1177 results about "Oxygen plant" patented technology

The invention discloses an oxygenerator remote control system and method based on the Internet of Things, and belongs to the technical field of intelligent medical equipment and remote health management, and the method comprises the steps: S1, collecting multi-dimensional physiological data of a user in real time through a multi-source physiological signal collection module, a heart rate variability index and a body movement signal; s2, based on the multi-dimensional physiological data, processing is performed through a preset physiological state prediction model, and a unified physiological stress index is solved; s3, determining a predictive oxygen supply flow rate value in combination with the physiological stress index and a preset user basic oxygen supply flow rate; s4, according to the predictive oxygen supply flow velocity value, a control signal for a physical execution component of the oxygen generator is generated so as to dynamically adjust oxygen supply parameters, and conversion from passive compensation to active prediction is achieved.

The invention relates to the technical field of oxygen generators, in particular to an oxygen generator with oxygen output concentration monitoring and pre-compensation functions. The oxygen generator comprises a lower buffer valve, a lower buffer communication valve, an upper buffer valve, a lower buffer valve, a data acquisition module, a data processing module and an adjusting module, wherein the data acquisition module is used for acquiring pressure data and oxygen concentration at an outlet of the oxygen generator; the data processing module is used for obtaining the high-pressure degree of each circulation according to the pressure data and the oxygen concentration at the outlet of each cycle of each circulation of oxygen discharge, and then determining the high-pressure duration and the current compensation demand degree; acquiring a slow voltage-sharing demand factor according to the current compensation demand degree and the duration of the high-voltage duration; and the adjusting module is used for adjusting opening and closing of the valve according to the slow pressure equalizing demand. According to the invention, the influence of temperature on the adsorption efficiency of the zeolite molecular sieve is reduced, the concentration of oxygen produced by the oxygen generator is maintained, and the pre-compensation of the oxygen concentration is realized.

The invention discloses an intelligent altitude-adaptive pressure swing adsorption oxygen generator and a control method thereof.The intelligent altitude-adaptive pressure swing adsorption oxygen generator comprises a shell, an oil-free compressor is arranged in the shell and connected with an electromagnetic switching valve through a pipeline, and the electromagnetic switching valve is connected with a double-molecular-sieve adsorption tower through a pipeline; the double-molecular sieve adsorption tower is connected with the oxygen storage tank through a pipeline, an output port is formed in one side of the oxygen storage tank, a main control board is arranged in the shell, a control panel is arranged on the outer surface of the shell, a power switch is arranged on the control panel, and a pressure sensor, an altitude sensor and a CPU processing center are arranged on the main control board; according to the altitude sensor technology, the altitude of the working environment of the oxygenerator is intelligently identified, and the parameter configuration of the oxygenerator is automatically adjusted to correspondingly match the current altitude, so that the oxygenerator can generate oxygen with the concentration meeting the standard requirement at each altitude.

The utility model relates to a small oxygen generator with a noise reduction structure, which comprises an oxygen generation assembly, a packaging part and a component, the oxygen generation assembly is provided with a gas inlet end and a nitrogen discharge end, the component is arranged in the packaging part, and the oxygen generation assembly is arranged on the component and keeps non-contact with the packaging part; the component is of a flexible structure, an air inlet branch and an air outlet branch which are independent and arranged all over are constructed on the component, the air inlet branch is configured to be communicated with the air inlet end, and the air outlet branch is configured to be communicated with the nitrogen discharging end. According to the utility model, the plurality of air inlet branches and the plurality of exhaust branches are matched, so that an air inlet path and an exhaust path can form a diffusion effect, and by virtue of the flexible characteristic of components, the noise generated by air movement can be eliminated to a certain extent, and meanwhile, the transmission of vibration generated by the compressor to the outside is reduced; therefore, the formation of noise can be controlled to a certain extent on the whole.

The utility model relates to the technical field of medical oxygen generators, and discloses a high-efficiency energy-saving PSA oxygen generator which comprises an adsorption tank, a gas inlet pipeline, a nitrogen discharge pipeline, an I-shaped balance pipeline, a first purging pipeline, a second purging pipeline, an oxygen outlet pipeline, a purity measurement pipeline, a qualified gas pipeline, an unqualified gas pipeline and an emptying pipeline, a throttling element is arranged on each of an inlet pipeline and an outlet pipeline of the adsorption tank and used for controlling the flow of gas when the adsorption tank is balanced, impact of high-speed gas on a molecular sieve is avoided, oxygen-enriched air can stay at the top of the adsorption tank in various balance modes, and desorbed low-concentration oxygen is adsorbed again to obtain the oxygen-enriched air. And the oxygen recovery rate is improved, so that the air consumption is reduced, the required power of an air compressor is reduced, and the energy consumption required by oxygen production is reduced.

