67results about How to "Enter into realization" patented technology

The invention relates to a testing device for detecting pressure distribution in a hole by simulating hydra-jet fracturing under actual working conditions. The testing device comprises a supporting pipe body and a testing piece, wherein a through hole is formed in the testing piece axially, and the testing piece is fixed in the supporting pipe body; one end of the testing piece is sealed, the other end of the testing piece is provided with a jet plate, and a through hole in the jet plate corresponds to the through hole in the testing piece; a liquid charging pipe stretches into the supporting pipe body, and a nozzle is arranged at the front end of the liquid charging pipe and corresponds to the through hole in the jet plate; and a plurality of pressure testing joints which can be connected with a pressure testing device are arranged outside the testing piece axially, and the pressure testing joints are communicated with the through hole in the testing piece so as to detect the axial pressure change in the through hole. By the testing device, the condition that pressure in simulation perforations changes along with an axial position can be detected, so that reliable testing data are provided for a research on a hydra-jet fracturing mechanism, and theoretical and experimental bases are provided for a process design of on-site construction.

The invention discloses a fingerprint identification module of an optical structure based on collimated light extraction and a preparation method of the fingerprint identification module. The fingerprint identification module comprises a fingerprint identification sensor array and further comprises the optical structure arranged on the fingerprint identification sensor array and used for collimated light extraction. The optical structure comprises an upper nanometer grating layer, a lower nanometer grating layer and a polymer dispersed liquid crystal (PDLC) layer arranged between the upper nanometer grating layer and the lower nanometer grating layer. By applying the method, the process flow can be simplified, the thickness of the fingerprint identification module is reduced, and Miss-is avoided. And moreover, the fingerprint identification precision can be improved.

The invention relates to the field of medical instruments, in particular to an alveolar lavage fluid collector. The alveolar lavage fluid collector comprises an outer single-cavity pipe with an opening in the tail end, an inner single-cavity pipe, a water suction pipe, a perfusion pipe and a retractable mechanism control device; the inner single-cavity pipe is disposed in the outer single-cavity pipe, a cavity is formed between the inner single-cavity pipe and the outer single-cavity pipe, the top of the outer single-cavity pipe is used for being inserted into the body of a patient, the innersingle-cavity pipe penetrates through the tail end of the outer single-cavity pipe to be connected to the retractable mechanism control device, and the water suction pipe is disposed in an inner cavity of the inner single-cavity pipe; one end of the water suction pipe sequentially penetrates through the inner single-cavity pipe and the outer single-cavity pipe and is communicated with the top of the outer single-cavity pipe. The end, away from the outer single-cavity pip, of the water suction pipe sequentially penetrates through the inner single-cavity pipe and the retractable mechanism control device and extends out of the retractable mechanism control device to be communicated with a negative pressure collector.

The invention relates to a water plugging method for lower-layer water of a thin-interlayer heavy oil reservoir and an adopted water-plugging agent system, and belongs to the technical field of oil exploitation. The water plugging method comprises the following steps: a nitrogen foam slug is injected into a water outlet oil layer to restrain the lower-layer water from invading into an interlayer;then an interlayer gel slug is injected and mainly composed of water glass, a water glass cross-linking agent and water, the interlayer gel slug enters the interlayer, and after gelatinization, poresin the interlayer are plugged; and then a plugging gel slug is injected and mainly composed of alkali lignin, an alkali lignin cross-linking agent and water, the plugging gel slug enters the boundaryof the oil layer and the interlayer, and after gelatinization, the boundary of the oil layer and the interlayer is plugged. According to the water plugging method for the lower-layer water of the thin-interlayer heavy oil reservoir, the three slugs are adopted to mainly plug the lower part of the oil layer, the interlayer and the upper part of a water layer, the lower-layer water is restrained from running into the oil layer, and the development effect on the thin-interlayer heavy oil reservoir is improved.

The invention belongs to the technical field of communication and electronics, and discloses a dual authentication face access control system and an information authentication method. The camera of acentral processing unit acquires a facial image of an entry user, processes and compares the face, and performs first authentication; the central processing unit transfers the facial image of the entry user to a remote control terminal through a wireless signal transmission device, and performs second authentication on the face of the entry user through the remote control terminal; when the facialinformation of the entry user is not matched with pre-stored registration information, the information is compared with information pre-stored in a blacklist; and, if the information is matched withthe information in the blacklist, an alarm is given in time through an alarm device. According to the dual authentication face access control system and the information authentication method disclosedby the invention, the first authentication of the identity is carried out through the central processing unit; furthermore, second authentication of the identity information also can be carried out through the remote control terminal; and thus, the security and the reliability of the access control system are ensured.

