46results about How to "Large liquid holding capacity" patented technology

The invention disclosed a kind of dreg oil hydrogenating technology on bubbling bed. The invention disperses the scattered water-soluble catalyst uniformly in the heavy dreg oil; the catalyst enters the bubbling bed reactor from the top part of the loading catalyst's bed; at the same time, the heavy dreg oil together with hydrogen enters the bubbling bed reactor from the below part of the reactor; hydrogenating the material under proper conditions; fractionating the reacted product to get gas, distillate and end oil. The scattered catalyst can reduce the amount of loading catalyst in the bubbling reactor so as to increase the liquid holdup of the reactor and increase its handling ability; the scattered catalyst has strong adsorbability, it can adsorb the smuggled fine catalyst powder from the rising air current and liquid. The fine powder settled on the loading catalyst bed so it's easier to separate the solid granules and the liquid.

The present invention relates to gas liquid conduction equipment-board tower. The board tower consists of several tower burls where lays tower board. The liquid is flowing along the board weir and distributing dentation board by board like a curtain. When the gas and liquid meet and react, it will become adverse current. The tower tray is arc and there are sawtooth upside weir and underside distributing dentation. The tower burl and tower board are made from metal, acid-resistant pottery that are corrode-resistant or package steel corrode-resistant. The present invention can prevent from separating out and jam of the gas and liquid. The equipment can provide conduction value and conduction area. It operates flexibly and resistance value is little.

The invention provides a white carbon black tail gas processing method. The method comprises the following steps: spraying white carbon black tail gas in a washing liquid in a plate type washing tower, wherein the plate type washing tower comprises tower plates and a tower body having an angle of 120-150DEG to each of the tower plates, and the surface of each of the tower plates is provided with holes; and separating the washed white carbon black tail gas from the used washing liquid. The invention also provides a washing tower. The washing tower comprises a tower body, a gas inlet, a gas phase outlet, a liquid phase inlet, a liquid phase outlet, a stirring kettle gas phase return port and tower plates, an angle between each of the tower plates and the tower body is 120-150DEG, and the surface of the tower plates is provided with the holes. The plate type washing tower is adopted in the invention, and the surface of each of the tower plates is provided with the holes, so white carbon black particles can be powerfully flushed by the washing liquid, thereby a problem that the washing tower is blocked by the white carbon black particles due to the aggregation of the white carbon black particles in the washing tower is avoided, and the white carbon black white carbon black tail gas is well dedusted in the washing process.

The invention provides a wet type static solid strip-shaped anode dust collecting plate. The strip-shaped anode dust collecting plate is characterized in that a pole plate is composed of solid strip-shaped bodies, the strip-shaped bodies are horizontally arranged and are woven through ropes or connected by a single layer of plywood, necessary gaps are formed among the strip-shaped bodies, and the sizes of the gaps are determined by liquid holdup, surface tension, liquid film thickness and solid-liquid characteristics. The strip-shaped anode dust collecting plate provided by the invention has the advantages that a horizontal water film is uniform by virtue of the capillary phenomena of the gaps; the gaps internally contain liquid to increase the liquid holdup of the pole plate so as to keep a liquid film stable; the gaps can penetrate through the two sides of the pole plate and can transmit the pressure fluctuation of airflow on the two sides of the pole plate, then the water film is driven to vibrate, and thus dust is prevented from precipitating on the pole plate.

The invention discloses an aerosol collection and separation device, which comprises a separator, an exhaust hood and a liquid collection cone, wherein the separator is a cylinder, and comprises a barrel, a screw shaft, a screw blade, a baffle, an air inlet, liquid collection holes and a lower flange; the exhaust hood comprises a cone and an exhaust outlet; the liquid collection cone comprises an inverted cone, a liquid outlet and an upper flange; the exhaust hood, the separator and the liquid collection cone are connected in a vertical penetration manner; the exhaust hood is connected with the separator in a welding manner; the liquid collection cone is connected with the separator through the upper flange. The invention further provides a method for performing gas-liquid collection and separation by utilizing the aerosol collection and separation device. The device and the method have the characteristics of high separation speed, high separation efficiency, high liquid holdup, low pressure loss, low scaling and blocking rate and firm structure.

