53results about How to "Lower the liquid level" patented technology

The invention belongs to the technical field of coking high-temperature condensed water recycling, and discloses a high-temperature condensed water recycling device which comprises an expansion tank with a condensed water ingress pipe welded to the inner wall of one side of the bottom, and a first liquid discharge pipe welded to the bottom of the inner wall of one side of the expansion tank. A negative pressure exhaust pipe is welded to the position, over the first liquid drainage pipe, of the expansion tank, a blow-off pipe is welded to the axis of the bottom of the expansion tank, and a blow-off assembly is arranged on the inner wall of the bottom of the expansion tank. The flowing low-temperature gaseous working medium and the high-temperature condensed water are used for heat exchange treatment, the temperature of the high-temperature condensed water can be effectively reduced, the cooled high-temperature condensed water is sent to downstream users to achieve heat recycling, and the heated gaseous working medium can drive the generator to rotate to achieve power generation treatment; and in addition, the high-temperature liquid working medium recycled in the middle process can be used for heat exchange, so that the heat of the high-temperature condensed water can be fully recycled.

The invention relates to a mechanical sealing structure for a shaft end of a compressor and a sealing, lubricating and cooling method. The compressor is characterized in that the compressor comprises a movable ring, a static ring and a lip-shaped sealing ring, an oil storage cavity and an oil supply ring cavity are formed in a compressor shell, the oil storage cavity and a rotor cavity are separated through a separation convex ring, and the lip-shaped sealing ring is installed between the separation convex ring and a compressor rotor; the movable ring and the static ring are both located in the oil storage cavity, the movable ring is fixed to a compressor rotor, the static ring is fixed to a compressor shell, a sealing convex ring on the movable ring abuts against a sealing plane of the static ring to form a mechanical sealing face, an inlet of the oil supply ring cavity is connected with an external high-pressure oil supply pipe, and a plurality of oil spraying openings are formed in the wall face between the oil supply ring cavity and the oil storage cavity. And the oil injection port is obliquely arranged and is aligned with the mechanical sealing surface. The sealing device is reasonable in structural design and good in sealing, lubricating and cooling effects.

The present invention belongs to the technical field of building water supply and drainage, and discloses an energy-saving building water supply and drainage device and a working method thereof, including a sewage tank, a sewage pipe 1 and a sewage pipe 2, a drainage hole is opened on the right side of the top of the sewage tank, a cover plate is pressed and installed on the top of the sewage tank, a water inlet pipe, a feeding pipe and a drainage pipe are fixedly installed on the top of the cover plate, a partition is slidably installed in the inner cavity of the sewage tank, and the interior of the sewage tank is divided into a sedimentation chamber and a precipitation chamber by the partition, and a sealing cylinder is fixedly installed in the sedimentation chamber. This device reduces the liquid level of sewage in the inner cavity of the sedimentation chamber in disguised form, and at the same time, the partition moves to the right to the right side of the overflow hole 1, and the overflow pipe 2 performs the overflow function. This design synchronously changes the volume of the sedimentation chamber by matching the partition-induced sewage pressure and the elastic potential energy of the spring 2, and realizes the maximum efficient sewage treatment volume of the sedimentation chamber per unit time.

The invention discloses an electric control box with a wireless receiving device, and relates to the field of electric equipment shells, the electric control box comprises an outer box with an upward opening and an inner box arranged in the outer box, a plurality of partition plates used for installing electric control components are integrally arranged in the inner box, cooling holes are formed in the partition plates, and the cooling holes penetrate through the two sides of the inner box; a liquid injection cavity is formed between the inner box and the outer box, located on one side of the inner box and communicated with one ends of the multiple cooling holes, an interlayer cavity is formed between the inner box and the outer box and communicated with the ends, away from the liquid injection cavity, of the multiple cooling holes, a box door is installed at an opening of the outer box, and an annular insertion plate is fixed to the inner side of the box door. An overflow opening is formed in one side of the outer box, the height of the overflow opening relative to the ground is larger than that of the lower end of the annular inserting plate relative to the ground, a liquid storage box is arranged on one side of the outer box, and a two-way pump is connected between the liquid storage box and the liquid injection cavity through a pipeline. The requirements of high heat dissipation performance and high sealing performance can be met at the same time.