The invention relates to a device with a guide unit for moving a furniture pullout relative to a body and furniture. The guide unit comprises a body rail capable of being fixed on the body, a pullout rail mounted on the furniture pullout, a middle rail acted between the body rail and the pullout rail, and a supporting mechanism for transferring loads which is capable of mounting rail in the manner of relative motion in order to reliably move the rail for a pullout length of the rail. According to the invention, the supporting structure comprises a supporting element contained in the middle rail and / or the pullout rail. If the supporting element is contained on the middle rail in order to support the furniture pullout at the state of pulling in the furniture pullout, the supporting elementis positioned on the body rail. If the supporting element is contained on the pullout rail, the support element is positioned on the middle rail. When the furniture pullout is drawn out, no support from the supporting element exists.

The invention relates to an outdoor integrated cabinet of a base station and an assembling method thereof. The outdoor integrated cabinet comprises a base, a front door, a temperature control rear door, side plates and a top cover plate, wherein the side plates are arranged at the two sides of the upper end of the base, the top cover plate is arranged at the top ends of the two side plates, and the front door and the temperature control rear door are arranged on mounting bases of the side plates. According to the outdoor integrated cabinet provided by the invention, cold air can be sucked into a cabinet on the base by taking the lifting power of hot air current of equipment, so as to complete cold and hot exchange of integral space in the cabinet, effectively cool equipments in the cabinet, and effectively improve the energy efficiency of the equipment; furthermore, an air outlet of the cover plate at the top of the cabinet is of a built-in type structure, and rainwater cannot enter the cabinet in bad weather; in addition, a sealing structure of the front door and the rear door can keep good airtightness in a severe climatic environment, and air inlet of the base can adopt an air inlet with adjustable air volume and secondary filtering function to further improve the dust prevention performance of the cabinet.

The invention discloses face recognition security inspection equipment for school entrance guard. The face recognition security inspection equipment comprises a base, wherein two door frames are arranged at the top part of the base, the door frames are fixedly connected with the base, a connecting box is arranged between the two door frames, two sides of the connecting box are fixedly connected with the two door frames respectively, and an entrance guard passage mechanism is arranged on the rear sides of the door frames, an anti-following mechanism is arranged on the front side of the door frame, the access control passing mechanism comprises two linear guide rails, the two linear guide rails are respectively arranged on the adjacent sides of the two door frames, and a fixing rod is arranged between the two linear guide rails. A limiting clamping block is inserted between two limiting blocks, so that the two limiting blocks are pushed to be away from each other, then the limiting clamping block enters a limiting clamping groove, the limiting clamping block limits a movable pin to move, meanwhile, the movable pin moves in the direction of a fixed block, the movable pin is separatedfrom a limiting groove, therefore limiting on a fixed disc is relieved, and then the stop lever can be pushed to enter, and follow-up personnel is stopped by the stop lever.

The invention discloses a circuit for driving an antenna of a vehicle keyless entry and starting system. The circuit comprises an antitheft base station (1), a vehicle keyless starting antenna (2) and a vehicle keyless entry antenna (3). The antitheft base station (1) and the vehicle keyless starting antenna (2) are connected with each other to form a vehicle keyless starting control circuit, and the antitheft base station (1) and the vehicle keyless entry antenna (3) are connected with each other to form the vehicle keyless entry control circuit. The circuit is characterized in that a relay (4) is arranged between the vehicle keyless starting control circuit and the vehicle keyless entry control circuit, and only one of the vehicle keyless starting control circuit and the vehicle keyless entry control circuit can be in a closed state at a time by the aid of the relay. The circuit has the advantages vehicle keyless entry and starting effects can be realized by the aid of the driving capacity of the antitheft base station under the switching effect of the relay without individual antenna driving chips, accordingly, the production cost can be reduced, and the purpose of realizing the vehicle keyless entry and starting effects can be achieved.

