309results about How to "Smooth circulation" patented technology

The invention relates to an energy-saving enthalpy difference test room, which comprises two adjacent rooms, namely an indoor environment simulation room and an outdoor environment simulation room, and further comprises an indoor air handling unit, an outdoor air handling unit and an indoor and outdoor air exchange unit, the outdoor environment simulation chamber is used for placing an outdoor unit of an air conditioner to be tested, the indoor air processing unit is installed in the indoor environment simulation chamber and can adjust the temperature of the indoor environment simulation chamber, and the outdoor air processing unit is installed in the outdoor environment simulation chamber and can adjust the temperature of the outdoor environment simulation chamber. The indoor and outdoor air exchange unit is communicated with the indoor environment simulation chamber and the outdoor environment simulation chamber, and cold / hot air generated by the indoor unit of the tested machine can be introduced into the outdoor environment simulation chamber.

The invention relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet with a self-adaptive environment adjusting mechanism, and the power distribution cabinet comprises a cabinet body which is used for fixing and supporting internal electrical elements; the automatic dehumidification assembly is mounted on the outer side of the cabinet body and is used for dehumidifying the cabinet body when detecting that the moisture content in the cabinet body is too high; the cleaning assembly is installed on one side of the cabinet body and used for conducting anti-blocking treatment on a filter screen arranged outside the cabinet body, and the driving assembly is installed outside the cleaning assembly and used for driving the cleaning assembly. By adding the automatic dehumidification assembly, the humidity in the power distribution cabinet can be effectively reduced, and the risk of electrical short circuit caused by a humid environment is reduced. By discharging moisture, safe operation of electrical equipment is guaranteed, and fire and electric shock accidents caused by moisture are avoided. And meanwhile, corrosion and aging processes can be slowed down, the service lives of the power distribution cabinet and internal components are remarkably prolonged, and the maintenance and replacement cost is reduced.

The invention discloses garden plant waste smashing equipment which comprises a scattering mechanism, a shaking-off mechanism, a cleaning mechanism and a smashing mechanism, the smashing mechanism is composed of a shell, a motor, a first crushing roller, a second crushing roller, a first gear and a second gear, the motor is installed on the outer wall of the shell, and the first gear is installed on the outer wall of the shell. An output shaft of the motor is fixedly connected with the first crushing roller, the first crushing roller penetrates through the rotary connecting shell, the second crushing roller penetrates through the rotary connecting shell, the first gear is fixedly connected to the axial outer wall of the first crushing roller, and the second gear is fixedly connected to the axial outer wall of the second crushing roller. By means of the device, juice left after smashing can be cleaned, juice residues are avoided, meanwhile, garden waste is effectively scattered, waste of different shapes and sizes can evenly enter the smashing link, the overall smashing quality is improved, and large particle residues are reduced.

The invention discloses a heat dissipation type remote network automatic control server, and relates to the technical field of control servers, the heat dissipation type remote network automatic control server comprises a control server case, a dustproof plate arranged on the control server case, a heat dissipation module installed on the dustproof plate and equipped with a power supply, and a dustproof partition plate arranged on the dustproof plate, the dustproof partition plate is fixed to the dustproof plate through a connecting piece, the dustproof plate is provided with a disassembly and assembly mechanism matched with the control server case, and the dustproof plate and the heat dissipation module can be rapidly disassembled from the control server case through the disassembly and assembly mechanism; the ash removal unit is mounted on the heat dissipation module; through the integrated design of the dustproof plate and the heat dissipation module, the cleaning process is simplified, a user can easily disassemble the dustproof plate, meanwhile, the heat dissipation module can be disassembled, simultaneous cleaning is facilitated, the problem that dust of fan blades in traditional equipment is difficult to clean is solved, the convenience of equipment maintenance is improved, and the cleaning and maintenance work is simplified.

