34results about How to "Ensure inflow" patented technology

The invention provides a regulating storage tank inflow control device for rainwater collection and waterlogging prevention. The device comprises a case, and a dam which crosses the internal portion of the case, a water inlet pipe, a water outlet pipe, and at least one collection pipe which are arranged on the case. The internal space of the case is divided into a buffer room and a collection room by the dam. A collection opening communicated with the buffer room and the collection room is formed in the dam. Moreover, a switch device arranged on the collection opening controls the collection opening to be opened or closed. The water inlet pipe makes the buffer room and an external water inlet pipeline communicated, the water outlet pipe makes the buffer room and the external water outlet pipeline communicated, and the collection pipe makes the collection room and the regulating storage tank communicated. The regulating storage tank inflow control device for the rainwater collection and the waterlogging prevention is simple in structure and can further be suitable for existing various types of regulating storage tanks, can not only collect clean rainwater when rainstorm warning is not received, but also effectively prevent waterlogging when the rainstorm warning is received.

The invention provides a centrifugal fan which can meanwhile restrain monomer noise of a centrifugal fan and resonance sound of equipment in the centrifugal fan. A cylindrical vane wheel formed by a plurality of blades vertically arranged on the external periphery of a rotary circular plate is accommodated in a volute; a cover plate provided with a bellmouth-shaped opening part and used for guiding air to inner sides of the vane wheel is employed to cover one end side of a rotary shaft on an axial direction. In addition, the opening part is eccentrically configured to be close to a tongue part (a connection part between a volute minor diameter side and an air supply path) and close to an opening center relative to the rotary shaft. Accordingly, compared with a case where the opening part is not eccentric, the centrifugal fan can narrow a disordered space caused by countercurrent on the periphery of the tongue part when air flows from the opening part to blades. As a result, the centrifugal fan can reduce an opening area of the opening part so as to restrain resonance sound, and monomer noise caused by turbulence caused by countercurrent.

The invention discloses a kitchen air conditioner. The kitchen air conditioner comprises a shell, a compressor, an evaporator, a condenser, an exhaust pipe, a four-way electromagnetic valve, a throttling component, an air return pipe, an air feeding fan, an exhausting fan and an electric control box, wherein the electric control box and the evaporator are fixed in a front space and a rear space of a left cavity of the shell correspondingly; the compressor and the condenser are fixed in a front space and a rear space of a right cavity of the shell correspondingly; the air feeding fan is fixed on a motor installing plate in the left cavity of the shell, the air inlet end of the air feeding fan faces the evaporator, and the air outlet end of the air feeding fan communicates with an air outlet in the left side surface of the shell; and the exhausting fan is fixed on a motor installing plate inside the right cavity of the shell, the air inlet end of the exhausting fan faces the condenser, and the air outlet end of the exhausting fan communicates with an air outlet in the right side surface of the shell. The kitchen air conditioner is compact in structure and small in occupied space, the air in a kitchen does not enter the air conditioner, kitchen fumes can be effectively prevented from entering the air conditioner, the service life is long, and the cost is low.

A cam follower for a rocker arm is provided with a circular cylindrical outer ring (11) having an outer peripheral surface making contact with a cam, a support shaft (6) for supporting the outer ring (11), rollers (12) arranged in an annular space between the support shaft (6) and the outer ring (11), and side plates (16) formed as circular ring-shaped discs, allowing the support shaft (6) to penetrate therethrough, facing end surfaces (15) of the rollers (12), and having an outer diameter (Ds) less than the inner diameter (Dr) of the outer ring (11). The side plates (16) are located at opposite ends of each of the rollers (12) and satisfy the relationship of Lr<Lk+2t, where Lk is the length of each of the rollers (12) in the direction of the axis thereof, Lr is the length of the outer ring (11) in the direction of the axis thereof, and t is the thickness of each of the side plates (16).

