3results about How to "Won't mix" patented technology

The utility model discloses an automatic screening mechanism for sizes of steel balls. The automatic screening mechanism structurally comprises a rack, a guide plate obliquely facing downwards is arranged on the rack, a fixing frame is arranged on the rack, a fixing plate capable of moving up and down is arranged on the fixing frame, and a driving part for driving the fixing plate to move up and down is arranged on the fixing frame. An inner material blocking plate and an outer material blocking plate which are parallel to each other are arranged on the fixing plate, a buffering area is formed between the inner material blocking plate and the outer material blocking plate, the width of the buffering area is larger than the inner diameter of a steel ball, and the steel ball conveying device guarantees that the steel balls exceeding the specification cannot be mixed with steel balls of normal specifications.

This utility model discloses a parallel system of a water-cooled dual-cold-source air wall, including a plate heat exchanger, two compressors, a refrigerant coil, a chilled water coil, and an EC fan. The plate heat exchanger and chilled water coil are provided with chilled water inlet and outlet ends, which are connected in parallel to the chilled water inlet and outlet pipes, respectively, forming a chilled water loop. This utility model connects the plate heat exchanger and chilled water coil in parallel, allowing all chilled water to enter the chilled water coil for natural cold source cooling. Alternatively, the chilled water can be divided into two paths: part enters the chilled water coil, and part enters the plate heat exchanger to remove heat from the high-temperature, high-pressure refrigerant, achieving mixed cooling. Alternatively, all chilled water can enter the plate heat exchanger for mechanical cooling. This system can fully utilize natural cold source cooling, simplify the refrigerant pump, improve unit energy efficiency, and meet energy-saving requirements.

The invention discloses a drainage tube device capable of effectively dredging blockage, which comprises a dredging structure with one end connected with a drainage bag and the other end connected with a drainage tube; two one-way valves arranged along the side wall are arranged in the drainage bag and include the first one-way valve close to the drainage tube and the second one-way valve far away from the drainage tube, the space between the first one-way valve and the second one-way valve is a dredging space, and the first one-way valve and the second one-way valve are valves opened in one direction towards the drainage bag. The positive and negative pressure providing structure is used for providing positive pressure or negative pressure for the dredging space, when the negative pressure is provided, the first one-way valve is opened, substances in the drainage tube enter the dredging space under the action of negative pressure suction, and when the positive pressure is provided, the second one-way valve is opened, and substances in the dredging space are pushed out to the drainage bag under the extrusion of the positive pressure. The blocking problem is effectively solved through cooperation of positive pressure and negative pressure which act repeatedly and the one-way valve, no drainage liquid or other liquid flows back to a drainage area in the process, and the drainage area can be effectively protected.