39results about How to "Effective antifreeze" patented technology

The low temperature construction method for grouting bridge support in the temperature lower than 10 deg.c, especially lower than 0 deg.c, includes heating the support bed stone in the pier top, pier anchor hole, lower bridge bearing steel plate, screw and sleeve, mortar stirrer, mortar pipe, etc partially or completely, taking heat insulating measures, and heating and maintaining the grouted mortar with heating bag and heat insulating jacket. The present invention has homogeneous heating of the mortar in and after grouting, and can ensure the global strength and antifreeze performance of anchoring mortar.

The invention discloses an anti-freezing pressure-resistant cable. The anti-freezing pressure-resistant cable comprises a conductor, an insulating layer, a heat conduction layer I, a heating layer, a heat conduction layer II, a shield layer and a sheath. The conductor is externally extruded by the insulating layer. The insulating layer is externally extruded by the heat conduction layer I. The heat conduction layer I is externally extruded by the heating layer. The heating layer is externally extruded by a heat conduction layer II. The heat conduction layer II is externally extruded by the shielding layer. The shielding layer is externally extruded by the sheath. The anti-freezing pressure-resistant cable is simple and reasonable in structure and is effective in freezing resistance.

The invention discloses an antifreeze and anti-mouse warning cable, comprising a conductor, an insulating layer, a first heat conducting layer, a heating layer, a second heat conducting layer, a flame retardant layer, a sheath, capsule particles, an outer sheath, a reflective stripe and a luminous line, wherein the insulating layer is extrusion wrapped at the outside of the conductor, the first heat conducting layer is extrusion wrapped at the outside of the insulating layer, the heating layer is extrusion wrapped at the outside of the first heat conducting layer, the second heat conducting layer is extrusion wrapped at the outside of the heating layer, the flame retardant layer is extrusion wrapped at the outside of the second heat conducting layer, the sheath is extrusion wrapped at the outside of the flame retardant layer, and the outer sheath is extrusion wrapped at the outside of the sheath. The antifreeze and anti-mouse warning cable disclosed by the invention has a simple and reasonable structure, and has the advantages of antifreeze and anti-mouse.

The invention relates to an indirect air cooling tower anti-freezing device. The anti-freezing device is characterized in that an anti-freezing unit comprises a supporting frame, an anti-suction net,a guide rail, a roller shutter, a roller shutter box, an anti-falling cable and an anti-falling cable winding disc, wherein an output shaft of a roller shutter motor is sleeved with the anti-falling cable winding disc, and the upper end of the anti-falling cable is fixed to an upper cross beam of the supporting frame; the roller shutter motor, a roller shutter shaft and a winding roll are arrangedin the roller shutter box, and the output shaft of the roller shutter motor is in driving connection with one end of the roller shutter shaft; the other end of the roller shutter shaft is in drivingconnection with a winding roll shaft; the upper end of the roller shutter penetrates out of the roller shutter box and is fixed through the upper cross beam; and two pulleys extending outwards are arranged on the two sides of the roller shutter box, and the roller shutter box is embedded into guide rails on the two sides through the pulleys so that the roller shutter box can move up and down alongthe guide rails. According to the anti-freezing device, a perfect anti-freezing measure is provided for freezing prevention of an intercooling unit in the alpine region, and the blank of anti-freezing operation experience in the alpine region is filled.

The invention discloses a pressure-bearing heat pipe and flat plate integrated solar water heater, and belongs to the field of flat plate solar water heaters. The pressure-bearing heat pipe and flat plate integrated solar water heater comprises main parts including a water tank, a flat plate heat collector, a support and the like, wherein heat absorbing plate cores of the flat plate heat collector are formed by welding heat pipes and aluminum plates or copper plates plated with heat absorbing coatings, and a condensation section of each heat pipe is located outside the heat collector and inserted into the water tank for direct heat exchange with water in the water tank. The pressure-bearing heat pipe and flat plate integrated solar water heater adopts integrated design, and has the characteristics of high heat collecting efficiency, high heat absorbing speed, pressure resistance, freezing resistance, high impact resistance, long service life and the like.

