226results about How to "Fully removed" patented technology

The invention relates to the technical field of lithium dihydrogen phosphate, and discloses a method for preparing battery-grade lithium dihydrogen phosphate by using lithium precipitation mother liquor. The method comprises the following steps: (1) mixing a hydrochloric acid solution with a lithium precipitation mother solution until the pH value of the obtained reaction solution is 4-5; (2) heating the reaction solution, adding the sodium phosphate solution into the reaction solution to adjust the pH value to 9-10, and reacting to obtain crude lithium phosphate; (3) adding a phosphoric acid solution into the crude lithium phosphate until the pH value of the obtained mixed solution is 3-5.5; (4) carrying out first reduced pressure evaporation on the crude lithium dihydrogen phosphate solution, and carrying out solid-liquid separation on a first concentrate to obtain a first solid phase and a first mother solution; (5) dissolving the first solid phase in hot water, carrying out second reduced pressure evaporation, and carrying out solid-liquid separation on a second concentrate to obtain a second solid phase and a second mother solution; the solid content of the second concentrate is higher than that of the first concentrate. The lithium dihydrogen acid prepared by the method is high in purity, and the comprehensive yield of lithium is high.

The invention relates to pseudo-boehmite and a preparation method thereof, and belongs to the technical field of porous alumina preparation. The method comprises the following steps: carrying out neutralization reaction on aluminum sulfate and an alkali source to obtain pseudo-boehmite colloidal particle slurry; aging the pseudo-boehmite colloidal particle slurry to obtain aged slurry with a set pH value; carrying out solid-liquid separation on the aged slurry to obtain a solid-phase substance; and washing the solid-phase substance for multiple times by using an alkaline solution containing ammonium ions so as to remove sulfate radicals carried by the solid-phase substance, thereby obtaining the pseudo-boehmite. Through the synergistic effect of the aging slurry with the set pH value and the alkaline solution containing ammonium ions, the content of sulfate radicals in the pseudo-boehmite is specifically reduced.

The invention relates to the field of chemical industry, and discloses a method for preparing high-purity vanadium oxide by purifying ammonium vanadate, which comprises the following steps: adding a carbonate solution into ammonium vanadate, stirring, and heating to 75-95 DEG C to obtain a vanadium-containing return solution; keeping the temperature of the vanadium-containing return solution, and adding a calcium salt impurity removal agent to obtain a vanadium-containing purified solution and first-stage impurity removal slag; oxalate is added into the vanadium-containing purified liquid, the temperature of the vanadium liquid is kept, and deeply-purified vanadium liquid and second-stage impurity removal slag are obtained; cooling the deeply purified vanadium liquid to 5-35 DEG C, stirring and reacting, and then carrying out solid-liquid separation to obtain ammonium metavanadate and secondary vanadium precipitation supernatant; adding pure water into the ammonium metavanadate product, pulping, stirring, and heating to 80-95 DEG C to obtain a secondary return solution; the pH of the secondary return solution is adjusted to 1.6-2.0, the temperature is raised to 95-98 DEG C, and ammonium polyvanadate and a third-section vanadium precipitation supernatant are obtained; and drying the ammonium polyvanadate, raising the temperature to 500-600 DEG C in an oxidizing atmosphere, and carrying out heat preservation and calcination to obtain a vanadium pentoxide product. The method can be used for preparing a high-purity vanadium pentoxide product.

The invention relates to the technical field of flue gas denitration, in particular to a circulating fluidized bed boiler and a boiler system. The circulating fluidized bed boiler comprises a boiler body, a combustion chamber is arranged in the boiler body, a primary air inlet is formed in the bottom of the boiler body, and the combustion chamber comprises a dense-phase area; the air distribution plate is installed in the boiler body, the air distribution plate is located between the primary air inlet and the dense-phase area, and a plurality of air caps allowing airflow to flow into the combustion chamber from the primary air inlet are arranged on the air distribution plate at intervals; the urea spraying mechanism is mounted on the air distribution plate and vertically faces the central area of the dense-phase area; a spraying hole of the urea spraying mechanism is positioned above the air cap, so that a urea solution can be sprayed to the central area of the dense-phase area; the urea spraying mechanism is further arranged to allow airflow to flow into the combustion chamber from the primary air inlet. The circulating fluidized bed boiler can prevent the nitrogen oxide content of the generated flue gas from increasing when the circulating fluidized bed boiler is in a low-load state.

