146results about How to "Reduce circulation" patented technology

The invention relates to a multi-section quench trickle bed reaction system and reaction method for liquid phase hydrogenation of aldehyde and ketone, the system comprises a multi-section quench liquid phase hydrogenation reactor filled with at least two sections of catalyst bed layers, a product circulating liquid inlet is arranged above each section of catalyst bed layer and is used for introducing a product circulating liquid into the corresponding catalyst bed layer; the adiabatic temperature rise of each section of the catalyst bed layer of the reactor is independently controlled by controlling the flow and the temperature of the circulating quenching liquid of each section of the catalyst bed layer; the method can effectively reduce the adiabatic temperature rise of the catalyst bed layer, prolong the service life of the catalyst, reduce the occurrence of side reactions, improve the product quality and yield, reduce the circulation volume of the liquid-phase product, and reduce the energy consumption. And a better hydrogenation effect can be realized by adopting a single trickle bed reactor, so that the equipment investment is reduced.

The invention provides a preparation device and process of electronic-grade silane. According to the preparation device, a first disproportionation reaction is carried out on the basis of the first reactor, dichlorosilane is rectified and separated to serve as a raw material for a second disproportionation reaction, silane can be obtained on the basis of cheap trichlorosilane and a catalytic reagent, and electronic-grade silane can be obtained on the basis of traditional purification after rectification; based on heat exchange between tower top materials of the rectifying tower I and a tower kettle reboiler of the rectifying tower II, differential pressure thermal coupling integration is realized, condensing equipment and operation steps can be omitted, energy consumption is reduced, and the defects of high preparation cost and high energy consumption of a silane preparation device in the prior art are overcome.

The invention discloses an atorvaquone enteric-coated tablet, the preparation comprises atorvaquone, glyceryl behenate, teloxpol, a filler, an adhesive, a disintegrating agent and an enteric coating, and the particle size D90 of the atorvaquone is 30-50 [mu] m. The atorvaquone enteric-coated tablet disclosed by the invention is stable and continuous in release and high in bioavailability, can be positioned and released in intestinal tracts and reduce liver circulation, so that the occurrence of phenomena such as liver injury is reduced, the phenomena such as sticking and cracking are avoided in a tabletting process, the quality is qualified and stable, and the dissolution performance and the stability of the atorvaquone enteric-coated tablet are also ensured.

The invention belongs to the technical field of lithium ion batteries, and relates to a liquid injection method of a lithium ion battery, in particular to a lithium ion battery electrolyte combination, a secondary liquid injection process and the lithium ion battery. The calculation formula of the mass content (W1) of the vinylene carbonate in the first electrolyte is # imgabs0; the calculation formula of the mass content (W2) of the vinylene carbonate in the second electrolyte is # imgabs1 # imgabs2 #, and W1 is less than W2. According to the invention, the content of vinylene carbonate in the electrolyte injected twice is adjusted according to the proportion of the secondary particles, the content of the negative electrode active material, the interlayer spacing of the graphite particles and the interlayer spacing of the carbon coating layer, so that the performance of the lithium ion battery can be better improved.

The invention relates to a heat pump system and a control method thereof, the heat pump system is provided with a liquid spraying enthalpy increasing branch, a refrigerant in a refrigerant circulation loop can be shunted between a first throttling element and a main path of an economizer, and the refrigerant flows into an air supplementing opening of a compressor through an auxiliary path of the economizer for air supplementing and enthalpy increasing. An air supply throttling element is arranged on the liquid spraying enthalpy increasing branch, and the controller obtains the exhaust superheat degree according to the exhaust temperature and the exhaust pressure, determines the optional adjusting mode of the opening degree of the air supply throttling element according to the exhaust superheat degree and obtains the superheat degree of the economizer according to the side road inlet temperature and the side road outlet temperature. According to the method, the target adjusting mode is determined from the selectable adjusting modes based on the superheat degree of the economizer, the opening degree of the air supply throttling element is controlled through the target adjusting mode, and the reliability of the compressor can be guaranteed while the exhaust temperature is reduced and the refrigerating and heating capacity is improved. And the heat exchange capacity of the economizer can be fully utilized, the refrigerant can be ensured to obtain sufficient supercooling degree, and the heat absorption capacity of the evaporator is improved.