The invention relates to a toilet decontamination system, in particular to an anti-freezing water flushing toilet decontamination system which comprises an air pump, an air pressure tank, an underground water storage tank, an electromagnetic valve, a check valve and a pipeline system; the water storage tank is buried under the frozen soil layer, and the air pressure tank, the air pump and other main components are all arranged above the ground. The air pressure pump can automatically supply air to the air pressure tank according to data provided by a teletransmission pressure gauge, when the toilet needs to be flushed, the electromagnetic valve of an air main pipe is opened, the electromagnetic valve of an air branch pipe is closed in a linkage mode, and the check valve on the upper portion of the toilet is automatically closed, under the action of gas pressure, water in the underground water storage tank flows to the toilet stool through a vertical pipe connected to the bottom of the underground water storage tank to complete flushing. after toilet flushing is completed, the check valve is automatically opened, the electromagnetic valve of the air branch pipe is automatically opened, the air vertical pipe, the flushing pipe and the water storage tank form a communicating vessel, pressure is balanced, liquid in a pipeline system can flow back to the underground water storage tank, it is ensured that the liquid level is always controlled below a freezing line, and the toilet stool and the excrement passing pipe are prevented from being frozen due to accumulated water. The freezing problem of the water flushing toilet is thoroughly solved, and a new technical scheme is provided for changing the toilet in rural areas.

The invention provides a well sampling device with an anti-freezing function and belongs to the field of water sample taking devices of oilfield water injection wells. The well sampling device comprises a horizontal pipe body and a sampling valve arranged on the horizontal pipe body, wherein the sampling valve comprises a valve seat with a pipe-shaped structure and a valve element arranged in thevalve seat; a valve cap for connecting the valve seat and the valve element is arranged between the valve seat and the valve element; a water inlet hole is formed in a lower-part pipe wall of the valve seat; a lower-part tail end of the valve seat is of a circular platform structure with a vertical water outlet; the valve element is of a rod piece structure of a rod piece and the diameter of the upper part of the rod piece is greater than that of the lower part of the rod piece; a transition circular platform is connected between an upper-part large-diameter rod piece and a lower-part small-diameter rod piece. The well sampling device provided by the invention is simple in structure and convenient to open and close; the valve seat with the water inlet hole is utilized, so that the valve seat and the valve element are located in flowing liquid all the time only if water flows through the pipe body, and the effective anti-freezing effect is realized.

The invention discloses an anti-freezing device for well water in a high cold area by using high-pressure gas interference. The anti-freezing device comprises a water well body, a water suction pump,a water suction pipe, a gas pipe and a high-pressure gas pump, wherein the water suction pump is arranged in the water well body, the water suction pipe is arranged at the upper end of the water suction pump, the gas pipe is inserted into the water well body, a high-pressure gas storage tank is connected to one end of the gas pipe, the high-pressure gas storage tank is connected with the high-pressure gas pump, the high-pressure gas pump is connected with a diesel generator, and a pipeline heater is installed on the gas pipe. According to the anti-freezing device, high-pressure gas is injectedinto the water well body by arranging the high-pressure gas pump, high-pressure bubbles are formed in water body, and are heated by the pipeline heater, so that the high-temperature and high-pressurebubbles are seethed in the water body, and the problem of water freezing of the water body in the water well body is effectively reduced.

