203results about How to "Solve the problem of water leakage (" patented technology

The invention discloses a concentrated drainage device and method of tunnel engineering, which comprises the following parts: water diversion pipe, filter layer on the outside of water diversion pipe, funnel under the initial support water diversion pipe, screen under the funnel and drainage pipe under the screen, wherein the water diversion pipe is set in the water diversion hole d of tunnel adjacent bed creepage centralization part. The method comprises the following steps: drilling the water diversion hole d in the tunnel initial support and tunnel adjacent bed creepage centralization part; leveling the initial support surface; setting the concentrated drainage device in the tunnel engineering.

The invention discloses an overall waterproof system of a rigid building. The overall waterproof system comprises a gutter waterproof unit, a parapet wall waterproof unit, a ridge waterproof unit, a gable edge waterproof unit, a roof panel, a wall panel, a roof purline, a heat insulation layer and the like. A gutter in the waterproof system is not directly connected with the roof purline, and the gutter has a slope, so that the problems of poor heat insulation performance, many cold bridges, water accumulation in the gutter and the like due to direct connection of the gutter and the gutter supporting beam in the prior art are thoroughly solved; through inner and outer flashing pieces, a flashing conversion piece, a ridge water blocking plate and the like in the waterproof system, the mode of spreading sealant and then performing direct connection through tensioned rivets is changed into indirect connection, so the problem of water leakage on the roof due to ageing of daub is thoroughly solved, and the waterproof performance of a light steel colored plate building is greatly improved; and because of a sliding bracket, a building main body and accessories are connected tightly and firmly and can slide relatively, and the service life of the gutter is greatly prolonged.

The invention belongs to the field of the civil engineering structure. A main structure adopts the following eleven new structure forms: A) a whole node prefabricated stirrup cage frame, B) a concrete filled steel tube structured stirrup node, C) a prefabricated sleeve, D) an inorganic nonmetal fiber or fiber reinforced plastic material (FRP) or advanced compound material (ACM), E) a metal and nonmetal fiber compound material, F) a greatly increased minimum reinforcement ratio characteristic value Lambda v or volume reinforcement ratio rho v, G) a phase-change heat-absorbing cooling fire-preventing system in a steel structure, H) a water-softening resisting hollow pile foundation having a sealing layer and a sealing body, J) a fastened foundation having a thin steel tube, K) a substitute hoop node, L) a substitute core-filling pile body, and the like. The structure form A), K) and F) are used for solving the problem of the concrete pile soft node; B) is used for solving the problems of softness, high cost and poor fire prevention and corrosion prevention of the concrete filled steel tube structure; C) and E) are used for solving the problem of the fat column body of the reinforced concrete column; G) is used for solving the problems of poor fire prevention and high cost of the steel structure; H) and L) are used for solving the problems of water seepage and softening of the tube pile foundation; and J) is used for solving the problem of fully utilizing rock soil to greatly reduce the construction cost of the foundation.

The invention discloses a non-cured rubber asphalt waterproof paint and a preparation method thereof. The preparation method comprises the following steps: 1) weighing a matrix asphalt, a softener, an elastic plastic body, an adhesion agent, a functional polymer, a stabilizing agent and a filling material; 2)injecting the matrix asphalt to a reaction vessel, heating the materials, stirring the materials, adding the softener, and stirring the materials; 3) adding the obtained mixture and the elastic plastic body in a colloid grinder, growing the materials, opening the colloid grinder, grinding the materials, and continuously growing the materials; 4) adding an adhesion agent and a functional polymer, continuously stirring the materials; 5) adding a filling material and stirring the materials; and 6) adding a stabilizing agent, and stirring the material. The paint has high heat resistance, good construction property, good thermostability, chemical stability and anti-ultraviolet aging capability, bond property is not influenced due to extraneous environment, the paint has construction property for a wet basic layer, can increase the interfacial affinity interaction with the wet basic layer, and construction quality and progress can be effectively guaranteed, and the paint is environmentally friendly.

