43results about How to "Low daily operating costs" patented technology

The invention discloses a method for enhancing the gas-liquid mass transfer of an ebullated bed hydrogenation reactor, which comprises the following processes of: introducing fresh raw oil, circulating oil and hydrogen into a microbubble generator arranged in front of the reactor, fully mixing to make the hydrogen dispersed in a liquid-phase material in the form of microbubbles, and performing hydrogenation and cracking reaction in the ebullated bed reactor. The method can improve the utilization rate of the hydrogen, reduce the volume ratio of the hydrogen to the oil, save operating cost andpromote the depth of the hydrogenation and cracking reaction.

The invention relates to a method for processing oil sludge, and is suitable for processing ground crude oil in oil field, and a whole technology does not impacted by the loading. According to the existence state of oil, sand and water in oil-containing sludge, by the steps of heating, adding drug, homogenizing, aerating, depositing and centrifuging at high speed, the existence distribution state of oil, sand and water can be changed, the sand-in-oil phenomenon in the original oil sludge is gradually changed to sand-in-water, and the inclusion viscosity of the crude oil to sediment is reduced. Through settlement, oil sludge can be separated before entering into a centrifuge, the loading of the high speed centrifuge is reduced, processing amount of a device is increased, and the unit energy consumption is reduced. The separated sediment surface as well as the internal oil content are reduced to the lowest limitation. The unit treatment process parameter can be freely adjusted according to the oil-containing sludge processing requirement, the method has certain adaption capability; the process is simple and smooth, the operation and management are convenient, recovered crude oil and processed sediment can reach the standard in a stable manner, and a system employs the combination of automatic mode and manual operation.

The invention discloses a lithium bromide absorbing refrigerator of a membrane separation concentrating solution, is to realize effects of saving energy, environmental protection, production cost reduction, daily operation expense reduction, easy maintaining and safety. The refrigerator includes an evaporator (1), an absorber (2), an air extractor (3), an evaporator pump (4), an absorbor reflux pump (5), a setting membrane separating and filtering device (6), the membrane separating and filtering device is provided with a liquid inlet, a liquid outlet and a water outlet which are connected with an absorbor dilute solution outlet, an absorbor concentrated solution inlet and an evaporator water inlet respectively. The invention is suitable for central air-condition systems in hotels, emporiums and office buildings.

The invention relates to a sea water temperature automatic monitoring system based on GPRS in the field of electric communicating technology. It adopts a fast temperature data collecting end which uses MSC1210 single chip machine as core device and adopts GPRS communicating technology. The system is mainly suit for the environment monitoring department and the aquaculture to acquire the sea water temperature rule.

The invention discloses a low hydrogen-oil ratio hydrotreating method and a reactor. Hydrogen is directly transported to the top space of the reactor, a liquid distributor is arranged at the inner top of the reactor, the liquid distributor consists of an upper hollow disc structure and at least one Venturi ejector communicated with the hollow disc, and raw oil is directly transported into the hollow disc of the liquid distributor through a pipeline, enters the Venturi ejector through the hollow disc, is sprayed as vaporous fluid at an outlet of the Venturi ejector to be dispersed in gas, then flows downwards and is hydrotreated through a catalyst bed layer. With the hydrotreating method and the reactor disclosed by the invention, the reaction hydrogen-oil ratio can be reduced, the use efficiency of the hydrogen is improved, a good hydrogenation environment is provided, and simultaneously the utilization ratio of catalysts and reactor volume is improved.

The invention relates to a domestic sewage non-backflow denitrification treatment device and method. An internal space of an integrated reaction pond body of the device is sequentially divided into anaerobic denitrification areas and aerobiotic nitrification areas, which are alternately distributed and serially connected with one another, along the running direction of the sewage, and an anaerobic denitrification area is arranged on the rearmost end of the reaction pond body; filler which is 80 to 90 percent of the volume of each anaerobic denitrification area is filled inside each anaerobic denitrification area, the upper part of each anaerobic denitrification area is provided with a gas collection pipe which is used for adjusting a self backflow state; and the bottom of each aerobic nitrification area is provided with a micro-pore aeration head, and a corresponding deflection plate is arranged above the rear side of the micro-pore aeration head. The nitrification areas and the denitrification areas are mutually independent from one another, the nitrified bacteria is intercepted in each nitrification area through a self-backflow way of the sludge, the denitrification efficiency is high and no alkaline is needed; and the domestic sewage non-backflow denitrification treatment device and method are suitable for the dispersion domestic sewage treatment, simple in process, convenient to manage, less in investment of capital construction, low in daily running expense and high-efficient in denitrification; and the sewage after being treated can reach a discharging standard A.

