49results about How to "Stable settlement" patented technology

The present invention relates to a novel perfusion bioreactor allowing continuous medium feed and extraction of metabolites or other desired products from cells. The invention is useful for plant cell cultures but may also be used for mammalian cell cultures, insect cell cultures and bacterial cell cultures. The design of the reactor includes sedimentation columns mounted inside the bioreactor to separate single cells and cell aggregates from the culture medium at a very low shear stress. The operating conditions allow a stable cell/medium separation by maintaining the medium upward velocity equal to or slightly lower than the cell sedimentation velocity.

A controllable intelligent magnetorheological piezoelectric vibration isolation support comprises a lower steel plate and an upper cover plate. Magnetorheological liquid is arranged in four grooves inside the lower steel plate. High-magnetic sliding columns are arranged in the grooves. Excitation coils encircle the high-magnetic sliding columns. Meanwhile, a hydraulic telescopic rod is arranged between every two adjacent high-magnetic sliding columns. The tops of the high-magnetic sliding columns are connected with small friction plates. The small friction plates are connected with a large friction plate. The upper portion of a rubber body filled with magnetorheological gels is connected with the large friction plate, and the lower portion of the rubber body is directly connected with the lower steel plate. The upper portion of the large friction plate is connected with the upper cover plate through four rubber laminates. The large friction plate and the upper cover plate bear force stably through an upper force transmission cushion plate, a lower force transmission cushion plate and a supporting steel body filled with piezoelectric stacks. Rubber cushion layers are stuck to the interiors of the two side walls of the upper cover plate. Pressure sensor modules arranged inside the rubber cushion layers are matched with wireless transmission modules arranged on the two sides of the large friction plate. According to the controllable intelligent magnetorheological piezoelectric vibration isolation support, real-time monitoring is achieved, and the vibration isolation support is controlled actively to reset and has the advantages of quick response and high sensitivity.

The invention discloses a continuous alkali washing method of C5 petroleum resin. In the alkali washing process, feeding and discharging processes are continuously carried out, which is beneficial to keeping the stability of product quality, effectively prevents phenomena of emulsification, resin material liquid entrained in discharged water and the like, reduces corrosion on equipment and saves cost, thus the method disclosed by the invention is an efficient, saving and less-pollution continuous alkali washing method.

The invention discloses a construction method utilizing a blown sand cofferdam as a cast-in-situ box beam support foundation. The method is used for cast-in-situ box beam construction and comprises the following steps of: (1) performing preparation of construction; (2) clearing foundation, and laying geotextile soft body mattress; (3) filling a bank core sandbag and an geotextile tube bag, i.e., after the soft body mattress is laid, firstly clearing and sweeping the soft body mattress, and then performing a bag filling construction process, wherein bag filling construction is divided into bank core sandbag filling and geotextile tube bag sand filling; (4) blowing and filling the cofferdam with sand, i.e., after a certain engineering work load of sandbag filling embank construction is performed, performing bank core sand filling, and performing parallel construction on edge bodies on two sides and bank core loose sand; (5) discharging water and performing compaction; (6) paving crushed rock; and (7) casting concretes to form a support foundation. The method has the characteristics of simple steps, simplicity and convenience in construction, safety, environmental friendliness, less sedimentation and the like, and can ensure that the line shape of a bridge box beam structure meets the design and standards.

The invention discloses a lock foot pile support structure for controlling tunnel initial support settlement convergence. The structure comprises an initial support in the tunnel grotto. A tilted lock foot pile is arranged at the outer wall of the initial support; the lock foot pile comprises a rotary jetting pile body, and the rotary jetting pile body is connected to an L-shaped steel core material. The other end of the L-shaped steel core material is connected with a connecting steel bar. The connecting steel bar is connected to an I beam steel frame of the initial support. The lock foot pile support structure for controlling the tunnel initial support settlement convergence has the advantages that the technical process is simple; the effected interference to the process conversion is less, the operation is convenient; the work efficiency is improved; the problems that the excavations of middle and lower steps cause the arch foot to be vacant, the side wall of the tunnel is unstable or the slippage and the grouting and anchorage effect of lock foot are poor are overcome; the stability of the palm surface, the deformation and settlement of the control cavern and the mechanized construction are achieved.

