374results about How to "No fouling" patented technology

The invention relates to a scale and corrosion inhibitor for treating circulating cooling water, which is prepared from the following components in percentage by weight: 10 to 35 percent of polyaspartic acid (PASP) or polyepoxysuccinic acid, 10 to 35 percent of sodium gluconate, 0.15 to 3 percent of methyl benzotriazole, 1 to 5 percent of imidazoline and deionized water. The polyaspartic acid (PASP) or the polyepoxysuccinic acid (PESA) with biodegradability serving as a main body is compounded with the deionized water, the methyl benzotriazole, the sodium gluconate and the imidazoline to form a phosphorus-free product; the sodium gluconate has good synergy with the methyl benzotriazole and the imidazoline, so the scale and corrosion inhibiting effect is good, and scale formation, corrosion and bacteria and algae propagation of the circulating water can be effectively prevented; and when the added mass concentration is 20mg / L, the corrosion rate is 0.0561mm / a. Under the same water quality condition, the scale and corrosion inhibitor has low adding concentration, low adding quantity and low cost compared with other like products; and the scale and corrosion inhibitor is stable at a high temperature, has certain chlorine resistance and oxidation resistance, can ensure that a system has no scale or corrosion or the like, and can be adapt to the water quality of various complex severe working conditions.

The invention relates to a rotary oil smoke filter which can effectively purify oil smoke in an oil smoke gas and has the characteristics of simple and easy operation, and low cost. A plurality of disk-shaped or helical filter plates which have large radial dimensions, good thermal conductivity and fast heat radiation and are prepared from oil smoke adsorption materials are connected in series to form a group, the group transversely rotates at a high speed, cuts the oil smoke, and divides purifying and processing units. So a contact and collision action of oil smoke particles with the filter plates and an oil smoke wall attachment and deposition effect can be enhanced, thereby the oil smoke condensation and deposition effect is improved, and oil smoke filtering and purifying and air cleaning can be realized; and simultaneously cases that a rang hood does not plot oil and accumulate filth, and needs no cleaning can be guaranteed through flinging condensate droplets onto wall surfaces by a centrifugal effect generated through high speed rotation and collecting the droplets. The rotary oil filter has the advantages of simple and easy operation, high efficiency and reliability, good purifying effect and low cost.

The invention discloses an organic waste gas microemulsion absorbent, and a preparation method and application thereof. The absorbent comprises the following components in percentage by mass: 99.8 to 99.4 percent of water, 0.01 to 2 percent of surfactant, 0.05 to 2 percent of aid and 0.1 to 2 percent of inorganic salt. The preparation method comprises the following steps of: dissolving the surfactant with the water to obtain solution of surfactant; dissolving the aid and the inorganic salt in the water to obtain solution of aid; and mixing the solution of surfactant and the solution of aid and continuously stirring the mixed solution at the same time to obtain the organic waste gas microemulsion absorbent. The organic waste gas microemulsion absorbent is suitable for treating organic waste gases, and has the advantages of broad raw material sources, low cost, low saturated vapor pressure, non-toxicity, stable chemical properties, less corrosion to equipment, high organic waste gas removal efficiency, no need of pre-treating the waste gases, less investment, low running cost and the like; and the saturated absorbent can be recycled so as to realize the comprehensive utilization of resources.

The invention provides an air conditioner, a cooling system of the air conditioner and a cooling method. The cooling system comprises a condenser (1), an evaporator (5), a compressor (6) and a frequency converter (2), wherein the condenser (1), the evaporator (5) and the compressor (6) are connected in sequence, and construct a loop; a refrigerant flow path is formed in the condenser (1); and a cooling flow path is formed in the frequency converter (2); and the cooling flow path is communicated with the refrigerant flow path in the condenser (1) through a liquid taking flow path, and is communicated with the cold evaporator (5) through a liquid return flow path. The cooling system provided by the invention is simple in structure, and has small influence on the overall structure of a unit; a refrigerant is prevented from being scaled and corroded in a pipeline of the cooling system; a refrigerant in the condenser is used for cooling the frequency converter, so that the influence of the external environment is small, and the cooling effect is stable and reliable; and the cooling of the frequency converter and the refrigerating function of the air conditioner are completed at the same time in one cooling system, so that normal running of the air conditioner is effectively ensured.

