30results about How to "Fast consumption" patented technology

The invention belongs to the technical field of synthesis of ether organic compounds, and particularly relates to a one-pot catalyst-free method for preparing ethylene glycol dimethyl ether from ethylene glycol, which comprises the following steps: (1) adding ethylene glycol into a reaction kettle, heating to 120-140 DEG C, introducing methane chloride, and controlling the introduction amount of methane chloride to be 20-50% of the total molar amount of ethylene glycol; (2) adding NaOH into the reaction kettle in batches, and stirring for reaction at the reaction temperature of 120-140 DEG C; (3) after the last batch of NaOH is added, sampling and detecting every 20-25 minutes, and measuring the concentration lt of NaOH in the reaction liquid; and when the concentration is 0.05 mol / L, finishing the reaction, filtering, and carrying out post-treatment rectification on the filtrate to obtain the ethylene glycol dimethyl ether. The preparation raw material ethylene glycol can be derived from biomass or coal, dependence on petroleum resources is reduced, and meanwhile the preparation method has the advantages of being few in side reaction and low in production cost.

The invention provides a hydrogen-ammonia mixed low-nitrogen combustor, and belongs to the technical field of combustors. The technical problem of gas combustion with hydrogen and ammonia serving as fuel at present is solved, and the problems that due to the fact that the ammonia combustion reaction activity is poor, the hydrogen combustion speed is high, a nozzle is burnt by tempering, and the NOx emission concentration is high are solved. The device comprises a hydrogen introduction pipe, an ammonia gas introduction pipe, a fuel gas mixer, an annular header, ammonia gas branch pipes and ammonia gas nozzles. The hydrogen introducing pipe comprises a central hydrogen pipe and a combustion-supporting hydrogen pipe, the outlet end of the central hydrogen pipe is located in the annular collecting box, the input end of the combustion-supporting hydrogen pipe is connected with the central hydrogen pipe, the output end of the combustion-supporting hydrogen pipe is connected with the fuel gas mixer, and the output end of the ammonia introducing pipe is connected with the fuel gas mixer; the output end of the gas mixer is connected with an annular header, the annular header is connected with a plurality of ammonia branch pipes, the ammonia branch pipes are annularly arranged, and ammonia nozzles are arranged at the outlet ends of the ammonia branch pipes. The device is mainly used for hydrogen-ammonia mixed combustion.

The invention discloses a quartz fiber with an yttrium oxide coating and a preparation method of the quartz fiber, and belongs to the field of preparation of wave-transparent ceramics. Aiming at the problem that the performance of the existing quartz fiber is reduced at a high temperature, the invention provides the preparation method of the quartz fiber with the yttrium oxide coating, which comprises the following steps: impregnating the quartz fiber by using yttrium oxide sol, and drying and sintering the impregnated quartz fiber to obtain the quartz fiber coated with the yttrium oxide coating on the surface; the preparation process of the yttrium oxide sol comprises the following steps: sequentially adding a coordination agent and a stabilizer into a yttrium nitrate solution, stirring and dissolving to form a mixed solution, adding a pH regulator to adjust the pH value of the mixed solution to 7-8, heating to a target temperature, and cooling to obtain the yttrium oxide sol. The yttrium oxide coating covers the surface of the quartz fiber, so that the high-temperature sintering resistance of the quartz fiber can be greatly improved; the preparation process of the yttrium oxide sol is simple in technology and low in cost, the prepared yttrium oxide sol is good in stability and can be better attached to the surface of the quartz fiber, and the dipping effect is improved.

The continuous insect breeding system comprises a plurality of breeding tanks, an insect material inlet and outlet device, a water and air supply device and the like, water is supplied upwards and downwards from the middle breeding tank, and two independent water supply channels are formed; air is supplied upwards from the bottommost breeding tank and exhausted after passing through the topmost breeding tank. The water storage device of one breeding tank comprises a water flow channel plate with a plurality of parallel grooves, the water flow channel plate and water distribution pipes on the two sides are installed below a tank body transverse plate together and connected with a water receiving opening through the water distribution pipes, and the water receiving opening, the water distribution pipes, the water flow channel plate and the transverse plate form a plurality of independent water flow channels. Through reverse air supply, bottom-layer materials are quickly dried, and the situation that larva eating is reduced due to the fact that upper-layer foodstuff is too quickly dried is prevented; cooling water enters from the middle and is discharged from the top layer and the bottom layer, heat generated by the middle breeding tank can be effectively taken away, meanwhile, the top layer breeding tank and the bottom layer breeding tank are heated, the activity of larvae in the top layer breeding tank is improved, and evaporation of water of materials in the bottom layer breeding tank is accelerated.

