23results about How to "Change space" patented technology

The present application relates to the technical field of injectable gels, and specifically discloses an injectable cross-linked hyaluronic acid hydroxyapatite gel and a preparation method thereof. An injectable cross-linked hyaluronic acid hydroxyapatite gel comprises a modified sodium hyaluronate hydroxyapatite microsphere gel and a sodium hyaluronate hydroxyapatite microsphere mixed solution, wherein the raw materials of the modified sodium hyaluronate hydroxyapatite microsphere gel comprise the following components in parts by weight: 40 to 70 parts of hydroxyapatite microspheres, 1 to 3 parts of hyaluronic acid, 0.1 to 0.2 parts of a cross-linking agent, and 30 to 40 parts of a lidocaine solution; the raw materials of the sodium hyaluronate hydroxyapatite microsphere mixed solution comprise the following components in parts by weight: 15 to 25 parts of hydroxyapatite microspheres and 0.5 to 1.5 parts of sodium hyaluronate dry powder.

The invention discloses high-temperature and high-pressure filtrate reducer sulfonated asphalt for drilling fluid and a preparation method of the high-temperature and high-pressure filtrate reducer sulfonated asphalt, and belongs to the technical field of filtrate reducers. A comb-shaped side chain is introduced into a benzene ring of SEBS, the benzene ring is endowed with a comb-shaped structure, the structure strongly interacts with sulfonated asphalt, asphalt dispersion is optimized, agglomeration is avoided, 5-(2-hydroxyethyl) uracil is introduced, the oleophylic and hydrophilic characteristics are balanced, the acting force between asphalt particles is reduced, the reaction efficiency and uniformity of asphalt and fuming sulfuric acid are improved, and the sulfonated asphalt is prepared. The dispersant promotes uniform dispersion of asphalt, accelerates sulfonation reaction and improves sulfonated asphalt quality. The surface activity of the modified SEBS and the sulfonated asphalt form a net structure, so that the water solubility of the asphalt is enhanced, the drilling fluid is convenient to blend, the liquid surface tension is reduced, and the bubble formation condition is destroyed. A quaternary ammonium salt group is introduced, a well wall is stabilized by utilizing an opposite attraction principle, clay hydrophobicity is promoted, hydration and expansion are inhibited, and collapse is prevented. The modified sulfonated asphalt is resistant to temperature and pressure, good in filtration resistance and stable in filtration control at high temperature and high pressure.

The compartment with the adjustable internal space comprises a lower compartment body and an upper compartment body, the lower compartment body and the upper compartment body are adjusted through an adjusting structure, and the adjusting structure comprises an inserting plate, an inserting groove and a driving part; the inserting plate is installed on the upper carriage, the inserting groove is formed in the lower carriage, and the inserting plate is inserted into the inserting groove. The driving parts are installed in the lower carriage and the upper carriage, the number of the driving parts is two, the driving parts are symmetrically distributed on the two sides with the center line of the lower carriage as the center, and each driving part comprises a shell, an electric push rod and a lug plate; the shell is installed in the lower carriage, and the electric push rod is installed in the shell. The output end of the electric push rod drives the upper carriage to move upwards through the lug plate, at the moment, the inserting plate moves upwards in the inserting groove, the distance between the upper carriage and the lower carriage is made to move upwards by a certain distance, the space between the lower carriage and the upper carriage is substantially changed, and large-size goods can be contained.

The present invention relates to the technical field of garbage disposal, and specifically discloses a recycling and processing device for domestic garbage, comprising a fixed cylinder, a first movable plate movably mounted on the top of the fixed cylinder, a rotating rod movably mounted on the bottom of the first movable plate, an auxiliary mechanism provided on the rotating rod, and a second movable plate movably mounted inside the fixed cylinder. The present invention is provided with a second movable plate, a third movable plate and a rotating rod, and cans are shredded by a cutting blade, and then the shredded garbage is stirred, so that the moisture on the can fragments will fall downward, thereby increasing the subsequent processing effect of the device, and the moisture on the can fragments can be squeezed out by the first movable plate squeezing the can fragments, and the squeezed moisture can flow downward from the through hole, and then flow out from the water flow groove at the bottom of the fixed cylinder, so that the liquid inside the can can be discharged, thereby reducing the influence of the can liquid on the subsequent recycling and processing of the can.

