30results about How to "Improve treatment uniformity" patented technology

The invention discloses a molten steel calcium treatment process and equipment thereof. The process comprises the following steps: 1) heating up and vacuuming; 2) alloying; 3) calcium treatment. The equipment includes a vacuum induction furnace, the vacuum induction furnace includes a vacuum chamber, a swing arm is arranged on the side wall of the vacuum chamber, an induction furnace is arranged in the vacuum chamber, the induction furnace is fixedly connected with the swing arm, the The top of the vacuum chamber is provided with a sealed furnace cover, and the sealed furnace cover is provided with a motor and a stirring rod. The bottom end of the stirring rod extends into the induction furnace, and the bottom end of the stirring rod is connected with a stirring head. The power input end of the stirring rod is connected with the motor. The smelting process of the present invention is sealed in a vacuum chamber, which can effectively prevent the oxidation and burning of the alloy, and has a high yield; the mechanical stirring method creates good dynamic conditions for the uniformity of calcium treatment, and significantly improves the calcium treatment of molten steel Effect; the whole operation process is completed in the vacuum chamber, which is isolated from the test operators, and the safety is better.

An industrial plant for drying and / or conditioning (1) flexible laminar surfaces comprising an operating tunnel (2) mainly developing according to a linear direction (Z) and provided with air conditioning devices (3) and / or traction organs suitable to act on the flexible laminar surfaces so as to dry them and / or spread them according to predetermined treatment and / or tensioning cycles, a plurality of support frames (4), each of which suitable to receive at least one of the flexible laminar surfaces so as to keep it in a spread and vertical position, moving means (5), operatively connected with the support frames (4) in order to convey them along the linear direction (Z) according to a predefined speed within the operative tunnel (2), to allow drying and / or tensioning of the flexible laminar surfaces, and outside the operative tunnel (2) to allow discharging of the flexible laminar surfaces dried and / or tensioned in a working cycle and loading of the flexible laminar surfaces to be dried and / or tensioned in the following processing cycle. In particular, the industrial drying plant comprises a buffer loading station (6), arranged upstream the operative tunnel (2) with which it communicates, suitable to integrally receive a pre-established group (7) of the support frames (4) before the pre-established group (7) itself of support frames (4) is transferred in bulk within the operative tunnel (2) by the moving means (5), in such a way that the support frames (4) of the pre-established group (7) simultaneously reach the inside of the operating tunnel (2) and the flexible laminar surfaces supported by the support frames (4) of the pre-established group (7) are simultaneously subjected to the processing of the air conditioning devices.

A baffle plate, provided in a processing chamber for processing a substrate therein such that the baffle plate is disposed around a mounting table for mounting the substrate thereon, has a plurality of gas exhaust holes, through which a gas is exhausted from the processing chamber. The baffle plate has a stacked structure including a plurality of plate-shaped members. The baffle plate includes a pressure adjustment gas supply passageway to supply a pressure adjustment gas for adjusting a pressure in the processing chamber.

The invention provides efficient nitrogen and phosphorus removalaeration biological filter integrated equipment which comprises a sewage inlet pipe and a machine room; the end, away from a water collecting pipe network, of the sewage inlet pipe is communicated with an integrated grating pool, a water outlet of the integrated grating pool is communicated with an overflow pipe, and the right side ofthe bottom of an inner cavity of the integrated grating pool is in bolted connection with a first submersible sewage pump; a water outlet of the first submersible sewage pump is communicated with a water inlet pipe, and the end, away from the integrated grating pool, of the water inlet pipe is communicated with an integrated sewage treatment pool. A driving source is provided through an air blower, and then sewage in the integrated sewage treatment tank can be subjected to aeration treatment through cooperation of an aeration pipe, a backwashing main pipe, an aeration main pipe, aeration branch pipes and single-hole membrane aerators, so that the contact area between sewage particles and microorganism molecules is increased, so that the reaction rate between sewage and microorganisms is enhanced; a stainless steel filter screen, bamboo charcoal activated carbon and ceramsite are matched with one another, and accordingly, the sewage can be subjected to graded filtration and adsorption.

A semiconductor substrate processing apparatus can supply RF powers having the same frequency to upper and lower electrodes serving to generate different degrees of uniformity, and control a power ratio of the RF powers, thereby enhancing a processing uniformity of a semiconductor substrate. The apparatus includes a vacuum chamber to receive a semiconductor substrate, upper and lower electrodes disposed within the vacuum chamber, RF power suppliers to supply RF powers having the same frequency to the upper and lower electrodes, and a controller to control a power ratio of the RF powers supplied from the RF power suppliers to the upper and lower electrodes.

The invention discloses a test device and a test method compounding an EKG (electrokinetic geosynthetics) electro-osmosis method with a direct-discharge type vacuum pre-loading combination method. The device comprises an organic glass model slot, wherein holes are formed in the side wall of the model slot, and the holes are sealed by use of rubber plugs; micro pH meters are connected to a conductive plastic water draining board through guide wires and then are connected to a power supply through the rubber plugs; the water draining board is fixed to the inner surface of the bottom of the model slot; the water draining board is connected to a water draining main tube through a plate tube connector; the water draining main tube is sequentially connected to a vacuum tube and a suction flask; the suction flask is arranged on an electronic scale; the suction flask is connected to the vacuum pump; and a water pump controller is connected to the vacuum pump. According to the test device, a soil body is treated by combining an electrode transition cathode direct-discharge vacuum-electro-osmosis method with a no-transition electrode two-sided water-discharge vacuum-electro-osmosis method, so that the pH value changes, the voltage changes and the sedimentation changes in the soil body can be accurately monitored, and therefore, the condition that vacuum pre-loading and electro-osmosis are restrained with each other at an anode according to the conventional vacuum-electro-osmosis method is relieved, the test efficiency is improved, the soil body reinforcing effect is improved, and the reinforced soft soil foundation has relatively high bearing capacity.