34results about How to "Full cycle" patented technology

The invention relates to a high-efficiency hydrogen sulfide gas absorption device which mainly solves the problem about purification of hydrogen sulfide in industrial gas. The high-efficiency hydrogen sulfide gas absorption device comprises a swirl jet absorber, an integrated desorption and regeneration device and a circulating liquid pump, wherein the swirl jet absorber adopts single-stage or multistage connection and is provided with a mixed gas inlet, an absorption liquid inlet, a purified gas outlet and an absorption liquid outlet, and a one-way valve is connected to the bottom of the swirl jet absorber; the integrated desorption and regeneration device is provided with an air inlet, an elementary sulfur outlet, an absorption liquid outlet and a sampling port, and the absorption liquid outlet is connected with the circulating liquid pump; the circulating liquid pump conveys absorption liquid to the absorption liquid inlet of the swirl jet absorber, and a detection instrument and the one-way valve are connected to the inside of a pipeline. According to the high-efficiency hydrogen sulfide gas absorption device provided by the invention, the absorption efficiency of the hydrogen sulfide in the gas is improved, and the stability of the absorption device is enhanced.

The invention discloses a powder coating closed circulation pulverizer unit. The powder coating closed circulation pulverizer unit comprises a pulverizer, a cyclone separation unit, a bag dust collector and an induced draught fan which are connected in sequence, wherein the dust collector unit further comprises an evaporator arranged behind the induced draught fan; the evaporator is externally connected with a refrigerating compressor unit and communicates with the pulverizer; the evaporator also communicates with a tablet compressing cooling crusher in front of the pulverizer. Through the arrangement, gas and dust both circulate in pulverizer equipment or are collected by the dust collector for reutilization, so that atmospheric pollution is avoided, the utilization rate of raw materials is high. Through the additional arrangement of the refrigerating compressor unit, the temperature in the whole circulation can be lowered, the temperature of the pulverizer can be lowered, lasting rising of the temperature in the pulverizer is avoided, and the quality of produced coating is guaranteed.

The invention discloses a two-stage counter current oxidative pressure leaching method for lead in lead sulfide concentrate with a sulfonic acid solution. According to the method, the sulfonic acid solution is mixed with the lead sulfide concentrate and a surfactant, then the mixture reacts in an autoclave, iron ions are adopted to serve as an oxidation catalyst, and selective leaching of lead is realized with a two-stage counter current leaching method including neutral oxygen pressure leaching and acid oxygen pressure leaching; sulfur in the concentrate is oxidized into element sulfur and remains in slag. A neutral leaching agent is subjected to electrodeposition and metal lead and a waste electrolyte are obtained; the waste electrolyte is used for acid leaching next time or used for preparing a new electrolyte. With the adoption of the method, efficient extraction of the lead is realized, recycling of the leaching liquor and the electrolyte is realized, no waste liquor is produced, and the method meets the requirement for environment protection.

The invention discloses a self-balancing vibration and rubber pad shock absorption fluidized bed type ion exchange water treatment device. The self-balancing vibration and rubber pad shock absorption fluidized bed type ion exchange water treatment device is characterized in that repetitive conical funnel sieve surfaces and wide-brimmed hat-shaped sieve surfaces in a tower body form a plurality of layers of supporting discs for resin dispersion, vibration is transmitted by using water as a medium carrier to realize layer-by-layer falling and dispersion of resin, central falling pipes complete transfer of the resin from the conical funnel sieve surfaces to the wide-brimmed hat-shaped sieve surfaces, elastic ring pieces on the edges of the wide-brimmed hat-shaped sieve surfaces can realize micro-pressure opening to allow the resin to be transferred to a next conical funnel sieve surface, and the resin is repetitively diffused layer by layer, falls down and finally is transferred and conveyed to a next working step through a pump and a Venturi injection and absorption device at a tower bottom. The repetitive conical funnel sieve surfaces and the wide-brimmed hat-shaped sieve surfaces in the tower body can realize smooth resin falling and resin circulation by fully utilizing buoyancy, vibration and inclination angles, thereby the effects of long time of contact between the resin and a liquid phase, full ion exchange, no channeling and no dead corner are realized, the automatic continuous operation is realized under the condition of high-efficiency and uniform countercurrent mass transfer, and the application value is important.

The embodiment of the invention discloses an order information processing method and device, electronic equipment and a computer readable medium. One specific embodiment of the method comprises the steps of acquiring user order information of a target user, wherein the user order information comprises at least one service order number and a user order state; obtaining at least one piece of servicelist information corresponding to the at least one service list number from a target database, with the service list information comprising a service list state; adding the service list information in the at least one piece of service list information into a service list information processing queue; and executing a target operation on the service list information in the service list informationprocessing queue. According to the embodiment, the life cycle of purchasing and using the virtual commodity is perfected, and the problem that the user cannot use the service corresponding to the virtual commodity due to loss, leakage and embezzlement of the exchange code is avoided.

