42results about How to "Fully removed" patented technology

The utility model relates to the technical field of geothermal heating, disclose a kind of geothermal heating heat pump unit, including heat pump unit main body, heat pump unit main body is fixedly connected with connecting pipe, connecting pipe is fixedly connected with box body, and the side of box body is fixedly connected with water outlet pipe;Water suction pipe, water suction pipe is arranged at the bottom end of heat pump unit main body, and water suction pipe is fixedly connected with heat pump unit main body cleaning assembly, and cleaning assembly is arranged in water suction pipe, and cleaning assembly is used to clean the speed of groundwater, and cleaning assembly includes filter plate, turbine blade and movable block, turbine blade rotation is arranged in water suction pipe, filter plate is arranged in water suction pipe, and filter plate is elastically connected with the inner wall of water suction pipe, movable block array is arranged between filter plate and turbine blade, movable block is transmission connection with turbine blade, heat pump unit main body is pumped up by water suction pipe to water, after water passes through water suction pipe, internal parts of cleaning assembly cooperate, and the impurities on filter plate are fully removed.

The invention relates to a refining method for reducing and controlling a plasticizer and 3-chloropropanol ester in camellia oil, and aims to effectively control the plasticizer, the 3-chloropropanol ester and glycidyl ester in the camellia oil and maintain nutritional ingredients and natural flavor of the camellia oil. The method comprises the steps of acidification degumming, alkali refining deacidification, water washing, decoloration, dual-temperature deodorization, low-temperature adsorption and the like, and particularly, the vacuum degree and the temperature are finely adjusted in the deodorization process, so that control over a plasticizer, 3-chloropropanol ester and glycidyl ester is effectively considered.

This utility model belongs to the field of photovoltaic technology and discloses a device for manufacturing single-crystal furnace electrode insulating sheets. The device includes a frame, a pressure plate, a first upper mold, and a receiving lower mold. The pressure plate is slidably mounted on the frame in a vertical direction and can switch between an initial position, a pre-pressing position, and a pressing position. The first upper mold is mounted on the pressure plate, with its lower end protruding relative to the lower surface of the pressure plate. The receiving lower mold is mounted on the frame and located below the pressure plate, and has a first notch opposite to the first upper mold. The single-crystal furnace electrode insulating sheet manufacturing device proposed in this utility model can automatically complete the manufacturing of single-crystal furnace electrode insulating sheets, with high processing efficiency and is free from the influence of operator subjectivity, thus improving the product qualification rate.

The present application relates to a kind of sample processing platform for carbon fiber number counting and the counting method of carbon fiber number, belong to carbon fiber detection technical field, solve the problem of low accuracy of counting caused by complex carbon fiber sample preparation and poor sample quality in existing method.Sample processing platform includes fixed platform and detachable auxiliary platform, fixed platform is internally provided with support area, sticking area and reference area from top to bottom, three are coaxial ladder-shaped hole structure, and auxiliary platform is sleeve-shaped.Counting method includes: using the sample processing platform to prepare fiber cross-section sample without adhesion and debris;Sample is placed into scanning electron microscope, and the overall picture is obtained by low-resolution scanning and high-resolution puzzle;Overall picture is segmented into slice;Slice is imported into image analysis software, and after gray threshold conversion, denoising, area and roundness screening, it is automatically counted and summed.The present application is simple in sample preparation, clear in image, accurate in counting, and significantly improves the efficiency and accuracy of carbon fiber number statistics.

The utility model discloses a wax liquid cleaning and recycling device which comprises a cleaning container mechanism, and a material distributing mechanism is installed in the cleaning container mechanism. The wax liquid is distributed into the cleaning container through the distribution mechanism to be cleaned, and the wax liquid with the density smaller than that of water floats above the water layer in the cleaning process; a wax liquid discharging pipe is installed on the cleaning container mechanism, the feeding end of the wax liquid discharging pipe is located at the upper end in the cleaning container mechanism, and the discharging end of the wax liquid discharging pipe is located on the outer side of the cleaning container mechanism. The material distributing mechanism comprises a feeding structure, the discharging end of the feeding structure communicates with a material distributing structure, and the material distributing structure comprises a material distributing bin; a plurality of material distribution through holes are formed in the material distribution bin; and the material distribution outlet pipe is communicated with the bottom of the material distribution bin. According to the device, the technical defect that waste wax generated during wax mold demolding cannot be conveniently recycled is effectively overcome, impurities in the wax are fully removed in a washing mode, wax liquid can be recycled, and the device is economical, environmentally friendly and convenient and easy to operate.