A process for the preparation of amorphous aluminum phosphate or polyphosphate-based pigment by reacting aluminum phosphate and sodium aluminate is provided. The amorphous aluminum phosphate or polyphosphate is characterized by a skeletal density of less than 2.50 grams per cubic centimeter and a phosphorus to aluminum mole ratio of greater than 1. In one embodiment, the composition is useful in paints as a substitute for titanium dioxide.

The invention discloses an underwater stone throwing and grouting reinforcing method for a hanging soft foundation at the lower part of an immersed tube. The method comprises the following steps: first, finding out the position of a pipeline, and excavating a water channel; throwing stone to the water channel, thus forming a stone-throwing silt squeezing layer; pre-burying a plurality of groutingpipelines at the position, close to the bottom, of the stone-throwing silt squeezing layer; then still throwing stone to the water channel, thus forming a stone-piled layer; then carrying out backfilling on the part around the pipeline by adopting stone chips till the water channel is level, thus forming a buffer layer; then covering the surface of the buffer layer with seepage-proofing geotechnical cloth, and carrying out backfilling on the seepage-proofing geotechnical cloth with gravel; then carrying out grouting and mud pumping simultaneously, thus forming a compact stone piled concrete structure; and finally, carrying out road pavement construction through layered paving and pressing according to the roadbed reequipments of road design. With the technical scheme, the purpose that whenthe waterway after construction adopting the immersed tube method encounters the construction road, the reinforcing for the foundation of the hanging part at the lower part of the immersed tube achieves the design bearing capacity requirements of the road is achieved, the method is simple and feasible, and the construction cost is low.

The invention relates to equipment of a sewage treating system, specifically to efficient sewage treating equipment. The efficient sewage treating equipment comprises a sewage inlet pipe which is communicated with a sewage source, a sewage pump for pumping out sewage, a regulating basin for storing sewage, a biological revolving cage reactor for purifying the sewage, a secondary precipitating basin, a dosing tank which is communicated with the secondary precipitating basin and a sewage dehydrating basin which is communicated with the secondary precipitating basin, wherein sampling cans are respectively arranged in the regulating basin and the secondary precipitating basin; one of the sampling cans is fixed on the bottom of the regulating basin, and comprises a can body, an enclosing blockand a refrigerating system; an opening is formed in the upper end of the can body; a liquid inlet gap is formed in the side wall of the can body, and extends from the top of the can body to the bottomof the can body; the enclosing block can enclose the liquid inlet gap; a communicating hole is formed in a contact position of the regulating basin and the sampling can; a sampling pond is communicated to the lower part of the communicating hole; a buffer solution is placed in the sampling pond; a cutting knife is arranged on one side of the communicating hole. The invention provides the sewage treating equipment which can treat sewage effectively, and can quickly and accurately perform water quality sampling.

The present invention relates to sugar refining technology, and the method of clarifying sugar liquid with quick lime includes the steps of slaking, adding lime cream and neutralizing. The present invention features the slaking step of mixing 50-300 mesh quick lime powder and water at 40-70 deg.c in the weight ratio of 1 to 2-10. The present invention has fast precipitating reaction speed, high lime cream quality, high lime utilization rate, no lime slag exhaust, raised sugar liquid clarifying effect and other advantages.

The invention relates to a frame and spring combination type bridge and road transition section structure integrated with a bridge abutment. The frame and spring combination type bridge and road transition section structure comprises the bridge abutment, a beam and a subgrade body and further comprises a steel reinforced concrete transition section frame and a plurality of high-strength spring bundles. The steel reinforced concrete transition section frame comprises a prefabricated horizontal steel reinforced concrete plate and a prefabricated oblique steel reinforced concrete supporting plate. The prefabricated horizontal steel reinforced concrete plate is connected with the upper end of the bridge abutment through a first high-strength hinged bolt, the prefabricated oblique steel reinforced concrete supporting plate is connected with the lower end of the bridge abutment through a second high-strength hinged bolt, and the other end of the prefabricated horizontal steel reinforced concrete plate is connected with the other end of the prefabricated oblique steel reinforced concrete supporting plate through a third high-strength hinged bolt. The prefabricated oblique steel reinforced concrete supporting plate is fixedly attached to the subgrade body. The high-strength spring bundles are vertically installed between the prefabricated horizontal steel reinforced concrete plate and the prefabricated oblique steel reinforced concrete supporting plate. The frame and spring combination type bridge and road transition section structure solves the problem that a sedimentation difference is caused by a rigidity difference between special-shaped buildings in a transport line.

