14results about How to "Increase capture rate" patented technology

The utility model relates to dust removal board technical field, and disclose a kind of fixed structure of dust removal board for flue gas purification, including filter box, vibration plate is movably installed in the inside of filter box, installation component is fixedly installed in vibration plate bottom, the installation component contains the limiting frame fixedly installed in vibration plate bottom.The utility model compares with traditional fixed structure, the fixed structure is through positioning block one, positioning column and spring, it is convenient to limit and fix dust removal board, at the same time, through vibration motor drives dust removal board whole to vibrate, through dust removal board vibration design driven by vibration motor, effectively improve the dust removal efficiency, through the waste gas particle of adhering and shaking off, prevent accumulation and enhance particle collision, improve the capture probability, at the same time, vibration promotes particle more easily to fall off to filter box bottom, optimization collection process, reduce escape, improve collection rate.

This application discloses a calcium-based carbon dioxide adsorbent, its preparation method, and its application, relating to the field of adsorbent technology. The preparation method of the calcium-based carbon dioxide adsorbent includes the following steps: obtaining calcium hydroxide, an unsaturated organic compound, magnesium oxide, and aluminum oxide; mixing the calcium hydroxide, unsaturated organic compound, magnesium oxide, and aluminum oxide and adding them to a solvent; heating and stirring to obtain a mixed suspension, wherein the unsaturated organic compound is an organic acid or an organic aldehyde; drying the mixed suspension to obtain a dried powder; subjecting the dried powder to medium-temperature combustion to obtain a calcium-based carbon dioxide adsorbent precursor, wherein the medium-temperature combustion temperature is 400–600°C; and subjecting the calcium-based carbon dioxide adsorbent precursor to a first high-temperature calcination to obtain the calcium-based carbon dioxide adsorbent, wherein the first high-temperature calcination temperature is 700–1000°C. This application solves the technical problem of poor adsorption performance of existing calcium-based carbon dioxide adsorbents.

The invention discloses a raw material bin self-exhausting dust suppression device, and relates to the technical field of dust suppression devices.The raw material bin self-exhausting dust suppression device comprises a material bin, the material bin is arranged on the ground, a hole is formed in the upper wall face of the material bin, and a dust collection chamber is fixedly installed on the hole. A plurality of metal square plates are arranged in parallel in a manner that the lengths of the metal square plates are gradually increased, and a labyrinth channel with a complex structure is formed in the dust suppression chamber. When dust-containing airflow passes through from bottom to top, the direction and the speed must be changed for multiple times, the airflow passes through the dense round hole arrays on the different metal square plates in sequence, and the probability of collision and condensation between dust particles and the wall surfaces of the metal plates and between the particles is greatly increased through the multi-stage and gradient blocking structure. Compared with a traditional structure with a single aperture or a simple baffle plate, the dust collector has the advantages that the primary dust separation efficiency is remarkably improved, and the load of a rear-end filtering assembly is reduced.

The utility model relates to an intelligent insect condition monitoring device which is characterized by comprising a top cover, a supporting column and an intelligent monitoring box which are sequentially connected from top to bottom, a trap lamp and a lampshade are arranged between the top cover and the intelligent monitoring box; an automatic insect trap is arranged in the intelligent monitoring box; the automatic insect trap comprises an insect sliding funnel arranged at the top of the intelligent monitoring box and a low-pressure processing bin arranged in the intelligent monitoring box; an air inlet section and an air outlet section are respectively arranged on the left and right sides of the low-pressure treatment bin; an outlet in the bottom of the insect sliding funnel is connected to the air inlet section through a conveying pipe; the conveying pipe is provided with a bladeless fan; when the intelligent insect situation monitoring device operates, airflow blown out of the bladeless fan is blown into the low-pressure treatment bin in an obliquely upward mode along the conveying pipe, and after penetrating through the middle of the low-pressure treatment bin and the airflow filtering module, the airflow is pumped away from the draught fan and discharged out of the low-pressure treatment bin. The technical problems that an existing intelligent pest situation monitoring device is poor in sorting effect on pests of different body types, and the pest bodies are prone to stacking and covering are solved.

