32results about How to "Reduce the amount of water vapor" patented technology

A ventilation member and a ventilation member kit are provided that can extend the time until fogging will be produced in a housing and also can shorten the time until the produced fogging will be cleared up even when the interior of the housing has been fogged. A vented housing and a vented tank using them are also provided. A ventilation member includes: a first gas permeable membrane, a second gas permeable membrane, and an absorbing layer allowing a gas passing through an opening of a housing or a tank to permeate therethrough, with the ventilation member being fixed to the opening; a support body for supporting the first gas permeable membrane, the second gas permeable membrane, and the absorbing layer; and a first one-way valve disposed so as to cover the first gas permeable membrane. The first gas permeable membrane and the second gas permeable membrane are disposed in such a manner that the gas permeates through the gas permeable membranes independently of each other. The second gas permeable membrane and the absorbing layer are disposed in such a manner that the gas permeates through the second gas permeable membrane and the absorbing layer successively. The absorbing layer contains a water absorbent.

The invention belongs to the technical field of hot air drying of agricultural and sideline products, and discloses a multi-stage heat pump drying and dehumidification system with a bypass pipeline, comprising: a control unit, a main air duct and a drying room for placing materials to be dried, the drying room An air supply port for introducing gas and an air exhaust port for exhausting gas are provided; the two ends of the main air duct are respectively connected with the air supply port and the air exhaust port, and the main air duct is provided with a main fan and an air exhaust port. A dehumidification chamber, a water baffle, and a heating chamber are arranged in sequence along the airflow direction; it also includes a multi-stage heat pump unit and a bypass pipeline connected with the dehumidification chamber to realize multi-stage heating and multi-stage dehumidification. Compared with the single-stage heat pump drying system, the pressure ratio of the compressor is reduced, and the efficiency of the compressor is improved, and the air volume control based on the bypass pipeline can effectively adjust the dehumidification performance of the system, so that the system has a larger adjustment range.

A clinical chemistry analytical apparatus for automatically analyzing a plurality of biological fluids samples is disclosed. The apparatus provides a movable cover having a pipetting opening which allows insertion of a pipetting needle therethrough, a closure mechanism which in a first state closes the pipetting opening and in a second state leaves it open, a conveyor automatically transporting a reagent container to a pipetting position, at which an opening of the reagent container is aligned with the pipetting opening, and an actuation mechanism which automatically brings the closure mechanism into the second state before introducing the pipetting needle through the pipetting opening and which brings the closure mechanism into the first state after withdrawal of the pipetting needle from the pipetting opening. The actuation mechanism is adapted to actuate the closure mechanism by a displacement of a transport device that moves the pipetting needle to and from at least one pipetting position.

A carbon dioxide (CO2) chemical absorption system comprising: a CO2 absorption column for separating CO2 from combustion exhaust gas by absorbing the CO2 in the combustion exhaust gas with a CO2 absorbing liquid mainly composed of an aqueous alkanolamine solution; a regeneration column for regenerating the CO2 absorbing liquid by desorbing CO2 gas from the CO2 absorbing liquid that has absorbed CO2; a condenser for condensing water vapor entrained in the desorbed CO2 gas discharged from the top of the regeneration column, thereby obtaining reflux water; a pipe for returning all or part of the reflux water obtained by the condenser to the top of the regeneration column, and dispersing the reflux water in the regeneration column; a collection plate for collecting the reflux water dispersed in an upper portion of a packed bed in the regeneration column; a pipe for sending the regenerated CO2 absorbing liquid from the bottom of the regeneration column to the top of the absorption column; and a pipe for joining the reflux water collected by the collection plate into the pipe for sending the regenerated CO2 absorbing liquid.

The invention belongs to the technical field of gas purification and provides a decarbonization solution and a decarbonization method due to the fact that CO2 content in recycle gas needs to be lowered when a novel high selective catalyst is adopted for synthesizing ethylene oxide / glycol. The solution is composed of potassium carbonate and an inorganic activating agent. Two-section absorption process of appropriate flow distribution and temperature control is adopted. Desorbing of the solution adopts novel transformation regeneration energy-saving technology, differential pressure is formed between two towers of a pressurization regeneration tower and a normal pressure regeneration tower by using a desorbing effect of an adjustable supersonic speed steam ejector on the normal pressure regeneration tower, mixed gas containing a large amount of water vapour is desorbed for gas stripping and regeneration for the pressurized regeneration tower. By means of the method, residue CO2 in the recycle gas after decarbonization is greatly reduced, and simultaneously solution reclaimed heat consumption is reduced by more than 30% compared with conventional potassium carbonate decarbonization process.