Disclosed in the present invention is an oxygen generator with negative oxygen ions and the diffused oxygen system. The oxygen generator comprising an equipment housing, a control circuit board, a power supply device, a compressor and a plurality of molecular sieve assembly arranged in the equipment housing. It divides the compressed gas output by the compressor into two paths, one of which is used to prepare oxygen, and the other is directly used for the gas-excited negative oxygen ion generator to prepare negative oxygen ions. In this way, the negative oxygen ion generator have sufficient pressure gas to prepare a sufficient amount of negative oxygen ions. In addition, the oxygen interface of the oxygen generator is not occupied, and the pressure of the oxygen interface is not limited, thereby meeting various oxygen needs such as oxygen inhalation.

The invention discloses a control method of a vehicle-mounted oxygenerator, a vehicle and a computer storage medium, and relates to the technical field of vehicle control, which comprises the steps of identifying whether the vehicle is in a sleep mode or not, detecting whether vehicle doors and windows are closed or not, detecting whether the vehicle idles or not, and detecting whether an air conditioner is closed or not. According to the method, whether an oxygen deficit risk exists in a vehicle is judged by detecting the oxygen deficit risk condition, after the oxygen deficit risk condition is detected, the power supply connection state and the working state of a vehicle-mounted oxygen generator are further monitored, a corresponding working strategy is executed according to the working state to control the oxygen generator to work, and comprehensive judgment and control are conducted based on the overall state of the vehicle. The vehicle-mounted oxygen generator can be started or stopped at a proper time, the linkage flexibility and practicability of the vehicle and the vehicle-mounted oxygen generator are improved, and oxygen supply and safety are better guaranteed when a user sleeps in the vehicle.

The utility model discloses an oxygen generator air inlet structure and an oxygen generator, and the oxygen generator air inlet structure comprises an air inlet groove arranged on an outer shell of the oxygen generator; the air inlet cover covers the open end of the air inlet groove; the air inlet cavity is defined by the air inlet groove and the air inlet cover; the first filtering piece is arranged in the air inlet cavity; a first air inlet used for leading in external air is formed between the air inlet cover and the groove wall of the air inlet groove in a surrounding mode. And an opening through which gas in the gas inlet cavity flows out is formed in the groove bottom of the gas inlet groove. The air inlet groove and the air inlet cover are arranged, so that a hidden air inlet structure is formed, and the appearance quality of the oxygen generator can be improved; and the air inlet structure is directly arranged in the shell, so that the structure is compact, the occupied space is reduced, and the market competitiveness is improved. The first filtering piece is arranged in the air inlet cavity and used for filtering air flowing in from the outside, dust and other impurities carried in the air are prevented from entering the shell, and the cleanliness of airflow entering the shell is guaranteed.

The invention relates to a treatment equipment operation parameter adjusting method and device, equipment and a storage medium. The method comprises the steps that under the condition that breathing machine equipment outputs mixed gas when the breathing machine equipment and oxygenerator equipment in the treatment system work together, monitoring parameters of target treatment equipment are obtained, and according to the monitoring parameters of the target treatment equipment, output operation parameters of the target treatment equipment are adjusted, the current error value between the actual oxygen concentration of oxygen output by the oxygen generator equipment and the target oxygen concentration meets the preset error condition after the output operation parameters are adjusted, and the target treatment equipment is breathing machine equipment or oxygen generator equipment. By adopting the method, the output operation parameters of the target treatment equipment can be reasonably adjusted through the constraint conditions, so that the oxygen concentration of oxygen output by the oxygenerator equipment can be within a certain reasonable range after the output operation parameters of the target treatment equipment are adjusted.

The invention discloses a vehicle-mounted oxygen production and air purification control method and system based on multi-sensor cooperation, and relates to the technical field of vehicle-mounted environment control, the oxygen concentration, PM2.5 concentration and AQS grade inside and outside a vehicle are detected in real time, and a vehicle state signal is obtained; judging whether an oxygen generator is started or not according to comparison between the in-vehicle oxygen concentration and the minimum oxygen concentration threshold value; if the oxygen generator is started, the oxygen generator circulation mode and the air purifier operation mode are switched according to the PM2.5 concentration inside and outside the vehicle and the AQS grade, and in the oxygen generation and air purification process under the mode operation, the oxygen generation flow and the air purification power are subjected to coupling regulation and control according to the PM2.5 concentration and the oxygen concentration inside the vehicle; meanwhile, safety protection regulation and control are carried out in combination with vehicle state signals; otherwise, detection and judgment at the next moment are carried out. The system energy efficiency can be improved, the oxygen concentration fluctuation is reduced, the safety performance is improved, and the user experience is improved.

