1043results about How to "Improve airtightness" patented technology

The invention provides a process for preparing various nutritional ingredients from oats, and relates to the technical field of deep processing of oats. The process comprises the following steps: crushing and sieving oats to obtain oat bran; the method comprises the following steps: extracting oat bran through a supercritical extraction technology to obtain pretreated oat bran and an extract, and carrying out gradient membrane treatment and membrane ultrafiltration on the extract to obtain oat oil; extracting the pretreated oat bran through continuous sectional extraction equipment; after first-stage protein extraction, second-stage dextran extraction, third-stage immobilized enzymolysis and fourth-stage filler decoloration, the materials enter a system balance tank, and membrane separation and concentration are performed to obtain the oat beta-dextran. According to the invention, various nutrient substances such as oat beta-glucan, oat protein, oat oil and the like can be extracted at the same time, the defects in the prior art are overcome, the automation degree is high, and energy conservation and emission reduction are realized.

The invention belongs to the technical field of cable processing, and particularly relates to cable processing equipment which is characterized in that a first supporting frame and a second supporting frame are rotationally connected with a first wrapping ring and a second wrapping ring respectively, the first supporting frame is provided with a positive driving wheel meshed with the first wrapping ring, and the second supporting frame is provided with a negative driving wheel and a negative synchronizing wheel meshed with the negative driving wheel; the reverse driving wheel is meshed with the second wrapping ring, the transmission ratio of the reverse driving wheel to the second wrapping ring is equal to the transmission ratio of the first wrapping ring to the positive driving wheel, and a driving device is arranged between the first supporting frame and the second supporting frame and connected with a controller. The output end of the driving device penetrates through the first supporting frame and the second supporting frame to be connected with the positive driving wheel and the negative driving wheel, and a wire guiding device is further arranged between the first supporting frame and the second supporting frame. And the problems of easy generation of gaps and high consumption of the wrapping tape in the same-direction multi-layer wrapping are reduced.

The invention discloses a buoyancy pipe penetrating construction method, which is characterized in that a water source is used as a medium between an outer sleeve and an inner penetrating pipe, so that the smoothness of the construction process is ensured, and an inlet hole water stopping device and an outlet hole water stopping device are respectively arranged at two ends of the outer sleeve and are used as a sealing system of the water source. In addition, a limiting device, a limiting roller and an anti-collision roller are installed at the position of the inlet hole, the inner wall of the outer sleeve and the end of the inner penetrating pipe respectively. And finally, the inner penetrating pipe is smoothly pushed into the outer sleeve under the action of buoyancy. The problems that in a traditional roller launching method, a method for installing trundles on the outer wall of a pipeline and a pulley block propelling method, the roller structural strength is insufficient, durability is poor, and an outer anticorrosive coating of the pipeline is prone to being damaged are effectively solved, and the method is particularly suitable for large-diameter and long-distance inner penetrating pipe construction with the high requirement for finished product protection; and the method has good economical efficiency and implementation effect.

The utility model discloses a cleaning assembly for cleaning a feeding and discharging mechanical arm of a laser cutting machine, and the mechanical arm comprises a suction cup arm, a suction cup seat connected to the suction cup arm and suction cups distributed on the suction cup seat at intervals, the cleaning assembly comprises an assembly base and cleaning units installed on the assembly base at intervals, and each cleaning unit is composed of a motor, a motor output shaft perpendicularly connected to the motor, a cleaning brush installation shaft coaxially installed with the motor output shaft and a cleaning brush installed on the cleaning brush installation shaft. The motor is fixed on the assembly base through a motor mounting plate and a bolt, the cleaning brush mounting shaft is cylindrical, a plurality of convex blocks are arranged at one end, close to the brush head, of the cleaning brush mounting shaft, the convex blocks are symmetrically arranged along the axis of the cleaning brush mounting shaft, through holes are formed in the mounting shaft at the convex blocks along the vertical axis, and spring pins are arranged in the through holes. The cleaning assembly disclosed by the utility model can be used for quickly cleaning sundries on the sucking disc and prolonging the service life of the sucking disc.