The invention relates to the field of acupuncture and cupping disinfection, in particular to a quick disinfection device for acupuncture and cupping, which comprises a disinfection table, a processing unit is arranged on the disinfection table, and the processing unit comprises a disinfection cylinder fixed on the disinfection table, a cleaning mechanism for cleaning a cupping device and a clamping mechanism for fixing the cupping device. The cleaning mechanism comprises an inner brush part and an outer brush part, a driving shaft used for driving the inner brush part to rotate is coaxially arranged in the disinfection cylinder, and a connecting structure used for ensuring that the cupping device is clamped between the inner brush part and the outer brush part is arranged between the inner brush part and the outer brush part. The inner brush part and the outer brush part are tightly attached to the cupping device, the cleaning comprehensiveness is ensured, then the cupping device is locked by the clamping mechanism, the inner brush part and the outer brush part cooperatively work, the inner surface and the outer surface of the cupping device are deeply cleaned while the cupping device is kept relatively static, and the disinfection comprehensiveness and efficiency are improved.

The invention discloses a novel mineral processing technology for Anshan type iron ore. The method comprises the specific steps that raw ore is subjected to a three-section two-closed-circuit crushing and screening process, and then qualified materials are obtained; after powder is subjected to wet-type pre-concentration, concentrate enters a grinding machine to be subjected to ore grinding operation, materials discharged by the grinding machine are subjected to weak magnetic roughing, and tailings can be thrown early. And the concentrate is graded through a hydrocyclone set and a high-frequency screen to form closed-loop grinding, qualified materials enter two sections of weak magnetic concentration and electromagnetic elutriation, final concentrate is obtained through filtering, magnetic tailings of all the sections are combined for tailings recovery, and the final tailings are subjected to dry discharging operation to obtain tailings and tail mud products. The combined beneficiation process of crushing, screening, large block dry separation, secondary screening, high-pressure roller grinding, wet-type pre-separation, grading, ore grinding, low-intensity magnetic separation, concentration, filtering and the like is adopted, qualified iron ore concentrate can be obtained, and magnetic tails of all sections can be used as building raw materials such as cement or gravel aggregate. The process is simplified, the milling grade is improved, the system production capacity is improved, the beneficiation cost is reduced, and the economic benefit of a beneficiation plant is increased.

The utility model discloses an exterior wall coating heat insulation performance testing device which comprises a testing box, a heating device is fixedly installed on the surface of the top end of the testing box, a partition plate structure is fixedly arranged on the surface of the testing box, and a controller is fixedly installed on the surface of one side of the testing box. According to the device for testing the thermal insulation performance of the exterior wall coating, the exterior wall coating provides a separated testing space by arranging the testing box and the partition plate structure, so that testing is facilitated, air circulation in the space is reduced, the accuracy during testing is guaranteed, the device is controlled by arranging the heating device and the controller, and the testing efficiency is improved. The heating temperature is regulated and controlled, and the distance between the bulb heater of the heating device and the test plate is controlled, so that the temperature of one side of the test plate is increased, and more diverse data of the measured heat insulation property at different temperatures are ensured.

The invention provides a double-phase layered potassium ion battery positive electrode material and a preparation method and application thereof, the chemical general formula of the potassium ion battery positive electrode material is Kx (Mn0. 25Fe0. 25) 1-yCryO2, x is more than or equal to 0.3 and less than or equal to 0.5, and y is more than or equal to 0.85 and less than or equal to 0.95; the positive electrode material of the potassium ion battery has a P3 / O3 double-phase layered structure; the preparation method comprises the following steps: (1) weighing a potassium source, a manganese source, an iron source and a chromium source according to a molar ratio of K: Mn: Fe: Cr = 1.05 x: 0.25 (1-y): 0.25 (1-y): y, and carrying out ball milling to obtain precursor powder; (2) carrying out tabletting treatment on the precursor powder, and putting a pressed sheet into a porcelain boat; (3) calcining the porcelain boat in a muffle furnace; by adjusting the potassium content and regulating the doping of the transition metal, the prepared double-phase layered positive electrode material for the potassium ion battery has the advantages of high capacity and high stability.

