9results about How to "Guaranteed one-way" patented technology

This utility model relates to the field of incinerator technology and provides a vertical waste treatment incinerator, including a furnace body; a feeding structure located on the side wall of the furnace body; and a slag discharge structure located at the lower part of the furnace body. The slag discharge structure includes a slag discharge channel located on the outer side wall of the furnace body, and an annular heat absorption groove is provided on the outer side of the slag discharge channel, which is filled with a heat source for heat absorption. A drying chamber and a fan are sequentially arranged on the upper part of the furnace body adjacent to the slag discharge channel. By setting an annular heat absorption groove and heat-conducting plates on the outside of the slag discharge channel, this utility model can not only efficiently recover the heat released during the slag discharge process for drying the waste about to enter the incinerator, thereby improving incineration efficiency and reducing external energy input, but also effectively extend the service life of key system components and maintain the stability and energy utilization efficiency of the system by reducing the temperature of the slag discharge channel, preventing heat backflow, and ensuring the safe discharge of ash and slag.

The invention discloses a probiotic yoghurt constant temperature fermentation control device, and relates to the technical field of fermentation, the top surface of a gas pipe is provided with a gas conveying groove for conveying gas into the fermentation control device, a gas guide pipe is inserted into the gas pipe, and the gas pipe and the gas guide pipe are in rotary sleeving connection; the fermentation control device has the advantages that whether gas is introduced or not is flexibly controlled according to the requirements for gas in different stages of fermentation, the gas conveying bin can provide buffering and storage space for auxiliary fermentation gas, the gas conveying bin can provide buffering and storage space for the auxiliary fermentation gas, and the fermentation control device is simple in structure, convenient to use and high in practicability. The gas conveying pressure can be balanced, the phenomenon that the fermentation process is influenced by gas pressure fluctuation is avoided, the gas conveying and control functions are achieved, meanwhile, the overall structure is simplified, a proper gas environment can be provided for the fermentation process, and the smooth proceeding of the fermentation reaction is facilitated.

The utility model relates to the field of biopharmaceutical technology, disclose a valve assembly, including valve body and sealing washer, wherein the valve body is equipped with the sealing washer installation groove for installing sealing washer, is equipped with one -way exhaust structure in sealing washer installation groove, it includes the air vent and elastic protective sheath, the air vent intercommunication sealing washer installation groove with elastic protective sheath, elastic protective sheath covers air vent in its inside, when the inside pressure of elastic protective sheath is greater than the outside pressure, elastic protective sheath is pressed and occurs expansion, its outer diameter is larger and exceeds the boss outer diameter, forms the gap between with boss outer wall, air vent opens, gas is discharged to the outside through the gap, realizes the pressure reduction inside container, when the inside pressure of elastic protective sheath is less than or equal to the outside pressure, elastic protective sheath contracts, sticks boss outer wall, closes side wall hole, air vent closes, prevents the outside gas or pollutant to enter the inside container, the utility model realizes the demand of equipment sterile transmission through one -way exhaust structure.

This utility model belongs to the technical field of toilet accessories, and relates to a toilet flushing pump and its flushing structure. It includes a pump housing, within which a motor-driven impeller is disposed. The pump housing has an axially distributed inlet, a first outlet arranged in a forward spiral, and a second outlet arranged in a reverse spiral. When the motor drives the impeller to rotate forward, the forward spiral water flow exits from the first outlet; when the motor drives the impeller to rotate in reverse, the reverse spiral water flow exits from the second outlet. A first baffle plate and a second baffle plate are disposed in the flow channel area between the first and second outlets. The first baffle plate is adjacent to the first outlet and blocks the reverse spiral water flow from entering the first outlet, and the second baffle plate is adjacent to the second outlet and blocks the forward spiral water flow from entering the second outlet. The toilet flushing pump and its flushing structure provided by this utility model can save space and reduce costs.

This utility model discloses an automatically adjustable DC inrush current suppression circuit, relating to the field of power electronics technology. The suppression circuit includes: an auxiliary module for connecting to a power supply and controlling the consistency during charging to prevent circuit damage caused by reverse connection; an RC network module for receiving circuit signals and dynamically adjusting the charging time constant based on the circuit signals to control the opening of a switch; a switch for limiting inrush current and ensuring normal power supply; a current detection module for detecting inrush current, converting it into a voltage signal, and providing feedback on the current level; the output terminal of the auxiliary module is connected to the input terminal of the RC network module, the output terminal of the RC network module is connected to the input terminal of the switch, and the output terminal of the switch is connected to the input terminal of the current detection module. This utility model ensures that the voltage of the MOSFET Q1 does not fluctuate due to changes in load current when it is turned on.

