154 results about "Liquid chlorine" patented technology

The present application relates to the field of crane pipe leak testing, and specifically discloses a crane pipe leak testing system for liquid chlorine unloading. The crane pipe includes a fixed pipe and a movable pipe, and a heat insulation structure is arranged on the fixed pipe and the movable pipe; the heat insulation structure is used to insulate the inside of the fixed pipe and the movable pipe; a temperature detection component for obtaining the temperature of the heat insulation structure is arranged at the heat insulation structure; a socket matching the filling port of the tank truck is formed on the fixed pipe; the movable pipe is inserted into the socket so that the fixed pipe and the movable pipe form a closed loop; a gas thermal imaging component is arranged on the fixed pipe, and the gas thermal imaging component forms a gas detection area, and the gas detection area covers the movable pipe. The present application has the effect of ensuring that the liquid chlorine will not be vaporized when unloading the truck, and better protecting the crane pipe, while using the temperature detection component and the gas thermal imaging component to detect the temperature outside the heat insulation structure, and when the crane pipe leaks, it will cause the temperature outside the heat insulation structure to change significantly, thereby using liquid chlorine to directly perform leak testing.

The utility model discloses a chlorine gas vaporization energy-saving device, comprising a chlorine gas vaporization device and a chlorine gas buffer tank, wherein the chlorine gas vaporization device and the chlorine gas buffer tank are connected, the chlorine gas vaporization device is a parallel double-channel structure, the tube side of the chlorine gas vaporization device is connected to the liquid chlorine gasification pipeline, and the shell side of the chlorine gas vaporization device is connected to the hot water pipeline. The utility model has a simple and reliable structure, which not only fully recycles the sensible heat of steam condensed water, effectively reduces steam energy consumption, and greatly reduces the cost of steam use, but also realizes controllable temperature and pressure of chlorine gas vaporization, and solves the safety and environmental protection problem of nitrogen trichloride accumulation and emission in the chlorine gas vaporization process.

The utility model relates to an electronic-grade chlorine gas production device which comprises a vaporizer used for vaporizing and heating raw material liquid chlorine to obtain high-pressure chlorine gas; the pre-purifier is connected with the vaporizer and is used for pre-purifying the vaporized high-pressure chlorine; the first-stage heavy component removal system is connected with the pre-purifier and is used for removing heavy components from the purified high-pressure chlorine; and the second-stage light component removal system is connected with the first-stage heavy component removal system and is used for removing light components from the high-pressure chlorine subjected to heavy component removal treatment to obtain rectified liquid chlorine. The device integrates raw material vaporization, adsorption separation and rectification separation, continuous production can be achieved, and the produced electronic-grade chlorine meets the energy-saving and environment-friendly standard.

A synthesis method for phosphorus pentafluoride and a synthesis device therefor. The synthesis method comprises: continuously feeding hydrogen fluoride, liquid chlorine and liquid yellow phosphorus into a reactive distillation tower to perform a reaction, so as to obtain phosphorus pentafluoride gas, wherein the molar ratio of hydrogen fluoride, liquid chlorine and liquid yellow phosphorus is 8-12:4-6:1-3. By using hydrogen fluoride, liquid chlorine and liquid yellow phosphorus as raw materials, liquid yellow phosphorus reacts with liquid chlorine in advance in a reactive distillation tower and the resulting product then reacts with hydrogen fluoride, thereby synthesizing phosphorus pentafluoride gas by means of a one-step method. The preparation process is simple, and the synthesis device has a stable and reliable structure and is very suitable for large-scale production, implementation and use.

The invention relates to the technical field of liquid chlorine gasification, and provides a liquid chlorine gasification system which comprises a first containing box, the first containing box is provided with a plurality of containing spaces, the containing spaces do not communicate with one another, and the containing spaces are used for containing first heat exchange media; the first pipeline is provided with a first inlet and a first outlet, the first inlet is communicated with the liquid chlorine storage tank, the first outlet is used for discharging chlorine, and the first pipeline sequentially penetrates through the containing spaces; the second pipeline is provided with a second inlet and a second outlet, the second pipeline sequentially penetrates through the multiple containing spaces, and the second pipeline is used for circulating a second heat exchange medium; the second inlet and the first outlet are located on the same side of the first containing box, and the second outlet and the first inlet are located on the same side of the first containing box. By means of the technical scheme, the technical problem that in the prior art, liquid chlorine in a coil pipe is rapidly gasified, and consequently pressure rises sharply is solved.

