846results about How to "Promote energy conservation and environmental protection" patented technology

The invention relates to an automatic parking system based on a mobile robot trolley. The automatic parking system is mainly and technically characterized by comprising a parking lot, the mobile robot trolley and a parking lot intelligent control system, wherein a plurality of rows of parking spaces, a plurality of lines of parking spaces and mobile robot trolley rotating spaces are arranged on the ground of the parking lot, a non-rail type vehicle guide device is paved on the ground of the parking lot, a vehicle access chamber and a center control chamber are arranged in the parking lot, the parking lot intelligent control system is arranged in the center control chamber and is connected with the mobile robot trolley and the vehicle access chamber, and the mobile robot trolley supports vehicles to be accessed for realizing the vehicle access through being controlled by the parking lot intelligent control system. The automatic parking system has the advantages that the design is reasonable, and the flexible dispatching on the vehicles to be accessed and the flexible vehicle access can be carried out through the mobile robot trolley and the corresponding control system, so the functions of high-density storage, fast response and safe service are realized, and the automatic parking system has the characteristics that the building and maintenance cost is low, the access is convenient, the energy is saved, the environment is protected, and the like.

The invention discloses an ultra-microporous lightweight insulated firebrick and a manufacture method thereof. The ultra-microporous lightweight insulated firebrick is prepared by the following raw materials in percentage by weight: powder mainly comprising 50-70 Al2O3 and SiO2, 5-10 expanding agent, 25-40 caking agent and 0.2-1.0 external foaming agent. The manufacture method comprises the following steps: uniformly mixing and stirring the raw materials into pasty material; mixing the foaming agent and water according to a ratio of 1: (15-20); adding the mixture to the pasty material to mix uniformly; then, casting into brick blanks; and drying and keeping the brick blanks at a temperature of 1200-1600 DEG C for 6-8 hours. The firebrick has the advantages of high compressive strength, low coefficient of heat conductivity and low linear change ratio and can be directly used for a fireproof coating of thermal equipment so that the product has the lightweight insulation and fireproofness functions and good insulation effect and is beneficial to energy saving and environmental protection. Compared with the prior art, the invention has obvious economic benefits.

The invention discloses a chemical foamed concrete and a preparation method thereof. The concrete product is prepared by using a cementing material, a foaming agent, a compounded additive and water as raw materials through a chemical foaming principle, and the added compounded additive realizes stable foaming speed stability, uniform bubble diameter and controllability. The chemical foaming preparation method has the advantages of simplicity, low production investment cost, and convenient construction. The foamed concrete product prepared in the invention has the advantages of fireproof property, waterproof property, sound insulation, heat insulation, light weight, high compressive strength and environmental protection. The bulk density, the compressive strength and the heat conduction coefficient of the obtained product are less than 400kg / m<3>, more than 3.5MPa and less than or equal to 0.07W / (M.K) respectively. The above formula adopting alkaline ash comprising alkaline furnace ashes, alkaline slag, alkaline furnace slag and other wastes as raw materials realizes comprehensive utilization of resources, changes wastes into valuables, and accords with the demands of sustainable development of national circular economy.

The invention relates to a method for preparing an aluminum foil for a lithium battery and belongs to the technical field of machining of aluminum alloy materials. The method for preparing the aluminum foil for the lithium battery includes the steps of performing smelting and cast rolling processes: heating and smelting raw materials of the aluminum foil for the lithium battery to form an aluminum alloy melt, sequentially carrying out refining slagging-off, grain refining, degassing deslagging and filtration treatment and subjecting the filtered aluminum alloy melt to continuous cast rolling to form a blank; performing a cold rolling process: subjecting the blank to cold rolling firstly and then to primary annealing treatment, rough rolling and secondary annealing treatment; performing foil pressing treatment: carrying out finish rolling on the annealed aluminum foil, and finally slitting the foil to obtain the aluminum foil finished product for a lithium battery finished product. According to the method for preparing the aluminum foil for the lithium battery, composition segregation in the process of alloy cast rolling is improved through added uniform annealing treatment; an original cast rolling structure is improved so that the product with uniform constituents and structure and stable performances can be obtained; moreover, the performances of the aluminum foil for the lithium battery can be improved.