The utility model discloses an acrylic resin production stirring kettle which is characterized in that a flowing groove and a sprinkler head are arranged in a kettle body, an energy gathering tank is arranged, and a hot water cavity, a standby cavity and a cold water cavity are arranged in the energy gathering tank, so that hot water in the hot water cavity exchanges heat with the kettle body through the flowing groove during polymerization reaction; when the temperature in the kettle body is too high, cold water in the cold water cavity is poured into the flowing groove to absorb heat in the kettle body, warm water completing heat exchange is stored in the standby cavity, and raw materials are discharged after processing is completed; the inner wall of the kettle body is flushed through hot water in the hot water cavity and the sprinkler head, warm water in the standby cavity is fed into the hot water cavity for supplementing, energy consumption during heating is reduced, raw materials in the kettle body can be rapidly cooled through the arrangement, redundant heat energy in the kettle body can be utilized, and energy consumption is reduced.

The utility model provides a wearable mobile terminal auxiliary device belongs to wearable equipment technical field, including wearable device body, camera module, flexible bending sensor and control module, camera module, flexible bending sensor and control module all are fixed on wearable device body, camera module and flexible bending sensor are connected with control module electricity, the wearable device body includes glove and shell, the shell is equipped outside glove, the shell includes hand back and finger sleeve part, and finger sleeve part is connected with hand back through second connecting mechanism rotation, the flexible bending sensor is located wearable device body on the inside of the finger sleeve part of control finger, the camera module is fixed at the palm center of glove, the utility model discloses can when scanning the information code on agricultural product package, has alleviated the hand burden of staff, and does not influence carrying and other activities, has improved work efficiency.

The invention provides an inlet silencing device of a turbocharger compressor, a compressor inlet is provided with a plurality of silencing cavities, a vibrating plate of a cantilever is arranged in at least one silencing cavity, at least one electrostatic driver is arranged on a vibrating path of the vibrating plate, local deformation is generated by controlling the electrostatic driver, and the compressor inlet silencing device is used for silencing the compressor inlet. The electrostatic actuator is caused to interfere with the vibration of the vibration plate. The electrostatic driver is arranged in the resonant cavity, the electrostatic driver makes contact with or is separated from the vibrating plate, so that the amplitude of the vibrating plate is changed, and the electrostatic driver and the vibrating plate can be selectively made to make contact with or be separated from each other according to the detected pressure change or noise of an outlet of the turbocharger; and the influence of synchronization impulse noise can be reduced or weakened.

The invention relates to the technical field of power distribution pipe gallery construction, and discloses a cabinet fire extinguishing system based on a perfluorohexone power distribution pipe gallery, the cabinet fire extinguishing system comprises a main body assembly, the power distribution pipe gallery, a cable bridge, a cable and an electric box, the cable bridge is fixed on the inner wall of the power distribution pipe gallery, the cable is located on the cable bridge, and the electric box is fixed on the main body assembly. The electric box is arranged on the inner wall of the power distribution pipe gallery; and the fire extinguishing assembly is arranged in the electric box and comprises a fixed seat fixed in the electric box. The beneficial effects of the invention are that through the arrangement of the fire extinguishing assembly, when a fire occurs in the electric box, the ventilation opening of the electric box can be quickly sealed, so that the fire is prevented from spreading, meanwhile, oxygen in the electric box can be quickly consumed in a closed environment, so that the fire is inhibited, and after the ventilation opening of the electric box is sealed, the fire extinguishing effect is improved. The fire extinguishing pipes can move to the central position of the electric box, through the combined action of the upper fire extinguishing pipe and the lower fire extinguishing pipe, a fire source can be covered rapidly and evenly, and therefore fire disasters can be better extinguished.