The invention belongs to the technical field of biology, and particularly relates to a reagent combination and a kit for extracting nucleic acid through a paramagnetic particle method and application of the reagent combination and the kit. The reagent combination or the kit does not adopt beta-mercaptoethanol with pungent smell or dithiothreitol needing to be stored at low temperature as an antioxidant, but adopts tris (2-formylethyl) phosphine hydrochloride and / or metabisulfite as an antioxidant, belongs to common salt chemical reagent powder, can be stored at normal temperature, and can be used for preparing a reagent for the first time. Manual addition by experimenters before an experiment is not needed, so that nucleic acid (RNA) released by splitting decomposition can be effectively prevented from being oxidized and denatured, and the integrity of extracted nucleic acid (total RNA) fragments is ensured; especially, the metabisulfite is commonly used in food additives, does not cause harm to the body, and is non-toxic and non-volatile.

The invention discloses a method for preparing a sintered neodymium-iron-boron magnet by graded recovery of neodymium-iron-boron oil sludge waste, which comprises the following steps of: 1, wet-grinding, screening, centrifuging and drying the oil sludge waste to obtain coarse oil sludge and fine oil sludge; 2, carrying out vacuum degreasing and hydrogen reduction on the coarse and fine oil sludge to obtain a coarse and fine hydrogen reduction phase; 3, performing element adjustment on the hydrogen reduction phases of the coarse powder and the fine powder, mixing with a reducing agent and fused salt, and performing reduction diffusion reaction to obtain recycled magnetic powder and rare earth-rich magnetic powder; and step 4, mixing the recycled magnetic powder and the rare earth-rich magnetic powder, and carrying out orientation compression and sintering to obtain the recycled magnet. According to the method, the oil sludge waste is subjected to wet grinding and screening to complete impurity removal, crushing and grading, the same technology is adopted, the recycled magnetic powder and the rare earth-rich magnetic powder are synchronously prepared, the rare earth-rich magnetic powder replaces a traditional rare earth-rich phase and is directly mixed with the recycled magnetic powder to be sintered, the recycled neodymium-iron-boron magnet is obtained, and the method is suitable for the technical field of rare earth permanent magnet waste recycling and reusing.

The invention discloses a method for recovering and liquefying carbon dioxide in natural gas, and relates to the technical field of natural gas processing. According to the device, the working table, the multi-stage absorption mechanism, the self-regeneration type alternate adsorption mechanism and the linkage part are matched to complete recovery and liquefaction of carbon dioxide in natural gas, and the linkage part is in transmission connection between the self-regeneration type alternate adsorption mechanism and the stirring and foaming integrated unit. Multiple reactions of hydrogen sulfide in natural gas are achieved, the removal effect is improved, the service life of an adsorption material is prolonged through the design of step-by-step saturation replacement of a sodium bicarbonate solution, the frequent replacement requirement is reduced, the solution can be dynamically replaced, and the continuity of the treatment process is kept. Through up-down alternate operation of the molecular sieves, water vapor adsorption and synchronous regeneration are realized, molecular sieve saturation is avoided, continuous and efficient natural gas treatment is ensured, and the overall treatment effect is improved.

The invention relates to the technical field of cleaning devices, and discloses a hydrogen conductivity meter resin automatic cleaning device which comprises a base, a protective cover is fixedly installed on the upper surface of the base, and two limiting sliding grooves are symmetrically formed in the outer surfaces of the two opposite sides of the protective cover in a penetrating mode. The driving motor drives the crankshaft to rotate, so that the crankshaft drives the bent neck to eccentrically rotate, the bent neck drives the U-shaped sliding plate to reciprocate through the connecting rod, and the U-shaped sliding plate and the rubbing plate move mutually through the reciprocating motion of the U-shaped sliding plate. Dirt on the surface of hydrogen conductivity surface resin can be rapidly removed, and it is ensured that the subsequent hydrogen conductivity detection value is stable.

