9results about How to "Stable water level" patented technology

A water outlet of a pure water tank is communicated with a water inlet of a water pump, the water outlet of the pure water tank is further communicated with the water inlet of the water pump through an ice water tank, the water outlet of the water pump is connected with a three-way valve, and a first water outlet of the three-way valve is connected with a heater through a two-way electromagnetic valve. The second water outlet and the water outlet of the heater are jointly connected to an extraction opening of the coffee machine. A first water outlet of the three-way valve is connected with a heater through a two-way electromagnetic valve, and when the two-way electromagnetic valve is opened, water flow can be heated through the heater; when the two-way electromagnetic valve is closed, the water flow bypasses the heater; water flow bypassing the heater is pure water and ice water, and the pure water and the ice water flow out of the same water path, so that unnecessary water flow paths are reduced, and the working efficiency and the response speed of the whole system are improved; by means of the simplified operation process and diversified function options, a user can make coffee conforming to the taste of the user more conveniently.

The invention relates to a steam source automatic switching control method based on multi-parameter collaborative decision, and the method achieves the online precise recognition of a switching trigger condition through an automatic judgment mechanism based on multi-parameter collaborative decision, automatically judges the preheating completion state of a pipeline, and overcomes the limitations that a conventional control method depends on human experience, and is single in monitoring parameter. On the basis, a smooth valve control instruction is generated by utilizing the control targets of automatic step sequence, dynamic balance switching speed and process smoothness combined with intermittent control and cooperative adjustment, and accurate cooperative adjustment of the main steam source valve and the standby steam source valve is achieved. According to the method, on the premise that the pressure, the temperature and the water level of the deaerator are stable, the steam source switching time is remarkably shortened, parameter fluctuation in the switching process is reduced, and the flexibility and the safety of a unit to cope with start-stop peak regulation and deep peak regulation working conditions are improved.

The utility model discloses a supercritical heat storage top peak heat supply unit, including steam turbine system, steam heat storage system, heat network system and power grid system, steam turbine system includes the steam turbine and generator of cooperation, and steam heat storage system includes steam water heat exchanger and hot water heat storage jar, and heat network system includes first station, primary network heat supply pipe and heat user, and primary network heat supply pipe includes primary network backwater pipe and primary network water supply pipe, steam turbine passes through first station and connects primary network heat supply pipe, and primary network heat supply pipe is connected with heat user, and steam turbine passes through steam water heat exchanger and connects hot water heat storage jar, and hot water heat storage jar connects primary network heat supply pipe, sets up expansion water tank and water replenishing pump, and the water inlet of expansion water tank is connected with primary network backwater pipe, and the water outlet is connected with water replenishing pump inlet, and water replenishing pump outlet is connected with primary network water pipe, the utility model discloses the adjusting effect of expansion water tank can more effectively absorb and release heat, thereby improves the efficiency of heat storage, and reduces the operation pressure fluctuation of unit.

The glass kiln flue water tank cooling equipment comprises a water tank body and a refrigeration tank, an inner sleeve body is arranged in the middle of the interior of the water tank body, heat conduction fins are evenly distributed on the outer side of the inner sleeve body, and a temperature sensor and a liquid level sensor are installed on the top of the inner side of the water tank body in parallel through a support. An annular distribution pipe is fixed to the inner wall of the water tank body through a hoop, plate heat exchangers are evenly installed in the water tank body, and each plate heat exchanger is connected with the annular distribution pipe in parallel through a cooling water inlet pipe and a cooling water outlet pipe. A traditional direct overflow mode is replaced with indirect heat exchange of the multiple parallel plate type heat exchangers, forced efficient cooling of the water tank is achieved, the water temperature can be rapidly reduced through the efficient heat exchange performance of the plate type heat exchangers, the cooling efficiency is remarkably improved, continuous overflow is avoided through the indirect heat exchange mode, consumption of water resources is greatly reduced, and energy conservation and emission reduction are achieved. And the purposes of energy conservation and environmental protection are achieved.

The application discloses a combined heat and power frequency modulation system and method, which comprises a boiler and a steam turbine, the exhaust end of the steam turbine is connected with the steam inlet of the boiler through a circulating pipeline, a steam condensing device, a deaerator and a regenerative heating device are sequentially arranged on the circulating pipeline, the system further comprises a plurality of heat supply assemblies connected with different steam extraction positions of the steam turbine, a plurality of steam extraction assemblies connected with different steam extraction positions of the steam turbine, a plurality of low-pressure steam extraction assemblies connected with low-pressure steam extraction ends of the steam turbine, and a plurality of heat storage frequency modulation devices connected with the steam extraction assemblies and the low-pressure steam extraction assemblies and connected to different levels of heat users, the heat storage frequency modulation devices are suitable for storing steam of the steam turbine and injecting the stored steam into low-pressure steam to supply the heat users. According to the operation requirement of the unit, the opening degree of the heat supply assembly and the heat storage frequency modulation device is changed to meet the heat supply requirement of different levels of heat users and maintain the stability of heat supply.

