547 results about "Liquid system" patented technology

The invention belongs to the technical field of fluid control, and relates to a rotary flow distribution adjusting device and method for aviation. Comprising an inlet shell, an annular impeller, a torsion spring, a valve element, a magnetic damper and an outlet shell. The flow distribution adjusting device is arranged at the pipeline branch position of a liquid pipe network branch system, fluid flows through the annular impeller, the annular impeller generates torsional force to drive the valve element to rotate to change the overflowing sections of the two outlets, continuous adjustment of the flow distribution proportion of different branches is achieved, and the larger the fluid flow speed is, the larger the stress of the annular impeller is. And the valve core is driven to select a larger angle to correspond to different outlet flow distribution conditions. According to the flow distribution adjusting device, the complexity of an adjusting system can be reduced, the flow resistance caused by flow distribution adjustment is reduced, and then the energy consumption of a power source in a liquid system is reduced.

The invention provides a curved surface profiling polishing device and process based on force rheology and a chemical synergistic effect. The device comprises a bottom box body, a driving motor and a main shaft are arranged in the bottom box body, and a polishing head with a profiling tool is installed on the main shaft and is immersed in a polishing solution with a specific formula. A lead screw module is arranged at the top of the box body and used for accurately controlling the position and posture of the curved-surface workpiece, the outer contour surface of the polishing tool is matched with the curved surface of the workpiece in height, and efficient profiling polishing is achieved. According to the device, the stability and efficiency of force rheological polishing are improved by optimizing the structural design and improving a polishing solution system. Especially, through height matching of the profiling polishing tool and the curved surface of the workpiece, the technical bottlenecks that a traditional method is difficult to adapt to complex curved surfaces and polishing quality is difficult to guarantee are effectively broken through. And by optimizing polishing parameters, nanoscale precision machining of the surface of the curved-surface workpiece is achieved, and the surface quality is remarkably improved.

The invention relates to a method for removing organic oligomers in a saturated ammonium sulfate liquid system discharged by an acrylonitrile ammonium sulfate device crystallizer, belongs to the field of chemical waste liquid resource recycling, and particularly relates to a method for removing organic oligomers in a saturated ammonium sulfate liquid system discharged by an acrylonitrile ammonium sulfate device crystallizer. The invention aims to solve the technical problem that the ammonium sulfate polymer waste liquid discharged by the crystallizer of the existing acrylonitrile ammonium sulfate device affects the stable operation of the incinerator of the environment-friendly device. After being treated by the method, the amount of the recyclable ammonium sulfate liquid is 80-90%, the amount of the separated oligomer liquid is 10-20%, the concentration of the oligomer in the separated oligomer liquid is 70-80%, and the amount of ammonium sulfate in the separated and incinerated oligomer liquid is only 1-4.5% of the amount of ammonium sulfate in the original incineration liquid, so that the influence of ammonium sulfate on an incinerator can be greatly relieved or eliminated; and long-term stable operation of the incinerator device is ensured.

The invention discloses an acid liquid system based on synergistic interaction of a corrosion inhibitor and an iron stabilizer and a preparation method, and relates to the technical field of oilfield chemistry, the acid liquid system comprises the following components by mass: 10%-20% of an acid liquid, 0.5%-3% of a composite corrosion inhibitor, 0.5%-2% of an iron stabilizer, 0.1%-0.5% of a discharge aiding agent, 0.2%-0.8% of an acid thickening agent, and the balance of water; the main component of the composite corrosion inhibitor in the acid liquid system is long-chain alkyl bis-imidazoline-thiadiazole amide hydroxypropyl sulfobetaine, and the composite corrosion inhibitor contains a bis-imidazoline ring and a thiadiazole amide ring, and can form more stable multi-active-site adsorption on the metal surface to form a compact and stable protective film, so that the metal surface corrosion resistance is improved, and the metal surface corrosion resistance is improved. Long carbon chains in molecules can effectively block corrosive media, N, O and S heteroatoms in the molecules are adsorbed on the iron surface through lone pair electrons to inhibit corrosion, the slow-release effect is further enhanced, and therefore the slow-release efficiency is improved by 40% or above.

