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36results about How to "Reduce the difficulty of installation operation" patented technology

Ultraviolet radiation enhancement based method and device for simultaneous desulfurization, denitrification and particulate removal of pypocholoride

The invention discloses an ultraviolet radiation enhancement based method for simultaneous desulfurization, denitrification and particulate removal of pypocholoride. The method comprises steps as follows: atomized aerosol formed by an aqueous pypocholoride solution is subjected to ultraviolet radiation, pypocholoride in the atomized aerosol has a photolysis reaction, ROS (reactive oxygen species) free radicals with a strong oxidizing property are generated, the atomized aerosol containing the ROS free radicals with the strong oxidizing property is sufficiently mixed with flue gas, the treated flue gas and the atomized aerosol after reaction are subjected to wet washing treatment, and the treated flue gas is discharged into atmosphere after water mists in the flue gas are removed by a demister. The invention further discloses an ultraviolet radiation enhancement based device for simultaneous desulfurization, denitrification and particulate removal of pypocholoride. According to the method and the device, desulfurization and denitrification effects of pypocholoride are remarkably enhanced with the ultraviolet radiation method, the atomized aerosol and harmful gas in the flue gas are mixed and react, so that the gas-liquid contact area is greatly increased, and gas-liquid mass transfer efficiency is improved; by means of an ultraviolet reactor, the systematic complexity and the mounting operation difficulty are reduced, and the initial investment cost of the system is reduced.
Owner:聚方(大连)环保技术有限公司

Connection method of anti-inclusion pouring cup for large casting

The invention discloses a connection method of an anti-inclusion pouring cup for a large casting. The process of the connection method of the anti-inclusion pouring cup for the large casting comprisesthe following steps that the wax patterns of the pouring cup and a pouring cup step segment are manufactured (please see attached drawings 1 and 2); the height e of the pouring cup step segment ranges from 10 mm to 20 mm, the pouring cup and the pouring cup step segment are connected, a shell is manufactured, and when coating of 4-5 layers of the shell is completed, a steel wire is wound (pleasesee the attached drawing 3); a pouring cup cooperation segment is manufactured according to the attached drawing 4, the size phi A is the same as the size phi a in the attached drawing 2, the size B is slightly smaller than b, and the size E is the same as e; a wax part of the pouring cup cooperation segment and a wax part of the casting are connected, and a shell is manufacture; and before pouring, the pouring cup and the casting shell are connected through refractory mortar. According to the connection method of the anti-inclusion pouring cup for the large casting, increase of inclusions inthe casting in the pouring cup connection process and the high-temperature pouring process can be completely avoided, the mounting and operation difficulty can be reduced, metal materials can be separated well, and the metallurgical quality of the casting can be improved.
Owner:SHENYANG LIMING AERO-ENGINE GROUP CORPORATION

Rapid dragging device for submarine pipeline construction

The invention provides a rapid dragging device for submarine pipeline construction. The device includes a device body, a towing tension edge plate, top tightening screws, swinging clamping claws and detachable pins. Flanges at the end part of a pipeline can be tightly grabbed through three sets of the swinging clamping claws which can be opened and closed during using; the top tightening screws can be used to tightly clamp the flanges; and the swinging clamping claws can be fixed through the detachable pins, so that the rapid connecting and dragging of the device and the pipeline flanges can be realized. The top tightening screws can be unscrewed after the flanges are dragged in place, and the detachable pins can be removed so that the swinging clamping claws can swing, and therefore, thedevice can be rapidly freed. The device can effectively reduce the difficulty of installation operation, and is convenient in underwater freeing; and the flanges of the delivery line can be rapidly dragged in place for installing, so that convenient and fast follow-up flange docking work can be realized, and therefore, construction efficiency can be enhanced, operation time can be shortened, and good economic benefits can be created.
Owner:NEPTUNE OFFSHORE ENG DEV