The invention relates to the technical field of oxyhydrogen combustion-supporting machines, in particular to an oxyhydrogen combustion-supporting machine for energy conservation and emission reduction of an engine. According to the technical scheme, the device comprises a shell, an anode rod and a cathode rod are installed in the shell, the shell is provided with an exhaust port, the device further comprises a liquid level compensation component installed in the shell, and the liquid level compensation component controls the volume of the interior of the shell along with the change of the pressure applied to the liquid level compensation component by liquid in the shell. The liquid level compensation component comprises a surge protection mechanism. According to the invention, when the liquid in the shell is reduced, the volume in the shell is reduced, so that the liquid level in the shell can be effectively ensured not to drop, and the contact area between the liquid level and the electrode bar can be ensured not to be reduced; therefore, the contact length of the electrode bar and the electrolyte is not reduced along with the gradual reduction of the liquid in the shell, so that the electrolytic efficiency is not influenced when the liquid in the shell is gradually reduced, and the stability of the electrolytic efficiency is ensured.

This invention discloses a low-level protection device for a turbine lubricating oil tank, comprising a vent pipe, an oil suction pipe, and an oil outlet pipe. The vent pipe and the oil suction pipe are connected by an intermediate pipe. The upper opening of the vent pipe is higher than the maximum shutdown level, and the lower opening of the oil suction pipe is lower than the low-low level. The oil outlet pipe connects to the intermediate pipe and the oil suction pipe at the junction via a horizontal pipe with a perforated plate, forming a low-suction oil path. The oil outlet pipe extends horizontally out of the tank side plate. A horizontal pipe is connected at the junction of the vent pipe and the intermediate pipe, and the other end of the horizontal pipe connects to the oil outlet pipe via a downcomer, forming a high-suction oil path. The horizontal pipe is parallel to the horizontal pipe with a perforated plate. The highest point of the inner wall of the horizontal pipe is flush with the low level. The lowest point of the perforation in the horizontal pipe with a perforated plate is flush with the low-low level. This invention has a simple structure and effectively avoids rapid leakage of lubricating oil from the oil suction interface of the lubricating oil tank side plate, thus protecting the lubricating oil tank from low levels.

The invention relates to the technical field of fish farming equipment, and in particular to a live fish catching counting and grading system and a working method thereof, comprising: a fish-water separation component, for separating fish and water from a fish-water mixture sucked by a fish suction pipe; a vacuum tank, which is connected to the fish-water separation component through a water connection pipe and is used to cache water separated by the fish-water separation component; a centrifugal pump, which discharges the water in the vacuum tank into a pool; a cache tank, which is used to cache fish separated by the fish-water separation component, and is provided with a fish discharge port at the bottom, which is connected to a fish discharge pipe, and the fish discharge pipe is connected to a fish grading device; a compressor, which fills the cache tank with high-pressure gas; an ordinary centrifugal pump is used to reduce the cost of mechanical research and development; in the whole process of sucking and discharging fish, the fish do not pass through a running machine, so mechanical damage is avoided, and the fish are naturally distributed in the cache tank, so damage due to mutual friction and collision between the fish is avoided.

The invention discloses a hydrolysis hydrogen production and condensation integrated reactor which comprises a reaction device and a condenser, a reaction cavity is formed in the reaction device, the reaction device is further provided with a hydrogen outlet communicated with the reaction cavity, and the hydrogen outlet is used for discharging reaction gas in the reaction cavity; the condenser is arranged in a guide channel between the hydrogen outlet and the reaction cavity and is used for being in contact with a medium moving from the reaction cavity to the hydrogen outlet and condensing the medium; according to the scheme, the condenser and the hydrogen production device are integrally arranged, the condenser is located between the hydrogen outlet and the reaction cavity, steam in reaction gas can be condensed into liquid, carried or deposited particulate matter so as to prevent blockage, and the condenser can also block bubbles, promote foam breakage, lower the liquid level and ensure smooth gas discharge.