A radial material screening device and method are disclosed, relating to the technical field of material screening devices. The device includes a primary screening mechanism, a secondary screening mechanism, a screening channel, and a screening aperture control unit. The secondary screening mechanism includes a wheel-type sieve aperture inner diameter control unit, which is equipped with an elastic mimicry insert. The method includes screening out waste materials exceeding the upper and lower limits, and directionally dropping materials that meet the specified dimensions. This invention effectively solves the problem of poor adaptability of existing radial screening devices, which cannot be matched with automated production lines and affect subsequent processes. Through this invention, radial screening of materials can be achieved, removing waste materials exceeding the upper and lower limits, ensuring that the screened materials are fully free of impurities. Therefore, it will not interfere with subsequent automated production lines and can greatly improve the working efficiency of the entire production line.

The utility model relates to a kind of mud removing device for celery harvesting in the technical field of mud removing, including cleaning bucket, the bottom of the cleaning bucket is symmetrically equipped with support rod, the inside of the cleaning bucket is equipped with inclined mud guide plate, the top of the cleaning bucket is fixedly connected with fixed guide frame, the inside of the fixed guide frame is movably connected with connection lifting drive mechanism, the mutual cooperation between fixed guide frame, connection lifting drive mechanism, output motor, speed reducer, driving rod and fixed transmission block being equipped, can place the basket loaded with celery in the inside of connection lifting drive mechanism, then output motor drives speed reducer, drives driving rod and fixed transmission block to rotate, simultaneously drives connection lifting drive mechanism and basket to rotate, and connection lifting drive mechanism can lower basket to water, with the dissolution of rotation and water, can sufficiently remove the mud and sand of celery root, easy to operate.

The application discloses a briquetting drying equipment, and belongs to the technical field of metallurgical mineral processing. The briquetting drying equipment comprises a drying component, and the drying component comprises a frame body and a plurality of evaporation plates. The frame body comprises a drying channel extending in a vertical direction, and a top opening of the drying channel is a drying feeding port. Each evaporation plate is fixed in the drying channel in a longitudinal direction, so as to form a plurality of drying intervals arranged at intervals in the drying channel. A through evaporation air duct is arranged in each evaporation plate in a transverse direction, and the two ends of the evaporation air duct penetrate through the side wall surface of the frame body, so as to guide hot air in a hot air pipeline. A plurality of drying holes are arranged on each evaporation plate and communicate with the drying intervals and the evaporation air duct, so as to blow the hot air in the hot air pipeline to the drying intervals. The briquetting drying equipment provided by the application can realize efficient drying of briquettes, fully remove water on the briquettes, and then reduce the adhesion of powder on the briquettes, so that the powder rate entering a furnace is greatly reduced.

The present invention provides a positive electrode active material for a lithium secondary battery, the positive electrode active material for a lithium secondary battery being a positive electrode active material containing a lithium metal oxide, and the positive electrode active material for a lithium secondary battery satisfying formula 1. [Formula 1] Charge Transfer Resistance (RCT) < = 30 Omega (In Formula 1, RCT is based on a value measured by Electrochemical Impedance Spectroscopy (EIS) for a coin-type half cell including a positive electrode to which the positive electrode active material is applied).

The invention relates to the technical field of chemical products, and particularly discloses a preparation method of electronic-grade nitric acid. According to the method, the purified and concentrated nitric acid is filtered by using the nano modified PTFE membrane of which the surface is attached with the nano adsorbent and the interior is loaded with the diisooctyl phosphate. By improving the PTFE membrane, the operation of removing the metal ions in the method can be quickly and efficiently completed, the limitation of the removal efficiency of the metal ions on the yield of the electronic-grade nitric acid is effectively overcome, and the production efficiency of the electronic-grade nitric acid is fully improved.

The invention relates to the technical field of new energy, in particular to a composite current collector assembly and a preparation method thereof, a pole piece assembly and a preparation method thereof and a battery. The composite current collector assembly comprises an insulating layer, a conductive layer and a weld-aid coating, the conductive layer is located on at least one side of the insulating layer, the conductive layer comprises an electrode active area and a tab blank area connected with the electrode active area, and the weld-aid coating is located on the conductive layer corresponding to the tab blank area. The raw materials of the weld-aid coating comprise modified rosin, organic acid, organic amine, a wetting agent, a surface active agent and a corrosion inhibitor. By selecting the raw materials of the weld-aid coating, the traditional transfer welding procedure can be omitted, the problem that the welding process is tedious is solved, and the welding quality is good.