Steam cooking device

The invention discloses a steam cooking device. The steam cooking device comprises a box body, a door body, and a sealing ring, wherein a heating cavity with an open front end is formed in the box body; the door body is movably arranged on the box body and in a position between an opening position for opening the heating cavity and a closing position for closing the heating cavity; the door body comprises a clamping protruding part; an annular mounting groove is formed in the rear surface of the door body; the heating cavity is surrounded by the mounting groove; a clamping groove is formed in the outer circumferential surface or the inner circumferential surface of the sealing ring; the sealing ring is arranged inside the mounting groove; the clamping protruding part is clamped in the clamping groove; at the closing position, the sealing ring is propped against the front surface of the box body. The steam cooking device disclosed by the embodiment of the invention has the advantages of being simple in processing technology, low in mounting and operation difficulty, good in sealing reliability, and stable in structure.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1

Front wiring system for wall switch socket

A front wiring system for a wall switch socket is characterized in that a wiring part of the switch socket is changed to be connected to a wiring seat of a wiring bracket with a hollow middle part from a wiring seat on the back surface of an original switch socket panel, and then an open head socket panel and a cover plate are mounted. The transmission path of an access power supply is as follows:a wire-a wiring head on the wiring bracket-a lower metal contact piece on the wiring bracket-an upper metal contact piece on the back surface of the panel- a head or jack function piece on the panel.Through the improvement, the operation is more convenient, the disturbance to the wiring part is avoided in the whole wiring process and the installation process of the head socket panel and the cover plate, and the wiring is more stable and reliable.
Owner:LIANG PING

Universal tapered co-directional double-screw-rod extruder for plastic pipes and sheet materials

InactiveCN107471594AIncrease full lengthExtended service lifeDrive motorEngineering
The invention discloses a universal tapered co-directional double-screw-rod extruder for plastic pipes and sheets. The universal tapered co-directional double-screw-rod extruder comprises a driving motor, a deceleration distribution box system, a feeding system, a transmission system, a tapered co-directional double-screw-rod system, an extruder barrel system and an exhaust system; and the tapered co-directional double-screw-rod system comprises a main tapered screw rod and an auxiliary tapered screw rod, the rotating directions of the main tapered screw rod and the auxiliary tapered screw rod are co-directional, and the main tapered screw rod and the auxiliary tapered screw rod are sequentially provided with feeding zones, plasticizing zones, reverse thread zones, secondary plasticizing zones, separation zones, exhaust zones and extrusion zones along the moving direction of materials. The tapered co-directional double-screw-rod extruder has the advantages that shearing heat is large, plastication is good, mixing is good, the filling ratio is high, product strength is good, the surface is bright, no discharge from an exhaust port occurs, transmission torque of the deceleration distribution box system is large, the bearing capacity is doubled, the service life is prolonged greatly, noise is small, and manufacturing is simple; according to the universal tapered co-directional double-screw-rod extruder for the plastic pipes and the sheets, and not only can the plastic sheets be extruded, but also the plastic pipes can be extruded.
Owner:舟山盈科塑料机械有限公司 +1

steam cooking device

The invention discloses a steam cooking device. The steam cooking device comprises a box body, a door body, and a sealing ring, wherein a heating cavity with an open front end is formed in the box body; the door body is movably arranged on the box body and in a position between an opening position for opening the heating cavity and a closing position for closing the heating cavity; the door body comprises a clamping protruding part; an annular mounting groove is formed in the rear surface of the door body; the heating cavity is surrounded by the mounting groove; a clamping groove is formed in the outer circumferential surface or the inner circumferential surface of the sealing ring; the sealing ring is arranged inside the mounting groove; the clamping protruding part is clamped in the clamping groove; at the closing position, the sealing ring is propped against the front surface of the box body. The steam cooking device disclosed by the embodiment of the invention has the advantages of being simple in processing technology, low in mounting and operation difficulty, good in sealing reliability, and stable in structure.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1

Refrigerating instrument

The invention discloses a refrigerating instrument. The refrigerating instrument comprises a box body (1), doors (2) and a hinge assembly (3), wherein the hinge assembly (3) is connected with the boxbody (1) and the doors (2); the hinge assembly comprises a mounting part (31), a hinge part (32) and an adjusting unit, wherein the installing part (31) is fixed on the box body (1), the hinge part (32) is connected to a hinge chain shaft (320) provided with the doors (2) of the mounting part (31); and the adjusting unit comprises an adjusting part (30) which is connected to the hinge chain part (32), the adjusting part (30) is used for adjusting the hinge chain part (32) in the adjusting direction relative to the position of the mounting part (31), and the adjusting direction is the width direction of the doors (2) or the front-back direction of the box body (1). According to the technical scheme, the problems that the appearance or sealing caused by irregular distance between two doors (2) or the doors (2) and the box body (1) is solved.
Owner:BSH ELECTRICAL APPLIANCES JIANGSU +1