The invention discloses a handheld oxygen generator in the field of oxygen generation equipment, which comprises an air pump assembly, an air inlet assembly, an air outlet assembly, molecular sieve tanks and an oxygen storage tank, a pressure preparation gas tank is arranged on a gas path structure between the two molecular sieve tanks and the oxygen storage tank, and oxygen-enriched gas adsorbed by the molecular sieve tanks firstly enters the pressure preparation gas tank to be stored and then enters the pressure preparation gas tank to be stored; and after the gas in the pressure preparation gas tank reaches the required pressure, the gas enters the oxygen storage tank. In the oxygen production process, gas can generate standby pressure in the standby pressure gas tank, so that the pressure of the molecular sieve tank is kept in a high-pressure range, the adsorption capacity of the molecular sieve on nitrogen in air is improved, the oxygen content of the oxygen production gas is improved, and the oxygen production amount can still be met under the condition that the filling amount of the molecular sieve is reduced; therefore, the sizes of the molecular sieve tank and the whole oxygen generator are reduced. In addition, oxygen is collected through the pressure preparation gas tank, oxygen is conveyed to the oxygen storage tank after certain pressure preparation is achieved, oxygen in the oxygen storage tank can be promoted to be collected, the pressure is increased, and the oxygen output requirement in the oxygen using state is met.

The utility model discloses a vehicle-mounted oxygen generator, a vehicle-mounted oxygen generation system and a vehicle, and relates to the technical field of vehicle-mounted equipment. The vehicle-mounted oxygen generator comprises an installation support, an air inlet filter, an air compressor, a heat dissipation assembly, an electromagnetic valve set and a molecular sieve assembly, the air inlet filter, the air compressor, the heat dissipation assembly, the electromagnetic valve set and the molecular sieve assembly are arranged on the installation support and connected in sequence, and the vehicle-mounted oxygen generator achieves integrated and modular design and is easy to install in a vehicle. The molecular sieve assembly comprises at least two molecular sieve towers for adsorbing nitrogen and discharging oxygen, and the electromagnetic valve group can switch air intake and nitrogen discharge of the molecular sieve assembly, so that compressed air enters the specified molecular sieve towers, and the specified molecular sieve towers discharge nitrogen, so that continuous oxygen production and nitrogen discharge can be realized, and the device has the advantage of high efficiency; the vehicle-mounted oxygen generator can be remotely controlled through a remote control switch, and is convenient to operate; by providing oxygen into the vehicle, the breathing smoothness of a driver and passengers can be guaranteed, and the driving experience is improved.

The utility model discloses an oxygen generator and an intake air filter module thereof, comprising: a filter chamber detachably arranged inside the oxygen generator; the avoiding groove is concavely arranged along the cavity wall of the filtering cavity and is used for avoiding an air inlet pipe head communicated with a compressor; the air inlet pipe head extends into the receding groove, an air outlet hole matched with the air inlet pipe head is formed in the groove wall of the receding groove in a penetrating mode, and one end of the air inlet pipe head is installed at the air outlet hole in a connected mode. And the avoiding groove is formed, so that the air inlet pipe head extends into the avoiding groove, the structural arrangement of the filter cavity and the air inlet pipe head is compact, and the occupied space is reduced. The filter cavity is positioned in the oxygen generator, so that integral arrangement is realized, and the increase of the occupied space of the oxygen generator is avoided; the filter cavity is detachably arranged, so that when the filter part needs to be replaced, the filter cavity can be directly replaced, the efficiency of replacement operation is improved, and it is guaranteed that the filter part is installed in place.

The invention discloses a multilayer silent oxygen generator, which relates to the technical field of oxygen generation equipment, and comprises an oxygen generator body, a molecular tower oxygen filtering module arranged on the outer wall of the oxygen generator body, and a fault triggering mechanism connected with one end of the molecular tower oxygen filtering module and used for automatically triggering when the molecular tower oxygen filtering module is blocked, the multilayer silent oxygen generator further comprises a cleaning mechanism which is arranged on the outer wall of the molecular tower oxygen filtering module and used for cleaning after the fault triggering mechanism detects that the molecular tower oxygen filtering module is blocked. Through the fault triggering mechanism and the cleaning mechanism, the oxygen generator body can be automatically triggered under the condition that the filter screen is blocked and noise is generated when the oxygen generator body runs, and the filter screen can be cleaned under the condition that the oxygen generator is blocked and noise is generated by utilizing the switching of filter screen circulation; and the oxygen outlet stability of the equipment is ensured, and noise is reduced.