The invention relates to the technical field of robot control and safety inspection, and discloses a robot control method and system for liquid chlorine warehouse inspection and a storage medium. The method comprises the following steps: acquiring gas concentration distribution and obstacle position data in a liquid chlorine warehouse through a sensor, and generating a dynamic environment feature set; constructing a real-time three-dimensional environment map according to the dynamic environment feature set, extracting leakage region boundary information from the real-time three-dimensional environment map, and determining a high-risk region set; generating an initial path candidate set for the high-risk region set, and determining a low-risk inspection route according to the initial path candidate set; guiding a robot to navigate to a container position according to the low-risk inspection route, and acquiring container surface image data; and extracting identification information and batch codes from the container surface image data, and generating an inspection verification result. According to the invention, accurate, real-time and safe inspection and monitoring can be realized through the robot in a dynamic, complex and high-risk liquid chlorine warehouse environment.

The invention provides a preparation method of chlorinated paraffin 70 with a high softening point, and belongs to the technical field of chlorinated paraffins.The preparation method comprises the steps that S1, mixed wax is provided, and raw materials of the mixed wax are Fischer-Tropsch wax and petrochemical wax; s2, feeding the mixed wax into a reactor, then turning on an ultraviolet lamp in the reactor for irradiation, after liquid chlorine is gasified to form chlorine, feeding chlorine into the reactor, heating and carrying out segmented control reaction; s3, after the reaction is finished, blowing air into the reactor, then washing a reaction product with water, and then adding a compound stabilizer into a crude product obtained by washing with water, so as to obtain chlorinated paraffin 70; the chlorine content of the chlorinated paraffin 70 is not less than 69.5%, the softening point is not less than 98 DEG C, and the acid value is not more than 0.1 mgKOH / g. According to the method, hot chlorination and photo-initiation are combined, so that the chlorine content and the softening point of the product are controllable, the production efficiency is high, the reaction speed is high, the reaction temperature is reduced, the production period is shortened, and the product quality is stable.

The utility model provides a production system of food-grade hydrochloric acid. The system comprises a vinyl chloride production device, a pressure swing adsorption device, an electrolysis device, a washing tower, a hydrogen buffer tank, a chlorine buffer tank, a liquid chlorine compression device, a hydrogen chloride synthesis furnace and a hydrogen chloride falling film absorber. An outlet of the vinyl chloride production device is connected with the pressure swing adsorption device, a hydrogen outlet of the pressure swing adsorption device is connected with the hydrogen buffer tank, a hydrogen outlet of the electrolysis device is connected with a gas inlet of the washing tower, and an outlet of the washing tower is connected with the hydrogen buffer tank. A tail gas outlet of the liquid chlorine compression device is connected with the chlorine buffer tank, outlets of the hydrogen buffer tank and the chlorine buffer tank are connected with a gas inlet of the hydrogen chloride synthesis furnace, and a gas outlet of the hydrogen chloride synthesis furnace is connected with the hydrogen chloride falling film absorber. According to the invention, efficient production of food-grade hydrochloric acid is realized.

The utility model belongs to the field of chemical raw material recovery, and discloses a system for separating salt and extracting bromine from purified terephthalic acid membrane concentrated water. The system comprises a thermal decomposition device, a nanofiltration device, a static mixer and a bromine extraction rectification device. The utility model solves the technical problems that the acid consumption is large before bromine is extracted from purified terephthalic acid wastewater, and poisoning is easily caused by leakage hidden danger in the transportation and storage process of liquid chlorine.