The invention discloses a spraying device for grassland ecological soil remediation in the technical field of ecological remediation. The spraying device comprises a vehicle body, a storage assembly is installed at the top end of the vehicle body, a lifting cavity is formed in the vehicle body, a lifting assembly is arranged in the lifting cavity, a supporting plate is fixedly connected to the bottom of the lifting assembly, and a plurality of spraying assemblies are linearly arrayed at the bottom of the supporting plate; a pump assembly is arranged in the vehicle body; the spraying assembly and the storage assembly are both communicated with the pump assembly; and each spraying assembly comprises a rotating hole column fixedly connected to the bottom of the supporting plate, a spraying ring is annularly arranged on the surface of each rotating hole column, a plurality of spraying openings communicating with the storage assembly are formed in the bottom of each spraying ring, and a plurality of injection assemblies are arranged in each rotating hole column. Through cooperative assistance of the lifting assembly, the spraying assembly and the injection assembly, when the grassland surface soil is hard, spraying remediation can be conducted on the grassland soil surface, meanwhile, injection of liquid medicine can be completed by going deep into the grassland soil, and the ecological remediation effect of the grassland soil is improved.

The utility model discloses cigarette packaging paper. The cigarette packaging paper comprises an inner part, an outer part, a release layer (105) and an adhesive sticker layer (106), wherein the release layer (105) and the adhesive sticker layer (106) are arranged between the inner part and the outer part; the outer part sequentially comprises an outer PE (polyethylene) lamination layer (101), an outer paper layer (102), an outer composite adhesive layer (103) and an outer PET (polyethylene terephthalate) layer (104); the inner part sequentially comprises an inner PET layer (107), an inner composite adhesive layer (108), an inner paper layer (109) and an inner PE lamination layer (110); the release layer (105) is close to the outer PET layer (104), and the adhesive sticker layer (106) is close to the inner PET layer (107). According to the utility model, the outer PE lamination layer and the inner PE lamination layer are respectively laminated on the outermost layer and the innermost layer of the packaging paper to form the double-sided laminated paper, so that the leakproofness and the barrier property of the paper are effectively improved. The pressure relief device is arranged at the bottom of the packaging box, so that the problem that the whole packaging box swells due to the fact that the sealing performance of the packaging box is improved is solved.

The invention provides a C-shaped composite wave-absorbing structure and a preparation method thereof, and belongs to the technical field of wave-absorbing materials.The preparation method of the C-shaped composite wave-absorbing structure comprises the steps that S1, according to the performance requirement of the C-shaped composite wave-absorbing structure, a carbon fiber prepreg, a wave-absorbing prepreg and a wave-transmitting prepreg are laid, and the laid prepreg is obtained; s2, a pressure equalizing plate is laid on the outer side of the laid prepreg, then first curing forming is carried out, a demolding material is removed, and a carbon fiber layer, a wave absorbing layer and a wave transmitting layer are obtained; a demolding material is laid between the laid prepreg and the pressure equalizing plate; and S3, sequentially compounding the carbon fiber layer, the wave absorbing layer and the wave transparent layer to obtain the C-shaped composite wave absorbing structure. According to the preparation method of the C-shaped composite wave-absorbing structure, the appearance deformation amount of the wave-absorbing structure in the forming process can be effectively controlled, the forming precision is high, and the preparation method can be used for preparing large complex wave-absorbing structures and has good application prospects.

The utility model provides a lithium battery material deironing machine, relates to deironing equipment technical field, including device body, a plurality of magnetic bar and drive mechanism, the inside of device body is provided with work chamber, work chamber passes through vertically set division plate and forms adsorption area and deironing area, on the division plate is provided with a plurality of first through-hole, a plurality of second through holes are formed in the two side faces, parallel to the partition plate, of the device body, magnetic bar scraping rings are arranged in the second through holes, the second through holes correspond to the first through holes one to one, a feeding port is formed in the top of the device body, and a discharging port and an iron discharging port are formed in the bottom of the device body. The adsorption area is communicated with the feeding port and the discharging port, the iron removing area is communicated with the iron discharging port, the multiple magnetic bars penetrate through the first through hole and the second through hole, and the driving mechanism drives the multiple magnetic bars to do reciprocating motion in the working cavity in the axial direction of the magnetic bars. According to the utility model, scrap iron adsorbed on the magnetic bar can be automatically removed, and the working efficiency is improved.

