156 results about "Process plant" patented technology

The invention relates to the technical field of air conditioning, in particular to a pesticide processing plant air conditioning device which comprises a rotary drum installed at the top of a plant, the rotary drum is internally provided with a first cavity and an air guide channel, air in the plant flows into the first cavity through the air guide channel, a plurality of installation grooves are formed in the outer wall of the rotary drum, and the air guide channel is communicated with the installation grooves. The inner wall of each mounting groove is provided with an air guide groove communicating with the first cavity. By the adoption of the multiple obliquely-arranged fan blades, the rotary drum and the fan blades can conveniently rotate by means of air flowing outside the plant, air in the plant can be conveniently pumped out, the ventilation effect is improved, and therefore the air conditioning efficiency is improved, meanwhile, power can be provided by means of air flowing in any horizontal direction or in any oblique direction in the mode, and the air conditioning efficiency is improved. Therefore, the functionality of the device is improved.

A method and equipment for recycling alumina red mud. First, the alumina red mud is added to a mixed acid of hydrochloric acid and sulfuric acid for reaction to dissolve metals such as iron, aluminum, calcium, sodium, and a small amount of zinc, copper, magnesium, etc., and the solid silicon dioxide is left to be separated as building materials or glass raw materials; after the solution is collected, ammonium bicarbonate is added to obtain aluminum, calcium, and some metal precipitates and separated. Iron and sodium remain in the solution and continue to react with sodium hydroxide to obtain iron hydroxide precipitate and separate out sodium salts. After evaporation of the concentrated solution, iron oxide is obtained as a raw material for steel production; the aluminum, calcium, and other metal precipitates are added to sulfuric acid with a concentration of 90-98% for reaction. After all are dissolved, the solution is subjected to membrane separation and then carbonates are added to obtain calcium carbonate precipitate as a raw material for cement production; after evaporation of the concentrated solution, high-purity alumina is obtained and sent to an aluminum processing plant to produce pure aluminum or aluminum alloy products; the separated sodium salt solution is evaporated to be used as industrial and agricultural salt; the acid mist and harmful gases in the reactor process are treated by an absorption tower and then discharged. The present invention can make full use of the iron oxide, alumina, and effective components of alumina red mud, solves the problem of environmental pollution caused by the large amount of piled-up alumina red mud at present, has a low cost, and is suitable for the current alumina production plants.

The invention provides a chlorine-free environment-friendly oxidized cut starch water reducing agent as well as a preparation method and an application method thereof. A preparation method of a chlorine-free environment-friendly oxidized cut starch water reducing agent comprises the following steps: S1, oxidation pretreatment: carrying out two-step oxidation reaction on natural starch and 30% hydrogen peroxide under the action of a catalyst to prepare oxidized starch; step S2, acid cutting: gelatinizing the oxidized starch, adjusting the pH value to 1-3, cutting for 1.2-2 hours in an environment of 70-110 DEG C, and controlling the molecular weight to be 1500-2000; and S3, carrying out neutralization separation, adjusting the pH value to 6.5-7.5, adding ethanol, precipitating, taking the precipitate, washing, and drying to obtain the chlorine-free environment-friendly oxidized cut starch water reducing agent. The invention provides a preparation method of a starch-based water reducing agent without chloride ion residues, and solves the problem of corrosion of reinforcing steel bars in a traditional acid cutting method. Natural starch is used as a main raw material, the raw material is easy to obtain and low in cost; the process is simplified, no complex graft copolymerization equipment is needed, and the existing starch processing plant equipment can be directly transformed and utilized.

Various embodiments described herein relate to management of an industrial process in a process plant. In this regard, a status of an order of one or more orders is determined based at least on component spent characteristics. The one or more orders are associated with production of an industrial process product by the industrial process. A flag is set to a first value if the status of the order is a first status. Upon receiving an optimization request to optimize the industrial process with respect to another order, first notification(s) are rendered on a display. Then, the flag is set to a second value if the status of the order is a second status. Further, second notifications are rendered on the display, demand data associated with the orders is updated, and control signal is transmitted to a controller to optimize the industrial process with respect to another order.