The invention discloses a solar water purifier based on interface solar photo-thermal conversion, which comprises a solar interface evaporator and a distilled water collector, the solar interface evaporator comprises an open water storage tray and a light absorber with high photo-thermal conversion efficiency, the light absorber is of a double-layer structure and is formed by compounding an upper-layer photo-thermal conversion material and a lower-layer thermal insulation material, and a dust-free cloth is arranged between the upper-layer material and the lower-layer material. During use, it needs to be guaranteed that the dust-free cloth can continuously make contact with the liquid level in a water storage disc, so that it is guaranteed that enough water is conveyed to the surface of thelight absorber to guarantee continuous evaporation. Only solar energy is used as driving energy, other energy sources are not consumed, meanwhile, the problem of replacement of a filter element of aconventional water purifier is avoided, and the device has the advantages of being portable, low in price, high in water purification efficiency and the like and can be stably applied to seawater desalination, sewage treatment and outdoor drinking water purification for a long time.

The invention relates to an electro-deionization method and device for concentrating and purifying heavy metal wastewater synchronously, belonging to a wastewater treatment technique, which adopts first-stage two-section or first-stage multi-section electro-deionization device, wherein the inner sides of the positive and negative poles are arranged with corresponding pole protection chambers, the desalting chamber is filled with large-hole strong-acid strong-base mixed bed resin with narrow particles distributed; cation exchange film is adopted as the direction-turning film, after direction-turning, two adjacent concentration chambers are arranged continuously, both are separated by cation exchange film, simultaneously after direction-turning, the first concentration chamber is filled with large-hole mixed bed resin with the volume of cathode resin more than 50 percent, the heavy metal wastewater to be treated enters the desalting chamber and the concentration chamber in two paths, the heavy metal ion and cathode in the desalted water flow are transferred into the concentration chamber so as to obtain the desalted water, the concentrated water flow is partially circulated or closely circulated so as to obtain the concentrated liquid of metal wastewater, thereby recycling valence metals and pure water resources synchronously and realizing zero emission and resource treatment of wastewater. Compared with the prior art, the wastewater treatment process has higher separation efficiency, more reliable operation, more convenient operation, continuous process operation and no secondary pollution.

The invention discloses a high-hardness salt-containing water concentration method based on monovalent cationic selective electrodialysis. The method comprises the following steps: 1, performing chemical precipitation hardness removal and pretreatment on raw water; 2, performing reverse osmosis desalination treatment; and 3, regulating the pH value of reverse osmosis concentrated saltwater with hydrochloric acid or sulfuric acid to be 4-6 so as to serve as raw electrodialysis water, and enabling the water to respectively enter a desalting chamber and a concentration chamber formed by an anode membrane and a cathode membrane at an interval in an electrodialysis membrane stack, thereby obtaining high-salt electrodialysis water and low-salt electrodialysis water. According to the method disclosed by the invention, extra equipment and devices are not needed, and two ions forming a scale forming matter are separated under the condition that the recovery rate is not changed, so that a scaling phenomenon caused by simultaneous interception or simultaneous permeation is avoided.

