9results about How to "Simple facilities" patented technology

The invention discloses a plastic product prepared from waste mulching films and a preparation method of the plastic product, relates to the field of recycling of mulching films, and solves the problems that in the prior art, when the waste mulching films are recycled, after the mulching films are crushed, mulching film particles need to be cleaned with water, so that a large amount of water resources are consumed in the production process, and the production cost is reduced. And a certain amount of sewage can be generated. According to the invention, the recycled waste plastic is crushed without cleaning, the linear (longitudinal) mulching film raw material low density polyethylene (LDPE) is used as a cross-linking agent, and a reinforcing material is added to improve the environmental adaptability such as compression resistance, freezing resistance, fracture resistance and aging resistance of the mulching film; the mulching film impurity removal device can be processed into energy-saving and environment-friendly novel building materials such as plastic footpath bricks, road barriers, agricultural canal profiles and trays for transportation and cargo carrying of the building materials, the requirement for impurities entrained by an agricultural film is not strict, and in the mulching film impurity removal process, water cleaning and manual impurity removal procedures are not needed, so that water resources are saved.

The utility model relates to a double-hearth shaft kiln with an auxiliary nozzle. The auxiliary nozzle comprises a bottom nozzle and a channel nozzle, the two bottom nozzles are installed on supporting seats arranged in the centers of the bottoms of the two kiln chambers respectively, and spraying openings of the bottom nozzles extend to the bottom of the roasting zone. The multiple channel nozzles are installed on the top and the side portion of the center position of the connecting channel respectively. The working mode that a traditional double-hearth shaft kiln carries out full parallel flow roasting in a roasting kiln hearth and carries out countercurrent heat storage in a heat storage kiln hearth, namely the working mode of'full parallel flow roasting and countercurrent heat storage 'is changed into the working mode that parallel flow roasting is carried out in the roasting kiln hearth and countercurrent roasting and heat storage are carried out in the heat storage kiln hearth. The two-way roasting working mode of parallel-flow roasting, counter-flow roasting and heat storage is adopted, cooling air participates in combustion supporting, then a low-temperature airflow area where roasting belt materials of a heat storage kiln chamber are cooled is eliminated from the source, and the productivity and the product quality are improved.

This invention relates to the field of reservoir development technology and is a co-injection and production tool for CCUS production wells. It includes a tubing string and a cable packer connected sequentially from top to bottom. The cable packer includes an upper connector, a connecting sleeve, an inner central tube, an anchoring assembly, and a lower connector. This invention has a reasonable and compact structure. The cable packer of this application has gas flow channels and liquid flow channels, enabling physical separation and directional flow of gas-liquid two-phase flows under high pressure, thereby achieving co-injection and production and realizing true "in-well circulation": through "downhole separation and co-injection," the separation, reinjection, and storage of carbon dioxide are compressed into a single well, greatly simplifying surface facilities, reducing investment and operating costs, and significantly improving carbon storage efficiency and speed. Through independent gas flow channels and liquid flow channels, efficient separation of gas-liquid two-phase flows can be achieved under high pressure, solving the technical bottleneck of co-injection and production.

The utility model discloses standardized square tube type precast concrete member forming equipment which comprises an outer formwork, inner formworks, a bottom formwork table, inner angle plates, jacks, an attached vibrator, a locking device, a heating pipeline and a control system, a plurality of inner angle plates are arranged at the four corners of the top of the bottom formwork table, and the inner formworks are connected to the two sides of the inner angle plates. An inner template is arranged on the outer side of the inner corner plate, an outer template is arranged on the outer side of the inner template, locking devices are installed on the top of the inner corner plate and the top of a rib of the inner template, the locking devices are closed or opened so that the outer template and the inner template can be firmly connected, and the bottom of the inner side of the inner template and the bottom of the outer side of the outer template are connected with a bottom template table through jacks. The ribs of the inner template and the outer template are respectively provided with a plurality of attached vibrators. The device has the characteristics of high equipment integration level, high production efficiency, flexible site arrangement, high automation degree and the like, and can greatly improve the production efficiency of the square tube type precast concrete member, reduce the forming labor and lower the production cost of the precast concrete member.