Integral multi-parameter water quality on-line monitoring device and control method thereof

The invention discloses an integral multi-parameter water quality on-line monitoring device which is provided with a residual chlorine-water temperature sensor, a turbidity sensor and a water level sensor, and signal lines thereof are respectively connected with a single-chip microcomputer; the device is characterized in that the single-chip microcomputer is also connected with a keyboard input circuit, an output display circuit, an EEROM memory, a sound-light alarm circuit and a communication circuit; the output display circuit displays the concentration value, the turbidity value, the waterlevel height valve and the temperature valve of the residual chlorine in a circulating way; when a parameter exceeds the alarm value, the sound-light alarm circuit gives off sound-light alarm signals; the invention also expresses a control method which mainly comprises the following steps: system initiation, data acquisition, data processing and display, comparison and alarm; data acquisition adopts weighted average, data processing adopts moving average; and finally the invention can support the simultaneous on-line detection of a plurality of parameters, has the advantages of low cost, simple structure, convenient installation and debugging and high precision, and is very applicable to the water quality detection of small rural water plants.
Owner:重庆中珏正奇流量仪表有限公司 +1

Steel structure building surface mounting structure

The invention relates to a steel structure building surface mounting structure, and relates to the technical field of curtain walls, the steel structure building surface mounting structure comprises a steel skeleton, a roof and curtain walls, the roof is mounted on the top surface of the steel skeleton, the curtain walls are mounted on the peripheral side walls of the steel skeleton, and each curtain wall comprises a curtain wall keel and a first decoration layer; the building surface mounting structure further comprises a curved curtain mechanism, the curved curtain mechanism comprises a curved curtain keel, the curved curtain keel comprises at least three splicing units, and the three splicing units share a spine with the same hyperbolic contour; the second decorative layer is fixed on the curved curtain keel; and the curved curtain keel and the curtain wall keel are fixed into an integral structure. The method has the advantage that the curtain wall more conforming to the curved surface design can be accurately installed.
Owner:CHINA CONSTR SECOND BUREAU INSTALLATION ENG

Leakage-free pump shafting assembly stable in structure and convenient to install

InactiveCN113153800AAvoid failure or even fragmentationExtended service lifePump componentsPumpsSlider bearingEngineering
The invention discloses a leakage-free pump shafting assembly stable in structure and convenient to install. The leakage-free pump shafting assembly comprises a sliding bearing assembly, a thrust disc assembly and a shaft sleeve assembly; the sliding bearing assembly comprises a bearing seat and a sliding bearing, the sliding bearing is located in the bearing seat, and the bearing seat is provided with a first anti-falling structure; the thrust disc assembly comprises a thrust ring and a thrust disc seat, the thrust ring is located in the thrust disc seat, and a second anti-disengaging structure and a transmission device are arranged on the thrust disc seat; and the shaft sleeve assembly comprises a shaft sleeve and an expansion sleeve, the expansion sleeve is located in the shaft sleeve, a clearance compensation structure and an installation structure are arranged on the expansion sleeve, a pump shaft is sleeved with the thrust disc seat and the expansion sleeve, and the sliding bearing is arranged on the shaft sleeve in a sleeve manner; and the thrust ring faces the sliding bearing, and the transmission device is matched with a transmission structure. According to the leakage-free pump shafting assembly stable in structure and convenient to install, original heating inlaying is changed into combined installation, the installation operation difficulty is lowered, and the sliding bearing and the thrust ring can be prevented from axially disengaging.
Owner:犇流泵业科技(嘉兴)股份有限公司