The invention relates to a method for extracting a tobacco extract for a tobacco-flavor electronic cigarette, which comprises the following steps of: respectively adding a tobacco raw material and an extracting agent propylene glycol into continuous countercurrent extraction equipment according to the weight ratio of the tobacco raw material to the extracting agent propylene glycol of (0.8-3.0): 1, washing the obtained solid by using an ethanol water solution, and collecting a washing solution, thereby obtaining the tobacco extract for the tobacco-flavor electronic cigarette. And carrying out reduced pressure distillation on the washing liquid to remove ethanol to obtain reduced pressure distillation residues, and combining the reduced pressure distillation residues with the extracting solution to obtain the tobacco extract. The invention also relates to an application of the tobacco extract in a tobacco-flavored electronic cigarette. The extract obtained through the continuous countercurrent extraction process contains nicotine, organic acid and reducing sugar components from tobacco raw materials, the components can well present typical cigarette smell and aroma in the heating atomization process, and the tobacco-flavor electronic cigarette with the real cigarette smell and aroma style is achieved. The extract provided by the invention can be directly used in an electronic cigarette atomization product, and subsequent complicated processes such as separation and purification are not required to be introduced.

The utility model discloses a screening device with a soil cleaning function, which belongs to the field of screening devices and comprises a support frame, a screen hopper movably mounted on the support frame, a screen mesh fixedly connected to the bottom surface of the screen hopper, a gear motor fixedly connected to one end of the support frame, and an eccentric wheel fixedly connected to an output shaft of the gear motor. A traction frame is fixedly connected to the screening hopper, the traction frame and an eccentric wheel are movably installed, a height limiting plate is movably installed on the screening hopper, the eccentric wheel enables the screening hopper to regularly lift up and fall down, a vibration structure is formed, soil on a grain shell can conveniently penetrate through the screening net downwards to be separated from grains, and the height limiting plate limits the height of a grain pile. According to the cereal cleaning device, the spraying liquid is sprayed on the side face of the cereal, so that the cereal can make full contact with the spraying liquid on the side face conveniently, soil on shells of the cereal is flushed, the soil on the shells can be fully removed conveniently, and then the flushed cereal is rapidly dried through hot air sprayed out of the air outlet, so that the cereal is kept dry again.

The invention belongs to the field of phosphorite flotation, and particularly relates to a reagent and a method for removing potassium feldspar in collophanite and reducing the potassium content through step-by-step flotation, the removal of the potassium feldspar in the collophanite is realized through two-stage ore grinding and fine column machine-combined step-by-step flotation, namely, for fine-fraction mineral particles, firstly, a dispersing agent is adopted for fully dispersing the mineral particles, and then the fine-fraction mineral particles are added into the dispersing agent; then a collecting agent with high selectivity is added, meanwhile, a filling type microbubble countercurrent contact type flotation column is adopted to reduce the bubble size, the collision probability of the micro-fine-particle potassium feldspar and the bubbles is increased, and efficient flotation of the micro-fine-particle potassium feldspar is achieved; the foam phenomenon deterioration caused by excessive grinding is avoided through second-stage ore grinding; for roughing concentrate pulp, an improved compound collecting agent is added, the flotation froth stability is improved, and the collecting performance is enhanced; the ultrasonic device is additionally arranged, foam can be efficiently crushed, ore pulp transfer is facilitated, potassium feldspar in collophanite can be fully removed, the flotation process is stable, simple and convenient, and phosphorite resources are efficiently recycled.

The invention relates to the technical field of concrete piece forming, in particular to an autoclaved aerated concrete block pouring forming device and method.The autoclaved aerated concrete block pouring forming device comprises a lifting frame provided with a pouring head and a bubble removing mechanism; the bubble removing mechanism comprises mounting seats which are symmetrically arranged and synchronously and reversely move; and a plurality of vibrating heads and a plurality of stirring heads are mounted on the mounting seats. Pouring is carried out in the mode of removing bubbles while pouring is carried out, the pouring efficiency and quality are improved, in the bubble removing process, a vibrating head and a stirring head are matched with each other, bubbles in slurry are fully and efficiently removed, the slurry in the middle is automatically stirred to the two sides through two stirring and homogenizing units in the stirring and bubble removing process, and the stirring and homogenizing efficiency is improved. And the slurry in the mold is homogenized, so that the influence of non-uniform distribution of the slurry on the defoaming effect and efficiency is effectively avoided, bubbles in the slurry are fully and efficiently removed, and the pouring efficiency and quality are further improved.