The invention discloses a method for constructing a maintainable tunnel waterproof system, which comprises the following steps: jetting a concrete layer and paving a waterproof layer on the wall rock of a tunnel, taking each mould of lining as a waterproof sub-area and pre-embedding a plurality of slip casting pipes outside the waterproof layer on central parts of each sub-area and abutted parts of every two adjacent sub-areas along a radial direction; pouring a molded concrete layer outside the waterproof layer in each sub-area so as to form an annular construction joint between the molded concrete layers of every two adjacent sub-areas; and processing the construction joints with a waterproof material. Through the construction method of the invention, the problem of the water leakage of the waterproof layer can be solved by pre-embedding the slip casting pipes, so the water leakage can be limited in the sub-area in a way of slip casting from the pre-embedded slip casting pipes once the water leakage occurs to the sub-area, which does not influence the normal operation of the tunnel, saves time and labor and ensures low maintenance cost. In addition, as the pre-embedded slip casting pipes can be reused, the whole waterproof system is maintainable.

A self-adhering rubber water-proof coiled material and a method for preparing the same composed of a rubber water-proof coiled material basal layer, a glue spreading reinforcement layer and a self-adhering rubber waterproof layer on the glue spreading reinforcement layer. The glue spreading reinforcement layer is glue spreaded nonwoven cloth or glue spreaded glass-fiber cloth. The self-adhering rubber waterproof layer is produced by mixing the following materials in proportion by weight: 60-70 portions of ethylene propylene terpolymer (PET); 10-26 portions of butyl rubber; 4-25 portions of chloroprene rubber; 50-70 portions of black carbon; 50-70 portions of fine particle calcium carbonate; 2-7 portions of coumarone; 10-20 portions of naphthenic oil; 5-10 portions of zinc oxide and 0.7-1.2 portions of stearic acid. The construction art is simple and fast. Because the self-adhering base material contains hydrophilic material, the basal layer can be in wet lay up if the basal layer has no water. The method has no glue brushing and glue shining process so as to save time limit for a project and the cost, effectively avoid hollow casing and burst phenomenon and form a whole a complete waterproof sealing system.

The invention belongs to the technical field of tunnel and underground engineering and particularly relates to a novel shallow-buried tunnel support structure applicable to urban sensitive areas and a construction method of the novel shallow-buried tunnel support structure applicable to the urban sensitive areas.The novel shallow-buried tunnel support structure comprises an advanced support, a primary support and a prefabricated tunnel lining which are sequentially arranged from outside to inside along the radial direction of a tunnel, wherein the primary support comprises a plurality of concrete-filled steel tube arches which are arranged at intervals along the longitudinal direction of the tunnel, a form is erected and form concrete is poured between every two adjacent concrete-filled steel tube arches, and the concrete-filled steel tube arches are formed by pouring early-strength concrete through adjustable prestressed steel tubes.The novel shallow-buried tunnel support structure applicable to the urban sensitive areas effectively solves the ubiquitous problems of excessive ground surface settlement, difficulty in deformation control, water leakage, lining cracking and the like in a current urban shallow-buried tunnel construction process so as to guarantee that ground surface buildings nearby the tunnel, pipelines along the tunnel and road traffic are not affected by underground engineering construction.

The invention relates to a method for repairing a converter supporting ring. The method comprises the following steps that (1) an old converter supporting ring is disassembled, and a transmission side trunnion and a non-transmission side trunnion assembly are obtained; (2) a tangential key on the transmission side trunnion is removed; (3) a large gear on the transmission side trunnion is dismounted; (4) new supporting ring fan-shaped sections are designed and made optimally; (5) two trunnion assemblies are repaired and the ends of the trunnion are sealed; (6) the two trunnion assemblies and the two fan-shaped sections are assembled on site; (7) the two trunnion assemblies and the two fan-shaped sections are welded and annealed on site. The method is used for repairing the converter supporting ring, greatly shortens the manufacturing period of the supporting ring, guarantees repairing quality and saves a great number of spare part expenses for enterprises.

The invention provides a tunnel lining leakage water treatment method. The method comprises the steps of selecting water diversion hole point locations; cutting crevices along a crevice by using a handheld concrete crevice cutter; chiseling away concrete to form an inverted trapezoid groove; cutting a crevice along the crevice from the surface of a lining above a high water diversion point and cutting a crevice along the crevice from the bottom of the groove below the high water diversion point; chiseling away concrete to form a rectangular groove with the depth greater than the width; performing groove cleaning treatment; performing grouting treatment on the rectangular groove by using epoxy resin mortar to block leakage water; drilling water diversion holes at the marking points to lead the leakage water out; installing a composite water-swelling rubber strip in the inverted trapezoid groove and fixing the rubber strip to form a water diversion channel; using waterproof adhesive cement to seal the gap between the composite water-swelling rubber strip and the groove wall of the groove; filling the inverted trapezoid groove solidly with hydrophilic epoxy mortar; performing plastering treatment to finish the whole process. Water flow flows into the groove through the water diversion holes and is guided to the bottom of a cable trench and to a side trench and the outside of a tunnel.

