75results about How to "Reduce the probability of water leakage" patented technology

The invention relates to a pipe communication splice welding pressure-bearing type heat exchanger, which comprises tap water heat absorption pipes. Heat supply pipes are arranged in the tap water heat absorption pipes. The tap water heat absorption pipes are communicated through tap water communication pipes. The heat supply pipes are communicated through heat supply pipe communication pipes. The seal heads of the tap water heat absorption pipes are outwardly flanged and embedded in the ports of the tap water heat absorption pipes. The flanges of the seal heads of the tap water heat absorption pipes and the port edges of the tap water heat absorption pipes are in splice bilateral alignment edge-kneading welding connection. The walls of the tap water heat absorption pipes are punched and inwardly flanged. The tap water communication pipes are inserted in the punches of the tap water heat absorption pipes. The port edges of the tap water communication pipes and the punched inward flanges of the tap water heat absorption pipes are in splice bilateral alignment edge-kneading welding connection. Heat supply pipe blocking plates are embedded in the ports of the heat supply pipes. The heat supply pipe blocking plates are outwardly flanged. The outward flanges of the heat supply pipe blocking plates and the port edges of the tap water heat absorption pipes are in splice alignment edge-kneading welding connection. According to the pipe communication splice welding pressure-bearing type heat exchanger disclosed by the invention, two technical defects of higher water leakage ratio of the welding line and incapability of continuously producing hot water of the original patent product can be solved; and the heat exchanger has the advantages of no leakage and continuous hot water production.

The invention discloses a header cold water pipe open communication heat absorption heat exchanger and a manufacturing process of the header cold water pipe open communication heat absorption heat exchanger. The header cold water pipe open communication heat absorption heat exchanger at least comprises two heat supply pipes, wherein two ends of the heat supply heats are respectively welded with a header, at least one cold water channel is arranged inside a heat supply pipe cavity, ports at two ends of the cold water pipe channel are communicated in open cavity mode, and deposited scales in a cold water pipe can be conveniently cleaned by poured acid liquor. The cold water pipe stores water and absorbs heat, effective heat sources can be fully utilized, the heat is quickly absorbed through multiple dividing walls, the heat is transmitted in step mode, a heat absorption area is enlarged, and due to the fact that water is stored in the headers, the length of flow path of cold liquor is increased, the time of heat exchange is prolonged, heat loss is reduced, and heat exchange efficiency is improved. Longitudinal or transverse flexible installation is achieved by reasonable utilization of space, requirements of users can be met, materials are saved, and production cost is reduced. Product quality is stable and reliable, and service life is prolonged. The same kind of metal material is adopted, the weight is light, transportation is convenient, and logistics transportation cost is saved.

The invention provides a humidifier. The humidifier comprises a machine seat, a water tank, a water storage chamber, an atomizer, a mist-out channel and a water-out control device. The water tank is provided with a water outlet. The water storage chamber is arranged on the machine seat and is provided with the atomizer, and the mist-out channel discharges the mist generated by the atomizer out ofthe humidifier. The water-out control device is used for controlling opening and closing of the water outlet so that the water in the water tank can enter the water storage chamber. The humidifier further comprises an outer wrapping body, wherein the upper portion of the outer wrapping body is open to prevent the water from being leaked out, the water tank is separately arranged in the outer wrapping body, and the lowest point at the upper end of the outer wrapping body is higher than the highest water level of the water leaked out of the water tank. The humidifier has the following advantagesof being stable as a whole, being capable of preventing water leakage, convenient to detach and clean, high in fan efficiency, firm in structure, high in insurance, high in safety coefficient, convenient to operate, clean and tidy and high-end in appearance and optimal in performance.

A humidifier with a double-valve structure comprises a base, a water tank, an atomization device, a water accumulation chamber and a mist outlet channel. The water accumulation chamber is arranged onthe base and provided with the atomization device. Mist generated by the atomization device is discharged out of the humidifier through the mist outlet channel. A water discharging port is formed in the water tank and provided with a water discharging control device. The water discharging control device comprises a detection and drive mechanism and a water discharging part. The water discharging part is arranged at the position of the water discharging port. The water discharging part is provided with a first water outlet hole and a second water outlet hole which are connected in series. The first water outlet hole and the second water outlet hole are provided with valves correspondingly, the valves act according to signals generated by the detection and drive mechanism and open or close the first water outlet hole and the second water outlet hole, and the valves independently close the first water outlet hole and the second water outlet hole. Compared with the prior art, the providedhumidifier with the water discharging part structure has the following beneficial effects that the water leakage probability is reduced, security is high, the safety coefficient is high, and performance is better optimized.

