32results about How to "No need to consume water resources" patented technology

The invention relates to a permanent magnetic high-gradient comprehensive force field separator with a disc structure, which comprises a support, a supporting substrate, a plurality of damping springs, a magnetic disc, a magnetism gathering nail rotating disc, a top layer circular ring disc, a guide shaft sleeve and a transmission shaft, wherein the supporting substrate is in a circular ring-shaped structure and arranged on the support, the plurality of the damping springs are arranged by surrounding the circumference of the supporting substrate, the magnetic disc is mounted above the supporting substrate, the magnetism gathering nail rotating disc and the top layer circular ring disc are sequentially mounted above the magnetic disc by clearance fit, the guide shaft sleeve is mounted below the magnetism gathering nail rotating disc, extends in a vertical downward manner and penetrates the central position of the magnetic disc, the transmission shaft supports a central hole of the supporting substrate, and the lower end of the transmission shaft is combined with a driving mechanism; the top layer circular ring disc is combined with the magnetic disc thorough a connecting part arranged by surrounding the periphery of the top layer circular ring disc, and the bottom surface of the magnetic disc is combined with a vibrating motor arranged below the supporting substrate through the connecting part; a feeding device is arranged on one side above the top layer circular ring disc; and a non-magnetic material receiving device is mounted below the magnetic disc, and the mounting position of the non-magnetic material receiving device is in upper-lower corresponding with the mounting position of the feeding device.

The invention discloses an assembly asphalt pavement for a desert highway and a construction method of the assembly asphalt pavement. The asphalt pavement comprises an aeolian sand subgrade, wherein a macadam base and an asphalt pavement precast block combination layer are sequentially laid on the upper surface of the aeolian sand subgrade from bottom to top according to a laminated structure, and the asphalt pavement precast block combination layer is formed by assembling and paving a plurality of asphalt pavement precast blocks; a plurality of reinforcing units are laid on the upper surface of the macadam base, correspond to joints of every two asphalt pavement precast blocks one to one, and are used for reinforcing the joints of the asphalt pavement precast blocks, and the macadam base and the asphalt pavement precast block combination layer are fixed by bonding; each asphalt pavement precast block sequentially comprises an asphalt surface course and a base plate from top to bottom according to a laminated structure, and each asphalt surface course and the corresponding base plate are fixed into a whole by bonding. The assembly asphalt pavement provided by the invention has the advantages of water-saving construction, prolonged construction season, rapid construction, rapid maintenance and the like.

The invention relates to the technical field of soil treatment, and particularly relates to a high-efficiency saline-alkaline soil improvement method. The method comprises the following steps that desulfurized gypsum, zeolite and vinegar residues are mixed; then gluconic acid, expired yogurt and grape skin are added; the gluconic acid, the expired yogurt and the grape skin are degraded under the action of nitrogen-fixing alcaligenes faecalis for generating a large amount of free hydrophilic carboxyl groups; the carboxyl groups are introduced into the surfaces of the desulfurized gypsum, the zeolite and the vinegar residues under the action of the microorganisms for improving the hydrophilicity; the carboxyl groups have a metal complexing property, and finally a fermentation product which has good hydrophilicity and can adsorb metal salts by complexing is obtained; the fermentation product is put into porous moso bamboos; the porous moso bamboos are buried in planting pits; and then saline-alkaline tolerant plants are planted in the planting pits, so that improvement on saline-alkaline soil is completed. Water in surrounding soil can be gathered and absorbed, so that an effect of water retention and moisture preservation is achieved. With the increase of the concentration of the water in the soil, the concentration of salt in the soil can be reduced, the alkalization degree is reduced, the pH value of the soil is buffered, and the purpose of improving the saline-alkaline property is achieved.

The invention relates to treatment of salt and alkali soil, in particular to a method for improving salt and alkali soil through halophyte. The method includes the steps that firstly, after seeds with the good maturity such as atriplex halimus are refrigerated and stored, the seeds are sowed in potted soil in a hill-seedling mode, the potted surfaces are covered with fine sand and sprayed with a water solution in a timing mode, the surface of the soil is kept wet, the seedlings with the height ranging from 7 cm to 10 cm are transplanted into pots with the salt and alkali soil to be treated, and pot culturing is conducted; secondly, the pots are transferred outdoors, planting is conducted on the salt and alkali soil required to be treated according to the border of 1 m multiplying by 1 m till the whole region is covered; thirdly, after the transplanted plants grow for 120 days and are mature, and the seeds are shed, the portions, above the roots, of the plants are collected to be aired so as to be made into forage feed, and the salt and alkali soil can be improved after being governed through the method for 2 to 3 years. The method has the advantages that the salt and alkali soil can be improved effectively, and the treatment effect is good; consumption of a great number of water resources is not needed, growth of crops in the follow-up process is not affected; and the method is easy to implement and low in required cost.

