37results about How to "To achieve the purpose of decontamination" patented technology

The invention relates to a peelable radionuclide decontamination agent and a preparation and utilization method thereof. The peelable radionuclide decontamination agent is prepared from, by weight, 5-8 parts of an organic functional component, 25-30 parts of a foam stabilizer and 18-22 parts of a coalescing agent. The utilization method includes steps: S1, wet decontamination agent preparation; S2, film formation and decontamination; S3, drying and film peeling. The peelable radionuclide decontamination agent has advantages of low pollution, high universality, easiness in waste treatment and low cost.

The invention discloses an automatic overturning and beating type pipeline dredging device based on telescopic slide rails. The automatic overturning and beating type pipeline dredging device is characterized by comprising telescopic slide rail devices (1) symmetrically arranged on the left side wall and the right side wall of a pipeline, and fixing water blocking door devices (3) symmetrically fixed to the two telescopic slide rail devices (1) through pins. The fixing water blocking door devices (3) are perpendicular to the telescopic slide rail devices (1), a water blocking door (5) is movably installed between the two fixing water blocking door devices (3) through a rotating shaft (4), and the rotating shaft (4) is provided with a cross rod (6) used for controlling the opening and closing angle of the water blocking door (5). The automatic overturning and beating type pipeline dredging device based on the telescopic slide rails is simple in structure, low in manufacturing cost, convenient to manage, low in running and maintaining cost, environmentally friendly, thorough in dredging and capable of effectively avoiding pipeline blockage, the waste water energy is fully utilized, and energy is saved.

The invention discloses an environment-friendly nuclear wastewater treatment system, and belongs to the technical field of nuclear waste treatment. The system comprises an evaporation tank and a heating system used for heating the evaporation tank; the evaporation tank is provided with a wastewater injection port, a concentrated solution discharge port and a secondary steam discharge port; waste water injected into the evaporation tank body is heated by the heating system and then is discharged from the secondary steam outlet and the concentrated solution outlet, the secondary steam outlet is positioned at the top of the evaporation tank body, and an entrainment removing device is arranged at the upper part of the evaporation tank body; the entrainment removing device comprises a plurality of cylindrical defoaming units which are connected in an array mode, each cylindrical defoaming unit comprises a vertically-communicated cylinder, and an inlet of each cylinder is smaller than an outlet, so that the middle of each cylinder is in a bundling shape. The system disclosed by the invention can effectively remove entrainment in secondary steam, reduce residues of radioactive elements in wastewater and improve the decontamination efficiency.

The invention discloses a realization method of anti-interference technology based on touch-screen. The method comprises following steps: A (n) data acquired from an ADC system is established into a two dimensional coordinate system, wherein X axis represents the value of ADC, Y axis represents the data sequence number of ADC, and A (n) is saved in an RAM; when screening touching operation occurs, a variable B (n) acquired from the ADC system is saved in the two dimensional coordinate system, a touch-screen variable [delta] C is calculated through the formula: [delta] C = A (n) - B (n), time events are called, and a time constant is set to be t; when time events are triggered, a variable B (n+1) is acquired by the ADC system again, and when B (n+1) = B (n), B (n) is assigned to the A (n), otherwise, time events are over; and an environment interference constant is set to be v, and a touch-screen variable T is calculated through the formula: T = [delta] C - v, wherein when T > 0, the screening touching operation is effective.

The invention discloses a bath towel, the composition of the bath towel and a preparation method thereof. The corners of the first frosted layer and the second frosted layer are wound with reinforced viscose; the first frosted layer and the second frosted layer are composed of warp yarns, weft yarns, reinforcing yarns A and reinforcing yarns B, and the warp yarns and weft yarns are perpendicular to each other , the angle between the warp yarn and the reinforcing yarn A is 45°, the raw bamboo fiber has the characteristics of good air permeability, instant water absorption, strong wear resistance and good dyeability, natural antibacterial, antibacterial, mite removal, Anti-odor and anti-ultraviolet functions, moisture absorption and breathability, antibacterial and antibacterial, warm in winter and cool in summer, green and environmental protection, etc., not only has excellent warmth retention, but also soft and skin-friendly, which improves the wearing comfort of wool fabrics. The sewing method enhances the firmness of the sewing.

The invention discloses a sanitary wastewater treatment system used for a train, comprising a lavatory and a flushing tank arranged above the lavatory and connected with the lavatory by a connecting pipe, wherein a wastewater treatment tank is communicated to the bottom of the lavatory by a wastewater pipe, a primary treatment mechanism is arranged in the wastewater treatment tank, a water distribution pipe communicated with a deodorizing and decoloring mechanism is arranged at the bottom of the primary treatment mechanism, the deodorizing and decoloring mechanism comprises a deodorizing and decoloring cabin, a carrying plate with holes is arranged in the deodorizing and decoloring cabin and located above the water distribution pipe, a filter material layer is arranged on the carrying plate, a filler cabin used for placing filler is arranged above the filter material layer, a biological film is arranged at the top of the filler cabin, an aeration mechanism is arranged in the deodorizing and decoloring cabin, and a drain pipe communicated with the flushing tank is arranged in the deodorizing and decoloring cabin. The sanitary wastewater treatment system disclosed by the invention can treat wastewater of a lavatory on the train, so as to keep the environment along the railway clean, and meanwhile achieve the aim of repeated utilization of water resource.