In order to solve the problem that nitrogen trichloride is accumulated in the chlorine buffer tank, the chlorine buffer tank capable of preventing nitrogen trichloride from being accumulated comprises a buffer tank body, the upper end of the buffer tank body is connected with an air inlet pipe, an exhaust pipe and a pressure gauge, and the lower portion of the buffer tank body is connected with a blow-off pipe; the inner extending pipe is located on one side of the interior of the buffer tank body and is distributed in the vertical direction, and the upper end of the inner extending pipe is connected with the exhaust pipe; the inclined pipe and the inner extending pipe are arranged in an inclined mode, one end of the inclined pipe is connected with the inner extending pipe, and the other end of the inclined pipe is located over an inlet of the blow-off pipe; the liquid level meter is used for detecting the liquid level height in the buffer tank, chlorine is introduced to the position above the lowest point of the bottom of the chlorine buffer tank body through the inner extending pipe and the inclined pipe, the disturbance effect of the chlorine on liquid chlorine at the bottom of the buffer tank body is further improved through inclined arrangement of the inclined pipe, and therefore residual accumulation of the liquid chlorine is reduced; and the safety risk of nitrogen trichloride is reduced.

The chlorine purification device comprises a raw material tank, a vaporizer, a heavy component removal tower, a light component removal tower, a condenser, a reboiler and a finished product tank. The raw material tank is used for storing untreated liquid chlorine, the liquid chlorine enters the vaporizer for heat exchange to obtain chlorine, the chlorine enters the heavy component removal tower for rectification separation, and trace water, nitrogen trichloride, metal ions and other heavy components in the chlorine are discharged from a tower kettle of the heavy component removal tower in the rectification separation process; the chlorine after heavy component removal flows into a light component removal tower after being treated by a first condenser, oxygen, nitrogen, argon, hydrogen, carbon monoxide, carbon dioxide and hydrocarbon gases are discharged by the light component removal tower and a second condenser, and the generated chlorine enters a finished product tank to be stored for later use. Chlorine can be purified by using a relatively simple process, and environmental pollution cannot be caused in the purification process.

The invention discloses a liquid chlorine conveying corrugated pipe stop valve and a sealing method, the liquid chlorine conveying corrugated pipe stop valve comprises a valve body, a valve cover and a valve rod component, and further comprises a fixing piece, a first sealing component and a second sealing component, the fixing piece is located in the valve body and divides a valve cavity into an upper cavity and a lower cavity; the first sealing component is located in the lower cavity and provided with a first corrugated pipe. The first corrugated pipe is sleeved on the outer side of the valve rod component and is welded and connected between the fixing piece and the valve clack in a sealing manner; the valve rod part penetrates through the fixing piece; and the second sealing part is positioned in the upper cavity and is used for sealing the peripheral side of the valve rod part. According to the liquid chlorine conveying corrugated pipe stop valve and the sealing method, the structure is simple and compact, the overall sealing performance is improved through three-layer sealing of the valve cavity in the stop valve, and the situation that sealing fails due to long-time use of a single corrugated pipe is avoided; and the elastic sealing contact can compensate the abrasion and deformation of the valve clack and the valve seat after long-time use, so that the reduction of the sealing performance is avoided.

The utility model discloses a kind of liquid chlorine filling anti-leakage intelligent connecting devices, including liquid chlorine storage tank, the top of the liquid chlorine storage tank is equipped with connecting pipe, fixed ring is sleeved on the connecting pipe, the connecting pipe is equipped with cover plate, locking mechanism is installed on the side of the cover plate, filling mechanism is installed on the cover plate, first locking sleeve is sleeved on the filling mechanism, second locking sleeve is installed in the first locking sleeve, the second locking sleeve is fixed with feed pipe. The utility model is through the buckle type design of locking mechanism and fixed ring, realize the even locking and quick disassembly of cover plate and connecting pipe, effectively avoid the uneven stress and wear problem of traditional sealing structure;Filling mechanism is matched with double locking sleeve and shut-off valve, forms multilayer sealing system, in combination with the sealing seat and sealing ring of rubber material, significantly improve the anti-leakage performance under high pressure.

The invention discloses an intelligent alkali liquor adding system based on real-time monitoring and feedback control of a mercuric chloride production section, which comprises a liquid chlorine supply system and raw material pretreatment systems in sequential pumping connection, and the system can dynamically and accurately match fluctuating chlorine load in tail gas; and the problem that the addition amount of the alkali liquor is not matched with the chlorine concentration is effectively solved. The chlorine gas absorption efficiency is remarkably improved, up-to-standard discharge is ensured, the consumption of the alkali liquor is greatly reduced, the operation cost and the wastewater treatment burden are reduced, and the double improvement of economic benefits and environmental benefits is realized.

