42results about How to "High osmotic pressure" patented technology

The invention discloses an infiltrating road gutter inlet having a secondary silt settling function. The infiltrating road gutter inlet comprises a rainwater collecting and primary settling well and a silt settling and inflating well, wherein the rainwater collecting and primary settling well and the silt settling and inflating well are arranged in an adjacent mode and the silt settling and inflating well is deeper than the rainwater collecting and primary settling well; a primary collecting device is movably arranged in the rainwater collecting and primary settling well; a secondary collecting device is movably arranged in silt settling and inflating well; a cover plate, which is provided with a rainwater grate, is arranged on the top side of the rainwater collecting and primary settling well; a well cover, which is free from a rainwater grate, is arranged on the top side of the silt settling and inflating well; the upper side of the rainwater collecting and primary settling well is connected to the upper side of the silt settling and inflating well by virtue of a communicating pipe; an overflow pipe, which communicates with a road rainwater inspection well, is arranged at the upper side of the silt settling and inflating well; a secondary filtering section and a secondary silt settling section are arranged on the lower section of the silt settling and inflating well sequentially from top to bottom; and an inflating pipe, which is connected to surrounding soil bodies, is arranged on the secondary filtering section. The gutter inlet provided by the invention can effectively reduce emission pressure of a road rainwater main pipe and relieve or avoid the occurrence of road basement settlement and waterlogging phenomenons; and the technology for forming the gutter inlet is mature, convenient to construct and easy for daily maintenance.

The invention relates to a high-temperature and high-pressure true triaxial direct shear fracture seepage coupling testing device. Two first pressure heads and two pressure assemblies are arranged above and below a rock sample in a manner of being symmetrical about the center of the rock sample. The two second pressure heads are arranged on the left and right sides of the rock sample in a central symmetry manner relative to the rock sample. The first pressing head comprises a first pressing head body provided with a groove part. A part of the pressure assembly is accommodated in the groove part. The pressure assembly comprises a rubber capsule and a base plate, and the rubber capsule applies pressure to the rock sample through the base plate. Seepage media in a first seepage network groove formed in the first pressure head main body and a second seepage network groove formed in the base plate apply seepage pressure to the rock sample. The triaxial testing machine applies lateral confining pressure, axial pressure and high temperature to the rock sample. The true triaxial direct shear fracture seepage testing device has the beneficial effects that the true triaxial direct shear fracture seepage testing device is combined with a triaxial testing machine, a true triaxial direct shear fracture seepage test can be carried out on a rock sample under high-temperature and high-pressure conditions, and the practicability and the reliability are relatively high.

The invention discloses a multifunctional automatic flexible wall permeability tester and a testing method thereof. A single-chip microcomputer control system for controlling a hydraulic device to work and a data acquisition system for acquiring data are arranged in a console; a cylindrical cavity, an upper cover and a base are connected through a sealing fixing piece; an exhaust port is formed inthe upper cover; the base is provided with an inlet channel used for being communicated with a penetrating fluid inlet, an outlet channel used for being communicated with a penetrating fluid outlet and a confining pressure channel for being communicated with a confining pressure applying opening. A sample table, a permeable stone, filter paper, a sample and a hollow sample upper seat are sequentially arranged on the base in the cylindrical cavity from bottom to top, the inlet channel extends to the middle of the base from a penetrating fluid inlet and vertically and upwards penetrates throughthe sample base, and the top end is communicated with an outlet channel of the penetrating fluid outlet through a pipeline; a first hydraulic outlet and a second hydraulic outlet are connected with apenetrating fluid storage device water inlet and a confining pressure applying opening respectively, and a penetrating fluid storage device penetrating fluid outlet is connected with the penetratingfluid inlet. The tester is high in operation automation degree, high in permeation efficiency and capable of simulating acid-base permeation conditions.