The utility model relates to the technical field of evaporation boxes, and discloses a high-temperature evaporation box for chicken oil production, which comprises a box body and an upper cover, the upper cover is covered above the box body, a liftable silica gel plate is arranged in the box body below a support plate, and through holes are formed in the surface of the support plate and the surface of the silica gel plate. A connecting rod is vertically connected to the middle of the surface of the silica gel plate and penetrates to the upper portion through a penetrating hole formed in the middle of the surface of the supporting plate, an annular plate is fixed to the outer ring of the connecting rod above the supporting plate in a surrounding mode, and a spring sleeves the outer ring of the connecting rod between the annular plate and the supporting plate. According to the technical scheme, the silica gel plate is arranged below the supporting plate in the box body and can be matched with the upper cover to be attached to the lower surface of the supporting plate or separated from the supporting plate, after the upper cover is taken away, the supporting plate is attached to the silica gel plate, the staggered through holes formed in the surfaces of the supporting plate and the silica gel plate are blocked, and at the moment, water vapor below cannot leak out; the steam is prevented from influencing sight, operation is convenient, and emission of steam is reduced.

The utility model discloses a Mylar film structure for aluminum shell battery, aluminum shell battery and electronic product belong to battery technical field, including Mylar film body, Mylar film body includes first cladding piece, second cladding piece and the connecting cladding piece of first cladding piece and second cladding piece are connected respectively, recesses is formed in first cladding piece and is used to store the first liquid storage groove of electrolyte, recesses is formed in second cladding piece and is used to store the second liquid storage groove of electrolyte, first liquid storage groove and second liquid storage groove all are located on the side surface of battery roll core. The utility model reaches the technical effect of improving diffusion efficiency, and promotes the long -term cycle performance of battery.

The invention provides a control method, device and system for a hybrid vehicle. Compared with an existing scheme, the method has the advantages that the starting and stopping states of the engine are switched more reasonably by considering the frequency of the torque, so that the service life of the engine is not too fast like that of the existing scheme, and the service life of the engine is prolonged; therefore, the problem that the service life of the engine is short due to the fact that the starting and stopping states of the engine are switched at high frequency without considering the frequency of the torque in an existing scheme is solved.

The invention provides a hovering device for a power grid material storage unmanned aerial vehicle inspection system, which comprises an unmanned aerial vehicle, a goods shelf and a hovering mechanism, and is characterized in that the hovering mechanism can hover the unmanned aerial vehicle on the goods shelf and comprises a first hovering part arranged on the unmanned aerial vehicle; the first hovering part is arranged on the goods shelf, the second hovering part is arranged on the goods shelf, and hovering of the unmanned aerial vehicle relative to the goods shelf is achieved through matched butt joint of the first hovering part and the second hovering part; the first hovering part and the second hovering part are arranged on the unmanned aerial vehicle and the goods shelf, hovering of the unmanned aerial vehicle relative to the goods shelf is achieved through matching and butt joint of the first hovering part and the second hovering part, and therefore when a certain position is inspected in a timed mode, the unmanned aerial vehicle can hover, uninterrupted work of the unmanned aerial vehicle is not needed, and the time and labor are saved. Therefore, the waste of resources is avoided.

The invention is applied to the technical field of soil amendments, and discloses a soil amendment for long-acting inhibition of plant diseases and insect pests, and the soil amendment comprises the following components in parts by mass: 1-2 parts of a slow-release composite bacteriostatic agent, 0.3-0.5 part of a protective agent and 10-15 parts of a bearing substrate, a bacteriostatic material in the slow-release composite bacteriostatic agent is one of imidazolidinyl urea and bis (hydroxymethyl) imidazolidinyl urea. According to the soil conditioner capable of inhibiting diseases and insect pests for a long time, a mode of mixing the bacteriostatic agent with the ion exchange resin is adopted, so that the bacteriostatic agent can be slowly released after being fully mixed with soil, and the soil can obtain continuous bacteriostatic and insect pest-resistant effects after being improved; meanwhile, the soil conditioner can prevent common mites and fungal diseases through the protective agent composed of the christomycin and the deionized water, and the soil conditioner can be mixed with soil and cannot be consumed too fast in the mode that the slow-release composite bacteriostatic agent and the protective agent are loaded and put through the bearing matrix.