The invention provides oxygen cabin equipment and a control system, and relates to the technical field of oxygen cabins, and the oxygen cabin equipment comprises a cabin body which is provided with an observation door; the oxygen cabin main machine device comprises an oxygen generator and a main machine, the oxygen generator is electrically connected with the main machine, and the oxygen generator supplies oxygen to the cabin body through an oxygen inlet valve; the manual safety valve is used for performing manual pressure relief on the cabin body; the automatic constant pressure safety valve is installed in the cabin body, the automatic constant pressure safety valve comprises an automatic pressure detection device and a full-automatic pressure reduction and deflation device, the automatic pressure detection device is used for monitoring the pressure in the cabin body in real time, the full-automatic pressure reduction and deflation device is used for deflating the interior of the cabin body, and the automatic constant pressure safety valve is electrically connected with the host machine. Double safety guarantee is achieved through the manual safety valve and the automatic constant-pressure safety valve. Potential safety hazards caused by the fact that an existing oxygen cabin is not provided with a safety device are effectively avoided, and the safety of the oxygen cabin in the using process is guaranteed.

The invention provides vehicle-mounted equipment and a vehicle, and relates to the technical field of vehicles. The vehicle-mounted equipment comprises an oxygen generation assembly and a refrigerator assembly; the oxygen generation assembly comprises an oxygen generation mechanism and a nitrogen storage device; a nitrogen outlet of the oxygen generation mechanism is communicated with the nitrogen storage device, and nitrogen discharged from the nitrogen outlet can flow into the nitrogen storage device; the refrigerator assembly comprises a heat exchange area, the nitrogen storage device communicates with the heat exchange area, and nitrogen exhausted by the nitrogen storage device can flow into the heat exchange area. Nitrogen discharged by the nitrogen storage device flows into the heat exchange area, and after the nitrogen exchanges heat in the heat exchange area to a proper temperature, the nitrogen flows into a refrigerating box of the refrigerator assembly, so that the fresh-keeping function on food is achieved. According to the refrigerator, food is preserved through nitrogen, fat photooxidation caused by the fact that the UV lamp directly irradiates dairy products and the like can be prevented, peculiar smells generated by the refrigerator assembly are prevented, the UV lamp tube does not need to be wiped with ethyl alcohol regularly, and use convenience is high.

The utility model discloses a system for increasing dissolved oxygen in a water body. The system comprises an air separation oxygen generator, a liquid oxygen storage tank, a gas distributor and an aeration device. The air separation oxygen generator is used for preparing liquid oxygen, the liquid oxygen storage tank is used for storing the liquid oxygen, and the aeration device is used for dissolving pure oxygen in a water body through aeration to increase the dissolved oxygen in the water body so as to restore the dissolved oxygen in the anoxic water body to the normal concentration, and is used for increasing the dissolved oxygen in the anoxic river, lake and reservoir water bodies so as to restore the normal dissolved oxygen concentration.

The invention discloses an in-vehicle oxygen control method for a vehicle-mounted oxygen generator, and the method comprises the steps: collecting multi-source data in the operation process of equipment in real time, employing an artificial intelligence model based on a recurrent neural network, fully utilizing the high efficiency and dynamic memory capability of the artificial intelligence model in time series data modeling, building a depth time series incidence relation among the multi-source data, and achieving the in-vehicle oxygen control of the vehicle-mounted oxygen generator. According to the method, accurate prediction of the change trend of the oxygen concentration in the vehicle is achieved, the optimal oxygen generation control instruction is dynamically output in combination with the prediction result, the complex regulation and control requirements caused by sudden environment changes and equipment performance degradation are effectively met, and the accuracy and stability of oxygen concentration control are remarkably improved. According to the scheme, the GRU gating circulation unit prediction control model is deployed on the local small computing platform of the oxygenerator main control unit, real-time reasoning and control decision are independently completed under the condition of no external server or network dependence, the system response delay is greatly reduced, and the system reliability is improved. And meanwhile, the safety, the stability and the environment adaptability of equipment operation are improved.