The invention provides a system and method for treating industrial waste liquid based on carrier gas extraction and low-temperature mass transfer. The system comprises an absorber, wherein the absorber is connected with a condenser, the condenser is connected with a waste liquid circulating pump, and the waste liquid circulating pump is connected with a liquid distributor of the absorber and a heater in the absorber; the system also comprises an analyzer, wherein the analyzer is connected with an evaporator, the evaporator is connected with a clean water pump, and the clean water pump is connected with a liquid distributor of the analyzer and a cooler in analyzer; an air outlet of the absorber is connected with an air inlet of the analyzer; an air outlet of the analyzer is connected with an air inlet of the absorber; and an air channel between the air outlet of the analyzer and the air inlet of the absorber is provided with a circulating fan and an adsorber. According to the invention,air can be utilized as a mass transfer medium to realize water migration in industrial waste liquid under the condition of a low temperature, and the system operates under normal pressure and is suitable for treatment of corrosive liquid which is crystallized easily and scaled easily, so that a series of pretreatment procedures such as precipitation, oil removal, pH value adjustment and the likerequired by conventional waste liquid treatment are greatly reduced.

The invention discloses a design method of a fluid curtain bed gas-liquid contact reaction device, when designing the gas-liquid reaction device, the known quantities are: the liquid/gas ratio of the device (F1/Fg), the amount of flue gas to be treated (Fg), the scale of the reaction device (cross-sectional dimension axb), parameters needing to be solved are all the parameters of an arrangement method and an apparatus of uniform fluid curtain of a liquid phase jet apparatus, which include the number of nozzles (n1xn2), the nozzle diameter dn, the space s between nozzles, the diameter of a jet main pipe d(tube), and the effective absorption height hj of the reaction device when meeting the requirement of reaction efficiency. A solving method bases on the experimental results of the unit, three empirical formulas are introduced, then the algebraic solution is adopted, and the device has advantages of easy implementation and high accuracy.

The invention relates to a large-scale pressure carbonization tower which is characterized in that its bamboo rain-hat is composed of a base plate, a top cover and several rib plates; the rib plate is central symmetric and fixed on the base plate; the top cover is fixed on the rib plates; a through hole is arranged at the center of the base plate; the edge of the base plate equipped with the through hole is a zigzag edge; 24 bamboo rain-hats are arranged inside the upper portion of the tower; the opening rate of the first bamboo rain-hat to the 21st bamboo rain-hat from the top to the bottom is 9.8%, and the opening rate of the 22nd bamboo rain-hat to the 24th bamboo rain-hat is 12.8%; one bamboo rain-hat with the opening rate being 13.3% is arranged inside a central conical tower; an airintake is arranged on the central conical tower body; the base plates of the bamboo rain-hats at the bottom are all equipped with appropriate opening rate; and the second and seventh tower sections are respectively provided with two air intakes. According to the invention, ventilation volume and liquid holdup of each portion of the carbonization tower are enlarged; the reaction time and crystal growth time are prolonged; carbonization tower production power and carbonization conversion rate are raised; sodium bicarbonate crystalline particles become large and many unfavorable factors of original carbonization towers are improved.

The invention discloses a device and a method for preparing propylene oxide. The device sequentially comprises a bubble tower slurry column reactor, a settling separation unit and a stirred tank slurry column reactor. According to the method, the bubble tower slurry column reactor and the stirred tank slurry column reactor are combined for epoxidation reaction under the reaction conditions of reaction pressure of 0.1 to 0.6MPa and reaction temperature of 40 to 70 DEG C. Local hot spots generated by strong reaction heat in a reaction process can be effectively avoided, and generation of a byproduct by back mixing of a liquid phase can also be effectively avoided. The advantages of high hydrogen peroxide conversion rate (more than or equal to 99 percent), high hydrogen peroxide effective utilization rate (more than or equal to 95 percent) and high propylene oxide product selectivity (more than or equal to 98 percent) are achieved.