The invention relates to a method for decalcification and carbon sequestration of fly ash water washing liquid. According to the method, the extraction effect of insoluble organic amine on acid is utilized to improve the pH value of a water washing liquid system, CO2 is continuously absorbed, and calcium in the fly ash water washing liquid is completely removed; the amine in the organic phase is regenerated through alkali, and meanwhile, a small amount of organic diluent mixed in the water washing liquid is separated from low-boiling-point azeotrope containing the organic diluent at the tower top through azeotropic distillation, so that recycling is realized. The prepared calcium carbonate product is small in particle and high in purity, is a high-quality vaterite type calcium carbonate particle, can be used as a very good adsorbent and additive material, and has wide application in multiple fields.

The invention discloses a TDCR absolute measurement method for rapidly determining a Birk factor, which comprises the following steps: aiming at a scintillation liquid system of the Birk factor to be determined, manufacturing a radioactive sample source with the known activity A, injecting the radioactive sample source into a scintillation bottle, and putting the scintillation bottle into a liquid scintillation spectrometer; the method comprises the following steps of: initializing the value of a Birk factor, constructing a detection efficiency relational expression of three PMTs of PMTs, gradually changing the distance between a focusing electrode of each PMT and scintillation liquid to change the detection efficiency and a quenching indication parameter, iteratively optimizing the Birk factor by utilizing the detection efficiency relational expression, solving the optimal Birk factor and a corresponding efficiency value, and completing measurement. According to the TDCR absolute measurement method for rapidly determining the Birk factor, calibration of the scintillation liquid can be rapidly completed, subsequent absolute measurement is facilitated, and the convenience and accuracy of the absolute measurement method are greatly improved.

The present invention provides a device system and method for preventing amines from escaping in a carbon dioxide amine capture process, wherein the device system comprises an absorption tower system, an amine liquid system and a desorption tower system connected in sequence; a tube bundle droplet removal device is arranged on the upper part of the absorption tower system. The device system has a simple structure and is easy to operate and control. The method of the present invention adopts a tube bundle droplet removal device to remove amine droplets carried in the exhaust airflow of the absorption tower, thereby preventing environmental pollution and a large amount of amine liquid loss; the method has low processing cost, high removal efficiency of amine droplets in the airflow, and good economic and environmental benefits.

The invention discloses a crystallization method of recombinant human insulin, which belongs to the technical field of biological medicine, and comprises the following steps: taking a sample containing recombinant human insulin, carrying out column chromatography salt conversion to obtain a salt conversion eluent, then adding purified water, adjusting the pH value to prepare a solution to be crystallized, and adding an acid solution, a zinc salt solution and arginine to obtain a crystallization solution; and adjusting the pH value and temperature of the crystallization liquid, and crystallizing to obtain the hexahedral crystal. According to the method, the to-be-crystallized solution is prepared from the purified and prepared qualified eluent containing the human insulin in a chromatography salt conversion mode, and the preparation mode of the to-be-crystallized solution is simple, efficient and easy to operate; the crystallization liquid system is simple, only acid, zinc salt and arginine need to be added into the to-be-crystallized solution, phenols and organic solvents do not need to be added, and chemical substance residues are avoided. The residual salt and the organic solvent in the salt conversion concentrated solution are fully utilized to participate in the crystallization reaction, the solvent does not need to be repeatedly added, the reagent is saved, and the process time is shortened.

