139 results about "Pressurizer" patented technology

A heating device includes a rotator, a heater including a main heat generating region to heat the rotator, a pressurizer including a conductive surface configured to contact the rotator to form a nip therebetween. Further, there is a charge eliminator, a contact part to contact the rotator. The charge eliminator contacts the conductive surface at a portion of the pressurizer, the portion being outside of the main heat generating region in a longitudinal direction of the heater. Further, the contact part contacts the rotator at a position corresponding to the portion in a longitudinal direction of the heater.

The utility model belongs to the technical field of valve sealing pressurization testing, and discloses a valve sealing pressurization testing device which comprises a base, a pressurizer fixedly arranged on the left side of the top end of the base, a water tank fixedly arranged on the right side of the top end of the base, positioning frames arranged inside the water tank, and a valve arranged between the two positioning frames in a butt joint mode. The left inflation end of the valve further comprises a butt joint assembly. The butt joint assembly comprises a limiting pipe fixedly arranged at an inflation inlet of the positioning frame, an inflation pipe, an air outlet pipe and a sealing ring structure in the butt joint assembly are matched, the inflation pipe in the pressurizer structure is effectively sealed, an air outlet hole of the air outlet pipe is sealed through the sealing ring, and therefore sealing protection before pressurization testing is completed, and the sealing performance of the pressurizer structure is improved. The problem of air leakage of the air inflation end of the pressurizer under the condition that positioning is not stable before a valve is installed for testing or in the pressurization testing process is avoided, and the number of judgment results of sealing pressurization testing conducted by operators due to unforeseen circumstances is reduced.

The invention discloses a method for preparing coke nuts by recovering coke powder and production equipment thereof, and relates to the technical field of energy preparation, the production equipment comprises a stirring mechanism, the stirring mechanism is provided with an extrusion port, the extrusion port is provided with a conveying track group, one end, far away from the stirring mechanism, of the conveying track group is provided with an ash falling box, and a dispersion screen is arranged in the ash falling box; the dry distillation tower is arranged at the output end of the ash falling box, the steam washing assembly is arranged on the dry distillation tower, the discharge port is formed in the dry distillation tower, the mixing box is arranged on the discharge port, the dosing pipe is arranged on the mixing box, the forming machine is arranged on the output port of the mixing box, the recovery plate is arranged at the bottom end of the forming machine, and the pressurizer is arranged on the recovery plate. The pressurizer is provided with a return pipe, the return pipe is communicated with the mixing box, the mixing box is provided with a combination feedback box, the combination feedback box is electrically connected with the dosing pipe and the mixing box through wires, and the device has the functions of layered dry distillation and forming feedback and automatic mixing proportion adjustment.

The invention discloses a self-heating type ammonia decomposition hydrogen production system applied to a mobile terminal in the technical field of ammonia hydrogen production. The system comprises an ammonia storage tank, a heat exchanger, a pressurizer, an ammonia fuel engine, a self-heating type ammonia decomposition reactor, a hydrogen buffer tank and a tail gas aftertreatment device, in the ammonia decomposition hydrogen production reactor, ammonia gas in an ammonia storage tank and hydrogen generated by ammonia decomposition are mixed and combusted to supply heat; tail gas generated after mixed combustion of ammonia and hydrogen in the ammonia fuel engine and the self-heating type ammonia decomposition reactor is used for preheating ammonia gas to enter the ammonia decomposition reactor, and then the tail gas is discharged after being treated by the tail gas treatment device; ammonia gas is supplied in three paths and is respectively used for hydrogen production through ammonia decomposition, combustion in an engine and combustion heat supply in a reactor; and hydrogen is used in two paths and is used for supplying heat for ignition fuel in the engine and combustion in the reactor respectively. The system fully considers the use requirement of the mobile terminal and energy recycling, and has the characteristics of compact structure, high energy utilization rate, adaptation to an ammonia fuel engine and the like.