The invention discloses injection molding equipment and an injection molding method thereof, and belongs to the technical field of injection molding. The injection molding equipment comprises a counter, an injection molding machine and a forming mold, one end of the counter is provided with the forming mold, the other end is provided with the injection molding machine, one end of the injection molding machine abuts against the forming mold, the other end is provided with a hopper, and a heating mechanism is arranged between the two ends; an injection molding machine comprises a first injection molding section, a driving section, a pushing section, a second injection molding section and a nozzle which are sequentially connected and communicated, the nozzle abuts against a forming mold, and a hopper is arranged on the first injection molding section; the injection molding equipment has a very good homogenizing effect on molten plastic, can remove insoluble impurities or incompletely molten raw materials contained in fluid, can play a very good filtering role, avoids blockage, prolongs the service life of the injection molding equipment, improves the production efficiency of the injection molding equipment, and protects the precision and stability of the injection molding equipment.

The utility model relates to the technical field of solar photovoltaic power generation, and discloses a folding solar photovoltaic power generation device with ventilation and heat dissipation functions, which comprises a box body, a fixed column is fixedly connected onto the box body, a motor is fixedly connected onto the fixed column, the output end of the motor is fixedly connected with a first gear, and the output end of the first gear is fixedly connected with a second gear. The first gear is rotatably connected to the fixing column, and the first gear is fixedly connected with a first fixing plate. According to the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions, when the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions is used, the motor is started, the motor drives the first gear to drive the six sets of solar panels to be folded and stored, and when the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions is used, the motor drives the six sets of solar panels to be folded and stored. The solar panel can be unfolded by starting the motor in the forward direction, the contact area with sunlight is increased, the photovoltaic power generation efficiency and yield are effectively improved, when not in use, the solar panel can be folded and retracted by starting the motor in the reverse direction, the occupied area of the device is reduced, and storage and transportation are facilitated.

A rigid-flexible integrated multifunctional lower limb rehabilitation training device comprises a base (100), a flexion and extension support (200), a hip and knee joint flexion and extension autonomous training control mechanism (300), an ankle joint dorsal extension and plantar flexion training mechanism (400), a hip and ankle joint inward and outward rotation autonomous training mechanism (500) and a hip joint adduction and abduction autonomous training mechanism (600). Mainly comprises a flexion and extension hand pull rope (310), a pedal plate (320) and a pedal pull rope (330); a support plate (410) and an elastic member (420); the internal and external rotation training device comprises a support frame (510), an internal and external rotation training arc-shaped track (520), an internal and external rotation roller (450) and an internal and external rotation training pull rope (530), the gear (620) is meshed with the adduction and abduction training arc-shaped track (610), and the adduction and abduction training pull rope (630) is arranged on the adduction and abduction training arc-shaped track (610). The lower limb core muscle group rehabilitation training device integrates multiple modes such as multiple joints, multiple degrees of freedom, passive, assisting and active as soon as possible in the lying position, can simulate gait training in the lying position, and effectively promotes early rehabilitation of a patient.

The utility model relates to the technical field of medical equipment, and discloses a chest drainage device for thoracic surgery, which comprises a drainage bottle, a drainage tube and a fixed needle. A drainage bottle, a drainage tube, a fixed needle head, a cleaning tube, a valve, a connector, a cleaning needle, a plugging device and the like are arranged and used in cooperation, when the drainage tube is blocked, the needle head of the cleaning needle is connected with the connector, then the valve is opened, the cleaning needle is used for injecting dissolving liquid into the drainage tube through the connector, the valve and the cleaning tube, blocked blood clots and pus are dissolved, and the blood clots and the pus are cleaned. Then sucking and cleaning blockages are carried out, smooth circulation of the drainage tube is guaranteed, meanwhile, the plugging device is started to plug one end close to the fixed needle head, the cleaning needle is prevented from influencing a patient when sucking the blockages in the drainage tube, then the valve is closed, the plugging device is started, and the drainage tube can continue to smoothly complete drainage work of the patient; operation is simple and convenient, and drainage efficiency is improved.