The utility model relates to the technical field of drainage systems, in particular to a drainage system for a coal processing plant. Comprising a wastewater treatment unit, and further comprises a final treatment water outlet pool, a sampling detection unit, a diversion execution mechanism and a controller, the sampling detection unit comprises a sampling module and a water quality detection unit, and the final treatment pool is communicated with the wastewater treatment unit and used for storing treated coal processing wastewater; the sampling module is used for collecting a coal processing wastewater sample from a final treatment water outlet pool, the water quality detection unit is used for detecting water quality parameters in the coal processing wastewater sample, the shunting execution mechanism comprises a drainage electromagnetic valve and a reflux pump, a channel where the drainage electromagnetic valve is located is communicated with a drainage port, and a channel where the reflux pump is located is communicated with the wastewater treatment unit. The output end of the water quality detection unit is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input ends of the drainage electromagnetic valve and the reflux pump.

Adjustable throttle module for controlling one or more fluid flows and / or fluid currents in a process plant, such as a chemical plant, a power plant, a food processing plant, or the like, comprising: a fluid control body (100; 200) with a cylindrical section (102; 202) designed to engage with a hollow cylindrical control piston (320), wherein the cylindrical section (102; 202) has at least one elongated recess (106; 206) on an outer side (104; 204), wherein the at least one elongated recess (106; 206) extends in the axial direction of the fluid control body (100; 200), characterized by the fact that the fluid control body (108; 208) comprises a disk-shaped section (106; 206) which is designed to provide a sealing surface or sealing edge for the hollow cylindrical control piston (320).

The invention relates to a method for heating DRI (abbreviation for "direct reduced iron", also referred to as sponge iron) between a direct reduction plant and a further-processing plant, wherein the DRI (2) is conducted in the form of a DRI stream (3) from the direct reduction plant to the further-processing plant by means of a line arrangement (1) and the line arrangement (1) has one or more induction coils (4) in the form of a heating element for contactless heating of the DRI stream (3) conducted through the line arrangement (1), wherein the induction coil (4) or the induction coils (4) is / are operated with alternating current. The invention is characterized in that a frequency of at least 10 kHz is specified and / or set as the frequency of the alternating current.

The invention discloses a waste water treatment device for primary processing of coffee, and belongs to the technical field of waste water treatment.The filtering mechanism comprises a backflow bin and filter cartridges rotationally arranged on the two sides of the backflow bin, and the filter cartridges are used for filtering impurities and pectin in waste water; the flocculation mechanism comprises a flocculation tank and a purification tank which are coaxially arranged; the flocculation basin is positioned on one side of the filtering mechanism towards the gravity direction; the backflow bin comprises side plates on the two sides, arc plates are fixedly arranged on the side plates, and a linkage cavity is formed between the arc plates and the filter cartridge; the arc plate comprises a guide plate communicated with the interior of the backflow bin, and the guide plate is provided with a scraping part attached to the radial inner wall of the filter cartridge; a deposition bin is arranged at the bottom of the flocculation tank, and a plurality of filter screens communicated with the purification tank are mounted on the inner wall of the flocculation tank at intervals. According to the invention, the scraping part is tightly attached to the rotary filter cartridge and rotates along with the filter cartridge to realize on-line self-cleaning. All functional modules are highly integrated, and the system is especially suitable for coffee primary processing factories with limited sites.

A process for regeneration of a process enclosure and a catalyst comprising precipitated ammonium salts, and a process and a process plant for continuous hydrotreating a feedstock comprising nitrogen and halides.

In one aspect, described herein is a method for removing CO from flue gas or exhaust gas streams generated from point sources, including, but not limited to, power generation facilities, concrete manufacturing facilities, and chemical and food processing facilities. The method, in some embodiments, includes an adsorption cycle for removing at least 70 percent of CO from the exhaust gas stream. The adsorption cycle includes flowing the exhaust gas stream through at least one adsorbent bed formed from a monolithic adsorber having an outer peripheral wall and a plurality of inner partition walls that support organic or inorganic compounds that adsorb CO from the exhaust gas stream.

The utility model belongs to the technical field of plant raw material processing, and particularly relates to an extraction device for plant raw material processing, which comprises a reaction barrel, a support frame is fixedly connected to the rear side of the top end of the reaction barrel, a motor is fixedly connected to the front side of the top end of the support frame, and a grinding component is arranged at the bottom end of the motor. A water inlet pipe is arranged on the left side of the grinding assembly, a conveying pump is fixedly connected to the bottom end of the water inlet pipe, and a water outlet pipe is fixedly connected to the bottom end of the conveying pump; according to the extraction device for processing the plant raw materials, the grinding wheel is driven by the transmission rod to rub with the grinding groove formed in the inner side of the grinding box, so that the plant raw materials in an extracting solution are ground, cell walls can be destroyed, the contact area between a solvent and effective components is increased, the extraction efficiency is improved, and the extraction time is shortened; the solvent waste is reduced, and the concentration and quality of the extract are improved. And meanwhile, grinding is beneficial to component uniformity, and product consistency is ensured.