A gas-liquid contact reactor with liquid curtain bed is composed of a slurry pool with slurry inlet and outlet, a desulfurizing tower consisting of a forward-current tower and a counter-current two, whose bottoms have more than one row of nozzles and are communicated with each other, a draught blower connected via valve to the fume outlet of counter-current tower, and a circulating slurry tank communicated via regulating valve and circulating pump to said nozzles.

The present invention provides a reaction assembly and a reactor having the same; the reaction assembly comprises: an upper reaction plate; a lower reaction plate stacked below the upper reaction plate; inlet and outlet runners; a reaction area, which is arranged between the upper reaction plate and the lower reaction plate and is communicated with the inlet flow channel and the outlet flow channel, wherein the reaction area comprises one or more reaction units, and each reaction unit sequentially comprises a first mixing buffer area, a mixing reaction flow channel and a second mixing buffer area; the first mixing buffer area is communicated with the second mixing buffer area through a mixing reaction flow channel, the mixing reaction flow channel comprises a first flow channel groove formed in the upper reaction plate and a second flow channel groove formed in the lower reaction plate, the first flow channel groove and the second flow channel groove are arranged in a crossed mode, andat least one of the first runner groove and the second runner groove is a bent runner groove. According to the technical scheme, the problem of low mass and heat transfer efficiency caused by non-uniform mixing of fluid in a continuous reactor in related technologies is effectively solved.

The invention relates to a smoke gas desulfurization dust removal device by turbulent ball type turbocharging acceleration, which belongs to the technical field of gas purification and comprises a casing, a pipeline and a smoke shielding cover, wherein the pipeline is fixedly arranged in the center of the pipeline, and the lower end of the casing is connected with the smoke shielding cover. The dust removal device is characterized by also comprising upper and lower porous end plates, a turbulent ball and a plurality of blades, wherein the upper and lower porous end plates are respectively arranged at the upper end and the middle part of the casing, the turbulent ball is filled in the space between the upper and lower porous end plates of the casing, the blades are arranged between a porous separation plate and the pipeline, the upper end of each blade is connected with the inner wall of the casing, and the lower end of each blade is connected with the outer wall. The turbulent ball type turbocharging acceleration smoke gas desulfurization dust removal device has the advantages that the full gas and liquid contact can be realized under the conditions of the shortest time, the smallest space and the lowest liquid liquid-gas ratio, the high-speed mass transfer is carried out, and the high dust removal and desulfurization efficiency can be improved at the minimum energy consumption.

The invention discloses an environmentally friendly liquid storage tank for exterior wall coating material and relates to the technical field of colorful coatings. The environmentally friendly liquid storage tank for the exterior wall coating material comprises a discharging tube, a discharging tube non-return diaphragm clack, a collodion ball, a shell, a bamboo elastic support A, a bamboo elastic support B, an air inlet hole sealing piece, an air inlet tube, an air inlet tube non-return diaphragm, a liquid reducing gasket and a liquid storage tank body. The environmentally friendly liquid storage tank is characterized in that the discharging tube non-return diaphragm clack is made of rubber and plastic material. The bottom of the discharging tube is connected with the discharging tube non-return diaphragm clack which is an isosceles triangle clack and is in a regular pyramid shape, the bottom of the isosceles triangle is connected with the inner wall of the bottom of the discharging tube, an air inlet hole is connected with one side of the top of the shell, the air inlet hole sealing piece is arranged on the air inlet tube, and the collodion ball is installed at the tail end of the top of the discharging tube. The environmentally friendly liquid storage tank has the advantages of being ecologically environmentally friendly, degradable and free of pollution.