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37results about How to "Solve the problem of high water consumption" patented technology

Desulfuration dust-collection white-elimination deep purification device

The invention belongs to the technical field of atmosphere pollution treatment environment protection, in particular relates to a desulfuration dust-collection white-elimination deep purification device, and aims to solve the problems that large floor spaces are required and the operation cost is high since a common process in the market is a condensation-reheating process, that is, a flue gas cooler, an air cooler and a flue gas heater are arranged outside a tower. According to the technical scheme of the invention, the device comprises an absorption tower body, wherein a flue gas inlet and aflue gas outlet are formed in the upper end of the absorption tower body; the flue gas inlet is positioned lower than the flue gas outlet; the absorption tower body is provided with a demister, a condensed water spraying layer, a liquid collection layer, a slurry spraying layer and a slurry pool from top to bottom in sequence; the liquid collection layer comprises a liquid collection plate and aliquid collection disc which is arranged below the liquid collection plate; a flue gas inlet pipeline is further arranged on one side outside the absorption tower body; one end of a flue gas inlet pipeline is parallel to the flue gas inlet; the other end of the flue gas inlet pipeline extends between the slurry spraying layer and the slurry pool; a heat exchanger is arranged at the communicating part of the flue gas inlet and the flue gas inlet pipeline.
Owner:XIAN XIKUANG ENVIRONMENTAL PROTECTION

Dry manure two-phase anaerobic digestion system for pig farm

The invention discloses a dry manure two-phase anaerobic digestion system for a pig farm belonging to the technical field of environment engineering and energy, which uses a hydrolytic acidification and methane production two-phase anaerobic digestion system as a main body. The system is characterized in that the dry manure in the pig farm is treated by integrating aeration biogas slurry reflux, external culture of acid producing bacteria and methane producing bacteria, and activity maintaining device so as to solve the problem that the prior two-phase process cannot effectively treat high solid concentration pig manure and has lower efficiency, thoroughly solve the problem of large water consumption of the conventional anaerobic treatment, realize biogas slurry concentration, reduce the discharge amount of the biogas slurry, greatly reduce subsequent treatment load of biogas engineering, and realize quick degradation and efficient gas production of organic waste. After application, the system improves the comprehensive economic benefit by 20 percent compared with the prior anaerobic system; and the improvement on efficiency ensures that the biogas engineering of the dry manure pigfarm realizes self supply of energy, and maintains normal operation of the biogas engineering of the pig farm in winter, thereby achieving multiple aims of saving water, reducing discharge, protecting environment and producing energy and fertilizer.
Owner:CHINA AGRI UNIV

Water-saving conditioning double-source stereoscopic irrigation method for fruit trees

The invention discloses a water-saving conditioning double-source stereoscopic irrigation method for fruit trees. The water-saving conditioning double-source stereoscopic irrigation method includes establishing double-source stereoscopic automatic control fruit tree irrigation systems. Water, fertilizers, pesticides and plant growth regulators are automatically regulated and controlled in due timevia intelligent irrigation decision making systems by the aid of earth surface drip irrigation systems and aerial atomizing droplet sprinkler irrigation systems. The water-saving conditioning double-source stereoscopic irrigation method has the advantages that the yield of the fruit trees can be greatly increased by the aid of the water-saving conditioning double-source stereoscopic irrigation method, and the water use efficiency of the fruit trees can be greatly improved by the aid of the water-saving conditioning double-source stereoscopic irrigation method; the problem that requirements onexcellent growth of existing fruit trees cannot be met by independent irrigation systems in regions under extreme climatic conditions can be solved by the aid of the water-saving conditioning double-source stereoscopic irrigation method; the air humidity of fruit tree cultivation environments under extreme drought conditions can be increased, transpiration effects of leaves of the fruit trees canbe deteriorated to a great extent, accordingly, water wastage can be prevented, and fruit tree cultivation can be sustainably developed; the water-saving conditioning double-source stereoscopic irrigation method is implemented by the aid of the intelligent irrigation decision making systems, accordingly, irrigation can be automatically precisely regulated and controlled on time as needed, the labor intensity can be relieved to a great extent, and labor force can be saved.
Owner:CHINA AGRI UNIV