The invention discloses a production system of alkali sedge slices, and relates to the technical field of alkali sedge slice production; in order to reduce the number of loading and unloading times; the system comprises a holding tank, a cleaning device and a crushing device, a mounting frame is installed between the cleaning device and the crushing device, a switching motor is fixed to an outer wall of one side of the mounting frame, and a rotating main shaft is connected to the output end of the switching motor; the ingredients of the alkali sedge slices include 80 to 100 parts of main materials and 25 to 45 parts of auxiliary materials by weight; wherein the main material is alkali sedge tender shoots, and the auxiliary material is a mixture of one or more of winged alkali sedge leaves and alkali sedge seeds. The present invention arranges a holding tank, an impeller and a tool mechanism, first places the material to be processed in the holding tank, and can adjust the position of the holding tank based on the work of the switching motor, thereby realizing the conversion of the holding tank on the cleaning work position and the crushing work position, and the whole process does not need to repeatedly load and unload materials, thereby improving convenience and practicality.

The utility model relates to the field of analytical instruments, and discloses a urine specimen centrifugal device which comprises a centrifugal tube containing a urine specimen, the centrifugal tube comprises a tube body with the upper diameter identical to the lower diameter, and a separation plug is connected in the tube body in the length direction. The separating plug divides the pipe body into a first cavity and a second cavity and seals the first cavity and the second cavity. The centrifugal tube is divided into the first chamber and the second chamber through the separation plug, during use, a patient puts urine into the first chamber, and even if the patient fills the first chamber, an analyst can move the separation plug towards the second chamber, so that the accommodating volume of the first chamber is enlarged, the liquid level in the first chamber is reduced, and the urine in the first chamber is separated from the urine in the second chamber. The urine is prevented from splashing when an analyst opens the cover.

The present invention relates to the technical field of vegetable cultivation, and specifically to a device for rapidly growing lettuce cultivated in a microporous hard matrix, characterized in that: it includes a planting trough and a supporting assembly, a cavity is formed in the planting trough, a solid matrix is ​​placed on the supporting assembly, a placing portion is provided on the planting trough, and after the vegetable is placed on the placing portion, the lower part of the vegetable root system can contact the upper surface of the solid matrix; the device for rapidly growing lettuce cultivated in a microporous hard matrix also includes a conveying assembly, when the conveying assembly conveys nutrient solution to the cavity, the solid matrix in the cavity can contact and absorb the nutrient solution, and the liquid level of the nutrient solution is located below the upper surface of the solid matrix. The device of the present application can reduce the probability of insufficient nutrient absorption by the vegetable root system, reduce the probability of vegetable wilting, and improve the risk resistance of vegetables in a soilless cultivation method based on nutrient solution film technology to resist sudden situations such as long-term power outages or failures of the conveying assembly.

The invention belongs to the technical field of rubber degassing towers, and particularly relates to a styrene butadiene rubber degassing tower which comprises a tower shell, a bottom plate fixedly connected to the bottom of the tower shell, a conical cylinder rotationally connected to the center of the bottom plate, a support fixedly connected to the bottom of the bottom plate, and a conical roller, a plurality of sliding grooves are evenly formed in the outer side of the conical roller, and a blade is slidably connected into each sliding groove. A set of springs connected with the corresponding blades are arranged in each sliding groove, the conical roller is rotationally arranged in the conical barrel, the rotating axis of the conical roller deviates from the rotating axis of the conical barrel, the end of each blade is tightly attached to the inner wall of the conical barrel, the outer side of the top of the conical barrel is rotationally connected with a collecting ring, and the collecting ring is fixedly connected with the tower shell. A collecting opening inclining downwards is formed in the collecting ring, and a top cover is fixedly connected to the top of the tower shell. Negative pressure is continuously generated to suck out gas in hot-melt rubber by utilizing the conical roller and the conical cylinder with the deviated axis, and the phenomenon of expansion and foaming is inhibited in cooperation with centrifugal force generated by high-speed rotation.

The electric steamer comprises a base with a water storage cavity and a juice receiving disc detachably arranged on the base, a heating piece is arranged in the base, the juice receiving disc is provided with a steam exhaust port, the juice receiving disc is provided with a first water insulation rib extending downwards and a second water insulation rib located on the inner side of the first water insulation rib, and the second water insulation rib is located on the inner side of the first water insulation rib. The water storage cavity is divided into a water supplementing cavity and a heating cavity by the first water insulation rib, the heating piece is used for heating water in the heating cavity to generate steam, the second water insulation rib is located in a heating area of the heating piece and divides the heating cavity into a steam cavity and an air water blocking cavity, and the bottom end of the air water blocking cavity is open to be communicated with the steam cavity; and the steam cavity is communicated with the steam exhaust port. Through the arrangement of the air water blocking cavity, the heating water amount in the heating cavity can be reduced, the steam generation rate is increased, the cooking time is shortened, the user experience is pleasant, and the air water blocking cavity surrounds the air heat preservation layer on the inner side of the steam cavity, so that the heat preservation effect on water and steam in the steam cavity can be achieved, and the heat loss in the steam cavity is reduced.