The liquid path system comprises a gas supply unit, a liquid supply unit, a liquid mixing unit, a gas-liquid path switching unit, a main flow channel unit and a waste liquid collecting unit, and the gas supply unit comprises a gas storage device, a main gas path assembly, a reagent bottle gas path assembly, a liquid mixing bottle gas path assembly, a high-pressure purging gas path assembly and a low-pressure purging gas path assembly; the liquid supply unit comprises a plurality of main reagent bottles and a plurality of transition bottles; the liquid mixing unit comprises a target liquid mixing bottle connected with the liquid mixing bottle gas path assembly, and a liquid inlet of the target liquid mixing bottle is connected with at least two transition bottles; the gas-liquid path switching unit is connected with a liquid outlet of the target liquid mixing bottle, the target transition bottle and the low-pressure purging gas path assembly. The main flow channel unit comprises a sealed reaction cavity connected with the gas-liquid path switching unit through a multi-path liquid separator, and a liquid inlet of the main flow channel unit is provided with a multi-way electromagnetic valve connected with the high-pressure purging gas path assembly. According to the liquid path system, different reagents can be switched without cross contamination, and a plurality of areas can be communicated at the same time for chemical reaction.

The invention particularly discloses a fractured rock mass grouting three-dimensional visualization test device and method, and relates to the technical field of rock mass engineering. The device comprises a test box body, a liquid inlet and outlet system, a monitoring system and a dynamic water environment simulation assembly, the test box body is made of a transparent acrylic material and is composed of an upper cover plate, a lower cover plate, a front cover plate, a rear cover plate, a baffle and two side cover plates, and a core experiment module is arranged in the test box body; the liquid inlet and outlet system is sequentially connected with the liquid holding device, the peristaltic pump, the valve, the Doppler flow velocity sensor and the test box body through rubber pipes; the monitoring system integrates an image collection unit and a data monitoring unit, an industrial-grade 3D camera and a binocular camera achieve visualization of the displacement process, and a fiber bragg grating pressure sensor synchronously collects fracture pressure data and transmits the fracture pressure data to a computer through a multifunctional data collection module. The device can be used for observing the displacement process of the slurry in the three-dimensional fracture in real time, synchronously monitoring key parameters, adapting to complex test working conditions and providing reliable support for grouting law research.

A refrigeration device includes an outer frame box, a refrigerant system, a cooling liquid system, a heat exchanger and a fan assembly. The refrigerant system and the cooling liquid system are connected to the heat exchanger, and the refrigerant and the cooling liquid exchange heat in the heat exchanger. The fan assembly is configured to provide power for the flow of airflow in the outer frame box. The cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly are sequentially arranged in the outer frame box along a flow direction of the airflow. The layout of the cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly in the outer frame box is reasonable, so that the cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly can form a compact layout in the outer frame box.

Safe operation of a liquid system separation device 1 comprising a tank 10 with a tank inlet 17 and a tank outlet 13 and a debubbler 20 in between of these, wherein a debubbler outlet 241 is in fluid communication via a flow passage 30 with the tank outlet 13 is enhanced if a first mesh 50 is located in the flow passage 30 and / or in front of an inlet 37 of the flow passage 37 and / or between the tank volume 11 and the tank outlet and / or if a first shield 50 is located above the flow passage inlet 37 and extends over debubbler outlet 37 while not blocking a fluid communication between the debubbler 20 and the flow passage inlet 37.

The invention relates to a high-tolerance PMP hollow fiber degassing membrane and a preparation method and application thereof.The high-tolerance PMP hollow fiber degassing membrane comprises a body, one side of the body is an inner surface facing an inner cavity, the other side of the body is an outer surface, a non-directional zigzag channel is formed in the body, and the thickness of the degassing membrane is 10-50 microns; the O2 permeation rate of the degassing membrane is 10 to 100 ml / (min.bar.m < 2 >); the XRD crystallinity of the degassing film is not lower than 60%; the degassing film contains a crystal form I belonging to a tetragonal crystal system, wherein the crystal form I accounts for 60-98.5% of the whole crystal form; under the action that the air inlet pressure is 0.5 MPa, an isobutanol solution containing methyl orange serves as a standard solution to fill the outer surface of the hollow fiber degassing membrane, breakthrough time testing is conducted on the hollow fiber degassing membrane, and the breakthrough time of the hollow fiber degassing membrane is larger than 60 min. The degassing membrane disclosed by the invention is mainly suitable for being applied to the field of liquid systems with certain corrosivity and relatively active chemical properties, such as ceramic ink, UV ink and the like, and has the advantages of extreme tolerance, good degassing rate and relatively high degassing efficiency.