The utility model discloses a circuit heat dissipation device of a cooling fan, which comprises a plastic top shell, a main control circuit board, a function control circuit board, a rechargeable battery, a front surface cover, a rear water tank cover and a metal heat dissipation plate, the front part of the metal heat dissipation plate is tightly fixed on the surface of the circuit board mounting platform; a main control circuit board and a rechargeable battery are fixed at the top of the metal heat dissipation plate tightly fixed on the circuit board mounting platform section; the middle rear part of the metal heat dissipation plate extends and is inserted into the bottom of the wet curtain water diversion water tank; the circuit board installation platform is provided with the metal heat dissipation plate which extends to the wet curtain water diversion water tank, when the main control circuit board and the rechargeable battery generate heat, heat generated by heating can be directly transmitted to the metal heat dissipation plate and then transmitted to the rear portion of the metal heat dissipation plate to make contact with water, the heat is taken away by the water in the continuous flowing process of the water, and the heat dissipation effect is good. Therefore, cooling and heat dissipation of the metal heat dissipation plate can be realized quickly, and indirect heat dissipation of the main control circuit board and the rechargeable battery can be realized.

The invention discloses graded and sectional type vehicle-mounted screen surface cleaning equipment. The graded and sectional type vehicle-mounted screen surface cleaning equipment comprises a dust-free cloth winding and unwinding unit, a wiping unit located on a dust-free cloth conveying path and a vehicle-mounted screen conveying unit. On the one hand, on the basis of reverse transmission of the dust-free cloth and the vehicle-mounted screen, the cleanliness degree of the dust-free cloth making contact with the vehicle-mounted screen is increased step by step in the process of multi-time and segmented wiping, the cleaning effect is remarkably improved, meanwhile, the used dust-free cloth can be applied to cleaning of the next vehicle-mounted screen, consumption of the dust-free cloth is effectively reduced, and the cost is reduced; on the other hand, the wiping head synchronously ascends and descends and changes the V-shaped angle along with the change of the surface of the vehicle-mounted screen, so that the change of the surface of the vehicle-mounted screen is accurately matched, and the wiping requirement for the continuous and variable surface of the vehicle-mounted screen is flexibly met; and in addition, the wiping position of the dust-free cloth is adjusted online in real time, so that the dust-free cloth is guaranteed to wipe the surface of the vehicle-mounted screen in a reciprocating mode at different positions, secondary pollution is avoided, and the cleaning quality is guaranteed.

The embodiment of the present application relates to the technical field of heavy-duty coating, and discloses a marine facility corrosion protection layer regulation and control method suitable for strong salt spray environment, which comprises preparing a self-activated intermediate paint and applying it between a primer and a topcoat to form a composite protective layer; the core is that a double-triggered mineralization precursor is contained in the main agent of the self-activated intermediate paint, the precursor is composed of BF4 ‑ loaded hydrophobic modified zeolite and zinc phosphate coated water glass microparticles; when the coating is damaged, the corrosion microenvironment of the damaged area can synergistically trigger the zeolite to release BF4 ‑ to buffer the pH, at the same time trigger the dissolution of the coated water glass microparticles and release silicate ions; the released silicate ions react in situ with cations in the environment to generate mineralization products, plugging the damaged area. The present application can actively inhibit corrosion propagation and cathodic delamination after coating damage, significantly improving the long-term reliability and service life of the protective layer.