The invention discloses a construction method of a circular reinforced concrete chimney cylinder wall, and a hydraulic sliding mould device, wherein a hydraulic sliding mould construction method is a rapid construction method of dynamically and continuously molding concrete; loads such as an operation platform and a template are completely supported on a support rod which is stabilized by low-age concrete and has small rigidity; the operation platform and the template are driven to climb along the cylinder wall by a hydraulic jack; and the hydraulic jack climbs on the support rod by an oil path system. The hydraulic sliding mould construction employing the sliding mould as an external cylinder wall and building a lining adopts an ''outside sliding and inside building'' construction process featured by synchronously constructing the external cylinder wall and the lining. The hydraulic sliding mould construction is featured by dynamic continuous construction, having fast construction speed in comparison with mould reverse, symmetrically distributing the hydraulic jack on the circumference of the chimney cylinder wall, forming the template by combining a fixed template with a moveable plate and a contracting and separating template, convenient to assemble and dismount as well as regulate the diameter and the circumference of the combined template structure, capable of gradually decreasing the diameter and the circumference of the combined template structure along with the diameter change of the chimney diameter. The hydraulic sliding mould construction is advantaged in few invested construction operators and convenient management.

The invention relates to an LED constant current driving circuit which comprises a rectifying circuit (100), a decompression voltage stabilization circuit (200) connecting with a DC output end of the rectifying circuit (100), a constant current circuit (300) including a control module U2, a control circuit (400) using software to change and control the current output by the constant current circuit (300), and an LED load circuit (500); wherein the control circuit (400) comprises a singlechip U1 and a control switch S2; a current detection end of the control module U2 in the constant current circuit (300) is connected with a load, and a regulation end thereof is connected with the control circuit (400), so that constant current control can be provided for an LED. When differential pressure between input and output of the LED constant current driving circuit is high, stable and reliable current still can be output, and the output current can be controlled by the software, so that the LED constant current driving circuit is applicable to multiple application requirements, and has the advantages of simple circuit, higher electrical efficiency, and being beneficial to energy conservation and environmental protection.

The invention discloses a motor synchronous modulation method and a control system thereof. Under the offline state, the optimization calculation on the switching angle of an inverter is carried out according to the total harmonic loss of the motor; the modulation ratio is taken as an independent variable; m switching angles (Alpha1, Alpha2,..., Alpha m) corresponding to the modulation ratio are worked out by the optimization algorithm; the modulation frequency division number obtained by the m switching angles is 2m+1; the m switching angles are used as a data table memorized in a memory; during the working process, according to the target modulation ratio, the m switching angles can be obtained by searching the data table, thus carrying out conduction control on the inverter switch device. By adopting the method and the technical scheme described by the control method, the running track of the motor magnetic chain can be a regular polygon so as to reduce the output current harmonicsof the inverter, thus improving the control performance of the transmission system.

The invention discloses a vehicle emergency rescue interactive method and system on basis of a cloud server. The method comprises the steps: a vehicle rescue service is started by an intelligent mobile terminal; the intelligent mobile terminal sends the GPS (Global Positioning System) coordinates of the current position of a breakdown vehicle and vehicle identification information to the remote network cloud server by a wireless network; the network cloud server obtains the circumjacent maintenance point information of the current position of the breakdown vehicle through inquiring a vehicle maintenance point database according to the GPS coordinates of the current position of the breakdown vehicle and the vehicle identification information; the cloud server sends the circumjacent maintenance point information to the intelligent mobile terminal by the wireless network; an optimum maintenance point is selected from the circumjacent maintenance point information by the intelligent mobile terminal; the intelligent mobile terminal contacts with the optimum maintenance point to perform vehicle rescue. By using the vehicle emergency rescue interactive method and system on basis of the cloud server, the time of the vehicle waiting for rescue is shortened, energy-saving and environment-friendly effects are realized, and the vehicle using cost is reduced.

