly, so that no dead cleaning corner exists; because of adopting a three-layer brush, the cleaning efficiency is high, and the dust control property is good; and a ratchet-and-pawl for connection is arranged between the main driven wheel and the shaft brush driving wheel, when the sweeper retreats, the wheel does not drive the shaft brush to reversely rotate so as to bring out garbage in the garbage box.

The invention discloses a multi-channel harmful gas detection device and method based on a micro-fluidic chip. The micro-fluidic chip is composed of two or more same single chips bound together into a column. The interior of each single chip is provided with a liquid storage tank, a barrier liquid mixing channel and a wheel-disc-shaped gas-liquid mixing channel, wherein the liquid storage tank is connected with the wheel-disc-shaped gas-liquid mixing channel through the barrier liquid mixing channel, and the wheel-disc-shaped gas-liquid mixing channel is connected with a gas-liquid outlet through a rising channel. Multiple light-emitting diodes, multiple light-sensitive diodes and a circuit chip are further arranged. The light-sensitive diodes transmit collected data to a computer, the volume of reaction harmful gas is obtained, a flow meter transmits the volume of gas pumped by a miniature gas pump to the computer, and the percentage of the harmful gas in air is obtained by dividing the volume of the harmful gas by the volume of the gas pumped by the miniature gas pump. The micro-fluidic chip technology and the optical detection technology are combined, the automatic sample pretreatment function is achieved, and the whole detection process is fully automatic.

The invention relates to transporting and arranging device of cargoes to be precisely positioned, in particular to a feeding and discharging device of an intelligent mobile robot. The feeding and discharging device comprises a frame, a moving mechanism, a multi-axis motion robot, a grabbing mechanism, a fork lifting mechanism, a fork mechanism and a clamping mechanism. The frame is arranged on rails and is driven to reciprocate on the same via the moving mechanism mounted on the frame. The multi-axis motion robot and the fork lifting mechanism are respectively mounted on the frame, the output end of the multi-axis motion robot is connected with the grabbing mechanism, the fork lifting mechanism drives the fork mechanism to lift, the fork mechanism with a clamping mechanism hidden inside extends out of two sides of a meter box on a wire side rack, and the clamping mechanism extends out of the meter box arranged on the frame. By the feeding and discharging device of the intelligent mobile robot, automatic operation in detecting an electric energy meter is realized, detection reliability and production efficiency are improved, and labor resources are saved. Besides, the feeding and discharging device is high in arrangement position accuracy, wide in application range and applicable to various working places.

The invention relates to the technical field of sewage treatment, and particularly relates to a precipitation device for treating small-particle-diameter precipitates in sewage. The precipitation device is characterized in that a sewage treating box is internally provided with a sewage precipitation cavity with an upward opening; a precipitate collecting cavity is partitioned under the sewage precipitation cavity by a horizontal precipitation-cavity partitioning plate; the precipitate collecting cavity is provided with an opening at the side wall of the right side of the sewage treating box; afirst precipitate collecting opening communicating the sewage precipitation cavity and the precipitate collecting cavity is arranged at the middle part of the precipitation-cavity partitioning plate;the precipitate collecting cavity is internally provided with a drawable box which can be drawn out of the right side of the precipitate collecting cavity; an upper side plate of the drawable box isin closed matching with the precipitation-cavity partitioning plate, and the position of the upper side plate of the drawable box, corresponding to the first precipitate collecting opening, is provided with a second precipitate collecting opening; and an opening is arranged at the right side of the drawable box, and the drawable box is internally provided with a precipitate clearing frame which can be drawn out of the opening position of the right side of the drawable box. The precipitation device has the advantage that the precipitates in the sewage can be better removed.