The invention provides a self-suction CEMS multi-point flue gas sampling device and a control method, and aims to overcome the problems of long sampling time and measurement lag. A sampling pipe is connected to the outlet flue of an air preheater. The characteristic that the outlet flue pressure of the air compressor is 1-2KPa lower than the outlet pressure of a denitration reactor is utilized, the pressure difference is far greater than that of the pressure head of a sampling pump and the flue gas can naturally and quickly flow by virtue of the pressure difference so that the quick replacement of the flue gas in the sampling pipe is realized, the sampling lag is eliminated, and the flue gas sampling speed not only depends on the sampling pump, but also depends on the natural circulation of the flue gas by virtue of the flue gas pressure difference between the denitration outlet and the outlet of the air pre-heater. Furthermore, a sampling branch pipe is connected before the pipeline of the sampling pipe passes through the sampling pump of the CEMS, the flue gas is extracted by the sampling pump to enter a CEMS analyzer and experimental verification shows that the sampling time ofthe mode can be shortened by more than 90%.

The invention discloses an air improvement device. The air improvement device comprises a fan component, an air amplification pipeline component and an air improvement component, wherein the air amplification pipeline component comprises an air inlet and an air outlet; an air outlet of the fan component is formed in the air inlet side of the air amplification pipeline component to ensure that the blast air of the fan component can be sent into the air amplification pipeline component; the cross sectional area of the air inlet of the air amplification pipeline component is greater than the cross sectional area of the air outlet of the fan component; and the air improvement component is arranged in the air amplification pipeline component or on the air outlet side of the air amplification pipeline component. The air improvement device has a layered air amplification pipeline which is capable of absorbing airflow more than the original blast air flow of a fan to enter the pipeline, and the air improvement device arranged on the passageway of the amplification pipeline is used for improving the air, so that the improvement of air with greater area and greater volume is realized, the improvement efficiency is improved and the energy saving and environment friendliness are realized.

The invention relates to an automatic air blowing and filtering system applied to air inlets of transportation tools. The automatic air blowing and filtering system comprises an air filtering frame, wherein an air-filtering air inlet is formed in one side of the air filtering frame; an air-filtering air outlet is formed in the other side of the air filtering frame; a middle flow guider is arrangedbetween the air-filtering air inlet and the air-filtering air outlet; air admission flow guide surfaces are arranged on two sides of the middle flow guider; the lower ends of two air admission flow guide surfaces are connected with a main air channel flow guide surface; an outside flow guide angle and an outside flow guide surface are arranged on the middle flow guider; a plurality of flow guiders are mounted in the air-filtering air inlet or the air-filtering air outlet in a transverse direction; the flow guiders are vane type flow guiders of curved-surface structures; gaps are formed amongthe plurality of flow guiders; an air inlet channel or an air outlet channel is formed between every two adjacent flow guiders; a main air channel is formed between the lower ends of the flow guidersand a filtering screen; the filtering screen is mounted in the air filtering frame along a length direction of the main air channel. According to the automatic air blowing and filtering system, air energy equipment does not need to be additionally arranged; the system is capable of automatically blowing the air by using the self-generated reverse airflow when the transportation tools run; meanwhile, the automatic air blowing and filtering system has the advantages of simple structure, no maintenance, convenience in mounting and use and excellent air blowing and filtering effect.

The invention provides an ultrafine pulverizing and grading device for a capsule drug and a technical method thereof, and belongs to the technical field of pulverizing devices. The device comprises anair source system, an ultrafine pulverizing mechanism, a grading mechanism and a collecting mechanism, wherein the air source system comprises an oil-free air compressor, an air storing tank which isconnected to the oil-free air compressor, and an air freezing dryer which is connected to the air storing tank; the air freezing dryer is connected to the pulverizing mechanism; the ultrafine pulverizing mechanism comprises a feeder, an ultrafine pulverizing chamber which is connected to the feeder, and a first discharging port which is connected to the ultrafine pulverizing chamber; the gradingmechanism comprises a grading chamber, a grading wheel which is arranged in the grading chamber, a motor which is connected to the grading wheel, and a second discharging port which is formed in the upper part of the grading chamber; the collecting mechanism comprises a cyclone collector which is connected to the second discharging port, and a pulse reverse-blowing cloth dust collector which is connected to the cyclone collector; and the pulse reverse-blowing cloth dust collector is connected to an induced draft fan. The device is novel in structure, reasonable in design, capable of pulverizing, grading and collecting the drug in one time, and free from dust pollution.