The utility model discloses a cotton flow control device of a cotton yarn carding machine, which comprises a rack, a cotton conveying pipeline and a mounting plate, and a threaded rod is rotatably connected onto the rack. The control frame is driven by the threaded rod to move up and down in the cotton conveying pipeline, so that the space, capable of conveying cotton, in the cotton conveying pipeline is changed, the number of passing cotton flows is reduced through friction between the control frame and the inner wall of the cotton conveying pipeline, but the airflow conveying speed is not changed, and the carding machine at the rearmost end can obtain sufficient cotton. After the control frame ascends, the pressure plate descends relatively, the abutting block is extruded out of the control frame, the abutting plate on the abutting block pops up under the action of the first spring and abuts against the inner wall of the cotton conveying pipeline, and the higher the control frame moves upwards, the higher the pressure between the abutting plate and the inner wall of the cotton conveying pipeline is, the higher the pressure between the abutting plate and the inner wall of the cotton conveying pipeline is. Therefore, the purpose of protecting the control frame and the inner wall of the cotton carding pipeline attached to the control frame is achieved. The inclined plates, the telescopic rods and the sliding grooves are arranged, so that the inclined plates abut against the inner wall of the cotton conveying pipeline all the time to form inclined planes, and conveying of the cotton flow is facilitated.

The invention discloses a planar chiral [2.2] paracyclophane alkane monophosphine ligand pEPCP as well as a preparation method and application thereof, and relates to the technical field of chemical catalysis, the planar chiral [2.2] paracyclophane alkane monophosphine ligand pEPCP is characterized by comprising a racemate or an enantiomer, and the structural formula I of the monophosphine ligand pEPCP is as follows: # imgabs0 #. Different types of ether substituents are introduced into the structure of a unique large-steric-hindrance electron-rich rigid skeleton formed by connecting two benzene rings at para-positions through two ethylidene groups, so that the electron cloud density and steric hindrance of aromatic rings directly connected with phosphine ligands are changed. In addition, the ether substituent can also be used as a weak coordination group and participates in adjusting a dihedral angle of ligand chelation. The metal, the ligand and the substrate form the most appropriate coordination environment in the catalysis process, so that the corresponding catalytic reaction has the advantages of high reaction activity, good enantioselectivity, wide substrate universal application range and the like, is particularly suitable for asymmetric coupling reaction catalyzed by transition metal, and has economic practicability and industrial application prospects.

The utility model discloses a mariculture platform, and relates to the technical field of ocean engineering. The number of the control structures is four, the four platform frames are all arranged on the platform frames, each control structure comprises a fixing rod, a threaded sleeve and a main belt wheel, the bottom end of the outer wall of each fixing rod is fixedly embedded in the corresponding platform frame, the inner wall of each threaded sleeve is rotationally arranged on the corresponding fixing rod in a sleeving mode, and the bottom end of the outer wall of each threaded sleeve is rotationally embedded in the corresponding platform frame; the inner wall of the main belt wheel is fixedly arranged on the threaded sleeve in a sleeving mode, the outer wall of the main belt wheel is rotationally embedded in the platform frame, and the lifting structure is arranged on the threaded sleeve. The height of the net frame can be controlled through a fixing rod, a threaded sleeve and a main belt wheel, so that the breeding space is changed, fish school gathering is avoided, meanwhile, fish schools can be collected, and the bred fish schools can be conveniently collected.

The utility model provides a sintering high-temperature furnace for electronic ceramics, which relates to the technical field of electronic ceramics and comprises a lifting mechanism, and a cooling mechanism is fixedly mounted on one side of the outer wall of the lifting mechanism. According to the device, two positive and negative motors are started through a controller, the other ends of two threaded rods rotate in two second transverse plates, and four L-shaped sliding blocks fixedly mounted at the bottom of a placement plate are movably embedded in four limiting grooves, so that the placement plate stably moves on the two threaded rods; the size of the space between the placing plate and the sintering furnace body is adjusted so that ceramic materials of different sizes can be subjected to high-temperature sintering treatment in the sintering furnace body, the practicability of the sintering high-temperature furnace is improved, and then the using effect of the sintering high-temperature furnace for electronic ceramics is improved.

The invention discloses an extruder for plastic master batch production, and relates to the technical field of plastic molding, the extruder comprises a supporting and mounting mechanism, and also comprises a mixing and melting mechanism mounted on the supporting and mounting mechanism; the discharging mechanism is mounted on the supporting and mounting mechanism and communicates with the mixing and melting mechanism; the internal space of the material storage box is changed by installing the first adjusting mechanism, the second adjusting mechanism is installed to adjust the number of the discharging holes and reduce the discharging amount, the first adjusting mechanism and the second adjusting mechanism adapt to the feeding speed of the material mixing and melting mechanism, the pressure of internal plastic melt is compensated, the internal pressure is kept stable, and the stability of the material mixing and melting mechanism is improved. And when the material supply amount is continuously insufficient, the discharging amount and the material storage space are changed at the same time, the pressure stability is guaranteed while the material supply waiting time is prolonged, and the discharging speed and the forming density are guaranteed.