The utility model discloses a water conservancy project gate water purification device, relates to water conservancy gate technical field, including gate frame, interception subassembly and filter screen, the inside of gate frame is provided with gate main part, and the interception subassembly is installed in the front of gate frame, the interception subassembly includes interception screen frame, locking bolt and interception screen, locking bolts penetrate through the upper sides of the intercepting net frames, a blocking net is fixed between the intercepting net frames, the blocking net is of an arc-shaped structure, rear side plates are fixed to the rear side of the gate frame, a filter screen is installed between the rear side plates, and a trash removal assembly is installed above the outer side of the filter screen. According to the gate water purifying device for the water conservancy project, the blocking net is of an arc-shaped structure, compared with a plane-shaped structure, the available water filtering area is larger, the blocking net can conveniently intercept garbage and impurity dirt passing through the gate body, the filtering net can conveniently intercept impurities passing through the gate body again, pollutants are prevented from passing through, and therefore the multi-layer water purifying effect is achieved.

The utility model provides a purification system suitable for sludge and biomass incineration flue gas, which can synchronously perform deacidification, denitration, dust removal and dioxin and heavy metal removal, and meets the ultra-low emission requirement. The limestone powder bin and the SNCR ammonia water storage tank are both connected with the incinerator; the incinerator is connected with the waste heat boiler; the waste heat boiler is connected with the deacidification reactor through a high-temperature flue, the deacidification reactor is connected with the high-temperature dust remover, and the high-temperature dust remover is connected with the SCR reactor; the calcium hydroxide powder bin I and the SCR ammonia water storage tank are both connected with the high-temperature flue; the SCR reactor, the low-temperature economizer and the air pre-heater are connected in sequence; the air pre-heater is connected with the bag-type dust remover through a bag-type dust removal inlet flue; both the calcium hydroxide powder bin II and the activated carbon bin are connected with the cloth bag dust removal inlet flue; the bag-type dust collector is connected with the induced draft fan; the induced draft fan is connected with the wet deacidification tower; the wet deacidification tower is connected with a chimney; and the sodium hydroxide solution storage tank is connected with the wet deacidification tower.

The invention provides a novel method for purifying crude germanium tetrachloride, which comprises the processes of first-stage low-temperature evaporation, second-stage medium-temperature evaporation, third-stage negative-pressure evaporation, recovery of germanium tetrachloride tailings and the like. In the staged evaporation process of first-stage low-temperature evaporation, second-stage medium-temperature evaporation and third-stage negative-pressure evaporation, low-boiling-point impurities (such as chlorine and other volatile impurities) in germanium tetrachloride can be effectively removed, germanium tetrachloride is separated and purified in different stages by gradually increasing the temperature and adjusting the pressure, and the purity of germanium tetrachloride is improved. Finally, germanium tetrachloride with the purity of 99.9% or above is obtained. According to the method, the introduction of chemical materials such as concentrated hydrochloric acid, chlorine and the like is avoided while the coarse germanium tetrachloride is fully and preliminarily purified, so that the safety and environmental risks are reduced; and the method has the remarkable advantages of good purification effect, environmental friendliness and the like.

The invention discloses a washing fly ash waste gas treatment device with a multi-stage separation function, and relates to the technical field of treatment devices.The treatment device comprises a fly ash conveying mechanism, a washing mechanism, a filter pressing and drying mechanism and a waste gas treatment mechanism, the fly ash conveying mechanism is fixedly connected with the washing mechanism, the fly ash conveying mechanism communicates with the washing mechanism, and the waste gas treatment mechanism communicates with the washing mechanism; the washing mechanism is fixedly connected with the filter-pressing drying mechanism, the washing mechanism is communicated with the filter-pressing drying mechanism, the waste gas treatment mechanism is communicated with the washing mechanism, the waste gas treatment mechanism is communicated with the filter-pressing drying mechanism, the waste gas treatment mechanism is fixedly connected with the washing mechanism, and the fly ash conveying mechanism conveys the fly ash to the washing mechanism for cleaning treatment. The washing mechanism is fixedly connected and communicated with the filter pressing and drying mechanism, cleaned fly ash directly enters the filter pressing and drying mechanism to be subjected to dehydration and drying treatment, and the waste gas treatment mechanism can collect and treat waste gas generated in the cleaning and drying process.

