22results about How to "Flow adjustable" patented technology

The utility model belongs to the field of underground self-rescue facilities, and particularly relates to a water supply rescue and compressed air self-rescue combined device. Comprising a box body with an opening in the side face, and a water supply rescue device and a compressed air self-rescue device are arranged in the box body; a water supply self-rescue unit of the water supply rescue device and a compressed air self-rescue unit of the compressed air self-rescue device are distributed in a row within the opening range of the box body; according to the water supply rescue and compressed air self-rescue combined device, a water supply rescue device and a compressed air self-rescue device which are originally independent are integrated in the same box body, and the problems that a traditional split device is dispersedly installed and inconvenient to operate, and personnel need to switch the position back and forth are thoroughly solved; the interfaces (the water supply branch pipes and the compressed air masks) of the two self-rescue units are distributed side by side in the opening range of the box body, so that a user can quickly and conveniently use the water supply and compressed air self-rescue functions simultaneously or alternately at the same position and facing the same operation surface, and the cooperative operation efficiency in an emergency is greatly improved.

The utility model discloses an adjustable flushing aspirator, which belongs to the technical field of medical instruments and comprises a handle and a tube component, an anterior chamber with an opening at the front end, a first channel and a second channel are arranged in the handle, and the first channel and the second channel are communicated with an inner cavity of the anterior chamber and isolated from each other. The tube assembly comprises a suction tube arranged in an inner cavity of the anterior chamber and connected with the first channel and a flushing tube connected to the outer side of the suction tube in a sleeving mode and connected with the anterior chamber, the second channel is communicated with a radial gap between the suction tube and the flushing tube through an annular gap formed between the suction tube and the inner cavity of the anterior chamber, and the second channel is externally connected with a flushing connecting tube. The flushing connecting pipe is provided with a flow adjusting assembly used for adjusting the communication section area of the flushing connecting pipe and the second channel, and the surface of the handle is provided with a pressure adjusting hole communicated with the first channel. According to the utility model, the suction channel and the flushing channel can be separated from each other, and the flushing flow and the negative pressure can be adjusted as required.

The utility model relates to gas detection technical field, the utility model provides a kind of portable gas calibration device, can realize portable flow adjustable, gas species selectable, configuration accurate, simple operation and safe use. The utility model device can produce five kinds of standard gas in hydrogen in air, hydrogen in oxygen, hydrogen in nitrogen, oxygen in hydrogen and oxygen in nitrogen, when producing hydrogen in air, can not use standard gas cylinder, by extracting field air after pretreatment as carrier gas to carry out gas distribution;When producing other gas, only need to be equipped with a bottle of carrier gas standard gas. The utility model gas distribution principle is simple, concentration is accurate, greatly facilitates the calibration of on-site analyzer, realizes portable flow adjustable, gas species selectable, configuration accurate, simple operation.

The application relates to a storage room system and method suitable for island material storage and seawater desalination, and belongs to the island life health field. In view of the problems of food perishability and freshwater shortage on islands, the application provides a storage room system suitable for island material storage and seawater desalination, which mainly comprises a refrigeration system, a plasma system and a seawater desalination system. The application realizes refrigeration and cooling of the storage space and provides a relatively suitable working temperature for the coupled plasma generating device by extracting low-temperature seawater to cool the refrigerant and arranging the evaporation pipeline around the storage room. Fresh water is prepared by utilizing the high humidity of island air, the air is heated through the convection effect of the compressor, the filtered air is humidified to the saturated state through the spraying device, and the fresh water is prepared through condensation. The application fully adapts to local conditions, utilizes the climate advantages and unique renewable energy of the South China Sea islands, and practically solves the actual needs of life.

The invention relates to the technical field of centrifugal pumps, and discloses a self-suction centrifugal pump flow adjusting device and method.The self-suction centrifugal pump flow adjusting device structurally comprises a support, a driving motor set, an elastic coupler, a pump body, a self-suction noise reduction cavity, a dustproof assembly and a variable flow guide noise reduction mechanism. A variable flow guide noise reduction mechanism is mounted in the cavity, when an eccentric column on the rotating disc does eccentric motion, a connecting rod in sliding fit with the eccentric column is driven to swing on the fixing frame, and the connecting rod swings left and right through the limiting effect of a top sliding block, so that a plurality of swinging blocks are driven to swing synchronously; the multiple flow guide blades can be controlled to synchronously rotate, the flow area of the pump body is changed, the flow rate is adjusted, the sound absorption lining plate is installed in the self-absorption noise reduction cavity, noise generated during gas-liquid separation in the pump body can be absorbed through the formed sound absorption holes and the sound absorption cotton layer, and the noise reduction effect is achieved.