The invention relates to a hydrolysis and activated carbon gas fine desulfurization method and device. The device comprises a pressure increasing machine, a heater, a hydrolysis reactor, a cooler, a front activated carbon desulfurization tank and a rear activated carbon desulfurization tank, a blast furnace gas pipeline is connected with a booster, an outlet of the booster is connected with a gas inlet of a heater, an outlet of the heater is connected with a hydrolysis reactor, and the heater is connected with an inlet steam pipeline and an outlet steam pipeline; an outlet of the hydrolysis reactor is connected with the cooler through an outlet gas pipeline; the outlet of the cooler is connected with the front activated carbon desulfurization tank and the rear activated carbon desulfurization tank; and the outlets of the front activated carbon desulfurization tank and the rear activated carbon desulfurization tank are connected with the rear-end main pipeline. The method has the advantages that the blast furnace gas is desulfurized by adopting the method, the desulfurization efficiency (the ratio of the desulfurization amount to the total sulfur of the gas) is greater than 98%, and the total sulfur at an outlet is less than or equal to 10mg / Nm < 3 >.

The utility model discloses a hydraulic butterfly valve testing device, which relates to the technical field of butterfly valve testing, solves the problems of low positioning efficiency and poor testing effect of the existing device, and adopts the following scheme that four groups of supporting legs are fixedly mounted on the top surface of a base, and a detection box is fixedly mounted on the top surfaces of the supporting legs; according to the hydraulic butterfly valve testing device, the sliding block, the moving block, the air cylinder and the infrared sensor are arranged, the infrared sensor senses the center position of the butterfly valve, then the sliding block and the moving block move to drive the sealing cover to move to a proper position, the air cylinder drives the sealing cover to move downwards, and therefore the top end of the butterfly valve is sealed; meanwhile, through the arrangement of a pressurizer, a water tank, a pressurizing pipe and a water pipe, water is injected into the butterfly valve through the water pipe, pressure is applied to the interior of the butterfly valve through the pressurizing pipe, then whether water exists in a collecting hole or not is sensed through a water sensor, the test is simple and convenient, the precision is high, and the effect is good.

The invention provides a pressurization storage tank and a pressure filling tank truck with the pressurization storage tank. The pressurization storage tank comprises a tank body, a liquid level detection device, a pressurization pipeline, a pressurizer and a liquid outlet valve. The liquid level detection device is used for detecting liquid level information in the tank body; one end of each pressurizing pipeline communicates with the bottom of an inner cavity of the tank body, the other end of each pressurizing pipeline communicates with the top of the inner cavity of the tank body, and the multiple pressurizing pipelines are arranged in parallel; the superchargers are communicated with the supercharging pipelines, and each supercharging pipeline is provided with one supercharger; the liquid outlet valves are communicated with the pressurizing pipelines and located on the upstream of the pressurizer, and each pressurizing pipeline is provided with one liquid outlet valve. When a worker uses the pressurizing storage tank to unload liquid, the superchargers with different numbers or different powers can be started and stopped according to the liquid level information detected by the liquid level detection device, so that the self-adaptive matching between the pressurizing capacity and the size of a gas phase space in the tank body is realized, and the whole liquid unloading process is more stable and efficient.

The purpose of the present invention is to suppress the solidification of a pressure medium and to perform a pressurization process at a required pressure. The isostatic pressing device (10) uses a pressure medium having the property that the higher the pressure is, the higher the viscosity is. An isostatic pressing device (10) is provided with: a pressure vessel (12) in which a processing space (12a) capable of accommodating a pressure medium is formed; a supercharger (14) that pressurizes the pressure medium in the processing space (12a) to obtain a set pressure; a first heater (37), which is provided in a high-pressure pipe (32) connecting the supercharger (14) and the pressure vessel (12), and which heats the pressure medium to a target temperature before the pressure medium is introduced into the processing space (12a); and a second heater (39) that is provided upstream of the first heater (37) in the high-pressure pipe (32) and heats the pressure medium before reaching the first heater (37).

