15results about How to "Reduce sewage" patented technology

The invention discloses a pretreatment process for water reuse of silicon solar cell wastewater, which comprises a collection device, the output end of the collection device is communicated with a pretreatment device 1, the output end of the pretreatment device 1 is communicated with a pretreatment device 2, the output end of the pretreatment device 2 is communicated with a pretreatment device 3, and the output end of the pretreatment device 3 is communicated with a pretreatment device 4. The output end of the pretreatment device 3 is communicated with a rear-end reclaimed water recycling membrane system. The method has the advantages that specific pollutants influencing the reclaimed water reuse membrane system are subjected to targeted grading pretreatment, a new thought is provided for recycling of the silicon solar cell wastewater, and remarkable environmental benefits and economic benefits are achieved; the problems of low water production rate, short service life, high operation cost and incapability of continuous and stable operation of a reclaimed water recycling membrane system for silicon solar cell wastewater are solved.

The utility model provides a flushing device for a tube bundle demister of a pellet desulfurization system, the tube bundle demister is arranged in a desulfurization tower and comprises a spraying assembly, the tube bundle demister is provided with two layers, and the two layers of tube bundle demisters are arranged up and down; one spraying assembly is arranged above the tube bundle demister on the upper layer, one spraying assembly is arranged below the tube bundle demister on the lower layer, and one spraying assembly is arranged between the two layers of tube bundle demisters. The rotatable spray head core is arranged in the spray head of the flushing device, and the self-cleaning effect can be achieved. High-pressure pulses are sent into the main pipe through the pulse generator, and crystallized dirt attached to the inner wall of the spray head is removed. Based on the distribution characteristics of crystalline dirt blocking the tube bundle demister, an ultrasonic generator of an auxiliary spraying assembly is designed, the flushing effect of the flushing device on the tube bundle demister of the high-pellet desulfurization system is improved, and sewage generated in the flushing process is reduced.

The invention discloses a special scale inhibitor and corrosion inhibitor for a circulating water system based on electrochemical descaling and a preparation method thereof. The scale inhibitor and corrosion inhibitor of the invention comprises a scale inhibitor component, acrylic acid-methyl acrylate-aminoethanesulfonate terpolymer, which is heated to 86-92°C under stirring conditions through raw materials acrylic acid and methyl acrylate, and then ammonium persulfate is added dropwise, and the temperature is maintained for constant temperature reaction to obtain an acrylic acid-methyl acrylate solution, and then aminoethanesulfonic acid is added to completely dissolve, and finally concentrated sulfuric acid is added, and the temperature is kept to continue the reaction. The scale inhibitor and corrosion inhibitor obtained by compounding the terpolymer with other scale inhibitors and corrosion inhibitor components is particularly suitable for a circulating water system with an electrochemical descaling device, has strong anti-electrolysis ability, significantly reduces the influence on the electrochemical descaling effect, and has good scale inhibitor and corrosion inhibitor compatibility, so that the electrochemical descaling technology and the scale inhibitor and corrosion inhibitor can be well matched, stabilize the water quality of the circulating water, and achieve true zero discharge of circulating water on the basis of safe operation and effective control of operating costs.

This utility model discloses a garbage truck winch loading device, including a garbage truck. The garbage bin is connected to a transfer garbage bin via a winch loading assembly. The winch loading assembly is installed in the transfer garbage bin and includes a hydraulic drive component and a hinge component. This utility model has a simple structure and reasonable design. The hydraulic drive component is installed in the transfer garbage bin and is connected to a steel wire rope. By controlling the extension and retraction of the steel wire rope, the garbage truck can be tilted. The hinge component is installed in the transfer garbage bin. The garbage truck is connected to the transfer garbage bin via the hinge component, and the tilting of the garbage truck is achieved through the hinge component. This simplifies the docking method between the garbage truck and the transfer garbage bin, and the tilting of the garbage truck is achieved through a stable hydraulic drive component, making the process smoother and safer.

The invention discloses a water-saving circulating system based on beam dyeing, which belongs to the technical field of textile dyeing and comprises a dye vat, a beam, a water inlet pipe, a water outlet pipe, a color fixing mechanism, a cloth inlet mechanism, a cloth outlet mechanism, a sampling cup, a reversing valve and a preparation vat. The preparation vat is added in the dyeing process, the flowing direction of water between the dye vat and the reversing valve is switched through parts such as the communicating pipe, water is stored, the collected water is switched to proper dyeing process steps for reasonable application, and the use dosage of the water, dye and auxiliaries is further reduced; the dyeing process is improved by means of the preparation vat, part of dyeing water can be consumed every time the preparation vat pumps and recycles most reuse water from the dye vat to the preparation vat stores the most reuse water, but compared with a traditional four-water process, most water can be recycled, and the difficulty of follow-up wastewater treatment is reduced.