The invention discloses a visual coal bed gas dissipation simulating device and a using method thereof. The visual coal bed gas dissipation simulating device comprises a coal bed gas reservoir simulating device, a coal bed gas source simulating device and a shaft simulating device. The coal bed gas reservoir simulating device comprises a transparent cuboid glass box. A fine sand saturated water layer, an intermediate sand saturated water layer, a fine sand unsaturated water layer and a rubber baffle layer are arranged in the glass box sequentially from bottom to top. The coal bed gas source simulating device comprises two air cylinders. The shaft simulating device comprises a water suction pump, a water meter and a gas meter. The visual coal bed gas dissipation simulating device can simulate different types of reservoirs under a coal bed gas mining site as well as simulating the conditions of fluid contained in the reservoirs, can control the reservoir pressures to form pressure differences and release gas so as to simulate the coal bed gas desorbing process, and can also observe the dissipation process of coal bed gas and meter and consider the coal bed gas recovery rate in the dissipation process automatically in real time.

The invention relates to a steel rail thermite welding gating system. The system comprises a sand mold, a crucible body arranged above the sand mold, a crucible cover matched with the crucible body, a shunting plug arranged inside the sand mold, and a base plate arranged at the bottom of the sand mold. According to the system, a reaction crucible and a pouring gate system are both designed to be of a liquid deslagging structure, and the purity of molten steel in a purifying cavity is fully considered. The crucible top cover of the system is in a pneumatic layout mode, reaction high-temperature gas can be dredged and high-temperature liquid-solid splash can be blocked. Two risers at the bottom of the sand mold in the system communicate with each other, and thus the casting feeding capacity is enhanced.

The invention relates to a drinking lid (10) for drinking containers (12) comprising a funnel-like, circumferential drinking edge (14), which is open to the drinking container (12), having a fasteningsection (16) for fastening the drinking lid (10) to an edge region surrounding an opening of the drinking container (12), and a bowl-shaped, elastic gasket (20), which can be inserted into the drinking edge (14), for sealing the drinking edge (14). The gasket (20) circumferentially contacts the drinking edge (14) in the region of the free end of the drinking edge (14), when the drinking lid (10)is properly installed on the drinking container (12), forming an intermediate chamber (22) which is open to the drinking container (12), and is designed such that it can be partially raised from the drinking edge (14) by a suction action of a user of the drinking lid (10), in order to free a passage to the intermediate chamber (22). The gasket (20) has, in the region of the base thereof, an outwardly protruding circumferential flange (26), which is designed to contact the edge surrounding the opening of the drinking container (12), and the drinking edge (14) has a clamping flange (32), which projects toward the gasket, in order to clamp the flange (26) of the gasket (20) against the edge of the opening of the drinking container (12) as the drinking lid (10) is fastened to a drinking container (12), the flange (26) of the gasket (20) having a number of openings (28) to the intermediate chamber (22), with the clamping flange (32) ending before the openings (28) provided in the flange (26) of the gasket (20).

The invention discloses a lead-acid battery grid double-sided pasting mechanism by adopting a reciprocating buffering principle, which, in the structure, comprises a heat dissipating groove, a storageinterlayer, a controller, a conveyor belt, a pasting cross arm, a device host, and universal wheels. In the rotating process of a reciprocating coating shaft and an outer coating permeable cylinder,a collecting assembly with a fixed design performs bottom collection on overflowing raw materials, a pressurized plate can drive the bottom of the outer coating permeable cylinder and the raw materialfor pressing, the contact strength with a workpiece is thus increased, the raw material coverage rate of the inner cavity of the outer coating permeable cylinder is improved during a feeding processthrough reciprocating movement of a reciprocating disc, the coverage quality of the inner frame of the grid is enhanced on the whole, equal distribution of a coating surface is ensured, and the pasting quality in the case of processing of various kinds of grids is perfected.

A urine receiving device for collecting urine comprises a collector, a top cover buckled on the collector and a drainage groove. The collector is provided with a bottom wall and a surrounding side wall, and the surrounding side wall upwards extends from the bottom wall to form a collecting cavity. The top cover is an annular top cover, the size of the upper portion of the top cover is suitable for coverage to the buttocks of a user, and the upper portion of the top cover obliquely and downwards extends from the outer peripheral edge to the inner peripheral edge of the top cover, so that urine can be guided into the collector. The drainage groove is arranged at the lower portion of the collector, and urine flows along the drainage groove formed in the collecting cavity.