A ribbed steel bar truss concrete superimposed sheet and a ribbed steel bar truss concrete construction method comprise a prefabricated layer and a superimposed layer. The prefabricated layer comprises a steel bar truss net and a concrete layer arranged on the lower portion of the prefabricated layer. A steel bar truss is composed of a lower chord steel bar, an upper chord steel bar and a web member steel bar connecting the lower chord steel bar and the upper chord steel bar. The steel bar truss net is composed of the steel bar truss, an additional steel bar shelved on the lower chord steel bar and vertical to the steel bar truss and a longitudinal steel bar in the lower portion of the prefabricated layer and parallel to the lower chord steel bar of the steel bar truss in the same plane. A plurality of concrete ribs are arranged on the upper end face of the concrete layer along the longitude direction and arranged in parallel. The superimposed layer is a cast-in-place concrete layer arranged on the prefabricate layer. A steel rib net is buried in the superimposed layer. The superimposed layer is connected with the upper chord steel bar in the steel bar truss of the prefabricate layer. The superimposed layer comprises an upper longitudinal bar and the additional steel bar vertical to the upper chord steel bar, and poured into a whole with the upper chord steel bar in the steel bar truss of the prefabricate layer and the web member steel bar. The ribbed steel bar truss concrete superimposed sheet and the ribbed steel bar truss concrete construction method have the advantages of being reasonable in steel bar overall arrangement, good in economy, convenient to hoist and transport, and effective in solving problem of sheet joint cracking.

The invention relates to a light source of an LED (light-emitting diode) insect killing lamp with multiple crest optical spectrums, belonging to a semiconductor LED (light-emitting diode) light source and the application field thereof. The light source comprises a lamp holder, a transparent light tube and a metal heat dissipating column arranged in the transparent lamp holder; an LED (light-emitting diode) metal base printed circuit board on which a luminescent device is surface-mounted is arranged on the metal heat dissipating column; the metal heat dissipating column is a regular polygon hollow cylindrical surface body; a regular hexagon is preferably used as the cross section of the metal heat dissipating column; the spectrum range of the light source is in the range of 320-650nm; the number of the crests of the light spectrum is 6; and the crests have different luminous colors and comprise an ultraviolet LED (light-emitting diode), a blue light LED (light-emitting diode), a green light LED (light-emitting diode), a green yellow light LED (light-emitting diode), a yellow light LED (light-emitting diode) and an orange red light LED (light-emitting diode) which are different in main wavelength. The radiation efficiency is increased from 12% of a black light lamp to 20%; and therefore, the Light source has the advantages of saving the energy source consumption, being beneficial to energy saving, environmental friendliness and having low cost. The service life of the light source is prolonged to ten thousand hours; the angles of light beams are increased from 120 degrees of an LED (light-emitting diode) luminous element to 360 degrees of the LED (light-emitting diode) light source so that the whole light spectrum trapping on different types of insets at different growth stages is effectively realized.

The invention discloses a glaze material of a high temperature fast firing crystal glaze archaized brick and preparation process thereof. Raw material types of crystal glaze are few and wide in sources. A preparation method of the crystal glaze archaized brick is simple, traditional crystal glaze complex process and specific firing rules are broken through, the crystal glaze archaized brick can be obtained through once firing, operability is good, energy is saved, environment is protected, and firing cost is reduced. By adjusting proportion of glaze material components and colorants and the process method, crystal glaze with different colors and crystal flowers in different sizes are obtained through firing, glaze is light, a few needle holes exist occasionally, and firing yield reaches more than 92%.