The invention discloses a purification preparation method of high-purity hydroxyplatinic acid, and belongs to the field of synthesis and purification of metal compounds, the method comprises the following steps: (1) mixing a crude hydroxyplatinic acid solid with ethanolamine in a solution according to a certain proportion; (2) heating the mixed solution to enable the mixed solution to become a uniform and transparent faint yellow solution; (3) adding a certain amount of acid into the obtained faint yellow solution to adjust the solution to be acidic, so as to obtain faint yellow hydroxyplatinic acid precipitate; and (4) filtering and separating a product, and washing to obtain pure hydroxyplatinic acid. According to the purification method disclosed by the invention, the metal ions and the content can be reduced to be less than 100ppm only by washing for 2-4 times in the purification process, and the yield is greater than 93%. The manpower and time cost in the purification process is reduced, meanwhile, the wastewater generation amount is reduced, and the method has the advantages of being simple, more environmentally friendly and the like and is convenient for large-scale purification.

The invention discloses a circular economical laying hen feed formula and a processing preparation method, and belongs to the technical field of livestock and poultry feeds, the formula comprises yellow mealworm sand, rumex hanus, chicory, sweet sorghum grains, sweet potatoes, wormcast, yellow mealworm powder, shell powder, stone powder, peanut oil, a premix and peanut cakes, and the proportion of unconventional raw materials exceeds 70%; according to the processing and preparation method, through multiple processes of anaerobic aerobic fermentation, oyster mushroom strain decomposition, curing, air drying and the like, toxic and harmful ingredients in the raw materials are degraded, the nutrition structure is optimized, and meanwhile a circulating closed loop of planting, edible mushroom, earthworms, tenebrio molitor and laying hen breeding is constructed. The feed is balanced in formula nutrition, all core nutrition indexes are matched with the suitable range of laying hens in the egg producing period, and the feed is good in palatability and can be directly used for feeding the laying hens in the egg producing period; agricultural waste resource utilization is achieved, ecological and economic benefits are remarkable, and the method has extremely high industrialization value and popularization prospects.

The application discloses an application of a beta-cyclodextrin polymer and a grey water scale inhibition dispersant compound, and the compound comprises the following components and has the following weight ratio in terms of solid content: 50-90% of the beta-cyclodextrin polymer, 0-50% of hydrolyzed polymaleic anhydride, 0-50% of polyepoxysuccinic acid sodium and 0-50% of polyaspartic acid. The application is used for coal gasification grey water scale inhibition dispersant, and the mechanism is that the beta-cyclodextrin polymer performs grey water scale inhibition through inclusion, chelation and lattice inhibition of metal ions. The grey water scale inhibition dispersant compound of the application contains the beta-cyclodextrin polymer, and the beta-cyclodextrin polymer is used in combination with the hydrolyzed polymaleic anhydride, the polyepoxysuccinic acid sodium or the polyaspartic acid. Since the combined materials are all amphiphilic molecules with hydrophilic parts and hydrophobic parts, a variety of supramolecular aggregation systems, namely a self-assembly system of the "supramolecular cyclodextrin amphiphilic molecule", are formed, and the beta-cyclodextrin polymer can better play the scale inhibition role.

The invention discloses an environment-friendly boiler energy-saving scale inhibitor as well as a preparation method and application thereof. The environment-friendly energy-saving boiler scale inhibitor is prepared from ethanolamine, cyclohexylamine, sodium sarcosinate, sodium cumenesulfonate, sulfonated dioctyl succinate and sodium hydroxide. The use method is simple, the boiler water conductivity can be reduced, the pollution discharge rate is reduced, the steam quality is effectively improved, the salt deposition phenomenon is avoided, a steam turbine can operate more safely, stably and efficiently for a long period, meanwhile, the cost can be greatly saved, and the preparation method is simple. Therefore, the environment-friendly boiler energy-saving scale inhibitor has a wide application prospect.

The invention discloses a mass production method of a shiitake mushroom extract, which comprises the following steps: taking dry shiitake mushroom sticks, crushing, sieving with a 30-60-mesh sieve, putting into an extraction tank heated by steam, adding water which is 20-30 times of the weight of the shiitake mushroom sticks, heating to 100 DEG C, closing steam heating, keeping boiling until the end, and standing for one night; heating and keeping boiling for 3-4 hours on the second day, and extracting an extracting solution into a concentration tank; adding water which is 20-30 times of the weight of the mushroom sticks into the extraction tank for the second time, heating to 100 DEG C, keeping boiling for 3-4 hours, and extracting an extracting solution into a concentration tank; mixing and concentrating the two shiitake mushroom extracting solutions into fluid extract, and drying until the water content is controlled to be 6%; by adopting the method for processing the mushroom extract, energy is saved, consumption is reduced, water pollution is reduced, functional components in the product can be effectively maintained, the method is particularly suitable for industrial mass production, and the mass production cost can be greatly reduced.