The invention relates to the field of motor aluminum shell machining, in particular to a cutting and polishing machine tool for motor aluminum shell machining, which comprises a workbench, a shell, a placing plate, an electric sliding plate, a cutting unit and the like, the workbench is fixedly connected with a shell; the outer shell is connected with a cutting unit used for cutting the aluminum shell profile. The workbench is fixedly connected with a placing plate; the placing plate is slidably connected with an electric sliding plate through a sliding rail; and the workbench is provided with a blanking port. The outer surface of the aluminum shell profile is jointly supported through the supporting frame and the first supporting block, the situation that pressure borne by the aluminum shell profile completely acts on the cooling fins, and consequently the cooling fins are prone to deformation is avoided, the cooling fins are supported and limited through the first supporting block during cutting, the cooling fins are further prevented from deforming, and the service life of the aluminum shell profile is prolonged. Therefore, the cutting precision of the motor aluminum shell is ensured.

The utility model discloses an energy-saving low-cost type acid mist treatment tower, and relates to acid mist treatment, the energy-saving low-cost type acid mist treatment tower comprises a tank body shell and an energy-saving simple replacement mechanism, the bottom of the tank body shell is provided with the energy-saving simple replacement mechanism, the energy-saving simple replacement mechanism comprises a connecting pipe, the connecting pipe is arranged in the tank body shell, and the connecting pipe is connected with the tank body shell. Through the arrangement of the energy-saving simple replacement mechanism, the effects of reducing waste of treating fluid and conveniently replacing filler are achieved, after water is introduced into a connecting pipe, the treating fluid flows into a circular spray head, then the treating fluid is sequentially sprayed out from a peripheral nozzle and a bottom nozzle, and then a first motor is started to drive a first rotating shaft to rotate, so that the treating fluid is conveniently replaced. According to the technical scheme, the circular spray head rotates, the contact range of the acid mist and the treatment medium can be further maximized while the circular spray head rotates, meanwhile, the spraying range of the bottom nozzle can be increased to a small extent, and through the design of the spray head, the spraying area can be increased, and the contact area of the treatment tower and the acid mist can be increased.

The invention relates to an environment-friendly treatment device, in particular to an integrated environment-friendly treatment device for comprehensive waste liquid of oily sludge. The device comprises a treatment kettle and a sludge treatment assembly. In the invention, when the stirring disc moves downwards to the inner bottom end of the treatment cavity, the end part of the contact wedge block is just in contact with the bulge of the bracket in the cavity, and under the action of the inclined plane of the bulge, the baffle plate moves until the second plate opening is communicated with the bottom of the disc opening, and the bottom of the stirring disc is in contact with the sediment and extrudes the sediment; the oil-containing liquid in the sediment is squeezed out and reaches the position above the stirring disc in the treatment cavity through the second plate opening and the disc opening, the oil-containing liquid can be fully mixed with chemicals in the liquid for oil removal, the sediment can be squeezed once in the vertical moving period of each stirring disc, oil-containing substances in the sediment are fully removed, and the oil removal efficiency is improved. Therefore, the oil-containing sludge waste liquid is effectively deoiled.

The invention discloses a hydraulic engineering construction quality detection method, and belongs to the technical field of engineering detection. According to the hydraulic engineering construction quality detection method, a supporting column used for supporting a bridge floor is included, a driving assembly is fixedly installed at the top of the supporting column, a lifting assembly is further arranged outside the supporting column, a visual unit used for detecting a supporting column body is fixedly installed on the lifting assembly, and a rotating assembly is further arranged on the upper portion of the lifting assembly; the visual unit is arranged on the rotating assembly, and the driving assembly drives the lifting assembly and the rotating assembly to drive the visual unit to conduct lifting and rotating detection on the supporting column body. The motor is arranged at the top, accurate control is achieved through the lead screw and the sliding rod, the durability of the device is effectively improved, in addition, cleaning and monitoring are synchronous through linkage of the scraper and the camera, the situation that the sight is blocked by sewage is avoided, and the cleaning efficiency and the monitoring effect are improved.