The invention discloses a comfortable and firm medical fixation belt, which relates to the technical field of medical fixation belts and comprises a fixation belt body, both side surfaces of the fixation belt body are provided with storage bags, the interiors of the two storage bags are respectively provided with a main side strap and a secondary side strap, a ventilation mechanism, the ventilation mechanism is composed of a support component and an adjustment component, the support component comprises: a back support plate and a plurality of side support plates, the surface of each horizontal plate is provided with a plurality of ventilation holes, the adjustment component comprises: a plurality of adjustment boxes, the plurality of adjustment boxes are located inside the fixation belt body, and a tensioning mechanism, the tensioning mechanism comprises: two movable plates, the two movable plates are respectively located on the both side surfaces of the fixation belt body, and a connecting frame is provided on one side surface of the movable plate. In the present scheme, by providing the ventilation mechanism and the tensioning mechanism, the restraint and discomfort that may be caused by the traditional fixation belt during breathing are avoided, the stuffiness of the wearer is reduced, and the wearing comfort and health are improved.

The invention relates to the related technical field of transformers, in particular to a distribution line alternating current ice melting expansion type voltage regulating device which comprises a transformer, a cooling mechanism is arranged on the surface of one side of the transformer, a fixing mechanism is arranged on the upper surface of the transformer, and a protection mechanism is arranged on the upper surface of the transformer. And a high-voltage terminal is fixedly mounted on the upper surface of the transformer. According to the alternating current ice melting expansion type voltage regulating device for the power distribution line, the corrugated radiator is made of a special material and has excellent heat dissipation performance, and heat dissipation holes in the surface of the corrugated radiator enable air circulation to be smoother, so that heat dissipation efficiency is improved; cooling liquid in the water tank is circularly conveyed to the corrugated radiator through the cooling pipe, heat is absorbed and taken away through flowing of the cooling liquid, then the heat flows back to the water tank through the water conveying pipe for cooling circulation, and a complete heat dissipation system is formed.

The invention provides a heat recovery device of an air preheater, relates to the field of heat recovery of air preheaters, and aims to solve the problems of flue gas heat loss and insufficient heat recovery in the prior art. The device comprises an air preheater body, a flue gas filter, a fan, a preheating outer frame body, a heat preservation shell plate and the like. The air preheater body is provided with an air inlet pipe opening, an air outlet pipe opening and a heat exchange cavity, and a two-stage filter screen plate of the flue gas filter ensures that the flue gas is clean. The fan drives the spiral blades to make smoke flow spirally, and the circulation path is increased. A spiral liquid guide channel of the preheating outer frame body is communicated with a heat exchange pipeline, and heat exchange between water and smoke and heat exchange between the water and the smoke and the outer shell body are achieved through a booster pump. The heat preservation shell plate reduces heat loss. All the components work cooperatively, heat loss of the shell is effectively reduced, heat recovery efficiency is improved, and the heat exchanger is suitable for the fields of industrial boilers and the like and has remarkable energy-saving and environment-friendly significance.

The present invention relates to the technical field related to permanent magnet motors, and discloses a large-torque explosion-proof permanent magnet motor with a cooling and regulating function, comprising a self-regulating heat dissipation component, an active heat dissipation component, a drive component, an integrated exhaust and collection device, and a dynamic thermal management wind control unit arranged in sequence from the tail to the end, the dynamic thermal management wind control unit comprising a second wind control unit component and a first wind control unit component, the first wind control unit component is arranged above the second wind control unit component, and the first wind control unit component and the second wind control unit component are arranged alternately; the present invention uses the second wind control unit component and the first wind control unit component, the second wind control unit component and the first wind control unit component are symmetrically arranged and staggered, and work together to achieve alternating suction and discharge of airflow, and when the drive device in the first wind control unit component is started, the drive device will push the arc push plate to move outward.

The invention provides a gravity energy storage single-channel circulating device which comprises an energy storage system, a power generation system, a guide rail system and a weight block, the energy storage system and the power generation system each comprise a loading mechanism and an unloading mechanism, and the guide rail system comprises a first guide rail and a second guide rail; the loading mechanism of the energy storage system is connected with the unloading mechanism of the power generation system through a first guide rail, and the unloading mechanism of the energy storage system is connected with the loading mechanism of the power generation system through a second guide rail. The weight block is spherical, the first guide rail and the second guide rail each comprise an inclined part, and the spherical weight block can move from one loading mechanism to the other corresponding unloading mechanism along the inclined parts. According to the gravity energy storage single-channel circulating device, circulating reciprocating motion of weight blocks between two systems can be achieved, circulation of the weight blocks in a single-channel mode is achieved, under the condition that energy consumption can be reduced, the energy conversion rate is increased, the overall structure is simple, the occupied area is small, circulation is smooth, and the operation efficiency can be improved.