This utility model discloses a liquid seal structure for a fluorosilicic acid preheater, including a fluorosilicic acid preheater. A fluorosilicic acid feed pipe is connected to the bottom of the preheater, a fluorosilicic acid discharge pipe is connected to the top, a steam condensate inlet pipe is connected to the upper side of the preheater, and a heat medium delivery pipe is connected to the lower side of the preheater. A liquid seal structure is provided on the heat medium delivery pipe to increase the liquid level of the steam condensate inside the preheater. This utility model improves the preheating efficiency of fluorosilicic acid by increasing the liquid level of the steam condensate inside the preheater through the liquid seal structure on the heat medium delivery pipe, allowing the heat exchanger tubes inside the preheater to be immersed in the steam condensate.

The utility model discloses a treatment device for high sulfate radical wastewater, and relates to the technical field of wastewater treatment. The device comprises a filter tank and an evaporation tank, a separation assembly is arranged in the evaporation tank, and a recovery assembly is further arranged in the filter tank; the partition assembly comprises a plurality of partition plates fixedly connected into the evaporation pond at equal intervals, and a water inlet pipe penetrates through the center of the surface of each partition plate. According to the utility model, the internal space of the evaporation pond is divided into a plurality of layers through the partition plates, and high sulfate radical wastewater is uniformly distributed in each layer of space through the water inlet pipe and the water outlet shell to be evaporated and crystallized, so that the liquid level height of the wastewater is reduced, the evaporation rate of the wastewater is increased, and the problem that the existing evaporation rate is slow is solved; meanwhile, tail gas of the evaporation pond is guided into the recovery pipe through the flow converging device, the tail gas is guided into the filtering pond through the recovery pipe, waste heat is used for preheating the high-sulfate-radical wastewater, and the problem that existing waste heat is not convenient to recover is solved.

The invention relates to the technical field of traditional Chinese medicine extraction, and provides traditional Chinese medicine extraction equipment and technology.The traditional Chinese medicine extraction equipment comprises a heating kettle and a rectifying still, the top of the heating kettle is a feeding end, the bottom of the heating kettle is a discharging end, and the discharging end of the heating kettle is communicated with the rectifying still; the device further comprises a rectification heating assembly, an evaporation and condensation mechanism and a solution adjusting assembly, the rectification heating assembly is arranged in the rectification kettle, a discharging assembly is arranged at the bottom of the rectification kettle, the evaporation and condensation mechanism is arranged at the inner top of the rectification kettle, and the evaporation and condensation mechanism is communicated with the feeding end of the heating kettle. And position adjusting assemblies are arranged between the two sides of the solution adjusting assembly and the rectifying still. By means of the technical scheme, the problem that in the prior art, water and ethyl alcohol are inconvenient to recycle in the heating and concentrating process of a medicament solution through traditional Chinese medicine extraction equipment is solved.

The invention discloses a pulse large-bubble aeration tank for sewage treatment. The pulse large-bubble aeration tank comprises a frame; the outer wall of the air inlet pipe is fixedly connected with the outer walls of the two sides of the frame; the bottom of the expanding and exposing mechanism is connected with the inner wall of the top of the frame in a sliding manner; the top of the aeration mechanism is in sliding connection with the outer wall of the frame; the invention relates to the technical field of sewage treatment, the aeration mechanism is arranged, gas presses out liquid in an aeration pipe and a gas outlet pipe to form a gas cavity, the liquid level in the aeration pipe is reduced, the gas is discharged under the driving of the liquid level difference due to the fact that the gas outlet pipe is communicated with a communicating groove in an aeration cover through a through groove, and the aeration efficiency is improved. After the gas is discharged, the liquid at the bottom is filled upwards and enters the aeration pipe through the gas inlet groove to fill the pipeline, and then the liquid is discharged again under the condition that the gas continuously enters, so that alternate generation of large bubbles and large liquid blocks is realized, and the purpose of the pulse large-bubble aeration tank for sewage treatment is achieved.

