16results about How to "Unobstructed airflow" patented technology

The invention relates to the technical field of drying, and discloses a solar heat collection tube heating and drying device and a tube row manufacturing method thereof.The solar heat collection tube heating and drying device comprises a first rack, and a first heat collection module is arranged on an inclined mounting platform formed by a first-stage step and a second-stage step of the first rack; a drying cavity defined by first steel plates is installed on the outer wall of the three-stage step of the first rack, and a first partition plate is arranged in the drying cavity. A second partition is arranged on the top surface of the first partition, a third partition is arranged on the side wall of the second partition, and an air delivery pipe is arranged between the third partition and the first partition; an air inlet shutter is mounted on the first steel plate, a fan opposite to the air inlet shutter is mounted on the second partition plate, and an exhaust shutter is mounted on the first steel plate; a supporting beam located above the third partition plate is arranged on the first rack, a footstand is arranged on the supporting beam, and a drying bin used for drying corn is placed on the footstand; according to the device, the solar energy utilization rate is increased through the heat collection structure, heat collection and drying chambers are reasonably partitioned, the airflow circulation path is clear, and stable drying of corn is achieved.

The invention discloses a hot air penetration type drying system for wet spunlace and a working method of the hot air penetration type drying system. The system comprises a wall frame, a thermal cycle air supplement adjusting device and a circulating fan, and an upper-layer flow guide air plate, a rotary drum drying net and a lower-layer flow guide air plate are arranged in the wall frame; the upper-layer flow guide air plate is located above the rotary drum drying net, the lower-layer flow guide air plate is located below the rotary drum drying net, and the thermal cycle air supplement adjusting devices are arranged at an inlet and an outlet of the drying oven respectively. By means of the unique penetrating type design, hot air can directly act on the surfaces of materials, the drying time is greatly shortened, and meanwhile energy consumption is reduced.

The invention relates to the technical field of flue gas treatment, in particular to a tail gas soot trapping filter which comprises a cage type frame and a metal filter bag, a gas outlet and a gas inlet are formed in the cage type frame, and the metal filter bag is detachably arranged in the cage type frame; a plurality of vent holes are formed in the metal filter bag, the vent holes are filled with metal powder, and flocculent filter holes are formed by the metal powder and the vent holes in a high-temperature sintering mode; one end of the filter hole is communicated with the air outlet, and the other end of the filter hole is communicated with the air inlet; according to the tail gas soot collecting filter, the metal filter bag is arranged to filter tail gas of a diesel engine, so that the resistance of an air channel is small, the air channel is not prone to being blocked in the filtering process, the exhaust back pressure of the engine is not prone to being increased, and normal operation of the engine is facilitated.

The utility model discloses an arc extinguishing system of a DC molded case circuit breaker, which comprises an arc extinguishing chamber arranged on a static contact of the circuit breaker and used for performing arc extinguishing on the static contact; and the insulating baffle plate is arranged above the static contact so as to form insulating isolation between the arc extinguish chamber grid plate and the static contact. According to the arc extinguishing system of the DC molded case circuit breaker, through the arrangement of the insulating baffle plate, the isolation between the arc extinguishing chamber and the static contact can be effectively realized, and the risk that the arc extinguishing chamber and the static contact are broken down by the on-off arc can be well avoided.

This utility model relates to the field of valve technology, and in particular to a two-way valve and an explosion-proof valve. The two-way valve provided by this utility model includes a housing and a fixed base forming an air exchange channel, and a first movable member and a second movable member. At least a portion of the first movable member passes through the second movable member and extends into the fixed base. The first movable member is axially movable relative to the second movable member and the fixed base. When the first movable member moves in a first direction, the air outlet channel communicates with a first gap. When the first movable member pushes the second movable member to move in a second direction, the air inlet channel communicates with the first gap. The movement of the first movable member within the air exchange channel forms separate air outlet and air inlet channels, precisely controlling the airflow direction, avoiding turbulence and backflow, improving exhaust efficiency, and adapting to airflow pressure requirements in different directions.

The modular combined machining center comprises a machining center body, a dust suction mechanism is arranged on one side of the machining center body and comprises a dust collection box fixedly arranged on the machining center body, a first filter screen is arranged in the dust collection box, and an exhaust fan is installed at the bottom of the outer side face of the dust collection box; a corrugated pipe is connected to the dust collection box, a dust collection cover is arranged on the side, away from the dust collection box, of the corrugated pipe, a vibration motor is fixedly installed on the dust collection cover, and a sweeping mechanism is arranged in the dust collection cover. According to the modularized combined machining center, in order to solve the problem that an inlet of a suction pipeline is prone to being blocked due to the adsorbability of graphite dust, the vibration motor arranged on the dust collection cover can regularly vibrate, so that the graphite dust adsorbed to the inlet of the dust collection cover is loosened and falls off, and blocking caused by accumulation and adsorption of a large amount of dust is avoided; and it is effectively guaranteed that dust extraction work is continuously and stably carried out.