The invention discloses an internal component for a fractionating tower, and belongs to the field of petroleum equipment. The tower internal component comprises a fluid distribution pipe, fluid distribution grooves and a baffle mechanism which are sequentially distributed at intervals from top to bottom; the baffle mechanism comprises at least three layers which are arranged at intervals from top to bottom, adjacent upper and lower layers of baffles are arranged in a staggered mode, each layer of baffles comprises a plurality of baffles arranged at intervals, and the distance between every two adjacent baffles in the same layer of baffles is smaller than the width of the baffles; the fluid distribution pipe is used for distributing fluid into the fluid distribution groove; the fluid distribution grooves are used for distributing fluid to the topmost baffle of the baffle mechanism, the multiple fluid distribution grooves are arranged at intervals, and a balance groove is formed between every two adjacent fluid distribution grooves and used for enabling the liquid levels of the multiple fluid distribution grooves to be consistent. The tower internal component can obviously increase the gas-liquid contact area, is beneficial to enhancing the heat and mass transfer effect, prevents oil gas from coking and blocking, reduces the gas resistance drop, and obviously improves the washing effect of catalyst powder.

The invention discloses a high-efficiency cleaning device for workpieces, which comprises a fixed bracket. A workpiece placement platform is arranged at the bottom of the inner cavity of the fixed bracket. The bottom of the workpiece placement platform is connected to a rotating motor arranged on the fixed bracket through a rotating shaft. The assembly includes a water storage tank, a water pipe and a nozzle. The water pipe is connected to the water storage tank arranged on the top of the fixed bracket. The nozzle is connected to the water pipe, and the nozzle is symmetrically fixed on the inner wall of the fixed bracket. High cleaning efficiency improves work efficiency.

The invention discloses an advanced-generation plate glass kiln feeding port which comprises an inner charging barrel brick built on a kiln pool wall brick of the feeding port. A first feeding hole is formed in the inner charging barrel brick, the bottom surface of the first feeding hole is of an inclined plane structure, and the inclined plane structure is that the outer wall of the feeding port inclines towards an inner cavity of a kiln; an inner charging barrel brick upper edge is integrally formed on the inner surface of the top of the inner charging barrel brick, and the length of the inner charging barrel brick upper edge extending out of the inner surface of the kiln pool wall brick is larger than that of the bottom inner surface of the inner charging barrel brick extending out of the inner surface of the kiln pool wall brick. The problems of serious erosion of the feeding port, unsmooth feeding, burning loss of the feeding machine and the like in the production of the substrate glass are effectively solved, and a positive effect is achieved for stable operation of the process and reduction of defects.

The invention discloses an electric vehicle, a power battery charging control method, a power battery temperature maintaining control method and a power battery management system. It can be ensured that a power battery works safely under the condition that the environment temperature is extremely low or extremely high. The power battery charging control method comprises the following steps that the power battery is electrically separated from a charging loop under the condition that the temperature of the power battery is not within a temperature range allowing charging; after the power battery is electrically separated from the charging loop, the electricity of a charging pile is used for providing constant direct-current high-voltage electricity required by work for a battery thermal management system; real-time temperature information of the power battery is received, and the battery thermal management system is controlled to adjust the temperature of the power battery based on thereal-time temperature information; and the power battery is connected into the charging loop under the condition that the temperature of the power battery is within the temperature range allowing charging.