The utility model relates to the technical field of direct water dispensers, and discloses a direct water dispenser which comprises a case, a water inlet is communicated with the outer wall of the right side of the case, a front water filter is fixedly connected with the outer wall of the water inlet, a multi-stage filter barrel is communicated with the left side of the water inlet, a plurality of mounting rings are fixedly connected with the inner wall of the multi-stage filter barrel, and the mounting rings are fixedly connected with the water inlet. The middle lower part of the inner wall of the multi-stage filtering barrel is in sliding connection with a front activated carbon filter, the middle part of the inner wall of the multi-stage filtering barrel is in sliding connection with a nano ceramic filter, the middle upper part of the multi-stage filtering barrel is in sliding connection with a rear activated carbon filter, and the middle part of the bottom of the inner wall of the case is fixedly connected with an instant heating barrel. According to the utility model, the nano ceramic filter is arranged in the multi-stage filter vat, so that bacteria and viruses in water are filtered by utilizing a nano-scale microporous structure, the generation of wastewater is reduced, and the utilization rate of water resources is improved.

This utility model discloses a buried municipal sewage treatment device, including a shell and a filter cartridge rotatably installed inside it. Multiple non-interconnected filter chambers are arranged in an array within the filter cartridge along its rotation direction. The filter cartridge rotates at a preset angle to connect one filter chamber to the inlet of the shell, and connects any one of the remaining filter chambers' discharge ports to the inlet of a sewage pipe. The discharge port of the sewage pipe passes through the shell and extends to a designated area, while the remaining discharge ports are closed. The filter chamber connected to the inlet of the sewage pipe is equipped with an automatic cleaning component. This utility model can automatically discharge solid particulate impurities trapped in the filter chambers through the sewage pipe, replacing traditional manual cleaning methods. This design significantly reduces manual intervention, lowers labor intensity, avoids filter cartridge clogging caused by untimely manual cleaning, ensures continuous and efficient operation of the filter cartridge, and improves the continuity and timeliness of sewage treatment.

The utility model provides an ice maker which comprises a bottom plate, a water tank arranged above the bottom plate, an evaporator, an ice bucket and a water path structure, the water path structure comprises a water inlet passage and a water drainage passage, and the water inlet passage comprises a water inlet trunk suitable for being communicated with a water source; the water inlet electromagnetic valve is suitable for controlling on-off of water inlet, the pressure reducing valve device is suitable for adjusting water pressure, and the water pump is suitable for pumping water. The bottom plate comprises a water collecting groove, a water leakage protector is arranged in the water collecting groove, and when the water leakage protector monitors that leaked or escaping water flow is collected in the water collecting groove, the water inlet electromagnetic valve is closed, and the water pump is shut down. According to the utility model, the water collecting groove and the water leakage protector are arranged on the bottom plate, so that the overflow and water leakage conditions in the ice maker, especially in the water path structure, can be efficiently monitored, and the water inlet electromagnetic valve and the water pump are automatically closed to avoid water damage and equipment damage, so that the water use safety is improved, and the waste of water resources is reduced.

The application relates to the technical field of gas meters, in particular to a dual-mode communication intelligent gas meter, which comprises a gas meter with an air inlet and an air outlet, a gas pipe for connecting external pipelines, a sealing air bag arranged in the air inlet and abutting against the bottom and the outer side of the gas pipe to form a seal, a linkage sealing mechanism comprising a trigger part, a transmission part and a sealing execution part, the trigger part comprising a plurality of inclined surface sliding blocks arranged on the inner wall of the air inlet, the bottom end of the gas pipe abutting against the inclined surface sliding blocks when the gas pipe is inserted into the air inlet, the transmission part comprising a crank and a hinged seat linked with the inclined surface sliding blocks, the sealing execution part comprising a gas cavity for storing gas, the gas cavity being communicated with the sealing air bag through a gas conveying groove, and a leakage recovery assembly comprising an anti-leakage groove, the inlet end of the anti-leakage groove extending to the peripheral area of the sealing air bag.