The invention provides a basement bottom plate water leakage repairing system. According to the steps, knockout is conducted from a basement bottom plate cushion layer to a structure layer; a machining groove is chiseled in a repairing part; a slip casting needle head is embedded in the machining groove for grouting; brush application of a base layer adhesion agent is conducted; structure reinforcing and floating are conducted through repairing mortar; brush application of an acrylic acid waterproof coating is conducted; polyester cloth soaked in the acrylic acid waterproof coating is laid andpasted; brush application of the acrylic acid waterproof coating is conducted; integral brush application of the base layer adhesion agent is conducted; integral brush application of a high-elasticity cement-based waterproof coating is conducted; integral brush application of a polyurethane waterproof coating is conducted; integral pavement and pasting of a modified asphalt waterproof roll are conducted; impervious mortar is used for integral leveling protection; box iron is adopted to manufacture a drainage channel; water drainage plates are laid to the position of a drainage ditch; concretepouring is conducted; and surface construction layer recovery is conducted. Multiple materials and multiple technologies are adopted to be combined as a whole, and the system solves the problem aboutbasement water leakage.

The invention discloses an assembled type jacking pipe piece structure and an assembling method thereof. The assembled type jacking pipe piece structure is characterized in that pre-buried steel plates for connection are arranged inside a pipe piece; a reservation grouting device is arranged inside the pipe piece; a slurry outlet of the reservation grouting device is formed in the assembled surface of the pipe piece. The assembled type jacking pipe piece structure has the following advantages: (1) the pipe piece is integrally formed by virtue of the effective connection between the pre-buried steel plates on the inner arc surface and the outer arc surface of the pipe piece, so that the stress and deformation requirements of the jacking pipe in pipeline construction and usage stages can be met; (2) the gap of the pipe piece is filled by pressure grouting by virtue of a pre-buried grouting device, so that the problem of water leakage at joints of the pipe piece can be effectively solved; (3) epoxy anticorrosive paint is coated to the inner side and the outer side of the pipeline, so that the pipeline durability can be improved; (4) by virtue of the connection manner, large-diameter jacking pipe joints can be transported by a manner of dividing the pipe joints into pieces, so that the problem that the large-diameter jacking pipe joints are difficultly transported can be solved.

The invention provides a deep foundation pit supporting structure in a karst geology condition and a construction method thereof. The deep foundation pit supporting structure comprises an encircled underground continuous wall (1), and a horizontal grouting reinforcing body (2) which is poured into an encircling area of the underground continuous wall. With the adoption of the deep foundation pit supporting structure, the problem due to serious water leakage occurring in the excavating of the foundation pit under the karst geology condition can be effectively solved; the underground continuous wall has a good effect, and the supporting structure is small in deformation; in addition, the water stopping effect of the sidewall of a foundation pit is obvious, so that the circumstance of water leaking nearly not occurs; the area in the bottom of the foundation pit is subjected to foundation processing by the grouting mode to form a grouting reinforcing body, and thus the channel for water in karst fissures at the bottom of the pit can be effectively cut, and as a result, the problem that water runs from the bottom of the pit can be completely solved; the cement and soluble glass grout is used as the grouting material which can effectively prevent the cement grout from be washed out by the groundwater, and the water blocking and permeating preventing performances of the grouting reinforcing body can be obviously improved.