The invention discloses a steam sterilizer, which comprises an evaporating pan assembly having a disinfection chamber, wherein a heating element is arranged at bottom of the disinfection chamber, an exhaust pipe is arranged on the upper part of the disinfection chamber, an exhaust control valve is arranged on the exhaust pipe; a pressure water case, wherein, the bottom of the pressure water case is connected to the bottom of the disinfection chamber through a feed pipe, a water volume control valve is arranged on the feed pipe; a bidirectional air pump connected to the pressure water case through a pressure regulating pipeline and communicated to the disinfection chamber through a hot air pipeline, wherein a pressure regulating valve is arranged on the pressure regulating pipeline, a hot air control valve is arranged on the hot air pipeline; a circuit board assembly connected to the bidirectional air pump, the heating element, the exhaust control valve, the water volume control valve, the pressure regulating control valve and the hot air control valve; and a casing arranged at external part of the above parts for supporting and protecting the above parts. The steam sterilizer has functions of cleaning, disinfection and drying which are carried out in the disinfection chamber, artificial transfer of the disinfection articles is not required, usage is more convenient and faster, disinfection processing efficiency is increased, and secondary pollution probability during a transfer process of the disinfection articles can be reduced. An ingenious design is employed, so that structure is simpler, more compact, smaller and more flexible, comprehensive utilization rate of the parts is high, and manufacture cost and use cost can be better controlled.

The invention relates to a compound corrosion and scale inhibitor which comprises the following raw materials according to mass ratio: 15%-30% of organic phosphonic acid, 10%-20% of acrylic acid or acrylic acid copolymer, 2%-10% of poly-maleic acid, 1%-3% of azole ramifications, 15%-30% of multivariate organic sulfonate, 2%-6% of dimethyl formamide and 20%-35% of water. The compound corrosion and scale inhibitor of the invention is used for a system which employs normal water as circulating cooling water, so as to solve corrosion problem caused by circulating water of normal-water to equipment. Corrosion rate of copper product is lower than the national standard of 0.005mm / a, thereby generating no equipment scaling caused by calcium phosphate deposition. Compared with corrosion inhibitors of the same kind, the compound corrosion and scale inhibitor has a lower dosage and is effective in corrosion and scale inhibiting. The compound corrosion and scale inhibitor is simple in operation, convenient, quick, safe and efficient.

The invention discloses a processing method for electro-adsorption demineralized water, which belongs to the water processing with an electrochemical separation method. The processing method for the electro-adsorption demineralized water comprises the following technical processes of energizing working, discharging for standing, carrying out short circuit and regenerating, and has the characteristics that industrial hydrochloric acid is injected into an electro-adsorption module (1) under the condition of continuously feeding water and energizing before the technical process of discharging for standing; water injected with the hydrochloric acid is controlled to just fill in the electro-adsorption module without being discharged out of the system; in addition, the pH (Potential Of Hydrogen) value range of the electro-adsorption module is controlled to 2.0-6.0; while the hydrochloric acid is injected, yielding water normally enters a water production tank (6) and is switched to a middle water discharging tank B (12); and after the electro-adsorption module is full of the hydrochloric acid, water is stop to feed, and the power supply is cut off to enter the technical processes of discharging for standing and regenerating. The invention provides the processing method for the electro-adsorption demineralized water, which has the advantages of simple step and excellent electrode regeneration effect, the electro-adsorption module does not scale, and an electro-adsorption demineralizer is guaranteed to continuously and stably operate for a long term.

A device for preparing high-purity organic substance by fusion crystallizing method is a tower structure which is divided into upper cooling-crystallizing segment, middle separating-purifying segment and lower crystal fusing segment. Its tower body is inclined and is composed of casing consisting of intersected two cylinders, heater and parallel engaged two spiral stirrers.

The invention relates to a low temperature electrolytic cleaning agent particularly suitable for secondary cold-rolled steel strips, and is mainly characterized in that the cleaning agent comprises the following components in percentage by weight: sodium hydroxide 20-40%, auxiliary cleaning agent 10-40%, moisture enhancing agent 5-10%, polyether emulsifier 5-30%, chelating agent 1-10%, and antifoaming agent 1-7%, the concentration of the cleaning agent during cleaning is 2-4.5%, and the temperature of the cleaning agent during cleaning is 30-40 DEG C. The cleaning agent can effectively remove the oil stains on the surface of secondary cold-rolled steel strips. The low temperature electrolytic cleaning agent provided by the invention has the advantages of low working temperature, rapid cleaning (the cleaning of the secondary cold-rolled steel strips is finished within 3-6 seconds), no scaling during use, low foam formation, and high stain removal capacity.

