49results about How to "Reduce secondary processing costs" patented technology

The invention relates to an insert plate device capable of walking on blown-filled mud soil. A horizontal-direction plate-type impeller and a vertical-direction plate-type impeller which are vertically arranged are installed between the lower part of a floating cabin connected with an operation platform and a floating cabin; one side of the operation platform is vertically provided with a gantry; the upper end of an inclined support is connected with a cross rod, and the lower end of the inclined support is connected with the other side of the operation platform; the upper end of an insert plate stand is connected on the cross rod of the gantry in a sliding way, and the lower end of the insert plate stand is connected on a guide rail of the insert plate stand in a sliding way; the other side of the operation platform is provided with an insert plate winch and a shifting winch; the insert plate winch is connected with an insert plate machine pipe by steel wires; and the shifting winch is connected with the insert plate stand by steel wires. The insert plate device overcomes the defects of slow speed, low construction efficiency, high potential safety hazard and the like in the process of manually inserting a plastic drainage plate. The insert plate device improves the depth and the effect of foundation treatment, and reduces the secondary treatment cost of foundation; and the insert plate device capable of walking on the blown-filled mud soil is capable of walking and inserting the plate on the blown-filled mud soil with low bearing capacity, so that the construction speed can be accelerated.

The invention provides a water-free atmospheric vacuum distillation technology and device. The technology is characterized in that a normal-pressure tower and a vacuum tower adopt a four-time gasification and feeding manner; after crude oil is heated through a normal-pressure furnace, materials are fed from a tower kettle of the normal-pressure tower; water steam is not introduced into the tower kettle; each sideline product is heated by adopting a reboiler; alkali washing is carried out on tower top dry gas which is condensed and cooled at a tower top of the normal-pressure tower; a vacuum flashing tower is additionally arranged between the normal-pressure tower and a vacuum furnace; normal-pressure heavy oil from the tower kettle of the normal-pressure tower enters the vacuum flashing tower; the vacuum flashing tower is provided with a plurality of sidelines for drawing out products; the product drawn out from the first sideline is injected into the normal-pressure tower again; the heavy oil of the tower kettle enters the vacuum furnace and is further heated, and then enters the vacuum tower; pressure of the vacuum flashing tower is controlled between the pressure of the normal-pressure tower and the pressure of the vacuum tower. The invention further provides the water-free atmospheric vacuum distillation device. By adopting the device and the technology, provided by the invention, the low-temperature dew-point corrosion problem of the top of the normal-pressure tower can be solved, refinery wastewater is reduced and the diesel oil extraction rate of the normal-pressureheavy oil is improved; serious entrainment of the vacuum tower is alleviated and the decompression and deep drawing vacuum degree is reduced. The long-period, safe, stable and operation performance ofthe device is improved.

The invention discloses a system for electrochemically treating a high-viscosity fracturing flow-back fluid. The system comprises a pH adjusting unit, an electrocatalytic oxidation unit and an electric flocculation unit which are arranged in sequence, wherein the pH adjusting unit is used for adjusting the pH value of the fracturing flow-back fluid to 4-7, the electrocatalytic oxidation unit comprises an electrocatalytic oxidation device, and the electric flocculation unit comprises an electric flocculation device connected with effluent of the electrocatalytic oxidation device. The inventionalso discloses a method for treating the fracturing flow-back fluid. The method comprises the following steps: 1) adjusting the pH value of the fracturing flow-back fluid to be treated to 4-7; 2) performing electrocatalytic oxidation treatment on the fracturing flow-back fluid obtained in step 1); and 3) performing electric flocculation treatment on effluent in step 2). The treatment system and the method mainly adopt electric energy to achieve the treatment of the fracturing flow-back fluid, so the system and the method accord with the clean production category; and a large amount of an organic or inorganic polymer agent is not needed in the treatment process, so the system and the method have the advantages of no secondary pollution, stable effluent quality, and saving of resources and cost.

The invention relates to an insert plate device capable of walking on blown-filled mud soil. A horizontal-direction plate-type impeller and a vertical-direction plate-type impeller which are vertically arranged are installed between the lower part of a floating cabin connected with an operation platform and a floating cabin; one side of the operation platform is vertically provided with a gantry; the upper end of an inclined support is connected with a cross rod, and the lower end of the inclined support is connected with the other side of the operation platform; the upper end of an insert plate stand is connected on the cross rod of the gantry in a sliding way, and the lower end of the insert plate stand is connected on a guide rail of the insert plate stand in a sliding way; the other side of the operation platform is provided with an insert plate winch and a shifting winch; the insert plate winch is connected with an insert plate machine pipe by steel wires; and the shifting winch is connected with the insert plate stand by steel wires. The insert plate device overcomes the defects of slow speed, low construction efficiency, high potential safety hazard and the like in the process of manually inserting a plastic drainage plate. The insert plate device improves the depth and the effect of foundation treatment, and reduces the secondary treatment cost of foundation; and the insert plate device capable of walking on the blown-filled mud soil is capable of walking and inserting the plate on the blown-filled mud soil with low bearing capacity, so that the construction speed can be accelerated.