The invention discloses a carbon dioxide formation leakage monitoring device and method based on distributed optical fiber sensing. The device comprises a simulated formation, an injection system and a DTS system. A thermal insulation device, a thermometer and a production well system are mounted on the simulated stratum; the injection system is used for injecting carbon dioxide and liquid into the simulated stratum; the DTS system comprises a light source assembly, an optical fiber group, a detection assembly and a data acquisition and processing unit which are connected in sequence; a plurality of monitoring points of the optical fiber group are arranged, and the plurality of monitoring points are arranged in the simulated stratum at intervals; the detection assembly is used for detecting Rayleigh scattering frequency shift and Rayleigh backscattering light intensity and phase in the optical fiber group, and the data acquisition and processing unit is used for acquiring signals output by the detection assembly and performing data processing and analysis. According to the invention, fine monitoring and continuous monitoring of carbon dioxide stratum leakage can be realized, the environmental interference resistance is high, and the installation and maintenance cost is low.

The invention relates to a method for separating and purifying a liquid system, the liquid system comprises an ionic liquid with the concentration ranging from 0.05 mol / L to 6.0 mol / L and a metal salt with the concentration ratio of the ionic liquid to the metal salt ranging from 2: 1 to 1: 2, and the method comprises the following steps: carrying out first-stage electrodialysis on the liquid system at the first current density ranging from 0.1 mA / cm < 2 > to 50 mA / cm < 2 >, and carrying out second-stage electrodialysis on the liquid system at the second current density ranging from 0.1 mA / cm < 2 > to 50 mA / cm < 2 >; an ionic liquid primary product and a metal salt primary product are obtained; evaporating the ionic liquid primary product and the metal salt primary product to obtain an ionic liquid concentrated solution and a metal salt concentrated solution; and performing second-stage electrodialysis on the ionic liquid concentrated solution and the metal salt concentrated solution at a second current density of 0.1-50mA / cm < 2 > to obtain an ionic liquid product and a metal salt product. According to the method disclosed by the invention, all process links are properly joined and organically coupled, and the method is operated at normal temperature and normal pressure, has relatively high production efficiency, is easy for large-scale development, is an additive-free, basically secondary-waste-free and green method, and has industrial application value.

The invention provides a method for recycling battery-grade manganese sulfate from manganese-containing feed liquid. The method comprises the following steps: (1) carrying out resin adsorption on a manganese-containing feed liquid to obtain a nickel-cobalt adsorbate and an adsorbed feed liquid; (2) sequentially carrying out extraction treatment and reverse extraction treatment on the adsorbed feed liquid to obtain a solution containing manganese sulfate and an organic phase after reverse extraction; (3) carrying out evaporative crystallization on the solution containing manganese sulfate to obtain battery-grade manganese sulfate; positive ions in the manganese-containing feed liquid comprise manganese ions, nickel ions, cobalt ions, calcium ions and magnesium ions, and negative ions in the manganese-containing feed liquid comprise sulfate ions; an extraction agent adopted in the extraction treatment process comprises an HBL116 extraction agent. According to the method disclosed by the invention, metal oxidation hydrolysis cannot be caused to generate a third phase, the extraction process is stable, enrichment of a high-concentration manganese sulfate solution is realized, high-purity manganese sulfate crystals with qualified impurities are obtained, and efficient recovery of manganese in a high-calcium-magnesium feed liquid system can be realized; and a complicated recovery process is not needed, so that the cost is lower.

The invention discloses a high-strength hollow glass microsphere and a preparation method thereof. The method comprises the following steps: 1) synthesizing a feed liquid system of the hollow glass microsphere; 2) synthesizing precursor particles; and 3) vitrification sintering: conveying the precursor particles by adopting a low-airflow double-plunger pump, and carrying out vitrification sintering to prepare the hollow glass microspheres. According to the method, a low-airflow double-plunger pump is adopted to replace a Venturi jet pump to convey precursor particles, the product with the strength remarkably improved is prepared, and the strength of the product is improved by at least 7% and can be improved by 13% at most.