The invention relates to a method for preparing carbide (MC)-Co / Ni composite powder and hard alloy, and belongs to the field of wet metallurgy and powder metallurgy. The method adopts mechanically pretreated MC powder using WC as a main component and cobalt / nickel ammine complexing solution as raw materials, utilizes the self-catalysis activity of the mechanically pretreated MC powder, and adopts a hydrothermal high-pressure hydrogen reduction process to prepare the MC-Co / Ni composite powder under the condition that a sensitizing agent, an activating agent and a catalyst are not added; and on the basis, the method prepares the hard alloy of which the grain size is more than or equal to 4.5mu m without a wet grinding process. The method has the characteristics of low cost, short flow and high purity, does not cause alloy pollution, and the like.

Disclosed is a solar energy water heater of vacuum glass cover heat pipe plane type, comprising tank consisted of thermal insulating material and outer gimbal, vacuum plane glass above the tank, absorber plate consisted of heating pipe and fin, condensing zone of the heat pipe and recycling water tank are connected, the water tank and water storage are connected or the condensing zone of heat pipe is directly connected to water storage, and absorber plate is under the vacuum plane glass. The invention has no problems of icing, scale formation and atmospheric corrosion, fairly good red flared radiation can be emitting from heat collector inside because of high level of transparency of the vacuum plane glass to sun radiation but opaque to red flared radiation, decreasing radiation heat loss to absorber plate. Besides, heat pie has fast start-up, high sensitiveness, wide work range, fast heat transfer, only oneway heat exchange between heat collecting pie, and when the sun radiation is fairly low, heat elimination of heating working substance to environment can be reduced.

The invention relates to a boiled water machine / a hot water device. The functions of a boiled water machine and a hot water device are organically combined into a whole so as to avoid repeated investment. Firstly, water is preheated to drinking water of 90 DEG C and hot water of 60 DEG C respectively through a drinking water heating cup and a hot water heating cup; secondly, the drinking water of 90 DEG C is unidirectionally guided out from the drinking water heating cup to a drinking water valve through utilizing a parallel check valve in a water outlet of the drinking water heating cup and the hot water heating cup, thereby realizing the function of the boiled water machine; or the drinking water of 90 DEG C and hot water of 60 DEG C are guided out in parallel from the drinking water heating cup and the hot water heating cup to a cold / hot water mixing valve and are mixed into hot water of 70 DEG C, thereby realizing the function of the hot water device.

The invention relates to a jet type evaporation cooler with low water outlet temperature. The jet type evaporation cooler comprises a filler, a cooling water coil pipe and a fan, wherein the filler is arranged below the cooling water coil pipe; the lower side of the filler is connected with a jet cooling device through a water baffle plate; the jet cooling device comprises a water tank, a water pump, a water segregator, spraying pipes, nozzles and a water receiver; the spraying pipes are respectively arranged on two sides on the upper side of the water tank and connected with the water tank through the water segregator and the water pump; a plurality of nozzles are arranged on the spraying pipes; and the water receiver is arranged in the middle of the jet cooling device. By the jet type evaporation cooler with low water outlet temperature, air is cooled and depressurized by water jetted by the nozzles and then enters the coil pipe region on the upper part; the temperature of circulating water is greatly reduced by increasing the ventilating amount through the high-power fan; therefore, scaling is avoided, and the water outlet temperature is relatively low; and furthermore, the cooler can adapt to different running modes in different seasons.

The invention relates to a compound corrosion and scale inhibitor which comprises the following raw materials according to mass ratio: 15%-30% of organic phosphonic acid, 10%-20% of acrylic acid or acrylic acid copolymer, 2%-10% of poly-maleic acid, 1%-3% of azole ramifications, 15%-30% of multivariate organic sulfonate, 2%-6% of dimethyl formamide and 20%-35% of water. The compound corrosion andscale inhibitor of the invention is used for a system which employs normal water as circulating cooling water, so as to solve corrosion problem caused by circulating water of normal-water to equipment. Corrosion rate of copper product is lower than the national standard of 0.005mm / a, thereby generating no equipment scaling caused by calcium phosphate deposition. Compared with corrosion inhibitorsof the same kind, the compound corrosion and scale inhibitor has a lower dosage and is effective in corrosion and scale inhibiting. The compound corrosion and scale inhibitor is simple in operation, convenient, quick, safe and efficient.