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 utility model discloses a circulating water filtration treatment device for rock wool preparation, which comprises a sediment box, a filter box, a first filter screen, a second filter screen and a third filter screen, the filter box is arranged above the sediment box, the bottom end of the filter box is provided with a first guide pipe, the bottom end of the first guide pipe extends into the sediment box, and the bottom end of the second guide pipe extends into the sediment box. A water inlet pipe is mounted on one side of the top end of the filter box, a first filter screen is mounted in the filter box, a second filter screen is mounted in the filter box below the first filter screen, a third filter screen is mounted in the filter box below the second filter screen, a sewage collecting box is fixed to one side of the filter box, and a lifting frame is arranged on one side of the settling box; a first water pump is arranged on one side of the lifting frame. According to the sewage treatment device, suspended particles and sediments in sewage can be fully removed, dirt can be conveniently cleaned, and treated clear liquid can be conveniently and rapidly separated out.

The utility model discloses an injection mold feeding structure which comprises an injection molding machine screw rod and a feeding pipe, a guide hopper is arranged on the feeding pipe, a heating mechanism used for heating materials is arranged on the guide hopper, the heating mechanism comprises a heating box fixedly connected to the guide hopper, a feeding hopper communicated with the interior of the heating box is arranged on the heating box, and the feeding hopper is arranged on the feeding pipe. Two material guiding plates are fixedly connected to the inner wall of the heating box, a plurality of electric heaters are arranged in the material guiding plates, and a temperature controller is arranged on the side wall of the heating box. The heating mechanism is arranged, before materials are poured into the material guide hopper, the materials flow on the two material guide plates, the multiple electric heaters heat the material guide plates to remove moisture in the materials, it can be avoided that a large number of bubbles exist in products in a mold, and therefore the quality of the products is guaranteed.

The utility model discloses a device for accurately monitoring damage of EDI (electrodeionization) desalting equipment due to water shortage. The device comprises a plurality of bubble removing mechanisms which are assembled and communicated at the water outlet end of the EDI desalting equipment, the bubble removing mechanism comprises a shell, a bubble removing assembly is rotationally connected into the shell, the bubble removing assembly comprises inner rolling bearings arranged on the two sides at intervals, and a plurality of obliquely-arranged bubble removing plates are fixedly connected to inner rings of the inner rolling bearings correspondingly. Fixed end seats are fixedly connected between the outer ends of the bubble removing plates, and a connecting shaft is fixedly connected between the fixed end seats; the connecting shaft is fixedly connected with a driving impeller for driving the bubble removing assembly to rotate; water carrying a large number of bubbles enters the shell to push the bubble removing plate to rotate, so that the bubbles are broken and removed; and the water outlet end of the bubble removing mechanism is assembled and communicated with a water outlet pipe. In this way, a large amount of bubbles are removed, the measurement accuracy of the flowmeter is improved, and the water yield of the water outlet end of the equipment is accurately monitored.

The dish washing machine comprises a main body structure, a door body structure and the dehumidification device, the dehumidification device comprises a humidity detection device, a heating device, an air supply device and a control device, and the humidity detection device is electrically connected with the control device; a display screen is arranged on the door body structure, the humidity detection device is arranged at a first preset position on a peripheral structure of the display screen, the air supply device is arranged at a second preset position on the peripheral structure of the display screen, and the heating device is arranged at a third preset position on the peripheral structure of the air supply device; the control device comprises a first control device and a second control device, the first control device is electrically connected with the heating device, and the second control device is electrically connected with the air supply device. Operation or closing of the dehumidification device is controlled according to the humidity, starting of the dehumidification function tends to be intelligent, energy waste caused by continuous starting of the device is avoided, and the dehumidification effect is enhanced by providing hot air for dehumidification.

