11results about How to "Reduce drying energy consumption" patented technology

The application provides a dehumidifier and a control method thereof. The dehumidifier comprises a refrigeration system, a water pan, a heating pipe and a regulating valve. The refrigeration system comprises a compressor, a condenser, an evaporator and a fan. The heating pipe is arranged below the water pan. The regulating valve is used for adjusting the flow path of refrigerant and is configured to make the refrigerant flowing out of the compressor directly flow into the condenser through a dehumidification branch during a dehumidification process and make the refrigerant flowing out of the compressor flow into the heating pipe and then flow into the condenser through a drying branch during a drying process. The control method comprises the following steps: obtaining an internal drying instruction of the dehumidifier; switching the regulating valve to the drying branch; closing the fan and controlling the compressor to operate alone. The application has the advantages that the internal mildew and bacterial breeding problems caused by long-time residual condensate after the dehumidifier is stopped can be solved, the dehumidifier blowing out the wind with peculiar smell is avoided, and the use experience of the user is improved.

The invention belongs to the crossing field of fine chemical engineering, crystal engineering and continuous production technologies, and particularly relates to a process and a device for continuously preparing 1, 3-cyclohexanedione crystals. The method comprises the following steps: respectively introducing a pre-cooled 1, 3-cyclohexanedione monosodium salt aqueous solution and an acidifying agent into a static mixer through a metering pump for mixing, introducing the materials into an aging tank for aging, and carrying out solid-liquid separation on the aged materials to obtain 1, 3-cyclohexanedione crystals. The invention provides a process and a device for continuously preparing a 1, 3-cyclohexanedione crystal, the process and the device are a brand-new continuous acidification crystallization process and system based on a static mixer, and aims to fundamentally eliminate local supersaturation, realize accurate control of the crystal form and morphology of 1, 3-cyclohexanedione and produce a high-quality flaky crystal form product. And the continuity, the stabilization and the high efficiency of the production process are realized.

The utility model relates to the field of automobile parts manufacturing equipment especially, and more particularly to a kind of diversified drying rack for automobile parts foam mold manufacturing, including main frame, the bottom of main frame is equipped with several moving wheels, several installation blocks are installed at intervals on main frame, and slidingly connected with support rod between transverse corresponding installation blocks, installation block is used to support support rod both ends, the side of installation block and support rod contact is slidingly connected with top block, reset spring is arranged in installation block, one end of reset spring is connected in installation block, other end is connected with the side of top block, the other side of top block is slidingly connected with support rod, and top block is provided with arc surface matched with support rod, and auxiliary assembly for placing small parts is arranged between support rod. Through the dynamic cooperation of detachable support rod and top block mechanism, the distance between support rods is changed, different thickness foam molds are merged, stacked or accommodated, the purpose of improving the volume utilization of drying room is achieved, the drying frequency is reduced, and the drying energy consumption is reduced.

The application discloses a kind of converter steel slag grading efficient resource utilization method, comprising the following steps: (1) converter steel slag pretreatment, liquid converter steel slag is sequentially crushed by rolling, hot stew under pressure, rod grinding and impurity removal process to obtain pretreated steel slag;(2) grading screening, pretreated steel slag is graded using a mobile five-layer vibrating screen;(3) product adaptation treatment, 16-63mm products are used as railway ballast;5-10mm, 10-15mm products are used as road asphalt surface layer aggregate;<8 mesh products are used as steel slag sand for rust removal (4) wastewater, dust treatment and metal, waste heat recovery treatment.The application greatly improves the processing efficiency, significantly enhances the stability of the product, has outstanding environmental performance, optimizes waste heat utilization and energy consumption, has high resource utilization rate and added value, and has significant social benefits.

The utility model discloses a vacuum filtration blowback device and a vacuum dryer, which belong to the technical field of chemical equipment and comprise a gas pipeline module and a filtration module, the gas pipeline module comprises a main gas pipeline and two auxiliary gas pipelines; the bottom of the gas main pipeline is inserted into the filtering module; one ends of the two auxiliary gas pipelines are communicated with the main gas pipeline, and the other ends are respectively communicated with the vacuum pump and the gas source; and a valve is arranged at the other end of each gas auxiliary pipeline. According to the utility model, the valve is arranged on the vacuumizing pipe, so that the pressure drop loss is reduced, the back flushing effect is improved, the gas pipeline module and the filtering module of the vacuum filtering and back flushing device are convenient to disassemble and assemble through the modular design, and the cleaning difficulty of the filtering module and the operation difficulty in the equipment maintenance process are reduced.

The application provides a sludge coupling building site wooden template resource utilization system and working method, which can realize collaborative resource utilization of two different materials and flue gas reaching ultra-clean emission requirements. A first high-pressure vertical dehydration device, a second steam drying device and a dry sludge temporary storage are connected in sequence, and the dry sludge temporary storage is connected with a incinerator; a first crushing and iron removing system, a second crushing and iron removing system and a third crushing system are connected in sequence, and the third crushing system is connected with the incinerator; the incinerator is connected with a steam turbine generator set and a dry desulfurization system, and the steam turbine generator set is connected with the second steam drying device; the dry desulfurization system, an SNCR denitration system, a metal filter dust collector, an SCR denitration system, a dry deacidification system, an activated carbon injection system and a bag-type dust collector are connected in sequence; and a multi-medium heat exchange device is connected with the bag-type dust collector, a wet deacidification system, the incinerator, the metal filter dust collector and the second steam drying device.