The invention discloses a water-conducting and pressure-releasing type composite well wall of a vertical shaft and a construction method thereof. The composite wall comprises an inner wall, a waterproof interlayer and an outer wall, wherein a circle of water-conducting groove is pre-buried in the inner wall at the height of each seepage layer; each water-conducting is a circle of enclosed pipeline, and the periphery of the pipeline is provided with a plurality of water-conducting holes; and the inner cavities of all water-conducting grooves are communicated by water-conducting pipes from top to bottom, and the bottom of each water-conducting pipe extends from the bottom of a shaft. Therefore, seepage water between the inner wall and the outer wall is conducted out. The invention has the advantages that formation water infiltrating the sandwich from the outer wall firstly flows in the water-conducting groove through the water-conducting holes and then is conducted to the bottom of the shaft through the water-conducting pipes to decrease the water head height and reduce the water pressure. Therefore, the thickness of the wall is reduced, investment is saved, and the problem of seepage caused by wall thawing after freezing sinking is solved.

The invention discloses an air conditioner and a controlling method and a controlling device of the air conditioner. The controlling method of the air conditioner comprises that when the air conditioner is on a cooling mode or a dehumidifying mode, operational time of a compressor of the air conditioner is detected; whether the operational time of the compressor of the air conditioner is greater than a first preset time is judged; when the operational time of the compressor is greater than the first preset time, the air conditioner is controlled to be on a water-eliminating mode. The water-eliminating mode is used for eliminating water on an electrical heater part of the air conditioner. When the air conditioner is on the cooling or the dehumidifying mode, the water produced by electrical heating can be avoided so as to avoid water blowing of the air conditioner, and therefore experience of users is improved, a water-leakage failure is avoided, and the operational stability of the air conditioner is guaranteed.

The invention provides a high-speed rail and subway tunnel leakage water repairing system and a process thereof. The process comprises the steps that the current leakage water condition of a high-speed rail and subway tunnel is judged; according to the leakage water condition, a corresponding repairing method is adopted for repairing leakage water; when that the leakage water condition is segmentsplicing joint water leakage is judged, a repairing method of deep water stopping and shallow reinforcing is adopted for repairing the leakage water; when that the leakage water condition is segment splicing joint water gushing is judged, a repairing method of combining curtain solidification, deep water stopping and shallow reinforcing is adopted for repairing the leakage water; and when that theleakage water condition is segment bolt part leakage water is judged, a repairing method of structural blocking is adopted for repairing the leakage water. According to the high-speed rail and subwaytunnel leakage water repairing system and the process thereof, corresponding waterproof and leakage-stopping schemes are determined according to different leakage water parts, a plurality of materials and a plurality of processes are combined, and the problem of segment leakage water of the high-speed rail and subway tunnel is systematically solved.

A dispenser water supply system including a dispenser (40), an ice making apparatus and a splitting valve (125) are provided. The dispenser includes an outlet (43) and is configured to dispense water and ice. The ice making apparatus (50) is configured to provide ice to the dispenser. The splitting valve is configured to dispense water into the outlet of the dispenser and to the ice making apparatus to produce ice, the splitting valve being mounted at the dispenser. A refrigerator having the dispenser water system is also provided.

The invention provides a waterproof standard construction technology for a well-decorated kitchen and bathroom, and relates to the technical field of construction engineering. The technology comprisesthe following steps of S1, pipeline waterproof treatment, S2, base layer waterproof treatment, S3, wall face and ground face waterproof treatment and S4, internal corner waterproof treatment; firstly, a pipeline is waterproofed, then a base layer is waterproofed, and then the wall face and the ground face are waterproofed, finally, internal corners are waterproofed on a waterproof structure of the wall face and the ground face so as to further increase the waterproof effect. The multi-layer waterproof structure of which layers are stacked and the waterproof treatment for pipe edges and the inner corners can make the waterproof structure of the kitchen and bathroom room achieve the waterproof effect lasting for 15 years or above.

The invention provides a bottom case of a kitchen range and the kitchen range with the same. The bottom case of the kitchen range provided by the invention comprises a bottom wall and at least three side walls, wherein each side wall is provided with a horizontal flange; and an included angle is formed between ends of each two adjacent flanges. The bottom case of the kitchen range also comprises a jacket, which is used for packaging the ends of each two adjacent flanges and further connecting the two adjacent flanges. Due to the adoption of the technical scheme provided by the invention, the cost of a die can be greatly reduced, and the production efficiency is improved. In addition, due to the utilization of the jacket, the problem that when a gap is formed between each two adjacent flanges, water leakage is easy to occur at the gap is solved.