The invention relates to the technical field of wave-absorbing materials, in particular to a broadband wave-absorbing material and a preparation method and application thereof. According to the preparation technology of the wave-absorbing material, a non-woven fabric carrier with graded pores and continuous gradient distribution is constructed by virtue of induction of a centrifugal force field, and then the non-woven fabric carrier is placed in a magnetic dispersion liquid system to be subjected to impregnation ultrasonic dispersion load treatment, so that heterogeneous interface structures are constructed on the surfaces and the interiors of fibers, and the prepared material fabric has the characteristics of light weight and broadband wave-absorbing performance; the method is suitable for military and civil high-tech fields such as electromagnetic protective clothing and invisibility. The method has the advantages of short production period, high raw material utilization rate and the like.

The present application relates to the technical field of energy, and provides an energy storage device, an optical storage system, and a charging network in order to solve the technical problem of poor applicability of energy storage devices. The energy storage device provided by the present application comprises a thermal management module, a battery module, a heat dissipation module, and a compressor which are individually integrated. The thermal management module comprises a first heat exchanger, a first throttle valve, and a multi-way valve therein, and a housing of the thermal management module is provided with connection ports connected to the other modules. The multi-way valve in the thermal management module can switch passage and blockage states of different connection ports to change the circulation path of a cooling liquid. In the energy storage device provided by the present application, various different operational modes can be implemented. During deployment, different modules can be connected to form an efficient cooling liquid system, improving deployment flexibility and facilitating installation. In later stages, modules that require updates or iterations can be easily replaced, providing improved convenience.

The utility model provides a gas-liquid valve assembly and a gas-liquid system, and belongs to the technical field of endoscope gas-liquid valves.The gas-liquid valve assembly comprises a first valve seat, a second valve seat, a third valve seat and a fourth valve seat, the first valve seat is provided with a first valve cavity, a gas inlet, a water inlet, a gas outlet and a water outlet, and the first valve cavity comprises a first position and a second position; the first valve element is movably arranged in the first valve cavity, and a first element opening is formed in the first valve element; the second valve seat is provided with a second valve cavity, a suction inlet and a suction outlet, and the second valve cavity comprises a third position and a fourth position; the second valve element is movably connected with the second valve seat, and the second valve element is provided with a second element opening. The gas-liquid valve assembly has the beneficial effects that gas injection, water injection, vacuum and liquid suction operations are achieved through the gas-liquid valve assembly, switching of the operations can be completed by blocking the first core opening or the second core opening through fingers and pressing the first valve element or the second valve element, and the gas-liquid valve assembly is very simple and convenient to use.

The present invention discloses a method, device and equipment for optimizing the process parameters of a flue gas CO2 capture device. The method includes: predicting the key operating parameter data of offline analysis in the amine liquid system of the CO2 capture device based on the real-time measurement data of the CO2 capture device obtained in real time and a pre-trained gated recurrent neural network model; using the predicted key operating parameter data of offline analysis and the real-time measurement data to automatically control and adjust the CO2 capture device and the basis for operators to adjust the operating parameters, so as to optimize and control the process of the CO2 capture device in real time. The deep learning model of the CO2 capture device is used to predict the key parameters that can be measured in real time and require offline analysis, so as to control the operation state of the whole device to a state close to the optimal state, which not only ensures CO2 capture and product purity, but also reduces the amount of public works and energy consumption, reduces solvent loss, thereby reducing the cost of carbon capture and improving the flexibility and convenience of device operation.