This utility model discloses a silicon carbide powder cleaning device, relating to the field of silicon carbide processing technology. It includes a mounting frame and a cleaning water tank. The top of the cleaning water tank is covered with a tank cover, and a drive shaft and a stirring rod are arranged inside the cleaning water tank. A mounting box is connected to one side of the mounting frame, and a drive motor and a transmission mechanism are arranged inside the mounting box. A limiting mechanism is provided at the bottom of the cleaning water tank. This silicon carbide powder cleaning device is efficient, safe, and easy to operate. Driven by the drive motor and transmitted by the transmission mechanism, the drive shaft and stirring rod stir and clean the silicon carbide powder inside the cleaning water tank. The special structural design of the stirring rod increases its stirring range and intensity, thereby effectively improving the cleaning power. Simultaneously, the limiting mechanism axially fixes the cleaning water tank to ensure the safe operation of personnel and equipment.

The utility model discloses an aquaculture pond outside shellfish shell collecting device through circulating water pipeline collection, be applicable to factory shrimp culture field. The shrimp pool bottom outlet is used to realize the separation of shrimp manure and shellfish shell with shellfish live shrimp baffle, and the shellfish shell is blocked at the shellfish live shrimp baffle, and the smaller solid dirt such as shrimp manure is filtered through the baffle filter hole after using the circulating water flow, and then is discharged to the shellfish shell collecting basket in the pool side water level tank through the circulating pipeline, and then flows to the microfiltration machine after the filter hole of the shellfish shell collecting basket. When the shellfish shell accumulates to a certain number at the shellfish live shrimp baffle, the shellfish live shrimp baffle is lifted by using the rope, and the gap below the baffle is formed than the shellfish shell, and the shellfish shell is driven by the circulating water flow and flows to the shellfish shell collecting basket through the pipeline, and since the volume of the shellfish shell is larger than the shellfish shell collecting basket blowoff drain hole, the shellfish shell is blocked in the shellfish shell collecting basket. Thus, a single pipeline can satisfy the circulating water flow and the shellfish shell collection. In addition, the shellfish shell collecting basket is full of shellfish shell, and the shellfish shell can be easily taken out from the pool side water level tank and poured.

The utility model discloses an automatic water adding device for a furnace top water seal seat, and relates to the technical field of coking equipment, the automatic water adding device comprises a water storage tank which is communicated with a drain pipe with a valve, and the drain pipe supplies water to the water storage tank; the connecting pipe is communicated with the water storage tank and is horizontally arranged, and the position of the connecting pipe is higher than that of the water seal seat water tank; the water adding pipes are communicated with the connecting pipe, and the bottom ends of the water adding pipes are inserted into the water seal seat water tank but are not immersed in water in the water seal seat water tank; the splash-proof cylinder is erected at the bottom end of the water adding pipe, and the bottom of the splash-proof cylinder is immersed in water in the water tank of the water seal seat; and the sealing assembly is arranged at the splash-proof barrel and can seal the bottom end of the water adding pipe when the water level of the water tank of the water seal seat rises to a certain position. The water adding device has the effects of improving the water adding efficiency of the water tank of the water seal seat and improving the protection effect on the furnace top bricks in the water adding process.

The invention provides an in-reservoir gate applied to a submersible type hydroelectric power station, and relates to the technical field of water conservancy gates, the in-reservoir gate comprises a partition cement board, the partition cement board comprises a partition board body, an unfolding groove is formed in the outer surface of the partition board body, and a supporting seat is fixedly connected to the top of the partition board body; a transmission cavity is formed in the top of the partition plate body, and a supporting cavity is formed in the bottom of the transmission cavity. By arranging the transmission chain, the first transmission gear drives the second transmission gear to rotate, the two ends of the two gates are fixedly connected to the connecting shafts of the upper transmission gear and the lower transmission gear correspondingly, and therefore synchronous opening and closing of the first gate body and the second gate body are achieved; by arranging the first gate body and the second gate body which are synchronously unfolded, the water flow of river water rises faster when the gates are opened for draining water, the water flow of the river water drops faster when the gates are closed, the problem that deposited silt can not be washed away thoroughly is solved, and the overall surrounding environment can be improved.