39results about How to "Guaranteed interception effect" patented technology

The invention relates to a preparation method and applications in supported catalysts of a carrier type titanium dioxide ultrafiltration membrane. According to the preparation method, a ceramic membrane is used as the support body, the self-growing phenomenon of titanium dioxide particles at high temperature is utilized, a titanium dioxide ultrafiltration membrane layer with high flux and tortuosity is formed on the surface of the ceramic membrane support body through the interweaving of titanium dioxide nanorods and calcining, thus the tortuosity and loose degree of the membrane layer can be effectively increased; an enough space is provided for supporting catalysts on the basis of ensuring the retention capacity of the original ceramic membrane; and the overall functionalization of the ceramic membrane is realized, namely the ceramic membrane supporting of multiple catalysts is realized and the product can be used in the fields such as photocatalysis, catalytic ozonation, catalytic hydrogen peroxide oxidation and catalytic wet oxidation.

The invention discloses a self-adaptive ship-intercepting method. The method has the following advantages that: the method overcomes the problem that because buoys and intercepting cables can be pressed into water by ships in the past, the anti-collision intercepting facilities can fail; moreover, because buoys and intercepting nets normally horizontally float on the water surface and the lengths of the buoys and the intercepting nets do not have affection on the stability of the whole system, the lengths of both the buoys and the intercepting nets are not limited, thereby the intercepting effect is ensured, and moreover, when the intercepting system used in the method normally horizontally floats on the water surface, sight on the sea surface cannot be affected; in addition, the intercepting system used in the method has the advantages of low construction cost, high economical efficiency, long service life and convenient replacement and maintenance; and moreover, the method can be flexibly transported to different places for use, and can change the arrangement position of the intercepting system.

The invention relates to the technical field of access control design, An adjustable vehicle access control is disclosed, including the security gate box, A car stop lever comprises a connecting railconnected at one end to a safety guard road brake box, and an adjustable rail rod which is slidably connected with one end of the connecting rail, wherein the end of the connecting rail is far from the safety guard road brake box. A mounting bar is arranged on the connecting rail, the mounting bar is provided with a connecting groove for inserting after the upper side of the adjusting rail is moved, the upper side of the adjusting rail is provided with a rack embedded in the connecting groove, A sliding block is arranged on one side of the rack, a sliding groove for embedding the sliding blockis arranged on the inner wall of the connecting groove, a driving motor is arranged on the connecting rail, a gear meshed on the rack is connected on the output shaft of the driving motor, and a control device for driving the driving motor to rotate forward is also arranged on the connecting rail. The control device drives the gear to rotate so as to drive the rack to move, so that the adjustingrail can move toward the connecting groove, the length of the car stop rod is reduced, and small vehicles such as tricycles and the like can pass through the entrance guard.

The invention belongs to the technical field of organic solvent nanofiltration membrane separation, and particularly relates to a regular layered inorganic-material solvent-resistant nanofiltration composite membrane and a preparing method thereof. The composite membrane is a composite membrane prepared through vacuum filtration. The composite membrane shows higher nanofiltration performance thansolvent-resistant nanofiltration membranes prepared by traditional methods.

The invention discloses a refuse intercepting device for a wetland. The refuse intercepting device for the wetland comprises a base; positioning rods are arranged on the two sides of the base; fixingrods are arranged below the base; stones are arranged in the base; a conical head is arranged at the lower end of each positioning rod; auxiliary rods are arranged on each positioning rod in an inclined manner; a soft net is arranged above the base; a hard net is arranged above the soft net; a floating block is arranged above the hard net; floating rods are arranged on the two sides of the hard net and the floating block; a chute is formed in each positioning rod; each floating rod extends into the corresponding chute; a positioning block is arranged below each floating rod; an intercepting frame is arranged above the floating block; a frame is arranged on each of the two sides of the intercepting frame; and each frame is fixedly connected with the corresponding floating rod. According tothe refuse intercepting device for the wetland, the fixing capacity of the positioning rods can be enhanced by arranging the base and the fixing rods, so that the equipment can work stably in water.

The invention discloses a two-dimensional MXene-based oil-water separation membrane and a preparation method thereof, and belongs to the field of materials. The preparation method comprises the following steps: preparing T-ZIF-8 nanoparticles by a modification method of constructing a surface metal-phenolic aldehyde coating on the surface of ZIF-8 through TA; the method comprises the following steps: stripping MAX by using a LiF and HCl mixed solution to obtain a two-dimensional MXene material with a clear lamellar structure; the method comprises the following steps: ultrasonically mixing an MXene dispersion solution and a T-ZIF-8 dispersion solution, and constructing the T-ZIF-8-MXene composite membrane by using a CA membrane as a support layer in a vacuum filtration manner, and using the T-ZIF-8-MXene composite membrane for oil-water separation in industrial wastewater. According to the invention, the two materials T-ZIF-8 and MXene are creatively combined to construct the oil-water separation composite membrane with high permeation flux and strong pollution resistance, and the barrier that the MXene membrane can only be used for separating soluble small molecules is broken. The membrane is highly stable under complex chemical conditions, and has high treatment efficiency and recyclability, so that the purposes of reducing the industrial wastewater treatment cost and improving the treatment efficiency are achieved.

The invention discloses a computer image output device. The device comprises a drawing table, wherein a canvas is arranged at an outlet of the drawing table, a drying mechanism for air-drying ink on the surface of the canvas is arranged at the top of the drawing table, and the drying mechanism comprises an inflation pipe fitting. According to the computer image output device, a cleaning mechanism is adopted to purify air blown out by the drying mechanism, the air firstly enters an inner cover through a bottom hole, and the inner cover is pushed by air pressure to move upwards along with more and more airflow entering the inner cover and the internal pressure exceeding the pulling limit of a pressure storage spring, so connecting holes of the inner cover and an outer cover are in butt joint, and high-pressure air accumulated in the inner cover is instantly ejected through the connecting holes; a fan continuously conveys air, the air flushes into a cleaning solution through the small connecting holes, dust in the air is mixed with the cleaning solution, and the air turns into bubbles which emerge from a water surface and are used by the drying mechanism; and therefore, the blown air has small influence on a drawn pattern, and the bright color of the pattern is ensured.