A method for defluorinating mine water removes fluorine in the mine water through a fluorine removal agent, the fluorine removal agent comprises a main fluorine removal agent, and the main fluorine removal agent is fly ash. The invention also provides a system for defluorinating the mine water by using the method. The system comprises a first underground reservoir, a mine water injection pipeline, a fly ash adding device and a mine water discharge pipeline; the fly ash adding device comprises a stirring pool and a grouting pump; the stirring pool is used for stirring the added fluorine removal agent and water to obtain a mixture; the feeding end of the grouting pump is connected to the discharging port of the stirring pool, and the discharging end of the grouting pump is connected to the mine water injection pipeline and used for pumping the mixture to the mine water injection pipeline; the mine water injection pipeline is connected to the water injection port of the first underground reservoir and is used for injecting mine water and the mixture into the first underground reservoir; and the mine water discharge pipeline is connected to the water intake of the first underground reservoir and is used for discharging the fluorine-removed mine water. According to the method and the system, the treatment capacity of the mine water is large, the fluorine removal cost is low, and fluorine can be effectively removed, so that the fluorine content of the mine water is reduced to 1 mg / L or below.

The invention provides a horizontal hydraulic secondary solid-liquid separator which comprises a compression cavity, a feeding hopper, a hydraulic device, a compression cavity filter plate and a discharge port adjusting device, the feeding hopper is mounted above the compression cavity, the hydraulic device is mounted behind the compression cavity, the compression cavity filter plate is mounted in the compression cavity, and the discharge port adjusting device is mounted in front of the compression cavity. The spiral extrusion type secondary solid-liquid separator solves the technical problems of high solid content of liquid separated by a spiral extrusion type secondary solid-liquid separator in the prior art, serious equipment abrasion, high processing cost, high failure rate and high maintenance cost, adopts a hydraulic extrusion mode, can ensure the integrity of materials, is small in equipment abrasion, greatly reduces the secondary treatment cost of the liquid, and improves the working efficiency of the spiral extrusion type secondary solid-liquid separator. Compared with a screw extruder, the screw extruder has the biggest advantages of small abrasion of equipment parts, long service life of equipment and low maintenance cost.

The invention discloses a south ionic rare earth ore leaching liquid impurity removing process. The process comprises the steps of: preparation of mine leaching liquid rare earth mother liquor, enriching of rare earth by magnesium oxide precipitates, clarification of rare earth enriched matters, alkali leaching impurity removal, acid dissolving and output of Al(OH)3 products. The south ionic rare earth ore leaching liquid impurity removing process uses a high-water-content quick hydroxides for enriching; as hydroxide rare earth is lower in solubility, the enriching recovery rate is almost 100%; the characteristics of magnesium oxide are used for forming nuclear precipitates, so that the precipitation is fast, and the utilization rate of flow equipment is largely increased; the alkali leaching impurity removing efficiency is higher; the rare earth loss is low; the secondary treatment cost of slag can be reduced; the Al(OH)3 products are produced; the economic benefit is obvious; the cost is lower compared with a traditional process; and the rare earth recovery rate is higher than that in the traditional process by 5%.

The invention discloses an automatic pin machine of a PCB board. The automatic pin machine of the PCB board comprises a frame, a power system, a main shaft transmission system, a wire rod clamping relaxing module, a cutting needle module, a plate putting warehouse, a numerical control division plate system, a numerical control shift plate positioning system and an automatic material returning system. The automatic pin machine of the PCB board possesses a completely automatic production function which comprises that: the automatic division plate, the automatic shift plate, the automatic positioning and automatic plate returning can be achieved; a main shaft transmission mechanism drives the machine to automatically clamp a wire, send the wire and be cut off after automatic insertion. A plurality of pins are simultaneously inserted at once. A speed is fast, an output is high, cost is low and pin efficiency is high. In addition, the pins have a same length during a pin process. Verticality of the pins is good and pin quality is high, which provides a solid foundation for a subsequent automatic production technology. The wire rod used by the pin machine is a whole roll of steel wire which is automatically cut into the pins through the machine so that secondary processing cost of processing the wire rod into the pins can be saved. The raw material cost can be substantially reduced.

The invention relates to the technical field of tail gas treatment, in particular to a pressure swing adsorption purification and recovery device and process for polypropylene SPG process tail gas. The pressure swing adsorption purification and recovery device for polypropylene SPG process tail gas comprises a recovered gas buffer tank, a folded wave filter, a compressor, a refrigeration dryer, athree-stage precision filter, a separator and a pressure swing adsorption tower which are connected in sequence. The recovered gas buffer tank is connected with a polypropylene SPG process tail gas pipeline. The top of the pressure swing adsorption tower is connected with a nitrogen buffer tank through a nitrogen discharge pipeline and is also connected with a flushing gas buffer tank through a sequential discharge pipeline. The bottom of the pressure swing adsorption tower is connected with a gas inlet pipeline and a reverse discharge pipeline. According to the device and process, the pressure swing adsorption technology is adopted for purifying the polypropylene SPG process tail gas, nitrogen in the tail gas is recycled while organic gas such as propylene and propane is removed, the emission environmental protection problem is solved, and benefits are increased for enterprises.