Energy-saving and environment-friendly flue gas waste heat pulverized coal preparation system

An energy-saving and environment-friendly flue gas waste heat pulverized coal preparation system comprises a belt coal feeder, a raw coal bunker, a coal feeder, a coal mill and a powder recovery bunker, wherein the dry air inlet of the coal mill communicates with the outlet of a first induced draft fan which is used for inputting high-temperature flue gas at the tail part of a boiler to the coal mill; an inert gas input passage is arranged in front of the dry air inlet of the coal mill; a first control valve is mounted on the inert gas input passage; the outlet of the coal mill communicates with the inlet of the powder recover bunker; a gas temperature detector and a gas concentration detector are mounted behind the outlet of the coal mill and connected with an alarm controller; a pulverized coal collection device is arranged in the powder recovery bunker; a second induced draft fan is mounted behind the flue gas outlet of the powder recovery bunker; and the outlet of the second induced draft fan communicates with the inlet of a flue gas desulfurization device or a chimney. The energy-saving and environment-friendly flue gas waste heat pulverized coal preparation system is a special production line for providing coal dust fuels for the pulverized coal boiler, the security of the pulverized coal preparation system can be guaranteed while the waste heat of flue gas at the tail part of the boiler is effectively utilized, energy saving and consumption reduction are realized and the environment is protected.
Owner:SHANDONG HUANNENG DESIGN INST

Dry and wet combined circulating water cooling tower

A dry and wet combined circulating water cooling tower comprises a tower body. The cooling tower is of an air drawing type structure. A dry cooling section and a wet cooling section are sequentially installed on the portion, below the air drawing structure, of the tower body. A dry cooling section body is a horizontally arranged dry pipe bundle. The wet cooling section sequentially comprises a dehydrator, a water distributing device, spraying filler, blinds and a water tank. The dry pipe bundle is divided into two branches at the outlet, wherein one branch is provided with a dry pipe bundle outlet valve, then communicates with a circulating water supply pipeline and leads into the water tank via a water tank outlet valve, and the other branch is provided with a water distributing header pipe valve and then communicates with a water distributing header pipe of the water distributing device. The dry and wet combined circulating water cooling tower solves the problems that an open type circulating water cooling tower is large in water consumption, and a closed type circulating water cooling device is large in investment, high in electricity consumption and difficult to popularize, andthe dry and wet combined circulating water cooling tower saves energy and water and is suitable for various circulating water cooling stations of the metallurgy industry, the electrical industry, theoil refining industry, the chemical industry and the like.
Owner:GANSU LANPEC TECH +2

Precise seed-attaching no-tillage seeder on paddy mulching film

The invention provides a precise seed-attaching no-tillage seeder on a paddy mulching film. The precise seed-attaching no-tillage seeder comprises a PLC (Programmable Logic Controller), a man-machine interaction unit, a rack, a glue spraying unit, a notch unit, a seed attaching unit, a residual seed recycling box, a cam carrier roller, a tensioning/reversing carrier roller unit, a mulching film carrier roller, a power film clamping unit, two tensioning carrier rollers, a film winding carrier roller, a displacement sensor and three frequency conversion motors, wherein the tensioning/reversing carrier roller unit, the mulching film carrier roller, the power film clamping unit, the two tensioning carrier rollers and the film winding carrier roller are respectively arranged at the two sides of the rack through bearings; power is respectively supplied to the power film clamping unit, the cam carrier roller and the film winding carrier roller by the three frequency conversion motors; the mulching film is wound on the mulching film carrier roller; and the mulching film sequentially winds around the first tensioning carrier roller, the cam carrier roller, the tensioning/reversing carrier roller unit, the power film clamping unit and the second carrier roller, and is finally wound by the film winding carrier roller. The machine disclosed by the invention is precise in positioning and accurate in sowing on the mulching film and is suitable for large-area mechanical work of direct sowing production of rice.
Owner:HEILONGJIANG JIAHE AGRI SCI & TECH DEV