The invention relates to the field of machines, and particularly discloses a double-stator single-rotor screw motor consubstantial pump, comprising a tubular outer stator with inner spiral and a rotor arranged in the outer stator, wherein the rotor is internally provided with an inner stator with outer spiral; the outer surface of the rotor is provided with outer spiral and the inner surface thereof is provided with inner spiral, wherein the ratio of the spiral head numbers on the contact surface of the outer stator to the rotor is N:N+1, the ratio of the spiral head numbers on the contact surface of the rotor to the inner stator is N:N-1 and N is more than or equal to 2. The scheme uses a spiral channel between the rotor and the inner stator to form hydraulic power output, uses a spiral channel between the rotor and the outer stator to form a liquid absorbing loop, thus leading the double-stator single-rotor screw motor consubstantial pump to have functions of power output and liquidabsorption simultaneously, and finishes two types of operation by one time. The scheme has better sand prevention capability and stronger adaptability for sand, wax, gas, water and scale contained information fluid, thus being capable of reducing the frequency of maintenance and repair and leading the development cost of an oil field to be greatly reduced.

The invention provides a method for automatically treating high-concentration toxic organics in soil or water, which comprises the following steps that: (1) a certain number of pollutants to be treated are added into a reactor, wherein the quantity of the pollutants accounts for 1 / 4-1 / 2 of the effective volume of the reactor, the reactor is rotated, a potassium ferrate oxidant is continuously added into the reactor, the pH value of the system is adjusted to 7.0-9.0 by 2 percent of sulfuric acid, the reactor degrades the pollutants under rotating and mixing, and the content of the pollutants is detected; and (2) after an oxidizing reaction is completed, a product is neutralized by 2 percent of sulfuric acid. The method for treating soil and water point sources polluted by toxic organics can achieve a good removing effect in a short time so as to effectively degrade toxic pollutants and eliminate toxicity harms in time, and secondary pollution is reduced to the maximum extent. The method can be used for fast treating soil / water point source pollution caused by sudden pollution accidents due to the leakage of toxic organic chemicals.

The invention belongs to the technical field of nuclear pollution prevention and control, and relates to a graphite dust collecting device for a ball bed high-temperature gas-cooled reactor. The collecting device has a spherical shape, and includes a core, a filtering layer, supporting bodies and a shell from the inside to the outside, and the core is a solid sphere, and can adjust and balance theweight of the collecting device; the external of the core is coated with the filtering layer, and the filtering layer is formed by filling with filtering particles, and is used for filtering graphitedusts; a plurality of the supporting bodies connect the filtering layer with the shell, and are used for supporting the shell and creating an internal space of the collecting device; and the surfaceof the shell is uniformly provided with holes. The graphite dust collecting device for the ball bed high-temperature gas-cooled reactor can effectively collect the graphite dusts generated in the filling and running process of the ball bed high-temperature gas-cooled reactor, and solves the unique problem of graphite dust pollution of the ball bed high-temperature gas-cooled reactor.

The invention relates to a peelable radionuclide decontamination agent and a preparation and utilization method thereof. The peelable radionuclide decontamination agent is prepared from, by weight, 5-8 parts of an organic functional component, 25-30 parts of a foam stabilizer and 18-22 parts of a coalescing agent. The utilization method includes steps: S1, wet decontamination agent preparation; S2, film formation and decontamination; S3, drying and film peeling. The peelable radionuclide decontamination agent has advantages of low pollution, high universality, easiness in waste treatment and low cost.

The invention discloses a medical equipment sterilizing device. The medical equipment sterilizing device comprises a shell body, a cleaning tank and a control system, and further comprises a first filter and a second filter, wherein a first pipeline is connected to the outlet end of the first filter and a second pipeline is connected to the outlet end of the second filter; a third pipeline is connected to the first pipeline and the second pipeline through a tee-junction, the third pipeline communicates with a main pipeline through a tee-junction, the main pipeline is connected with the outletend of a liquid adding pump, the inlet end of the liquid adding pump is connected with a liquid adding main pipe, and a first liquid adding pipe and a second liquid adding pipe are connected to the liquid adding main pipe through a tee-junction; and the inlet ends of the first filter and the second filter are connected with the outlet end of a liquid discharging pump. According to the medical equipment sterilizing device, waste water cleaning lumen type medical equipment is treated through the first filter and the second filter, and the treated waste water is recycled, the water resource is saved.