摘要:
Removal of oxygen from an oxygen-containing compound and its conversion into an organic substance of a lower molecular weight is accomplished by causing the compound to react with water and carbon monoxide in the presence of a red clay catalyst.
摘要:
Discharge of a high-pressure gas-occluding liquid from a pressureproof container holding therein said liquid in a compressed state is effected by a method which comprises connecting said pressureproof container through the medium of a valve to a pressureproof receptacle, allowing the liquid to transfer into said pressureproof receptacle, diminishing the pressure within said pressureproof receptacle for thereby separating the occluded high-pressure gas from the liquid and subsequently releasing the liquid alone from the receptacle. For the purpose of said discharge, there is used a device which comprises a pressureproof container, a pressureproof receptacle and a valve through the medium of which said pressureproof container and said pressureproof receptacle are connected, said pressureproof receptacle being provided in the upper portion thereof with a piston adapted so as to have the motion thereof limited via a valve by means of a spring and in the inner portion thereof with a liquid discharge tube laid past a piston and a valve.
摘要:
An apparatus for the transfer of powder into a high-pressure vessel comprises a cylinder, two pistons disposed one on top of the other inside said cylinder and two openings formed in the circular wall of the cylinder, the one opening serving as an inlet for entry of the powder and the other opening serving as an outlet for exit of the powder into the high-pressure vessel. The transfer of powder from the powder hopper into the high-pressure vessel by use of said apparatus is accomplished by a method which comprises connecting the inlet of said apparatus to the discharge tube of the powder hopper and the outlet of the apparatus to the powder lead tube of the high-pressure vessel respectively, driving the two pistons so as to interpose a space therebetween communicating with the inlet opening, then moving the pistons in unison for thereby causing said space to move down the cylinder interior to a position in communication with the outlet opening so that the powder in the space can fall into the high-pressure vessel and then driving the pistons together to eliminate the space between them.
摘要:
A hydrocarbon oil, particularly a heavy hydrocarbon oil, containing vanadium, nickel, sulfur and asphaltenes is brought into contact with red mud at an elevated temperature in the presence of hydrogen. The treatment removes vanadium, nickel and asphaltenes from oil in high yields.
摘要:
A casing of a regenerative pump forms a generally annular fluid passage, which conducts a fluid. An impeller is rotatably received in the casing and has a plurality of blades, which are arranged one after another in a circumferential direction to provide kinetic energy to the fluid in the fluid passage upon rotation of the impeller. The regenerative pump satisfies a relationship of 0.60≦b/a≦0.76, where “a” is an axial width of each blade, and “b” is a total axial distance, which is a sum of a first axial distance between a first axial side outer edge of the blade and an opposed first axial side inner wall of the fluid passage and a second axial distance between a second axial side outer edge of the blade and an opposed second axial side inner wall of the fluid passage.
摘要翻译:再生泵的壳体形成大体上环形的流体通道,其传导流体。 叶轮可旋转地容纳在壳体中,并且具有多个沿圆周方向一个接一个地布置的叶片,以在叶轮旋转时向流体通道中的流体提供动能。 再生泵满足0.60 <= b / a <= 0.76的关系,其中“a”是每个叶片的轴向宽度,“b”是总轴距离,其为总轴向距离, 叶片的第一轴向侧边缘和流体通道的相对的第一轴向侧内壁和叶片的第二轴向侧边缘与流体通道的相对的第二轴向侧内壁之间的第二轴向距离。
摘要:
A vortex-flow blower device includes an impeller having a plurality of fins, a blower housing that has a vortex flow chamber for accommodating the impeller and extends from a start point on a side of a the fluid inlet port to an end point on a side of a fluid discharge port along the plurality of fins, a partitioning portion that blocks a communication between the end point and the start point in the vortex flow chamber, and a thermal fuse that is provided in the blower housing. The thermal fuse can be fused by a temperature rise so as to discharge the fluid on the side of the fluid discharge port to an outside, or communicate with the side of the fluid discharge port to the side of the fluid inlet port in the vortex flow chamber when the thermal fuse is fused.
摘要:
A rotary blade molding method, a rotary blade molding die and a rotary blade molded thereby are disclosed. A cavity (79) for molding an impeller (31) is formed between a fixed-side die plate (59) and a movable-side die plate (75). The movable-side die plate (75) has a plurality of outer through holes (81) formed in spaced relation to each other in the peripheral direction on the inner peripheral surface of the cavity (79) and extending in the direction along which the fixed-side die plate (59) and the movable-side die plate (75) move away from or toward each other. Outer ejector pins (83) are removably inserted into the outer through holes (81), respectively. By changing the length of the outer ejector pins (83), the axial position of the forward end surface of each outer ejector pin (83) with respect to the inner peripheral surface of the cavity (79) is changed, so that the thickness of a molded product is changed thereby to adjust the balance of the impeller (31) around the axis thereof. As a result, the unbalance of the rotary blade can be adjusted by an inexpensive and simple method.
摘要:
In the disclosed secondary air supply system, an on-off valve (13) is driven by the discharge pressure of an air pump (12). A diaphragm chamber (44) is arranged in the neighborhood of a discharge outlet (54), and a part of the discharge air flows directly into the diaphragm chamber (44). Thus, the on-off valve (13) is positively operated even at high places with low atmospheric pressure and has a fast open/close response. As an electromagnetic actuator is not used to drive the on-off valve (13), the voltage supplied to the air pump (12) (DC motor (29)) does not drop inconveniently, and at the same time, the cost is reduced. Further, the number of the lead wires (65) is reduced.