The invention discloses a graphite crucible for carbonization of a lithium battery negative electrode material, and relates to the technical field of lithium battery negative electrode material carbonization equipment, the graphite crucible comprises a rack, a pot body fixedly arranged on the rack, and a gland slidably arranged on the rack along the vertical direction, the top end of the pot body is provided with an opening, and the gland is used for sealing the opening at the top end of the pot body; a central cylinder is fixedly arranged in the pot body, a first ventilation opening and a second ventilation opening are formed in the side wall of the central cylinder, the pot body is communicated with a ventilation pipeline, the ventilation pipeline is communicated with the first ventilation opening, an air inlet pipe penetrates through the gland, a first valve is arranged on the air inlet pipe, the ventilation pipeline is communicated with an exhaust pipe, and a second valve is arranged on the exhaust pipe. And a gas circulation module for promoting the inert gas to circulate in the pot body is arranged in the central cylinder. According to the invention, the temperature uniformity and the gas circulation in the carbonization process can be effectively improved, and the risk of caking of the negative electrode material due to local high temperature is reduced.

The utility model relates to the field of fastener production, and discloses a fastener disc material annealing rack, which comprises a blanking rack and a feeding rack, the blanking rack and the feeding rack both comprise cylindrical supporting cylinders, the bottom of each supporting cylinder is fixedly provided with an annular bottom plate, the inner hole of each bottom plate is smaller than the inner hole of each supporting cylinder, the height of the blanking rack is smaller than 1.8 m, the height of the feeding rack is smaller than 1.5 m, and the bottom of each supporting cylinder is fixedly provided with an annular bottom plate. The feeding frame is stacked on the top of the discharging frame for use, a plurality of conical stiffening plates are fixed to the inner wall of a supporting cylinder of the discharging frame in the vertical direction, a plurality of vertical stiffening ribs are arranged at the upper ends of the conical stiffening plates, a plurality of air holes are formed in the supporting cylinder of the discharging frame and the supporting cylinder of the feeding frame, and hoisting mechanisms are arranged at the top end of the discharging frame and the top end of the feeding frame. According to the utility model, the problems in the prior art that a plurality of coils of wire rod raw materials are sleeved on one material rack during annealing, so that the supporting plate at the bottom of the material rack is very easy to deform and damage in the long-term use process of the material rack, and the wire rod raw materials are difficult to stably place and support can be solved.

The invention relates to the technical field of sewage treatment, and discloses an electric flocculation sludge dewatering treatment device which comprises a base, a supporting stand column is fixedly connected to the upper surface of the bottom of the base, a reaction tank is fixedly connected to the top of the supporting stand column, and a feeding port is fixedly connected to the left side of the reaction tank; an electrode adjusting mechanism is fixedly connected to the interior of the reaction tank, an anode cleaning mechanism and an anode replacing mechanism are fixedly connected to the outer surface of the electrode adjusting mechanism, a supporting plate is fixedly connected to the bottom of the reaction tank, and a dehydration system is fixedly connected to the right side of the reaction tank; the upper surface of the supporting plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with fan blades, the distance between the electrodes is adjusted, the distance between the anode and the cathode in the same direction and the distance between the anode and the cathode in the opposite direction are adjusted, the operation efficiency and stability in industrial production are improved, and the device adapts to different sludge treatment capacities or treatment requirements.

The utility model relates to the technical field of ultrasonic gas meters, in particular to a flow channel module connecting structure and an ultrasonic gas meter. The air outlet pipe comprises an air inlet end and an air outlet end, the flow channel module comprises a connecting end which is inserted in a sealed mode and communicates with the air inlet end of the air outlet pipe, and the connecting end is detachably connected with the air inlet end of the air outlet pipe; the connecting end of the flow channel module is directly inserted into the air inlet end of the air outlet pipe, and then the connecting end is connected with the air inlet end; compared with the prior art, the structure does not need other additional parts to complete installation of the flow channel module, the number of parts is reduced, the overall weight is reduced, and the ultrasonic gas meter is lighter and convenient to transport and install. Meanwhile, due to the simplified structure, the manufacturing cost is reduced, the production and assembly links of redundant parts are omitted, and the production efficiency is improved; and the plug-in connection does not depend on a specific watchcase structure, can be flexibly adapted to watchcases of different models or manufacturers, and is higher in universality.