This utility model discloses a yellow phosphorus tail gas combustion system that reduces the generation of acidic substances, belonging to the field of phosphorus chemical processing technology. It solves the problems of high cost, inefficiency, poor stability, and easy secondary pollution associated with existing technologies. The system includes three sequentially connected modules: tail gas pretreatment, combustion, and purification, forming a complete treatment pathway. The pretreatment module uses a centrifugal fan to transport the tail gas, a spray-filter desulfurization tower to remove sulfides, and a high-pressure backflush pipe to ensure stable airflow. The combustion module optimizes the air-fuel ratio, combines flue gas circulation and parameter monitoring to suppress nitrogen oxide generation, and is adapted to boiler waste heat utilization. The purification module is equipped with a waste heat recovery device before electrostatic precipitator to remove impurities. The system achieves desulfurization liquid regeneration and circulation, reduces equipment corrosion and treatment costs, ensures that exhaust gas emissions meet standards, and balances environmental protection and energy utilization efficiency.

The invention relates to the technical field of aramid fiber laminated plate burr grinding, in particular to an aramid fiber laminated plate burr grinding device which comprises an automatic grinding machine body and a conveying belt penetrating through a discharging port and a feeding port of the automatic grinding machine body. A protective shell is arranged on the outer side of the automatic grinding machine body and located at the discharging port, a material suction cover is arranged in the protective shell, and the material suction cover is connected with an external negative pressure dust suction pipe. The protective shell is further provided with a reciprocating connecting mechanism. According to the device, the bottom dust collection mechanism is arranged, the bottom dust collection mechanism is matched with the clamping and grinding mechanism, when the upper surface and the periphery of the aramid fiber laminated plate are ground, the clamping and grinding mechanism clamps the aramid fiber laminated plate, the aramid fiber laminated plate is separated from the surface of the conveying belt through the reciprocating connecting mechanism, and then the conveying belt is driven to rotate; and the bottom dust collection mechanism can achieve the effect of fully removing chippings at the bottom of the aramid fiber laminated plate and on the surface of the conveying belt.

The application belongs to the technical field of back contact cells, and particularly relates to a low-scratch back contact cell and a preparation method thereof, which comprises the following steps: S2, sequentially forming a first semiconductor layer and a mask layer on the back surface of a silicon wafer; S3, performing etching opening on the back surface to form a second semiconductor opening area; S4, performing texturing and cleaning; S5, sequentially forming a third semiconductor layer and a sacrifice layer on the front surface of the silicon wafer; S6, performing groove cleaning on the back surface and the second semiconductor opening area obtained in S5, wherein the groove cleaning comprises acid solution cleaning, RCA cleaning and backwashing, and the sacrifice layer is removed in the RCA cleaning and backwashing; and S7, depositing a second semiconductor layer on the back surface. The groove cleaning method is used to replace the chain cleaning method, the back surface plating layer can be fully removed, the front surface anti-reflection layer is protected from corrosion, the anti-reflection effect of the front surface is not affected, mechanical damage or pollution of the back surface of the silicon wafer can be avoided, the overall passivation level can be improved, the back surface scratch can be reduced, and the fill factor and the cell efficiency can be improved.

The application provides a method for removing hydrogen chloride from a chloride intermediate, and belongs to the technical field of chemical production processes. The chloride intermediate is introduced into a mixer from a material inlet of the mixer, and enters a refining kettle through a two-way channel of the mixer; after the introduction of the chloride intermediate is stopped, refining gas is continuously introduced into the mixer from the material inlet of the mixer for purging, and the chloride is obtained. The method provided by the application can make the material in the refining kettle produce internal circulation by limiting the structure of the mixer, so as to play a role of sufficient stirring and accelerate the removal speed of hydrogen chloride in the chloride intermediate. The results of the examples show that, after the method provided by the application is used for purging for 30 min, the actually measured hydrogen chloride content can reach below 0.05 mg / L, the removal time is greatly reduced, and the annual energy consumption reduction rate can reach 87.5%.