The invention discloses a portable respirator and relates to the technical field of medical instruments, the portable respirator comprises a respirator body, a quick release mechanism, an adjusting mechanism, a limiting mechanism and an oxygen tank, a mounting groove is formed in one side of the respirator body, a hinge is movably connected to a groove opening of the mounting groove, and the respirator body is movably connected with a mounting frame through the hinge; the breathing machine comprises a breathing machine body, a mounting groove is formed in the breathing machine body, a rack-driven quick release mechanism is mounted in the mounting groove, the mounting groove is movably connected with a breathing device through the quick release mechanism, a gear-driven adjusting mechanism is arranged on one side of the breathing machine body, a limiting mechanism is arranged on one side of the breathing machine body, and the breathing machine body is detachably connected with an oxygen tank through the limiting mechanism. According to the device, the first driving motor is rapidly disassembled and assembled, the downtime is shortened, secondly, a user can monitor the oxygen flow in real time and accurately adjust output by rotating the adjusting knob, the second driving motor controls the limiting plate, it is ensured that the oxygen tank is safely and conveniently connected, and the usability and safety of the device are improved.

The invention belongs to the technical field of cleaning, and particularly discloses a turbomachinery cleaning system which comprises an air supply device, a flushing device and a discharging device, the air supply device is used for supplying air to the flushing device, the flushing device is used for flushing a volute and an air inlet, and a gap is reserved between the flushing device and an impeller; the discharging device is used for discharging flushing gas in the volute and the gas inlet box; the flushing device comprises an air inlet flushing unit and a volute flushing unit, the air inlet flushing unit is used for flushing from the inlet direction of the impeller, and the volute flushing unit is used for flushing from the outlet direction of the impeller. According to the impeller cleaning device, it can be guaranteed that when equipment operates normally, adherends on the impeller can be removed, normal work of a system is not affected, maintenance time and cost are saved, and reliability and stability of equipment operation are improved.

The utility model discloses a quick heat annealing machine platform wafer bearing device, including U type board, one side fixed connection board of U type board is provided with a plurality of bearing plates in the U type groove of U type board, a plurality of bearing plate and the side arm of U type board all form the clearance between each other, the top height of U type board and a plurality of bearing plate is identical. Compared with the prior art, the utility model discloses a plurality of supports of U type board and bearing plate, prevent wafer bottom large -area suspension, so that wafer even breakage can stay in the top of the device, not only keep the first scene of breakage convenient to investigate the reason, also avoid wafer falling damage lower unprocessed wafer.

This utility model provides a sealed spline assembly nozzle, including a locking block with a first through hole at its center. A hollow integral sleeve is installed below the locking block, and a sealing material is installed between the locking block and the integral sleeve. A hollow sliding sleeve is installed on the integral sleeve, and a nozzle is installed at the distal end of the sliding sleeve. The fluid channel of the nozzle is axially connected to the inner cavity of the sliding sleeve. The integral sleeve includes a boss with a hollow protruding nozzle at its top center. A third through hole is located at the center of the sealing material, and the protruding nozzle passes through the third through hole and communicates with the first through hole. The bottom of the boss is connected to a hollow cylinder, and the inner cavity of the protruding nozzle communicates with the inner cavity of the cylinder. The sliding sleeve is slidably fitted onto the cylinder, and its inner cavity communicates with the inner cavity of the cylinder. The beneficial effects of this utility model are: through structural optimization, this utility model replaces the traditional external air pipe with an internal straight-through air pipe, which can effectively prevent air leakage and ensure the stable and reliable performance of the nozzle.

The utility model discloses an injection mold cooling mechanism, which belongs to the technical field of injection mold cooling equipment, and comprises a fan, the front end of the fan is fixedly connected with a grid-shaped water tank, the upper end and the lower end of the grid-shaped water tank are respectively provided with a pipe connecting seat in a sealing manner, a brush carrier is movably arranged in grids of the pipe connecting seats, and the brush carrier is movably contacted with the fan. And the upper end of the brush frame is fixedly connected with a pull frame. A tension spring is arranged between the pipe connecting base and the pulling frame, the pipe connecting base on the upper side is externally connected with a water source, the pipe connecting base on the lower side is connected with an injection mold pipeline, the pipe connecting bases are used for increasing the heat dissipation range, then the fan is used for blowing normal-temperature gas through the grid-shaped water tank, and the heat dissipation efficiency is further improved. When the pull frame is pulled upwards, the pull frame drives the brush frame to slide upwards, so that the brush frame cleans dirt in grids of the grid-shaped water tank, the dirt in the grids of the grid-shaped water tank is convenient to clean, and smooth airflow is guaranteed.