The utility model provides a domestic sewage treatment system which comprises a tank body, and the tank body is provided with a grating sand setting chamber, a sand filter chamber, an oil absorption chamber, a facultative chamber, an aerobic chamber and an MBR (membrane bioreactor) chamber which are communicated in sequence; the grid sand setting chamber is communicated with a domestic sewage inlet pipe, a communication port between the grid sand setting chamber and the sand filter chamber is arranged at the middle upper part of the corresponding chamber wall, a grid filter screen is arranged in the grid sand setting chamber, the grid sand setting chamber is divided into a sewage area and a filter area by the grid filter screen, and a vibrator corresponding to the grid filter screen is arranged outside the grid sand setting chamber. According to the utility model, the domestic sewage is sequentially subjected to primary filtration, secondary filtration, oil stain removal and physical and biochemical combined action to improve the decomposition of organic matters in the sewage, the organic matters are further decomposed through aerobic operation, the sewage is finally purified through the MBR chamber, and the purified water is discharged to finish the purification treatment of the domestic sewage. The sewage flows smoothly in the whole process, and the sewage treatment efficiency and effect are improved.

The utility model belongs to the technical field of spraying disinfection of sterilization cabinets, and particularly relates to a sterilization cabinet with a spraying function, which comprises a spraying component, a protective shell component is mounted at the bottom of the spraying component, and an adjustable support plate component is mounted in the protective shell component; the spraying assembly comprises a pesticide storage tank, a motor is fixedly connected to the top of the pesticide storage tank, a connecting rod is fixedly connected to the top of the motor, a stirring rod is fixedly connected to the outer wall of the connecting rod, a connecting pipe is fixedly connected to the side of the pesticide storage tank, and a water pump is fixedly connected to the end of the connecting pipe. The side of the water pump is fixedly connected with a liquid outlet pipe, one side of the liquid outlet pipe is fixedly connected with a fixing clamp, and the other side of the liquid outlet pipe is in threaded connection with a spray head. Threaded connection has good sealing performance, liquid medicine can be prevented from leaking in the conveying process, the stability of liquid medicine spraying pressure is guaranteed, and then the spraying range and strength can be effectively controlled.

The utility model discloses a wall flow type honeycomb ceramic green body with high filtering efficiency. The wall flow type honeycomb ceramic green body comprises a green body, the blank body comprises a first filter body, a second filter body and a third filter body which are sequentially distributed from left to right, a first air inlet hole is formed in the left side face of the first filter body, a first air outlet hole is formed in the right side face of the first filter body, a second air inlet hole is formed in the left side face of the second filter body, and a second air outlet hole is formed in the right side face of the third filter body; according to the wall-flow type honeycomb ceramic green body with the high filtering efficiency, carbon particles in waste gas are filtered in a multi-stage mode, the filtering effect of the wall-flow type honeycomb ceramic green body is improved, and the wall-flow type honeycomb ceramic green body with the high filtering efficiency has the advantages of being high in filtering efficiency, high in practicability and high in practicability. The situation that the small filter holes are blocked by large particles is avoided, it is guaranteed that waste gas smoothly circulates in the wall-flow type honeycomb ceramic body, and the filtering efficiency of the wall-flow type honeycomb ceramic body is high.

The invention discloses a pharmaceutical composition for redness removal and repair and a preparation method thereof, belonging to the technical field of skin disease treatment, which is an ointment prepared from raw materials according to the following weight ratio: 8-10 parts of chamomile, 6-12 parts of oriental rhizome, 5-10 parts of sophora flavescens, 6-12 parts of cnidium monnieri, 6-15 parts of kochia scoparia, 1-5 parts of small molecule sodium hyaluronate, 9-15 parts of ectoine, 3-10 parts of safflower, 6-12 parts of ophiopogon japonicus, 9-12 parts of mountain peony, 9-12 parts of white peony; the ointment is composed of an ointment matrix, a nanostructured lipid carrier of a Chinese medicine extract and glycerol, and the ointment matrix is ​​honey. The pharmaceutical composition for redness removal and repair finally prepared can increase the thickness of the stratum corneum, has a good healing effect on patients with persistent facial flushing and already formed telangiectasia, and can remove redness from the face.

