32 results about "Frost weathering" patented technology

The invention discloses an evaporator dedusting and defrosting system of an air source heat pump. The system comprises a bracket, an upper shaft, a lower shaft, two hollow lifting pipes, a lifting motor, a rotary motor and an air heater and is characterized in that the upper shaft and the lower shaft are fixed on the bracket; upper chain wheels are arranged at two ends of the upper shaft; lower chain wheels are fixed at two ends of the lower shaft; the upper chain wheels and the lower chain wheels carry out transmission through chains; the lifting pipes are fixed on the chains; bristles are fixed on the outer surfaces of the lifting pipes; vent holes are uniformly formed in the outer surfaces of the lifting pipes; air outlets of the air heater communicate with inner cavities of the lifting pipes via a breather pipe; and the lifting motor drives the lower shaft to rotate to drive a chain transmission system to drive the bristles to sweep the surfaces of a coil and fins in a reciprocating manner, and a draught fan is adopted for blowing dust to ensure that an evaporator has excellent heat exchanging efficiency during working. Hot gas sprayed out of the vent holes in the lifting pipes also can be utilized to defrost and deice the surfaces of the coil and the fins, so that the heat exchanging efficiency of the evaporator in frost weather is improved, and energy consumption of the air source heat pump is further reduced.

The invention belongs to the field of wind transducers, and particularly relates to an anti-freezing anemograph. The anti-freezing anemograph comprises a wind cup. The wind cup comprises an outer layer, a middle layer and an inner layer. The outer layer is a flexible solar cell layer. The middle layer comprises a storage cell connected to the flexible solar cell. The inner layer is a wind cup body. One pole of the storage cell is connected with one end of the wind cup body in a conductive mode, and the other pole of the storage cell is connected to the other end of the wind cup body through a mercury column. The storage cell, the mercury column and the wind cup body jointly form a closed vacuum space. A mercury bubble is arranged on the side with the storage cell of the mercury column. The anti-freezing anemograph can prevent influences caused by frost weather on wind speed and direction, can be applied to ice and snow weathers of various places, and is simple in structure, capable of automatically heating the wind cup according to the environmental temperature, good in anti-freezing effect and convenient to maintain.

The invention belongs to the technical field of monitoring equipment, and particularly relates to an outdoor-monitor defrosting method. A system comprises a camera, a center exchanger and a monitoringcomputer, wherein the camera is connected with the monitoring computer through the center exchanger, and comprises a monitoring assembly, a spherical rotatable anti-frost cover is arranged outside the monitoring assembly, and a defrosting assembly and an environment monitoring assembly are arranged at the upper end of the anti-frost cover. The system is different from an existing fixed protectioncover, when the frost weather is detected, the anti-frost cover slowly rotates, defrosting is carried out through the defrosting assembly at the top of the anti-frost cover, and as the rotatable protection cover is adopted, the defrosting assembly can be arranged in a dead zone of the top monitoring assembly, and it is avoided that the defrosting assembly moves in the defrosting process to shieldthe camera; through a mode that heating and defrosting are carried out outside the anti-frost cover, it is avoided that as the internal temperature of the anti-frost cover is over high, hydrosphere is generated, and is coagulated on the inner surface of the anti-frost cover to shield monitoring of the camera.

The invention belongs to the field of wind transducers, and more specifically relates to anemorumbometer in windy, snowy and ice weather. The anemorumbometer comprises a wind cup, a rainproof cover installed on the wind cup and a bracing frame used for supporting the wind cup. The wind cup comprises an external layer, a middle layer and an internal layer. The external layer is a flexible solar cell layer. The middle layer comprises a storage battery connected to the flexible solar cell. The internal layer is a wind cup body. An electrode of the storage battery is in contact connection with the wind cup body in a conductive mode, and another electrode of the storage battery is connected to the wind cup body through a mercury column. The storage battery is connected to an electrode of the mercury column. The mercury column and the wind cup body together form an enclosed vacuum space. One side, positioned near the storage battery, of the mercury column is with a mercury bulb. The anemorumbometer can prevent influence on the wind speed and wind direction by frost weather, can be applied to ice and snow weather at any place, and is simple in structure, good anti-freezing effect and easy to maintain.