This invention discloses a fully automatic PTC heater surface spraying device, including a worktable. A moving module is installed on the top of the worktable, and the output end of the moving module is connected to a material picking module. The material picking module is used to pick up, transfer, and adjust the position of the material to be sprayed. Two sets of baffles are installed on the top of the worktable, forming a spraying space between the two sets of baffles. The material picking module can move the material to be sprayed into this spraying space. This invention belongs to the technical field of heater production equipment. The technical effect achieved is as follows: by setting a work chamber composed of two fixed covers and two relatively movable frames, and cooperating with the bidirectional moving module, after the material picking module moves the material to be sprayed to the spraying station, it can automatically close to form a closed spraying environment. This closed structure, in conjunction with the holes opened on the baffles, ensures that the paint sprayed from the spray gun head can only be accurately coated on a specific area of ​​the material through the holes, effectively preventing the paint from atomizing and escaping outward.

The utility model discloses a full-nutrition culture medium raw material screening device, which relates to the technical field of full-nutrition culture medium raw material screening devices and comprises a screening box, a connecting frame is arranged on the left side of the screening box, a feeding port is arranged at the upper end of the screening box, a guide frame is arranged on the right side of the screening box, and a first motor is arranged at the upper end of the guide frame. A built-in auger shaft is arranged at the lower end of the first motor, two feeding and discharging ports are formed in the left side of the guide frame, two channels are symmetrically arranged on the outer surface of the right side of the screening box, and a driven gear is arranged between the two channels. According to the full-nutrition culture medium raw material screening device, unqualified materials at the upper end of the filter screen can be pushed to the guide frame through the push plate, so that the unqualified materials can be guided to the upper end of the cutting rod and wait for being cut again by the cutting rod, and the situation that a user needs to manually clean the materials which cannot be screened at the upper end of the filter screen is avoided; and the materials are cut and screened again, so that the burden of a user is reduced.

A mobile modular housing system includes a base plate system, a roof frame system, a wall frame system, a roof system, and assembly kits. The wall frame system is vertically installed on the outer side of the base plate system, the roof frame system is installed at the upper end of the wall frame system, the roof system is installed between the roof frame systems, and the assembly kits cover the wall frame system and the roof frame system. The housing designed by this invention can be easily moved, its internal space can be freely combined and can be quickly installed, and its comfort and applicability are significantly better than existing temporary buildings.

The utility model relates to frozen equipment technical field, concretely relates to a turnover vacuum precooling device, including the freezing storehouse, the left side rotation of freezing storehouse is connected with the door plant, the front end fixed connection of freezing storehouse has the control panel, the upper end of freezing storehouse is equipped with the freezing assembly, the inside of freezing storehouse is equipped with the space change mechanism, the space change mechanism includes the hydraulic rod fixed connection in the right side of freezing storehouse, a plurality of the output fixed connection of hydraulic rod has the moving plate, the inside fixed connection of moving plate has the cylinder, the left side of cylinder is equipped with the round hole, through the air pressure reduction of freezing storehouse inside, make piston block drive support rod, and then make rubber block can closely with the inner wall of freezing storehouse and adhere, can improve the friction of moving plate and freezing storehouse, make moving plate be in stable state, can improve the sealing between moving plate and freezing storehouse simultaneously, change the space of freezing storehouse working cavity, and then the refrigeration efficiency is higher.

The utility model discloses a triple box device for desulfurization wastewater treatment, which belongs to the technical field of triple boxes and comprises three box bodies, the three box bodies are respectively a neutralization box, a settling box and a flocculation box, a connecting block is connected between every two box bodies, and the two connecting blocks are respectively communicated with the two connected box bodies in a penetrating manner. A measuring hopper is arranged on one side of each box body, a groove is formed in the bottom face of each measuring hopper, a containing box matched with the groove in a sliding mode is arranged in an inner cavity of the groove, a connecting pipe is connected to the bottom face of each containing box, the free end of each connecting pipe is connected to the circumferential side of the corresponding box body, a transverse plate is transversely and fixedly arranged on the inner side wall of each measuring hopper, and a through groove allowing medicine to penetrate is formed in the top face of each transverse plate in a penetrating mode. A transverse groove is formed in one side wall of the through groove and communicated with the through groove in a penetrating mode, and matched limiting plates are arranged in an inner cavity of the through groove and an inner cavity of the transverse groove. According to the triple box device for desulfurization wastewater treatment, the problem that too much or too little chemicals are easy to put when the chemicals are put is solved, so that the wastewater treatment effect is improved.