The invention relates to a steel-plastic composite pipe spraying device, which comprises an electrostatic spraying system for spraying the outer surface of a steel-plastic composite pipe, an inner powder spraying system for spraying the inner wall of the steel-plastic composite pipe, a pre-heating system, a solidifying system, a transportation system and an electric control system for controlling the entire device, wherein the pre-heating system consists of a pre-heating furnace, a pre-heating system fan and a pre-heating system heater, which are connected with the pre-heating furnace; the solidifying system consists of a solidifying furnace, and a solidifying system fan and a solidifying system heater, which are connected with the solidifying furnace; the transportation system consists of a feeding bracket, a discharging bracket, and a pre-heating system transportation track and a solidifying system transportation track, which hare driven by a motor, and a translation bracket for controlling the steel pipe to move among the pre-heating system, the solidifying system, the electrostatic spraying system and the inner powder spraying system, the pre-heating system is arranged behind the feeding bracket, the electrostatic spraying system and the inner powder spraying system are arranged between the pre-heating system and the solidifying system, and the discharging bracket is arranged behind the solidifying system. The steel-plastic composite pipe spraying device has the advantages of reasonable structure, high automation and high efficiency, has good powder spraying effect, can realize the automatic, continuous and stable production, and has good energy conservation and environmental protection as well as good economic benefit.

The invention discloses a method and system for controlling energy conservation of a Home (e) NodeB (H(e) NB), an H(e) NB and a network element. The method comprises the following steps that: an H(e) NB determines to enter an energy-saving sleeping state; the H(e) NB sends energy-saving state information to an associated network element and enters the energy-saving sleeping state, wherein the energy-saving state information includes an identity of a cell that the H(e) NB is located at and an access mode of the H(e) NB; the associated network element preserves the energy-saving state information; when it is determined that a user wants to be switched to the cell that the H(e) NB is located at, the H(e) NB is activated according to the energy-saving state information. According to the invention, a problem of lots of power consumption of an H(e) NB is solved and it is beneficial for energy conservation and environmental protection. Moreover, the utilization of the method dose not influence normal switching of a user to a cell that the H(e) NB is located at, thereby not influencing user experience.

Disclosed is an NFC (near field communication) based wireless charging control management system which comprises a mobile intelligent electronic device and a wireless charger. The mobile intelligent electronic device comprises a processing module, an NFC module, a wireless charging receiving module and a rechargeable storage battery. The wireless charger comprises a processing unit, an NFC unit, a wireless charging sending unit and a power supply unit, the processing unit supplies electric energy to the wireless charging sending unit when detecting that communication connection is established, the wireless charging receiving module is used for receiving electromagnetic energy and converting the electromagnetic energy to charging electric energy so as to charge the rechargeable storage battery, and the processing unit controls the power supply unit to stop supplying power to the wireless charging sending unit when detecting that charging connection is off. By the system, great convenience and optimal personalized and human-friendly experience are brought to a user. The invention further relates to a wireless charging control method and system, and a wireless charging application management method and system.

The invention relates to a method for processing liquid fuel oil by using waste oil. The method comprises the following steps of: in part by weight, weighing 40 to 50 parts of waste metal processing oil, 20 to 30 parts of waste emulsifying oil and 20 to 40 parts of waste lubricating oil, and stirring the components uniformly and sufficiently to obtain mixed oil; adding a cationic surfactant and concentrated sulfuric acid into the mixed oil, performing emulsion breaking, and filtering the mixture to eliminate heavy metals and other impurities; adding diatomaceous earth into the mixture to perform adsorption bleaching, and performing filter pressing to separate liquid and a solid mixture; adding isopropanol to separate out oil and water; and adding a flash point modifier and an antioxidant into the separated oil, and modulating the mixture to obtain the liquid fuel oil. The method has a simplified process, can be performed at normal temperature and generates fewer waste products; the waste oil can be combusted sufficiently after being processed, and an exhaust gas contains few harmful gases; and the fuel oil can be widely used as a fuel for power generation by electric power plants, ship boilers, heating furnaces, metallurgical furnaces and other industrial furnaces. The method realizes the full utilization of the waste oil and has good economic and social benefits.