The present invention relates to a vacuum lock (2) for a high-temperature process plant (42), and to a high-temperature process plant in which a heating chamber (3) is connected downstream of the vacuum lock (2) for processing, wherein the vacuum lock (2) comprises: a heating device with a first heat transfer medium (5) in fluid form for heating the vacuum lock (2), a heat exchanger (20), and a first heat transfer medium circuit (8) for the first heat transfer medium (5) with a circulation of the heat transfer medium (5) from the heat exchanger (20) to the heating device of the vacuum lock (2) and back to the heat exchanger (20), wherein the heat exchanger (20) is configured to heat the first heat transfer medium (5) by means of a second heat transfer medium circuit (9) coupled to the heat exchanger (20).

According to the powder cutting compressor, a closed die cavity is rapidly formed through linkage of multiple oil cylinders, the extrusion efficiency is improved, multiple times of feeding can be achieved through primary initial pressing, metal compression blocks obtained through final compression and material pushing are larger in density, the space of finished products is further compressed, the compression efficiency is improved, and the production cost is reduced. And meanwhile, the content of residual engine oil or cutting fluid in the metal compression block can be reduced. When the high-power oil cylinder is used for compressing waste materials, oil or cutting fluid is extruded out, the oil or the cutting fluid is discharged through a gap between the second movable bin door and the side wall of the material pressing bin body, namely the oil collecting port, an oil collecting tank is designed below the second movable bin door, an oil well pump can be arranged, and the oil well pump is connected with the oil collecting tank through a pipeline to pump out the oil. Therefore, the powder cutting compressor solves the environment-friendly problems that waste materials of an existing processing plant occupy large storage space, waste of cutting fluid is large, the cutting fluid cannot be recycled, oil or the cutting fluid in the waste materials is prone to dripping on the ground, and consequently the waste materials are dirty, disordered and poor.

The present invention discloses a system and process for the comprehensive utilization of hydrogen within a cyclohexanone esterification process plant, including the comprehensive utilization of tail hydrogen emitted from a benzene selective hydrogenation unit, the hydrogen source and emitted hydrogen from a cyclohexyl acetate hydrogenation unit, the hydrogen source and emitted tail hydrogen from a cyclohexane hydrorefining unit, and by-product hydrogen from a cyclohexanol dehydrogenation reaction unit. A system for treating and utilizing hydrogen within the plant is invented. Taking into account the composition of each emitted hydrogen or by-product hydrogen, the system utilizes mature, conventional technologies for low-cost treatment of the emitted hydrogen or by-product hydrogen, rather than employing TSA and / or PSA methods. This system achieves cascaded utilization of hydrogen within the cyclohexanone plant, reduces the amount of discharged hydrogen processed and the loss of valuable materials, reduces the amount of new hydrogen added to the plant, and reduces the production cost of cyclohexanone esterification process, thus having industrial application value.

The present invention concerns a process for utilizing waste streams from an oxo synthesis plant by gasification and an oxo process plant comprising the necessary units for oxo synthesis and at least one gasifier G. The process comprises a conversion of a waste stream W1 purged from the alcohol upgrading unit ALUU and optionally also of a waste stream W2 purged from a hydroformylation reaction unit HRU. The conversion by a gasification process in at least one gasifier G results in synthesis gas which can then be utilized e.g., for as a feedstock for an oxo process or production of other chemicals in another chemical production plant.

Method (100) for classifying coatings (230) in a measuring tube (200), comprising: determining (110) a damping value D for at least one vibration mode of an oscillator with at least one measuring tube (200) of a Coriolis mass flow sensor for guiding a medium (220); determining (120) a modal stiffness value k for at least one vibration mode; and classifying (150) the coating (230) as a function of the damping value D and the stiffness value k.