The invention relates to an efficient combustor flame stabilizing structure which comprises a fire hole plate. A plurality of main fire holes are formed in the fire hole plate, the main fire holes are long-strip-shaped holes and are arranged in parallel at intervals, flame stabilizing holes are formed in the two sides of the main fire holes, the flame stabilizing holes are long-strip-shaped holes parallel to the main fire holes, and the opening plane of the fire hole plate is perpendicular to the opening planes of the main fire holes. According to the efficient combustor flame stabilizing structure, the flame stabilizing holes are formed in the length direction of the main fire holes, the roots of the main fire holes are directly heated, the flame propagation speed of the main fire holes is increased, combustion of air-fuel gas mixed gas is achieved closed to the fire opening planes, and stable combustion of flames is achieved. According to a flame stabilizing method of the flame stabilizing holes, the flame stabilizing holes and the main fire holes are perpendicularly crossed for flame stabilizing, and the flame stabilizing effect is uniform and efficient.

The invention provides a range hood. The range hood comprises a smoke deflector, a lower panel, plunger structures, a matching structure and a reset structure, wherein the smoke deflector is providedwith first oil grooves and oil guide structures, and oil stain is suitable for flowing into the oil guide structures along the first oil grooves; the lower panel is provided with a second oil groove and an oil collecting structure communicating with the second oil groove; each plunger structure is movably arranged in the corresponding oil guide structure and is provided with a blocking position for blocking the oil guide structure and a communicating position for communicating the oil guide structure with the second oil groove; the matching structure is arranged on the lower panel and drives the plunger structures to move to the conduction positions when the smoke deflector is closed; and the reset structure is used for driving the plunger structures to reset to the blocking positions whenthe smoke deflector is opened. The range hood is simple in structure, when the smoke deflector is opened, the plunger structures automatically move to the blocking positions, and when the smoke deflector is closed, the plunger structures automatically move to the conduction positions, no external force is needed, and the reliability is high.

The invention discloses a glycerin application error prevention control method, device and system. Wherein, when it is detected that the filter rod forming machine is in the running state, it is detected whether the glycerin application device is in the closed state; if the glycerin application device is in the closed state, then query whether the first timer has been started; if the first timer has not been started, then Start the first timer, so that the first timer starts counting, and instructs the alarm device to give an alarm, and then performs the step of detecting whether the glycerin application device is in a closed state; if the first timer has started, then judge the timing of the first timer Whether the time reaches the first delay time; if the timing time has not reached the first delay time, then perform the step of detecting whether the glycerin application device is in the closed state; if the timing time reaches the first delay time, then close the first timer , instruct the alarm device to stop the alarm, and instruct the filter rod forming machine to stop. Thereby, it can effectively prevent unqualified filter rods from flowing into the next process.

The invention discloses a gas recycling type injection mold. The gas recycling type injection mold comprises a bottom die (1) and a top die (2). The gas recycling type injection mold is characterized in that a feeding opening (3) used for filling injection material is formed in the top die (2), and is fixedly connected with a feeding pipe (4); the feeding pipe (4) comprises a vertical pipe (5), an inclined pipe (6) and a degassing device (8); the degassing device (8) is connected with the vertical pipe (5) and the inclined pipe (6); a degassing hole (10) is also formed in the upper surface of the degassing device (8) and is connected with a gas recycling device. The gas recycling type injection mold has a degassing function, is good in degassing effect and further has a gas recycling function.

The invention discloses a gas recycling type injection mold. The gas recycling type injection mold comprises a bottom die (1) and a top die (2). The gas recycling type injection mold is characterized in that a feeding opening (3) used for filling injection material is formed in the top die (2), and is fixedly connected with a feeding pipe (4); the feeding pipe (4) comprises a vertical pipe (5), an inclined pipe (6) and a degassing device (8); the degassing device (8) is connected with the vertical pipe (5) and the inclined pipe (6); a degassing hole (10) is also formed in the upper surface of the degassing device (8) and is connected with a gas recycling device. The gas recycling type injection mold has a degassing function, is good in degassing effect and further has a gas recycling function.

Method of lubricating a bearing assembly and preventing the ingress of contaminants wherein gas is supplied and grease is supplied to the bearing assembly and supplied grease and gas are transported through and discharged from the bearing assembly. The bearing assembly supports a roll neck and comprises a gas supply line (8) and a grease supply line (9) as well as a sealing arrangement (5, 7). The grease and gas are discharged through discharge holes (11).