The invention discloses a high-barrier BOPET (Biaxially Oriented Polyethylene Terephthalate) film and a preparation method thereof. Comprising the following steps: carrying out melt extrusion on dried polyester chips, cooling cast sheets, and then carrying out longitudinal stretching; after corona treatment, double surfaces are coated with a coating liquid, and the thickness of the coating is controlled to be 0.5-1 [mu] m; then transversely stretching and shaping at high temperature, so that the coating is fully crosslinked and cured; and finally, carrying out sectional cooling and rolling to obtain the BOPET film. The preparation method has the beneficial effects that the modified monomer with a quaternary ammonium salt structure is chemically synthesized and is applied to a coating liquid system of the BOPET film, so that the comprehensive performance of the film is remarkably improved.

The application discloses a wastewater degradation device based on dielectric barrier discharge coupling optical waveguide catalysis, which comprises a reactor, a liquid circulating system and a power supply. The reactor is used for degrading and treating the wastewater delivered by the liquid circulating system. The reactor comprises a red copper rod, a ceramic medium and an outer tube. The red copper rod and the ceramic medium are arranged in the outer tube. The ceramic medium and the outer tube form a plasma discharge area. The upper end of the outer tube is provided with an upper cover. The upper cover and the outer tube form a liquid inlet channel. The liquid inlet channel is communicated with the plasma discharge area. The power supply is electrically connected with the reactor. The red copper rod is used for forming a high-voltage electric field in the plasma discharge area. When the wastewater passes through the plasma discharge area, active substances generated by dielectric barrier discharge can degrade the wastewater. The circulating liquid system is used for delivering the degraded wastewater into the reactor again for secondary degradation. Through the above device, the wastewater can be cyclically degraded and treated, and the degradation effect of the wastewater is improved.

The invention discloses a thermal management system for a hybrid power vehicle and a use method of the thermal management system. The system comprises a refrigerant system, a first cooling liquid system and a second cooling liquid system, the refrigerant system is used for absorbing heat through a first heat exchanger by adopting a heat pump technology so as to heat a passenger compartment and / or a battery, or dissipating heat through the first heat exchanger so as to refrigerate the passenger compartment and / or the power battery; the first cooling liquid system is used for dissipating heat generated when a heat source component of the electric drive system works into the atmosphere or through the first heat exchanger, absorbing heat through the first heat exchanger and dissipating the absorbed heat into the atmosphere, and absorbing heat through the second heat exchanger and dissipating the absorbed heat into the atmosphere. The absorbed heat is dissipated through the first heat exchanger; and the second cooling liquid system is used for dissipating heat generated by working of the engine into the atmosphere or dissipating the heat through the second heat exchanger.

The present invention is directed to an analytical method, using surface waves excited in a liquid system forming part of a sensor, to determine a property of a test substance. An aspect of the disclosure provides a method for controlling a sensor for determining a property of a test substance, the sensor having a sensitivity and dynamic range, the sensor comprising: a liquid system comprising: a bulk liquid phase carrying a thin film on the surface of the bulk liquid phase: wherein the thin film comprises a film material and wherein the thin film exhibits an electrical response to mechanical stress and vice versa wherein said response depends on the thermodynamic state of the liquid system, the sensor configured to: contact the surface of the liquid system with the test substance thereby to generate a surface wave on the liquid system: and, determine the property of the test substance based on parameters of the surface wave: wherein the method for controlling the sensor comprises: controlling the sensitivity by changing a thermodynamic parameter of the liquid system.

The invention discloses a temperature control cabinet which comprises a cooling liquid branch and a heater arranged on the cooling liquid branch. The first air bath system comprises an inlet A and an outlet B which are used for being connected with a temperature control environment air return end, and a first heating element is arranged on a first heat exchange branch between the inlet A and the outlet B; the second air bath system comprises an inlet C communicating with the outlet B, a second heat exchange branch conducting cold and heat exchange with the cooling liquid system, an outlet D connected with the second heat exchange branch and used for being connected with the temperature control environment air supply end, and a second heating element arranged on the second heat exchange branch. The detection system is at least used for detecting the temperature of fluid or gas of the cooling liquid branch, the first heat exchange branch and the second heat exchange branch; the control system is used for determining a temperature control deviation value according to detection information of the detection system and controlling at least one of the heater, the first heating element and the second heating element to work, the temperature control precision is improved, and the airflow cooling effect is guaranteed.