The utility model discloses an antibacterial air filter, which relates to the technical field of air filters, and comprises a shell, a transmission mechanism is rotatably mounted in the shell, the end part of the transmission mechanism is connected with a chassis, the chassis is provided with a clamping groove I, and an impurity filtering layer is inserted in the clamping groove I; a second clamping groove is formed in the bottom of the shell, a sterilization filtering layer is clamped in the second clamping groove and arranged on the outer side of the impurity filtering layer in a sleeving mode, a top cover is arranged at the end of the shell, an air inlet is formed in the top cover, and an exhaust outlet is formed in the side wall of the shell. According to the utility model, through the rotation of the side wheel, the gear disc drives the impurity filtering layer to rotate, so that air entering the impurity filtering layer is in uniform contact with the impurity filtering layer, blockage or failure caused by overuse of a local area is avoided, the air is promoted to flow more uniformly in the filtering layer, and the air filtering effect is improved. Particulate matters and impurities have more opportunities to be captured, so that the overall filtering effect is improved.

The utility model discloses a full-bore eccentric ball valve with a flow guide hole, which relates to the technical field of ball valves and comprises a valve body, a valve rod, a valve core and a sealing body, the flow guide hole is arranged on the valve core, sealing air bag rings are arranged on the valve core and positioned at openings at two ends of the flow guide hole, and an inflating component connected with the sealing air bag rings is arranged outside the valve core. A sleeve is arranged outside the valve element, the valve rod is rotationally connected to the sleeve, a reset spring is connected between the sleeve and the valve rod, and an extrusion piece used for extruding the inflation assembly is arranged on the valve rod. When the valve is opened, the two ends of the flow guide hole are sealed with the openings in the two sides of the valve body respectively, so that a medium is prevented from rushing into a cavity between the valve body and the valve element in the process of passing through the flow guide hole, vibration and noise generated by the valve in the medium circulation process are effectively reduced, and the service life of the valve is prolonged. And meanwhile, the flowing resistance of the medium can be reduced to a certain extent, and the stability of the medium passing through the valve is improved.

The application provides a kind of biological organic fertilizer efficient aerobic fermentation device, it relates to organic fertilizer fermentation technical field, including: base;The base is fixed with support, the upper portion of support is hinged with baffle, and support is installed with screw rod lifting seat A and screw rod lifting seat B by bolt, and the screw rod in screw rod lifting seat A and screw rod lifting seat B is connected with the lower end of baffle by pin shaft, and the input shaft of screw rod lifting seat A is connected with the input shaft of screw rod lifting seat B with connecting rod;The application integrates stirring, oxygen supply, fungicide spraying, material conveying, waste gas treatment and other multiple functions, forms complete fermentation process system, through the collaborative work of each hydraulic rod, motor and transmission mechanism, can be flexibly adjusted according to different material characteristics and fermentation process parameters, is suitable for efficient fermentation production of various biological organic fertilizer, has strong environmental adaptability and process expandability, helps to improve the automation level and product quality stability of organic fertilizer production.

The utility model discloses refrigeration equipment, and relates to the technical field of refrigeration equipment, the refrigeration equipment comprises a door body and a box body, the door body is connected to the front side of the box body, the box body is provided with a compressor bin, at least part of the compressor bin is located at the front part of the box body, the box body comprises a press cover plate, and the press cover plate is constructed to be the side wall, close to the door body, of the compressor bin. The press cover plate is provided with a ventilation opening communicated with a compressor bin, when the door body is in an open state, the ventilation opening is not shielded, ventilation is smooth, the door body is provided with a concave part, when the door body is in a closed state, the concave part corresponds to the ventilation opening in position, and the concave part can reserve a receding space for air flow circulation, so that smooth ventilation of the ventilation opening is guaranteed; and the heat dissipation effect is improved.