The invention relates to a scale and corrosion inhibitor using recycled water as circulating cooling water in a fired power plant, a method and an application thereof. The recycled water is civic recycled water which is used as the circulating cooling water in the fired power plant in the manner of moisturizing, wherein the scale and corrosion inhibitor contains two sets of components: the first set of component contains organic phosphonate, polycarboxylic polybasic copolymer, zinc salt and water which is used as the solvent, and the second set of component contains copper corrosion inhibitor. The two sets of components are separately packaged. The scale and corrosion inhibitor can efficiently prevent calcium carbonate, scatter calcium carbonate crystallite, change the state of the calcium carbonate crystallite and prevent the generation of ferric oxide and calcium phosphate scale. The invention has the function of preventing the scale and corrosion of the civic water which is rich in salt, ammonia nitrogen and COD, is high in basicity and hardness and has strong anti-corrosion property. The scale and corrosion inhibitor of the invention can meet the demand of inhibiting scale and corrosion by only using 10 to 50 mg / l, so the industrial water usage and cost are saved and the benefit is high.

The invention relates to a scale and corrosion inhibiting agent for the circular cooling water of an oxygen preparation plant as well as a method and an application thereof, which are characterized in that the scale and corrosion inhibiting agent comprises the following components: organic phosphonate, polycarboxylic acid multicomponent copolymer, copper corrosion inhibiting agent, zinc salt, polyaspartic acid and water, wherein the water is solvent. The scale and corrosion inhibiting agent can effectively prevent the formation of calcium carbonate, disperse calcium carbonate microcrystals, change the crystallization state of the calcium carbonate and have favorable performance for preventing the formation of calcium carbonate scale in the circular cooling water. The invention has the effect of preventing calcium carbonate incrustation under the complicated condition that the circular cooling water of the oxygen preparation plant is not only used by a high-temperature heat exchanger, but also used by low-temperature freezing water equipment and low-temperature equipment. Only 10-50 mg / L of scale and corrosion inhibiting agent can achieve the requirement of scale and corrosion inhibition, and the invention greatly saves the industrial water consumption amount and the economic cost and has favorable economic and social benefits.

The invention discloses a condenser steam injection vacuum system. The condenser steam injection vacuum system comprises a steam ejector and a condenser, wherein the steam ejector and the condenser are connected to a vacuum pipeline, the steam ejector comprises a head cavity and an injection pipeline, the head cavity is communicated with the injection pipeline, a power steam inlet and a condenser gas inlet are formed in the head cavity, a power nozzle which is located in the same horizontal line as the ejection pipeline is arranged on the power steam inlet, and the steam ejector takes steam as the power medium and produces a supersonic jet stream through the power nozzle to form vacuum in the head cavity so that steam and gas mixture in the condenser can be extracted. The condenser steam injection vacuum system is simple in structure, low in improvement cost and capable of enabling the vacuum of the condenser to be kept in a high-level state.

The invention relates to a cleaning agent for cold rolling galvanizing pretreatment, which comprises the following constituents (by weight percentage): sodium-hydroxide 10-50%, sodium carbonate 10-40%, sodium tripolyphosphate 5-30%, glucoheptonates 5-30%, composite alkyl phosphate ester surface active agent 1-7%, and polyether type defoaming agent 1-7%.