The utility model discloses a vertical oil mist separation and collection device in the field of oil mist separation, which comprises a collection box, an oil collection funnel is arranged at the bottom of the collection box, an air inlet is arranged on the side surface of the oil collection funnel, an oil discharge outlet is arranged at the bottom of the oil collection funnel, a collection tank is correspondingly arranged below the oil discharge outlet, and an air outlet is arranged at the top of the collection box. A plurality of mounting openings are formed in the periphery of the device, a separator is detachably arranged corresponding to each mounting opening, each separator comprises a mounting plate and a baffle, an alpha angle is formed between each mounting plate and the corresponding baffle, and a supporting plate is arranged between each mounting plate and the corresponding baffle. The multiple baffles are distributed in a crossed mode to divide the inner cavity of the collecting box into a labyrinth type ventilation path. According to the utility model, the convenience of equipment installation and maintenance can be improved.

This utility model discloses a laminar flow bed air vent curtain device, including a laminar flow bed, a bed frame, and an air intake fan. A canopy frame is fixedly connected to the side of the bed frame, and a protective canopy is movably connected to the canopy frame. An air vent blocking component is detachably installed on the air intake fan. The air vent blocking component includes a fixed base, and two pipe clamps are fixedly connected to the fixed base. A protective cover for preventing the canopy from blocking the air intake of the air intake fan is detachably installed on the pipe clamps. With the above device, when the canopy is too long or may sag due to airflow, the auxiliary pulley on the fixed base cooperates with the pressure pulley on the side of the laminar flow bed. The torsion spring inside the pressure pulley clamps and fixes the folded canopy, preventing the canopy from being attracted by the airflow of the air intake fan and blocking the protective cover. This ensures unobstructed airflow to the air intake fan, maintains stable clean airflow in the laminar flow bed, and reduces the weakening of air purification effect and the risk of patient infection caused by the canopy blocking the air intake.

The present invention belongs to the technical field of core rod rolling, and discloses a system for preparing a laminated core rod, which includes a first core material unwinding, folding and flavoring component, a second core material unwinding, folding and flavoring component, a pre-forming device, a cigarette tongue, a forming paper supply part, a cigarette gun and a cutting piece. The core rod is made of the first core material and the second core material, which are intermittently folded by the first core material and the second core material unwinding, folding and flavoring components, respectively, and then fixed as a whole into an orderly stacking state that is symmetrical left and right and symmetrical up and down by the pre-forming device, and then gathered by the cigarette tongue and wrapped with forming paper. The core material in the laminated core rod includes a continuous folding section and a straight section. The problem that the preparation of core rods for different purposes under the prior art is not universal and the uniformity of the core material is difficult to control is solved.

The invention discloses a perforated flow guide air plate for wet spunlace drying and a working method thereof.The flow guide air plate comprises an upper-layer flow guide air plate and a lower-layer flow guide air plate, the upper-layer flow guide air plate and the lower-layer flow guide air plate are both installed in a drying oven, the upper-layer flow guide air plate is installed on the upper portion of the drying oven, and the lower-layer flow guide air plate is installed on the lower portion of the drying oven. And the lower-layer flow guide air plate is mounted at the lower part of the drying oven. By means of the unique penetrating type design, hot air can directly act on the surfaces of materials, the drying time is greatly shortened, and meanwhile energy consumption is reduced.

The utility model relates to the technical field of drying equipment, and discloses a drying box for producing soft sweets, which comprises a box body, the box body is provided with a drying cavity, a plurality of partition plates which are vertically arranged at intervals are arranged in the drying cavity, and an air inlet cabin and an exhaust cabin which are communicated with the drying cavity are further arranged on two sides of the box body; a filter screen and a cleaning mechanism are further arranged in the exhaust cabin, the cleaning mechanism comprises a brush and a driving part connected with the brush, the brush is arranged on the side, close to the drying cavity, of the filter screen and makes contact with the filter screen, and the driving part is in transmission connection with the brush to drive the brush to move on the filter screen; the fan is arranged on the upper side of the box body, an air inlet pipe is connected between the fan and the air inlet cabin, an exhaust pipe is connected between the fan and the exhaust cabin, a heating assembly is arranged on the air inlet pipe, and a water absorption assembly is arranged on the exhaust pipe. When starch accumulates on the filter screen, the driving piece drives the brush to move on the filter screen, the starch can be removed from the filter screen, the filter screen is prevented from being blocked by the starch, smooth airflow is guaranteed, and the drying efficiency is improved.