The invention relates to the field of heparin lithium, in particular to a preparation process of a heparin lithium solution, and solves the problems of low product purity, easy resin pollution, low activated carbon separation efficiency and the like in the traditional process. A high-purity pretreatment solution is obtained through raw material pretreatment, impurity adsorption by composite activated carbon and magnetic separation, efficient lithium ion replacement is achieved through double modified resin, elution parameters are accurately controlled to enrich products, micromolecular impurities are removed through ultrafiltration concentration and dialysis bag desalination subsequently, and finally the sterility of the products is guaranteed through high-pressure steam sterilization. Finally obtaining a heparin lithium solution; the dual modified resin improves the lithium ion selectivity and enhances the pollution resistance; the active carbon composite modification realizes high-efficiency removal and rapid separation of impurities, and reduces the loss of heparin sodium; protein pigment impurities are removed through modification of the heparin sodium, resin adsorption loss is reduced, and finally, the quality of the heparin lithium solution product is remarkably improved, the recovery rate is greatly increased, the production efficiency is optimized, and the process stability is enhanced.

The present application discloses a building sunscreen and heat-insulating coating and a preparation method thereof, which relate to the technical field of building coatings, and include a building sunscreen and heat-insulating coating A and a building sunscreen and heat-insulating coating B. The building sunscreen and heat-insulating coating A and the building sunscreen and heat-insulating coating B are mixed and then applied, and the mass ratio of the building sunscreen and heat-insulating coating A and the building sunscreen and heat-insulating coating B is 1-2:4, or the building sunscreen and heat-insulating coating B is applied first, and then the building sunscreen and heat-insulating coating A is applied after drying, and the application thickness ratio of the building sunscreen and heat-insulating coating B and the building sunscreen and heat-insulating coating A is 4:1; the present application has the following effects: the building sunscreen and heat-insulating coating B is applied first, and the modified silica aerogel B contains more boric acid microparticles, thereby enhancing the adhesion to the substrate and the durability of the coating, and then the building sunscreen and heat-insulating coating A is applied, and the modified silica aerogel A contained therein contains less boric acid microparticles, thereby providing more sun protection and durability.

The invention relates to the field of environmental pollution remediation, in particular to a dehalogenation bacillus strain with dichloromethane anaerobic degradation capacity and application of the dehalogenation bacillus strain. The strain is a dehalogenator strain DCM (Dehalobacter sp.) which is preserved in the China General Microbiological Culture Collection Center (CGMCC) on November 30, 2021, the preservation address is Institute of Microbiology, Chinese Academy of Sciences, No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.24007. The invention further discloses a preparation method of the dehalogenator strain. The novel dehalogenation bacillus strain DCM provided by the invention is separated and purified from polluted river sediment, the strain is gram-positive, rod-shaped and smooth in surface, the length of the strain is 1-2 mu m, and the diameter is 0.3-0.5 mu m. The strain can completely convert 160 micromoles of dichloromethane into formate and acetate within 7 days in an anaerobic inorganic salt culture medium, the degradation rate is as high as 32 micromoles D <-1 >, and it is indicated that the strain can efficiently degrade dichloromethane pollutants and has wide application prospects in environmental sewage treatment and environmental remediation.

The application discloses a mutant enzyme combination, genes, a recombinant plasmid, spermidine directed synthesis bacteria and application, and relates to the technical field of biological engineering. A carboxyspermidine dehydrogenase mutant of the mutant enzyme combination is subjected to amino acid mutation on the basis of an amino acid sequence shown in SEQ ID NO:1, the amino acid mutation is single-point mutation or combined mutation of F158A and D262E, and a carboxyspermidine decarboxylase mutant is subjected to amino acid mutation on the basis of an amino acid sequence shown in SEQ ID NO:2, the amino acid mutation is single-point mutation of L270A. The mutant enzyme combination is formed by the carboxyspermidine dehydrogenase mutant and the carboxyspermidine decarboxylase mutant through specific site mutation, the catalytic efficiency and reaction matching of continuous conversion of butanediamine and aspartic acid semialdehyde to spermidine are improved, thereby butanediamine accumulation is reduced, and the yield and conversion efficiency of spermidine are improved.

The invention relates to the technical field of image data processing and transmission, and provides an image data transmission and display method and system based on an Android platform and related equipment. According to the method, image display data generated on an application layer of an Android platform is obtained, driving transformation is conducted on a Linux kernel layer, and a buffer area used for storing the image display data is generated and mapped to a user space where an application program runs; reading image display data from a buffer area of user space mapping, and performing compression processing on the image display data through an image preprocessing model and an attention mechanism obtained through deep learning training to generate an image data block; and packaging the image data block in the graphic hardware module to generate a display data packet, constructing a sending queue based on the display data packet, and sending the sending queue to an LED display receiving end for display. Efficient data transmission is achieved, the path of data from generation to display is optimized, and the efficiency and quality of image data transmission and display are improved.