The utility model discloses a lithium battery breathing type liquid injection system which comprises a liquid injection production line, the liquid injection production line is a rectangular liquid injection production line and comprises a feeding retainer cup tray, a liquid injection unit, a vacuumizing unit, a turnover unit and a turnover discharging unit which are sequentially arranged, and a conveying line is connected between every two adjacent liquid injection units to form a rectangular closed loop; a feeding mechanical arm and a feeding conveying belt are arranged beside the feeding sleeve cup tray, and a discharging mechanical arm and a discharging conveying belt are arranged beside the turnover discharging unit. The conveying line is a rubber-coated roller conveying line, and a battery positioning module is arranged on the conveying line. The lithium batteries are circularly injected and vacuumized in batches through the rectangular production line, so that the problem of non-uniform infiltration of the existing batteries is solved, the high-temperature standing time of the batteries is shortened, the occupied space of a plant is reduced, and the equipment cost is reduced.

The turbocharger comprises a turbine shaft (1), a turbine (2) is arranged at the output end of the turbine shaft (1), a middle body (3) is arranged on the side, close to the turbine shaft (1), of the turbine (2), the turbine shaft (1) is rotationally connected to the axis of the middle body (3), an air cooling air channel (3.1) is arranged at the end, close to the turbine (2), of the middle body (3), and the air cooling air channel (3.1) is communicated with the air cooling air channel (3.1). The air cooling air channel (3.1) is in a U shape and is arranged in the circumferential direction of the turbine shaft (1). The utility model provides a turbocharger with an air cooling intermediate, which is used for cooling the turbocharger in an air cooling manner so as to reduce the production cost of the turbocharger.

The present invention discloses an adjustable thermal garment, comprising: a garment adjusting layer, the garment adjusting layer comprising at least two filling layers superimposed on each other, the filling layer having a filling area and a sewing area, the sewing area having air holes; an adjusting component capable of adjusting the sewing areas of any two filling layers to be staggered and at least partially overlapped, the adjusting component having a thermal state of aligning the filling area of ​​one of the two filling layers with the sewing area of ​​the other of the two filling layers. The adjustable thermal garment provided by the present invention ensures a thermal effect and facilitates the adjustment of the breathability of the thermal garment.

The utility model discloses a transformer parallel wire winding transposition mechanism, a winding is divided into two sections, namely a phase-shifting winding and a main winding, each section of the winding is wound by two groups of conducting wires, the conducting wires are respectively a conducting wire 1 and a conducting wire 2, the length of the phase-shifting winding is N, the length of the main winding is M, the phase-shifting winding is opened for transposition at a 1 / 2N connection point, and the phase-shifting winding is opened for transposition at a 1 / 2N connection point. The main winding is opened for transposition at a 1 / 2M connection point, the sequence of the first 1 / 2N of the phase-shifting winding is the wire 1 and the wire 2, the sequence of the rear 1 / 2N of the phase-shifting winding is the wire 2, the sequence of the wire 1 and the first 1 / 2M of the main winding is the wire 2, and the sequence of the wire 1 and the rear 1 / 2M of the main winding is the wire 1 and the wire 2. The winding structure provided by the utility model has the beneficial effects that the winding structure can solve the problem of inconsistent length of each lead after the coil is wound, and the winding structure provided by the utility model can enable the leakage inductance of each lead to be closer, so that the circulating current can be reduced, and the additional loss of the winding can be reduced.