The present invention discloses a liquid chlorine gasification safety maintenance and treatment system and a treatment method, which include a storage bin, an absorption pump, a chlorine gas absorption tower, and a hydrochloric acid absorption tower. The absorption pump transports the leaked chlorine gas to the chlorine gas absorption tower, and the chlorine gas absorption tower is connected to the hydrochloric acid absorption tower. The hydrochloric acid absorption tower includes a gas-liquid distribution chamber, an absorption and cooling chamber, graphite absorption strips, and two switching plates. The gas-liquid distribution chamber and the absorption and cooling chamber are separated by one switching plate. A plurality of graphite absorption strips are arranged between the two switching plates. The graphite absorption strips have a large-diameter curved surface, a small-diameter curved surface, a large-diameter docking surface, and a small-diameter docking surface. The large-diameter curved surfaces and the small-diameter curved surfaces of each graphite absorption strip can respectively form cylindrical barrels with different diameters. The switching plate includes a general lining plate, a switching baffle, and a belt moving component. The general lining plate is provided with a plurality of through holes in an array, the switching baffle is provided with a plurality of docking ports, and four through grooves are arranged on the periphery of the through holes. The belt moving component is installed in the through grooves.

The utility model relates to the technical field of liquid chlorine conveying, and discloses a liquid chlorine conveying device for producing chlorinated polyethylene, which comprises a liquid chlorine conveying pipe and a support plate, a fixing sleeve is fixedly mounted on the outer surface of the liquid chlorine conveying pipe, and a connecting sleeve is movably mounted in the fixing sleeve. Compared with a traditional device, the liquid chlorine conveying pipe and the connecting pipe can be in butt joint conveniently through the wedge block, the second spring, the third spring and the fixing groove, so that the tedious installation process is simplified, the installation time and the labor cost are remarkably reduced, and the device can be put into use rapidly; the liquid chlorine conveying device is simple in structure and convenient to use, tight connection between the connecting pipe and the liquid chlorine conveying pipe is guaranteed, the sealing performance of equipment is enhanced, the leakage risk is effectively avoided, safe conveying of liquid chlorine is guaranteed, in addition, the design facilitating butt joint greatly facilitates follow-up maintenance and overhaul work, and the maintenance difficulty and cost are reduced.

The utility model relates to the technical field of liquid chlorine treatment, in particular to a liquid chlorine steel cylinder treatment device and a using method. The device comprises a liquid chlorine steel cylinder, a gravity sensing base for sensing the weight of the liquid chlorine steel cylinder, and an evacuating and replacing unit which is communicated with the liquid chlorine steel cylinder and is used for removing residual chlorine in the liquid chlorine steel cylinder, the neutralizing unit is communicated with the liquid chlorine steel cylinder and is used for neutralizing residual chlorine; the purging and drying unit and the air tightness checking unit are sequentially arranged at the downstream of the evacuating and replacing unit; the liquid chlorine steel cylinder is provided with a gas-phase cylinder valve and a gas-phase distribution pipe which are communicated with the evacuation and replacement unit, and a liquid-phase cylinder valve and a liquid-phase distribution pipe which are communicated with the neutralization unit. The liquid chlorine steel cylinder treatment device has the effect of solving the problems that existing liquid chlorine steel cylinder treatment is tedious in operation and low in efficiency, and potential safety hazards exist.

The invention belongs to the technical field of gas leakage safety protection, and particularly relates to a water curtain spraying system based on the chlorine leakage condition of a liquid chlorine storage area, which deduces the predicted diffusion principal axis direction of a chlorine cloud cluster and the predicted concentration distribution situation along the axis by analyzing leakage points and three-dimensional wind field information, establishes a plurality of virtual interception planes perpendicular to the principal axis, and provides a water curtain spraying system based on the chlorine leakage condition of the liquid chlorine storage area. According to the predicted diffusion concentration distribution situation, determining a target contour area needing to be covered by the water curtain on each virtual interception plane, projecting a preset spraying range of each nozzle of the fixed water curtain belt to the virtual interception plane to form a fixed coverage area, and activating a nozzle group of which the coincidence degree with the corresponding target contour area meets a condition as a main interception unit, for the gap area which is not fixedly covered, coordinates and spraying angles are planned and deployed for the movable water curtain, water curtain spraying operation is executed, the protection effect of the water curtain is evaluated and fed back, and dynamic, efficient and accurate interception and decontamination of chlorine cloud cluster diffusion can be achieved.