Natural-fiber artificial leather and manufacturing method thereof

The invention relates to the technical field of leather processing, in particular to natural-fiber artificial leather and a manufacturing method thereof. The natural-fiber artificial leather is obtained through the following processing steps: opening, carding and dry-process needling treatment is sequentially conducted on natural fibers to obtain a needled non-woven base layer with a fiber net structure inside; by adopting a microwave dyeing method, the needled non-woven base layer is dyed with a chemical dye in a permeating way to obtain gray artificial leather; the upper surface layer of thegray artificial leather is sequentially coated with a bottom sealing layer, a first resin layer, a second resin layer and an oil wax layer in a rolling way, and polishing is carried out to obtain thenatural fiber artificial leather. By adopting the processing technology, energy is saved, emission is reduced, the method is friendly to the environment, the processed artificial leather has excellent washing fading performance and frictional fading performance and good dyeing firmness, the yellowing resistance and aging resistance reach the standard, and various mechanical properties such as tensile strength, tearing strength and elongation are all higher than the index requirements.
Owner:辛集市宝隆科技有限公司

Wet electrostatic dust collector for fresh air system

The invention discloses a wet electrostatic dust collector for a fresh air system. An anode system and a cathode system of the wet electrostatic dust collector for the fresh air system are fixedly connected to a pole plate framework. Idler wheels are arranged at the bottom of the pole plate framework. An access door is arranged on the open side of a shell so that the anode system and the cathode system of the wet electrostatic dust collector can be replaced or maintained conveniently by directly taking the pole plate framework out, and the problem that as an existing wet electrostatic dust collector for the fresh air system is small in size, the wet electrostatic dust collector is difficult to replace and maintain is solved. Meanwhile, the wet electrostatic dust collector for the fresh air system is provided with a water collecting tank and a circulating water pump, water circulates in the water collecting tank and a spraying system by means of the circulating water pump, and the problem of high water consumption of the existing wet electrostatic dust collector for the fresh air system is solved. Meanwhile, a dual-drive electrostatic dust collection mode is adopted by the wet electrostatic dust collector for the fresh air system, so that the dust collection efficiency is high.
Owner:ZHEJIANG ZHONGTAI ENVIRONMENTAL PROTECTION EQUIP CO LTD

Circulating type fish tank and fish tank water purifying method

The invention relates to fish tanks. A circulating type fish tank comprises a fish keeping cavity and a purifying cavity, wherein a water inlet tank and an overflow tank are arranged at the upper end of the purifying cavity, a concentrated water hopper is arranged at the lower end of the purifying cavity, the water inlet tank is provided with a water inlet pipe with an outlet opens downwards, the fall between the outlet of the water inlet pipe and the upper end of the overflow tank is 1.1-1.2 m, the fall between the outlet of the water inlet pipe and the upper end of the concentrated water hopper is 0.5-0.7 m, the water inlet pipe is disconnected from the side wall of the purifying cavity, a concentrated water inlet pipe is arranged in the concentrated water hopper and communicated with the water inlet tank through a concentrated water return pipe, a concentrated water drain pump and a three-way valve are arranged on the concentrated water return pipe, water storage spaces at the same height in the fish keeping cavity are communicated horizontally, the overflow tank is higher than the fish keeping cavity and communicated with the fish keeping cavity, the fish keeping cavity is communicated with the water inlet tank through a circulating water pipe, and the circulating water pipe is provided with a circulating water pump. The fish tank has the advantage that water consumption can be reduced when the fish tank is used for keeping fish and solves the problem that existing fish tanks consume a large amount of water when used for keeping fish.
Owner:张致睿