The utility model belongs to the technical field of home furnishing, and discloses an indoor composite door device which comprises a door leaf, a door frame assembly and a door pocket line set, and the door frame assembly comprises two side plate assemblies connected with the two sides of a wall opening and a top plate connected with the top of the wall opening; the side plate assembly comprises a connecting plate, a door frame main plate and a door frame auxiliary plate, the connecting plate is installed on a corresponding wall through at least one first fastener, the front end of the door frame auxiliary plate is connected with the rear end of the door frame main plate, and the door frame main plate and the door frame auxiliary plate are installed on the connecting plate through at least one second fastener. The door pocket line set comprises at least one front door pocket line and at least one rear door pocket line, one end of the front door pocket line is installed at the front end of the corresponding door frame main board, the structure is simple, installation and debugging are convenient, and the size of the door frame can be freely adjusted according to different installation environments.

The present invention relates to a method for supercritical extraction of ganoderma lucidum spore oil without granulation, which comprises the following steps: putting ganoderma lucidum spore powder raw material into a material basket, then putting the material basket into an extraction kettle, and sealing the extraction kettle; then 2 CO in the gas source 2 The high pressure pump is pumped into the extraction kettle, and the CO 2 The extracted Ganoderma lucidum spore oil and supercritical CO 2 The extracted spore oil is separated from the extractor by the separator. After the extraction is completed, the extracted spore oil is collected from the separator. The extractor is equipped with a supercritical CO 2 The guide plate of the fluid flow state makes the supercritical CO 2 The fluid passes through the fluid distributor at a steady speed and then contacts and transfers mass with the material in the material basket. Compared with the prior art, the present invention simplifies the supercritical CO 2 The extraction step reduces the production cost of Ganoderma lucidum spore oil.

The utility model relates to the technical field of injection molds, and discloses an injection mold capable of preventing the surface of a central grid from shrinking and deforming, the injection mold comprises a base, a fixed mold is fixedly arranged at the upper end of the base, a U-shaped vertical plate is further fixedly arranged at the upper end of the base, and two electric push rods are symmetrically and fixedly inserted into the horizontal part of the U-shaped vertical plate in a sleeving mode; and the output ends of the lower ends of the two electric push rods are fixedly connected with the same movable mold, the movable mold fixedly communicates with an injection molding pipe, a backflow pipe is installed on the pipe wall of the injection molding pipe, an injection molding speed regulating and controlling mechanism is installed on the backflow pipe, and connecting tightness feedback mechanisms are further installed between the two sides of the movable mold and the U-shaped vertical plate. The injection speed can be rapidly adjusted according to requirements, the working power of the feeding pump does not need to be changed, control is more convenient, and the problem that the local wall thickness of the surface of a product is too large due to the too high injection speed, and then shrinkage deformation is directly caused is solved.

The present application discloses a train and its grounding control system and method, which are applied in the field of rail transit technology, including: intermittently triggering the body circulation detection according to preset rules; each time the body circulation detection is triggered, determining the body circulation value of the train in the three preset grounding modes, and taking the grounding mode corresponding to the minimum value as the current target grounding mode; before selecting a new target grounding mode, controlling the grounding mode of the train to be in the currently determined target grounding mode; in the first grounding mode, the protective grounding point and the working grounding point are both on the same side of the rail, in the second grounding mode, the protective grounding point and the working grounding point are on both sides of the rail; in the third grounding mode, both sides of the rail have protective grounding points and working grounding points. Applying the scheme of the present application can effectively reduce the "vehicle-rail" circulation while ensuring the safety of train driving.