The invention discloses a solar flat-plate collector adopting electric tracing bands for auxiliary heating. The solar flat-plate collector comprises a casing, wherein heat insulation layers are arranged in the casing, a light-transmitting cover plate is arranged on the casing, a cavity is formed between the light-transmitting cover plate and the heat insulation layers, a heat collecting plate is arranged in the cavity, a pipe bank is arranged on the heat collecting plate, the heat collecting plate comprises a front side and a back side, the front side of the heat collecting plate faces the light-transmitting cover plate, a coating absorbing solar energy is arranged on the surface of the font side of the heat collecting plate, and the electric tracing bands are arranged on the back side of the heat collecting plate. The electric tracing bands are arranged on the back side of the heat collecting plate and have the fast heating effect, and water in the pipe bank of the heat collecting plate can be rapidly heated through heat transmission; holes in a water storage tank or the pipe bank are not needed, so that the water leakage probability of the equipment is reduced, and meanwhile, the safety problem caused by electric leakage of the equipment is reduced; the heat collecting plate or the pipe bank is directly heated, the problem that water in the pipe bank is frozen and expands in cold weather to damage the pipe bank can be effectively solved, and the solar flat-plate collector adopting the electric tracing bands for auxiliary heating has the advantages of simplicity in operation, safety and reliability in use and long service life.

The invention discloses an II-type polymer cement waterproof coating and a preparation method thereof. The coating comprises mixed liquid and mixed powder according to the weight part ratio of 90-110:140-160, the mixed liquid comprises the following raw materials in parts by weight: elastic waterproof emulsion, water, a defoamer and a sterilizing agent according to the weight ratio of 90-110: 8-18: 0.15-0.25: 0.08-0.16; and the mixed powder comprises the following raw materials in parts by weight: 32.5 cement, 800-mesh ground calcium carbonate, 40-120-mesh silica sand and a water reducing agent according to the weight part ratio of 90-110: 90-110: 90-110: 0.8-2. Fifteen physical and mechanical properties of a polymer cement waterproof coating as claimed in an embodiment of the invention totally pass all stipulations of GB/T23445-2009, and are much higher than the national standard, and after the II-type polymer cement waterproof coating is soaked in water, heated and subjected to alkali treatment, the tensile strength, the index of elongation at break, bonding force and anti-permeability actual measurement index are much higher than those of the product in the prior art.

The invention discloses an advanced treatment and reuse method of printing and dyeing waste water. The printing and dyeing waste water sequentially passes an anaerobic oxidation ditch, an aerobic oxidation ditch, an air flotation machine, a centrifugal filtering tank, a contact oxidation tank, an ion exchanger and a UF reaction tank for recovery treatment; when the printing and dyeing waste water enters the anaerobic ditch, anaerobic filler is injected into the anaerobic oxidation ditch, an aeration device in the anaerobic ditch acts for 3-5 h, and the mixture is left to stand for 5-8 h to facilitate biofilm culturing of the anaerobic filler and discharged into the aerobic oxidation ditch. An ozone generator in the UF reaction tank can kill bacteria, no energy is consumed in the ultra-filtration process, bacteria, colloid and other substances can be separated, the fault rate and the water leaking probability are relatively low, the structure is simple, the price is low, the printing and dyeing waste water deep treatment problem is effectively solved, indexes including the COD value of water, the pH value, the chroma, SS, total hardness and the like all reach the recycled water reuse standard in the printing and dyeing industry, the investment cost of an enterprise for waste water treatment is reduced, and the burden on the enterprise is reduced.