The invention discloses an efficient dedusting separator of building man-made sand, comprising a housing. A rotary scatterer plate and a sand collecting hopper are arranged inside the housing sequentially from top to bottom. The housing is provided with a feed passage between the scatterer plate and the sand collecting hopper. The housing is further provided with a finished sand discharge passage connected to the bottom of the sand collecting hopper. A sorting unit is arranged at the top of the housing. A bag collector and a fan are arranged outside the housing. An inlet of the bag collector is connected to an air outlet of the sorting unit through a first pipeline. An air inlet of the fan is connected to an outlet of the bag collector through a second pipeline. The bag collector is provided with a sand collection point. The efficient dedusting separator of building man-made sand requires no water resources, is low in energy consumption, free of dust pollution, free of mesh abrasion and high in separation efficiency and allows work environment to be greatly improved.

The invention discloses an anhydrous foam generator for shale oil and gas reservoir fracturing as well as application thereof. The anhydrous foam generator has the following structure: a sand adding port, a liquid CO2 second injection port and a safety valve are arranged at the top of a propping agent storage tank; the bottom of the propping agent storage tank communicates with a high-pressure gasand liquid mixer through a propping agent discharging pipe; the top of the propping agent storage tank communicates with a primary oscillator and a secondary oscillator through an exhaust pipe; a liquid CO2 first injection port, a N2 injection port and an anhydrous foam foaming agent injection port are formed in the side wall of the high-pressure gas and liquid mixer; and the side wall of the high-pressure gas and liquid mixer communicates with the primary oscillator through a liquid discharging pipe; and the primary oscillator, the secondary oscillator and a tertiary oscillator communicate with one another sequentially. According to the three tandem oscillation mode of the anhydrous foam generator, the anhydrous foam generator has the characteristic of efficient foaming, guarantees complete mixing of the liquid CO2, N2 and propping agent particles, enhances the foaming capability of the foaming agent for anhydrous foam fracturing, can generate uniform and compact anhydrous foam fracturing liquid, contributes to improving the fracturing efficacy and greatly reduces formation damage.

The invention discloses a combined remote control sewer desilting vehicle which comprises frames, a first framework and a second framework. A driven shaft is installed on the front portion of each frame, wherein a wheel is installed at one end of the driven shaft; a driving shaft is installed on the back portion of each frame, wherein wheels are installed at the two ends of the driving shaft; batteries are installed in the two sides of each frame; a control module is installed in the middle of each frame; a telescopic rod is installed at the top of the first framework, and a silt sweeping motor is installed at the bottom end of the telescopic rod and sleeved with a silt sweeping brush; the first framework is provided with a conveyor belt, a conveying motor is installed in the conveyor belt, and a silt scraping plate is installed at the tail end of the conveyor belt; multiple rollers are installed in the second framework, a first pressure filtration motor and a second pressure filtration motor are installed on the upper portion of the tail end of the second framework, the outer surface of the first pressure filtration motor is sleeved with a first pressure filtration belt, and the outer surface of the second pressure filtration motor is sleeved with a second pressure filtration belt; a silt collecting bucket is installed at the tail of the desilting vehicle. According to the combined remote control sewer desilting vehicle, the efficiency is high, a large amount of manpower is saved, and the labor intensity of workers is lowered.

The invention discloses a dry papermaking device which comprises a material preparation device, a forming device, a transferring net, a compacting roller and a drying box, wherein the material preparation device, the forming device, the transferring net, the compacting roller and the drying box are connected in sequence; the forming device comprises a pulp distributor, a pulp flow box and a vacuum net cage; the pulp distributor comprises a pulp distributor body, a Venturi pipeline and a pulp distributor inlet pipe; the material preparation device is connected with the lower end of the pulp distributor body through the pulp distributor inlet pipe and the Venturi pipeline; the upper end of the pulp distributor body is connected with one end of the pulp flow box; the other end of the pulp flow box is arranged on the outer side of an inlet of the vacuum net cage; the outlet end of the vacuum net cage is connected with the transferring net; the vacuum net cage is driven by a variable-speed motor. The dry papermaking method based on the equipment comprises the following steps: material preparation, forming, transferring, compacting, drying and coiling; made paper has the advantages of surface fineness, softness, comfortableness and zero linting and dusting; furthermore, no glue is applied in the papermaking process, so that a large amount of water resources can be saved; therefore, the dry papermaking device and the dry papermaking method are environment-friendly and energy-saving.