The invention relates to the technical field of gas mixing equipment, in particular to a gas uniform distribution mixer which is connected to a gas inlet pipe opening of an esterification tower and comprises a barrel, a supporting frame, a balance plate, a rectifier and a distributor, and the supporting frame is located in the barrel and comprises a front end connecting part, a shaft pipe and a rear end connecting part; the shaft tube is rotationally connected with the front end connecting part and the rear end connecting part, the shaft tube is communicated with the rear end connecting part, the rear end connecting part is communicated with an oxygen inlet outside the cylinder body, a balance plate and a plurality of distributors are connected to the shaft tube, air holes are uniformly distributed in the balance plate, the distributors are arrayed in the circumferential direction of the shaft tube, and the air holes are communicated with the air holes. Air outlet holes are formed in each distributor at intervals, the air outlet holes incline towards the rear end connecting part, and a rectifier connected to the inner wall of the cylinder body is arranged between the balance plate and the distributors. According to the invention, oxygen and NO gas are fully mixed and dispersed, local high temperature is avoided, and meanwhile, oxygen can be quickly consumed and is prevented from being doped into subsequent processes.

The utility model discloses biological filter deodorization equipment capable of purifying gas, which relates to the technical field of biological filters and comprises a gas purification box, a medicament barrel is arranged on the outer surface of the upper end of the gas purification box, a medicament inlet pipe is arranged between the lower end of the medicament barrel and the gas purification box, and an electric valve is arranged on the side wall of the medicament inlet pipe. A supporting frame is arranged on the outer surface of the lower end of the gas purifying box, a circulating pipe is arranged in the middle of the lower end of the gas purifying box, a circulating pump is arranged at the upper end of the circulating pipe, a filter is arranged at the upper end of the circulating pump, and a connecting port is formed between the upper end of the circulating pipe and the medicine inlet pipe; and the circulating pipe is detachably connected with the medicine inlet pipe through an arranged connecting port. According to the biological filter deodorization equipment capable of purifying the gas, disclosed by the utility model, a medicament in the gas purification box can be recycled and recycled, so that the medicament is more fully utilized, and resources are better saved.

The invention provides an FCCM mode output discharge control method, a control device and a switching power supply, which are applied to light no-load shutdown of the switching power supply, and the FCCM mode output discharge control method comprises the following steps: a power-down shutdown type identification step: identifying whether the power-down shutdown type is input voltage non-open-circuit type power-down shutdown or input voltage open-circuit type power-down shutdown; a shutdown control strategy execution step: executing a corresponding control strategy according to the power-down shutdown type, detecting a negative current peak value in real time when the output flows backward to the input in the shutdown process, and limiting the negative current peak value within a negative current threshold value, during shutdown, when the power-down shutdown type is input voltage non-open-circuit power-down shutdown, the output voltage is made to flow back to the input side to be recycled; when the power-down shutdown type is input voltage open circuit type power-down shutdown, the output voltage is consumed. The invention can ensure that the output voltage rises monotonically when the switching power supply is restarted, and can reduce the cost and volume of the switching power supply.

The invention discloses a preparation method of a modified iron oxyhydroxide loaded polyamide nanofiltration membrane, and belongs to the technical field of nanofiltration membranes. The problems that an existing nanofiltration membrane is low in water flux and interception rate, and a selection layer is prone to falling off are solved. The method comprises the following steps: preparing hydroxyl ferric oxide functionalized by a silane coupling agent; preparing polyethyleneimine modified iron oxyhydroxide; preparing a modified FeOOH base membrane; and preparing the modified FeOOH nanofiltration membrane. The nanofiltration membrane has higher water flux and rejection rate, the introduced modified iron oxyhydroxide is loaded on the base membrane to form a support, a polyamide layer is effectively prevented from entering the base membrane and blocking channels of the base membrane, and the modified iron oxyhydroxide has a large number of hydrophilic groups and can adsorb more water-phase monomers, so that the reaction of subsequent interfacial polymerization is facilitated, and the water flux and rejection rate of the nanofiltration membrane are improved. Meanwhile, the grafted polyethyleneimine has a large number of amino groups and can react with acyl chloride groups, so that the stability is improved, the selective layer is prevented from falling off, the crosslinking degree of the polyamide layer is increased, and a thinner and denser polyamide layer is formed.