According to the low-corrosion anti-scaling urea hydrolysis system and the energy-saving operation technology, a multi-stage electrodialysis module and a heat exchange system are additionally arranged on the basis of a conventional urea hydrolysis system, and a high-temperature raw water outlet pipeline of a urea solution preparation tank is connected with a first heat exchanger; a low-temperature raw water outlet pipeline of the first heat exchanger is connected with a multi-stage electrodialysis module, a low-temperature produced water outlet pipeline of the multi-stage electrodialysis module is connected with a second heat exchanger, a high-temperature produced water outlet pipeline of the second heat exchanger is connected with a urea solution preparation tank, and heat exchange medium pipelines of the first heat exchanger and the second heat exchanger are circularly connected; the urea solution preparation tank is sequentially connected with the urea solution storage tank and the urea hydrolysis reactor. The heat exchange system is utilized, it is ensured that high-concentration urea solution can be efficiently subjected to electrodialysis treatment, waste heat utilization of refrigerants is achieved, energy-saving operation of the system is achieved, low corrosion and scaling prevention of the urea hydrolysis system are achieved through electrodialysis, and the discharge capacity of the urea hydrolysis reactor is greatly reduced.

The utility model belongs to the technical field of clean utilization of energy sources, and particularly relates to a blast furnace gas dechlorination tower which comprises a dechlorination tower body, a circulating liquid storage tank and a blast furnace gas inlet are arranged at the bottom of the dechlorination tower body, and a blast furnace gas outlet is arranged at the top of the dechlorination tower body; a tray, a spraying layer and a condensation type demister are sequentially arranged in the dechlorination tower body from bottom to top, the blast furnace gas outlet is positioned above the condensation type demister, and the blast furnace gas inlet is positioned between the circulating liquid storage tank and the tray. According to the utility model, by utilizing the characteristic that chlorine salt and HCl gas are extremely easy to dissolve in water, the blast furnace gas is washed by clean water through the spraying layer, so that most chlorine salt and HCl gas in the blast furnace gas can be effectively removed, and then the blast furnace gas is cooled by adopting the condensation type demister, so that residual chlorine salt and small-particle dust can be effectively removed; not only can high-efficiency and low-cost dechlorination of the blast furnace gas be realized, but also a good protection effect on a downstream process system is achieved.

This invention relates to a device and method for the self-coupling utilization of high-temperature wastewater and hot water from alcoholysis waste liquid. The device includes: a methanol purification tower, a catalytic decomposition tower, a flash tank, a first reboiler, a methyl acetate purification tower, a cooler, and a centrifugal pump. The bottom of the methanol purification tower is connected sequentially to the flash tank, the first reboiler, and the catalytic decomposition tower via pipelines. The catalytic decomposition tower is connected to the methanol purification tower via the methyl acetate purification tower. The flash tank is connected sequentially to the centrifugal pump, the cooler, and the methyl acetate purification tower via pipelines. The high-temperature wastewater from the bottom of the methanol purification tower enters the flash tank, forming flash vapor and flash tank drainage. The flash vapor exchanges heat with the material in the catalytic decomposition tower in the first reboiler, cooling it to form hot water. The hot water and flash tank drainage are combined, cooled by the cooler to obtain cooling water, which then enters the methyl acetate purification tower. This self-coupling achieves the upgrading of high-temperature wastewater, waste heat recovery, wastewater reuse, and energy saving.

The utility model relates to the technical field of circulating water treatment, and particularly discloses an electrolytic bath based on electrochemical descaling, which comprises a processing box body, a groove is arranged on the surface of the processing box body, an upper sealing cover is arranged on the upper surface of the processing box body, and an electrode group is fixedly connected with the bottom surface of the groove of the processing box body. A power module is fixedly installed on the lower surface of the machining box body, an electromagnetic generator is arranged on the outer surface of the machining box body, and a magnetic field distributor is installed on the outer surface of the machining box body. The electrolytic bath based on electrochemical descaling is provided with the electrode group and the electromagnetic generator, so that when the electrolytic bath works, through a titanium-based coating anode and a stainless steel cathode of the electrode group, periodic automatic electrode reversing is performed, polarization is prevented, hydrogen ions and active oxygen are generated during electrolysis, a calcium carbonate or magnesium scale layer is reduced and dissolved, and ion crystallization is interfered through an electromagnetic frequency mixing field; and finally, suspended matters are adsorbed through the medicament.

The auxiliary precipitation structure comprises a plurality of inclined plates and a fixing frame, a stirring machine is arranged in the center of the machining pool, an annular water outlet groove is formed in the position, close to the outer side edge, in the machining pool, an annular precipitation groove is correspondingly formed below the water outlet groove, and the two opposite side walls in the precipitation groove are the first side wall and the second side wall. The diameter of the first side wall is larger than that of the second side wall, and clear water at the separation position of the precipitation tank flows into the water outlet tank; the fixing frame is detachably and fixedly connected with the first side wall and the second side wall, the inclined plates are sequentially connected end to end to form a ring shape and are located above the fixing frame, the included angle between each inclined plate and the horizontal plane is 55-65 degrees, a plurality of through holes are formed in each inclined plate, and the upper surfaces and the lower surfaces of the inclined plates are communicated through the through holes. The scheme is simple in structure, low in construction difficulty, short in construction period and low in cost. Impurities in water can be attached to or precipitated on the inclined plate, so that the water purification efficiency is improved, the turbidity of the water can be reduced, and the water purification effect is good.