The invention discloses a water injection filtering device for an oil field water injection well. The device comprises a filter disc and a mixing box, wherein the mixing box is fixed below the filterdisc and is communicated with the interior of the filter disc, the filter disc is cylindrical, a disc cover is arranged at the top of the filter disc, a water inlet pipeline is inserted into the disccover, the water inlet pipeline is communicated with the interior of the filter disc, the interior of the filter disc is provided with a double-layer structure comprising an outer ring groove and an inner transfer cavity, the outer ring groove is located outside the inner transfer cavity, and an annular partition wall is arranged between the outer ring groove and the inner transfer cavity. According to the device, the filter disc with the inner-outer double-cavity structure is arranged, and the impurities in water are intercepted through a plurality of filter screen plates in the filter disc,so that the flowing path of water is increased under the condition that the occupied area is not increased so as to ensure the intercepting effect, and when one filter screen plate needs to be disassembled and maintained, normal filtering work can be conducted through the other filter screen plates so as to ensure the continuous water injection work and improve the production efficiency.

The invention discloses an ecological intercepting technology of a source of pollution of urban and rural polluted water, and technology is used for solving the problem of intercepting exogenous pollution of opened polluted water and ecological repair problem of the polluted water. The technology comprises the following steps: (1) arranging two ecological intercepting walls of the source of pollution at the entrance of the source of pollution of a river along the length direction to form an intercepting area; (2) arranging ecological floating islands on both sides of the river in the intercepting area; (3) putting complex enzymes and compound microorganisms to the intercepting area so as to purify the water; (4) putting aquatic animals to the intercepting area so as to purify the water. The water quality is enhanced, the ecological environment of the water is improved, and meanwhile, the effect of optimizing landscapes is realized.

The invention relates to a medium filter for reclaimed water treatment in the field of urban sewage recycling. The medium filter comprises a filtering tank, a water inlet pipe, a water outlet pipe and a filtering medium, the filtering tank is provided with a pore plate upwards from the bottom by a certain distance, one end of the water inlet pipe extends into the filtering tank from the top of the filtering tank, and one end of the water outlet pipe is communicated with a drainage port formed in the bottom of the filtering tank and located below the pore plate; the water inlet pipe is provided with a filter water inlet; the water outlet pipe is provided with a filter water outlet; the filtering medium comprises an anthracite filtering layer, a quartz sand filtering layer and a gravel cushion layer, and the anthracite filtering layer, the quartz sand filtering layer and the gravel cushion layer are sequentially laid on the pore plate from top to bottom. Through the structural design of the tank body and the filtering layer, impurities such as colloids, BOD5 and COD in reclaimed water can be effectively removed, so that the water quality reaches the standards that suspended solids are less than 2mg/L, the turbidity is less than 2NTU and the reverse osmosis SDI is less than 4, and the requirements of water reclaiming devices such as back-end ultrafiltration, reverse osmosis and ion exchangers on the water quality of inlet water are met.

The invention relates to a pore plate grating system which comprises a rack for supporting and two groups of guide grooves for guiding rotation of a pore plate chain, wherein the two groups of guide grooves are oppositely arranged; a main shaft which is rotatably mounted on the rack, wherein the main shaft is provided with a chain wheel; the pore plate chain which comprises a plurality of pore plates and a plurality of rotating shafts, the two ends of each pore plate are rotatably connected to the two adjacent rotating shafts respectively, the pore plates jointly define an annular structure, and the two ends of each rotating shaft are movably restrained in the guide grooves respectively; a plurality of sealing parts are arranged at the two ends of the pore plate chain respectively, each sealing part is provided with a first matching surface, at least one side of each guide groove is provided with a second matching surface, and the first matching surfaces and the second matching surfaces are mutually staggered and matched to form dynamic sealing; according to the pore plate grating system, the sealing parts are arranged so that sewage can flow out of the pore plate chain only through the filtering holes of the pore plate, the capability of intercepting grating slag can be ensured, and the sewage treatment effect can be improved.

The invention discloses a coal water slurry purification pre-conversion furnace which comprises a furnace body, a scale collecting basket and a distribution basket, the scale collecting basket and thedistribution basket are arranged in the furnace body, an upper aluminum oxide ceramic ball layer is laid on the upper side of a pre-conversion protective agent layer in the furnace body, the scale collecting basket is placed on the upper aluminum oxide ceramic ball layer, a gap is formed between the scale collecting basket and the inner wall of the furnace body, and the distribution basket is arranged at the lower side of the scale collecting basket. The lower end of the distribution basket extends into the pre-conversion protective agent layer, and the projection of the scale collecting basket covers the distribution basket; the scale collecting basket is provided with a first gas flow channel and is filled with at least one of a strip-shaped pre-conversion protective agent and a secondaluminum oxide ceramic ball, and supporting legs are arranged at the lower part of the scale collecting basket; the distribution basket is provided with a second gas flow channel and is filled with athird aluminum oxide ceramic ball, and gas flow can enter the distribution basket through the space between the supporting legs of the scale collecting basket. By utilizing the pre-conversion furnace,the effective scale collection capacity of the pre-conversion furnace is greatly increased, the operation period of the pre-conversion furnace is prolonged, and the agent replacement frequency is reduced, so that the agent replacement cost and the operation risk of an enterprise are effectively reduced.