The invention discloses a rear replaceable type waterproof device for a deformation joint of a basement and an installation method thereof. The rear replaceable type waterproof device comprises angle steels, wherein the angle steels are arranged at the two sides of the deformation joint of the basement; drilling holes at the two sides of the deformation joint are provided with screw rods; the contact surfaces of the angle steels and the deformation joint are provided with bonding layers; rubber water-stopping belts are arranged above the angle steels at the two sides and at the inner sides opposite to the screw rods; and pressing devices are arranged above the rubber water-stopping belts and are fastened by nuts. The rear replaceable type waterproof device disclosed by the invention has the advantages that the waterproof device is arranged on the backwater surface of the completed basement without being pre-buried in advance, namely the rear type, so that the difficult problem that members can not be pre-buried at the backwater surface for water leakage and water prevention of the deformation joint of the basement is solved, the device is replaceable and is convenient for maintenance in the future.

The invention discloses a photovoltaic cell tile, a photovoltaic cell installation assembly and a roof photovoltaic cell system. The photovoltaic cell tile comprises a glass tile body; the glass tilebody comprises a plane installation part used for installing a photovoltaic cell, and reflecting parts which are located on the two sides of the plane installation part and are used for reflecting light rays to the photovoltaic cell at the plane installation part. A wiring box which is electrically connected with the photovoltaic cell is arranged on one side of the back face of the plane installation part. A plurality of photovoltaic cell tiles are sequentially spliced and connected to obtain the photovoltaic cell installation assembly. The reflecting parts on the photovoltaic cell tiles provided by the invention can provide additional light energy, the light energy utilization rate is improved, and the power generation rate of the photovoltaic cell is increased. A new structure installation mode is provided for the combination of the building and photovoltaic power generation in the prior art, the use waste of the product materials can be reduced, and the economic waste caused by secondary construction can be avoided.

The invention discloses a construction technique of a waterproof heat-insulation integrated system. The construction technique comprises the following steps: (1) processing a base layer; (2) popping up a plate paving control line at the surface of the base layer; (3) cutting the plates; (4) coating heated rubber asphalt coating on the base layer according to the control line; (5) paving the cut plates on the rubber asphalt coating, and vibrating and discharging; (6) performing crack-pouring sealing on the crack between adjacent plates by the rubber asphalt coating, and smear the rubber asphalt coating at both sides of the crack, paving a grid cloth, and coating the rubber asphalt coating to completely cover the grid cloth; covering a film surface with reflecting function on the rubber asphalt coating again. The waterproof heat-insulation integrated system prepared by the construction technique is free from water channeling, water absorption and water inflow; the heat insulation and waterproof problems are solved in one step; thus the construction technique is simplified, the system risk is reduced, and the comprehensive energy-saving effect is greatly improved.

The invention relates to a blast-furnace tuyere small sleeve extrusion technology which comprises the following steps of: (1) casting a pure copper rod; (2) sawing the pure copper rod into copper segments conforming to the required length; (3) heating the copper segments and heading with a mould; (4) heating, heading with a mould and punching a center hole; (5) turning the inner wall of the center hole and chamfers at the two ends according to the requirements of a product drawing; (6) heating, extruding an annular groove with a mould and producing the semi-finished product of a front cap; (7) heating, and extruding the annular groove again with the mould; (8) assembling and fitting the matched fluid director and front cap, and enabling closed contact between a small clapboard of the fluid director and the bottom in the annular groove of the front cap; (9) extruding and reaming the center hole with a mould, and compacting the fluid director and the front cap at the same time; and (10) machining the welding grooves on the outer side of the annular groove opening of the front cap and the inner side of the conical big opening of the center hole; and assembling and welding the rear body and the front cap, and checking whether the product is qualified. The technology provided by the invention is simple, and the service life of the product is long.

The invention relates to a gable side sliding roof panel rigid waterproof system which comprises a roof sliding bracket, an outer flashing member, an inner flashing member, a flashing conversion member, support angle steel, a concealed gutter, a special sliding bracket for wall surface, an external wall plate, a roof purline and an insulating layer. According to the invention, the roof sliding bracket is arranged among the inner flashing member, the outer flashing member, the concealed gutter and the roof purline; the direct connection mode of the prior art that the node is bonded through seal glue and then fixed with a pulling rivet is changed into a mode that the inner and outer flashing members are indirectly connected with the roof purline through the sliding bracket; meanwhile, a special sliding bracket for wall surface is arranged on the lower part of the outer flashing member so that the connection between the inner and outer flashing members of gable and concealed gutter and the external wall plate and roof purline is firm and can guarantee relative sliding and that the rigid waterproof characteristic is obtained; and the problem of water seepage caused by the infirm sliding connection between the gable and the roof panel node as well as the aging of tack hole seal glue is thoroughly solved.