The present disclosure provides a compressor oil return diversion structure and a compressor, the compressor oil return diversion structure, comprising: an oil return pipe and a diversion frame, the diversion frame has a cavity inside, one end of the oil return pipe can pass through the diversion frame to introduce oil into the cavity, the diversion frame comprises a spiral frame, the spiral frame is arranged in the cavity, the spiral frame comprises at least one spirally extending spiral sheet, the spiral sheet divides the cavity into at least one spiral groove channel, the spiral groove extends spirally from top to bottom, so that the oil entering the cavity is discharged through the spiral groove. According to the present disclosure, the lubricating oil can be effectively diverted, the flow rate can be reduced, the impact of the flowing oil on the oil pool liquid surface can be reduced, the splashing of the lubricating oil can be prevented to cause the exhaust gas to contain oil, the lubricating oil can be separated from the refrigerant, the oil content of the compressor exhaust gas can be effectively reduced, and the oil supply rate can be improved.

The invention relates to flue gas and dust purification equipment applied to the field of flue dust purification, the flue gas and dust purification equipment comprises a gas inlet pipe and a purification tank, a gas purification disc and purification liquid are arranged on the inner side of the purification tank, one end of the gas inlet pipe extends into the purification liquid, and a slag shifting mechanism comprising a rotating shaft, a follow-up wheel blade, a connecting frame and a slag shifting plate is mounted in the center of the inner bottom end of the purification tank; the rotating shaft extends to the inner side of the gas inlet pipe and is fixed with the follow-up wheel blade, the scum poking plate is located at the liquid level of the purification liquid and is connected with the rotating shaft through the connecting frame, and the follow-up wheel blade is driven by gas flow formed by flue gas passing through the gas inlet pipe to drive the scum poking plate to rotate through the connecting frame, so that scum on the surface of the purification liquid is poked aside; the gas flow purified by the purification liquid can stably overflow, so that the smooth emission and purification of the flue gas are ensured; in addition, the slag stirring mechanism integrally rotates under the action of airflow, a disturbance effect can be achieved on the purification liquid in the purification tank, local high temperature is prevented from being formed in the middle of the purification liquid, and the cooling effect on the flue gas is improved.

The utility model discloses a cooling circulation device and a vehicle. The cooling circulation device is used for cooling the reducer gear. The reducer gear is located in the first oil pool. Cooling liquid is contained in the first oil pool and the second oil pool. And the first oil pool is communicated with the second oil pool through a communicating hole. The circulating oil way is connected with the second oil pool. Cooling liquid is conveyed to the cooling speed reducer gear through the circulating oil way and then flows back to the first oil pool. The regulation and control part is used for pressurizing the first oil pool or reducing the pressure in the second oil pool, so that the liquid level in the first oil pool is lower than the liquid level in the second oil pool. The circulating oil way is arranged to cool and lubricate the speed reducer gear, the regulating part is arranged to form pressure difference between the first oil pool and the second oil pool, so that the liquid level of the first oil pool is lower than that of the second oil pool, the liquid level in the first oil pool is reduced, the speed reducer gear is prevented from being immersed in cooling liquid in the first oil pool, and the service life of the speed reducer gear is prolonged. And the speed reducer gear can work more efficiently.

This invention relates to the field of ammonium perchlorate production technology, specifically to an ammonium perchlorate concentration system and method. It includes a cylindrical body, within which an inner liner is rotatably mounted, forming an insulated cavity between the inner liner and the cylindrical body. A heating element is fixed within the insulated cavity. A stirring assembly is installed within the inner liner. A cover is fixed to the upper end of the cylindrical body, and a drive assembly for rotating the stirring assembly and the inner liner is mounted on the cover. The stirring assembly rotates in the opposite direction to the rotation of the inner liner. An inlet pipe and an air pipe are fixed to the upper end of the cover. An outlet pipe is fixed to the lower end of the cylindrical body, and an outlet hole corresponding to the outlet pipe is fixed to the lower end of the inner liner. A lower control valve is installed in the outlet hole. During the rotation of the stirring base, a third magnetic block can move radially along the inner liner, which can improve the stirring efficiency of the liquid ammonium perchlorate material, thereby improving the concentration efficiency.