The utility model is applicable to the technical field of plant empty capsule processing, and provides a demoulding device for plant empty capsule processing, which comprises a carrying table, support rods are symmetrically arranged on the top surface of the carrying table, a circular groove is formed in the top surface of the carrying table in a penetrating manner, a first template is arranged on the inner wall of the circular groove, and a second template is arranged on the inner wall of the first template. Second templates are symmetrically arranged on the side, facing the circle center side, of the first template, a fixing plate is arranged on the side, away from the first template, of each second template, guide assemblies are arranged on the top face and the bottom face of each fixing plate, an air bag is arranged on the side, away from the second template, of each fixing plate, and a connecting pipe is arranged in the middle of a circular groove in a penetrating mode; the bottom face of the connecting pipe is arranged in a sealed mode, the air bag is communicated with the connecting pipe, and the top of the connecting pipe is connected with a rubber pipe. According to the scheme, mold closing and demolding of the first mold plate and the second mold plate are completed by blowing and exhausting air into the air bag, operation is easy, the structure is simple, and use is greatly facilitated.

An actuator device for a process plant, such as a chemical, power, or food processing facility, includes a pneumatically operated control valve with an electrical actuator (e.g., I / P converter, solenoid valve, position controller, or drive) for performing a test function. At least one sensor verifies the test function and sends a signal describing the result. An electronic monitoring device, separate from the actuator, receives a trigger signal indicating when the test function starts and a functionally safe signal from the sensor. The device's electronic system monitors the relationship between the trigger and sensor signals to confirm correct operation.

The invention discloses an intelligent steel bar processing factory production management system, which relates to the field of constructional engineering and comprises a mobile terminal and a material management platform. The mobile terminal comprises a man-machine interaction module, an entry registration module, an exit registration module, an excess material registration module and an information identification module, and the material management platform comprises an entry storage area raw material management module, a processing area raw material management module, an excess material management module and a waste material management module. The invention provides an intelligent steel bar processing factory production management system, so as to solve the management problems of low error-tolerant rate, large tracing difficulty and the like in the operation process of a steel bar processing factory in the prior art, and achieve the purpose of improving the management and tracing capability of the steel bar processing factory production process.

A method for retrofitting a process plant into a flotation cell wherein the flotation cell comprises: a flotation tank (10) comprising a center (11), a periphery (12), a bottom (13) and side walls (14); a launder (2) and a launder lip (21); wherein the method comprises forming a retrofit flotation cell (1) by installing a process plant to the flotation cell wherein the process plant comprises at least one means for combining a gas stream and a slurry feed (100) to obtain a particle-bubble aggregate, followed by introducing the combined gas stream and slurry feed (100) into a tank (10), a slurry recycling circuit (3) is provided to the retrofit flotation cell (1), where the slurry recycling circuit (3) comprises a pump system.

The invention discloses a radioactive process plant structure, which comprises a plant main body and a radioactive corridor, the internal space of the plant main body is divided into a first subarea and a second subarea by a personnel channel, and the radioactive level of the first subarea is higher than that of the second subarea; the radioactive corridor comprises a first channel, a second channel and a wire passing channel, the first channel is arranged in the first subarea, the second channel is arranged in the second subarea, the wire passing channel penetrates through the personnel channel and is communicated with the first channel and the second channel, and the wire passing channel is used for a pipeline connecting equipment in the first subarea and equipment in the second subarea to penetrate through. According to the radioactive process plant structure, the number of pipelines penetrating through a personnel channel can be reduced, the situation that radiation protection boundaries are penetrated multiple times due to scattered arrangement in a personnel activity area is avoided, and therefore potential leakage points are reduced, and the protection difficulty and the radiation pollution risk are reduced.

This invention discloses a floating debris interception grid device for wastewater discharge outlets in broiler processing plants. The device includes a floating debris treatment unit, within which is an open channel downstream of the discharge outlet. A covering and cleaning device is installed on the open channel downstream of the discharge outlet, and the floating debris treatment unit is positioned directly below the covering and cleaning device. A water flow deceleration section is formed within the open channel downstream of the discharge outlet. This invention uses a double-layer grid, composed of staggered coarse and fine grids, to intercept floating debris of different particle sizes. A flow-measuring guide plate is installed in front of the grid to monitor the water flow in real time. When the water flow changes, a signal transmitter feeds back the flow signal to the control box, driving an angle adjustment component to adaptively adjust the angle of the grid frame, thereby dynamically adjusting the interception efficiency and effectively solving the problems of incomplete floating debris interception and leakage caused by water flow fluctuations.