The utility model discloses a combustion control device for an RTO (Regenerative Thermal Oxidation) incinerator, which relates to the technical field of combustion control of incinerators and comprises a bracket, and a control valve II is fixedly mounted on the outer surface of a transmission pipe; an adjusting mechanism used for controlling the combustion size is arranged between the controller and the conveying pipe and comprises a fuel gas inlet fixedly formed in the outer surface of the controller. According to the combustion control device for the RTO incinerator, external air is conveyed through the air inlet, the air circulates in the conveying pipe, a first control valve is installed on the side, close to the air inlet, of the conveying pipe, the circulating air is controlled through the first control valve, and the air is conveyed into a combustion-supporting air pipeline through the conveying pipe; the sealing disc is installed at the connecting position of the pipeline, so that the sealing performance of the pipeline is improved, the gas leakage phenomenon is avoided, the situation that the gas circulation size cannot be adjusted when the first control valve is damaged is avoided through the second control valve, the guarantee for equipment is improved, and the safety of the pipeline is guaranteed.

This application relates to the field of air respirator masks, and more particularly to an air respirator mask with a quickly fixed Bluetooth microphone, comprising a base, a lens mounted on the outside of the base, and a mouth and nose mask mounted on the lower side of the base. The lens abuts against the side wall of the mouth and nose mask, and a receiving cavity is formed on the upper side of the mouth and nose mask. The Bluetooth microphone is detachably fixed to the inner wall of the receiving cavity. This application has the effect of reducing obstruction of the worker's lower field of vision by changing the installation method of the Bluetooth microphone, thereby increasing the worker's full field of vision and binocular field of vision.

This utility model discloses a self-driven wastewater circulation mixer, including a cylinder, a cylinder cover, an additive storage tank on top of the cover for adding additives into the wastewater inside the cylinder, a drain pipe at the bottom of the cylinder for discharging the mixed wastewater, a first inlet pipe on the side wall of the cylinder arranged tangentially to allow the wastewater inside the cylinder to flow clockwise, a second inlet pipe on the side wall of the cylinder, and a self-driven stirring mechanism inside the cylinder. The second inlet pipe guides the wastewater to impact the self-driven stirring mechanism, causing the wastewater inside the cylinder to circulate axially. The mixer has a first inlet pipe guiding the wastewater inside the cylinder to flow clockwise for convenient radial mixing of wastewater and additives, and a second inlet pipe guiding the impeller to rotate counterclockwise. The impeller drives the propeller blades to rotate, causing the wastewater to circulate axially, allowing wastewater and additives of different depths to mix more quickly.

The utility model discloses a portable compressed oxygen self-rescuer detector, which relates to the technical field of detection instruments, and comprises a box body, an operation panel and a box door, a plurality of grooves are formed in the box door in a penetrating manner, rotatable hose reels are arranged in the through grooves, and a gas pipe is wound on the hose reels, so that the compressed oxygen self-rescuer can be detected. During use, the hose reel is rotated in the direction close to the inner wall of the box door, after the hose reel is rotated in place, one end of the air pipe is pulled and inserted into a corresponding air hole in the operation panel, then the hose reel is rotated reversely, after the hose reel is rotated in place, the other end of the air pipe is pulled and inserted into the compressed oxygen self-rescuer, and the compressed oxygen self-rescuer is inserted into the compressed oxygen self-rescuer. In this way, the multiple air pipes are separated through the through grooves, winding and bending among the multiple air pipes are avoided, it is ensured that air in the pipes flows smoothly, and the practicability and the detection accuracy of equipment are improved.

The invention relates to the technical field of sulfur hexafluoride (SF6) gas thermocatalytic degradation, and discloses an SF6 dynamic degradation device which comprises a gas feeding unit, a reaction unit and a product post-treatment unit, and the reaction unit is a vertical reaction tube arranged vertically. A catalyst supporting component is arranged in the reactor, the catalyst supporting component is annular, and holes for gas to penetrate through are formed in the catalyst supporting component. According to the invention, the gas feeding unit, the reaction unit and the product post-treatment unit are integrated, and the reaction tube is arranged to be vertical, so that gas can uniformly move downwards under the assistance of gravity, the catalytic efficiency is further improved, the integrality of the device is improved due to high integration, and the overall movement and convenient use of the device are facilitated.