The present invention discloses a rate-type electrolyte additive, an electrolyte and a lithium-ion battery, which belong to the field of lithium-ion technology. The rate-type electrolyte additive is a dimethyl ether compound containing two symmetrically structured silane groups, and the general formula of the additive is:; The lithium-ion battery comprises a positive electrode sheet, a negative electrode sheet, a separator and the above-mentioned rate-type electrolyte. The present invention uses a dimethyl ether compound of a symmetrically structured methoxysilane group as an additive to manufacture a lithium-ion battery electrolyte. The dimethyl ether compound containing a symmetrically structured methoxysilane group is used in combination with an auxiliary additive, and in a high-energy-density battery system, it has lower cell impedance, better battery charge-discharge and cycle performance, and can also take into account the high-temperature performance of the cell. The electrolyte is used to manufacture a lithium-ion battery, and the resulting battery has excellent charge-discharge performance.

The invention belongs to the technical field of lithium ion batteries, and relates to a lithium ion battery negative electrode, a fast-charging lithium ion battery and a method for predicting the performance of the fast-charging lithium ion battery. The lithium ion battery negative electrode comprises a current collector and an active layer covering the surface of the current collector, wherein the active layer is composed of a negative electrode active material, a conductive agent and a binder; wherein the negative pole piece meets the following conditions: the parameter 2 is between 9 * 10 <-15 > and 35 * 10 <-15 >, the parameter 2 is the value of the quotient of the parameter 1 and the particle size of the negative active material, and the parameter 1 is the value of the product of the porosity of the negative pole piece and the lithium ion diffusion coefficient of the negative active material. The dynamic performance of the negative electrode of the lithium ion battery can be improved, the internal resistance of the battery is reduced, and the fast charging performance and cycle performance of the battery are improved.

The invention relates to an energy storage converter parallel operation method, system and device and a storage medium, and belongs to the technical field of energy storage converter parallel operation, and the method comprises the steps: collecting three-phase voltage and current data of an energy storage converter side and a power grid side; according to the collected voltage and current data, actual active power and actual reactive power are obtained through calculation; calculating an output voltage and an output frequency according to the actual active power and the actual reactive power; carrying out DQ conversion on the output voltage, and converting the output voltage into a voltage given value under a DQ coordinate; the virtual impedance of the output line is calculated according to the voltage given value, the calculated virtual impedance is superposed to the voltage given value, and the final voltage input quantity is obtained; carrying out double closed-loop control of a voltage and current loop on the given value of the input voltage to generate a modulation wave; and generating a PWM signal of the switching tube according to the generated modulation wave, and controlling the conduction of the switching tube by the PWM signal so as to control the output power of the energy storage converter.

The application provides a concentrated winding circulating current loss suppression method and structure based on coil cross transposition, and belongs to the technical field of motor winding design and concentrated winding loss optimization. The structure comprises a spliced stator core and a winding coil. The winding coil is formed by winding a plurality of parallel winding strands around the split teeth in a root-by-root manner. Each parallel winding strand is arranged in layers in order from inside to outside. The winding coil is provided with a selective cross transposition structure at the end according to the parity of the number of parallel winding strands. The odd number of strands are only provided with an inter-coil cross transposition structure, and the even number of strands are provided with an inter-coil cross transposition structure or an intra-coil cross transposition structure. When the application is applied to a high-speed fractional-slot concentrated winding permanent magnet motor, the circulating current loss coefficient can be reduced by more than 36.4% at a frequency of 1500 Hz, the process is simplified, the end space occupation is reduced, and the motor power density is improved.

The invention relates to the technical field of drain recovery, and provides a heating medium water drain recovery system which comprises a drain flash tank, a low-pressure heater, a condenser, a deaerator and a drain pipeline. The drain flash tank and the low-pressure heater are both communicated with the condenser, and the condenser is communicated with the deaerator; the drain pipeline comprises a first drain pipe, a second drain pipe and a third drain pipe which are used for conveying drain water; one end of the first drain pipe is communicated with the steam heater, and the other end is communicated with the second drain pipe and the third drain pipe; the second drain pipe is communicated with the low-pressure heater, and the third drain pipe is communicated with the drain flash tank; the invention further discloses a heating medium water drainage recovery method. The drain water is conveyed to the low-pressure heater, heat of the drain water is recycled, and meanwhile the working stability of the drain water flash tank is improved.