The utility model provides a safety type gas water heater heat exchanger which comprises a water heater body and a heat exchanger, the heat exchanger is installed in the water heater body, a first water inlet pipe is arranged at the bottom of the heat exchanger, a filtering assembly is arranged at one end of the heat exchanger, and a second water inlet pipe is arranged at the bottom of the water heater body. The second water inlet pipe is connected with the filtering assembly through a supercharger; a first water outlet pipe is arranged on one side of the heat exchanger and connected with a second water outlet pipe at the bottom of the water heater body through a connecting pipe. A pressure sensor is arranged on the first water outlet pipe and electrically connected with a controller arranged on one side of the water heater body. According to the heat exchanger, the filtering assembly is arranged at one end of the first water outlet pipe, cold water needs to pass through the heat exchanger firstly and then enters the heat exchanger, double filtration of the cold water is achieved through the filtering assembly, various impurities in water can be intercepted, the chance that corrosive substances make contact with the heat exchanger is reduced, and the risk that the heat exchanger is corroded is reduced.

The present invention provides a feed gas pressurization system and a control method therefor, belonging to the technical field of low-carbon blast furnace feed gas processing equipment. The system comprises a gas supply pipeline and a liquid supplementation pipeline; a pressurizer has an inlet and an outlet, the gas supply pipeline and the liquid replenishing pipeline each being in communication with the inlet of the pressurizer; a heat recovery device has a first heat exchange channel and a second heat exchange channel for mutual heat exchange; a gas-liquid separator has a mixture inlet and a gas outlet, the outlet of the pressurizer is communicated with an inlet of the first heat exchange channel, an outlet of the first heat exchange channel being in communication with the mixture inlet of the gas-liquid separator, and the gas outlet of the gas-liquid separator being in communication with an inlet of the second heat exchange channel. The present invention purifies feed gas, and reduces the probability of subsequent equipment being blocked or failing due to impurities in the feed gas. At the same time, the purified feed gas is used to cool a gas-liquid mixture, which is beneficial for gas-liquid separation of the gas-liquid mixture, and fully utilizes heat absorbed by the gas-liquid mixture, to improve energy utilization efficiency.

The present application relates to a kind of nuclear power plant surge line nozzle heat shield sleeve structure and system, comprising: support ring, fluid distribution cover, heat shield sleeve, nuclear power plant surge line nozzle and cladding layer.The nuclear power plant surge line nozzle heat shield sleeve structure and system described above when actually used, through the one end of support ring and the cladding layer of surge line nozzle connection, the other end and fluid distribution cover connection, the one end of heat shield sleeve is inserted into support ring and is connected with support ring, to form gap between the other end of heat shield sleeve and the safety end of surge line nozzle, radioactive particles generated in the annular space between heat shield sleeve and surge line nozzle during reactor operation can be discharged from the gap, thereby avoiding the difficulty and cost of in-service inspection caused by the fact that the safety end of heat shield sleeve surge line nozzle forms a sealed space, so that the risk of high radiation faced by inspection and maintenance personnel is reduced.

A pressure control method and a pressure stabilizing control system. The method comprises: acquiring a pressure measurement value and a pressure setting value of a pressurizer (101); determining a pressure deviation value on the basis of the pressure measurement value and the pressure setting value (102); if the absolute value of the pressure deviation value is less than or equal to a first preset value, regulating the charging flow and the letdown flow of a circuit on the basis of the pressure deviation value and the pressure measurement value, so as to control the pressure of the pressurizer (103); and if the absolute value of the pressure deviation value is greater than the first preset value, on the basis of the pressure deviation value, controlling the pressurizer to inflate or deflate so as to control the pressure of the pressurizer (104). The method and the system can improve the pressure stabilizing effects of pressure stabilizing control systems.

The application discloses a method for reducing the maintenance frequency of a converter gas centrifugal pressure booster, and relates to the technical field of industrial automation control, comprising the following steps: obtaining the operation instruction of the converter gas centrifugal pressure booster and the pipe network pressure fluctuation data; determining the current working condition mode of the converter gas centrifugal pressure booster based on the pipe network pressure fluctuation data; generating a variable frequency control logic, including a segmented speed-up strategy and a segmented speed-down strategy corresponding to the working condition mode, wherein the segmented speed-up strategy and the segmented speed-down strategy both comprise a first speed stage and a second speed stage higher than the first speed stage, and the speed change rate of the second speed stage is smaller than that of the first speed stage; and calling the corresponding strategy from the variable frequency control logic to control the operation of the converter gas centrifugal pressure booster based on the operation instruction. Under the premise of guaranteeing the safe response of the pipe network pressure, the application significantly inhibits the unstable shedding of the attached objects and prolongs the dynamic balance maintenance period of the fan.