The invention discloses a frost heaving resistance device for an embankment project. The frost heaving resistance device comprises a sealing plate, the interior of the sealing plate is divided into at least four independent cavities through at least three supporting plates, and a steam generator is arranged at the bottom of the sealing plate. The side edge of a power assembly located at the right end of the steam generator is connected with an arc-shaped base plate through a waterproof piston. The left end of the steam generator is provided with a water inlet pipe, and an electromagnetic timing valve is arranged on the water inlet pipe. The upper end of the steam generator is connected with a steam conveying pipe, and steam conveying branch pipes identical with the independent cavities in number are arranged at the right end of the steam conveying pipe. The outer end of the sealing plate is painted with a layer of anti-freezing finishing coat. According to the frost heaving resistance device, by means of the double measures of heat generated by the underwater steam generator needing no manual power supplying and the anti-freezing finishing coat formed by scientific compatibility, freezing of a hydraulic construction structure in frost weather is well prevented, and the hydraulic construction is prevented from being damaged by frost heaving; in addition, the frost heaving resistance device is low in cost, small in power consumption and capable of being used for a long time.

The invention discloses a refining agent for continuous dyeing. The refining agent for continuous dyeing comprises, by mass, 5-20 parts of seconary alkane sulphonate sodium, 10-40 parts of (heterogeneous) fatty alcohol-polyoxyethylene ether, 5-10 parts of heterogeneous fatty alcohol polyoxyethylene, 5-10 parts of chelation dispersing agent, 1-5 parts of caustic soda and 15-74 parts of deionized water. The refining agent has the excellent in low-temperature flowing performance, is not frozen when the refining agent is stored in frost weather even if the solid content is high, extremely high infiltration capacity and extremely suitable for continuous tie drying, and high production efficiency can be achieved; meanwhile, the refining agent for continuous dyeing is low in foam content and has the foam inhibition capacity to a certain extent, and the risk that oil spots appear when additive silicon or oil antifoaming agents are used in the poor water quality environment is avoided.

The invention discloses an anti-freezing intelligent water meter. The anti-freezing intelligent water meter comprises a sealing pad, a first cavity, a casing, a second protecting device, a first protecting device and a water inlet pipe. By means of arrangement of the sealing pad, the sealing effect of a meter cover on the casing top and an observation window is improved, the anti-freezing and heat-insulation effects on the casing top and the observation window in frost weather are improved, and equipment practicability is improved; the anti-freezing and heat-insulation effects of inside of thecasing are realized by filling the first cavity with sponge and other heat-insulation materials, the condition of freezing of parts in the casing in frost weather is further avoided, normal use of equipment in the frost weather is guaranteed, and anti-freezing and heat-insulation performance of the equipment is improved; nesting of a water outlet pipe is realized by the second protecting device and the first protecting device, so that the protective heat-insulation effect on the water outlet pipe in the frost weather is realized, the condition of freezing in the water outlet pipe is further avoided, and the equipment practicability is improved.

The invention provides a frost-weathering construction method of channel lining concrete. The frost-weathering construction method comprises the following steps of: leveling a concrete surface; vibrating the concrete by using a plate vibrator until grout is formed on the surface; removing excess water in the concrete by using a vacuum hydro-exhaustion machine; stopping the vacuum hydro-exhaustion machine; revibrating the concrete by using the plate vibrator; revibrating the concrete to extract the grout before the initial condensation of the concrete; manually plastering to finish the surface; covering a moisturizing film on the surface; heating and maintaining the concrete surface by adopting a mobile infrared ray heating beam; and watering to moisturize and maintain the concrete surface so as to complete the frost-weathering construction of the channel lining concrete of the channel. The frost-weathering construction method is applicable to the channel lining concrete with large area and thin thickness; and when the frost-weathering construction method is adopted, both frost thawing resistance and frost heaving resistance of the channel lining concrete can be improved, the time of peeling the frosted surface of the concrete can be prolonged, and compactness and strength of the concrete can also be increased; and moreover the frost-weathering construction method has the advantages of simplicity in operation as well as low difficulty and quickness in construction, can be used for greatly accelerating the construction progress, and is slightly affected by environmental factors as a construction process in a special season.