The invention relates to a concentrated solution drying system utilizing smoke waste heat to concentrate desulphurization waste water. The concentrated solution drying system comprises a flue heat exchanger, an evaporator group, a tail gas condenser, a tail gas condensation tank and a desulphurization waste water drying system, wherein a desulphurization waste water pipeline and a flue heater areconnected with the evaporator group, steam treated by the evaporator group successively enters the tail gas condenser and the tail gas condensation tank, and the desulphurization waste water concentrated solution treated by the evaporator group enters the desulphurization waste water drying system; the flue heat exchanger utilizes the smoke waste heat to heat the desulphurization waste water in the evaporator group; the evaporator group separates impurities from the desulphurization waste water in an evaporation manner; the tail gas condenser cools and condenses the evaporated steam; the tailgas condensation tank stores the condensed water and sends the condensed water into a finished product water tank; and the desulphurization waste water concentrated solution in the desulphurization waste water drying system is sprayed into a drying space to be mixed with flying ash to form solid powder to be collected. By adopting the concentrated solution drying system, no waste solid, waste water and waste gas is generated in the technological process, the condensed water evaporated by the waste heat of the smoke is completely recycled, the investment expense is low, and the maintenance costis low.

The invention relates to an industrial secondary refrigerant. The industrial secondary refrigerant is composed of, by weight, 80 to 99% of glycol alkyl ether or propylene glycol alkyl ether compounds, 0.1 to 5% of a corrosion scale inhibitor and 0.9 to 10% function-adjusting liquid. According to the invention, the secondary refrigerant is added with the environment-friendly corrosion scale inhibitor which is harmless to the environment and human body, and the corrosion scale inhibitor can adsorb on metal surface and forms a physical adsorption protective film, so dissolved oxygen is blocked from diffusion to the metal surface; meanwhile, a compact passivation antirust film is generated through oxidation reduction reaction of the corrosion scale inhibitor with the metal surface, so metal oxidation is inhibited; moreover, the industrial secondary refrigerant provided by the invention also selects and uses the glycol alkyl ether or propylene glycol alkyl ether compounds with low viscosity, so effects of cold carrying and heat exchanging are guaranteed. The industrial secondary refrigerant in the invention is suitable for being used as the secondary refrigerant applied in industry under minus 80 to 200 DEG C, and an indirect heat transfer system in chemical industrial production and medicinal synthesis process. The secondary refrigerant is non-toxic and harmless, has excellent and safe heat transfer property and good fluidity at low temperature, does not precipitate and scale, and has the characteristics of environmental protection, cold carrying, heat transfer, corrosion inhibition, bacterial inhibition, low viscosity, corrosion resistance, etc.

The invention relates to a double-tower cycle fluidized bed flue gas desulfurization method and a device, which comprises a desulfurization reaction tower, a sprayer, a digestor, a revert unit, a gas-solid separator and a ash hopper thereof, and is characterized in that the dirty flue gas discharged by combustion equipment is divided into two parts: wherein one part enters into the king tower, and the other part enter into the tail tower formed by the ash hopper of the gas-solid separator. The advantage is that the flue gas can move is a lower temperature in the desulfurization reaction king tower, the efficiency of desulfurization is high, and volume of the king tower is small; the cycle ash can be heated effectively in the ash hopper, has a good fluidity without the defect of glue, fouling and corrosion, and the reliability of the device is well; and the invention can greatly reduce the electric heating power and energy consumption of desulfurization.

The present invention relates to the field of concentration by evaporation technology. Said equipment is mainly composed of hot-air indirectly-heating hot-blast furnace, evaporator, condenser and hot-air transferring equipment. The hot-air outlet of indirectly heat-exchanged hot-blast furnace is connected with evaporator by pipeline, the outlet of evaporator is connected with condensation heat-exchanger, and the air outlet of condenser is connected with blower fan by pipeline, so that they are formed into the connected evaporation and condensation system.