The application discloses a gas parameter adjusting method for a reaction kettle and belongs to the field of high-temperature and high-pressure equipment control. The gas parameter adjusting method for the reaction kettle adjusts and controls the gas temperature and pressure in the control kettle and the reaction kettle through adjusting the gas booster and the heating belt, realizes two-stage accurate regulation and control of the gas temperature, pressure, concentration and other parameters before and after entering the kettle and real-time dynamic supplement, guarantees high consistency between the test working condition in the kettle and the field working condition; on the other hand, the application solves the problem that the gas composition and the proportioning accuracy in the reaction kettle are reduced due to the fact that the mixed gas formed by the reaction medium solution volatilization and the reaction gas under the simulated actual working condition cannot be realized in real time and accurately during the reaction gas proportioning process, thereby guaranteeing the high consistency between the test environment in the reaction kettle and the actual working condition and the reliability of the test result, and significantly improving the safety.

The utility model discloses a fire hose pressure measuring pump which comprises a measuring pump assembly main body and a hose fixing base, the front surface of the measuring pump assembly main body is fixedly connected with an output pipe, and the front surface of the measuring pump assembly main body is connected with a pressure retaining valve in a limiting mode. A pressure release valve is connected to the front surface of the measuring pump assembly body in a limiting mode, a pressurizer is fixedly connected to the front surface of the measuring pump assembly body, a limiting assembly is movably clamped to the upper surface of the water hose fixing base in a limiting mode, and a clamping block is movably connected to the inner ring surface of the limiting assembly in a limiting mode; the inner ring surface of the limiting assembly is in limiting connection with a pressing block, and the inner ring surface of the limiting assembly is in limiting clamping connection with a limiting nut. According to the device, through the arrangement of the mounting plate fixedly connected with the back surface of the measuring pump assembly main body and the multiple mounting openings formed in the mounting plate in a penetrating mode, a user can conveniently carry out use limiting mounting on the mounting plate and the measuring pump assembly main body through bolts.

This invention discloses an automatic beveling device for repairing surfacing welds on pressurizer bushings, belonging to the technical field of nuclear power plant nuclear island maintenance equipment. The automatic beveling device includes a mechanical body comprising a clamping assembly, a rotating platform, a radial movement mechanism, an axial feed mechanism, a cutting head assembly, and a monitoring assembly. The automatic beveling device provided by this invention processes the surfacing weld into a spatial elliptical J-shaped bevel, laying the structural foundation for subsequent welding. It addresses the need for automatic beveling when repairing the bottom bushing of the pressurizer lower head using a cutting and surfacing welding method on-site. It provides an important automatic beveling function for on-site repair of the sealing weld of the pressurizer bushing, while also enabling remote control and monitoring, reducing the impact of personnel radiation dose.

The present disclosure belongs to the field of nuclear power technology, and specifically relates to a method and apparatus for determining the real-time leakage rate of a nuclear power plant's main system. The disclosed method for determining the real-time leakage rate of a nuclear power plant's main system determines the leakage rate of the nuclear power plant's main system during a detection period based on changes in the liquid level of the control box, the liquid level of the pressurizer, and the temperature of the primary circuit. Main system parameters can be collected in real time and the leakage rate of the main system calculated, thereby enabling timely and accurate monitoring of leakage in the main system, avoiding human error and reducing human radiation exposure. This method has been successfully used to monitor the real-time leakage rate of the main system of nuclear power plant units.

The invention relates to the field of novel silicon carbon deposition equipment, in particular to a gas external circulation system applied to a fluidized bed type silane deposition furnace, which comprises a bracket, a column type fluidized bed, a three-way pipe, a bearing frame, a cooler, a pressurizer, a heater, a breather pipe, an exhaust pipe and a gas injection pipe, a column type fluidized bed is mounted on the bracket; the column type fluidized bed is communicated with a three-way pipe; the support is provided with a bearing frame. The bearing frame is sequentially provided with a cooler, a pressurizer and a heater from top to bottom; the cooler, the pressurizer and the heater are jointly communicated with a breather pipe; the breather pipe and the column type fluidized bed are jointly communicated with an exhaust pipe; and the breather pipe and the three-way pipe are jointly communicated with an air injection pipe. The process gas is filtered through the dust collection cloth capable of being flexibly adjusted, and the problems that in the prior art, filtering dust removal equipment can be cleaned only after silane deposition furnace equipment is cooled, and non-stop cleaning or replacement of the filtering dust removal equipment cannot be achieved are solved.