Dovetail joint connecting structure and dovetail joint cabinet

The invention discloses a dovetail joint connecting structure and a dovetail joint cabinet. The dovetail joint connecting structure comprises a first dovetail joint connecting body, wherein the firstdovetail joint connecting body comprises a first body and at least one first dovetail joint arranged on the first body; the dovetail joint connecting structure further comprises a second dovetail joint connecting body, wherein the second dovetail joint connecting body comprises a second body and at least two side edge matching bodies arranged on the second body, and every two side edge matching bodies are matched to form a dovetail groove; and the first dovetail joints can be embedded into the dovetail grooves, and the first dovetail joint connecting body is matched with the second dovetail joint connecting body in a fastened mode. By adopting the dovetail joint connecting structure, the first dovetail joints can be embedded into the dovetail grooves, so that the first dovetail joint connecting body is matched with the second dovetail joint connecting body in the fastened mode; and the dovetail joint connecting structure can replace a 45-degree jointed board structure in the prior art,so that the installation operation difficulty is reduced, and material cost is reduced.
Owner:清远欧派集成家居有限公司

High-temperature extensometer and extensometer anti-slip device in high-temperature quasi-static loading test

The invention provides an extensometer anti-slip device in a high-temperature quasi-static loading test. The device comprises a clamping piece, one end of the clamping piece is provided with a U-shaped clamping groove, and the other end of the clamping piece is provided with a balancing weight; three inner side edges of the U-shaped clamping groove are provided with knife edges; the balancing weight is arranged to enable a gravity center of the clamping piece in a horizontal placement state to be a certain distance away from a symmetric center line of the U-shaped clamping groove in a horizontal direction; and the clamping piece is provided with a connecting device on the back surface of the rear inner side edge of the bottom side of the U-shaped clamping groove, and the connecting deviceis used for being inserted, contacted and matched with the front end of a ceramic extension rod of the high-temperature extensometer to be fixed and limited. The invention also provides the high-temperature extensometer comprising the anti-slip device. By adopting the anti-slip device, a slip risk between the ceramic extension rod of the high-temperature extensometer and the material surface of the tested test piece can be reduced.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD

High-temperature mechanical test device and extensometer auxiliary assembly thereof

The invention provides an extensometer auxiliary assembly, which is used for being matched with a contact type high-temperature extensometer to carry out a high-temperature mechanical test, and comprises a buckle assembly, wherein the buckle assembly comprises a U-shaped sleeve and a rotating clamping block, the U-shaped sleeve is provided with a bottom part and two side parts which form a U shape, the bottom is provided with an inner side knife edge, the rotating clamping block is provided with a rotating part, a crimping part, a counterweight part and a connecting part, the rotating clamping block and the U-shaped sleeve define a test piece channel for a test section of a test piece to penetrate through, the inner side knife edge and an end side knife edge are located on the two opposite sides of the test piece channel, and the counterweight part keeps the end side knife edge rotating to shrink the test piece channel, so that the inner side knife edge and the end side knife edge respectively press two opposite surfaces of the test section of the test piece from two sides of the test piece. The invention further provides a high-temperature mechanical test device comprising the extensometer auxiliary assembly. According to the extensometer auxiliary assembly, the slipping risk of the extensometer can be reduced, the test success rate is improved, and the installation and operation difficulty of the contact type high-temperature extensometer can be reduced.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD

Large-span cable-stayed bridge girder erection method

The invention provides a girder erection method for a large-span cable-stayed bridge. The girder erection method for the large-span cable-stayed bridge is characterized by comprising the following steps that a main tower, an auxiliary pier and a transition pier are erected, and a preset height is reserved between the top of the auxiliary pier and a girder; building a tower area beam section at the main tower; a main beam erection construction system is installed on the tower area beam section; after being integrally lifted, the single to-be-mounted beam section is horizontally transferred to the front end of the mounted beam section to be mounted; repeating the previous step until the main beam is spliced to the auxiliary pier; heightening construction is conducted on the auxiliary piers so that the auxiliary piers can be connected with the main beam; and repeatedly executing the step of integrally lifting the single to-be-mounted beam section and then horizontally transferring the single to-be-mounted beam section to the front end of the mounted beam section for mounting until the main span is closed. According to the construction method, the overall installation and assembly precision of the girder sections is high, the line shape of the girder is easy to guarantee, the bridge construction quality is high, and the construction speed is higher.
Owner:ROAD & BRIDGE INT +1

Electromagnetic shielding and sealing structure and method of display screen with external touch screen