An object of the present invention is to provide a method for highly purifying a condensable product in a membrane reactor, which can highly purify the condensable product by improving the substance amount ratio of one condensable product in the largest amount among two or more condensable products that have permeated to the permeation side of the membrane reactor. The method for highly purifying a condensable product in a membrane reactor in the present invention includes: a synthesis reaction step of introducing a raw material gas containing at least one of carbon monoxide gas and carbon dioxide gas, and hydrogen gas into a first space of a membrane reactor including a separation membrane, the first space being on a non-permeation side and filled with a synthesis catalyst, and a second space being on a permeation side, to synthesize two or more condensable products; a membrane separation step of causing the condensable products generated in the first space in the synthesis reaction step to permeate into the second space through the separation membrane for separating; and a decomposition reaction step of decomposing the condensable products that have permeated into the second space, and improving the substance amount ratio of one condensable product in the largest amount among the condensable products that have permeated.

This utility model discloses an automatic booster device for oil and gas mixed transportation, including an inlet manifold and a gate valve for the inlet manifold. A first mixed transportation pump group and a second mixed transportation pump group are connected in parallel downstream of the inlet manifold. The first and second mixed transportation pump groups are connected to a common outlet manifold. Downstream of the outlet manifold, an electric heater and a gas-liquid flow meter are connected via pipelines. The first and second mixed transportation pump groups are also connected to a sewage manifold. The second mixed transportation pump group is connected to an emergency tank inlet pump manifold, which is connected to an emergency tank. This device effectively simplifies the equipment and facilities within the station, while significantly reducing station operating energy consumption and safety risks, playing a positive role in promoting the efficient and environmentally friendly development of oil and gas mixed transportation in oilfield surface engineering.

Provided are a pressure design method capable of reducing the thickness, weight and cost of a liquefied gas storage tank; a manufacturing method of a liquefied gas storage tank system; and a liquefied gas storage tank system obtained thereby.

The application provides a treatment method of epitaxial high-concentration arsenic-containing wastewater, comprising the following steps: adding calcium hypochlorite into the epitaxial high-concentration arsenic-containing wastewater, and stirring and aerating; then adding ferric chloride, and stirring and aerating; then using lime milk solution to adjust the pH of the system to 6.5-7, and continuing to stir and aerate; performing pressure filtration to obtain primary arsenic-containing wastewater; adding calcium chloride solution and ferric chloride solution into the primary arsenic-containing wastewater obtained by pressure filtration, using lime milk solution to adjust the pH of the system to 6.5-7, and then standing, taking supernatant to test, discharging the supernatant after reaching the standard; if the supernatant does not reach the standard, continuously adding calcium chloride solution and ferric chloride solution for cyclic treatment until the supernatant reaches the standard and is discharged. The method has the advantages of small reagent dosage, low cost, high arsenic removal rate, high stability of arsenic-containing hazardous waste and the like, and after being treated by the method, the arsenic content is lower than 0.3 mg / L, which meets the national discharge standard.

The natural aeration method and device for protecting the valve core of a conical valve belong to the field of high-end water conservancy equipment. The natural aeration method for protecting the valve core of a conical valve comprises the following steps: arranging an annular aeration sill; arranging an aeration hole; the size of the aeration sill is set according to the diameter of the pipeline; the aeration hole is connected with aeration pipes at different levels. The conical valve with the valve core protected by natural aeration comprises the following parts: an aeration sill is arranged on the valve core of the conical valve; the length of the aeration sill is 1 / 4-1 / 6 of the nominal diameter of the valve; the height of the aeration sill is 1 / 10 of the length of the aeration sill; under the arrangement condition, the influence of the aeration sill on the flow capacity of the valve is less than 10%; the beneficial effect of the present application is that the aeration water flow can effectively cover the surface of the valve core after entering the valve body, including the water stop position of the valve seat, and the vibration amount of the valve is significantly reduced.