The present invention relates to a culture medium and a fermentation method for improving the fermentation unit of tylosin, which is a culture medium for producing tylosin by fermenting Streptomyces freundii, comprising a primary seed culture medium, a secondary seed culture medium and a fermentation culture medium, wherein the primary seed culture medium, the secondary seed culture medium and the fermentation culture medium all contain palm oil and petroleum yeast powder, and the fermentation culture medium contains oxygen carriers and n-dodecane. The method adopts a new formula, which can greatly shorten the fermentation cycle by about 18 hours compared with the traditional process, reduce energy consumption and save the production cost of raw materials and auxiliary materials; the use of palm oil and corn starch milk can reduce the total cost by about 25%; the use of petroleum yeast powder and oxygen carriers and n-dodecane in a reasonable ratio in a tylosin fermentation tank can accelerate the production speed on the basis of increasing the palm oil consumption rate, so that the fermentation unit is greatly increased.

The PCB pickling equipment comprises a box body I with a stirring mechanism at the bottom, a box body II communicated with the box body I is arranged on one side of the bottom of the box body I, a push plate is arranged in the box body II, a lead screw driven by a motor I is connected to the push plate in a screwed mode, a vertical plate for fixing the tail end of the lead screw through a bearing is arranged at an opening of the box body II, and the vertical plate is connected with a screw rod driven by a motor II in a screwed mode. A cover plate capable of sealing the opening in the top of the box I is further arranged in the opening in the top of the box I. The cover plate is driven by a hydraulic rod, fixing mechanisms capable of extending into the box I are arranged on the two sides of the bottom of the cover plate, each fixing mechanism comprises two fixing plates and a bottom plate connected with the bottom ends of the two fixing plates, and n-shaped seats with upward openings are evenly arranged on the tops of the bottom plates. The bottom of the cover plate is further provided with a pressing plate located between the two fixing mechanisms, and the pressing plate is driven by an electric push rod. According to the invention, the stability of the PCB can be effectively improved, so that the pickling safety of the PCB is improved.

The utility model relates to an anti-overflow straw and a beverage packaging carton, the anti-overflow straw comprises an external straw body and an internal straw body, at least two groups of exhaust structures are arranged on the outer wall of the internal straw body, and at least one group of exhaust structures are arranged on the outer wall of the external straw body. Each group of exhaust structures comprises a circular pipe structure and at least two exhaust grooves which are distributed at intervals in the circumferential direction of the circular pipe structure, one part of the external pipe body or one part of the internal pipe body forms the circular pipe structure, and each exhaust groove is formed by inwards sinking the pipe wall of the external pipe body or the pipe wall of the internal pipe body; the width of each exhaust groove in the circumferential direction of the round pipe structure is gradually increased from the lower end to the upper end of the anti-overflow suction pipe, and the upper areas of the exhaust grooves can form drink containing grooves when drinks in the carton body overflow. The utility model can effectively solve the problem that the beverage overflows from the insertion hole and the straw of the paper box due to large internal pressure of the paper box when the straw is inserted into the gas-producing beverage packaged in the paper box for drinking.

The invention relates to the technical field of vegetable cultivation, in particular to a micropore hard substrate cultivation lettuce rapid growth device which is characterized by comprising a planting groove and a bearing assembly, a cavity is formed in the planting groove, a solid substrate is placed on the bearing assembly, a placing portion is arranged on the planting groove, and after vegetables are placed on the placing portion, the solid substrate is placed on the bearing assembly. The lower part of the vegetable root system can be in contact with the upper surface of the solid substrate; the device further comprises a conveying assembly, when the conveying assembly conveys the nutrient solution to the cavity, the solid substrate in the cavity can make contact with and absorb the nutrient solution, and the liquid level of the nutrient solution is located below the upper surface of the solid substrate. According to the device, the probability of insufficient nutrient absorption of vegetable roots can be reduced, the probability of vegetable wilting is reduced, and the anti-risk capacity of vegetables for resisting emergencies such as long-time power failure or conveying assembly failures under the soilless culture mode based on the nutrient solution film technology is improved.