The present invention relates to the technical field of sludge treatment, and specifically to a proportioning device and method for synchronously refining and blending combustion based on sludge feeding, comprising: a box body, a loading tray is installed in the box body; a folding plate group, a plurality of groups of which are arranged and installed at the bottom of the loading tray; a traction assembly, which is arranged on the loading tray and connected to the folding plate group; a stagnation box, which is arranged on the loading tray, and a plurality of stirring levers which are connected to the stagnation box are equidistantly arranged at the bottom of the stagnation box, and discharge ports are formed on both sides of the stirring levers; a driving assembly, which connects the loading tray and the stagnation box, the driving assembly can drive the stagnation box to move along the length direction of the loading tray, and the driving assembly can drive the stirring lever to move along the width direction of the loading tray; a blocking structure, which is arranged on the stagnation box and adapted to the discharge port, a trigger shaft is connected to the blocking structure, and the trigger shaft cooperates with a trigger sleeve connected to the driving assembly, so that the discharge port located at the rear of the movement direction of the stagnation box can be connected, thereby improving the combustion effect of pollutants in the sludge.

The utility model relates to the technical field of water source extraction, and discloses a water source extraction assembly for an iron and steel plant, which comprises a box body, a filter plate fixedly mounted on the box body, and a treatment box fixedly mounted in the box body; the water pumping assembly is connected with the interior of the box body through a pipeline; the transmission assembly is arranged between the box body and the filtering plate, the transmission assembly can clean the filtering plate in a reciprocating mode, the transmission assembly comprises a protection shell, a threaded rod, a transmission rod and a cleaning plate, and when the filtering plate filters water, the transmission assembly drives the cleaning plate to move in a reciprocating mode through cooperation of internal components; meanwhile, a cleaning plate can only move horizontally through cooperation with a guide block, and impurities on the filter plate are driven to the direction of a sewage draining exit through friction between the cleaning plate and the surface of the filter plate during reciprocating translation and slide downwards through the inclination angle of a baffle, so that the impurities are discharged from the sewage draining exit; a large amount of impurities are prevented from being accumulated on the surface of the filter plate after long-time filtering, and the filtering effect is reduced.

The utility model relates to the technical field of waste heat treatment, and provides an efficient waste heat exchange and absorption treatment device which comprises a heat exchange pipeline and an absorption treatment pipeline which are sequentially connected, a heat distribution cover and an exhaust fan are arranged at the ends, away from each other, of the heat exchange pipeline and the absorption treatment pipeline respectively, and an adsorption piece is arranged in the heat exchange pipeline. A plurality of perforated plates are arranged in the absorption treatment pipeline at intervals; a spraying piece is arranged at the top of the absorption treatment pipeline; a sewage tank is arranged at the bottom of the absorption treatment pipeline; and a blow-down valve is arranged outside the sewage tank. The waste heat treatment device can realize heat exchange and absorption of high-temperature waste gas, and can adsorb and remove peculiar smell or impurities of the waste heat while realizing sufficient heat exchange of the waste heat and water, so that sufficient removal of waste gas pollutants is ensured, the equipment cost is greatly reduced, and the treatment efficiency is greatly improved.

The utility model discloses a heat exchange device of a textile setting machine, and relates to the technical field of heat exchange equipment, in particular to the heat exchange device of the textile setting machine, which comprises a heat exchange box body, and a dust removal mechanism, a wind shield, a gas-gas heat energy heat exchange mechanism and a gas-water heat energy heat exchange mechanism which are arranged in the heat exchange box body, the cleaning mechanism comprises a cleaning pool installed at the bottom of the heat exchange box body, a first scraper is installed in the cleaning pool, and a cleaning wheel is movably arranged in the cleaning pool in a sleeved mode. According to the heat exchange device of the textile setting machine, through the arrangement of the cleaning mechanism, after a filter screen moves into the cleaning mechanism, oil stains adhering to the surface of the filter screen are scraped off through a first scraper, then the oil stains remaining on the surface of the filter screen are washed and cleaned through a cleaning wheel, and the oil stains on the surface of the filter screen are fully removed; and the degreasing agent is used for dissolving the oil stains, so that the oil stains are cleared more cleanly.

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.