The present application belongs to the field of metallurgy, and particularly relates to a method for stopping blast furnace and lowering material surface, comprising the following contents: (1) adjusting the furnace operation before stopping; (2) adjusting the stopping material and optimizing the material distribution matrix; (3) pre-turbine, replacing the tuyere small sleeve and controlling the furnace top temperature; (4) stopping and lowering the material surface: 1. increasing the ratio of top pressure and hot blast pressure: the ratio of top pressure and hot blast pressure is increased to 0.68-0.75; 2. taking different degrees of control on the top temperature when the material surface is at different positions of the blast furnace: (1) when the material surface is above 1 / 2 of the bosh, the top temperature is controlled at 320-350 DEG C; (2) when the material surface is below 1 / 2 of the bosh, the top temperature is controlled at 280-300 DEG C; 3. spraying coal powder, oxygen enrichment, increasing and continuously maintaining the nitrogen gas injection of the tuyere after stopping the coal injection; 4. controlling the gas composition; 5. controlling the [Si] of the molten iron. The method can avoid the blast furnace explosion in the process of stopping and lowering the material surface, prolong the coal gas recovery time, shorten the time of stopping and lowering the material surface, save the coke consumption and reduce the cost.

The present invention provides an all-solid-state battery which suppresses a decrease in cycle performance due to an increase in interface resistance during charging and discharging. An all-solid-state battery (10) which is charged and discharged by a conversion reaction, and which has a positive electrode layer (11) that contains a positive electrode active material, a negative electrode layer (12) that contains a negative electrode active material, and a solid electrolyte layer (13) that contains a solid electrolyte and is formed between the positive electrode layer (11) and the negative electrode layer (12), the absolute value of the difference [(Ep)-(En)] between the actual expansion ratio (Ep) of the positive electrode layer (11) calculated by formula (1) and the actual expansion ratio (En) of the negative electrode layer (12) calculated by formula (2) is 10% or less. Actual expansion ratio (Ep) of the positive electrode layer = expansion ratio of the positive electrode layer * thickness ratio of the positive electrode layer (1); and actual expansion ratio (En) of the negative electrode layer = expansion ratio of the negative electrode layer * thickness ratio of the negative electrode layer (2).

The utility model provides an expansion kettle and an automobile, and relates to the technical field of automobile heat management. The expansion kettle comprises a kettle body, a first partition structure and a second partition structure, the first partition structure is arranged in the kettle body and divides the inner space of the kettle body into at least two kettle cavities distributed in the first direction, and each kettle cavity is provided with a liquid supplementing opening; the second partition structure is arranged in the kettle cavity and divides the kettle cavity into a first cavity and a second cavity which are arranged in the second direction and communicated with each other, and the size of the first cavity is smaller than that of the second cavity. The first cavity bodies of the kettle cavities correspond to each other in the first direction, and every two adjacent first cavity bodies communicate with each other through a liquid passing opening formed in the first partition structure. The expansion kettle is applied to the automobile, the dry suction risk caused by exposure of a liquid supplementing opening in the expansion kettle when the automobile inclines leftwards and rightwards can be effectively reduced, and therefore stable operation of the automobile is guaranteed.

The utility model discloses a combination oil cylinder and injection molding machine for injection molding machine, this combination oil cylinder includes: injection oil cylinder and seat platform oil cylinder, injection oil cylinder and seat platform oil cylinder are parallel and all along first direction are established, the projection of injection oil cylinder along second direction is first projection, the projection of seat platform oil cylinder along second direction is second projection. In the utility model, first projection and second projection part or completely coincide, can reduce the space that the whole structure of injection oil cylinder and seat platform oil cylinder formed in length direction occupies, so that in the same length interval, injection molding machine can install the seat platform oil cylinder of greater stroke, and the nozzle can completely exit the template when seat platform retreats to the bottom, and maintenance is convenient.