Method for improving reaction property of dissolving pulp board

The invention provides a method for improving the reaction property of a dissolving pulp board. The method comprises the following steps of adopting the dissolving pulp board with the thickness being 0.05cm to 0.50cm, and controlling the moisture content of the dissolving pulp board to be 2 percent to 10 percent for standby use; adopting cellulase for preparing a cellulase solution with the mass concentration being 5 percent to 10 percent, adopting strong acidic-weak basic salt for adjusting a pH value of the cellulase solution to be 4.5 to 5.5, and obtaining a cellulase solution for standby use; sequentially and uniformly spraying the cellulase solution for standby use and water on the processed dissolving pulp board, and preparing to react; putting the dissolving pulp board into a constant temperature and humidity room for reacting, wherein the temperature of the constant temperature and humidity room ranges from 40 to 60 DEG C, and the humidity of the constant temperature and humidity room is consistent to the moisture content of the sprayed dissolving pulp board. According to the method provided by the invention, the reaction property of the dissolving pulp board is improved, meanwhile, not only is the waste of water resource avoided, but also the energy consumption is reduced, and the method is lower in cost.
Owner:FUJIAN AGRI & FORESTRY UNIV

Waste plastic cleaning and sorting device and technology

The invention relates to a waste plastic cleaning and sorting device and technology, and belongs to the technical field of waste plastic comprehensive utilization. According to the technical scheme, the device is formed by series connection of three cleaning and sorting device bodies, a high-speed-rotating propeller is used, the acute waterflow turbulence is generated, impurities bonded on the waste plastic are separated, a screening plate is used for separating heavy-impurity plastic from the impurities, the heavy-impurity plastic and the impurities are conveyed out and are subject to treatment, a dial wheel is used for cleaning and sorting the little-impurity plastic from the waste plastic and then moving the little-impurity plastic out, power consumption is reduced, the little-impurity plastic, the heavy-impurity plastic and the impurities are thoroughly separated, the waste plastic is sufficiently reutilized, the waste is turned into wealth, environment pollutions are reduced, the power consumption is low, and the device and technology are easily used and popularized. The separated-out little-impurity plastic, the heavy-impurity plastic, the impurities and the like are comprehensively used, the environment pollution is reduced, and the repeated use value of the waste plastic is improved.
Owner:唐山鼎业塑材科技有限公司

Coke oven waste gas utilization device and application method thereof

The invention discloses a coke oven waste gas utilization device and an application method thereof, and belongs to the technical field of coking. In the device, a coke oven is connected with a reformer through a compressor, a synthesized gas outlet at the upper end of the reformer is connected with a chemical synthesizer through a supercharger, a waste gas outlet at the lower end of the chemical synthesizer is connected with a multi-level gas liquid separator, the multi-level gas liquid separator is a cyclone spiral pipeline heat exchanger, the lower end of the multi-level gas liquid separator leads to an expansion flash vessel, a gas outlet of the expansion flash vessel is connected with the upper end of the reformer, a liquid outlet of the expansion flash vessel leads to a water reservoir, oxygen separated by an air separator leads to the coke oven along a pipeline, and liquid nitrogen separated by the air separator leads to the multi-level gas liquid separator. Firstly the heat of the waste gas and the separated CO2 and water are fully utilized, and in addition, the liquid nitrogen separated by the air separator serves as a condensing medium to cool in the multi-level gas liquid separator. The coke oven waste gas utilization device is a green and environmentally-friendly process unit. The building and construction costs of the device are low, and the device is easy to popularize and apply.
Owner:TAIYUAN UNIV OF TECH

Coke oven waste gas utilization device and application method thereof

The invention discloses a coke oven waste gas utilization device and an application method thereof, and belongs to the technical field of coking. In the device, a coke oven is connected with a reformer through a compressor, a synthesized gas outlet at the upper end of the reformer is connected with a chemical synthesizer through a supercharger, a waste gas outlet at the lower end of the chemical synthesizer is connected with a multi-level gas liquid separator, the multi-level gas liquid separator is a cyclone spiral pipeline heat exchanger, the lower end of the multi-level gas liquid separator leads to an expansion flash vessel, a gas outlet of the expansion flash vessel is connected with the upper end of the reformer, a liquid outlet of the expansion flash vessel leads to a water reservoir, oxygen separated by an air separator leads to the coke oven along a pipeline, and liquid nitrogen separated by the air separator leads to the multi-level gas liquid separator. Firstly the heat of the waste gas and the separated CO2 and water are fully utilized, and in addition, the liquid nitrogen separated by the air separator serves as a condensing medium to cool in the multi-level gas liquid separator. The coke oven waste gas utilization device is a green and environmentally-friendly process unit. The building and construction costs of the device are low, and the device is easy to popularize and apply.
Owner:TAIYUAN UNIV OF TECH