The utility model provides a kind of foamed ceramic composite machine bed of integrated cooling runner, including foamed ceramic pedestal, reinforcing rib, workbench, the inside of foamed ceramic pedestal is equipped with the hole structure of net-like distribution, hole structure includes rib hole and runner hole, rib hole is used to fill reinforcing rib, runner hole constitutes cooling medium passage;Runner hole inner wall is equipped with sealing layer, runner hole is equipped with medium inlet and medium outlet on foamed ceramic pedestal side wall;Reinforcing rib is filled in the inner wall of rib hole, and is integrated with foamed ceramic pedestal solidification, form built-in reinforcing framework;Workbench is fixedly arranged on the upper surface of foamed ceramic pedestal, and workbench is integrally connected with reinforcing rib at the orifice of rib hole.This foamed ceramic composite machine bed of integrated cooling runner has active temperature control capability, and has the advantages of lightweight, strong vibration absorption and damping capacity, high structural strength, good dimensional stability.

This invention discloses a field of environmental pollution remediation, and more specifically, relates to a dehalobacterium strain capable of anaerobic degradation of dichloromethane and its applications. The strain is a dehalobacterium strain DCM, which was deposited on November 30, 2021, at the China General Microbiological Culture Collection Center (CGMCC), Institute of Microbiology, Chinese Academy of Sciences, No. 3, No. 1 Beichen West Road, Chaoyang District, Beijing, with accession number CGMCC No. 24007. The novel dehalobacterium strain DCM provided by this invention was isolated and purified from contaminated river sediments. The strain is Gram-positive, rod-shaped, with a smooth surface, a cell length of 1-2 μm, and a diameter of 0.3-0.5 μm. It can completely convert 160 μmol of dichloromethane into formate and acetate within 7 days in an anaerobic inorganic salt medium, with a degradation rate as high as 32 μmol / L. ‑1 This indicates that the strain can efficiently degrade dichloromethane pollutants and has broad application prospects in environmental wastewater treatment and environmental remediation.

The utility model discloses a catalytic oxidation tower for VOC (volatile organic compound) tail gas treatment, which relates to the technical field of tail gas treatment and comprises a support frame, the upper side of the support frame is fixedly connected with a plurality of vertically distributed standard knots, and the upper sides of the plurality of standard knots are movably sleeved with fixing mechanisms. A heating mechanism is fixedly connected to the middle of the inner side of each standard section, a sealing cover is placed on the upper side of the standard section on the uppermost side, an ozone distribution device is movably installed at the position, close to the bottom, of the inner side of each standard section, and a catalyst is fixedly connected to the position, close to the upper side, of the inner side of each standard section in a sleeving mode. According to the catalytic oxidation tower for treating the VOC tail gas, the VOC tail gas and ozone are fully mixed through the ozone distribution device, and the vortex plate is used for heating the mixed gas, increasing the reaction temperature and increasing the reaction efficiency, so that the VOC tail gas is catalytically oxidized at a higher speed and is quickly consumed, and the overall treatment stage number is reduced.

The invention relates to the technical field of water treatment, in particular to an estuary ecological isolation water purification system. The system comprises a front filtering module and a biological purification module which are sequentially arranged in the water flow direction, the front filtering module is composed of a biological intercepting net, an underwater fixing piece and a suspension piece, the biological purification module comprises a plurality of rows of biological carrier sets with the bottoms provided with ecological elastic filler, and submerged vegetation is arranged on the two sides of the biological purification module. Through the structural design, the water quality purification efficiency is effectively improved, meanwhile, the stability and maintenance convenience of the system are enhanced, and the estuary water environment quality is remarkably improved.