The invention relates to a multifunctional atmosphere data sensor. The sensor provided by the invention is mounted on the outer wall of an air vehicle and integrates total pressure, static pressure, attack angle and static temperature detection. The sensor provided by the invention is compact in structure, convenient to mount and low in weight. The sensor provided by the invention can make primarytreatment on collected atmosphere data and then the atmosphere data subjected to treatment can be transmitted to an atmosphere data computer or a flight control computer through a bus directly, so that a problem of pressure pipeline transmission delay is avoided. The sensor provided by the invention can be used for deicing through heating and the heating temperature can be controlled through a built-in sensor, so that use reliability in rainy, snowy and frost weather can be ensured.

The invention belongs to the technical field of agricultural production and discloses a sowing time and density management method and system in early-autumn wheat cultivation without irrigation. In the method, early-autumn wheat growing period, economic characters and stem tiller trend are analyzed, yield components of comprehensive characters of effective panicles, ear grains and thousand kernelweight are analyzed, and the sowing time is (from 20th August to 10th September) ( 30-40 days earlier as compared with that in the prior art); wheat seedlings are in abundant rainfall from seedling tocutoff, frost weather is staggered during the booting and flowering periods, and heat-forced maturity from pulp filling to maturity periods; the density is in 200-250 thousand per mu. The effective panicle, maturing rate, thousand kernel weight and the like can be effectively increased by relying on ear bearing of main stems, and the yield is significantly higher than that of wheat under existingconditions.

The invention aims at providing a carbon dioxide ground source type geothermal system which saves energy and is environment-friendly, simple in structure and suitable for frost weather in north part. The carbon dioxide ground source type geothermal system comprises a carbon dioxide transcritical compressor, an oil separator, a coiler, a heat regenerator, an expansion valve, a U-shaped pipe and a gas-liquid separator; an outlet of the carbon dioxide transcritical compressor is connected with the oil separator, the oil separator is connected with the coiler, and the coiler is connected with the heat regenerator; one side of the heat regenerator is connected with the expansion valve and an inlet of the U-shaped pipe embedded in the ground, and the other side of the heat regenerator is connected with an output opening of the U-shaped pipe embedded in the ground and the gas-liquid separator; and the outlet of the gas-liquid separator is connected with the carbon dioxide transcritical compressor.

The invention belongs to the technical field of the monitoring equipment, and especially relates to a public security monitoring frost prevention system. The system comprises cameras, a center switchand a monitoring computer; the cameras are connected with the monitoring computer through the center switch; each camera comprises a monitoring assembly, a spherical rotatable frost prevention cover is arranged at the external of the monitoring assembly, a frost removing assembly and an environment monitoring assembly are arranged at the upper end of the frost prevention cover. Distinguished fromthe existing fixed protection cover, the frost prevention cover can slowly rotate when detecting the frost weather, the frost is removed through the frost removing assembly at the top of the frost prevention cover; the frost removing assembly can be arranged at the blind area of the top monitoring assembly by adopting the rotatable protection cover; the condition that the camera is shielded due tothe movement of the frost removing assembly in the frost removing process can be avoided; and a way for removing frost through heating at the external of the frost prevention cover is adopted, the condition that the monitoring of the camera is shielded since the steam produced due to excessive internal temperature of the frost prevention cover is condensed on the inner surface of the frost prevention cover is avoided.

The invention provides an anti-freezing low-temperature-resisting traffic marking material and a preparation method thereof. The traffic marking material comprises the following components in parts by weight: 10-18 parts of polyester resin, 10-18 parts of rosin glycerol ester, 5-15 parts of polytetrafluoroethylene, 8-14 parts of poly(p-xylylene), 6-10 parts of modified polypropylene, 4-5 parts of quartz powder, 4-5 parts of glass bead, 1-3 parts of tung oil and 20-30 parts of ethylene glycol ether. The traffic marking material provided by the invention has excellent low temperature resistance, anti-cracking property and freeze thawing stability, can stand the test under frost weather and sudden cold and heat extreme weather and can keep excellent weather fastness.