The invention discloses a framework, truss and high-strength spring combined bridge-road transition section structure integrated with a bridge abutment. The framework, truss and high-strength spring combined bridge-road transition section structure comprises a foundation, the bridge abutment, a beam body, a roadbed body, a framework transition section structure, a high-strength spring bundle and a reinforced concrete prefabricated truss member, wherein the framework transition section structure comprises a reinforced concrete prefabricated horizontal plate and a reinforced concrete prefabricated diagonal bracing plate; the reinforced concrete prefabricated horizontal plate and the upper end of the bridge abutment are connected by a bolt; the reinforced concrete prefabricated diagonal bracing plate and the lower end of the bridge abutment are connected by the other bolt; the other end of the reinforced concrete prefabricated horizontal plate and the other end of the reinforced concrete prefabricated diagonal bracing plate are connected by another bolt; a cavity is formed by the reinforced concrete prefabricated horizontal plate, the bridge abutment and the reinforced concrete prefabricated diagonal bracing plate; the reinforced concrete prefabricated truss member and the high-strength spring bundle are arranged in the cavity; the reinforced concrete prefabricated diagonal bracing plate is in contact with the roadbed body in an attaching manner; the roadbed body provides powerful support for a structure with a framework, a truss and a high-strength spring; the reinforced concrete prefabricated truss structure can be used for effectively controlling the settlement of a bridge-road transition area.

The invention relates to the technical field of ocean engineering gravity anchoring, in particular to a gravity anchor capable of achieving stable submergence and a submergence method thereof.The gravity anchor capable of achieving stable submergence comprises an anchor body (1) and is characterized in that the anchor body (1) is of a big-end-down prism frustum or circular truncated cone structure, a perpendicular through hole (3) penetrating through the upper and lower surfaces of the anchor body is formed in the central axis or the position close to the central axis of the anchor body (1), the perpendicular through hole (3) is a water through channel, and the portion below the perpendicular through hole (3) is expanded through the prism frustum or circular truncated cone structure (4).According to the gravity anchor, the actual sectional area of a traditional anchor block is changed, the sectional area is gradually decreased along with the water depth generally, the area of the bottom of the anchor block is decreased, the position of the center of gravity of the anchor block is changed, the tumble torque is decreased, and overturning and transverse drifting generated by imbalance caused by external influences are lowered during the installation operation of the anchor block, so that good stability and safety of a gravity anchor anchoring system such as a ship or a floating platform connected to the gravity anchor are kept, and the risk of economic losses caused by construction errors is effectively lowered.

The invention discloses a steam generation device for making fish heads with chopped hot peppers and a making device for the fish heads with chopped hot peppers, and relates to the field of steam generation devices.The steam generation device comprises a steam generation box, a power unit can pump water in a first water tank into a steam generation chamber along a second pipeline and a first pipeline, and the steam generation chamber has much scale; the floating box is arranged in the steam generation cavity and can float on the surface of boiling water in the steam generation cavity, the floating box continuously settles in the height direction in the steam generation cavity by means of the boiling effect of the boiling water, and the floating box is not prone to being maintained and cleaned in real time due to the boiling effect of the boiling water. The water scale or other impurities in the water move back and forth towards the inner wall of the steam generation cavity, at the moment, the water scale or other impurities can be beaten on the floating box by boiling water and enter the collecting tank through the opening in the upper portion of the floating box to be collected, and the purpose of collecting the water scale in real time is achieved.