The present invention relates to a mine plugging method and structure thereof, which uses roughening and grooving of cave walls, brickwork, temporary water diversion, clay filling, and concrete plugging of wellheads to plug the mine. The present invention sets a clay filling section before the concrete plugging section, and performs interval grooving around the cave wall of the set clay filling section, which can ensure that the filled clay is completely combined with the cave wall to prevent water seepage; to ensure that the clay filling is dense, brickwork is set at both ends of the clay filling section, and the brickwork is tightly attached to the cave wall to prevent seepage. The technical solution of the present invention is safe, reliable, efficient, and fast, and complies with relevant national technical specifications, greatly improving the airtightness and firmness of the plugging of mine water gushing, and eliminating the environmental pollution risk of abandoned mine water gushing.

The invention discloses a low-permeability coal seam gas efficient extraction device and extraction method, and relates to the technical field of gas extraction, the low-permeability coal seam gas efficient extraction device comprises a drilling well and further comprises an adjusting device, a sealing plate is fixedly installed on the inner wall of the drilling well, an extraction pipeline fixedly penetrates through the upper wall and the lower wall of the sealing plate, and extraction equipment is arranged at the top of the extraction pipeline; a moving pipe is slidably mounted on the inner wall of the extraction equipment, the adjusting device comprises an adjusting groove, a U-shaped frame, an adjusting rod, a moving ring, an adjusting hole, a placing groove, a cambered surface block, a cambered surface plate and a linkage plate, the moving pipe moves downwards to drive the moving ring to move downwards, and the moving ring moves downwards to scrape the inner wall of a drilling well so as to damage a microscopic coal seam structure of the inner wall of the drilling well. By scratching the coal seam surfaces with different depths, the microstructure of the coal seam can be destroyed, cracks of the coal seam are increased, and therefore the gas extraction efficiency is improved.

The invention discloses a reaction kettle with multiple locking structures and a use method of the reaction kettle, and belongs to the technical field of reaction kettles, multiple groups of discharging cavities are formed in the outer wall of a kettle body, flashboards for opening and closing the discharging cavities are arranged in a shrinkage cavity in a sliding manner, and a gear ring is rotationally arranged in a communication cavity; a plurality of groups of swing cavities communicated with the mounting groove are further formed in the kettle body, annular grooves are formed in the tops of the swing cavities, and a plurality of groups of insertion blocks matched with the insertion holes are fixedly arranged at the bottom of the kettle cover; the top of the gear ring is fixedly connected with multiple sets of connecting columns, and the tops of the connecting columns are connected with a linkage ring arranged in the annular groove. An arc-shaped cavity is formed in the inserting block, and a plurality of sets of locking arc plates matched with the arc-shaped cavity are fixedly arranged at the top of the linkage ring; a plurality of groups of heating rods are arranged on the inner wall of the kettle body, and a temperature control panel is also arranged on the outer wall of the kettle body. Opening and closing of the discharging cavity and locking and unlocking of the kettle cover can be synchronously achieved through the gear ring and the gate plate, the structure is stable and effective, and the treatment efficiency and the sealing effect of the reaction kettle are also improved.

The present invention relates to the field of cable terminals, and in particular to a cold shrink cable terminal, comprising a terminal shell, both ends of which are open, and cables are inserted into the openings, and characterized in that two groups of fixing rods are fixedly installed inside the terminal shell, and two groups of symmetrically arranged sealing components are slidably arranged at the fixing rods, and tubular sealed air bags are connected between the sealed components to preliminarily block the gaps between the cables. In normal temperature weather, the present invention effectively seals the cable connection through the sealed air bags, and after the temperature reduction treatment, the sealed air bags affected by the cold shrinkage drive the sealed components to move, thereby sealing the internal space, and can effectively divert rainwater to avoid affecting the internal cables.

The invention provides a pipe fitting connector locking structure which comprises a fixing sleeve, limiting clamping rings are installed at the two ends of the fixing sleeve correspondingly, locking rails are installed on the two limiting clamping rings correspondingly, positioning grooves are formed in the two limiting clamping rings correspondingly, adjusting plates are installed in the positioning grooves, the locking rails are located on the rear sides of the adjusting plates, and the locking rails are located on the rear sides of the adjusting plates. A locking rail is installed on the rear side of the adjusting plate and located on the outer side of the positioning groove, a locking structure is installed on the rear side of the adjusting plate and located in the locking rail, a plurality of clamping plates are installed in the limiting clamping ring, adjusting pieces are installed on the clamping plates, and a sealing structure is installed in the fixing sleeve. The fixing sleeve has the following beneficial effects that the calibers of the two ends of the fixing sleeve can be conveniently adjusted according to the calibers of the pipe fitting connectors, and the adaptation degree between the fixing sleeve and the pipe fitting connectors is improved.