The invention relates to a pseudo random pulse sequence electric simulation therapeutic instrument and a working method thereof. A single-chip microcomputer endows a pseudo random encoding program; and an electrode A and an electrode B outputs an electric simulation pulse sequence, wherein the polarity and amplitude of the sequence can be changed and the pulse amplitude, pulse width and pulse period of the sequence are modulated by a pseudo random code. The electric simulation pulse sequence is used for simulating an acupuncture point to eliminate accumulation of free radicals of a corresponding organ part; and the histocyte can be protected from being damaged and correct transmission, transcription, and copying of DNA information of stem cells can be guaranteed based on dynamic balancing of the free radical level enables. According to the invention, the shortest period of the generated electric simulation pulse changing randomly is 333ms (3Hz) and matching with physiological parameters of muscle contraction of the human body is realized, so that the electric simulation effect is good; the width of the electric simulation pulse changing randomly is (5-20) ms and time occupied by each electric simulation pulse is larger than ascending branch time of cell excitation, so that each pulse can stimulate excitation of the cell once.

A process for the recovery of purified water from a reverse osmosis reject stream includes preconditioning a reject stream to remove scaling ions and provide preconditioned water; separating any precipitate that forms in the preconditioned water to form a feed stream; subjecting the feed stream to high pressure membrane filtration system including a recirculating, high pressure pump generating a permeate stream and a second reject stream; adding a make-up water stream to the feed stream; and separating the permeate stream as purified water. Additional features and embodiments are also provided.

The invention relates to a novel sewage filtering device, which relates to the technical field of sewage treatment, and mainly aims at solving the technical problems that the existing sprayer is arranged at the downstream side of a fan, so that the seepage pressure of the sewage on an ultrafiltration membrane is reduced, and the sewage filtering effect is influenced. The novel sewage filtering device mainly is characterized in that the novel sewage filtering device comprises a first case pipe, a second case pipe, an ultrafiltration membrane, an air blowing device and a sprayer used for being connected with a sewage inlet pipe, wherein the air blowing device comprises a wheel disc and a plurality of fan blades; the wheel disc is in a round tube shape and is rotationally arranged in the first case pipe; the sprayer is arranged inside the wheel disc; the plurality of fan blades are arranged on the inner wall of the wheel disc in the circumferential direction and are arranged around the sprayer; a gap is formed between the fan blades and the sprayer; the first case pipe is provided with a first case pipe forming the self inner wall; the first case plate is a vibration plate and is positioned at the downstream side of the air blowing device; the sprayer is arranged in a way of facing the first case plate so that water sprayed out from the sprayer collides the first case plate.

The invention provides a membrane type sewage filtering system which comprises an outer pipe body and an inner pipe body; a pipe type clean water chamber is defined between the outer pipe body and the inner pipe body; the inner pipe body is internally provided with a column type sewage chamber; two ends of the clean water chamber are sealed by seal stoppers; the clean water chamber is introduced outwards to form a clean water outlet; two ends of the sewage chamber are connected with a sewage circulation flow running system with a circulating pump; the outer pipe body is made from a water impermeable material; the inner pipe body consists of a filtering membrane and a membrane support clamped at two sides of the filtering membrane; the sewage chamber is internally provided with a hydraulic drive part, and the hydraulic drive part rotates around the axes of the inner pipe body under the impact of water body; when the hydraulic drive part rotates, the sewage in the inner pipe body is driven to quickly rotate. When the system is used for filtering the sewage, the amount of particle impurities on the surface of the filtering membrane can be greatly reduced, and the side impact of the water body on the filtering membrane can be reduced; the membrane type sewage filtering system not only is higher in filtering efficiency, but also is not easily damaged.

The invention relates to a wind-blowing-type sewage purification device, relates to the technical field of sewage treatment, and mainly aims to solve the technical problems that in the prior art, dueto the arrangement of the spray head on the downstream side of a fan, the pressure of permeation of sewage from an ultrafiltration membrane is reduced and the sewage filtering effect is affected. Theinvention adopts the main technical scheme as follows: the wind-blowing-type sewage purification device comprises a first shell tube, a second shell tube, an ultrafiltration membrane, a wind-blowing device and a spray head connected with a sewage inlet pipe, wherein the wind-blowing device comprises a wheel disc and a plurality of fan blades; the wheel disc is cylindrical and rotatably arranged inside the first shell tube; the spray head is arranged inside the wheel disc; the plurality of fan blades are circumferentially arranged on the inner wall of the wheel disc and around the spray head; gaps are formed between the fan blades and the spray head; the first shell tube comprises a first shell plate forming own inner wall; the first shell plate is a vibrating plate and is positioned on thedownstream side of the wind-blowing device; the spray head faces the first shell plate, so that water sprayed out by the spray head hits the first shell plate.