The invention relates to an industrial exhaust gas and suspended particulate matter purifying processing system. The industrial exhaust gas and suspended particulate matter purifying processing system comprises a purifying cylinder, an atomization spraying system, a dynamic physical gas-mist separation system, an air suction device, and an air discharge device; the upper part of the purifying cylinder is provided with a gas outlet, and the lower part is provided with a gas inlet; the atomization spraying system comprises an atomization spraying mechanism, and a spraying pump; the atomization spraying mechanism is arranged on the inner wall of the purifying cylinder close to the gas inlet; the spraying pump is communicated with the atomization spraying mechanism; the dynamic physical gas-mist separation system comprises a dynamic physical gas-mist separation device and a rotating driving device; the dynamic physical gas-mist separation device is arranged on the inner wall of the purifying cylinder close to the gas outlet, and a dynamic physical blocking separating rotor is arranged in the dynamic physical gas-mist separation device; the rotating driving device is arranged on the upper end of the purifying cylinder, and a driving end is connected with the dynamic physical blocking separating rotor after penetrating the top wall of the purifying cylinder; the air suction device is communicated with the gas inlet; the air discharge device is communicated with the gas outlet. The advantages are as following: purifying effect is excellent, purifying of smoke and dust, suspended particulate matters, dust-containing water mist, and harmful gas can be realized, and environment pollution is reduced.

The invention discloses a piezoelectric driving type ultrasonic water-mist humidifying-cooling dust remover. The dust remover is characterized by comprising a body, wherein a water storage tank is arranged at a left part in the body, a sealed atomizing chamber is arranged at a right upper part in the body, and a cavity chamber for mounting parts is arranged between the water storage tank and the atomizing chamber; the bottom of the water storage tank is communicated with the bottom of the atomizing chamber through a pipeline, an electromagnetic water valve and a water pump are mounted on the pipeline, an atomizing driving device is mounted at the bottom in the atomizing chamber, a mist outlet is formed in the top of the atomizing chamber, an air pump and a control circuit are mounted in the cavity chamber, and an air outlet pipeline of the air pump is communicated with the upper half part of the atomizing chamber; and the air pump, the electromagnetic water valve, the water pump and the atomizing driving device are connected with an inlet end of the control circuit, and an adjusting knob for regulating the vibration strength of the atomizing driving device is electrically connected to an output end of the control circuit. The piezoelectric driving type ultrasonic water-mist humidifying-cooling dust remover is of a compact structure and high in humidifying-cooling dust removal efficiency and can be used in different working regions.

The invention discloses a sewage and rainwater treatment system for colleges and universities. The system sequentially includes a regulation pool, a vertical flow artificial wetland, a first ecological-based artificial wetland, an ecological gravel bed, a second ecological-based artificial wetland, a disinfection tank and a water outlet tank according to a water treatment order. Every adjacent twoare connected through a sewage pipe. The vertical flow artificial wetland and a bed body of the ecological gravel bed are rectangular, two corresponding sides of the bed body are respectively provided with a water distribution channel and a water collecting channel which have rectangular cross sections, the middle of the bed body is provided with an overflow channel perpendicular to the water distribution channel, and retaining walls are distributed on the remaining two sides; water distributing pipes are distributed evenly on the vertical flow artificial wetland and the upper portion of thebed body of the ecological gravel bed, and water collecting pipes are distributed on the lower portions of the water distributing pipes. The water distributing pipes are longitudinally connected withventilating pipes. According to the sewage and rainwater treatment system for colleges and universities, the recycling of washing sewage and rainwater of the colleges and universities is achieved, andthe sewage recycling rate is improved.