The invention discloses an agricultural dampproof storage device, and relates to the technical field of agricultural equipment. The agricultural dampproof storage device comprises a storage room, a feeding hopper is mounted at the top of the storage room in a communicating manner, and a screen plate is horizontally arranged in the storage room. A scattering mechanism is arranged above the screen plate, a lifting and circulating mechanism is arranged in a lifting barrel, and an air blower located below the screen plate is arranged in the storage room. A dust removal mechanism is arranged on theside wall of the storage room. According to the agricultural dampproof storage device, cereal grains can be stored, and an efficient drying and dust removing effect can be achieved. The cereal gainson the screen plate can be laid through a tooth plate in the scattering mechanism, meanwhile, the screen plate vibrates, the cereal grains gradually drop, the cereal grains are scattered, and meanwhile the drying effect of hot air injected by an air injection disc is achieved. By means of circulation of the lifting and circulating mechanism, the cereal grains can be repeatedly and fully dried. Dust can be removed through the arranged dust removal mechanism, and the cleanliness and quality of the cereal grains are improved.

The invention provides a hair-protection unhairing and liming waste liquor recycling method in the tanning industry. In the method, an organic sulfur unhairing material is used to carry out hair-protection unhairing; sodium sulfide and lime are used to carry out liming processing; after solid impurities in liming waste liquor are removed, the liming waste liquor replaces water to be reused in theliming processing; after being circulated for 1 to 5 times, the liming waste liquor is processed by acid, so that sodium sulfide in the waste liquor is converted into hydrogen sulfide and proteins also generate precipitates; the generated sodium sulfide is adsorbed by using sodium hydroxide and is reused in the liming processing; after the proteins in the processed waste liquor are filtered, the processed waste liquor is reused for pre-soaking, so that the complete circulation of the liming waste liquor is realized.

The invention discloses a tea fermentation barrel. The tea fermentation barrel comprises a barrel body, a cover, a gas inlet pipe with a valve, a gas outlet pipe, a drain pipe with a valve, support legs and a sieve plate. The tea fermentation barrel is a small fermentation barrel, which is applicable of small-batch production of multiple tea varieties; by inletting steam for heating, supplying water and oxygen and applying a pumping device and a spraying device to adjusting moisture, tea leaves can be oxidized at preferential temperature and humidity, and internal and external air can be in full circulation to facilitate oxidization of polyphenols in tea leaves. The tea fermentation barrel is simple in structure, convenient to use and capable of saving processes and improving the production efficiency and quality.

The invention discloses a fluid bed type ion exchange water treatment device adopting electromagnetic vibration and provided with foam cushions for damping. The device has the key characteristics that repeated conical funnel screen surfaces and bamboo hat screen surfaces in each tower body constitute multilayered support discs for dispersing resin, and water is taken as a medium carrier to transmit vibration, so that layer-by-layer falling and dispersing of resin are realized; resin on the conical funnel screen surfaces is transferred to the bamboo hat screen surfaces by the aid of central blanking pipes; the resin is transferred to the next conical funnel screen surface through micro-pressure opening which can be realized by elastic ring pieces on the edges of the bamboo hat screen surfaces; the resin is repeatedly diffused and falls off layer by layer, and finally, the resin is transferred and transported to a tower in the next work step by the aid of pumps and a Venturi ejection and absorption device at the corresponding tower bottom. The repeated conical funnel screen surfaces and bamboo hat screen surfaces in each tower body can sufficiently utilize buoyancy force, vibration and inclination to realize smooth falling and circulating of the resin, so that the contact time of the resin and a liquid phase is long, ion exchange is sufficient, liquid channeling and dead angles are avoided, automatic continuous operation is realized conveniently under the condition of efficient and uniform countercurrent mass transfer, and the device has an important application value.

The invention discloses a method for manufacturing green environmental-protection battery-grade ferrous oxalate; the method comprises the steps: with a full circulation process for production of a mother liquid with ferrous oxalate, carrying out a continuous reaction of a pure iron bar with the mass percentage of 99.95% and a reaction mother liquid containing sulfuric acid with the mass percentageof 12%-16% for 8-12 h under normal temperature and pressure, to generate a ferrous sulfate solution; pumping the ferrous sulfate solution to a reaction kettle by a pump, heating up to 38-42 DEG C, then adding an oxalic acid aqueous solution, to generate a precipitate ferrous oxalate and dilute sulfuric acid, carrying out cooling and separation steps, carrying out washing and drying processes of the solid ferrous oxalate, allowing all the liquid sulfur acid to return to a ferrous sulfate preparation process, and carrying out cyclic repetition of the all steps, so as to save consumption of theraw material sulfuric acid and consumption of alkaline materials required for subsequent neutralization of the acidic mother liquid. The method has the advantages of reducing raw material consumptionand reducing the cost of wastewater treatment, at the same time, the particle size distribution of the ferrous oxalate product is uniform, and the method shows good economic and environmental benefitsin technology.