The invention discloses a high-airtightness passive house and a construction process thereof. The high-airtightness passive house comprises a wall body, wherein a roof is mounted at the top end of the wall body, a solar panel is mounted at the top end of the roof, a fresh air assembly is mounted at the top of the wall body, and an air exchange chamber is formed in the middle of the top of the wall body. According to the high-airtightness passive house, by arranging the air exchange chamber, an inner air cavity, an outer air cavity, an air conveying groove, an upper air hole, an arc-shaped baffle, a lower air hole, an air inlet pipe and an air inlet hole, the lower air hole is opened, and air enters the air conveying groove, the outer air cavity, a connecting air pipe and the inner air cavity from the lower air hole; and finally 2, by arranging the connecting air pipe, an exhaust pipe and an exhaust baffle, cold air in the air exchange chamber is preheated through waste heat of hot air passing through the inner air cavity and the outer air cavity, the preheated air enters a room through the air inlet hole, the temperature difference between outdoor air and indoor air is reduced, fresh air can enter the room during refrigerating and heating, thus the indoor air is fresher, and the environment is more comfortable.

The invention relates to an automatic material sliding device and a smelting furnace using the automatic material sliding device. The automatic material sliding device comprises a material bearing chute and a discharging chute pipe provided with a material sliding control mechanism, and the material sliding control mechanism comprises a gate plate, a force arm rod and a reset unit. The force arm rod is arranged on the discharging chute in a rotatable and penetrating mode and comprises an in-pipe rod section located in the discharging chute pipe and an outside-pipe rod section located outside the discharging chute pipe. The gate plate is installed on an inside-pipe rod section, and the reset unit is connected with the outside-pipe rod section and has a first state in which a circulation passageway of the discharging chute pipe is closed through the gate plate and a second state in which the gate plate follows up when the gate plate is impacted by materials and drives the power arm rod to rotate. While the material sliding function of the automatic material sliding device is guaranteed, smoke in the furnace can be prevented from overflowing or external air can be prevented from entering the furnace under the condition that feeding is not conducted, and automatic opening and closing of the gate plate can be achieved. When the automatic material sliding device is applied to the smelting furnace, stable and reliable operation of the smelting furnace can be guaranteed, and smelting flue gas is prevented from polluting the environment or the external air is prevented from entering the furnace to influence production.

The invention relates to the technical field of household appliances, and particularly relates to an uncovering power-off structure and an electric heating appliance. The uncovering power-off structure comprises a cover body and a switch, and further comprises a containing cavity and an ejector rod, wherein the containing cavity is formed below the cover body and is suitable for being separated from a storage cavity, and an opening is formed in the end face, facing the cover body, of the containing cavity; one end of the ejector rod is arranged on a trigger part of the switch, and the other end of the ejector rod is arranged in the opening; and when the cover body is closed, the ejector rod abuts against the cover body so as to drive the trigger part. According to the uncovering power-offstructure, the switch is arranged in the containing cavity, the containing cavity and the storage cavity are arranged in a separated mode, so that water in the outside is preliminarily prevented fromdirectly entering the containing cavity, and waterproof protection of the switch is realized.

The invention discloses an electric reactor convenient to dissipate heat and a method for dissipating heat of an electric reactor; the electric reactor comprises a water tank, a threaded rod and a second motor, an electric reactor body is installed above the water tank, a top frame is connected to the upper portion of the electric reactor body, the electric reactor body is wrapped with a circulating water pipe, the upper end of the circulating water pipe is connected with a first diverter, the electric reactor body is installed at the other end of a second connecting pipe, a water pump is arranged on the second connecting pipe, a gear is arranged on a transmission shaft, the tooth surface of the gear is meshed with a rack, and a first motor is connected to an impeller. According to the electric reactor convenient to dissipate heat and the method for dissipating heat of an electric reactor, water in a water tank is pumped into the circulating water pipe through the water pump for heat exchange, then cold air is blown into the air holes through the heat dissipation fan to cool the water in the water tank, in this way, water cooling of the device can be achieved, and dust is prevented from entering through a protective shell; and dust entering is reduced, so that the heat dissipation performance of the device after long-time use can be stable.