The invention discloses a flower cultivating container, which comprises a flowerpot main body and a flower protecting device; the flowerpot main body comprises a flowerpot outer shell and a flowerpot liner; a moisture slow release interlayer is arranged between the flowerpot liner and the flowerpot outer shell, and strong water-absorbing resin is arranged in the moisture slow release interlayer; the side wall and the bottom wall of the liner are provided with permeable micropores; the flowerpot main body comprises an inner wall of the outer shell, an outer wall of the outer shell and a water storage hollow cavity between the outer wall and the inner wall; several water absorbing root hairs are penetrated at the bottom part of the inner wall of the outer shell, and the top parts of the water absorbing root hairs are placed in the moisture slow release interlayer; the water storage hollow cavity is placed in the bottom part; a water injection opening is arranged on the flowerpot outer shell, and a water injection pipeline is connected to the water injection opening; the flower protecting device is fixed on the flowerpot outer shell. The flower cultivating container has the function of automatically supplying water, and avoiding dead seedlings caused by water shortage of the flowerpot; the flower protecting device can prevent the flowerpot from damaged by fierce wind and frost weather.

The invention belongs to the field of wind direction sensors, and particularly relates to an anemoclinograph for a frozen area, which comprises a wind cup, a supporting frame supporting the wind cup, a supporting frame base and a battery, wherein the wind cup is arranged on the supporting frame via a connector in a rotatable mode, the wind cup is manufactured by a heat conduction material, and the connector is manufactured by an electric heating material; the supporting frame is arranged on the supporting frame base, the supporting frame is internally provided with two wires, one ends of the two wires are connected with the positive electrode and the negative electrode of the battery respectively, and the other ends of the two wires are respectively in contact connection onto two ends of the connector; the battery is arranged inside the supporting frame base; and the supporting frame base comprises a connection part and a plurality of drills arranged at the bottom end of the connection part. Thus, influences on the wind speed and the wind direction by the frost weather can be prevented, the anemoclinograph can be applied to the snow and ice weather in each area, the anemoclinograph can exist stably after freeze dissolution, the structure is simple and the maintenance is convenient.

The invention discloses a cultivation method for off-seasonal greenhouse physalis pubescens. The method comprises the steps of greenhouse construction, seed soaking, seedbed soil preparation, seedling heeling in temporary planting, seedling management, soil preparation, base fertilizer application, field planting, temperature control, field management and the like. According to the method, system regulations for technical operations adapt to a fact that crops normally finish the whole growth period under improper external environmental conditions such as frost weather and the like, an industrial method for high-quality fruits is implemented, the control on fertilizer, temperature, moisture, humidity, light and seedling age in different growth periods is successfully realized, the yield is increased, early mature is promoted, a good effect is achieved, the problem that the physalis pubescens cannot be cultivated in a greenhouse is solved, and the physalis pubescens comes into the market in advance.

Provided is a novel construction method adapted to the frost weather and used for spinning, extruding and expanding a thread pile. A concrete conveying pipe arranged in a drilling rod is omitted. An output pipe of a concrete pump car is directly placed in a protective pipe arranged in a pile well for concreting, so that the external distance of concrete conveying is shortened effectively, and the technical problem that normal construction fails because of freezing and blocking of concrete in the conveying pipe due to the frost weather is avoided.

The invention relates to a low-temperature remote early warning system for monitoring a power transmission and transformation grid. The low-temperature remote early warning system comprises the power transmission and transformation grid and a grid support. The grid support is provided with a remote low-temperature monitoring device and a wireless receiving terminal for receiving alarm signals. By means of the scheme, a function of the power transmission and transformation grid for remotely and early warning low temperature of frost weather is achieved. By means of the scheme, due to a preferential timing module and a preferential electronic temperature displayer of the whole remote early warning system, the function of giving an alarm for a certain state of continuing correct early warning even when a temporarily-set early warning temperature is not reached can be achieved, and the measured temperature is displayed all the time so that people can visually observe the temperature.