This invention discloses an automatically adjustable height mud pump support, relating to the field of mud pump technology. It includes a support base, a floating assembly, and a suction assembly. The floating assembly is located on the outer bottom of the support base and comprises a floating bucket, a partition layer, a connecting plate, a connecting pipe, and a water valve. The partition layer is connected to the inner middle of the floating bucket. This invention enables the mud pump to extract mud and wastewater. After extraction, the liquid level decreases. Because the equipment floats on the mud surface of the mud tank, it can lower along with the liquid level. During mud preparation and circulation, the equipment rises and falls with the liquid level. This ensures that the suction pipe remains below the mud surface during operation, eliminating the need for frequent height adjustments based on the wastewater level, greatly improving ease of use.

The invention discloses a microsphere release test system, which comprises a microsphere release instrument host, an injection sampling pump, a sample collector and a fluid infusion storage station, the microsphere release instrument host comprises a rack shell, a water tank, a sealed sample tube, a stirring driving device, a temperature control device and a water level control device, and the temperature control device heats water in the water tank; the water level control device is used for supplementing water in the water tank; a tube plate is arranged on the rack shell, a plurality of tube holes used for installing and sealing sample tubes are formed in the tube plate, and an anti-floating device is arranged at the position, located at each tube hole, of the bottom of the tube plate; a stirrer is arranged in the sealed sample tube and is driven by a stirring driving device to rotate; a sealing cover is arranged on the sealing sample tube, an injection hole, a sampling hole, an air inlet hole, a liquid supplementing hole and a temperature probe insertion hole are formed in the sealing cover, a sampling needle and a liquid supplementing needle are embedded into the sampling hole and the liquid supplementing hole respectively, and one end of the sampling needle and one end of the liquid supplementing needle are connected with an injection sampling pump through pipelines respectively; the injection sampling pump is respectively connected with the sample collector and the fluid infusion storage station through pipelines, so that automation and standardization are realized, the requirements of microsphere release degree detection are met, the test sampling efficiency is improved, and the labor cost is reduced.

The utility model relates to a cooling lubrication pump suitable for a dry type oil pan, which comprises a pressure oil pump and an oil scavenger pump which share a driving shaft, the pressure oil pump is arranged at the middle section of the driving shaft, the oil scavenger pump is arranged at one end of the driving shaft, and the oil scavenger pump comprises a pump shell and a driving gear arranged at the end part of the driving shaft. At least two driven gears meshed with the driving gear are arranged in the pump shell to form a plurality of independent gear pump sets, and each gear pump set is provided with an oil scavenger pump oil suction port and an oil scavenger pump oil outlet. According to the cooling lubricating pump, the oil suction pump and the oil return pump which are coaxial are arranged, so that the oil suction displacement of the oil return pump is far larger than the displacement of the pressure oil pump, the liquid level of a suction-dry type oil pan is low enough, oil in an oil storage tank is sufficient, the gas content of a suction inlet of the pressure oil pump is low, and an electric driving system is fully cooled and lubricated; the electric drive system can easily achieve lubricating oil collection and circulation, and the oil scavenger pump has the dry running capacity after air suction.

This article provides a water tank and surface cleaning equipment. The water tank includes: a tank body with a liquid-containing cavity and a flexible partition. The partition is connected to the peripheral wall of the liquid-containing cavity and divides the cavity into a variable-volume clean water cavity and a wastewater cavity. A support structure is provided on the peripheral wall of the wastewater cavity near the partition, and the support structure creates a space for containing wastewater. This water tank is not only simple in structure, easy to manufacture, and low in manufacturing cost, but also has good performance.

The utility model discloses a ladle filter residue device, including ladle, be equipped with the spout on the ladle still include: support, the both sides of spout are arranged with support, and support is fixed with the outer wall of ladle, the pivot, and the pivot is swing joint with support, the refractory blanket for with metal solution liquid surface cooperation to filter liquid surface supernatant, and the refractory blanket is cooperated with spout, the pressure plate of the refractory blanket exerting pressure makes the refractory blanket and metal solution liquid surface keep cooperation, and the pressure plate is fixed with the pivot, and the refractory blanket is fixed with the pressure plate, the utility model discloses can filter the supernatant in ladle.