The invention discloses a rolling drier, which comprises a solar heat collector, a blower pipeline, a rolling drying chamber and a motor. Heat collection plates of the heat collector are multi-hole heat collection plates, roller wheels are arranged on a bracket of the drying chamber, and the drying chamber is connected with the motor through a gear structure and can roll under the drive of the motor. Teeth that are uniformly distributed on the periphery are arranged inside the drying chamber and can drive to-be-dried matter to roll over. The drying temperature of the system is around 30-50 DEG C, so that the quality of dried products is ensured.

The invention relates to the technical field of cooling tower equipment, and particularly relates to a water-saving fog-dissipation cooling tower. The water-saving fog-dissipation cooling tower comprises a cooling tower body, a water collection pool, a cooling coiled pipe, a first air inlet port, a water-spraying filler layer, a water distribution pipeline, a first spraying head and an exhaust fan, wherein a heat-exchange fog-dissipation mechanism is fixed to the upper part of the water distribution pipeline, and a second spraying head is arranged at the bottom of the heat-exchange fog-dissipation mechanism; the water collection pool communicates with a circulation water pipe; a first water outlet port and a second water outlet port are formed in the tail end of the circulation water pipe,the first water outlet port communicates with the water distribution pipeline, and the second water outlet port communicates with the top of the heat-exchange fog-dissipation mechanism; and a secondair inlet port is formed between the heat-exchange fog-dissipation mechanism and the water distribution pipeline. According to the water-saving fog-dissipation cooling tower, through the cooperation of the heat-exchange fog-dissipation mechanism and the second air inlet port, water vapor is condensed and falls down, so that the evaporation loss of spraying cooling water is effectively eliminated;and the water-saving fog-dissipation cooling tower is simple in overall structure, low in manufacturing cost, and economic and practical.

The invention discloses freeze-dried powder of fruit and vegetable extracts. Fruits and vegetables are taken as raw materials, a low-temperature extraction technology is adopted in the whole process, and obtained extracts keep natural color, flavor and taste of the fruits and the vegetables to the greatest extent; an anti-freeze agent which is prepared from natural plant raw materials and has a remarkable cryoprotective effect replaces traditional and existing cryoprotective agents in the vacuum freeze drying process of extracts, the freeze loss caused by a freeze-drying process is further greatly reduced, biological activity and nutritional value of the freeze-dried powder of the extracts are effectively improved, the freeze-dried powder of the extracts is scientifically compounded with functional dietary fiber powder, prebiotic factors and lactobacillus plantarum powder, the medicine and food nutrition balance property as well as functionality, solubility and the probiotic property of the freeze-dried powder of the extracts is remarkably improved, the guarantee period of a product is prolonged, and finally, the freeze-dried powder of fruit and vegetable extracts is prepared, contains more nutritional substances and bioactive substances and is high in function, good in anti-freezing effect and solubility and low in cost.

The invention discloses a township integrated sewage treatment system and belongs to the technical field of sewage filter equipment. The township integrated sewage treatment system is used for solvingthe problems that existing sewage treatment equipment is poor in treatment effect and does not classify impurities basically for maximum utilization of resources in the sewage treatment process. Thesystem comprises a filter pool, a water purification pool and a storage pool which are connected in sequence, wherein the filter pool comprises a box, a water inlet is formed in the top of the box, and a shunting device, a conveying device and a filter device are arranged in the box from top to bottom in sequence; the shunting device comprises a support plate, flow guide columns, vibrators and a vibration power supply, the support plate is arranged on the inner wall of the box, the flow guide columns are arranged on the support plate, the vibration power supply and the vibrators are arranged at the lower part of the support plate, and the vibration power supply is connected with the vibrators; the water purification pool comprises a pool body, and water purification plants for water purification are planted in the pool body.

The invention relates to a sludge scraping wiring sleeve for cleaning the outer wall of a drill rod and a wellhead drill rod sludge scraper comprising the sludge scraping wiring sleeve. The sludge scraper is structurally characterized in that: a hanging ring is arranged on a bracket, and the sludge scraping wiring sleeve is hung on the hanging ring. Through the sludge scraper, drilling fluid on the drill rod can be scraped, so that the drilling fluid is effectively prevented from being brought out, and the state of liquid level at a wellhead can be fully observed. In addition, the sludge scraper has the characteristics of flexibility in assembly and disassembly, convenience for carrying, simple structure, labor saving, high efficiency, benefit of observing the state of the wellhead, suitability for different drilling tool combinations and the like.