The utility model relates to an automatic control system for safe delivery of a liquid chlorine tank truck, which is characterized in that the pressure display of the liquid chlorine tank truck is sent to related personnel in real time through a 5G communication technology, the pressure can be remotely monitored in real time, overpressure of chlorine can be found in time, and alarm reminding can be carried out; and a nearest production enterprise with chlorine pressure relief acceptance capability is automatically searched on a map.

The invention relates to the technical field of organic synthesis, in particular to the field of IPC C07D239, and more particularly relates to a synthesis method of a phenyl isoxazoline compound. Comprising the following steps: step 1, using a benzaldehyde compound as an initial raw material, and reacting with hydroxylamine hydrochloride to generate a benzaldoxime compound; 2, carrying out a chlorination reaction on the benzaldoxime compound generated in the step 1 and liquid chlorine through a microchannel reactor to generate a chlorinated benzaldoxime compound; and 3, carrying out ring closing on the chlorobenzaldoxime compound generated in the step 2 and an alkene compound to obtain the phenyl isoxazoline compound. A metal catalyst is not used in the preparation method, so that the solid waste treatment cost is reduced; in the step 2, a continuous flow reaction technology of a microchannel reactor is adopted, the reaction time is shortened, compared with a kettle type intermittent process, the productivity is greatly improved, and the reaction safety is higher.

This invention provides a liquid chlorine storage material for separating and storing chlorine from chlorine-containing gases. The material is a mixed ionic liquid composed of at least one organic salt and one additive, wherein the organic salt is selected from one or more quaternary ammonium salts, and the additive is a metal chloride. The chlorine storage material is liquid at 25°C and a pressure of 1000±100 hPa. This invention provides a storage medium with a high chlorine storage rate, high chlorine storage density, simple release conditions, and high chlorine purity. This storage medium effectively reduces the saturated vapor pressure of chlorine at room temperature, improving the safety of chlorine transportation and use.

The invention relates to a method for preparing chlorine by using hydrogen chloride and oxygen, which belongs to the technical field of treatment and utilization of hydrogen chloride, and comprises the following steps: step 1, mixing hydrogen chloride gas and oxygen, inputting the mixture into a reactor filled with a copper-based catalyst at the temperature of 260-400 DEG C and the pressure of 0-1.0 MpaG, and carrying out catalytic oxidation on the hydrogen chloride gas to form chlorine and water vapor; and 2, separating water vapor, incompletely reacted hydrogen chloride gas and oxygen, and rectifying to obtain liquid chlorine, namely cooling in a quench tower and absorbing hydrogen chloride, absorbing water vapor in a drying tower, and separating oxygen in a chlorine rectifying tower to obtain liquid chlorine. After the copper-based catalyst is used, the reaction air speed is high, the space time yield (STY) is larger than 5.6 gcl2 / gcat.h, the hydrogen chloride conversion rate is larger than or equal to 93 wt%, the hydrogen chloride conversion rate is high, the catalyst dosage is small, the cost of the copper-based catalyst is lower, and the whole technological process is short, low in energy consumption and low in operation cost.

This invention discloses a process for preparing chlorides by reducing chlorination with rare metal oxides, comprising the following steps: S1, in an inert atmosphere, a mixture containing rare metal oxide powder, a reducing agent, and a chloride salt is subjected to a reduction reaction at a predetermined temperature 1; S2, the temperature is lowered to a predetermined temperature 2, oxygen is introduced, and the concentration of oxygen in the mixed gas is adjusted to carry out a chlorination reaction, and the chlorinated product is condensed and collected. This invention eliminates the need for gaseous chlorinating agents such as chlorine or hydrogen chloride, avoiding the leakage risks of liquid chlorine and compressed hydrogen chloride during storage and transportation; the raw materials can be directly rare metal oxides, with a wide range of sources, good process adaptability, and significantly reduced production costs.