The utility model provides a cyclone separator. The cyclone separator comprises a cylinder body, a gas inlet pipe, a gas outlet pipe and a gas strengthening assembly, the cylinder is provided with a top cover and a bottom cover. An air inlet is formed in the side face of the cylinder. The gas inlet pipe is communicated with the gas inlet, the radial direction of the gas inlet pipe is perpendicular to the radial direction of the cylinder, and the gas inlet pipe is used for introducing gas into the cylinder; a first pipe opening of the air outlet pipe is formed in the barrel, a second pipe opening of the air outlet pipe penetrates out of the barrel from the bottom cover and is used for being connected with a vacuum pump, and a gap is formed between the first pipe opening and the top cover; the gas strengthening assembly is arranged in the barrel and used for strengthening the rotation momentum of gas moving from the gas inlet to the first pipe opening. The cyclone separator has a high dust grabbing rate, the particulate matter discharge amount is reduced conveniently, and the influence on the environment and follow-up processes is reduced. Meanwhile, when the cyclone separator is used as pretreatment equipment, the load of subsequent equipment can be reduced, and the service life of the cyclone separator is prolonged.

This utility model discloses a volatile solvent exhaust gas collection tank for a vacuum pump and its vacuum pump assembly. The key technical features include a tank body with an inlet and an outlet. The outlet is located at the end of the tank body furthest from the inlet. A cooling assembly is provided on the tank body, including a first cooling pipe located inside the tank body. The exhaust gas entering the tank body is cooled through the first cooling pipe, causing it to condense into liquid and be discharged through a drain outlet. The outlet is located at the end of the tank body furthest from the inlet, allowing the volatile solvent to flow through most of the tank body, thus improving the capture rate of the volatile solvent. The outlet achieves pressure balance inside and outside the tank body. The entire tank system is small in size and can be mounted on a frame together with the vacuum pump for easy movement.

The application provides a chemical chain reaction hydrogen production system and method. The system comprises a hydrocarbon conversion syngas reactor, a first gas-solid separation device, a syngas oxidation reactor, a second gas-solid separation device, a hydrogen production reactor and a third gas-solid separation device; the product outlet of the hydrocarbon conversion syngas reactor is connected with the feed inlet of the first gas-solid separation device, the gas phase product outlet of the first gas-solid separation device is connected with the gas feed inlet of the syngas oxidation reactor, the gas phase product outlet of the syngas oxidation reactor is connected with the feed inlet of the second gas-solid separation device, the solid phase product outlet of the syngas oxidation reactor is connected with the solid feed inlet of the hydrogen production reactor, and the product outlet of the hydrogen production reactor is connected with the feed inlet of the third gas-solid separation device. The technical scheme provided by the application can realize continuous methane efficient conversion, carbon dioxide capture and high hydrogen production rate and hydrogen purity.

This invention discloses a carbon dioxide adsorbent material that is easy to dissociate and regenerate. Its main effective phase component is a graphite-like carbon nitride / Al2O3 / CuO phase. This invention has the following advantages: 1. It improves the capture rate of low-concentration carbon dioxide indoors, reducing the time required for capture and purification; 2. It reduces the energy consumption and indirect carbon emissions caused by the adsorbent dissociation and regeneration process; 3. It increases the capture-regeneration cycle frequency of the carbon dioxide adsorbent, achieving long-term indoor carbon dioxide purification.

The present application belongs to the technical field of bulletproof material test and evaluation, and relates to a target frame for fragment scattering angle test and a test method. The target frame comprises a target plate target frame, a back effect plate target frame, a connecting screw rod and a fixing device. During the test, the target plate is fixed on the target plate target frame by using a clamping device, and then the back effect plate is fixed on the back effect plate target frame and placed behind the target plate target frame by using the fixing device, the two are connected by using the connecting screw rod, and the target plate target frame and the back effect plate target frame are both fixed on the test table by using the fixing device. The test method measures the fragment scattering radius, confirms the number of perforations, and calculates the fragment scattering angle through a formula. The present application realizes the controllable distance between the target plate and the back effect plate, and realizes the adjustable gap of the target plate itself through the double target plate target frame. The present application has the advantages of simple operation, convenient disassembly and assembly, lightness, easy carrying, improved test efficiency and the like, and can measure the fragment scattering angle of 14.5 mm armor-piercing incendiary bomb after penetrating the target plate under the conditions of 100 m distance and 0° normal angle.