The invention relates to a low temperature fresh micro-freezing liquid and a micro-freezing method and applications, belonging to the technical field of product preservation. The low temperature freshmicro-freezing liquid is composed of the following components: sodium chloride, glycerol, erythritol, water, and auxiliary additives. The micro-freezing method comprises the following steps of: preparing the micro-freezing liquid from the sodium chloride, glycerol, erythritol, water, and auxiliary additives according to a ratio, placing the micro-freezing liquid in a micro-freezing tank, puttingan object to be frozen into the micro-freezing liquid for 1.5-2.5 hours After the temperature of the micro-freezing liquid drops to minus 5 - minus 38 DEG C, and transferring the frozen object to a heat preservation tank for storage. The low temperature fresh micro-freezing liquid can maintain quality, color, texture and related sensory indexes of all kinds of products, reduce the formation of icecrystal in the product tissue during freezing at low temperature, inhibit enzyme activity and propagation of spoilage microorganisms in the tissue, and can better maintain integrity of product tissuecells.

The invention provides a water heater for a railway train. The water heater comprises a water boiling container, a water conveying pipeline, an electric heating element, a water flow control device, an emptying device and an electric control device; the water boiling container and the electric heating element form an instant heating type electric heating water pipe; the water flow control device is arranged on a water conveying pipe; the emptying device is arranged on the water conveying pipeline, is used for emptying water in the water boiling container and the water conveying pipeline when needed and comprises a tee joint, an emptying pipe and an emptying valve; a flame-retardant thermal insulation layer is arranged on the periphery of each of the water boiling container and the electricheating element; a fireproof and explosion-proof shell is arranged on the periphery of the flame-retardant thermal insulation layer; and the electric control device is used for controlling the on-offstates of a power supply of the electric heating element, the water flow control device and the electric emptying valve. According to the water heater, the structure is improved, so that the technical problems that in the prior art, the frost crack damage is easily caused at extremely low temperature, potential safety hazards exist due to insufficient consideration of the fire-proof and explosion-proof conditions, and the influence on a water heater is caused due to the fact that the situation that the boiling points of water is different when the train is driven into a high-altitude area isnot considered can be solved.

The invention discloses a shield type national defense glove, relates to the technical field of auxiliary instruments, integrates multiple functions, can achieve a better warm-keeping effect and a better protective effect, can achieve more functions, and is very convenient to use. The shield type national defense glove is characterized by specifically comprising a primary glove and a secondary glove, wherein each of the primary glove and the secondary glove is provided with a light-emitting assembly, a fixing band, a poking piece, a hook, a magnetic device and an electric shock device; the primary glove and the secondary glove are partially or wholly provided with heating layers, rubber layers, asbestos fiber layers and carbon fiber layers; and a mobile power supply is further arranged onthe glove and electrically connected with the light-emitting main parts and the electric shock devices. The shield type national defense glove provided by the invention is simple in structure and goodin use effect, and has very good practicability and generalization performance.

The invention relates to anti-freezing equipment for a lubricating system and an oil supply system of a vehicle. In one embodiment, a protective layer is formed outside pipelines of the lubricating system and the oil supply system of the vehicle and tanks containing lubricating oil and petrol, and vacuum is formed or is not formed between the protective layer and the pipelines and between the protective layer and the tanks. In another embodiment, protective layers are formed outside the pipelines of the lubricating system and the oil supply system of the vehicle and the tanks containing the lubricating oil and the petrol; a protective layer is also formed outside a water tank of the vehicle; all the protective layers are mutually communicated to form a whole; a pipe is arranged to be communicated with the protective layers; and the position of an outlet of the pipe is higher than the position of the water tank and the positions of all the protective layers. On the morning of bitter cold days, hot water is added via the outlet of the pipe. After the vehicle is started, water in the water tank of the vehicle is heated, water in the integrated whole of the protective layers is heated through heat exchange, and then, oil cannot be frozen no matter how cold the weather becomes.