The invention relates to a water-saving toilet stool, in particular to a water-saving toilet stool using micro-quantity of water, which is suitable for hotels, households, enterprises and public institutions, public toilets and the like. The water-saving toilet stool comprises a toilet stool, a water tank, a water pump, a booster jar, a foaming agent storage tank, a foam generator and a miniature air pump, wherein a sanita is arranged in the middle of the toilet stool; a foam input joint is arranged on the upper part of the sanita; a flushing channel is formed inside the upper part of the sanita; a movable cover plate is arranged at the outlet of the sanita; a pedestal pan cover is arranged on the upper part of the sanita; the water tank, the foam generator, the foaming agent storage tank and the miniature air pump are arranged on the upper part in the rear tank of a pedestal pan; the water pump and the water booster jar are arranged on the lower part of a toilet stool shell; the water tank is provided with a water tank body; a float valve is arranged inside the water tank body; a water inlet is formed on the water tank body and is communicated with tap water; a first water outlet is connected with the water pump; a second water outlet is connected with the foam generator through a second check valve and supplies water to the foam generator; and the second check valve prevents liquid in the foam generator from flowing into the water tank.

Disclosed is a carbon fiber instant-heating-type water boiler. A shell comprises a heat preservation water tank for water storage and heat preservation, a heat exchanger for conducting heat exchange on boiling water, a carbon fiber heating body utilizing far infrared ray for heating and a plurality of water pipes for conveying cold water and / or hot water. The carbon fiber instant-heating-type water boiler is characterized in that the heat preservation water tank and the heating body are independently arranged and communicated through a three-way pipe, and the three-way pipe is communicated with the heat exchanger. The flow direction of hot water is determined by detecting the temperature of water outflowing from the heating body, the water reaching the temperature is stored in the heat preservation water tank, and water not reaching the temperature flows back into the heat exchanger for heat exchange to become warm boiled water. In addition, the heat preservation water tank is provided with a supplementary heater, and the water not reaching the temperature is heated in a supplementary mode. Due to the structure, the temperature is ensured, water is prevented from being boiled repeatedly, and drinking water health is ensured; as the heating body utilizes far infrared ray for heating, incrustations will not be adsorbed; as the water is heated in a flowing mode, the heating efficiency is high, no incrustation is formed, and the carbon fiber instant-heating-type water boiler is durable and ensures the water quality.

The invention discloses a color-sensor-based automatic-titration device for detecting the intensity of stoving. The device comprises a precision sampling device, a cleaning device, a precision titration device, a color sensor, an embedded processor and output equipment. During detection, each of two liquid taking devices takes a quantitative sugarcane juice liquid and a quantitative starch liquid through measuring, the sugarcane juice liquid and the starch liquid are conveyed to a titration bottle through a peristaltic pump, an iodine solution is slowly titrated into the titration bottle through a measuring injection pump, and quick stirring is carried out for reaction; the embedded processor is used for turning off a titration injection pump according to color change signals of the liquid reactants at titration end points, which are transmitted by the color sensor in real time, so as to obtain the accurate intensity of stoving, and powerful technical supports and guarantees are provided for the production of sugar enterprises.

The invention relates to a VCM purification hydrochloric acid full-resolution device and process. The VCM purification hydrochloric acid full-resolution device comprises a concentrated hydrochloric acid resolution system and a dilute hydrochloric acid vacuum concentration system, wherein the concentrated hydrochloric acid resolution system comprises a two-way heat exchanger, a concentrated hydrochloric acid resolution tower, a first-stage hydrogen chloride cooler, a second-stage hydrogen chloride cooler and an acid mist separator which are in communication with each other in sequence, and thelower part of the two-way heat exchanger is in communication with a dilute acid intermediate tank through a dilute acid cooler; the dilute hydrochloric acid vacuum concentration system comprises a dilute hydrochloric acid concentration tower, a water vapor condenser, a waste water intermediate tank and a waste water cooler, the dilute acid intermediate tank is in communication with the dilute hydrochloric acid concentration tower, the bottom of the dilute hydrochloric acid concentration tower is in communication with the concentrated hydrochloric acid resolution tower, and the dilute hydrochloric acid concentration tower is connected with the water vapor condenser and the waste water intermediate tank sequentially, and the waste water intermediate tank is in communication with the dilute hydrochloric acid concentration tower and the waste water cooler. The VCM purification hydrochloric acid full-resolution device is free of waste liquid containing mercury-diluted calcium chloride, andhas the advantages of low failure rate, long-term continuous operation, short process flow, small occupied area and small investment and the like.