The invention relates to the field of nuclear power equipment installation and maintenance, in particular to a quick wiring device for an electric heater of a voltage stabilizer. The device comprises a male plug and a female plug which can realize coupling; a jack is arranged at the front end of the male plug, at least one metal insertion rod is arranged in the jack, and a wiring end is arranged at the rear end of the metal insertion rod; an arc-preventing head is arranged at the head of the metal inserting rod; the end part of the female plug is provided with a plug-in part which can be inserted into the jack, the end part of the plug-in part is provided with a metal insertion tube, the metal insertion tube is internally provided with an elastic conductive sleeve, and the elastic conductive sleeve can be used for the insertion of the metal insertion rod and is in fit contact with the outer wall of the metal insertion rod; a plurality of arc-shaped elastic pieces protruding in the axis direction are distributed on the side wall of the elastic conductive sleeve in an annular array mode. A female plug shell is arranged outside the female plug, an insulating seat is arranged in the female plug shell, at least one second mounting hole is formed in the insulating seat, the metal insertion tube is mounted in the second mounting hole, and the insulating seat is made of a ceramic material. The device is high in safety efficiency, easy to replace and low in maintenance dependence.

The invention provides a multifunctional test bench for researching the performance of a primary loop voltage stabilizer of a reactor and a test method. The test bed is mainly composed of a water supplementing system, a main loop system, a steam and inert gas pressure stabilizing system and a drainage system. The test bench can be used for simulating the cold-state starting process of a primary loop of a traditional reactor, starting characteristics of the loop when a steam pressure stabilizer and an inert gas pressure stabilizer serve as the loop are obtained respectively, and a basis is provided for performance evaluation of different pressure stabilizers.

The invention discloses a feeding device and a feeding method for converter bottom blowing lime powder and oxygen. The feeding device comprises a combustion chamber, a combustor, a pressurizer and a mixer. The combustor is arranged in the combustion chamber, the pressurizer is provided with a pressurizing part for pressurizing gas, a pressurizing inlet and a pressurizing outlet, and the pressurizing inlet is communicated with a high-temperature gas outlet of the combustion chamber; the mixer is provided with a lime powder inlet, a pressurized gas inlet and a mixed outlet, the pressurized gas inlet is communicated with the pressurized outlet of the pressurizer, and the mixed outlet is used for being communicated with a bottom blowing gun of the converter. According to the feeding device, the problems that heat cannot be provided and the service life of a bottom blowing gun is short in a traditional converter bottom blowing oxygen lime powder process are solved, the steel scrap ratio of the converter is remarkably increased, the service life of the converter bottom is remarkably prolonged, meanwhile, the end point effect of the converter is improved, and the higher dephosphorization rate is achieved under the conditions that lime consumption is lower and slag T.Fe is lower.

This invention discloses a pressurized heat exchange hydrogen supply device and method for a solid-state hydrogen storage system, relating to the field of solid-state hydrogen storage technology. The device includes: a filter for filtering hydrogen output from the solid-state hydrogen storage system; a first hydrogen booster for increasing hydrogen pressure to a target range; a first heat exchanger for reducing the pressurized hydrogen to a preset temperature range; a regulating valve for regulating hydrogen flow rate; and a pressure transmitter, temperature transmitter, and flow meter for measuring hydrogen pressure, temperature, and flow rate, respectively. A PLC dynamically adjusts the operating status of the first hydrogen booster, the opening of the regulating valve, and controls the start and stop of the first heat exchanger. This invention integrates the pretreatment unit, the pressurized heat exchange unit, and the flow regulation unit into a single unit. It employs an automatic control system with a PLC controller at its core, combining the real-time acquisition of outlet parameters by the temperature transmitter, pressure transmitter, and flow meter to dynamically adjust the opening of the flow regulating valve, achieving constant control of the output pressure or flow rate.