The invention discloses a cylindrical natural gas drying device. The device comprises a drying cavity, a condensation column, a condensation pipe, a gas inlet pipe, a gas outlet pipe, a liquid outlet pipe, a drying pipe and adsorbents, wherein the condensation column is arranged in the drying cavity; the condensation pipe penetrates through the condensation column back and forth in the peripheral direction of the condensation column; a plurality of horizontal runners are formed in the condensation column; a liquid collecting cavity is formed in the lower part of the condensation column, is arranged below the horizontal runners and is communicated with each horizontal runner; the gas inlet pipe is arranged on the left of the drying cavity; the gas outlet pipe is arranged on the right of the drying cavity; the liquid outlet pipe is communicated with the liquid collecting cavity; perforated plates are arranged at the two ends of the drying pipe; the adsorbents are arranged in the drying pipe; the drying pipe is communicated with the gas outlet pipe. The device is suitable for natural gases with high water vapor contents and can prevent the adsorbents from losing effects in a short time and improve the natural gas drying effects.

An industrial treatment method for oil field wastes comprises: performing sampling analysis on oil field wastes, and preheating to 80°C to 300°C using high-temperature steam or thermal conduction oil; then performing microwave pyrolysis treatment, controlling pressure at -5000 to -100 Pa, and obtaining treated solid substances and gas; condensing, separating and purifying the gas and recycling the gas so as to obtain water, oil and non-condensable gas. An industrial treatment device for oil field wastes comprises a feed hopper, a dryer, a microwave heating cavity, a microwave generator, a heating device, and a condensation, separation and purification device. The feed hopper is connected to the dryer. The dryer is connected to the microwave heating cavity. A steam or thermal conduction oil outlet of the heating device is connected to a steam or thermal conduction oil inlet of the dryer. Gas outlets of the dryer and the microwave heating cavity are both connected to the condensation, separation and purification device. The microwave generator is connected to the microwave heating cavity. The treatment method and device have good treatment effects, high energy utilization rate and high economic efficiency.

The invention discloses a network tube type natural gas drying device, which comprises a drying chamber, a horizontal condensation pipe, a vertical condensation pipe, an air inlet pipe, an air outlet pipe, a liquid collection box, a liquid outlet pipe, a drying pipe and an adsorbent; the bottom of the drying chamber is provided with Tapered opening, the liquid collection box communicates with the tapered opening, the horizontal condensation pipe and the vertical condensation pipe are arranged crosswise; the air inlet pipe is arranged on the left side of the drying chamber, the air outlet pipe is arranged on the right side of the drying chamber, and the liquid outlet pipe is arranged on the liquid collection The bottom of the box; the two ends of the drying pipe are provided with porous plates, the adsorbent is arranged in the drying pipe, and the drying pipe is connected with the air outlet pipe. The invention is suitable for the natural gas with high water vapor content, can prevent the adsorbent from failing in a short time, and improve the drying effect of the natural gas.

The invention discloses a dyeing system suitable for gradual dyeing of cloth, which comprises a dyeing mechanism, a drying mechanism and a winding mechanism arranged at the rear side of the dyeing mechanism; The cloth guide roller for conveying; the driving part is used to drive the cloth guide roller to rotate, and the driving part works intermittently; the reset structure is used to drive the cloth guide roller to keep pace with the cloth guide roller after the driving part stops working. The cloth is rotated in the opposite direction of the conveying direction; the drying mechanism includes a drying box, two rolling shafts arranged on the upper part of the box, a cloth guide roller arranged in the box, a water squeezing device and a device arranged in the center of the box. The hot air drying parts in the box. After the dyeing of the present invention, the drying process is carried out directly through the drying device, and then it can be directly wound up, and the work efficiency is high; and the water squeezing device is arranged at the middle and lower part of the box body, so that the water squeezed out during water squeezing will not flow along the fabric It flows, and the efficiency of the cloth drying is high.