The invention discloses a range hood which comprises an exhaust fume collecting hood and a fan system, the fan system further comprises an upper air inlet, a lower air inlet, an exhaust fume collecting hood, an exhaust fume collecting hood and an exhaust fume collecting hood, and the upper air inlet is formed in a shell of the fan system, penetrates through the shell of the fan system and is communicated with the air inlet end of a fan of the fan system; the flow guide cover is arranged in the upper air inlet in a penetrating manner, an outlet of the flow guide cover corresponds to a fan air inlet end of the fan system, the flow guide cover extends in the height direction of the range hood, and an inlet of the flow guide cover extends outwards from a shell of the fan system; the driving part is arranged on the shell and used for driving the flow guide cover to do reciprocating motion in the height direction of the extractor hood, the calculation formula of the ratio coefficient of the flow of the upper air inlet to the total flow of the extractor hood is shown in the specification, delta is the ratio of the flow of the upper air inlet to the total flow of the extractor hood, and delta is the ratio of the flow of the upper air inlet to the total flow of the extractor hood. S is the stroke of the inlet of the flow guide cover in the height direction of the range hood.

This invention relates to the field of gas turbine engine technology, specifically to a turboshaft engine aerodynamic adjustment system and its control method. The turboshaft engine aerodynamic adjustment system includes: a compressor; a particle separator with a first air intake on its inner flow channel wall; a first air conditioning flow path, one end of which is connected to the compressor and the other end to the first air intake, the first air conditioning flow path being adapted to adjust the flow rate of compressed air in the introduced airflow channel to adjust the flow field of the particle separator; a power turbine guide vane with a second air intake; and a second air conditioning flow path, one end of which is connected to the compressor and the other end to the second air intake, the second air conditioning flow path being adapted to adjust the flow rate of compressed air introduced into the inter-vane passage of the power turbine to adjust the flow function of the power turbine. The turboshaft engine aerodynamic adjustment system provided by this invention can actively adjust component characteristics according to changes in flight conditions and environmental factors, improving engine performance and environmental adaptability.

The utility model relates to polyurethane polyurea spray gun technical field, specifically is a kind of polyurethane polyurea spray gun with adjustable flow, including gun body, the inside movable joint of gun body has mixing chamber, the left and right sides of gun body symmetry are connected with two cylindrical filter screen frame, and the side of filter screen frame and gun body are closely adhered;Filter screen frame is provided with outer groove and inner hole, and outer groove and inner hole are communicated by multiple filter screen frame holes, and the outside of outer groove is sleeved with filter screen;Friction pair is slidably and sealingly connected in inner hole;One end of friction pair is in abutment with mixing chamber, and the other end is connected with spring for making friction pair and mixing chamber close;Inner hole includes first inner hole and second inner hole, and first inner hole and second inner hole are communicated by tapered hole;Adjusting column is threadedly connected in first inner hole, and the end of adjusting column has tapered head, and tapered head is movably connected in tapered hole;The utility model can adjust the flow of material that enters mixing chamber via filter screen frame.

The utility model discloses an automatic film changing device, which relates to the technical field of automation and comprises a film storage unit and a transmission channel. The membrane storage unit comprises a plurality of membrane boxes which are arranged along the circumferential direction, and the plurality of membrane boxes rotate along the circumferential direction; a filtering membrane is placed in the membrane box; openings are formed in the upper and lower parts of the diaphragm capsule for realizing gas transmission; the transmission channel comprises an upper-layer channel, a lower-layer channel and a mechanical arm; the mechanical arm is used for controlling movement of the upper-layer channel and the lower-layer channel; the upper-layer channel and the lower-layer channel are used for clamping a diaphragm capsule, so that a sealed transmission channel is formed; and a filtering membrane in the membrane box realizes a filtering effect in the sealed transmission channel. The membrane storage unit is provided with the membrane boxes which are arranged circumferentially, a plurality of filtering membranes can be stored, the old membrane can be automatically moved away, the new membrane can be accurately rotated to a target position by rotating the membrane storage unit, manual intervention is not needed, the membrane replacement efficiency is greatly improved, and the membrane replacement device is suitable for long-term continuous sampling scenes.