The invention discloses a tube type heat exchanger. The tube type heat exchanger is mainly composed of a barrel, a tube header, nuts, tube plates, a spacer, a liquid discharging outlet, a support, anair vent, a heat exchanger body, a tube, a cleaning opening, a shell pass connection pipe, an equipment flange, a heat insulating layer and a baffle plate, wherein the front end of the barrel is fixedly connected with the tube header; the two tube plates are arranged inside the front end and the rear end of the cylinder separately, and the tube plates are in threaded connection with the cylinder through the nuts and are fixedly connected with the two ends of the heat exchanger body; the tube is arranged at the lower end of the heat exchanger body; the baffle plate is arranged in the middle ofthe heat exchanger body; the liquid discharging outlet is formed in the lower portion of the front end of the cylinder; the lower portion of the rear end of the cylinder is fixedly connected with theshell pass connection pipe; the lower end of the cylinder is fixedly connected with the support; the cleaning opening is formed in the middle of the support and is in threaded connection with the lower end of the cylinder; the rear end of the cylinder is in threaded connection with the equipment flange; and the inner wall of the cylinder is fixedly connected with the heat insulating layer. The tube type heat exchanger has the technical effects that cleaning is convenient, the service life is prolonged, and no water leakage exists.

The invention provides an anti-stick waterproof board with excellent water resistance. The anti-stick waterproof board consists of a base material layer, a self-adhesive layer and an isolating membrane layer which are sequentially compounded into a whole, wherein the self-adhesive layer is positioned between the base material layer and the isolating membrane layer; the isolating membrane layer does not need to be removed, and disappears after reacting with poured concrete; the self-adhesive layer has the thickness of 0.2-0.4mm, and is prepared from the following components in parts by weight: 2-10 parts of chlorobutyl rubber, 20-30 parts of high-molecular-weight butyl rubber with a viscosity average molecular weight of 400-500 thousands, 30-50 parts of medium-molecular-weight polyisobutylene with a viscosity average molecular weight of 50-100 thousands, 20-40 parts of low-molecular-weight polyisobutylene with a viscosity average molecular weight of 1000-3000, 0.5-10 parts of vinyl-terminated silicone rubber and 1-5 parts of an antioxidant; the vinyl-terminated silicone rubber is terminal vinyl silicone rubber and has a viscosity average molecular weight of 50-300 thousands, and the mole percent of vinyl is more than 1%. The invention also provides a preparation method of the anti-stick waterproof board.

The invention relates to a Portland cement foaming heat preservation board or a block and a manufacturing method thereof. The Portland cement foaming heat preservation board or the block is capable of strengthening heat insulation and heat preservation performances. The Portland cement foaming heat preservation board or the block is prepared by raw materials of, by weight, 99 parts of Portland cement, 5 parts of saturated aluminum sulfate, 1 part of water reducing agents and 0.5-1 part of hydrogen peroxide, the Portland cement, the saturated aluminum sulfate and the water reducing agents are proportionally taken and then placed in a mixer, water is added into the mixer to be mixed with the raw materials and then stirred for 5-10 minutes to prepare a foaming cement slurry, the water is added according to the weight ratio of the water to the raw materials of 100: (60-80), the hydrogen peroxide is proportionally taken, water is added to the hydrogen peroxide, the hydrogen peroxide and the water are subjected to pre-foaming to manufacture foams by means of a foaming machine, the water is added according to the weight ratio of the hydrogen peroxide to the water of 0.01: 1, the foams and the foaming cement slurry are placed into a foam stirrer for even stirring, the mixture is injected to a mold for solidification molding, and the mold is removed to obtain the density Portland cement foaming heat preservation board or the block. Portland cement enables a solidified board to form a foaming structure under the action of the hydrogen peroxide so that weight of walls is reduced, and the heat insulation and heat preservation performances are strengthened.