An olefin hydration reaction method comprises the following steps: respectively introducing water and a mixed C4 raw material into a reactor, mixing and contacting with a solid acid catalyst, and carrying out hydration reaction under hydration reaction conditions to obtain tert-butyl alcohol; wherein the olefin hydration reaction device consists of a reactor (5), a liquid-solid separator (10), a liquid-liquid separator (15) and a jet mixer (4); a dispersed phase inlet (1) and a continuous phase inlet are formed in the bottom of the reactor, and the top of the reactor is communicated with the bottom of the reactor sequentially through a downcomer upper section (9), a solid-liquid separator, a downcomer lower section (11) and the jet mixer (4). The clear liquid outlet (12) of the solid-liquid separator is communicated with an inlet of the liquid-liquid separator, and a water phase outlet of the liquid-liquid separator is communicated with a suction inlet of the jet mixer (4). According to the olefin hydration reaction method provided by the invention, liquid-liquid mass transfer is enhanced, the catalyst circularly flows in the reactor, the reaction efficiency can be improved, and the long-period operation of the device is realized.

The invention discloses a self-balancing vibration and foam pad shock absorption fluidized bed type ion exchange water treatment device. The self-balancing vibration and foam pad shock absorption fluidized bed type ion exchange water treatment device is characterized in that repetitive conical funnel sieve surfaces and wide-brimmed hat-shaped sieve surfaces in a tower body form a plurality of layers of supporting discs for resin dispersion, vibration is transmitted by using water as a medium carrier to realize layer-by-layer falling and dispersion of resin, central falling pipes complete transfer of the resin from the conical funnel sieve surfaces to the wide-brimmed hat-shaped sieve surfaces, elastic ring pieces on the edges of the wide-brimmed hat-shaped sieve surfaces can realize micro-pressure opening to allow the resin to be transferred to a next conical funnel sieve surface, and the resin is repetitively diffused layer by layer, falls down and finally is transferred and conveyed to a next working step through a pump and a Venturi injection and absorption device at a tower bottom. The repetitive conical funnel sieve surfaces and the wide-brimmed hat-shaped sieve surfaces in the tower body can realize smooth resin falling and resin circulation by fully utilizing buoyancy, vibration and inclination angles, thereby the effects of long time of contact between the resin and a liquid phase, full ion exchange, no channeling and no dead corner are realized, the automatic continuous operation is realized under the condition of high-efficiency and uniform countercurrent mass transfer, and the application value is important.

The process flow of a geothermic electropower station has the main technical characteristics that a corrosion resistant multifunctional vacuum circulating water sump is used for converting the heat of corrosive geothermal water into steam, then the steam is recovered by a multifunctional steam recovering cabin; the recovered steam is compressed and heated layer by layer to finally form high temperature and high pressure water vapor reaching the supercritical pressure, and the water vapor is used for driving a steam turbine to generate electricity; furthermore, after doing work, the whole low temperature and low pressure water vapor is discharged and recovered, so as to realize circulating power generation.

The invention discloses a fluid bed type ion exchange water treatment device adopting electromagnetic vibration and provided with foam cushions for damping. The device has the key characteristics that repeated conical funnel screen surfaces and bamboo hat screen surfaces in each tower body constitute multilayered support discs for dispersing resin, and water is taken as a medium carrier to transmit vibration, so that layer-by-layer falling and dispersing of resin are realized; resin on the conical funnel screen surfaces is transferred to the bamboo hat screen surfaces by the aid of central blanking pipes; the resin is transferred to the next conical funnel screen surface through micro-pressure opening which can be realized by elastic ring pieces on the edges of the bamboo hat screen surfaces; the resin is repeatedly diffused and falls off layer by layer, and finally, the resin is transferred and transported to a tower in the next work step by the aid of pumps and a Venturi ejection and absorption device at the corresponding tower bottom. The repeated conical funnel screen surfaces and bamboo hat screen surfaces in each tower body can sufficiently utilize buoyancy force, vibration and inclination to realize smooth falling and circulating of the resin, so that the contact time of the resin and a liquid phase is long, ion exchange is sufficient, liquid channeling and dead angles are avoided, automatic continuous operation is realized conveniently under the condition of efficient and uniform countercurrent mass transfer, and the device has an important application value.