Dry manure two-phase anaerobic digestion system for pig farm

The invention discloses a dry manure two-phase anaerobic digestion system for a pig farm belonging to the technical field of environment engineering and energy, which uses a hydrolytic acidification and methane production two-phase anaerobic digestion system as a main body. The system is characterized in that the dry manure in the pig farm is treated by integrating aeration biogas slurry reflux, external culture of acid producing bacteria and methane producing bacteria, and activity maintaining device so as to solve the problem that the prior two-phase process cannot effectively treat high solid concentration pig manure and has lower efficiency, thoroughly solve the problem of large water consumption of the conventional anaerobic treatment, realize biogas slurry concentration, reduce the discharge amount of the biogas slurry, greatly reduce subsequent treatment load of biogas engineering, and realize quick degradation and efficient gas production of organic waste. After application, the system improves the comprehensive economic benefit by 20 percent compared with the prior anaerobic system; and the improvement on efficiency ensures that the biogas engineering of the dry manure pig farm realizes self supply of energy, and maintains normal operation of the biogas engineering of the pig farm in winter, thereby achieving multiple aims of saving water, reducing discharge, protecting environment and producing energy and fertilizer.
Owner:CHINA AGRI UNIV

Water supply mechanism for cooling tower, cooling tower, air conditioning system and control method

The invention discloses a water supply mechanism for a cooling tower, the cooling tower, an air conditioning system and a control method, relates to the technical field of air conditioners, and solves the problem of single driving water source of a hydraulic fan of the cooling tower in the prior art. The water supply mechanism comprises a spray water supply assembly, a condensate water supply assembly and a chilled water supply assembly, and the water outlet ends of the spray water supply assembly, the condensate water supply assembly and the chilled water supply assembly are connected with a water inlet of a hydraulic fan of the cooling tower. And water is supplied to a hydraulic fan of the cooling tower through at least one of the spray water supply assembly, the condensate water supply assembly and the chilled water supply assembly. The water supply mechanism comprises three sets of hydraulic fan driving water sources, when the spray water supply assembly breaks down, water can be supplied to a hydraulic fan of the cooling tower through the condensate water supply assembly and/or the chilled water supply assembly, the hydraulic fan is driven to rotate, it is guaranteed that the cooling tower can dissipate heat normally, and therefore long-term stable operation of the cooling tower is guaranteed.
Owner:PINGDINGSHAN TIANAN COAL MINING +2

A flue gas waste heat energy-saving and environmentally friendly pulverized coal preparation system

An energy-saving and environment-friendly flue gas waste heat pulverized coal preparation system comprises a belt coal feeder, a raw coal bunker, a coal feeder, a coal mill and a powder recovery bunker, wherein the dry air inlet of the coal mill communicates with the outlet of a first induced draft fan which is used for inputting high-temperature flue gas at the tail part of a boiler to the coal mill; an inert gas input passage is arranged in front of the dry air inlet of the coal mill; a first control valve is mounted on the inert gas input passage; the outlet of the coal mill communicates with the inlet of the powder recover bunker; a gas temperature detector and a gas concentration detector are mounted behind the outlet of the coal mill and connected with an alarm controller; a pulverized coal collection device is arranged in the powder recovery bunker; a second induced draft fan is mounted behind the flue gas outlet of the powder recovery bunker; and the outlet of the second induced draft fan communicates with the inlet of a flue gas desulfurization device or a chimney. The energy-saving and environment-friendly flue gas waste heat pulverized coal preparation system is a special production line for providing coal dust fuels for the pulverized coal boiler, the security of the pulverized coal preparation system can be guaranteed while the waste heat of flue gas at the tail part of the boiler is effectively utilized, energy saving and consumption reduction are realized and the environment is protected.
Owner:SHANDONG HUANNENG DESIGN INST