The utility model discloses a waste water treatment device and system, which are applied to the technical field of waste water treatment, and comprise a tank body provided with a first cavity, a second cavity and a third cavity, a catalyst layer is arranged in the second cavity, and an adsorption filler layer is arranged in the third cavity; an ozone generator; an outlet wastewater detector; an inlet of the circulating air pipe is communicated with the top of the third cavity, and an outlet of the circulating air pipe is communicated with the bottom of the third cavity and / or the bottom of the second cavity; and the control system is used for controlling the opening or closing of the first water outlet valve, the second water outlet valve and the third water outlet valve, controlling the opening or closing of the circulating gas pipe, adjusting the generation amount of the ozone generator and / or adjusting the flow of the water inlet valve. According to the wastewater treatment device provided by the utility model, insufficient ozone dosage or waste can be avoided, hardening of the catalyst layer and the adsorption filler layer is avoided, the pollutant removal efficiency is improved, meanwhile, self-cleaning of the adsorption filler is realized, and the service life is prolonged.

The utility model provides a kind of waste gas treatment device of hydrochloric acid replacement sulfuric acid in titanium dioxide bleaching process, belong to waste gas treatment technical field, including spray tower, the bottom fixedly connected with air inlet pipe of spray tower, gas concentration sensor is installed on the air inlet pipe, the top fixedly connected with exhaust pipe of spray tower, two first annular tubes are equipped in the spray tower, two the first annular tube is fixedly connected with spray tower respectively by fixed sheet. The utility model is provided with gas concentration sensor, PH sensor, controller, concentration increasing mechanism and concentration reducing mechanism, realizes real-time monitoring waste gas concentration, can adjust the concentration of absorption liquid according to the concentration of waste gas, help better capture and neutralize harmful substances in waste gas, optimize the treatment effect of waste gas, solve the problem that the treatment effect of waste gas is not good in prior art due to the inconvenience of adjusting absorption liquid concentration according to waste gas concentration.

The invention relates to the technical field of heat dissipation, and discloses electronic equipment, a liquid cooling cabinet and a control system and method. The liquid cooling cabinet comprises a cabinet body and a heat exchange unit arranged in the cabinet body. The heat exchange unit comprises a heat exchanger, a first connecting pipeline and a second connecting pipeline. The first connecting pipeline is used for communicating with a first liquid cooling pipeline in each electronic device in the at least one electronic device in the cabinet body so as to supply a liquid cooling medium to the first liquid cooling pipeline, and the liquid cooling medium is used for absorbing heat of internal components of the electronic devices. The second connecting pipeline is used for communicating with a second liquid cooling pipeline outside the cabinet body. The heat exchanger is used for heat exchange between the first connecting pipeline and the second connecting pipeline so as to cool the liquid cooling medium in the first connecting pipeline. By arranging the heat exchange unit, an internal circulation system which works independently can be formed in the cabinet body, so that the liquid-cooled cabinet does not need to depend on a second liquid-cooled pipeline outside the cabinet body to supply the liquid-cooled medium, and the disaster tolerance capability of the liquid-cooled cabinet is improved.

This application provides an adaptive airflow regulation atomizing device, comprising: a main body with an opening at one end, an air inlet channel, a movable component disposed within the air inlet channel, the air inlet channel communicating with the opening, the opening for mounting an atomizer, and the atomizer being fitted with a magnetic component; when the movable component is in a first position, the gap between the movable component and the air inlet channel is S1; when the magnetic component drives the movable component to move to a second position, the gap between the movable component and the air inlet channel is S2, where S1 is not equal to S2. By controlling the gap, the flow rate of outside air through the air inlet channel can be effectively regulated, facilitating the adjustment of suction resistance, and providing simple and convenient operation without the need for manual adjustment of the airflow.