The utility model discloses a vaporization device for liquid chlorine raw materials, which relates to the technical field of vaporization of liquid chlorine raw materials and comprises a vaporization cylinder, a water inlet pipe is fixed at the bottom of the outer side wall of the vaporization cylinder, a drain pipe is fixed at the top of the outer side wall of the vaporization cylinder, and a liquid chlorine inlet pipe is fixed at the bottom of the outer side wall of the vaporization cylinder in a penetrating manner. A chlorine discharge pipe is fixed to the top of the outer side wall of the vaporization cylinder in a penetrating mode, a spiral pipe is fixed between the end of the liquid chlorine inlet pipe and the end of the chlorine discharge pipe, a turbulent flow mechanism is fixed to the top of the vaporization cylinder, and a flow division buffering mechanism is fixed to the outlet end of the chlorine discharge pipe; according to the vaporization device for the liquid chlorine raw material, water in the vaporization cylinder is disturbed through the arrangement of the turbulent flow mechanism, so that all parts of an internal water body are mixed, the temperature of all parts of the internal water body is guaranteed to be uniform during vaporization heat absorption, and the situation that the vaporization effect is affected due to uneven heating is avoided.

The utility model relates to the technical field of chlor-alkali plants, in particular to a high-energy-efficiency chlor-alkali plant freezing device which comprises a freezing box, a circulating mechanism is arranged in the freezing box, a stirring mechanism is arranged in the freezing box, the circulating mechanism comprises a box body, and the box body is fixedly installed at the top end of the freezing box. A first pump body is fixedly installed at the top end of the freezing box, a water inlet pipe of the first pump body communicates with the box body, a first guide pipe and a second guide pipe are rotationally connected to the side face of the freezing box, and one end of the first guide pipe and one end of the second guide pipe both penetrate through the inner wall of the freezing box. According to the chlorine gas cooling device, the circulating mechanism is arranged, so that the aim of driving refrigerating fluid to circularly flow in the freezing box is achieved, the aim of cooling and circularly flowing liquid chlorine gas is facilitated, and the aim of cooling the liquid chlorine gas is facilitated; the purpose of improving the liquidity of the liquid chlorine is achieved, and the freezing effect of the liquid chlorine is improved.

The utility model discloses a liquid chlorine gasifier for chemical production, which comprises a main body module, the main body module comprises a barrel, a liquid inlet pipeline mounted on one side of the barrel and communicated with an inner cavity of the barrel, an exhaust pipe mounted on one side of the barrel and communicated with the inner cavity of the barrel, a bottom shell fixed at the bottom end of the barrel, and a top shell fixed at the top end of the barrel; the heat exchange pipes are installed in an inner cavity of the barrel in an annular array mode, the two ends of each heat exchange pipe extend out of the barrel to communicate with the bottom shell and the top shell correspondingly, the box body is fixed to one side of the barrel through a support, the pump machine is installed at the bottom end of the box body, and the temperature control assembly is installed on the box body and extends into an inner cavity of the box body. The liquid chlorine gasifier for chemical production has the advantages that the liquid chlorine gasifier is high in gasification efficiency and high in practicability, gasified chlorine is prevented from seeping out, the barrel is composed of an outer-layer shell, a middle-layer shell fixed to the inner side of the outer-layer shell and an inner-layer shell fixed to the inner side of the middle-layer shell, and the liquid chlorine gasifier for chemical production has the advantages of being high in gasification efficiency and high in practicability.