The utility model relates to an air tightness and waterproof reinforcing structure for an ultra-low energy consumption building formwork-removal-free outer wall through-wall pipeline, which comprises a through-wall sleeve and an inverted conical silica gel sleeve, the through-wall sleeve penetrates through a wall body, the size of a pipe hole of the through-wall sleeve is matched with the outer diameter of the pipeline, and the inverted conical silica gel sleeve is arranged in the through-wall sleeve. Two ends of the wall bushing are respectively provided with an inverted conical silica gel sleeve, each inverted conical silica gel sleeve is provided with an inner hole, the pipeline is arranged in the wall bushing in a penetrating manner, and two sides of the pipeline are limited by the inverted conical silica gel sleeves to form a high-inside low-outside direction from inside to outside from a wall body. The utility model has the advantages that the airtight type, the heat preservation property and the waterproof property between the pipeline and the wall bushing can meet the technical requirements, and meanwhile, the pipeline can adapt to the influence of more external factors; the method has a reliable prevention and treatment effect, ensures that the through-wall pipeline is free of air leakage and leakage, and is good in heat preservation, high in deformation resistance, few in construction procedures, convenient to construct, good in quality and capable of saving manpower and material resources.

The invention discloses a nucleic acid detection card box, detection equipment and a detection method, and relates to the technical field of nucleic acid detection. A housing; a table; the magnetic attraction assembly is arranged on the workbench and used for attracting the magnetic beads into the pipettor; a rotating assembly; a pipetting assembly; and the lifting assembly is used for driving the pipetting assembly to lift, so that the pipetting assembly is communicated with or disconnected from the pipettor. The card box comprises a card box upper split body; the lower card box split body is rotationally connected with the upper card box split body, a plurality of detection grooves are formed in the lower card box split body, and magnetic beads are arranged in the detection grooves; the invention discloses a pipettor. In the whole process of transferring the solution by the pipettor, the magnetic beads are attracted by the magnetic attraction assembly in the detection equipment, and air flow is increased through the blowing and attraction action of the pipettor, so that residual liquid in the magnetic beads or other impurities influencing PCR (Polymerase Chain Reaction) can be removed as much as possible, the extracted nucleic acid has fewer impurities compared with the conventional extracted nucleic acid, and the amplification effect is better.

The utility model provides a pipe roofing steel pipe locking device which comprises a first pipe roofing steel pipe, a second pipe roofing steel pipe and a water stop grouting locking device. The male lock catch and the female lock catch are externally welded to connect the two pipe roofing steel pipes to form a unified whole, so that the bearing capacity of the pipe roofing is improved, and the danger in the construction process is reduced. The two lock catches adopt arc sections with different radiuses, a certain gap is reserved between the two lock catches, the first pipe-roofing steel pipe and the second pipe-roofing steel pipe are tightly connected together, the stability of the pipe-roofing structure is improved, angle adjustment between the pipe-roofing steel pipes can be achieved by adjusting the lengths of the upper end and the lower end of the female lock catch, pipe roofs of different forms are formed on the premise that the overall stability of the supporting structure is not affected, and the supporting structure is more stable. The construction is simpler and more convenient, the soil body between the pipe roofing structures is reinforced by externally welding the grouting pipes and after grouting, soil body collapse during construction is prevented, the overall leakproofness of the pipe roofing structures is improved, and the stable and continuous waterproof curtain is formed by arranging the grouting holes and the grouting pipes inside and outside and conducting grouting in multiple times.

The utility model relates to the technical field of prefabricated laminated slabs, in particular to a high-efficiency water-stopping prefabricated laminated slab, which comprises a limiting groove, an inserting strip and a waterproof strip, and has the beneficial effects that the limiting groove is arranged, so that the laminated slab is connected with the next laminated slab in an inserting manner through the limiting groove and a limiting wedge; the bottom ends of the laminated slabs are provided with inserting grooves which are connected with inserting strips in an inserting mode, T-shaped blocks at the bottom ends of clamping blocks are connected with T-shaped grooves in the upper ends of the inserting strips in a sliding and clamping mode, the inserting strips are prevented from sliding, the two sets of prefabricated laminated slabs are fixedly connected, the stability of the connecting positions of the upper ends and the lower ends of the prefabricated laminated slabs is improved, and the practicability of the prefabricated laminated slabs is improved. Lifting lugs are arranged so that a crane can conduct lifting conveniently, waterproof strips and sealing strips are arranged, the leakproofness of the joint of the two adjacent prefabricated laminated slabs is improved, water seepage at the joint of the two adjacent prefabricated laminated slabs is avoided, the water stopping effect of the prefabricated laminated slabs is improved, drying holes are filled with drying agents, and the drying effect of the prefabricated laminated slabs is improved. And the damp-proof effect of the prefabricated laminated slab is improved.