The invention relates to the technical field of temperature regulation and control, in particular to a method for dynamically regulating the preparation temperature of an ester-based metal working fluid which comprises low-carbon ester base oil, an environment-friendly emulsifier, an anti-wear reagent at extreme pressure, a low-carbon preservative, a corrosion inhibitor and an auxiliary additive. The dynamic temperature adjusting method comprises the steps that basic heating power is set for low-carbon ester base oil, and the low-carbon ester base oil is heated to a first set temperature range through PID control; an environment-friendly emulsifier adding process and an extreme pressure anti-wear agent adding process are executed respectively, temperature adjustment is carried out based on a neural network and an image monitoring system in the adding process, and the temperature is controlled to reach a third set temperature range after adding is completed; a low-carbon preservative and a corrosion inhibitor are added at the same time, and temperature adjustment is conducted through PID control in the adding process; according to the method, real-time temperature feedback and self-adaptive adjustment can be achieved, and it is ensured that the temperature of each stage is kept within the optimal range needed by the material.

The utility model relates to the technical field of refrigerating systems, in particular to an air-liquid fusion system which comprises a CDU cabinet, an air cooling system and a liquid cooling system. A heat exchanger is arranged between the air cooling system and the liquid cooling system; the liquid cooling system comprises a first main water tank, a spraying pipe, a first wet film and a first water receiving disc; one end of the CDU cabinet is communicated with the spraying pipe; liquid sprayed by the spraying pipe enters the first water receiving disc after passing through the first wet film; the first water pan is communicated with the first main water tank; and the first main water tank is communicated with the other end of the CDU cabinet after passing through the heat exchanger. The air cooling system and the liquid cooling system are arranged, and heat exchange is carried out on the air cooling system and the liquid cooling system through the heat exchanger, so that air-liquid system fusion is achieved, and the heat dissipation requirement of a high-density machine room air conditioner is met.

The invention discloses a potassium-rich liquid decalcification method based on a titanate ion sieve, and relates to the technical field of high-salinity water body ion removal, and the removal method comprises the following steps: adding the titanate ion sieve into a potassium-rich liquid water body as an adsorbent under a constant temperature condition, oscillating the potassium-rich liquid added with the adsorbent for a certain period of time, and removing calcium ions in the potassium-rich liquid; calcium ions in a potassium-rich liquid system can be remarkably removed, and then the titanate ion sieve is put into a NaCl solution for elution, so that elution of the calcium ions in the titanate ion sieve is realized. By constructing an efficient decalcification system, efficient removal of calcium ions in the potassium-rich liquid is achieved, meanwhile, cyclic utilization of ionic titanate is achieved, high adsorption capacity can still be kept in multiple cyclic adsorption-desorption cycles, the economic benefits of potassium salt extraction are improved, and the method can meet the actual requirements of industrial production.

The invention relates to the field of biological pharmacy, and discloses a preparation method of an MPL adjuvant, which comprises the following steps: dissolving an MPL raw material in a buffer solution to obtain an MPL solution; adding a freeze-drying protective agent into the MPL solution to form a stable liquid system; carrying out pre-freezing treatment of cooling by stages on the obtained solution; freezing and drying the pre-freezing system under a temperature control condition to obtain freeze-dried powder; and sealing the freeze-dried powder in a treated packaging material to form a final product, the freeze-drying protective agent is prepared from trehalose, a polyethylene glycol-polylactic acid segmented copolymer (PEG-PLA) and L-methionine. A dynamic temperature regulation and control technology is adopted, the temperature of the shelf is adjusted in real time, the sample temperature is kept in a subcritical interval of-42 DEG C to-38 DEG C, the sublimation rate is ensured to be stable, lipid heat stress caused by too high temperature is avoided, and it is also prevented that the drying efficiency is affected by too low temperature.