The invention discloses a defoaming device of a plate type falling film evaporator capable of enhancing vapor-liquid separation level and improving defoaming effect by rapidly reducing high-speed vapor streams. The defoaming device comprises an outer protective frame and a plurality of mutually parallel baffle plate damping vanes, wherein the plurality of mutually parallel baffle plate damping vanes are arranged in the outer protective frame; defoaming channels are formed among the baffle plate damping vanes; each baffle plate damping vane is bent into an inlet section, an outlet section and a bent section positioned between the inlet section and the outlet section and formed by bending the baffle plate damping vane for a plurality of times; and an exterior angle of the corner of the bent section is provided with an L-shaped fin used for obstructing the flow direction of steam. The invention has the advantages of being capable of rapidly reducing the vapor streams, obviously improving the defoaming effect, enhancing the defoaming efficiency and quality, preventing the effective components contained in secondary steam from being brought out and reducing the production cost.

The invention relates to the technical field of treatment of engine exhaust gas, in particular to an engine exhaust gas filtering device. A main body of the device consists of an inner cylinder and an outer cylinder; the inner cylinder is arranged in the outer cylinder, and is provided with an intake port and an exhaust port; the sectional area of an exhaust channel of the inner cylinder is gradually decreased in the direction from the intake port to the exhaust port; the inner cylinder is provided with a first exhaust port communicated with the exhaust port in the exhaust port; the cylinder wall of the inner cylinder is of a netty structure; an active carbon filter bin is arranged between the inner cylinder and the outer cylinder; a second exhaust port is formed in the outer cylinder; a baffle plate is arranged between the first exhaust port and the second exhaust port, and is provided with an exhaust hole; the baffle plate is provided with a filter screen in the exhaust hole; and an exchange port is formed in the outer cylinder. The device is reasonable in structure and convenient to use, and effectively prevents such problems as unsmooth exhaust of an engine and difficult starting due to exhaust gas barrier from a filter layer caused by high displacement of engine exhaust gas.

The invention discloses a vacuumized nitrogen filling and plugging device, which comprises a plugging part and a vacuumized nitrogen filling part, wherein the plugging part is connected with the vacuumized nitrogen filling part through a transition shifting wheel component; the vacuumized nitrogen filling part comprises a lifting shaft with a vacuum absorption function, and a connecting sleeve with a vacuumized nitrogen filling cavity; the lifting shaft is sleeved with the connecting sleeve; and the lower part of the lifting shaft is arranged into the vacuumized nitrogen filling cavity. The vacuumized nitrogen filling and plugging device has a simple structure and a wide applicability range and can reduce the pollution risk during plugging.

The invention discloses a hair clipper with a hair collecting device. The hair clipper is characterized by comprising a body, a clipping device, the hair collecting device, a first hair retaining plate and a first silica gel strip. The clipping device is used for clipping hair and disposed at the front end of the body. The hair collecting device comprises a collecting basket, a shaft and a collecting cavity. The collecting basket is a cylinder with a rectangular cross section. The cylinder is fastened to one side wall of the clipping device through a fastener. The first opening of the cylinder aligns with the upper end of the clipping device and the bottom edge of the first opening is abutted against the clipping device. The second opening of the cylinder extends towards the tail end of the body along the body. The first opening of the collecting basket is larger than the second opening of the collecting basket. The first hair retaining plate comprises two rectangular plates which are disposed on two sides of the first opening. The first silica gel strip is dispose on the inner side of the bottom edge of the first opening. The hair clipper with the hair collecting device is capable of collecting hair with low power consumption, convenient, practical, and low in production cost.