The invention provides a low-VOC silicone sealant, which comprises the following preparation raw materials in parts by weight: 100 parts of alkoxy-terminated polydimethylsiloxane, 50-150 parts of nano-calcium carbonate, and 5 parts of fumed white carbon black. -10 parts, 3-6 parts of crosslinking agent, 1-5 parts of catalyst, 0.5-1.5 parts of adhesion promoter; the alkoxy-terminated polydimethylsiloxane has a structure shown in formula (1) A compound or composition, the adhesion promoter is a compound or composition having the structure shown in formula (2). The invention belongs to the technical field of silicone sealants, and provides a low-VOC silicone sealant with low odor, good adhesive performance, storage stability and weather resistance, and can be widely used in household appliances, electronic equipment, lighting fixtures, indoor Bonding and sealing in decoration and other fields.

An object of the present invention is to provide a surface-treated aluminum material excellent in long-term resin adhesion over the entire surface of the aluminum material, and to provide a stable manufacturing method for such a surface-treated aluminum material. The solution to the problem is to provide a surface-treated aluminum material and a manufacturing method thereof, the surface-treated aluminum material is characterized in that it contains an aluminum material and an oxide film formed on at least one surface thereof, and the above-mentioned oxide film is formed by A porous aluminum oxide film layer with a thickness of 20 to 500 nm on the surface side and a barrier aluminum oxide film layer with a thickness of 3 to 30 nm formed on the substrate side, the porous aluminum oxide film layer is formed with a diameter of 5 Small pores of ~30nm, the moisture contained in the above oxide film is 10μg / cm 2 the following.

The invention relates to a solar tube and a machining method thereof, in particular to the solar tube capable of achieving the functions of heat collecting and refrigerating and the machining method thereof. The solar tube which is simple in structure, safe in use and low in cost and the machining method thereof are provided. The solar tube comprises an inner tube body and a cover glass tube arranged outside the inner tube body in a sleeving mode. A condensing tube is arranged above the inner tube body. The connector position of the condensing tube, the inner tube body and the cover glass tube is sealed to form an annular sealing opening. An inner vacuum cavity body is formed between the condensing tube and the inner tube body, and an outer vacuum cavity body is formed between the inner tube body and the cover glass tube. An annular clapboard arranged horizontally is fixed to the inner wall of the inner vacuum cavity body and is fixed to the upper portion of the inner vacuum cavity body. A flow resisting tube is installed on the annular clapboard. The central axial line of the flow resisting tube is parallel to that of the inner tube body. A working medium is arranged at the bottom of the inner vacuum cavity body. The external surface of the inner tube body is coated with a selective absorbing coating. A bracket is arranged inside the outer vacuum cavity body. A getter is placed on the bracket.

The invention relates to formed coke and a production method of formed coke, coal gas and tar. The mass percent of dry base volatile components of the formed coke is lower than 10 percent, the mass percent of the dry base fixed carbon content is more than 70 percent, the cold pressure intensity is higher than 400 N / ball, the thermal stability is higher than 90 percent, and the dry base high-position heat generation quantity is more than 6000 cal / g. The production method comprises the following steps: using binderless hot pressing moulded coal of low-deterioration dgree coal as raw materials to carry out dry distillation in an external heating type dry distillation device at the temperature between 550 and 1000 DEG C for obtaining the formed coke; and then, obtaining the coal gas and the tar through indirectly cooling and separating obtained gaseous products. The formed coke produced by the method of the invention has low production cost and good reactive activity, and the production process is simple and effective.

An exhaust gas treatment system comprising: a CO2 chemical absorption equipment comprising an absorption column which absorbs carbon dioxide (CO2) in a combustion exhaust gas discharged from a combustion device with the use of an absorbing solution comprising an amine compound as a main component and a regeneration column which regenerates the absorbing solution by desorbing CO2 from the absorbing solution which absorbed CO2; a flash tank which depressurizes the absorbing solution withdrawn from a lower part of the regeneration column to flash-evaporate the absorbing solution; a vapor recompression equipment which compresses the vapor generated by the flash tank; a temperature control device which adjusts the vapor compressed by the vapor recompression equipment to be within a predetermined temperature; and a piping for feeding the vapor adjusted to the predetermined temperature by the temperature control device to the regeneration column.