The utility model relates to a sampling device for plant extract detection, which comprises a water suction pump, a hose and a shunt storage component, the hose is connected to the suction end of the water suction pump, and the shunt storage component is mounted at the output end of the water suction pump; the split-flow storage assembly comprises a multi-way water pipe and a plurality of reagent bottles, the input end of the multi-way water pipe is installed at the output end of the water suction pump, the reagent bottles are installed at a plurality of water outlet holes of the multi-way water pipe, and water valves are installed at a plurality of water outlets of the multi-way water pipe. According to the sampling device for detecting the plant extracting solution, the water pump is used for extracting the plant extracting solution, a longer hose can go deep into different depths of the storage device, the plant extracting solution flows into each reagent bottle through a flow dividing pipe after being extracted from the water pump, and the flow dividing pipe is used for dividing the plant extracting solution at each height; the plant extracting solution sampling device is simple in structure, easy to operate, small in size and convenient to carry.

The invention discloses a steel casting pouring protection device, which belongs to the technical field of steel ladle pouring equipment and comprises a steel ladle with a pouring hole in the bottom. The moving plate is provided with a water outlet pipe and is connected with a driving assembly for driving the moving plate to move between a first position and a second position; at the first position, the movable plate blocks the pouring hole; at the second position, the pouring hole is communicated with the water outlet pipe, and the lower end of the water outlet pipe is positioned right above the pouring cup; the first protection plate is fixed on the movable plate; the first protection plate separates the moving plate and the driving assembly from the lower end of the water outlet pipe and the sprue cup; the argon protection ring is positioned between the first protection plate and the pouring cup; a plurality of gas outlet holes and a gas inlet pipeline are arranged on the argon protection ring; the first protection plate not only can block the moving plate and the driving assembly from the lower end of the water outlet pipe and the pouring cup to prevent molten steel from influencing the driving assembly, but also can be matched with an argon protection ring to improve the sealing performance during molten steel pouring, and the molten steel is prevented from being oxidized when making contact with air.

The utility model discloses a rotary separator which comprises a lower shell and an upper shell, openings are formed in the upper end and the lower end of the lower shell, a star-shaped discharging plate is rotationally connected into the lower shell, a feeding port is formed in the top of the upper shell, an air outlet is formed in the side edge of the upper shell, a feeding channel communicated with the feeding port is formed in the lower shell, and filter screens are arranged on the two sides of the feeding channel. In the waste discharge process, a negative pressure space is formed at the waste inlet, so that waste gas is collected, and the pollution of the waste gas to the environment is reduced.

The utility model discloses a multi-coil multi-working-mode double-barrel magneto-rheological shock absorber which comprises an outer cylinder body, an inner cylinder body, a magneto-rheological valve body and a piston assembly. The magneto-rheological valve body is arranged in the outer cylinder body and comprises a valve middle body, at least one valve left body is arranged on the left side of the valve middle body, at least one valve right body is arranged on the right side of the valve middle body, and an electromagnetic coil is arranged on the magneto-rheological valve body; the piston assembly comprises a piston rod and a sliding piston. The piston rod penetrates through the magnetorheological valve body to drive the sliding piston to slide in the inner cylinder barrel. Damping channels are arranged between the outer cylinder body and the magneto-rheological valve bodies, between every two adjacent magneto-rheological valve bodies and between the outer cylinder body and the inner cylinder barrel. The double-layer cylinder barrel design is adopted, the control range of output damping force of the magneto-rheological valve is enlarged, an electromagnetic coil wire can be connected more conveniently, the sealing performance is excellent, multiple control modes can be applied, the problem that application of a traditional magneto-rheological valve is limited is effectively solved, and application and popularization of the magneto-rheological technology in the vibration reduction field are facilitated.