The present invention belongs to the field of condensate removal technology and specifically discloses a vacuum pump condensate removal system, comprising a control terminal, a vacuum buffer tank, a condensate collection tank, an underground waste liquid collection tank, and several pump body assemblies, each pump body assembly comprising a vacuum pump and a vacuum pump inlet separator tank; a first solenoid valve is provided between the vacuum buffer tank and the condensate collection tank, a second solenoid valve is provided between the condensate collection tank and an external pressurizer, and a third solenoid valve is provided between the vacuum device and the condensate collection tank; a fourth solenoid valve is provided between the condensate collection tank and the underground waste liquid collection tank, and a fifth solenoid valve is provided at the second discharge port end of the bottom of the vacuum pump inlet separator tank; the first, second, third, fourth, and fifth solenoid valves are all connected to the control terminal. This system automatically and promptly removes condensate, allowing for thorough condensate removal even when the vacuum pump is operating, preventing damage to the vacuum pump caused by excessive condensate.

The invention belongs to the technical field of polyurethane waste treatment, and particularly relates to a device and method for oxidation treatment of polyurethane. The polyurethane oxidation treatment device comprises a polyurethane storage bin, a water purification tank, a preheater, an oxygen tank, a pressurizer and an oxidation kettle, a discharging opening of the polyurethane storage bin is communicated with a feeding opening of the oxidation kettle, and the polyurethane storage bin is used for conveying polyurethane waste into the oxidation kettle; purified water stored in the purified water tank is conveyed to the oxidation kettle after being heated by the preheater, and is used for providing supercritical water for the oxidation kettle; oxygen stored in the oxygen tank is pressurized by the pressurizer and then is conveyed to the oxidation kettle for providing high-pressure oxygen for the oxidation kettle. The device for oxidation treatment of polyurethane has the beneficial effects that the device for oxidation treatment of polyurethane can efficiently treat polyurethane under the low-temperature condition, meanwhile, pollutants such as nitrogen oxides can be prevented from being generated, and generated CO2 gas is purer and is convenient to capture so as to reduce the greenhouse effect.

The invention relates to a system for testing self-enhancement and residual stress attenuation of an ultrahigh-pressure reactor. The system comprises a self-enhancement processing unit and a residual stress attenuation testing unit, wherein the self-enhancement processing unit comprises a second pressure regulating valve, a second pressure gauge, a second filter, a 630MPa pressurization system, an ultrahigh-pressure relief valve, an ultrahigh-pressure sensor, various valves and connecting pipelines; the residual stress attenuation testing unit comprises a first pressure regulating valve, a first pressure gauge, a first filter, a 300MPa pressurizing system, an electromagnetic directional valve, a fatigue pressurizer, an ultrahigh pressure one-way valve, an ultrahigh pressure relief valve, an ultrahigh pressure sensor, various valves and connecting pipelines; the data measurement and control unit comprises flow measurement and control and pressure measurement and control. The device is compact in structure, convenient to operate, low in operation cost and reliable in performance, self-enhancement treatment can be conducted on the ultrahigh pressure reactor, residual stress attenuation testing can be conducted on the reactor under the working condition of 300 MPa, the two experimental working conditions can be freely switched, the pressure of an experimental working medium is increased rapidly, and fatigue life prediction of the ultrahigh pressure reactor can be conducted.

The present invention relates to the technical field of nuclear power plant maintenance optimization, and particularly to a method, device, computer device and storage medium for determining the defect position of a nuclear power plant pressurizer. The method includes receiving a detection instruction for defect detection of a nuclear power plant pressurizer; the nuclear power plant pressurizer includes a pressurizer shell and at least one branch pipe; a curved surface is provided on the pressurizer shell, and the branch pipe is arranged on the curved surface and connected to the curved surface through a pressurizer weld; determining a defect scanning device and defect scanning parameters for defect detection of the nuclear power plant pressurizer according to the weld parameters and the pressurizer parameters; causing the defect scanning device to perform phased array ultrasonic defect detection from the outside of the pressurizer weld according to the defect scanning parameters to generate a defect detection waveform; and determining defect position information corresponding to the pressurizer weld according to the defect detection waveform and the obtained preset detection map. The present invention improves the defect detection efficiency, accuracy and safety.