The invention discloses a method for spat culture of Vietnam mactra veneriformis. The method comprises the following steps of (1) selecting parent shells of Vietnam mactra veneriformis with full gonads, drying in a shady area, stimulating, and inducing to lay spawns and sperms; (2) washing the spawns, and hatching; (3) culture of larva: after a zygote grows into a D type larva, setting the spat culture density to 5-8 spats per milliliter, and feeding isochrysis, wherein the feeding quantity is 30000 to 100000 isochrysis per milliliter, and 1 / 3 to 1.2 of water is replaced at morning and night each day; (4) after the D type larva enters the later larva phase, moving the D type larva into an outdoor water tank with bottom sand, wherein the water depth is 100cm, the water temperature is 25 to 32 DEG C, the salt content is 80 to 260%, and the sinking attaching density of larva is 10000 to 15000 larva per liter; (5) when the young shell density exceeds 120 young shells per square centimeter, loosening the spats. The method has the advantages that the spat culture density is increased, and the industrialized large-batch spat culture is realized; according to the mucus secretion habit of the Vietnam mactra veneriformis larva, the sand stone is fed into the culture tank to absorb the mucus, so as to avoid the death of Vietnam mactra veneriformis larva.

The invention discloses a cigarette holder aromatic bead adding machine. A housing body is internally provided with an accommodation cavity and a leading hole which have openings at the upper ends, the upper end of the housing body is provided with a cover body capable of moving between the position jointly covering the accommodation cavity and the leading hole and the position capable of openingthe leading hole, the upper end of the housing body or the bottom of the cover body is provided with a channel for allowing an aromatic bead in the accommodation cavity to enter into the leading hole,and the leading hole is internally provided with a top rod used for supporting the aromatic bead entering into the leading hole. First, the housing body is shaken or tilted to allow at least one aromatic bead to enter into the leading hole through the channel, the cover body is moved to the position opening the leading hole, a filter cigarette holder is inserted in the leading hole and is drivento move downwards relative to the top rod along the leading hole, in the process of the filter cigarette holder moving downwards relative to the top rod along the leading hole, due to the fact that the top rod is relatively stationary to the leading hole, so the aromatic bead on the top rod can be pushed into the filter cigarette holder, aromatic bead adding is achieved, in the whole process of aromatic bead adding, grabbing the aromatic bead by hand is not needed, the efficiency can be improved, and the health is ensured.

The invention provides a dustproof screen window. The dustproof screen window comprises a framework, a mesh arranged in the framework, a vibrating device arranged on the framework, and a dust screen connected with the vibrating device, where the dust screen is used for preventing dust from entering the screen window. When dust is accumulated to a certain degree, the vibrating device is started todrive the dust screen to perform vibration to shake out dust on the dust screen, and the fact that dust in the air passing the window is removed is realized, so that the interior of a room can be little affected by dust, the cleaning pressure of the interior of the room is reduced, invaded bacteria can be reduced while dust is eradicated.

The crankshaft connecting rod structure comprises a machine body, a crankshaft and a connecting rod, the crankshaft comprises a crankshaft journal, a supporting journal and a fixed-distance journal, and a first copper sleeve, a second copper sleeve, a third copper sleeve and a fourth copper sleeve are arranged on the contact surfaces of the crankshaft journal, the connecting rod and the machine body correspondingly; the first copper sleeve, the second copper sleeve, the third copper sleeve and the fourth copper sleeve are provided with a first oil inlet, a second oil inlet, a third oil inlet and a fourth oil inlet respectively, the outer end face of the first copper sleeve and the outer end face of the second copper sleeve are sealed through sealing structures, and the lower end of the connecting rod is closed and provided with a first oil outlet. The inner end face of the third copper sleeve and the inner end face of the fourth copper sleeve are sealed through sealing structures, a second oil outlet is formed below the third copper sleeve, an axial fixing assembly is arranged at the position, on the right side of the crankshaft, of the fixed-distance journal in a sleeving mode, and a third oil outlet is formed below the axial fixing assembly. The structure provided by the invention has the characteristics of recyclable lubricating oil, good lubricating effect, sanitation, environmental protection and the like.