The invention relates to a Purified Terephthalic Acidproduction method with low energy consumption, low material consumption and low refuse discharge. The PTA production method comprises the following steps: tail gas of an oxidation reactor is outputted and passes through by-product steam of a first stage steam generator and is sent to an acetic acid regeneration tower for recycling acetic acid; a refined mother liquor is returned to the acetic acid regeneration tower, the original vacuum filtration filter is replaced by a pressure filter, and filter cakes are directly pulped and supplied to a refining section; through recovered acetic acid recovery extraction, an oxidized mother liquor is processed by extraction, and an acetic acid methyl ester removed tower top backflow liquid of the acetic acid regeneration tower is used for oxidizing, washing filter cakes of the refining section and blending slurries of the refining section. The method and system provided by the invention can effectively control acetic acid consumption in tail gas and waste water, recycle organic matters of the refined mother liquid, realize reuse of water, reduce consumption of steam and electric energy, reduce refuse discharge, and also can supply benzoic acid, mixed phthalic acids and other by-products. The invention has the advantages of short process flow, good operationality, low production cost and low apparatus investment.

The invention discloses a vehicle navigation method and system based on a cloud server. The method includes the steps that an intelligent mobile terminal receives destination information input by a user and sends a search request to a remote map search server; the map search server receives the search request and searches longitude and latitude coordinate data corresponding to the destination information; the intelligent mobile terminal obtains the longitude and latitude coordinate data from the map search server and sends the longitude and latitude coordinate data to the remote network cloud server through a wireless network; the network cloud server judges whether a vehicle navigation device is on line, if yes, the longitude and latitude coordinate data are sent to the vehicle navigation device through the network cloud server, the vehicle navigation device carries out navigation according to the longitude and latitude coordinate data, and if not, the network cloud server stores the longitude and latitude coordinate data. The vehicle navigation method and system based on the cloud server improve efficiency and speed of destination search, are beneficial to energy saving and environment protection, and reduce cost in using cars.

The invention relates to a novel low-temperature combined cooling, heating and power (CCHP) system based on a heat pump. Currently, no novel low-temperature CCHP system based on the heat pump with a simple structure and a reasonable design exists. The novel low-temperature CCHP system based on the heat pump comprises a high-pressure steam pipe, a steam turbine, a power generator, a condenser and a boiler connecting pipe, and is characterized by also consisting of a heating low-pressure steam pipe, a heating condensate pipe, a power plant after-heat single-effect heat pump unit, a refrigeration single-effect absorbing heat pump unit, a heat pump unit loop pipe, a loop circulating pump, a user refrigeration pipe, a cooling tower, a cooling tower water inlet pipe, a cooling tower water outlet pipe, a cooling water circulating pump, a power plant circulating cooling water pipe, a heat pump cooling tower, a cooling tower circulating pipe, a heating single-effect absorbing heat pump unit, a heating heating pipe, a heat pump circulating pipe and a user heating pipe; the heating low-pressure steam pipe is connected with the refrigeration single-effect absorbing heat pump unit; and the heating condensate pipe is connected with the power plant after-heat single-effect heat pump unit. The novel low-temperature CCHP system based on the heat pump has the advantages of reasonable structural design, energy saving, environmental friendliness and high heat utilization rate.