The invention relates to an electromagnetic shielding and sealing structure and method of a display screen with an external touch screen. Conductive foam on a liquid crystal screen is conducted with an enclosure and is in overlap joint with the enclosure, the conductive foam is compressed and deformed after a press force of a press device is received, so that a shielding thin film is in favorableoverlap joint with the enclosure, a complete electromagnetic shielding isolation layer is formed for the liquid crystal screen by overlap joint between the shielding thin film and the enclosure by theconductive foam, the external touch screen or a glass plate is fixedly connected with the enclosure for achieving sealing by a pasting mode, the installation operation difficulty can be reduced by separate processing of electromagnetic shielding and sealing, the electromagnetic shielding and sealing reliability of the display screen with the external touch screen is improved, the index requirement of national military standard on electromagnetic compatibility is met very well, and the demand of rain prevention is satisfied.
Owner:SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD

Graphite sheet metal modular digestion instrument

The invention provides a graphite sheet metal modular digestion instrument. A graphite sheet metal module is arranged in a heating box body and is detachably connected with a bottom plate through screws, the graphite sheet metal module comprises a graphite block, a sheet metal box and a heating pipe, a plurality of digestion holes are uniformly formed in the upper surface of the graphite block, aplurality of heating pipe holes are formed in one side wall of the graphite block, and the positions of the heating pipe holes are lower than the bottoms of the digestion holes; cushion blocks are placed at the four corners in the sheet metal box and provided with limiting grooves so that the four corners of the graphite block can be embedded in the limiting grooves, and a plurality of heating pipe mounting holes are formed in one side wall of the limiting groove box. And the heating pipe can penetrate through the heating pipe mounting holes of the sheet metal box and is arranged in the heating pipe holes of the graphite block. According to the invention, the graphite sheet metal structure is modularized, and the installation modes of various types of digestion instruments are structured and unified, so that sheet metal materials are reduced, the installation operation is simple and easy, the cost is reduced, the adaptability of the product is improved, and modeling of a series of products is neater and more attractive.
Owner:BEIJING LABTECH

Commercial vehicle seat mounting bracket assembly

The invention discloses a commercial vehicle seat mounting bracket assembly which comprises a mounting base, a hollow block, a mounting plate and a second mounting side plate, a first mounting side plate is movably connected to one side of the interior of the mounting base, and the bottom end of one side of the first mounting side plate is fixedly connected with the hollow block; a vertical plateis fixedly connected to one side of the top end of the first mounting side plate, a mounting plate is arranged in the middle of one side of the first mounting side plate, clamping grooves are formed in the two sides of the bottom end of the interior of the mounting plate, and a second mounting side plate is arranged on one side of the mounting plate. By means of the hollow block fixedly connectedto one side of the bottom end of the first mounting side plate, after a seat is placed at the top end of the mounting plate, a clamping block can push a sliding block to slide in the hollow block through a supporting rod due to the gravity effect, the sliding block extrudes a spring, and then the spring can generate bounce force; at the moment, the rebound force can provide buffering capacity forthe seat at the top end of the mounting plate, the stability of the seat after mounting is improved, and the using effect of the seat is improved.
Owner:十堰凯必盛工业科技有限公司

Ground transportation track installation method

The invention belongs to the technical field of ground track mounting construction, and discloses a ground transportation track mounting method. The ground transportation track mounting method comprises the steps that 1, tracks and base steel plates are assembled in a segmented mode, specifically, the base steel plates are grouped and sequentially laid on the flat ground, the ends of the adjacentbase steel plates in the same group are arrayed and laid in a closely-attached mode, surveying and setting-out are conducted on all the groups of base steel plates, the track mounting positions are marked on all the groups of base steel plates, in each group, the tracks are hoisted on the base steel plates to be aligned with the marked track mounting positions, then the tracks are fixed to the base steel plates, heat deformation of the base steel plates in the machining process is corrected through the rigidity of the tracks while fixing is conducted, thus the track steel plates are closely attached to the bottom faces of the tracks, and after completion, assembled segments of the tracks and the base steel plates are formed in all the groups; 2, hoisting and butt joint are conducted in a segmented mode; and 3, grouting fixing is conducted. According to the ground transportation track mounting method, the track mounting sequence is changed, deformation correction of the base steel plates is conducted through the rigidity of the tracks, and thus the mounting error caused by deformation of the base steel plates can be reduced.
Owner:CHINA HUAYE GROUP +1