The invention discloses a self-priming semi-permeable membrane drainage network, which comprises PVC pipes connected vertically and horizontally; One end is opened as a liquid injection port; a number of permeable holes are opened on the PVC pipe, and the outer surface of the PVC pipe is wrapped with a semi-permeable membrane. It also discloses the implementation method of the self-priming semi-permeable membrane drainage network, relying on the osmotic pressure of the solution inside and outside the PVC pipe, so that the water in the soil passes through the semi-permeable membrane and enters the pipeline to be discharged, and multiple PVC pipes drain at the same time, increasing the drainage area. The drainage process is simple and efficient, saving manpower and material resources, and the drainage efficiency is high, which effectively promotes the increase of the bearing capacity of the foundation. And there is no dust pollution in the process of rapid water reduction, the used sulfurous acid pulp waste liquid is non-toxic, highly viscous, not easy to seep out from the semi-permeable membrane, has good osmotic pressure, and meets environmental protection requirements.

The invention relates to a high-temperature and high-pressure true triaxial direct shear fracture-seepage coupling test device. Two first indenters and two pressure components are arranged above and below the rock sample in a manner symmetrical to the center of the rock sample. The two second indenters are arranged on the left and right sides of the rock sample in a symmetrical manner with respect to the center of the rock sample. The first indenter includes a first indenter main body provided with a groove. A part of the pressure component is accommodated in the groove. The pressure component includes a rubber bladder and a backing plate, and the rubber bladder applies pressure to the rock sample through the backing plate. The seepage medium in the first seepage network groove provided on the main body of the first indenter and the second seepage network groove provided on the backing plate applies osmotic pressure to the rock sample. The triaxial testing machine applies lateral confining pressure, axial pressure and high temperature to the rock sample. The beneficial effect is that the test device is combined with a triaxial testing machine, can carry out a true triaxial direct shear fracture seepage test on a rock sample under high temperature and high pressure conditions, and has high practicability and reliability.

The invention relates to a purification device for sewage filtration, and relates to the technical field of sewage treatment. The main purpose is to solve the problem that the existing nozzle is arranged on the downstream side of the fan, which causes the pressure of sewage to permeate from the ultrafiltration membrane to decrease and affects the sewage filtration effect. technical issues. The main technical solution is: a purification device for sewage filtration, which includes a first shell tube, a second shell tube, an ultrafiltration membrane, a blowing device, and a nozzle connected to a sewage inlet pipe; the blowing device includes a wheel and a A plurality of fan blades, the wheel disc is cylindrical and rotatably arranged in the first casing; the nozzle is arranged inside the wheel disc, and the plurality of fan blades are arranged on the inner wall of the wheel disc along the circumferential direction and arranged around the nozzle, There is a gap between the fan blade and the spray head; the first shell tube has a first shell plate forming its own inner wall, the first shell plate is a vibrating plate, and is located on the downstream side of the blowing device; the spray head is arranged towards the first shell plate, so that the spray head sprays The outgoing water hits the first shell plate.

The invention discloses a preparation method for special syrup for caramel treats. The preparation method comprises the following steps: (1) performing chromatographic separation, namely pumping glucose mother liquor discharged after separating crystal glucose into a chromatographic separation system, performing chromatographic separation to prepare glucose AD liquor and glucose BD liquor, and taking the glucose AD liquor as a raw material for preparing the special syrup for the caramel treats; (2) performing ion exchange; (3) concentrating; (4) isomerizing, namely pumping concentrated liquor prepared in the step (3) into an isomerizing front tank; (5) mixing, namely mixing an isomerized material with the glucose BD liquor prepared in the step (1) to prepare mixed liquor; (6) decolorizing and filtering; (7) performing ion exchange; (8) concentrating to prepare the special syrup for the caramel treats. The glucose BD liquor retains maltose in the BD liquor in a preparation process of the special syrup for the caramel treats, so that the syrup has an aroma of malt; in addition, the syrup contains part of oligosaccharides and has a healthcare effect of multiplying good bacteria in human intestinal tract.