The utility model relates to a liquid chlorine vaporization refrigeration energy-saving and consumption-reducing system which comprises a chlorine vaporizer, the bottom of the chlorine vaporizer is communicated with a chilled water return pipeline or a circulating water feeding pipeline, and the top of the chlorine vaporizer is communicated with the chilled water feeding pipeline or the circulating water return pipeline; the lower part of the chlorine vaporizer is communicated with a chlorine liquid conveying pipeline, and the upper part of the chlorine vaporizer is communicated with a chlorine gas conveying pipeline. The chlorine vaporizer is adopted, the lower portion of the chlorine vaporizer is communicated with the chilled water return pipeline or the circulating water feeding pipeline, and the upper portion of the chlorine vaporizer is communicated with the chilled water feeding pipeline or the circulating water return pipeline. Low-temperature chilled water or circulating water is used for replacing steam to vaporize liquid chlorine, so that the steam is not used; and the device can be used as a low-temperature chilled water cold source, so that the purposes of energy conservation and consumption reduction are achieved.

The invention discloses a method for leaching nickel concentrate by using wet chlorine, and belongs to the field of hydrometallurgy. The problems that the liquid chlorine use cost is high, the chlorine overflow risk exists in the vaporization heating process, and the effective utilization rate of the vaporized chlorine and the raw material reaction is low are solved. The method comprises the steps that nickel concentrate and copper removal tailings are mixed, slag flushing is conducted through new water, and slurry automatically flows into a slurrying tank and then is slurried; after slurrying, returning feed liquid into the reaction kettle for stirring, preparing liquid caustic soda as absorption liquid in the two-stage absorption tower, and opening a tail gas absorption fan and a tail gas absorption pipeline valve of the reaction kettle; introducing steam and wet chlorine into the reaction kettle to react with the feed liquid; and returning the reacted feed liquid into a filter press for solid-liquid separation to obtain a leaching solution and leaching residues. By replacing common liquid chlorine with wet chlorine generated in the industrial production process, the problems of high liquid chlorine use cost, chlorine overflow risk in the vaporization heating process, low effective utilization rate of the vaporized chlorine and raw material reaction and the like are solved.

The utility model discloses an energy-saving production device for refining and deoxidizing liquid chlorine, which belongs to the technical field of liquid chlorine refining and comprises a chlorine heating device, a chlorine and liquid chlorine hedging and impurity removing device, a chlorine liquefying device and a liquid chlorine circulating device. The chlorine heating device is used for conveying high-temperature chlorine into the chlorine liquid chlorine hedging and impurity removing device through a pipeline; the liquid chlorine circulating device is used for continuously conveying liquid chlorine into the chlorine and liquid chlorine hedging and impurity removing device through a pipeline; in the chlorine and liquid chlorine hedging and impurity removing device, liquid chlorine absorbs high-temperature chlorine to be vaporized and then completes countercurrent hedging with continuously conveyed liquid chlorine, impurities in the liquid chlorine are taken away, and the liquid chlorine subjected to impurity removal is conveyed to a user side through a pipeline. The liquid chlorine refining and deoxidizing energy-saving production device can effectively solve the problems that in the prior art, heat of high-temperature chlorine at an outlet of a chlorine compressor is not effectively utilized in the liquid chlorine refining process, and sensible heat of the high-temperature chlorine is wasted; in the refining process, steam needs to be additionally introduced as a heat source, and the steam consumption is large.

The utility model relates to the technical field of chlorine preparation, and discloses chlorine gasification equipment which comprises a feeding pipe, one end of the feeding pipe is communicated with a dispersing pipe, the outer wall of the dispersing pipe is communicated with a conveying pipe, the other end of the conveying pipe is communicated with a vaporization pool, the inner wall of the vaporization pool is provided with a spiral pipe I, and the spiral pipe I is provided with a spiral pipe II. A first spiral pipe is arranged on the inner wall of the vaporization pool, a second spiral pipe is arranged on the inner wall of the vaporization pool, the two ends of the first spiral pipe and the two ends of the second spiral pipe communicate with circulating pools, one end of the first spiral pipe and one end of the second spiral pipe are each provided with a conveying pump, a gas conveying pipe is arranged at the upper end of the vaporization pool, and the other end of the gas conveying pipe communicates with a buffer tank. According to the utility model, the liquid chlorine is conveyed into the vaporization pool, and the spiral pipe I and the spiral pipe II are arranged in opposite directions, so that the temperature in the vaporization pool is uniform and stable, the vaporization efficiency is higher, and the vaporized chlorine is conveyed into the buffer tank through the gas conveying pipe and then is conveyed out from the buffer tank for application.