The present invention is to provide a centrifugal fan which can suppress noise of a single body, and sonorant of the entire device including the centrifugal fan. A cylindrical impeller in which a plurality of projecting parts stand in an external part of a rotating disk is accommodated in a scroll casing, and covers one end side in an axis direction of a rotation axis by a cover plate in which an opening in a bell mouth form guiding air to the inside of the impeller is formed. Also, the opening is eccentrically arranged in a direction in which the opened center is close to a tongue part (connection part of the small diameter side of the scroll casing and an air blow path) around the rotation axis. Accordingly, a space in which air flow from the opening toward the projecting parts generates turbulence around the tongue part can be reduced than the case that the opening is not eccentrically arranged. As the result, even if an opened surface of the opening is small, sonorant and noise of the single body caused by turbulence due to backwash can be suppressed.

The invention discloses a hot chamber sampling device, which comprises a three-way magnetic valve (2), a magnetic valve controller (1), a sample tube (9), a bench (6) and a sampling tube (8). The three-way magnetic valve (2) is connected on an experimental liquid flow pipeline (7) which needs to carry out sampling and is controlled by the magnetic valve controller (1). The sampling tube (8) between the three-way magnetic valve (2) and the sample tube (9) is provided with an empty. The bench (6) is provided with a sample tube clamping groove. The device has simple structure, smaller volume andsafe operation, reduces the residual in the sampling pipeline and can realize remote semi-automatization sampling operation in the hot chamber.

The present invention relates to the technical field of wild pheasant breeding, in particular to an artificial sperm collection device for wild pheasants and a method for collecting wild pheasants. The artificial sperm collection device for wild pheasants includes a sperm collection tube, and one end of the sperm collection tube is A sperm storage cup is connected, and the other end is connected to a sperm collection bucket. The sperm collection bucket is a funnel-shaped structure with a larger end and a smaller end. The smaller end of the sperm collection bucket is connected to the sperm collection tube. The seminiferous tube is sequentially divided into a buffer section, a blocking section, and a connecting section along the direction from the sperm collection bucket to the sperm storage cup. The blocking section has a connected state and a blocked state. The buffer section and the connecting section, when the blocking section is in a blocked state, the blocking section blocks the buffer section and the connecting section. The wild pheasant artificial semen collection device of the present application, when pollutants fall into the sperm collection bucket, the semen collection personnel can have sufficient reaction time to prevent the pollutants from entering the semen storage cup, thereby avoiding pollution to the semen in the semen storage cup .

The invention discloses planting method of bananas and water chestnuts. Equipment used in the planting method comprises first planting areas, second planting areas, transmission devices, nutrient storage devices, water channels, banana trees and lawn planting areas. The first planting areas and the second planting areas are alternately arranged, and the water channels are arranged on two sides ofthe first planting areas and the second planting areas; each nutrient storage device is arranged at the upper end of one corresponding first planting area and the nutrient storage devices are linearlyarranged; each banana tree is arranged on one side of one corresponding nutrient storage device, and each lawn planting area is arranged at the upper end of one corresponding first planting area; thesecond planting areas are deeper than the first planting areas; the water channels are deeper than the second planting areas; and each transmission device is arranged in one corresponding first planting area and is connected with one corresponding water channel. The invention provides the planting method of bananas and water chestnuts, planting benefits can be effectively increased, and growth and development of the bananas are promoted. A plurality of planting fields are combined with cultivation, so that the soil utilization rate is increased, and economic benefits are increased.

The invention relates to an SCR denitration urea direct injection system in the thermal power industry, and concretely relates to a drainage type SCR denitration urea direct injection system. The system comprises mixing units connected with urea spray guns in a one-to-one correspondence manner; each mixing unit comprises an introduction cavity, four distribution pipes and four injection cavities; the outlet of each introduction cavity is correspondingly connected with the inlets of the four injection cavities through the four distribution pipes respectively; each mixing unit is connected to the downstream outlet of each urea spray gun through the inlet end of the introduction cavity of the mixing unit; and the section of the flue corresponding to one mixing unit is a 4a * 4b rectangle, and a and b are unit lengths of the length and the width of the section of the flue respectively. The urea pyrolysis product spraying uniformity can be effectively improved, the problem of non-uniform ammonia nitrogen existing in a urea direct spraying system is solved, and the system has the advantages of being simple in principle, reliable in effect, easy to manufacture and install and the like and has good application and popularization value.