Provides are a novel expanded perlite insulation board and a preparation method thereof. The novel expanded perlite insulation board is mainly prepared by raw materials of 50%-80% of expanded perlite, 10%-40% of inorganic adhesive and organic adhesive, 0%-10% of fiber and 0%-10% of property-modifying additive. The novel expanded perlite insulation board uses a compression molding process and is high in production efficiency, good in size stability and low in production cost. The novel expanded perlite insulation board has excellent fireproofing safety to overcome shortcomings of poor fireproof performance, ageing resistant and environment pollution; and has excellent waterproofness and low thermal coefficients to overcome a shortcoming that a common inorganic insulation material is large in thermal coefficient and strong in water absorbability. The novel expanded perlite insulation board has excellent heat insulation performance, can achieve thermal insulation performance levels of the organic material, simultaneously has non-ignitable performance of the inorganic material, is good in durability and weather fastness, can achieve same service life of buildings, solves the problem that service life of an organic board is short, and is favorable for energy saving and environmental protection. The service life of the organic board can be asynchronous with the building.

The invention discloses an electronic control unit of an electromechanical braking system, which bases on CAN bus network communication. The electronic control unit comprises a CAN bus network, a major control node and four minor control nodes, wherein, the major control node receives signals sent by a travel route sensor of a brake pedal and four wheel speed sensors, and then generates a corresponding control signal which is sent to the CAN bus network; the minor control nodes receive own signals from the CAN bus network; the signals received by the minor control nodes go through certain processing and are sent to a braking motor; the braking motor then drives an executive mechanism to brake the wheel. The system of the invention can not only compensate for the defects that traditional hydraulic braking system has too long braking pipelines, excessive valve elements, braking hysteresis happening easily, long braking distance, environment contamination caused by braking liquid, and the like, but also maintain data communication with high efficiency and high reliability in a plurality of electronic control systems of automobiles, which has the function of integrating ABS, TCS, ESP, etc.

The invention discloses a method for bleaching grey down feather. The method comprises the following steps: firstly, using ferrous ions to conduct pretreatment on down feather to be treated, then conducting selective oxidation bleaching on the down feather, and finally using thiourea dioxide to conduct reduction bleaching on the down feather, and using clear water to wash the down feather, and drying. The method can effectively eliminate the natural pigment in the down feather, and has less damage to the down feather; the selective oxidation bleaching and reduction bleaching by using the thiourea dioxide (TDO) are combined to treat the down feather; after the TDO is applied to conduct reduction bleaching under the mild condition on the down feather treated by selective oxidation bleaching, thus improving the whiteness of the down feather, leading the decolorization and bleaching of the grey down feather to achieve high-level whiteness, and inhibiting the color reversion of the down feather; and the TDO is an acid reducing agent, can play the role of strong reducing property under the acidulous and neutral conditions, is suitable for the stability condition of the protein fiber in the down feather, and has little damage to the fiber. The whole process for decolorizing and bleaching the down feather is conducted at low temperature, thus not only ensuring the little damage to the fiber, and good bulkiness, but also being beneficial to energy conservation and environmental protection.

The invention belongs to the technical field of a weeding machine, in particular to a weeding machine facilitating weed storage for agricultural production. Against the problems that a device lacks aweed collecting device, there is no link for fertilization after weeding, and the device is complicated in structure, the operation is relatively tedious, and solar energy is not made good use of, thefollowing scheme is provided, the weeding machine includes a base, anti-vibration pads are fixed on the outer wall of four corners at the bottom of the base through bolts, universal wheels are fixedon the outer walls of the bottoms of the four anti-vibration pads through bolts, a mounting frame is welded to the outer wall of the top of the base, an electric push rod is fixed on the inner wall ofthe top of the mounting frame through a bolt, a mounting plate is fixed at one end of an electric push rod extension rod through a screw, and two fixed plates are welded to the outer wall of the bottom of the mounting plate. The weeding machine can fuse a pesticide and water in a water tank, an insecticidal effect after weeding is achieved well, rotating knives can be driven to move up and down,and thus weeds of different heights can be cut.