The utility model discloses a rubella virus IGG antibody detection kit, and relates to the technical field of kits, in particular to a rubella virus IGG antibody detection kit which comprises a kit body, an adjusting sliding groove is formed in the inner bottom wall of the kit body, a supporting sliding rod is arranged in the adjusting sliding groove, the outer surface of the supporting sliding rod is connected with a connecting sliding block in a sliding mode, and the connecting sliding block is arranged in the adjusting sliding groove. And connecting springs are arranged on the outer surfaces of the connecting sliding blocks. According to the rubella virus IGG antibody detection kit, supporting sliding rods, connecting sliding blocks, connecting springs, a fixing frame, clamping plates, first springs and spring dampers are arranged in a matched mode, in the using process, after a reagent penetrates through a protective baffle, the clamping plates are extruded, the first springs are extruded, the distance between the clamping plates is adjusted, the reagent is inserted into the clamping plates, the clamping plates are clamped, the clamping plates are clamped, and the clamping plates are clamped. Meanwhile, the lower end of the kit is propped against the soft rubber protective pad, so that the rubella virus IGG antibody detection kit has the effects of conveniently and quickly fixing the reagent and improving the shock resistance.

The invention relates to the technical field of water conservancy devices, and discloses a self-adjusting integrated gate which comprises a gate frame, a gate base and a gate frame, the gate base is arranged at the bottom of a water flow channel, the gate frame is arranged on the gate base, when the gate falls down, water flow cannot pass through, and the gate is composed of a first gate body and a second gate body. The first gate is arranged on the front side of the second gate, a gap is formed between the first gate and the second gate, a first gate notch and a second gate notch corresponding to the first gate and the second gate in position and shape are formed in the gate base, a base water inlet is formed in the front side of the gate base, and a base water outlet is formed in the rear side of the gate base. The base water inlet is communicated with the first gate notch, the base water outlet is communicated with the second gate notch, a water storage cavity is formed between the first gate notch and the second gate notch, the first gate notch and the second gate notch are communicated through the water storage cavity, and the bottom of the base water outlet is arranged in a downward inclined mode.

The utility model discloses a closed inspection well of a sewage interception system of a flood drainage channel, which comprises a well body arranged below the bottom of the flood drainage channel, a launder is arranged on the inner wall of the bottom of the well body, pipelines are arranged at two ends of the launder, two ends of each pipeline extend out of the well body, pipeline holes are arranged on two sides of the well body, and the pipeline holes are communicated with the launder. A waterproof sleeve is mounted in the pipeline hole, and a flexible material is filled between the waterproof sleeve and the pipeline; a well seat mounting groove is formed in the top of the well body, a well seat is mounted in the well seat mounting groove, and a well cover is mounted on the well seat. The closed inspection well is arranged below the bottom of the flood drainage channel, and the closed sewage inspection well which is good in leakproofness, simple in structure, safe, reliable and convenient to maintain is constructed by adopting key measures such as the reinforced concrete well body, the waterproof sleeve and the novel closed well lid.

The invention discloses a machine body structure for chip detection equipment, which comprises an outer shell, a control structure, a plurality of cavities, a door plate, a heat dissipation plate and a drawer, and further comprises a fixed-point temperature control structure, a plurality of diathermanous grooves are formed in the side direction of the drawer, and the fixed-point temperature control structure comprises penetrating structures arranged on the side surfaces of the cavities; a fixing structure corresponding to the diathermanous groove is arranged on the penetrating structure; an inner groove is formed in the side, close to the heat dissipation plate, of the bottom of the drawer, the inner fixed point in-place structure comprises an electric pulling piece arranged in the cavity, a matching piece is movably arranged at the output end of the electric pulling piece, the direction of the matching piece is adjusted through a direction adjusting piece, an electric linkage piece is arranged above the electric pulling piece, and the electric linkage piece is connected with the drawer. The accuracy of test data can be improved.

The utility model discloses an ozone water cup with vertical array electrodes. An ozone device comprises an ozone generating unit and a working power supply unit for supplying power to the ozone generating unit, the ozone generating unit comprises an ozone base arranged in the mounting cavity, an ozone generating cavity structure is formed on the ozone base, an ozone generating cavity is communicated with the ozone cup body, and a plurality of groups of electrode plates for generating an ozone effect are arranged in the ozone generating cavity; each group of electrode plates is divided into anode plates and cathode plates according to electric polarity, the anode plates and the cathode plates are vertically arranged at intervals, and the cathode plates are arranged on the two sides of the anode plates; the ozone device adopts a vertically arranged anode plate and cathode plate structure, so that the effective contact area between an electrode plate (ozone) and water can be effectively increased, the working efficiency can be effectively improved, an ozone water cup can obtain ozone water with enough high concentration in a very short time, the ozone water is used for gargling and cleaning the oral cavity, the oral cavity can be effectively disinfected, and the service life of the ozone water cup is prolonged. Oral bacteria are killed, oral cavity, periodontal and gingivitis are inhibited, and oral malodor is eliminated.