The invention relates to a vacuum insulation type ultra-low temperature medium land transportation device. The rear end of the rotating inner tube is connected to the liquid phase interface through the liquid phase rotary joint, and the gas phase interface is fixedly connected to the column, and the gas phase interface is connected to the gas phase channel in the rotating inner tube. The gas phase and liquid phase outlets are arranged under the front end of the rotating inner tube. The gas phase outlet is connected to the gas phase valve through the gas phase rotary joint, the gas phase rotary tube, the gas phase turbine worm device, the gas phase vacuum outer tube, and the gas phase interface center of gravity adjustment tube; the liquid phase outlet The liquid phase valve is connected through a liquid phase rotary joint, a liquid phase turbine scroll device, a liquid phase vacuum outer tube, two liquid phase rotary joints, and a liquid phase interface gravity center adjustment tube. The invention solves the phenomenon of cold loss caused by the frosting and icing of the original loading and unloading arm, can reduce the BOG generated by gasification, and reduce the pressure of the system cycle treatment; overcome the leakage caused by the low temperature deformation of the rotating parts; prevent the interface from freezing, improve the connection speed and Loading and unloading time, without nitrogen protection, saving operating costs.

The invention relates to a vacuum insulation type ultra-low temperature medium marine conveying device. The gas phase port and the liquid phase port of the rear vacuum box are respectively connected to the gas phase interface and the liquid phase interface through the gas phase rotary joint and the liquid phase rotary joint. The gas phase flow channel is formed by connecting the gas phase rotary joint with the vacuum gas phase inner tube, and the liquid phase flow channel is formed by connecting the liquid phase rotary joint with the vacuum liquid phase inner tube; One end of the tube and the liquid phase outer tube, and the other end of the gas phase outer tube and the liquid phase outer tube are respectively connected to the gas phase valve and the liquid phase valve through the gas phase rotary joint and the liquid phase rotary joint. The invention solves the phenomenon of cold loss caused by the frosting and icing of the original loading and unloading arm; it can reduce the BOG produced by gasification, reduce the pressure of the system circulation process, overcome the leakage caused by the low temperature deformation of the rotating parts, prevent the interface from freezing, and improve the connection efficiency. Speed ​​and loading and unloading time, no need for nitrogen protection, saving operating costs.

The invention discloses a mining pumping and spraying integrated vehicle. The mining pumping and spraying integrated vehicle includes a vehicle body, a water tank, a filtering plate and a pumping and spraying device; the water tank is arranged on the vehicle body; the filtering plate is arranged in the water tank; the inner space of the water tank is divided into a muddy water chamber and a clean water chamber by the filtering plate; a water inlet of the water tank is formed in the top of the muddy water chamber; the pumping and spraying device is positioned under the clean water chamber; the pumping and spraying device includes a water pump, a water intake pipe, a floating platform and a nozzle, wherein the water pump is arranged on the bottom of the clean water chamber, the water pump is connected to the floating platform through the water intake pipe, and the floating platform includes a suspensible material for allowing an opening of the water intake pipe to be in a preset depth under water surface of the clean water chamber; the water pump pumps water in the clean water chamber, and then water is sprayed through the nozzle; the water pump is connected to the water inlet through a pipeline; and a sediment deposition pool is arranged on the bottom of the muddy water chamber. The mining pumping and spraying integrated vehicle can pump water on a stope working face into the water tank and spray a road with water to remove dust; the process is simple; and the cost is low.

The invention relates to the technical field of molecular sieve, and especially relates to a regeneration method of a nitrogen-preparation carbon molecular sieve. The method provided by the invention sequentially comprises the steps that: screening and washing are carried out, wherein poisoned carbon molecular sieve is screened by using a mesh, and the screened carbon molecular sieve is washed by using water, such that impurities are removed; nitrogen-based high-temperature charring is carried out, wherein the temperature is increased to 850-1000 DEG C under the protection of nitrogen gas, such that charring is carried out; mixed gas activation is carried out, wherein a mixed gas of CO2 and CO is delivered into a furnace cavity, wherein the proportion of CO2 is 85-90%, such that the charred carbon molecular sieve is activated, wherein the temperature in the furnace is 700-800 DEG C; carbon deposition is carried out, wherein activated carbon molecular sieve is placed in a furnace cavity of a converter; the temperature in the converter is 800-900 DEG C; xylene is delivered in under the protection of nitrogen gas; the temperature of the furnace is maintained at 300-500 DEG C, such that xylene is absorbed by the carbon molecular sieve; xylene is cracked under the temperature of 800-900 DEG C, such that pyrolytic carbon is deposited on the char material; the carbon molecular sieve is subjected to pore size adjustment, such that a regenerated finished product is obtained. With the method provided by the invention, deeply poisoned nitrogen-preparation carbon molecular sieve can be activated, and the pore sizes after activation is uniform.