The invention discloses an intelligent turnover conveyor which comprises a conveying system, a swinging system, a rotating system, a power connection system and a control system, wherein the conveying system comprises two travel driving motors, a travel rail and a vehicle body; the vehicle body is slidably connected onto the travel rail; the two travel driving motors are connected through the vehicle body; a vehicle-mounted controller is mounted on the vehicle body; the swinging system comprises a chain wheel transmission mechanism, a swinging motor, a turnover shaft and a large swinging arm; the chain wheel transmission mechanism is connected onto the vehicle body of the conveying system; the turnover shaft is perpendicularly connected with the chain wheel transmission mechanism; the large swinging arm and the turnover shaft are in seal connection with each other through a flange; the large swinging arm can rotate along with the turnover shaft; the rotating system and the swinging system are connected with each other, and three-stage transmission is adopted for the connection; a vehicle body connecting frame used for being connected with the vehicle body is arranged on a turnover body; through the swinging system, the turnover body can swing in a pitching manner; and through the swinging system, the vehicle body can rotate at any angle in a vertical plane.

The invention relates to a nanometer boehmite and a preparation method thereof. The nanometer boehmite is characterized by comprising the following components by weight: 50-150 parts of pseudo-boehmite, 1-10 parts of inorganic acid or inorganic base, 0.5-3 parts of additive and 400-750 parts of deionized water. The preparation method comprises the following steps: (1) dispersing pseudo-boehmite powder to the deionized water, adding the inorganic acid or the inorganic base for uniformly stirring; (2) adding the special additive and uniformly stirring to obtain feed liquid; (3) adding the feed liquid to a high-pressure reaction kettle for hydrothermal reaction; and (4) discharging after cooling, and spraying fog to obtain the nanometer boehmite after washing. By utilizing the preparation method, the nanometer boehmite with different morphologies can be prepared by taking the pseudo-boehmite as a starting material, the use of a large number of strong acid and alkali usage is avoided, a potential safety hazard is eliminated, the washing water consumption is reduced, the cost is saved, and the preparation method is conducive to energy conversation and environmental protection and can be used in different application occasions.

The invention belongs to the technical field of a refractory material technology for steel ladles in the ferrous metallurgy industry, and discloses an explosion proofing castable for a steel ladle working layer. The explosion proofing castable is characterized in that a composite explosion-proof agent and a composite water reducing agent are introduced in the castable, and the composition and the mixing ratio of the castable are adjusted, so that the inner structure of a material is improved, the air permeability and the strength at an intermediate temperature of the material are improved, the problem that the castable is peeled, separated and then cracked during being baked can be effectively avoided, the resulting loss of a user can be avoided, and simultaneously, the baking time is reduced, the energy is saved, and the pollution is reduced.

The invention discloses a double-ended saw cutter. The double-ended saw cutter comprises a horizontal type lathe rack, wherein a linear horizontal rail is arranged on the top of the horizontal type lathe rack; a slide base is arranged on the linear horizontal rail in a sliding mode; a fixed base is fixedly arranged at the left end of the horizontal type lathe rack; a transmission frame is jointedto the outer side of the horizontal type lathe rack; a transmission rack is arranged in the transmission frame; two groups of saw blade cutting units are oppositely arranged on the horizontal type lathe rack left and right; a height measuring device and a supporting frame are arranged at the right side of the slide base; a movable rack can be arranged on the right part of the linear horizontal rail in a sliding mode, and is opposite to the supporting frame horizontally; a drive device is arranged at the outer side of the slide base; and the transmission rack drives the slide base to slide leftand right on the linear horizontal rail. The double-ended saw cutter has the characteristics of being compact and scientific in structure, being adjustable in cutting angle of a saw blade cutting assembly, being capable of supporting relatively long section bar workpieces, being adjustable in cutting length of section bar workpieces, and being capable of measuring top side length parameters of the section bar workpieces on line; and the saw blade cutting assembly does not have intermediate transmission link, is high in transmission efficiency, and facilitates energy conservation and environment protection.