The invention discloses a VOCs treatment device and an adopted centralized and distributed treatment method thereof. The VOCs treatment device aims at solving the problem that resource waste and hazardous waste treatment can be caused because saturated-adsorbed active carbon is directly discarded in using the active carbon to adsorb VOCs gas of more and small VOCs pollution sources. According to the VOCs treatment device, by using the centralized and distributed treatment method, an active carbon adsorption device is established in the VOCs pollution source in place as a base (distributed treatment); through a regenerative apparatus (centralized regeneration), the regeneration of the saturated-adsorbed active carbon is realized; therefore, the investment of an enterprise to a combustion regeneration device is effectively saved, and the problem that the saturated active carbon is directly discarded is also solved. The VOCs treatment device disclosed by the invention has the advantages that small-gas quantity and low-concentration VOCs gas treatment demands of the enterprise can be satisfied; higher application value and better application prospect are realized; the concept is ingenious; the design is reasonable; the operation is convenient; and important progressive significance in treatment of volatile organic compounds and environment improvement is realized.

The invention relates to a device for analyzing the mixed gas of O2, N2, and H2, for solving the defects of present analysis which needs at least two color spectrums with complex operation and large error, wherein the invention uses one gas switch valve to realize different carrier gas switch, to use nitrogen gas or argon gas as carrier gas when testing hydrogen gas, and use hydrogen gas or argon gas as carrier gas when testing other gas, while the detections of all components are processed on single thermal conductive detector, to analyze the mixed gas with single machine. The invention can be used in the industrial production of color spectrum analyze device.

The invention discloses a lithium bromide absorption refrigerator with a surface active agent gas phase adding device. The lithium bromide absorption refrigerator comprises an evaporator (1), an absorber (2), a compressor (3), an evaporator pump (4) and an absorber reflux pump (5). The lithium bromide absorption refrigerator is characterized in that the outer side of the absorber (2) is provided with a membrane separation filter (6), and the membrane separation filter (6) is provided with a liquid inlet, a liquid outlet and a water outlet which are connected with a dilute solution outlet of the absorber (2), a concentrated solution inlet of the absorber (2) and a water inlet of the evaporator (1) respectively. The outer side of the evaporator (1) is provided with the surface active agent gas phase adding device (10) which is connected into the upper end of the liquid surface of the evaporator (1) through a pipeline. According to the lithium bromide absorption refrigerator, daily operating cost and the cooling water consumption are reduced, and the pump electric energy consumption is decreased.

The invention discloses a sludge pretreatment device which comprises a sludge settling tank and an airing area, wherein a sludge inlet pipe and a sludge outlet pipe are arranged on the top of the sludge settling tank; a dosing device is arranged on the side of the sludge inlet pipe; a plug is arranged at the tail end of the sludge outlet pipe; a mud outlet pipe is arranged on the sludge outlet pipe; a supporting rod is arranged on one side of the sludge outlet pipe; the airing area comprises an airing cavity, a rotating device and a water container; a water outlet pipe is arranged at the bottom of the airing cavity; the rotating device is arranged between the airing cavity and the water container; a connecting pipe is arranged on one side of the water container; the water container is communicated with the bottom of the sludge settling tank by virtue of the connecting pipe; a one-way valve is arranged on the connecting pipe; and a branch drainage pipe is arranged on the other side of the water container. The sludge pretreatment device disclosed by the invention is simple in structure, convenient to operate, high in device reliability, convenient to maintain and manage, low in powerconsumption and low in daily operating cost.

The invention discloses a device for treating production line wastewater through combination of a heat pump concentration device and a drying device, and relates to the technical field of environmental protection equipment, in particular to a first distillation still and a second distillation still, the outer side of the first distillation still is connected with a stock solution inlet pipe, and a pneumatic diaphragm pump is installed at the end of a concentrated solution outlet pipe; and the top of the first distillation kettle is connected with a steam outlet pipe, the second distillation kettle is communicated with the first distillation kettle through a concentrated solution transmission pipe, the other side of the second distillation kettle is provided with a filter box, and the tail end of the steam transmission pipe is connected with a first condensation pipe. According to the device for treating the production line wastewater through the combination of the heat pump concentration device and the drying device, the purposes of energy conservation, treatment and recovery of cleaning water are achieved by effectively utilizing cold and heat exchange in a negative pressure state through a heat pump technology, concentrated liquid is reduced and dried through negative pressure drying equipment, the maximum economic benefit is achieved, the daily operation cost of an enterprise is reduced, and daily operation and maintenance personnel and cost are reduced.