7results about How to "Solve concentration" patented technology

The application provides a system and method for in-situ monitoring of CO2 concentration in the whole process of CCUS. The system comprises a sampling unit for collecting sample gas, a pretreatment unit including a Nafion permeation membrane drying tube for removing gaseous water molecules in the sample gas, and a non-thermal dryer for treating compressed air to a dew point of less than or equal to -40 DEG C and then using the compressed air as a back flushing gas source of the Nafion permeation membrane drying tube, an analysis unit including a low concentration detection module and a high concentration detection module based on the NDIR principle, wherein the ranges of the two modules are 0-90 % CO2 and 90-100 % CO2 respectively, and the gas chambers are an optical path gas chamber and a short optical path gas chamber respectively, the two modules are connected to the pretreatment unit, and a control unit is signal connected with the sampling unit, the pretreatment unit and the analysis unit. The system and method optimize the pretreatment accuracy and wide concentration adaptability of CO2 monitoring in the CCUS scene, and achieve the long-term in-situ monitoring target with low cost and low maintenance.

The present application provides a kind of lens and lamp, the lens includes concave light cavity and the light cavity below and concave light exit cavity, the first light entrance surface is in the light cavity, the first light exit surface is in the light exit cavity opposite the first light entrance surface, the first microstructure is on the first light entrance surface, the second microstructure is on the first light exit surface, the light from the first microstructure is incident, and the first microstructure generates once self-mixing light, and the second microstructure is emitted and generates twice self-mixing light.Compared with prior art, the present application is simple in structure and the light emitted is uniform and free of yellow spots.

The invention relates to the technical field of traditional Chinese medicine evaporation control, in particular to an online detection system for a traditional Chinese medicine production process. According to the system, the temperature of an inlet of a heater in a concentration tank and the temperature of a liquid medicine body are monitored in real time, the form and characteristics of temperature fluctuation at the monitoring moment are analyzed, and a heating pulse set and a standard pulse set are extracted; constructing an evaluation matrix based on heat conduction time constraint, solving global optimal matching, screening a heat transfer pulse pair set, calculating a pulse broadening ratio, and synthesizing a heat transfer resistance index; and further inverting the solute concentration boiling point value based on the deviation between the actually measured temperature and the heat transfer resistance index. Therefore, the system carries out dual threshold judgment of concentration standard reaching and rheological safety, and decides the evaporation state and production safety control in real time. Through thermodynamic closed-loop regulation and control, the problem that the temperature measurement is mismatched with the real concentration under the high-viscosity working condition is solved, and the accuracy of traditional Chinese medicine concentration end point detection and the production safety are improved.

The utility model discloses a kind of vinyl chloride gas cabinet water seal ph monitoring and regulation system, belong to vinyl chloride production equipment technical field, including vinyl chloride gas cabinet, it is characterized in that, further include liquid alkali storage tank and PLC controller, liquid alkali storage tank is equipped with infusion tube between vinyl chloride gas cabinet, infusion tube one end is connected with liquid alkali storage tank, the other end is set in vinyl chloride gas cabinet water seal, be equipped with liquid alkali metering delivery pump on infusion tube, vinyl chloride gas cabinet water seal is equipped with ph sensor, the PLC controller is electrically connected with liquid alkali metering delivery pump and ph sensor respectively.The utility model real-time acquisition water seal liquid pH value signal by ph sensor, the automatic start-stop control of liquid alkali metering delivery pump is combined with PLC controller, the real-time monitoring and accurate regulation and control of water seal liquid ph are realized, to reduce the damage of acidic corrosion to gas cabinet, prolong equipment service life.

The application provides a kind of hydraulic support spray dust-settling device of fully mechanized coal mining face, including: water tank, spray dust-settling mechanism and air draft dust-settling mechanism, including: spray dust-settling mechanism includes mounting seat and atomizing nozzle;Mounting seat connects water passing box body, and water pump is arranged between water passing box body and water tank.Wind-draft dust-settling mechanism includes filter box body;Filter box body's air inlet end is equipped with the ventilation pipe with fan, and air outlet end is equipped with ventilation groove, and multiple filter screen plates are arranged in filter box body, bottom is communicated with water tank, and water is injected to water surface position.The device has double functions of integrated spray dust-settling and air draft dust-settling, spray dust-settling mechanism utilizes the interaction of high-pressure water mist and dust particles to promote its rapid settlement, at the same time, air draft dust-settling mechanism extracts dust-containing air by fan, and the air is filtered and purified by multiple filter screen plates, which further reduces the diffusion and pollution of dust, and the purified air is discharged back to the environment, which effectively improves the air quality of working area.

The utility model relates to the technical field of surfactant bubble removal, in particular to a surfactant bubble removal device which comprises a bubble removal machine used for removing bubbles in a surfactant, the bubble removal machine comprises a machine body, a vibration motor, a discharging pipe and an intermittent vibration piece, and the water inlet end of a water pump is fixedly connected with a water absorption bent pipe. A water pump is arranged on the machine body, a water outlet end of the water pump is fixedly connected with a water outlet straight pipe, one end of the water outlet straight pipe is fixedly connected with a through pipe, and a pressure spray head is arranged at the bottom of the through pipe. And bubbles on the inner side of the surfactant in the machine body are further broken, so that the circulation of the surfactant is realized, and the problem that the concentration and the performance of the surfactant are possibly influenced by the water amount in the bubble discharging process of the surfactant bubble discharging device is solved.

This invention discloses a two-stage built-in dual fluidized bed reactor for a biomass feedstock chemical chain hydrogen production process. Each built-in dual fluidized bed includes: a gasification chamber, which is a cylindrical structure with a conical surface at the bottom, and an opening on the conical surface for introducing bubbling fluidizing air; a combustion chamber, which is a tubular structure and fitted inside the gasification chamber, with an open bottom located within the conical surface area for introducing vertically upward combustion air; and a return unit, which is located in the upper middle part of the reactor, is a hollow disc structure fitted outside the combustion chamber, and is used to transport high-temperature bed material particles from the combustion chamber to an annular gasification zone outside the combustion chamber for mixing with the biomass feedstock in the gasification zone to produce hydrogen. The return unit includes a loosening chamber and a return chamber. The two built-in dual fluidized beds are connected in series for introducing the hydrogen-containing syngas produced by the first dual fluidized bed into the combustion chamber of the second dual fluidized bed.