Disclosed are a pulling structure of a natural rock block fake-dry-masonry decorating wall and a manufacturing method. The pulling structure of the natural rock block fake-dry-masonry decorating wall comprises a plurality of rows of reinforcing steel bar drag hooks perpendicular to a wall body, flat-head ends of the reinforcing steel bar drag hooks are fixed with the wall body, drag hook ends of the reinforcing steel bar drag hooks are exposed out of the wall body, each row of reinforcing steel bar drag hooks are connected via a horizontal pulling bar, the horizontal pulling bars are placed in the drag hook ends of the reinforcing steel bar drag hooks, and cement bed mortar, the reinforcing steel bar drag hooks and the horizontal pulling bars are solidified integrally to form an inner pulling structure of a rock block wall. The natural rock block fake-dry-masonry decorating wall has the advantages that stones of the natural rock block fake-dry-masonry decorating wall are natural, seams are intriguing, and art culture of the decorating wall is unique. In addition, the pulling structure of the natural rock block fake-dry-masonry decorating wall has a good decorating effect, meets needs of modern life, and has fine application prospect in the field of engineering construction along with improvement of living standards of people.

The invention particularly relates to machine-made sand and an application thereof, and belongs to the fields of building material processing technology and environmental protection. The machine-madesand is prepared through the following steps: step 1, after high-temperature liquid ferronickel slag melt is discharged from a slag opening of a furnace, slow cooling air quenching cooling is carriedout on the high-temperature liquid ferronickel slag melt, and ferronickel slag is obtained; and during slow cold air quenching cooling, the cooling speed is controlled to be smaller than or equal to 70 DEG C/s; step 2, the ferronickel slag is placed in a jaw crusher and is subjected to primary crushing; and step 3, the ferronickel slag obtained in the step 2 is placed in an efficient fine crusherand is subjected to fine crushing, so that the ferronickel slag machine-made sand is obtained. After optimization, the measurement result of the crushing index value of the obtained machine-made sandis 6.8-7%. The machine-made sand provided by the invention is mixed with natural sand to be used as a building material. By means of a series of treatment, especially air cooling treatment at a reasonable speed, on the ferronickel slag, the ferronickel slag has excellent performance, and necessary conditions are provided for replacing a part of concrete fine aggregate and changing waste into valuable resources for cyclic utilization.

The invention belongs to the technical field of amino acid separation and purification, and discloses a process for chromatographic extraction of glutamic acid after centrifugal thallus removal, whichcomprises the following steps: step 1) filtration and sterilization, step 2) chromatographic separation, step 3) resin column adsorption, and step 4) concentration and crystallization. The method hasthe advantages of low wastewater yield, low environmental pressure and higher glutamic acid yield, and has favorable industrial practical value.

The invention discloses a safe long and large downhill road section which comprises an upward convex road section and a common road section alternately arranged. The common road section is a linear road section or a downward concave road section; a deceleration strip-shaped road surface coating is arranged on the downhill road surface in front of the inflection boundary of the rapid and slow roadsection; a handrail is arranged on the right side in front of therapid and slow road sectioninflection boundary; the handrail comprises a cross bar, the cross rod is supported on the ground through aplurality of vertical rods; first color layers and second color layers are alternately arranged on the side walls of the vertical rods in the vertical direction, the first color layers and the secondcolor layers are formed by spraying pigments of different colors, and the total number of the first color layers and the second color layers on each set of vertical rods is sequentially reduced from back to front till the total number of the first color layers and the second color layers on each vertical rod is reduced to two. The invention provides an air injection system for cooling the vehiclebrake. The invention further discloses a corresponding vehicle cooling method. The driving safety can be improved through air injection cooling and active utilization of the visual effect, water resources are not consumed, and environmental protection is facilitated.