The invention provides an electronic clamp feeding device, and belongs to the technical field of electronic accessories. The electronic clamp feeding device comprises a machine frame bottom plate, a vibration feeding mechanism and an electronic clamp grabbing mechanism; a linear vibration material groove of the vibration feeding mechanism is installed on a vibration material groove supporting assembly, the left end of the linear vibration material groove is connected to a vibration feeding machine, and an electronic clamp pressing plate is installed on the two sides of the upper end of the linear vibration material groove; a linear vibration adjusting plate of the vibration material groove supporting assembly is installed on an I-shaped supporting base through connecting screws of the adjusting plate, and the linear vibration adjusting plate is further in threaded connection with vibration limiting screws; and a fixed material groove is formed in the right end of the linear vibration material groove, the electronic clamp grabbing mechanism is arranged on one side of the fixed material groove, and a grabbing clamping finger air cylinder of the electronic clamp grabbing mechanism isconnected to a grabbing first clamping finger and a grabbing second clamping finger. According to the electronic clamp feeding device, electronic clamps can be automatically and stably fed one by one,the electronic clamps are small in position deviation, structure is reasonable and compact, reliability is good, and the automation degree is high.

A sterile insertion method of a seminiferous duct for artificial insemination of pigs comprises four steps as follows: material selection, material assembly, preparation before insertion of the seminiferous duct and insertion of the seminiferous duct. According to the scheme, the inlet end, where a rubber head is arranged, of the seminiferous duct is wrapped with an aseptic bag, so that the seminiferous duct is prevented from being contacted with the outside when the seminiferous duct is inserted into the front end of the vagina of a sow, and the womb of the sow is prevented from being infected by bacteria carried by the seminiferous duct. The rubber head at the inlet end of the seminiferous duct is wrapped in the aseptic bag by a flexible rubber band, the aseptic bag is folded to sleeve the seminiferous duct, after the seminiferous duct is inserted into the vagina of the sow, the aseptic bag is pulled manually to keep static, and the seminiferous duct is continuously pushed until the seminiferous duct enters the cervix of the womb or the womb of the sow without carrying bacteria. According to the technical scheme, the sterile insertion method has the advantages of convenience in operation, simplicity in material selection, low requirement for washing of the vulva of the sow and good anti-infection effect.

The invention discloses a fingerprint identification module based on an optical structure taken out by collimated light and a preparation method thereof. The fingerprint identification module includes: an array of fingerprint identification sensors, and further includes: an An optical structure for extracting direct light; wherein, the optical structure includes: upper and lower nano-grating layers, and a polymer dispersed liquid crystal PDLC layer arranged between the upper and lower nano-grating layers. The application of the present invention can simplify the technological process, reduce the thickness of the fingerprint identification module, avoid the Miss-align problem, and can improve the accuracy of fingerprint identification.

The invention discloses an escape door which comprises a door frame. A door plate is hinged to the door frame. A door closer connected with the door plate is arranged on the door frame. A limiting ring strip is arranged on one side in the thickness direction of the door frame. A hinge shaft is fixedly arranged on the side, back on to the limiting ring strip, of the door plate. The hinge shaft is fixed to the door plate and is close to the end, hinged to the door frame, of the door plate. The hinge shaft is sleeved with an actuating rod rotating around the axis of the hinge shaft. A limiting plate is fixedly arranged on the door plate. A reset mechanism is arranged on the door plate. When the actuating rod is driven by the reset mechanism to rotate around the hinge shaft to make contact with the limiting plate, the actuating rod is in a vertical state. A guide mechanism is arranged on the door plate. A magnetic lock is arranged on the door plate. When the actuating rod rotates to make contact with the limiting plate, the magnetic lock can restrain the actuating rod from rotating in the direction back on to the limiting plate. A protection cover is arranged on the door plate. The escape door has the effect of allowing people to conveniently pass through an aisle and rapidly opening the escape door.

The invention relates to the technical field of law enforcement detection equipment, in particular to an air-pump-free type alcohol tester and a detection circuit, and aims to overcome the defects that in the prior art, when an air pump is used for extracting air for alcohol detection, the suction amount of air suction of the air pump is too large, too much air is easily sucked, and the error of an alcohol detection result is large. According to the technical scheme, the air-pump-free type alcohol tester comprises an airflow channel used for enabling air to circulate, an air pumping assembly used for pumping air is arranged in the airflow channel and comprises two symmetrically-arranged one-way doors, and the two one-way doors are fixed to the inner side wall of the airflow channel and are arranged to seal the airflow channel when the two one-way doors are static, the one-way doors are arranged to point to the air outlet from the air inlet of the airflow channel, the two one-way doors are each provided with a vibration generation element, and the product has the advantages that errors caused by the fact that a detection result is affected by air during alcohol detection are reduced, and the accuracy of the detection result is improved.