The utility model provides a kind of rope head catcher and pneumatic conveying device, belong to automatic unpacking technical field, including tank body and screening assembly.The upper portion of tank body is provided with feed inlet, and the lower portion of tank body is provided with discharge port, feed inlet and discharge port are respectively used to connect pneumatic conveying pipeline, to form the pneumatic transmission path from top to bottom in the inner chamber of tank body;Screening assembly is set in the inner chamber of tank body and is located between feed inlet and discharge port, and screening assembly includes first screen and second screen, first screen is inclined along first direction from top to bottom, and second screen is inclined along second direction from top to bottom, and first direction and second direction are opposite;Material is along pneumatic transmission path and passes through screening assembly, to screen rope head or chippings by first screen and second screen.The utility model provides a kind of rope head catcher, improves the capture rate of rope head and chippings, improves impurity screening efficiency, guarantees the continuity and stability of production, and reduces maintenance cost.

The application belongs to the technical field of carbon dioxide capture, and discloses a high-energy-efficiency intelligent electrochemical carbon capture system, a capture unit, two closed loops for alternately operating, and a closed loop for capturing and releasing carbon dioxide, wherein the closed loop is composed of a capacitive adsorption device, an inductor and a metal oxide semiconductor field effect transistor; an energy storage and purification unit is used for purifying and storing energy of the captured carbon dioxide in the capture unit by means of a double-layer capacitor voltage transformation separation device, and the electric energy discharged from one capture unit is stored for supplying power to the closed loop of another capture unit; the double-layer capacitor voltage transformation separation device captures carbon dioxide during the energy storage process; and an energy monitoring unit is used for monitoring the alternately operating precise control of the capacitive adsorption device in the capture unit, realizing stable operation monitoring of the capture process, and supplementing the energy of the capacitive working loop in the energy storage and purification unit.

The utility model relates to a kind of multistage low-temperature condensation high-vacuum solvent trapping systems, including high-vacuum cavity, multistage gradient cold trap system, high-vacuum unit and intelligent control system, high-vacuum cavity is equipped with sample container multilayer support, multiple rotary trays are equipped on sample container multilayer support, material container is equipped on rotary tray, the below of rotary tray is equipped with multiple heaters of asymmetric distribution, heater is connected with intelligent control system respectively;Multistage gradient cold trap system includes at least two levels of series connection setting cold trap assembly, the working temperature of each level cold trap is gradually reduced from the cold trap assembly of the side close to high-vacuum cavity to the cold trap assembly of the side close to high-vacuum unit;Each level cold trap is connected with matched refrigerator unit, and the bottom of each level cold trap is connected with matched solvent tank.The utility model realizes efficient solvent trapping and recovery, significantly improves trapping efficiency, protects sample activity, and improves automation degree.

The invention discloses a method for extracting vanadium from stone coal and a method for fully recycling stone coal, and the method for extracting vanadium from stone coal comprises the following steps: adding a mixture of stone coal, a slag former and a reducing agent into an electrothermal furnace, heating by using an electrode, and melting and reducing in the electrothermal furnace to obtain molten phosphorus-vanadium iron; the smelting temperature in the electric heating furnace ranges from 1450 DEG C to 1700 DEG C; the value of CaO / SiO2 in the mixture is 0.1 to 1.5. According to the method, the defects of long flow and low vanadium recovery rate of a roasting technology and a wet process technology adopted in the prior art are overcome; the method has the effects of improving the recovery rate of vanadium and phosphorus and improving the treatment efficiency of the stone coal, can effectively realize full-resource utilization of the stone coal, and does not produce other solid wastes.

The utility model discloses a dynamic blowing and sucking type oil smoke exhaust device which comprises an air curtain air supply mechanism, a cambered surface type smoke exhaust hood and a cooking bench, a heating area is arranged at the top of the cooking bench; the cambered surface type exhaust hood is arranged behind the cooking bench; the air curtain air supply mechanism comprises an air blower, a flexible gradually-expanding air supply pipe and a strip-shaped air opening, the two ends of the flexible gradually-expanding air supply pipe are connected with the air blower and the strip-shaped air opening respectively, and the strip-shaped air opening is located in front of the cooking bench and faces the cambered surface type exhaust hood. A wrapping area is formed in a lampblack generation area, lampblack diffusion is prevented, and the lampblack trapping rate is improved.