The utility model discloses a grinding fluid separation and recovery device which comprises a supporting frame, a liquid collecting tank is arranged in the supporting frame, a vibrating screen plate is arranged on the upper side of the liquid collecting tank, a magnetic tooth-shaped rotary drum is arranged on the vibrating screen plate, and a motor is installed on the side face of the magnetic tooth-shaped rotary drum. And a scraping plate is arranged at the lower rear end of the magnetic attraction tooth-shaped rotating cylinder, a metal recycling mechanism is fixed to the tail end of the scraping plate, a grinding fluid inlet is fixed to the upper right end of the side supporting plate, a waste recycling tank is arranged at the front end of the fluid collecting tank, and a fluid outlet pipeline is arranged at the rear end of the fluid collecting tank. According to the device, moisture contained in particles can be fully removed by arranging the vibrating screen plate, further separation is facilitated, magnetic metal chippings in the solid particles which are preliminarily shaken and scattered are adsorbed by arranging the magnetic tooth-shaped rotary drum on the vibrating screen plate, and the chippings adsorbed on the surface of the magnetic tooth-shaped rotary drum are scraped off through the scraping plate, so that the separation effect is good.

The present application relates to the model training sample screening field, for solving the problem that the data cannot be effectively screened in the model training process, resulting in the training cost is improved and the training effect is reduced, specifically for the model data sample intelligent screening method and system for knowledge distillation; The present application carries out multistage screening to the basic data for training when training the model, so as to fully remove the data completely ineffective for training, false interference data and high repeatability homogeneous data, simultaneously, the large amount of data is processed by dichotomization, the homogeneous data can be efficiently selected by jumping, both the removal rate of homogeneous data is guaranteed and the workload when removing homogeneous data is reduced, the data for model training can play an optimizing role for model training, meanwhile, the negative interference of false data is reduced, also can avoid a large amount of homogeneous data to make repeated training, improve the data quality, reduce the training cost.

The invention discloses a flexible PET-based copolyester and a preparation method thereof, and relates to the technical field of high polymer materials, and the flexible PET-based copolyester is prepared from dibasic acid and dihydric alcohol through esterification and condensation polymerization; the binary acid comprises aliphatic flexible binary acid and terephthalic acid; the dihydric alcohol comprises ethylene glycol and flexible dihydric alcohol; the flexible dihydric alcohol comprises diethylene glycol and polyethylene glycol; the feeding amount of the diethylene glycol accounts for 1.0%-5.0% of the total molar weight of the dihydric alcohol; the feeding amount of the polyethylene glycol accounts for 3.0%-8.0% of the total molar weight of the dihydric alcohol. The copolyester has the advantages of high flexibility and low melting point.

This invention discloses a spherical powder of tantalum-tungsten alloy and its preparation method and additive manufacturing method, belonging to the field of refractory metal material preparation technology. The preparation method includes: subjecting a homogeneous tantalum-tungsten alloy ingot to a three-stage hydrogenation treatment, sequentially holding at 0.01~0.04 MPa and 300~500℃ for 1~3 h, at 0.04~0.08 MPa and 900~1000℃ for 0.5~1 h, and at 0.02~0.05 MPa and 300~400℃ for 0.5~1.5 h. This segmented hydrogenation process controls the diffusion behavior of hydrogen in the alloy, achieving controlled embrittlement and avoiding over-hydrogenation. Further, multi-cycle crushing and dynamic sieving based on the target particle size range are performed to obtain hydride precursor powder, significantly reducing ineffective fine powder and improving the yield and production efficiency of the plasma spheroidization process. The resulting tantalum-tungsten alloy spherical powder has a sphericity of not less than 99%, an oxygen content of not more than 150 ppm, and a concentrated particle size distribution. It is suitable for additive manufacturing processes such as laser selective melting and electron beam selective melting, providing a reliable raw material for the forming of high-performance tantalum-tungsten alloy components.

The invention relates to a reactor control rod guide cylinder weld joint removing device which is used for polishing a weld joint on a control rod guide cylinder and comprises a matching body, a circumferential displacement assembly and a polishing assembly. And the matching body is arranged on the control rod guide cylinder. The grinding assembly is rotationally connected to the matching body. The grinding assembly comprises a grinding driver and a grinding head, and the grinding driver drives the grinding head to rotate around the axis of the grinding head. The circumferential displacement assembly is arranged on the matching body and is in transmission connection with the grinding assembly so as to drive the grinding assembly to rotate around the first axis. Thus, the device can be installed on a control rod guide cylinder of a reactor through the matching body, a polishing head is driven by a polishing driver of the polishing assembly to polish and remove a welding seam of the locking cup, the polishing assembly is driven by the circumferential displacement assembly to rotate around the axis of the locking cup, and therefore displacement and feeding are conducted on the polishing head in the circumferential direction of the locking cup; and all welding seams on the peripheral side of the locking cup are automatically and fully removed, and the replacement efficiency of the locking cup is improved.