The invention provides a repairing system for water leakage in a kitchen and a bathroom, and relates to the technical field of building engineering. The repairing system comprises a structure weak part repairing system and a pipeline and internal corner part repairing system. A machining groove is chiseled in a structure weak part, and grouting, painting of a basic layer interface agent, reinforcement of repairing mortar, painting of waterproof paint, laying and attaching of polyester cloth and secondary painting of waterproof paint for waterproof treatment are performed. At pipeline and internal corner portions, internal corners and a pipeline side are grooved, painting of a basic interface agent, reinforcement of repairing mortar, paining of waterproof paint, laying and attaching of polyester cloth and secondary painting of waterproof paint for waterproof treatment are performed, and finally overall painting of repairing mortar, painting of rigid waterproof paint and high-elasticitywaterproof paint and other waterproof treatment are performed. Multiple materials and multiple technologies are adopted and combined as a whole, and the problem of water leakage in the kitchen and thebathroom is solved systematically.

The invention discloses a suspended ceiling structure of a long span underground powerhouse and a construction method thereof. The suspended ceiling structure of the long span underground powerhouse comprises two equilong rock anchor beams which are constructed and completed are located on two sides of an upstream and a downstream, a steal arched beam is located between the two rock anchor beams and stretches across in the upstream and downstream directions, an arched waterproof layer purlin support and an arched waterproof layer purlin strip are supported at the top flange of the steal arched beam, and an arched waterproof board is fixed to the arched waterproof layer purlin strip; a plurality of steel hanging rings and steel hanging rods are hung on the bottom flange of the steal arched beam, a main runner of a horizontal decorating layer is hung under the steel hanging rods, and a horizontal decorating layer purlin strip is fixed under the main runner; a fixed decorating board is installed on the lower surface of the horizontal decorating layer purlin strip, a plurality of air conduits are arranged in space between the horizontal decorating layer and an arched waterproof layer, and a plurality of maintenance trestle roads along cliffs are installed on the upper surface of the main runner. The steel arched beam and all steel components can be conveyed to a site to install after being processed, manufactured and completed in a factory, the construction is convenient, and the construction period is shortened. The water seepage of a powerhouse top arch is drained to an upstream and downstream side wall drainage ditch from an upper layer of the waterproof board, the problem that the top arch leaks water is solved, a decorating role of a lower layer of the horizontal decorating layer is played, and the operating requirement of power station is met.

The invention provides a composite waterproof layer for environmental engineering and a preparing and constructing method thereof. The preparing and constructing method comprises the steps that polymer waterproof sheets are laid on and attached to the surface of an environmental engineering building, and lap joint seam processing is conducted between the adjacent polymer waterproof sheets in a glue bonding or welding or lap joint mode; the lap joint seam parts of the polymer waterproof sheets are provided with non-woven fabric in a laying and attaching mode or is coated with hand brush materials; first layers of rapid hardening rubber asphalt waterproof coatings are sprayed on the lap joint seam parts, and the rapid hardening rubber asphalt waterproof coatings are rapid hardening polymer emulsion state waterproof coatings formed by emulsified asphalt, a polymer rubber modifier and an additive in an emulsification crosslinking mode, a second layer of rapid hardening rubber asphalt waterproof coating is integrally sprayed on the surfaces of the poly waterproof sheets.

The invention discloses a fish attracting lamp using seawater cooling. The fish attracting lamp comprises a fish attracting lamp assembly, a throttling valve, a flowmeter, a filter, a circulating pump and a dirt separator. The fish attracting lamp assembly is composed of a lens, an LED light source, a heat exchanger and a plastic shell. According to the fish attracting lamp using seawater cooling, due to arrangement of the heat exchanger and the plastic shell, the plastic shell is of a special lamp structure and is made of a plastic material, the heat exchanger is made of an aluminum nitride ceramic material, and the fish attracting lamp is high in corrosion resistance and can stably work in the marine environment for a long time. Due to arrangement of a cooling water gap, a loose joint structure is adopted, bare-handed dismounting and mounting of the lamp without tools are achieved, the loose joint sealing surface is changed into a spherical surface or a conical surface from a traditional plane, and the water leakage problem of V-shaped gaps is well solved. Due to arrangement of the fish attracting lamp, the fish attracting lamp can be combined at will through modular design of four cross-shaped water gaps, and the applicability to the using environment is ultrahigh.