The invention discloses a live skin cleaning process in a railway vehicle depot, which comprises a top fan unit, a porcelain vase, a locomotive unit, an automatic car washing system, an insulation detection module, a drainage ditch and a dry filter. The beneficial effects of the present invention are: adopting the air drying and filtering device, utilizing the difference in specific gravity between water and air, the air containing water molecules passes through several rows of vertical condensation pipes, the water molecules are attached to the walls of the condensation pipes, and the dry air flows out from above. In the cold season, the condensate pipe adopts electromagnetic heating to ensure that the air is dry, and a special intelligent air nozzle is used to automatically adjust the wind belt strength between the car net and the car net according to the absolute humidity of the air in the warehouse. Form an insulating dry air zone between the car nets, use intelligent water nozzles and brush bows, when washing the car, ensure that the water spray angle, water pressure, water temperature, and vehicle speed change, the flow of water will not overflow a lot, and ensure that the car wash water does not flow into the car wash in large quantities outside the area.

The invention provides a face cleaning and beautifying instrument. The face cleaning and beautifying instrument comprises a suction nozzle assembly, a pump device, a control module, a liquid storage cavity and a waste liquid cavity; wherein a liquid locking groove is formed in a suction nozzle end of the suction nozzle assembly, and a liquid supply nozzle and a liquid suction nozzle are arranged in the liquid locking groove; the pump device is controlled by the control module and used for conveying liquid in the liquid storage cavity to the liquid supply nozzle and conveying liquid flowing into the liquid locking groove from the liquid supply nozzle into the waste liquid cavity through the liquid suction nozzle; a heating device is arranged between the pump device and the liquid supply nozzle, and working state of the heating device is controlled by the control module to heat liquid conveyed to the liquid supply nozzle. The face cleaning and beautifying instrument is provided with theheating device, so that face cleaning liquid can be heated and then sprayed out, and cleaning effect of the face cleaning and beautifying instrument is improved.

The invention relates to a double-channel switching pipeline type pollutant treatment device. The double-flow-channel switching pipeline type pollutant treatment device comprises a central flow channel and a peripheral flow channel, the central flow channel is located in the center of the pipeline type pollutant treatment device, a valve element used for achieving on-off of the central flow channel is installed in the central flow channel, the peripheral flow channel is nested outside the central flow channel, and the central flow channel is communicated with the peripheral flow channel. A filter material is arranged in the peripheral flow channel, and the central flow channel and the peripheral flow channel are separated by a cylindrical grid plate. According to the technical scheme, themethod has the beneficial technical effect that the low flow resistance characteristic and pollutant control under different upstream pollution states are both considered.

The invention relates to a water channel fin welding structure and a welding method. A connecting part between each water channel fin and a corresponding water channel hopper is a welding area (27). Each water channel fin is divided into three parts, namely a water channel fin first area (22), a water channel fin second area (25) and a water channel fin third area (26) through a first pressing rib (23) and a second pressing rib (24), wherein the water channel fin first area (22) is located between the water channel fin second area (25) and the water channel fin third area (26), one end of the first pressing rib (23) and one end of the second pressing rib (24) have an intersection point or an intersection position, and the intersection point or the intersection position is located in the corresponding welding area (27). By means of the water channel fin welding structure and the welding method, the coinciding section of one area of each water channel fin and the corresponding welding area is limited to be the minimum through the corresponding pressing ribs so that heat generated during welding can only cause deformation changes of the corresponding two areas beside, the deformation degree of each middle area is the minimum and can be ignored, and therefore a slope structure of each middle area cannot be damaged, and it is ensured that accumulated water can flow into a water channel from the middle areas.