The utility model discloses a high-temperature steam cleaning machine which comprises a water tank, a water pumping pipe is arranged in the water tank, the top end of the water pumping pipe is connected with a water pump, the output end of the water pump is connected with an input pipe, the top end of the input pipe is connected with a steam generating device, and the output end of the steam generating device is connected with an output pipe. A spray gun is arranged at the top end of the output pipe, and an adjusting mechanism is arranged between the output pipe and the spray gun and comprises a connecting sleeve, a rotating sleeve, a connecting pipe, a matching sleeve, a screw rod, a connecting frame, a flow blocking piece, a guide groove, a supporting plate, a guide block and a limiting mechanism. The steam output quantity can be accurately adjusted between the spray gun and the output pipe through cooperation of a connecting sleeve, a rotating sleeve, a connecting pipe, a matching sleeve, a screw rod, a connecting frame, a flow blocking piece, a guide groove, a supporting plate, a guide block and other components.

The present application belongs to the field of environmental protection, and relates to a preparation method and application of a bimetallic single atom / attapulgite composite catalyst material. The present application first modifies attapulgite by using hydrogen peroxide, then weighs and ultrasonically dissolves palladium salt and transition metal salt in ethylene glycol solution, mixes the modified attapulgite with the palladium salt and transition metal salt solution, and uniformly stirs to obtain a mixed solution; the mixed solution is transferred to a reaction kettle for microwave solvothermal reaction, and finally transferred to a muffle furnace for calcination and grinding to obtain a PdM / ATP bimetallic single atom catalyst. The PdM / ATP bimetallic single atom catalyst prepared by the present application is uniformly loaded, which not only overcomes the low atom utilization rate of traditional Pd catalysts, but also overcomes the shortcomings of complex preparation and processing technology and high cost of single atom catalyst carriers, and has a good promoting effect on the catalytic oxidation of VOCs.

The utility model discloses a cavity convenient for equipment installation, which belongs to the technical field of cavities, and comprises a cavity and a second belt pulley, the top surface of the cavity is fixedly connected with an installation plate, one side of the installation plate is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a first belt pulley, the outer wall of the first belt pulley is in sliding connection with a belt, and the second belt pulley is fixedly connected with a second belt pulley. The outer wall of the second belt wheel is in sliding connection with the belt; according to the utility model, the baffles are arranged inside, in the process of installing equipment, when the space in the cavity is relatively small, the bolts are screwed off to separate the corner connectors from the baffles and the cavity, and the round rods are drawn out from the space between the baffles, so that the baffles are taken out, and through the design, the change of the space in the cavity is realized; through the detachable baffle plate, the space in the cavity can be changed, so that proper space can be provided for different devices, and the installation difficulty is reduced.

The invention belongs to the technical field of photoelectric detection, and discloses a photoelectric device used for intra-sensory reservoir calculation and a preparation method thereof.The photoelectric device used for intra-sensory reservoir calculation comprises a substrate, a drain electrode is arranged on the substrate, polymer semiconductor layers are arranged on the drain electrode, the drain electrode and the substrate, a source electrode and a grid electrode are arranged on the polymer semiconductor layers, and the source electrode and the grid electrode are arranged on the substrate. Electrolyte is arranged on the source electrode, the grid electrode and the polymer semiconductor layer; and the polymer semiconductor layer is made of an organic mixed ion-electron conductor material. According to the photoelectric device provided by the invention, the dynamic response range of the device can be regulated and controlled by utilizing the grid voltage, and the device shows the reconfigurable nonlinear relaxation characteristic dependent on the grid voltage, so that the sensing, memorizing and in-situ preprocessing functions of optical signals can be realized, and the photoelectric device can be widely applied to the field of edge artificial vision systems.