The invention discloses a drainage hopper for an exposed frame curtain wall. The drainage hopper comprises a main body which has a Y-shaped transverse section and is provided with three end parts, wherein the three end parts of the main body include two water inlet ends and one water outlet end; on the upper surface of the main body, a water flow groove which is deepened gradually is formed from each water inlet end to the water outlet end in a depressing way; the water flow grooves form water inlet grooves in the water inlet ends; the water flow grooves form a water outlet through which water can flow downwards in the water inlet end; the main body is provided with a positioning part provided with a positioning hole; the main body is provided with a glue groove; sealing glue injected into the glue groove is filled into a gap between the drainage hopper on a vertical column and the vertical column to enhance the air tightness. By adopting the drainage hopper, water falling from the upper part of the vertical column can be effectively drained outwards, the water leakage risk is lowered, and the service life of the exposed frame curtain wall is prolonged.

The invention discloses a locking device for a tunnel segment. The locking device for the tunnel segment comprises a first baffle, a second baffle, a first lead screw, a first locking component, a second locking component and a third locking component, wherein the first baffle is fixed on a front-end bottom plate; the second baffle is fixed on a first rear-end bottom plate; the first lead screw penetrates in the first baffle and the second baffle; the first lead screw is fixed on the first baffle by the first locking component, and is fixed on the second baffle by the second locking component; the front-end bottom plate is fixed on a K-shaped segment of a tunnel segment; and the first rear-end bottom plate is fixed on an A-shaped segment by the third locking component. By the locking device for the tunnel segment, the retreating amount of the K-shaped segment retreating towards a tunneling direction in a construction process can be reduced, the probability of water leaking from gaps due to the fact that gaps among segments are over large is reduced, and assembling quality of shield segments is improved.

The invention relates to the technical field of ornament and decoration, in particular to a ground leakage drain pipe structure and a manufacture method thereof. By enabling the reserved connector position of a ground leakage drain pipe to be lower than the upper surface of a floor slab layer so as to form a ladder groove between the ground leakage drain pipe and the floor slab layer, leaked water can flow in a drain pipe through the ladder groove, and then water hidden on a waterproof layer is convenient for draining accordingly, thereby reducing the water leaking probability.

The invention discloses a diving goggle, which comprises a lens and a sealing gasket, and the lens and the sealing gasket are integrally formed with the same material. The lens and the sealing gasket are integrally formed with the same material, and the lens and the sealing gasket are integrated, so that there is no need to use glue for bonding, avoiding the situation of inconsistent bonding strength that may occur when using glue bonding, and making the gap between the lens and the sealing gasket The connection between them is uniform and tight, which greatly reduces the possibility of water leakage between the lens and the gasket, reduces the probability of water leakage, and improves the service life of the diving goggles.

The invention relates to a leakproof seal type steel bell and spigot concrete pipe. Two ends of a concrete pipe are respectively and fixedly provided with a bellmouth steel ring ad a spigot steel ring, wherein the bellmouth steel ring and/or the spigot steel ring are/is radially welded and fixedly connected with a bellmouth water-resisting ring and a spigot water-resisting ring, a waterproof sealant is packaged in a gap between the bellmouth water-resisting ring and the bellmouth steel ring, a waterproof sealant is packaged in a gap between the spigot water-resisting ring and the spigot steel ring, and the bellmouth water-resisting ring and the spigot water-resisting ring are respectively fixedly arranged on the bellmouth steel ring and the spigot steel ring inside the concrete pipe. The provided leakproof seal type steel bell and spigot concrete pipe in the invention has the advantages of strong structural leakage resistance, simple manufacture, and shortened production time, and can effectively enhance the integral sealing property of a pipeline and guarantee the water supply pressure.

The invention discloses a parallel type lower water valve structure of a humidifier and a combined use mode thereof. The structure comprises valve boxes; multiple valve boxes can be provided; the multiple valve boxes are arrayed and laminated; a floater is arrayed with valve ejecting columns corresponding to lower water ports in number; the heights of the valve ejecting columns are reduced in sequence from right to left; and when two adjacent valve boxes are laminated, the valve boxes on the lower sides totally cover second lower ports of the valve boxes on the upper sides thereof, and first lower water ports of the valve boxes on the upper sides are exposed beyond the covering range of the valve boxes on the lower side.