The utility model discloses a dust collection device which comprises a fan and a branch flow guide assembly, and the input end of the fan is communicated with the branch flow guide assembly through a connecting pipe. The branch pipelines are annularly distributed and arranged on the sides, away from the draught fan, of the branch flow guide assemblies in a mutually communicating mode; the branch flow guide assembly comprises a mounting box communicated with the fan and the branch pipelines, a flow guide plate is rotatably arranged in the mounting box, flow guide openings which correspond to the branch pipelines and are different in size are formed in the flow guide plate, and the flow guide openings are annularly distributed; the flow guide plates rotate to enable the corresponding flow guide ports to be communicated with the corresponding branch pipelines so as to change the flow of the branch pipelines; the driving part is used for driving the guide plate to rotate; and the plurality of dust cages are respectively communicated with the corresponding branch pipelines. According to the utility model, under the condition that the power consumption of the fan is not increased, the cotton dust can be reasonably distributed and shunted according to the cotton dust amount of each workshop, so that the cotton dust can be accurately and effectively treated.

The utility model relates to the technical field of ozone preparation, and discloses a miniaturized ozone generator all-in-one machine with an oxygen generating and cooling system, which comprises a casing, and an ozone generator body, an oxygen generator and a refrigerating machine are fixedly mounted in the casing respectively. An air outlet pipe is fixedly mounted at the air outlet end of the ozone generator body and the air outlet end of the oxygen generator through a three-way valve; the air outlet end of the air outlet pipe extends to the right side of the shell. According to the miniaturized ozone generator all-in-one machine with the oxygen generating and cooling system, the oxygen generator, the refrigerating machine and the ozone generator body are arranged in the machine, oxygen or ozone can be generated only by an external power supply, the interior of the machine shell is highly integrated and modularized, maintenance is convenient, the occupied space is small, an independent electrical bin is arranged in the machine shell, electrical equipment is separated from water and gas, and the operation is convenient. The front face of the machine shell is provided with a large opening type door plate, and the opening and closing angle of the door plate is larger than 90 degrees, so that internal equipment is convenient to disassemble and assemble.

The utility model relates to the field of heat exchange station mechanical seal flushing, and discloses an anti-blocking pressure-isolating heat exchange station mechanical seal flushing nozzle adjusting mechanism which comprises a heat exchanger, an adjusting mechanism and a lifting mechanism are arranged on the right side of the heat exchanger, the adjusting mechanism comprises a supporting seat, and the supporting seat is arranged on the right side of the heat exchanger. A circulating pump is fixedly connected to the top of the supporting seat, a conveying block is slidably connected to the inner wall of the circulating pump, a liquid outlet spray head is fixedly connected to the top of the right end of the conveying block, a corrugated telescopic pipe is fixedly connected to the top of the left end of the conveying block, and an adjusting cylinder is fixedly connected to the top of the circulating pump. According to the utility model, through the arrangement of the adjusting mechanism, the flow of the flushing liquid can be accurately adjusted, when the mechanical seal is slightly abraded, only the flushing liquid with smaller flow can meet the flushing requirement and avoid the waste of the flushing liquid, and when the mechanical seal is seriously abraded, the flow can be increased, and the flushing effect can be ensured, so that the adaptability and the reliability of equipment are improved.

The utility model relates to the field of nozzles, in particular to a flow-adjustable industrial nozzle which comprises a pipe body, a spray head, a fixed perforated plate and a rotatable perforated plate, the spray head is communicated with the upper end face of the pipe body, the fixed perforated plate is fixedly assembled in an inner cavity of the pipe body, the rotatable perforated plate is rotatably assembled in the inner cavity of the pipe body, two sides of the rotatable perforated plate are connected with locking mechanisms, and the locking mechanisms are connected with the spray head. The pipe body is sleeved with a limiting disc, a sliding groove is formed in the bottom of the hollow arm and slidably connected with the connecting rod, sliding grooves are formed in the two sides of the outer portion of the grooving annular block, and transverse grooves are formed in the two sides of the outer portion of the pipe body. According to the industrial nozzle capable of adjusting the flow, the sliding arm, the pressing plate, the connecting rod, the clamping arm and the limiting disc are additionally arranged, after the positions of the rotatable perforated plate and the fixed perforated plate are changed, the position of the rotatable perforated plate is automatically locked, and the situation that the flow of the pipe body is changed due to the fact that the rotatable perforated plate is driven by the external environment to rotate is avoided.