Mining optical fiber temperature sensor probe

The invention discloses a mining optical fiber temperature sensor probe which comprises a temperature sensing area shell, an optical fiber and an anchor head, wherein one end of the temperature sensing area shell is provided with an opening; a fiber bragg grating (FBG) is arranged in the temperature sensing area shell; the optical fiber is connected with the FBG; the anchor head is sleeved outside the optical fiber and is fixedly connected with the temperature sensing area shell; the other end of the anchor head is fixedly connected with the head of a coil pipe; and the coil pipe can be freely bent and cannot be twisted. The mining optical fiber temperature sensor probe can be applied to measuring the temperature of the inner part of a coal mine, particularly deep rock. According to the probe, the FBG is adopted as a temperature sensing element, the coil pipe is adopted as a protecting pipe, and the anchor head which is provided with bulging thorns and is used for fixing the tail end of a temperature sensing area, and an expansion device used for fixing the tail part of a sensor and a coal seam are designed. The mining optical fiber temperature sensor probe has a simple and reliable structure, is convenient to carry and mount under a mine, and is convenient to use.
Owner:SHANDONG MICRO PHOTOGRAPHIC ELECTRONICS

A connection method of anti-inclusion sprue cup for large castings

The invention discloses a connection method of an anti-inclusion pouring cup for a large casting. The process of the connection method of the anti-inclusion pouring cup for the large casting comprisesthe following steps that the wax patterns of the pouring cup and a pouring cup step segment are manufactured (please see attached drawings 1 and 2); the height e of the pouring cup step segment ranges from 10 mm to 20 mm, the pouring cup and the pouring cup step segment are connected, a shell is manufactured, and when coating of 4-5 layers of the shell is completed, a steel wire is wound (pleasesee the attached drawing 3); a pouring cup cooperation segment is manufactured according to the attached drawing 4, the size phi A is the same as the size phi a in the attached drawing 2, the size B is slightly smaller than b, and the size E is the same as e; a wax part of the pouring cup cooperation segment and a wax part of the casting are connected, and a shell is manufacture; and before pouring, the pouring cup and the casting shell are connected through refractory mortar. According to the connection method of the anti-inclusion pouring cup for the large casting, increase of inclusions inthe casting in the pouring cup connection process and the high-temperature pouring process can be completely avoided, the mounting and operation difficulty can be reduced, metal materials can be separated well, and the metallurgical quality of the casting can be improved.
Owner:SHENYANG LIMING AERO-ENGINE GROUP CORPORATION

A main traction device of a bag making machine

A main pulling device of a bag making machine comprises a pull roll, a driving mechanism for driving the pull roll, and a coaxial multi-dandy roll swinging arm mechanism which is positioned above the pull roll, wherein the pull roll is a steel roll of which the surface is provided with a ceramic layer; the coaxial multi-dandy roll swinging arm mechanism comprises an upper slide rod, a lower slide rod, and a plurality of swinging pressing roll assemblies which are mounted on the upper slide rod and the lower slide rod; each swinging pressing roll assembly comprises a bracket, a swinging arm which is hinged with each bracket, a dandy roll which is pivoted to each swinging arm, and a cylinder for driving each swinging arm to swing; a first through hole through which the upper slide rod passes is formed in each bracket; a locking seat is arranged at the first through hole in one side of each bracket; a second through hole through which the lower slide rod passes is formed in each bracket. According to the device, the brackets are strictly processed according to a drawing by a processing center based on the mounting standard of the swinging arms, the cylinder and a slide sleeve, and each bracket is provided with the same hole size. Therefore, the difficulty in mounting operation is reduced, and the mounting accuracy is ensured.
Owner:SINOMECH CORP