This invention discloses a phosphorus trichloride production tail gas absorption and treatment device with safety monitoring function, including an absorption tower, a liquid distributor and an inlet pipe disposed on the absorption tower, an outlet pipe at the top of the absorption tower, and a drain pipe at the bottom of the absorption tower. It also includes an adaptive flow stabilizer and a gravity feedback anti-clogging packing assembly disposed within the absorption tower. The liquid distributor is located above the gravity feedback anti-clogging packing assembly, and the adaptive flow stabilizer is located below the gravity feedback anti-clogging packing assembly. This invention relates to the technical field of phosphorus trichloride production tail gas treatment equipment, specifically providing a phosphorus trichloride production tail gas absorption and treatment device with integrated adaptive flow stabilization, real-time monitoring of packing blockage, and gravity feedback anti-clogging, and equipped with safety monitoring function.

This utility model belongs to the technical field of sulfur-containing tail gas treatment equipment, specifically relating to a sulfur-containing tail gas treatment device for carbon nanotube production. The device includes at least three treatment units, each comprising: a tank for storing an alkaline solution and an L-shaped pipe mounted on the tank; wherein the L-shaped pipe penetrates the tank, with its inlet located outside the tank and its outlet located inside the tank and immersed in the alkaline solution; and a pipe connecting the tank in the current treatment unit to the inlet of the L-shaped pipe in the next treatment unit. This sulfur-containing tail gas treatment device for carbon nanotube production introduces the sulfur-containing tail gas into the first tank through the first L-shaped pipe and discharges it from the outlet of the L-shaped pipe. The sulfur-containing components undergo a neutralization reaction with the alkaline solution. The pre-treated gas is discharged into the next L-shaped pipe to repeat the gas-liquid reaction process until it is discharged from the last tank, thereby increasing the contact time and ensuring that the sulfur-containing components in the tail gas are fully removed.

The utility model relates to the technical field of kitchen waste impurity removal, in particular to an efficient intelligent continuous kitchen waste impurity removal device which comprises a shell, a primary dehydration mechanism is arranged on the shell, a feeding port is formed in the primary dehydration mechanism, and a secondary dehydration mechanism is further arranged on the shell. A motor is arranged in the shell, a telescopic rod is arranged in the shell, a squeezing plate is arranged in the shell, a waste water discharging port is further formed in one side of the shell, a waste residue discharging port is further formed in the shell, and the preliminary dehydration mechanism comprises a rotating roller arranged on one side of the shell. The kitchen waste above the extrusion disc is extruded, water in the kitchen waste is discharged again, enters a temporary storage box through a second filter port and enters a collection box through a second water outlet pipe to be collected, the water in the kitchen waste is fully removed, and the situation that the composting process is slow, peculiar smell is generated, and the composting quality is reduced due to the fact that too much water is left is avoided.

This invention relates to low-temperature hydrodeoxygenation catalysts, their manufacturing methods, and their applications. The catalysts of this invention are suitable for the low-temperature removal of alcohols from Fischer-Tropsch synthesis oils, and also for the low-temperature removal of alcohols from other hydrocarbons containing alcohols. The catalysts of this invention use a phosphorus-modified alumina support, nickel as the hydrotreating active component, and lanthanum, cerium, cobalt, and / or zinc (especially cerium) as co-catalyst components. The component loading process employs a stepwise impregnation method to sequentially load the co-catalyst components and the hydrotreating active component onto the support. The catalysts of this invention solve the technical problem of sufficient removal of oxygen-containing compounds at low temperatures.

The utility model discloses a wood moisture tester calibrating device, and relates to the technical field of calibrating devices, the wood moisture tester calibrating device comprises a supporting seat, the outer wall of the bottom of the supporting seat is fixedly connected with a base, and the outer wall of the top of the supporting seat is provided with a drying mechanism. A plurality of clamping plates can clamp and fix a wood board under the action of a spring, a hot drying lamp can dry the wood board from top to bottom to remove water contained in the wood board, a rotating handle can be rotated in the period, the rotating handle drives a threaded rod to rotate, the threaded rod drives a sliding block to move towards the rotating handle, and the sliding block drives a connecting shaft to move; the connecting shaft drives one end of the fixing frame to move so as to turn over, so that the effects that the whole wood board can be fully dried, moisture contained in the wood board can be effectively removed through drying treatment on the wood board, and the moisture content in the wood board can be accurately obtained by comparing the weight of the wood board with the weight of the wood board which is not dried; the measurement result is accurate and reliable.