The invention provides anti-crack and anti-freeze concrete and a preparation method thereof. The preparation method comprises the following steps: (A) mixing sodium gluconate, sodium dodecyl benzene sulfonate, a water reducing agent, soluble inorganic salt, methyl alcohol and water, so as to prepare M1; (B) crushing aggregates into particles with a particle size less than 20 mm; (C) under a stirring condition, mixing and stirring the M1, the crushed aggregates, cement, coal ash, fiber and water to prepare the anti-crack and anti-freeze concrete. The problem of relatively low building quality due to phenomena of frozen cracks of the concrete under a relatively low temperature condition and the like is solved.

The invention provides an ecological toilet row structure which comprises a ventilation system, a filter system, a storage system, a control system and a plurality of bedpan systems, flushing water flowing out of the bedpan systems flows into the filter system, excrement and urine in the bedpan systems respectively enter the storage system, and the control system is in signal connection with the ventilation system and the bedpan systems. According to the ecological toilet row structure, a row courtyard-type building is redesigned based on the ecological toilet, and then differentiated storageand treatment of excrement, urine, flushing water and toilet articles from the source are achieved; the source separation of excrement and urine and the separation of urine and flushing water are achieved, the purpose of wastewater discharge reduction is achieved to the maximum extent, subsequent excrement and wastewater treatment loads are effectively reduced, and the ecological toilet row structure is free of secondary pollution, odorless, good in sanitary condition and wide in application range.

The invention relates to an anti-freezing method and an anti-freezing control device, and the method comprises the steps: detecting the environment temperature of heat exchange equipment such as a water heater through an environment temperature detection module, obtaining an environment temperature value, and transmitting a detection result to a determination module; the determining module controls the starting module to start the corresponding electric heating device according to different environment temperature values, so that different anti-freezing working modes are accurately entered, effective anti-freezing can be achieved in a targeted mode, the anti-freezing efficiency is high, and energy consumption can also be reduced.

The invention discloses an anti-rat and termite and anti-freeze pressure-proof cable, which comprises a conductor, an insulating layer, a heat-conducting layer 1, a heating layer, a heat-conducting layer II, a fire-retardant layer, an isolating layer, capsule particles, a protective sheath, reflecting strips and light-emitting lines, wherein the insulating layer extrudes and coats the outside of the conductor; the heat-conducting layer I extrudes and coats the outside of the insulating layer; the heating layer extrudes and coats the outside of the heat-conducting layer I; the heat-conducting layer II extrudes and coats the outside of the heating layer; the fire-retardant layer extrudes and coats the outside of the heat-conducting layer II; the isolating layer extrudes and coats the outside of the fire-retardant layer; the protective sheath extrudes and coats the outside of the isolating layer; air pipes are arranged in the isolating layer; and an inert gas is arranged in each air pipe. The cable disclosed by the invention has the anti-freeze and anti-rat and termite advantages and the like.

The invention discloses an anti-freeze flat plate solar collector and a design method thereof. The design method is characterized by determining the thickness of phase change energy storage material through the local meteorological data. According to the anti-freeze flat plate solar collector, phase change energy storage plates are regularly and tightly arrayed between a heat absorbing plate and an insulated layer; a baffle plate is arranged in each phase change energy storage plate along the length direction; a temperature sensor and a temperature controller are arranged at the upper and lower surfaces of the phase change energy storage plate at the solar collector outlet. When the temperature of the heat absorbing plate is lowered to the phase change temperature of the phase change energy storage material, energy storage materials in the phase change energy storage plates generate phase change and release latent heat to prevent the temperature reduction so as to achieve freeze resistance. When meeting extreme weather, a temperature controller starting pump can be used for resisting freeze forcibly and circularly. The anti-freeze device is simple in structure, safe and reliable, the heat loss is low, and the damage to the flat plate solar collector due to icing can be avoided effectively.

The invention discloses a water meter capable of removing ice during icing. The method is characterized in that a motion device used for destroying water balance is arranged in a water meter shell, whether freezing is formed at the position where the motion device is arranged or not is detected, and if yes, the motion device is started for removing ice. According to the method and the system, thetechnical problem of how to deice during icing is solved.