Installing structure of curtain wall plate

The invention discloses an installing structure of a curtain wall plate. The installing structure of the curtain wall plate comprises a keel frame, the curtain wall plate and more than one set of compressing assembly, wherein the compressing assemblies are used for installing the curtain wall plate on the keel frame in a compressing mode; a keel of the keel frame is provided with an internally-expanding groove, a connecting assembly comprises a compressing piece and more than one connecting piece, wherein the compressing piece is used for compressing the curtain wall plate, and the connecting pieces are installed in the internally-expanding groove; and each connecting piece is fixedly connected with the inner wall of the internally-expanding groove through first fastening assemblies, the compressing piece is connected with the connecting pieces through connecting mechanisms, and each connecting piece is provided with more than one limiting part used for stopping the corresponding connecting piece escaping from a groove notch of the internally-expanding groove. The installing structure of the curtain wall has the advantages that installing is simple and convenient, the waterproofing effect is good, and the safety is high.
Owner:HUNAN GOLDWELL NEW MATERIALS TECH CO LTD

Construction method of steel structure building surface decoration structure

The invention relates to a steel structure building surface decoration structure construction method, and relates to the technical field of building engineering.The method comprises the steps that a building structure is subjected to three-dimensional scanning, modeling is conducted to form a scanning model, and error analysis is conducted on the scanning model and a theoretical model; parametric modeling is carried out on the decoration structure, radius merging is carried out on curved curves after curves are fitted again, then the decoration component is divided into a plurality of units to form component assembling units, and processing and manufacturing are carried out after components of each component assembling unit are numbered; support control point data are obtained in the parameterized model, component assembling units are assembled according to the ingredient numbers, and in-place point position control is conducted through a total station in the assembling process; positioning points are determined on the surface of the building through a total station, and the assembled component assembling units are integrally hoisted and spliced according to the design drawing, so that the in-place points of the component assembling units are aligned with the positioning points on the surface of the building and then fixed. The mounting structure has the advantage that the decorative surface more conforming to the curved surface design can be conveniently and accurately mounted.
Owner:CHINA CONSTR SECOND BUREAU INSTALLATION ENG

A method and device for simultaneous desulfurization, denitrification and particulate matter removal of hypochlorite based on ultraviolet radiation enhancement

The invention discloses a method for simultaneous desulfurization, denitrification and particle removal of hypochlorite based on ultraviolet radiation enhancement, which has the following steps: the atomized aerosol formed by the hypochlorite aqueous solution is irradiated with ultraviolet light, and the atomized aerosol The photolysis reaction of hypochlorite generates strong oxidizing ROS free radicals, and the atomized aerosol containing strong oxidizing ROS free radicals is fully mixed with the flue gas. The treated flue gas and the reacted atomized aerosol are wetted Washing treatment, the treated flue gas is discharged into the atmosphere after removing water mist by a demister. The invention also discloses a hypochlorite simultaneous desulfurization, denitrification and particle removal device based on ultraviolet radiation strengthening. The invention adopts the ultraviolet light irradiation method to significantly strengthen the desulfurization and denitrification effect of hypochlorite, and the mixed reaction between the atomized aerosol and the harmful gas in the flue gas greatly enhances the gas-liquid contact area, improves the gas-liquid mass transfer efficiency, and the ultraviolet light reaction The device reduces the system complexity and the difficulty of installation and operation, and reduces the initial investment cost of the system.
Owner:聚方(大连)环保技术有限公司

High temperature mechanical test device and its extensometer auxiliary components

The invention provides an extensometer auxiliary assembly, which is used to cooperate with a contact type high-temperature extensometer to perform a high-temperature mechanical test, and includes a buckle assembly, which includes a U-shaped sleeve and a rotating block; The bottom and two sides of the shape, the bottom has an inner knife edge; the rotating block has a rotating part, a crimping part, a counterweight part and a connecting part, and the rotating block and the U-shaped sleeve define the channel of the test piece for the test section of the test piece Pass through, the inner knife edge and the end side knife edge are located on the opposite sides of the test piece passage, and the counterweight keeps the end side knife edge to rotate to narrow the test piece passage, so that the inner knife edge and the end side knife edge are respectively pressed from both sides of the test piece. Tighten the two opposing surfaces of its test section. The present invention also provides a high-temperature mechanical test device comprising the above-mentioned extensometer auxiliary assembly. The aforementioned extensometer auxiliary components can reduce the risk of extensometer slipping, improve the success rate of the test, and can also reduce the difficulty of installation and operation of the contact high-temperature extensometer.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD
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