The utility model belongs to the technical field of dispensing and dosing of flotation reagents, particularly relates to an automatic dispensing and dosing device for quartz flotation reagents, and aims to solve the problems that only granular or semi-fluid reagents can be dispensed in the prior art, the treatment effect is poor, and the reagents cannot be prevented from flowing back. The two medicine storage tanks are fixedly connected to the top of the base through a support; the two anti-crystallization heating pipes are installed on the base and communicated with the corresponding medicine storage tanks respectively, and a spiral stirring shaft and an electric heating pipe are arranged in each anti-crystallization heating pipe. According to the device, medicine solidification can be effectively prevented, the medicine utilization rate is improved, the cost is reduced, a device in which a Venturi pipe is matched with a check valve is adopted, backflow is prevented, medicine dispensing is conducted according to the proportion, and the medicine dispensing efficiency is improved. And the Venturi tube plays multiple key roles of mixing, quantitative conveying, blockage prevention and the like in the flotation reagent adding process, so that the continuity of flotation operation and the preparation precision of the flotation reagent can be improved.

The utility model discloses an adjustable flow control tower plate, which belongs to the technical field of flow control tower plates, and comprises a main tower plate, the main tower plate is rotatably connected with an auxiliary tower plate, both sides of the main tower plate and the auxiliary tower plate are connected with insertion plates, and both sides of the main tower plate and the auxiliary tower plate are provided with mounting plates through the insertion plates. A plurality of first through holes are formed in the main tower plate and the auxiliary tower plate, grooves are formed below the main tower plate and the auxiliary tower plate, and working grooves are formed in the main tower plate and the auxiliary tower plate. According to the adjustable flow control tower plate, a worker rotates a threaded rod by starting a motor, so that the threaded rod drives a moving rod to move, the moving rod is promoted to push a moving plate to slide in a groove, and along with movement of the moving plate, a first through hole and a second through hole are gradually staggered, so that the first through hole is shielded by the moving plate; therefore, the size of the first through hole is changed to adjust the flow of the fluid passing through the first through hole, and the practicability is improved.

The convenient regulation and control ball valve comprises a ball valve pipeline, a fixed sealing ring is fixedly connected to the upper surface of the ball valve pipeline, a spherical valve body structure is rotationally connected to the inner side surface of the ball valve pipeline, and regulation and control structures are fixedly connected to the inner side surfaces of the left end and the right end of the ball valve pipeline. By means of the structure, a user can open or close the valve easily in a labor-saving mode through the spherical valve body structure, and enough sealing performance is achieved. Meanwhile, a user can adjust the flow of fluid in the pipeline according to the working condition.

The invention discloses semiconductor process equipment and a cooling control device thereof. The cooling control device comprises a base used for bearing a bearing boat, and the bearing boat is used for bearing a wafer needing to be cooled; the rotating motor is arranged in the base and is used for driving the base to rotate so as to drive the bearing boat to rotate; the cooling box body is arranged above the base, a closed space is formed between the cooling box body and the base and is used for storing the bearing boat, and the box wall of the cooling box body is hollow and is used for introducing cooling gas. The cooling gas with extremely low temperature is limited in the internal space of the box wall of the cooling box body, so that direct contact with the wafer is avoided, the yield of the wafer is improved, direct dissipation in air is avoided, the cooling efficiency is improved, the overall cooling time is shortened, the power consumption and the cost are reduced, and meanwhile, the productivity is improved within the same time.

The utility model relates to the technical field of transmitters, in particular to a high-precision pressure liquid level transmitter with a temperature adjusting function, which comprises an adjusting mechanism, a limiting mechanism is arranged on the bottom side of the adjusting mechanism, the adjusting mechanism comprises a connecting pipe, a baffle is arranged in the connecting pipe, and a temperature sensor is arranged on the baffle. According to the high-precision pressure liquid level transmitter with the temperature adjustment function, liquid flows into the connecting pipe, the multiple baffles are arranged in the connecting pipe, the heating pieces are arranged in the baffles, and therefore the temperature of the heating pieces is increased in the mode that the baffles are installed in a staggered mode, and the temperature of the liquid flows into the connecting pipe. The interlayer is arranged on the inner wall of the solution cavity, and cooling liquid is poured into the interlayer, so that heat of the liquid can be absorbed by the cooling liquid in the interlayer when the liquid passes through the solution cavity in summer, and the heat of the liquid can be absorbed by the cooling liquid in the interlayer; and the temperature of the liquid is regulated and controlled according to different seasons.