The invention is suitable for the technical field of illumination and discloses a reflecting cup and a lamp comprising the same. The reflecting cup comprises a cup body, wherein the cup body comprises a first reflecting ring having a circular truncated cone shape and a second reflecting ring in butt joint with the first reflecting ring; the second reflecting ring comprises a plurality reflecting subrings with tapering caliber sizes; the plurality reflecting subrings are overlapped with and adjacent to one another sequentially; the inner wall of the first reflecting ring is provided with a plurality of arc-shaped reflecting convex points; and each reflecting subring comprises an inclined reflecting surface. The lamp comprises the reflecting cup and light-emitting members positioned in the reflecting cup. The reflecting convex points and the plurality of reflecting subrings with the tapering caliber sizes and overlapped with and adjacent to one another sequentially are arranged on the cup body, so the reflecting cup and the lamp comprising the same provided by the invention have the advantages of improving the illumination efficiency of the lamp and contributing to energy conservation and environmental protection on the premise of guaranteeing semi-light intensity angle of the lamp.

The invention provides a solar aerator which comprises a solar device, a connecting shaft, a buoyancy device, a storage battery, a motor, a controller, a sensing system, an aeration driving mechanism and an aeration impeller, wherein the buoyancy device is fixedly connected with the connecting shaft; the solar device is connected with the aeration driving mechanism and the motor through the solar device; the aeration driving mechanism is connected with the aeration impeller; a central shaft of the aeration impeller is vertically arranged; the motor is connected with the storage battery, the controller and the sensing system. According to the solar aerator, the solar device is utilized to convert solar energy into electric energy and the aeration impeller is utilized to stir water, so that the function of water aerating and water treating is achieved, the water quality is effectively improved, the organic pollutant in water is degraded, the black odor is eliminated, the alga and bottom mud endogenous pollution is reduced, the use ratio of solar energy is increased, the automatic aeration can be realized without extra power supply, and the energy conservation and the environment protection are benefited.

The invention discloses a phase-change material packaging process and a phase change heat storage product prepared by using the process. The phase change heat storage product comprises a spherical silica gel shell and a sphere prepared from a phase-change material, wherein the sphere is arranged in the spherical silica gel shell. The packaging process is simple, can realize packaging of phase-change materials with phase-change temperatures in a range of 100 to 200 DEG C and has the advantages of a good packaging effect, low cost and easy realization. The product provided by the invention is ingeniously designed, fully utilizes the characteristics of high temperature resistance, aging resistance, no toxicity, uneasy reaction with acid and alkaline substances and the like of silica gel and enables a packaged phase-change material to be used for a long time during heat storage; moreover, heat conduction powder is added, so good heat conductivity is obtained, the phase-change material is allowed to realize effective heat exchange with the outside, the utilization rate of energy is increased, and energy conservation and environmental protection are benefited. Since the product employs spherical structure design, the product can be more easily put into a variety of heat storage tanks or heat exchange apparatuses, which is beneficial for wide popularization and application of the product.

The invention discloses an underground integrated domestic sewage treatment device and a method thereof, and belongs to the field of purification of the domestic sewage. The underground integrated domestic sewage treatment device comprises a grilling tank, an adjusting tank, an anaerobic digestion tank, an anaerobic biological filtration tank, an aerobiotic biological filtration tank I, an aerobiotic biological filtration tank II, an aerobiotic biological filtration tank III, a vertical flow sedimentation tank and a control chamber, wherein the underground integrated domestic sewage treatment device is an underground stereoscopic integrated device; the control chamber comprises an upper layer part and a lower layer part; the upper layer part is arranged at the upper part of the control chamber; an electric control box and an ultraviolet device are arranged in the upper layer part; a fan and a chemical adding device are mounted at the lower layer part. The underground integrated domestic sewage treatment device is small in occupied area, convenient in drainage and low in energy consumption; the energy conservation and environment protection are facilitated; by virtue of the auxiliary adoption of the chemical treatment process on the main basis of biological degradation, the emission of the water with the up-to-standard water quality is ensured.