The present invention relates to an apparatus (100) for applying a coating material to a wire (106), the apparatus (100) comprising: a coating chamber (102) for applying a coating material to a wire (106) passing through the coating chamber (102), the coating chamber (102) having an inlet port (120) configured to receive the wire (106) and an outlet port (121) configured to discharge the wire (106); an elongated injection channel (103) having a first portion (131) and a second portion (132), the first portion (131) including an opening (130) for receiving a predetermined amount of coating material in a solid state, the second portion (132) being in communication with the coating chamber (102); and at least one heating element (104) configured to increase the temperature of the coating material as it flows through the injection channel (103). According to the invention, the coating device (100) further comprises: a pressurizer (105) configured to operate according to a first operating phase, in which the pressurizer (105) applies a predetermined pressure to the coating material in the first portion (131) of the injection channel (103), and a second operating phase, in which the pressurizer (105) is in a position in which the injection channel (103) can receive a predetermined amount of solid coating material; and a cooling system (119) configured to cool at least a portion of the first portion (131) of the injection channel (103).

The utility model discloses a water replenishing device for an electrode boiler, and relates to the technical field of electrode boiler water replenishing. The device comprises a water storage barrel, a pressurizer is arranged on the left side of the water storage barrel, a handle and a supporting plate are arranged at the bottom of the water storage barrel, and a barrel cover is arranged at the top of the water storage barrel; a first supporting ring and a second supporting ring are fixedly connected to the outer surface of the bottom of the water storage barrel, a plurality of notches are formed in the outer surface of the first supporting ring, and supporting rods are fixedly connected to the notches. According to the supporting frame, the first spring, the second spring, the third spring, the limiting barrel and the limiting rod which are arranged correspondingly, the water storage barrel is supported in a matched mode, meanwhile, the amount of water in the water storage barrel is estimated according to the downward pressing distance of the springs, it is guaranteed that the electrode boiler is prepared to be replenished with sufficient water, and the risk of water supply to the electrode boiler is reduced.

This invention relates to a continuous spray regulation method for a nuclear power unit pressurizer, comprising the following steps: performing pre-test state settings for a steam generator auxiliary feedwater system pump test; after completing the pre-test state settings for the steam generator auxiliary feedwater system pump test, performing pre-test state settings for continuous spray regulation of the pressurizer; performing initial state settings for the continuous spray regulation test of the pressurizer; and after completing the initial state settings, performing fine-tuning for the continuous spray regulation test of the pressurizer. The continuous spray regulation method for the pressurizer of this invention eliminates the coarse-tuning portion during execution, avoiding mutual interference between coarse-tuning and the steam generator auxiliary feedwater system pump test, significantly reducing test time. Furthermore, it can quickly locate the initial point for fine-tuning, greatly reducing fine-tuning time. Since it does not interfere with the steam generator auxiliary feedwater system pump test, it reduces unit risk and reliably completes the continuous spray regulation of the pressurizer.

The invention discloses an intelligent heat dissipation device for workshop production equipment and a using method, the intelligent heat dissipation device comprises a bearing box, a pressurizer and a water tank are arranged in the bearing box, the water tank is connected with a spraying device through a water pipe, the intelligent heat dissipation device is further provided with a main shaft, the main shaft is connected with a motor through a gear sleeve structure, the motor provides horizontal rotating force, and the intelligent heat dissipation device is further provided with a vertical rotor for providing vertical rotating force. A blade rotating system is further arranged to provide wind power, the temperature of each area of a workshop is detected through a temperature sensor, the area to be cooled is automatically judged through a temperature recognition algorithm, and intelligent control and accurate cooling are achieved in cooperation with a control system. According to the invention, accurate heat dissipation of workshop production equipment can be realized through cooperation of a temperature identification algorithm and the heat dissipation device, the problem that normal operation of the equipment is affected by too high local temperature of a workshop is solved, carbon emission is reduced, and efficiency is improved.