The utility model discloses an acid etching liquid regeneration cycle copper recovery device, which relates to the technical field of etching liquid regeneration cycle and comprises an electrolytic tank, a cover plate is arranged on the upper side of the electrolytic tank, an ionic membrane is fixedly connected inside the electrolytic tank, and a cathode reaction tank is formed inside the electrolytic tank and on the left side of the ionic membrane. The lower end of the cathode port penetrates through the upper side of the cover plate and is fixedly connected with a cathode reaction rod, a T-shaped sliding groove is formed in the left side of the cathode reaction tank, a T-shaped sliding block is slidably connected into the T-shaped sliding groove, a connecting rod is fixedly connected to the right side of the T-shaped sliding block, and a removing sleeve is fixedly connected to the right side of the connecting rod. And the interior of the removing sleeve is in sliding connection with the surface of the cathode reaction rod. Through the arrangement of the T-shaped sliding groove, the T-shaped sliding block, the connecting rod, the push rod and the removing sleeve, the copper simple substance on the surface of the reaction rod can be effectively removed, the reduction reaction rate of bivalent copper ions is increased, and the working efficiency of copper recovery is effectively improved.

The invention belongs to the technical field of optical fiber manufacturing, and relates to a coating device for enabling an optical fiber to automatically pass through in an optical fiber drawing process, which comprises a coating unit for coating the optical fiber; the guiding unit is used for guiding the optical fiber to enable the optical fiber to automatically pass through the coating unit and the guiding unit in sequence; after the structure is adopted, the device has the beneficial effects that the device is safe and reliable, and the optical fiber can automatically penetrate through the coating mold only by means of compressed air.

The utility model belongs to the technical field of water stop structures, and particularly relates to an LUUI closed type rubber water stop belt and a water stop structure used at the joint of a new building and an old building. The water stop belt comprises a double-U-shaped sealing belt, an L-shaped wing plate belt and an I-shaped wing plate belt. The double-U-shaped sealing belt is formed by oppositely buckling two U-shaped belts to form a sealed whole; the L-shaped wing plate belt and the I-shaped wing plate belt are fixed to the two opposite sides of the double-U-shaped closed belt respectively. The water stop structure comprises an L-shaped groove body formed in the side, close to a joint, of an original building, and an L-shaped wing plate strip is matched with the L-shaped groove body and fixed to the L-shaped groove body. The double-U-shaped sealing belt is arranged in a joint of an original building and a new building, and the width B of the double-U-shaped sealing belt is matched with the width of the joint. And the I-shaped wing plate strip is poured in a new building. The LUUI closed type rubber waterstop and the waterstop structure can adapt to telescopic displacement and uneven settlement difference between new and old building concrete, so that the waterstop does not lose efficacy due to overlarge settlement difference and vibration dislocation, and potential safety hazards caused by premature tearing failure are avoided.

The utility model relates to the technical field of anti-explosion pressure relief devices, in particular to a control valve with an anti-explosion pressure relief structure, which comprises a connecting pipe arranged on the surface of a first valve body, a first limit ring arranged on the outer surface of the connecting pipe, an external thread arranged on the surface of the connecting pipe, and a second limit ring arranged inside the connecting pipe, the second valve body is composed of a first sleeve and a second sleeve, internal threads are formed in the first sleeve, a cross-shaped guide piece, a spring and a piston are arranged in the second sleeve, a first sealing ring is fixed to the surface of a first limiting ring, a second sealing ring is fixed to the surface of a second limiting ring, and the cross-shaped guide piece is arranged at one end of the second sleeve; the control valve with the anti-explosion pressure relief structure has the advantages that the technical problem that an existing anti-explosion pressure relief valve is complex in structure and inconvenient to quickly relieve pressure is solved, meanwhile, the control valve is simple in structure and convenient to install, and the maintenance cost is reduced.