The invention provides a coal dry-process grading upgrading integrated system and a processing method thereof. The coal dry-process grading upgrading integrated system comprises a crushing device, a first inlet end of the crushing device, an outlet end of the crushing device, a second inlet end of the crushing device, a first inlet end of a screening device, a first outlet end of the screening device, a second outlet end of the screening device, a fine coal sorting device, a first inlet end of the fine coal sorting device, a first outlet end of the fine coal sorting device, a first inlet end of the fine coal sorting device, a grinding device, a first inlet end of the grinding device, a first outlet end of the grinding device, a second inlet end of the grinding device, a third inlet end ofthe grinding device, a granularity grading device, an inlet end of the granularity grading device, a first outlet end of the granularity grading device, a second outlet end of the granularity gradingdevice, a micro powder grading device, an inlet end of the micro powder grading device, a first outlet end of the micro powder grading device and a second outlet end of the micro powder grading device.

The invention discloses a photovoltaic panel cluster cooling system. A solar photovoltaic panel assembly comprises a cooling air channel plate, a solar photovoltaic panel body, cooling fins and cold air transition connecting pipes; the cooling air channel plate is buckled on the back surface of the solar photovoltaic panel body; the radiating fins are positioned between the cooling air channel plate and the solar photovoltaic panel bod; heat exchange channels are formed among the adjacent radiating fins, the cooling air channel plate and the solar photovoltaic panel body; each heat exchange channel is communicated with one end of the corresponding cold air transition connecting pipe; the other end of each cold air transition connecting pipe in the solar photovoltaic panel assembly is communicated with a corresponding second communicating pipe; the second communicating pipes in heat exchange module are connected with first communicating pipes; the first communicating pipes are connectedwith the bottom of a chimney; and the chimney is vertically distributed. The system has the advantages of being free of water resource consumption, good in economical efficiency and high in heat exchange efficiency.

The invention discloses a crushing machine which comprises a machine frame. The machine frame is provided with a machine box. The machine box is composed of a top plate, a bottom plate and four side plates. The top plate is provided with a feeding inlet, and crushing couple rollers are arranged under the feeding inlet. A material receiving device is arranged under the crushing couple rollers and comprises two material receiving plates which are located on the same horizontal plane and further make contact with each other. The lower surfaces of the material receiving plates are connected with supporting rods in a rotating mode. The lower surfaces of the material receiving plates are further provided with sliding chutes, and the sliding chutes are internally connected with rollers in a rolling mode. The rollers are connected with air cylinders in a rotating mode. The supporting rods and the air cylinders are both fixed to the bottom plate. A discharging outlet is formed in the bottom plate and located under the contact position of the two material receiving plates. Air blowing holes are formed in one side plate and located between the crushing couple rollers and the material receiving plates. The air blowing holes are connected with a draught fan, and the draught fan is provided with a cooler. An air outlet hole is formed in the side plate opposite to the air blowing holes. The machine frame is further provided with a wind power generation device. According to the scheme, cold-air blast is used for cooling corundum, and no water resource needs to be consumed.

The invention aims to provide pipeline water injection valves and a seabed conveying pipeline applying the same. Seawater is directly adopted for injection in the process that the seabed conveying pipeline is installed and sinks into the seabed, the total weight in the transportation, loading and hoisting processes is reduced, and meanwhile, the procedure and cost increase caused by direct liquidinjection in the production process is reduced. The seabed conveying pipeline comprises an outer pipe and an inner pipe, wherein buckle arresting structures are arranged in the length direction of theinner pipe and the outer pipe at intervals, a plurality of mounting holes are formed in the outer pipe, a pipeline water injection valve is fixedly mounted in each mounting hole, and the pipeline water injection valves are used for injecting liquid into an annular space between the inner pipe and the outer pipe; and when the external environment pressure is greater than the design pressure, the pipeline water injection valves are controlled to stop injecting water and seal a water inlet of the outer pipe.

The invention aims to provide a pressure-resistant double-layer conveying pipeline. Seawater is directly adopted for filling in the process that the pipeline is installed and sinks into the seabed, the total weight in the transportation and hoisting process is reduced, and meanwhile the working procedure and cost increase caused by direct liquid filling in the production process is reduced. The pressure-resistant double-layer conveying pipeline comprises an inner pipe, an outer pipe and a bending stopping device, wherein the inner pipe is formed by splicing a plurality of inner pipe sections;the outer pipe is formed by splicing a plurality of outer pipe sections; the bending stopping device comprises an outer pipe connecting ring, an inner pipe connecting ring and a supporting body; the outer pipe is further provided with an automatic water filling valve; and the automatic water filling valve controls seawater to be automatically filled into an annular space between the inner pipe andthe outer pipe in the process that the pipeline sinks into the seabed, and therefore the pressure influence of seawater static pressure on the pipeline is relieved.