The invention discloses a tea orchard meteorology temperature inversion dynamic monitoring method, comprising a temperature monitoring post positioned inside a tea orchard; 7-15 temperature monitoring points are successively arranged in a range of 15m on the post which are started from the ground to the upward in the vertical direction for dynamic monitoring inversion temperature generated in the tea orchard in the frost weather. The temperature monitoring of the invention comprises steps of choosing one or multiple points which can best represent the tea orchard environment temperature in the tea tree, arranging a temperature monitoring post inside the orchard, arranging 7-15 monitoring points for monitoring temperature in the height range of 15m of the post, and using a temperature recording instrument or a temperature monitoring instrument to perform real-time monitoring on the temperature above the orchard. The invention provides convenience to the later orchard temperature regulation and control and then realizes the monitoring of the environment temperature of the tea orchard.

The invention relates to the technical field of tea plantation and discloses a method for high yield and high quality plantation of Huoshan cerebral liquid. The method comprises the following steps of (1) selecting proper terrain and soil during tea garden construction to provide proper illumination time and illumination strength for growth of tea, utilizing decomposed cake fertilizers and green manure to guarantee proper and mild fertile during the growth of tea trees, thereby greatly improving output over the years and rationalizing component proportions of the tea, (2) planting pawpaw trees in the middle of trenches to stabilize the tea trees and prevent storm wind and rain for the tea trees and to enable the tea trees to grow in a healthier way, hanging insect trapping lamps on the pawpaw trees to reduce insect prevention cost and to provide healthiness and avoid poisonousness, utilizing a fumigation way upon wind and frost weathers to prevent freeze injuries for the tea trees, and (3) topdressing and trimming during the growth of tea trees, managing alternation of new and old tea tree branches, handling with a cooperative relationship between fertile and the tea tree leaves to improve tea quality.

The invention discloses a blasting process for vertical shaft construction, and in particular relates to a medium-length hole blasting process suitable for rapid construction when vertical shafts are constructed in frozen weathered bedrock sections, frozen gravel layer sections and frozen calcareous clay sections. The method comprises the following process steps of 1: drawing a blast-hole coordinate position graph and numbering every blast hole; 2: determining the diameter and depth of every blast hole; 3: drilling according to the coordinate position and specified diameter and depth of everyblast hole; 4: determining the charging uncoupling factor of every blast hole and the diameter of explosive cartridges; 5: determining the length of the explosive cartridges according to the quantityof explosives used for the blast holes; 6: packing the explosives according to the quantity of explosives used for the blast holes; 7: installing priming detonators in the blast holes; 8: determiningthe segment number of the detonators according to the blasting sequence of the blast holes and using detonator priming conductors and a priming apparatus to connect all the priming detonators according to the segment number of the priming detonators; 9: plugging the blast holes; and 10: pressing the priming apparatus to initiate explosion after personnel are evacuated.

The invention discloses an automatic-defrosting type solar water heater used in a region with low sunlight intensity. The automatic-defrosting type solar water heater comprises a heat concentration pipe, a water tank, a water outlet pipe and a power supply, wherein an electric heating wire is spirally wound on the outer circumference of the water outlet pipe outside a water outlet of the water tank, wherein the electric heating wire is connected with a storage battery; a temperature sensor for controlling the electric heating wire to work is also arranged on the water outlet pipe; and a heat insulation layer covers outside the electric heating wire. After the automatic-defrosting type solar water heater is adopted, when the weather temperature is lower than zero DEG C, the temperature sensor is switched on to form a loop, the electric heating wire works; and when the temperature rises to 4 DEG C, the temperature sensor is disconnected from the loop, the electric heating wire stops working, and therefore the solar water heater can also work normally even in frost weather at southwest regions in China without blocking phenomenon caused by frosting. The automatic-defrosting type solar water heater disclosed by the invention has the advantages of simple structure, low cost, easiness in installation and working stability and reliability.