The utility model belongs to bamboo shoot cleaning equipment technical field, concretely relates to bamboo shoot cleaning machine. The specific technical scheme is: including frame main part, spray system, scrubbing tank system, the spray system sets up in the top of scrubbing tank system, the scrubbing tank system includes at least one scrubbing tank, one scrubbing tank includes three vertical direction on staggered arrangement's spiral brush stick, three spiral brush stick rotation setting on frame main part and its axis between each other parallel, the top vertical of the scrubbing tank close to the entrance end is provided with the material disc, the circumferential side wall of material disc is provided with brush, the material disc rotation setting on frame main part through material shaft. The cleaning machine can realize bamboo shoot continuous automatic production line processing, need not guarantee the size head direction of bamboo shoot, adopts the self -circulation water filtration system, no external drainage, and the water consumption of cleaning is extremely low.

The invention relates to a semiconductor device and a manufacturing method thereof. The method comprises the following steps: providing a substrate; forming fins extending along a first direction on the surface of the substrate; forming a first polycrystalline silicon layer covering the fins on the substrate, and forming a second polycrystalline silicon layer on the surface of the first polycrystalline silicon layer; a hard mask layer extending in the second direction is formed on the second polycrystalline silicon layer, the first direction intersects with the second direction, and the etching selection ratio of the first polycrystalline silicon layer to the hard mask layer is larger than the etching selection ratio of the second polycrystalline silicon layer to the hard mask layer; and etching the second polycrystalline silicon layer and the first polycrystalline silicon layer by taking the hard mask layer as a mask to form a gate electrode layer extending along the second direction. According to the invention, polycrystalline silicon residues in the device can be effectively reduced, and the yield and reliability of the device are improved.

This application provides a method for upgrading bauxite after grinding with mother liquor, belonging to the field of mineral processing. The method includes: grinding a mixed slurry of bauxite to be upgraded and circulating mother liquor to obtain an alkaline slurry with fully liberated aluminum and gangue minerals; using the circulating mother liquor as both a separation and auxiliary medium throughout the process, performing mineral processing and upgrading on the alkaline slurry to separate iron and silicon impurities in the circulating mother liquor medium, obtaining a concentrate slurry and a tailings slurry; sending the concentrate slurry to an alumina leaching process; and separating the tailings slurry to obtain circulating mother liquor and tailings byproducts. This application, through systematic process reengineering and closed-loop media design, successfully develops a bauxite pretreatment method that can be deeply coupled and seamlessly integrated with the Bayer process main process, avoiding interference from external media, and achieving efficient impurity removal under fully liberated mineral conditions.

The application provides a three-phase separator and relates to the technical field of petroleum processing. The three-phase separator comprises a first shell, a second shell and a bubble breaking device; the first shell is accommodated in the second shell, the second shell comprises a feeding port, a discharging port and a gas outlet, both ends of the first shell are open, and the bubble breaking device is arranged at one end of the first shell away from the feeding port; the bubble breaking device comprises a cover body, one end of the cover body is open, a plurality of air holes are arranged in the cover body, the inner wall of the air hole is provided with a thorn, and the open end of the cover body faces the first shell. The three-phase separator provided by the application can sufficiently remove bubbles in fluid, prevent bubbles from bringing catalyst into hydrogenated oil, break large-diameter bubbles, avoid fine catalyst powder from being taken out by gas phase, and influence the stable operation of the device.

The utility model provides a double-phase extraction soil and underground water remediation device suitable for in-production enterprises, and by adopting a mode of combining in-situ remediation and ex-situ remediation, soil and underground water can be remedied at the same time. A double-pump extraction system is adopted, a vacuum pump and a pneumatic diaphragm pump are arranged to extract gas and liquid in an underground polluted area respectively, the influence radius is large, the extraction rate can be freely adjusted, and limitation of the extraction depth of a single-pump system is avoided. A two-stage steam-water separator is adopted for ground surface equipment, extracted soil gas is primarily treated, it is guaranteed that gas entering the rear-end activated carbon box body is relatively dry, and the adsorption performance of activated carbon is not affected. The device can realize large-range remediation and treatment of deep polluted soil and underground water on the premise of not influencing surface production activities, and has the advantages of low carbon, environmental protection, small plot disturbance, low construction difficulty, adjustable remediation range and the like, and surface equipment is simple to operate and can stably run for a long time.