A method for improving the reaction performance of dissolving pulp plates

The invention provides a method for improving the reaction property of a dissolving pulp board. The method comprises the following steps of adopting the dissolving pulp board with the thickness being 0.05cm to 0.50cm, and controlling the moisture content of the dissolving pulp board to be 2 percent to 10 percent for standby use; adopting cellulase for preparing a cellulase solution with the mass concentration being 5 percent to 10 percent, adopting strong acidic-weak basic salt for adjusting a pH value of the cellulase solution to be 4.5 to 5.5, and obtaining a cellulase solution for standby use; sequentially and uniformly spraying the cellulase solution for standby use and water on the processed dissolving pulp board, and preparing to react; putting the dissolving pulp board into a constant temperature and humidity room for reacting, wherein the temperature of the constant temperature and humidity room ranges from 40 to 60 DEG C, and the humidity of the constant temperature and humidity room is consistent to the moisture content of the sprayed dissolving pulp board. According to the method provided by the invention, the reaction property of the dissolving pulp board is improved, meanwhile, not only is the waste of water resource avoided, but also the energy consumption is reduced, and the method is lower in cost.
Owner:FUJIAN AGRI & FORESTRY UNIV

Biological medical sterilizing disinfecting box

The invention provides a biological medical sterilizing disinfecting box, and relates to the field of biological medicines. The sterilizing disinfecting box comprises a disinfecting carrier, one sideof the disinfecting carrier is provided with a liquid mixing box, and the right side of the liquid mixing box is fixedly connected with the left side of the disinfecting carrier. According to the sterilizing disinfecting box, by arranging a water leakage pipe and through the cooperative arrangement of a filtering tank, a heating pipe, a heating ring, a protecting housing and a flow guiding pipe, accumulated disinfectant in a lining flows into the filtering tank through the water leakage pipe, so that the filtered disinfectant flows into the heating pipe, the disinfectant in the heating pipe starts boiling to evaporate steam through the heating of the heating ring in the protecting housing, so that the steam flows into the lining and an interlayer of the disinfecting carrier through the flow guiding pipe, the steams in the interlayer can increase the temperature of the lining, excess steam is discharged through a steam discharging head, the temperature of the inner wall of the disinfecting carrier is ensured, and the breeding of bacteria in the sterilizing carrier can be prevented by higher internal temperature of the disinfecting carrier.
Owner:张梅

Device and method for dry-type collaborative purification and indirect cooling of fixed bed gas oily dust

The invention provides a device and a method for dry-type collaborative purification and indirect cooling of fixed bed gas oily dust, and belongs to the technical field of gas treatment. The device provided by the invention is reasonable in overall structure arrangement, good in coal gas purification effect, energy-saving and environment-friendly. Specifically, an oily dust pre-removal device 1, adry dust collector 2 and an indirect cooler 3 are adopted, dust and tar in coal gas can be efficiently and synergistically purified and separated, and the content of impurities in coal gas condensateis low, so that the problems of oil-containing, phenol-containing and dust-containing wastewater pollution and difficulty in treatment in the traditional coal gasification direct cooling process canbe solved. The oily dust pre-removal device 1 and the dry dust collector 2 are adopted, so that the dust and tar separation efficiency is high, and the problem that tar contained in the coal gas adheres to and blocks a dust removal system can be solved; the indirect cooler 3 and a steam stripping ammonia distillation system 4 are adopted, condensate water with ammonia nitrogen removed can be usedas circulating water replenishing water, and water consumption is low, and therefore, the problem that ammonia nitrogen in coal gas condensate water is difficult to treat and a water balance problem can be solved.
Owner:中科合肥煤气化技术有限公司
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