The invention discloses packaging metering lifting equipment and a lifting method for washing powder packaging, and relates to the field of lifting equipment.The packaging metering lifting equipment comprises a lifting shell, a lifting conveying belt is arranged in the lifting shell, a plurality of lifting assemblies are arranged on the lifting conveying belt, each lifting assembly comprises a lifting frame and an adjusting frame, and the adjusting frames are arranged in the lifting frames in a sliding fit mode; an adjusting assembly is arranged in the lifting shell and comprises an adjusting gear ring and a plurality of adjusting units, the adjusting units are arranged on the corresponding lifting assemblies respectively, and each adjusting unit comprises an adjusting gear. The raw materials are conveniently weighed, increased and decreased, the packaging efficiency of the raw materials is improved, the weights of the raw materials in the adjusting frames and the lifting frames are more accurate, the weights of the raw materials in the multiple adjusting frames and the multiple lifting frames are more consistent, the increasing and decreasing amount of the raw materials after follow-up weighing is reduced, the efficiency is improved, the lifted raw material weight is adjusted, packaging of the raw materials of different weights is met, and adaptability is higher.

The utility model provides an efficient compressed air precision filter and belongs to the technical field of filters. The efficient compressed air precision filter comprises a filter body, a compression mechanism and a flow limiting mechanism, the filter body comprises a filter cartridge, a pair of connecting grooves are formed in the outer side of the filter cartridge, an air inlet pipe and an air outlet pipe are installed in the connecting grooves respectively, flanges are installed at the free ends of the air inlet pipe and the air outlet pipe, and the flow limiting mechanism comprises a connecting plate. The connecting plate is installed in the air inlet pipe, the connecting cover is installed in the air inlet pipe, a groove is formed in one end of the connecting cover, a circular-truncated-cone-shaped groove is formed in the other end of the connecting cover, the groove is connected with the small-radius end of the circular-truncated-cone-shaped groove, a baffle is arranged in the circular-truncated-cone-shaped groove in a sliding mode, and the side face of the baffle is attached to the groove. According to the technical scheme, through the use of the flow limiting mechanism, airflow backflow can be prevented, pressurized gas can be smoothly filtered, and the gas filtering effect is improved.

This utility model relates to the field of respiratory rehabilitation technology and discloses a respiratory rehabilitation auxiliary training device. It includes a mouthpiece installed at one end of a first tube, a second tube threadedly connected to the end of the first tube away from the mouthpiece, a rotating disk threadedly connected to the bottom of the second tube, a retaining ring fixedly connected to the inner wall of the first tube, and an adjustment component installed inside the first tube for cooperating with the retaining ring to adjust gas flow. This utility model, through the setting of the adjustment component, rotates the mouthpiece, causing the connecting frame and rotating ring to rotate, thereby driving the screw to rotate and moving the circular plate. This changes the gap between the circular plate and the inner wall of the first tube after gas diversion, thus altering the gas flow resistance and achieving different levels of respiratory training.

The invention discloses a methyl tert-butyl ether high-efficiency separation and purification system which mainly comprises a reaction kettle, openings are formed in the upper portion and the lower portion of the reaction kettle, a top cover used for sealing is installed on the upper portion of the reaction kettle, and a bottom cover which can move up and down in a reciprocating mode and is used for sealing is installed in the lower portion of the reaction kettle. And a baffle plate is rotationally mounted at the middle position in the reaction kettle. The reaction kettle has the advantages that the reaction kettle is used as an equipment main body, the baffle capable of freely rotating is mounted in the reaction kettle, the heating plate capable of reciprocating up and down is mounted below the baffle, and the heating plate is obliquely arranged, so that a solution is uniformly heated by the heating plate and can be stirred through rotation of the baffle and up-down movement of the heating plate; the heating efficiency and the separation rate of the methyl tert-butyl ether are improved, the bottom cover capable of moving up and down in a reciprocating mode is installed below the reaction kettle, the space in the reaction kettle can be changed through vertical movement of the bottom cover, the effect of pressurizing the interior of the kettle can be achieved, and the separation condition of the methyl tert-butyl ether is met.

The invention discloses an extruder for producing plastic masterbatch, and relates to the technical field of plastic molding. The extruder comprises a supporting and mounting mechanism, and further comprises: a mixing melt mechanism, which is mounted on the supporting and mounting mechanism; and a feeding mechanism, which is mounted on the supporting and mounting mechanism and is connected with the mixing melt mechanism. The invention changes the internal space of a storage box by installing an adjusting mechanism 1, and adjusts the number of discharge holes by installing an adjusting mechanism 2, so as to reduce the discharge amount. The adjusting mechanism 1 and the adjusting mechanism 2 adapt to the feeding speed of the mixing melt mechanism, and compensate for the internal plastic melt pressure, so as to keep the internal pressure stable, thereby ensuring the discharge speed and density uniformity of the discharge holes, and when the material supply is continuously insufficient, the discharge amount and the storage space are changed at the same time, and the pressure stability is ensured when the feeding waiting time is extended, and the discharge speed and the molding density are ensured.