A method for co-generating electricity in a process plant using feedwater, where the process plant is integrated with a thermal power generator, is provided. The method includes obtaining a pressurized stream of hot feedwater from a feedwater generation unit of the process plant; compressing the pressurized stream of hot feedwater by pumping and splitting the pressurized stream of hot feedwater to obtain a first stream of feedwater and a second stream of feedwater; routing the second stream of feedwater to the thermal power generator; cooling the second stream of feedwater against a process fluid that is used in the thermal power generator to generate a heat in the thermal power generator and to obtain a cooled second stream of feedwater; and co-generating the electricity, using the thermal power generator integrated with the process plant, using the heat.

A process and a process plant for production of a hydrocarbon product comprising low amounts of HPNA from a hydrocarbonaceous stream derived from a thermochemical decomposition of a solid renewable material.

A method for operating a process plant using a dynamic model of the process plant, the dynamic model being based on at least one of thermo fluidic correlations, thermo dynamic correlations, phenomenological correlations, and equations, and being based on geometry and / or topology of components of the process plant, the dynamic model receiving process parameters as input values, the dynamic model being adapted to represent a transition from one to another state of the process plant, wherein the dynamic model is used in an online mode, in which the dynamic model is used in parallel with the operation of the process plant, wherein signals from a control system of the process plant, the signals representing values of at least one first process parameter, are received and fed into the dynamic model.

The present application belongs to the field of digital twinning, and discloses a kind of digital twinning method of mineral pulp dehydration process, comprising the following steps: real-time acquisition and control of mineral pulp dehydration process equipment data;Industrial test database is constructed;Real-time transmission of virtual mapping model data is established and visualization is realized;Establishment of equipment geometric macroscopic model hosting platform;Digital visualization and regulation and control.The present application also discloses a kind of digital twinning system of mineral pulp dehydration process, comprising industrial test database construction unit, virtual mapping model establishment and data real-time transmission and visualization unit, establishment of equipment geometric macroscopic model hosting platform unit, visualization and regulation and control unit.The present application solves the problem of insufficient filter cake dehydration, poor effect or dehydration failure in the filter press dehydration process in the existing mineral processing plant.The present application monitors the state of mineral pulp dehydration process such as mineral pulp water by various sensors monitoring equipment in coal preparation plant at all times and adjusts each equipment in real time, so that the related pressure dehydration operation of coal preparation plant is optimized.

The utility model discloses a kind of anti-explosion fan for stone processing factory.Belongs to stone processing technical field, for the dust removal passive of existing anti-explosion fan, monitoring response lag and limited anti-explosion effect problem, the following technical scheme is proposed: fan main body includes shell, PLC controller and base, impeller and bearing are equipped in shell, shell side is equipped with air inlet, one end is equipped with air outlet, and both form gas flow channel in communication;First nozzle group is installed in the inner side wall of air inlet, second nozzle group is installed in the rear area of impeller, shell top end is equipped with blowing device, first, second nozzle group is connected with gas compression component through nozzle pipeline, and dust in channel is actively washed by high-pressure compressed gas, to prevent accumulation.

The utility model relates to a waste hydrogen recycling system, which mainly adopts the combined design of a process plant area, separation and purification equipment, a storage barrel and a furnace end, the process plant area is used for producing process tail gas, the process tail gas is separated and purified into hydrogen gas (H2) and nitrogen gas (N2) through the separation and purification equipment, and the storage barrel is used for storing the hydrogen gas (H2) and the nitrogen gas (N2). The hydrogen gas (H2) separated and purified by the separation and purification equipment is conveyed into the storage barrel, the natural gas conveying pipeline conveys a natural gas into the storage barrel, the natural gas and the hydrogen gas (H2) form a storage gas, and the storage gas of the storage barrel is conveyed to the furnace end through the storage gas conveying pipeline. The purified hydrogen (H2) is used as the gas for combustion of the furnace end, so that the waste hydrogen recycling efficiency is improved, and the application of recycling process tail gas is also realized.

A system, method (1400), and mobile mineral material processing plant for supporting (1410) a hanging bracket by a main frame of a mobile mineral material processing plant, including supporting (1210) a hanging bracket by a main frame or a processing device of a mobile mineral material processing plant (100); pivotably supporting (1220) a processing device support (320) by a remaining one of the main frame and the processing device; supporting (1440) a latch counterpart by the hanging bracket; supporting (1450) the processing device to the main frame by the processing device support, when the latch structure is in the latching configuration, through the latch structure, and the latch counterpart; and pivoting (1460) by a latching actuator configured the processing device support so that the processing device support carries the latch structure from the latching configuration to the releasing configuration allowing pivoting the processing device downwards.