This invention belongs to the field of methoxyamine hydrochloride preparation technology and discloses a method for separating methoxyamine hydrochloride and ammonium chloride. The method involves cooling a mixed solution containing ammonium chloride and methoxyamine hydrochloride to selectively crystallize out ammonium chloride, which is then separated to obtain ammonium chloride crystals and a mother liquor enriched with methoxyamine hydrochloride. The mother liquor is then concentrated or dissolved by heating, followed by ultra-low temperature crystallization, separation, and drying to obtain methoxyamine hydrochloride crystals. This invention uses ultra-low temperature segmented crystallization to selectively precipitate ammonium chloride, resulting in methoxyamine hydrochloride crystals with a purity ≥99.9% and ammonium chloride crystals with a purity ≥98%.

The invention relates to an excavator support surface oxidation treatment device, and belongs to the technical field of oxidation treatment device.The excavator support surface oxidation treatment device comprises a mounting assembly, the mounting assembly comprises a mounting bin, and an oxidation treatment assembly is mounted at the inner bottom of the mounting bin; the device comprises a mounting bin, the inner top of the mounting bin is provided with a cleaning assembly, the middle position of the inner top of the mounting bin is provided with a clamping assembly, and the rear of the mounting bin is provided with a drying assembly. The full-process operation of cleaning, oxidizing, re-cleaning and drying can be completed in the same device, a mechanical arm of the clamping assembly is matched with a servo motor to achieve automatic adjustment of the posture of the support, manual transfer and secondary positioning are not needed, and the treatment period is greatly shortened.

This invention discloses a method for producing feed-grade granular high water-soluble phosphorus MDCP, comprising the following steps: 1) mixing phosphoric acid with a portion of calcium carbonate emulsion; 2) the premixed slurry entering a stirred tank reactor for deep reaction neutralization; 3) the reaction slurry being fed into a second tank reactor for secondary neutralization reaction; 4) the secondary neutralization reaction being stirred and granulated to generate granular semi-finished product; 5) drying to obtain the material; 6) the dried material being screened. This invention premixes purified phosphoric acid with a portion of calcium carbonate emulsion and then fully stirs and reacts it in a reaction tank to generate a large amount of high water-soluble calcium dihydrogen phosphate (MCP) slurry. The slurry forms a mixture with the remaining unreacted portion of phosphoric acid, which then undergoes a secondary reaction with the remaining calcium carbonate emulsion to generate dicalcium phosphate (MDCP) slurry. After granulation, drying, screening, and cooling, a qualified granular MDCP product with high water-soluble phosphorus content is obtained.

The invention belongs to the technical field of water pollution control and treatment, particularly relates to a sludge treatment device, and aims to solve the problems that existing sludge treatment equipment is poor in dewatering-anti-blocking collaboration, poor in treatment parameter pertinence, low in heat energy recovery efficiency, poor in forming effect and insufficient in equipment integration degree. Two supporting plates are fixedly mounted at the top of the bottom plate, the conveying and feeding mechanism is arranged on the two supporting plates and comprises a conveying cylinder, and a plugging cover is arranged at an opening of the conveying cylinder. Through the collaborative design of three-stage variable-pitch screw extrusion dewatering, memory metal filter screen heating anti-blocking, sludge component real-time detection, dosing, stirring and conditioning, extrusion shaping and drying integration and precise waste heat recovery and preheating, the problems that existing equipment is low in dewatering efficiency, prone to blockage, high in energy consumption and poor in forming effect are solved; the efficient, energy-saving and stable treatment of the sludge is realized.

The application discloses an energy-saving paper drying processing device with waste heat recovery, which comprises a drying box and a plate heat exchanger. A fixing rod is fixedly connected to the center of the top of the drying box. The drying box is fixedly connected with the plate heat exchanger through the fixing rod. Drying cavities are formed in the upper and lower sides of the inside of the drying box. A plurality of gas outlets are formed in the sides corresponding to the two drying cavities. The gas outlets and the inner cavities of the drying box are in interpenetrating arrangement. A, B, C and D installation pipes are arranged at the bottom of the plate heat exchanger. Transmission mechanisms are arranged on the front and back sides of the drying box. The plate heat exchanger realizes countercurrent heat exchange of drying waste gas and fresh air. The high-temperature wet waste gas discharged by drying transfers heat to normal-temperature fresh air entering the system in the heat exchanger, so that the fresh air is preheated before entering the main heating device, the energy consumption of the main heating device is greatly reduced, and the problems of direct discharge of waste gas heat and serious energy waste in the prior art are effectively solved.