The double-channel dry-type desulfurization device comprises a dry-type desulfurization cavity, a material spraying device and a breathable sealing plate, the dry-type desulfurization cavity is in the shape of a rectangular shell, air inlet pipes are arranged at the bottoms of the two sides of the dry-type desulfurization cavity, a conical discharging hopper is arranged at the bottom of the dry-type desulfurization cavity in a hollow mode, and the material spraying device is arranged at the bottom of the conical discharging hopper. A gas outlet pipe is arranged on the right side of the top of the dry-type desulfurization cavity, a material spraying device is arranged at the top of the dry-type desulfurization cavity and comprises a spray head and a material pipe, the spray head is arranged at the top end in the dry-type desulfurization cavity and communicated with the outer side of the top of the dry-type desulfurization cavity through the material pipe, and the breathable sealing plates are arranged at an opening of a gas inlet pipe of the dry-type desulfurization cavity. According to the invention, calcium carbonate powder subjected to high-temperature calcination is sprayed into the dry-type desulfurization cavity through the material spraying device, so that dry-type desulfurization of tail gas is completed, and the calcium carbonate powder is prevented from entering the gas inlet pipe through the breathable sealing plate.

The invention discloses a private part examination probe for the obstetrics and gynecology department. The private part examination probe comprises an examination probe body, wherein a round hole is formed in the right side surface of the examination probe body, a round corner is arranged at the edge of the rightmost side of the round hole, a first circular ring is fixedly connected to the rightmost side of the inner wall of the round hole, and a first blocking piece is hinged to the right side surface of the first circular ring. According to the private part examination probe for the obstetrics and gynecology department, warm water in a heating electric water tank can enter a first water pipe by starting a micro hydraulic cylinder, so that the warm water enters a first sleeve, a third piston and a fourth piston are connected with a second sleeve in a sliding mode, when the water pressure in the heating electric water tank is increased, the third piston can be effectively pushed to move leftwards, therefore, the purpose that the warm water can enter the examination probe body is achieved, the purpose that the examination probe body can be pushed out of the first sleeve through water pressure is achieved, and the problem that most examination probes do not have the heating effect is solved.

The invention provides an automatic furnace-entering heating and automatic exiting mechanism for glass bars, which only needs to arrange holes matched with glass bar stocks on the front face of an electric-heating furnace without arranging electric-heating furnace doors on two sides of the electric-heating furnace so that reconstruction cost is reduced, and a large amount of heat energy is saved. The automatic furnace-entering heating and automatic exiting mechanism comprises a crawler belt which is supported on a supporting frame through crawler wheels, a fixing crawler belt sleeve is arranged on the crawler belt, and an extendable seamless tube is movably arranged in the fixing crawler belt sleeve. The automatic furnace-entering heating and automatic exiting mechanism is characterized in that a spring seat is fixed on the extendable seamless tube, one end of a spring is supported on the spring seat, the other end of the spring is fixed in the fixing crawler belt sleeve, and a pushing device is arranged at one end of the extendable seamless tube.

A device for producing biogas by straw fermentation comprises a barrel, a motor and an electric cylinder, wherein the side upper part of the barrel communicates with an exhaust pipe, the electric cylinder is mounted at the upper part of the barrel, a connecting rod is mounted at an output end of the electric cylinder, barbs penetrating through the upper wall of the barrel are uniformly mounted onthe connecting rod at equal intervals, the side part of the barrel communicates with a feeding pipe, a crushing bin is mounted at the feeding end of the feeding pipe, the motor is mounted on the sideof the crushing bin, a blade is mounted at the output end of the motor, a water pump is mounted on the side of the barrel, a spray head is mounted at the water outlet end of the water pump, and the spray head is mounted in the feeding pipe. the motor drives the blade to rotate to crush straw, the crushed straw directly enters the barrel, the electric cylinder drives the connecting rod and the barbs to realize disturbance, and environmental pollution is avoided, and the overflow of biogas is effectively increased.