The utility model discloses a lightweight compact battery module and belongs to the technical field of power batteries. The light-weight compact battery module comprises a plurality of battery cells, the large surfaces of the plurality of battery cells are close to each other to form battery cell rows, at least two battery cell rows are arranged in parallel to form a battery cell group, and the battery cell rows are separated by middle heat dissipation plates; in the battery cell row, a plurality of battery cells form battery cell units, and heat insulation sheets are arranged among the battery cell units; and the positions of the heat insulation sheets in each battery cell row are the same or different. According to the utility model, the breathing space of each battery cell unit can be gathered to the two sides of the heat insulation sheet, so that the breathing space of each battery cell is not obviously reduced, and the cycle performance of the battery module is also not obviously reduced. The battery module is more compact, the quality energy density of the battery is improved, and the performance of the battery is not reduced.

Raw ore is extruded and crushed through a high-pressure double-roller machine and sieved through a linear sieve, then the raw ore is fed into a coarse grain magnetic separator for ore dressing and tailing discarding, and obtained rough concentrate is subjected to ore dressing and tailing discarding through a two-stage ore grinding-magnetic separation-rotational flow classification circulation process. And the obtained second-section overflow product is subjected to dewatering screen and concentration magnetic separation to obtain concentrated iron ore concentrate pulp, the concentrated iron ore concentrate pulp is subjected to ore grinding through a moxa sand mill and then elutriation, high-grade total iron ore concentrate is obtained, elutriation overflow water returns to a linear screen to be reused, and tailings in the technological process are subjected to rotational flow classification, dewatering or concentration and filter pressing to form different tailings products. By adjusting the sequence of magnetic separation and rotational flow classification and adding the moxa sand milling procedure and the tailing treatment procedure, the method has the characteristics of simple process flow, large treatment capacity, segmented tailing discarding, low production cost, high grade of total iron ore concentrate, high comprehensive utilization rate of tailings, environmental friendliness and the like, and the utilization value of ultra-lean, fine and miscellaneous magnetite is greatly improved.

The invention relates to the technical field of hydrogen peroxide production, and discloses a method for preparing high-concentration hydrogen peroxide, which comprises the following steps: fully mixing low-concentration hydrogen peroxide with the concentration of 34-42wt% with an oxidation liquid with higher hydrogen peroxide content after precision filtration, and dissolving part of hydrogen peroxide in the oxidation liquid into the low-concentration hydrogen peroxide in the mixing process, the method comprises the following steps of: firstly, separating an oil phase from a water phase through a separator to obtain a high-concentration hydrogen peroxide crude product with the concentration of 48-56wt%, and separating to remove organic matters entrained in the high-concentration hydrogen peroxide crude product to obtain a high-concentration hydrogen peroxide finished product with the concentration close to 50wt%. The high-concentration hydrogen peroxide with the concentration close to 50 wt% can be prepared without a concentration process, the production cost of the high-concentration hydrogen peroxide can be reduced, and the process safety can be improved.

The invention discloses gas purification equipment, a gas purification treatment system and a gas purification treatment method. The gas purification equipment comprises a process strengthening reactor, an auxiliary motor, a clutch and a pressure energy recoverer, the process enhanced reactor comprises a shell, a gas inlet, a gas outlet, a liquid inlet, a liquid outlet, a liquid distributor, a rotor assembly and a driving shaft, the pressure energy recoverer comprises a shell, a liquid inlet, a liquid outlet, a power impeller and a rotating shaft; a driving shaft of the process strengthening reactor, the auxiliary motor, the clutch and a transmission shaft of the pressure energy recoverer are coaxially connected in sequence; and a liquid outlet of the process strengthening reactor is communicated with a liquid inlet of the pressure energy recoverer through a pipeline. The process strengthening equipment is used for strengthening the gas-liquid mass transfer process, the gas absorption and purification effect is improved, meanwhile, the use amount of an absorption solvent is reduced, and the regeneration load and the energy consumption of a circulating system are reduced.