The invention discloses an intelligent oxygen generator for patients with chronic obstructive pulmonary disease, which comprises a household oxygen generator, and a portable oxygen generator is arranged on the household oxygen generator in a manner of being inserted and pulled out. The household oxygen generator comprises a main body shell, an air inlet, a display screen, a household oxygen outlet, a household humidifying water tank, a storage drawer, and a power supply, a central control module and an oxygen generation function module group which are positioned in the main body shell, the oxygen generation function module set comprises an air inlet module, an air compression module, a valve switching and control module, a separation module, an oxygen storage and buffer module and an exhaust module, the portable split type module design is adopted, so that the long-time oxygen inhalation requirement of a patient is met, meanwhile, the product supports intelligent operation, has the functions of intelligent monitoring, real-time adjustment and the like, and is suitable for popularization and application. Parameters such as oxygen concentration and flow velocity can be automatically adjusted according to different states of patients, and the problems that an existing oxygen generator is poor in environment adaptability, single in function, insufficient in portability and the like are solved.

The invention discloses a plateau oxygen generation system and method based on multi-source fusion and collaborative optimization, and the system comprises a double-oxygen-outlet-nozzle intelligent scheduling module, a temperature adaptive double-loop control module, an altitude adaptive parameter adjustment module, a Beidou emergency rescue module, and a cross-module collaborative optimization controller. The cross-module collaborative optimization controller is used for receiving the state quantity and the error quantity of each module in real time so as to construct a joint cost function; and solving the optimal control quantity of the joint cost function, and synchronously issuing the optimal control quantity to each module for corresponding control. According to the portable oxygen generator disclosed by the invention, the comprehensive capabilities of simultaneous on-demand oxygen supply for two persons, adjustment-free at 0-5500m, full-dimension self-adaption and no-net Beidou emergency rescue are realized for the first time, and the portable oxygen generator has very good practicability.

The invention relates to the technical field of portable oxygen production equipment, and particularly discloses an adsorption device for a portable oxygen generator, the adsorption device comprises a portable machine shell and an adsorption mechanism, the portable machine shell is provided with an air inlet through hole and an air outlet through hole, the adsorption mechanism comprises an oxygen-enriched element, the portable machine shell is provided with an air supply pipe head, and the air supply pipe head is provided with an air outlet through hole. An airflow pipeline is connected between the oxygen-enriched element and the air supply pipe head; the oxygen enrichment device further comprises an air supply air pump located between the oxygen enrichment element and the air supply pipe head, an auxiliary air pipe, an auxiliary air valve and a humidity sensor, the auxiliary air valve is located on the auxiliary air pipe, one end of the auxiliary air pipe is connected with the airflow pipeline, and the connecting point is located between the oxygen enrichment element and the air supply air pump. The humidity sensor is used for detecting humidity in the airflow pipeline. According to the invention, the auxiliary gas pipe is connected in parallel beside the oxygen-enriched element, so that gas can enter the gas flow pipeline without passing through the oxygen-enriched element when water in the gas flow pipeline is removed, the water removal effect is relatively high, and the consumption of oxygen is relatively low.

The invention discloses a control method, a control system and related equipment for constant temperature, constant oxygen and constant pressure. The control method comprises the following steps: acquiring temperature data, oxygen concentration data and pressure data in a cabin body in which an oxygen cabin mainboard is positioned; determining a current working stage according to the pressure data and a preset target pressure value; in the boosting stage, the opening degree of an air inlet valve of a control cabin, the rotating speed of an air compressor and the oxygen production amount of an oxygen generator are synchronously increased; in the pressure stabilizing stage, at least two of the opening degree of an exhaust valve, the opening degree of an air inlet valve, the rotating speed of an air compressor, the oxygen production amount of an oxygen generator and the temperature adjusting capacity of an air conditioner of the cabin are adjusted at the same time according to the temperature data, the oxygen concentration data and the pressure data; if so, controlling the oxygen generator to be closed, and controlling the opening degree of the exhaust valve and the rotating speed of the air compressor to synchronously change. According to the invention, higher-precision pressure control, oxygen concentration control and temperature control can be realized, and the stability of pressure, oxygen concentration and temperature is ensured.

The invention is suitable for the technical field of compound fertilizer production and fermentation, and provides a fermentation tank for microbial compound fertilizer production, the fermentation tank comprises a fermentation tank, two rows of dispersion mechanisms are arranged in the fermentation tank, each dispersion mechanism is rotatably connected with the inner wall of the fermentation tank, and two electric telescopic rods are arranged at the top of the fermentation tank. The telescopic ends of the electric telescopic rods are fixedly connected with exhaust pipes, all the exhaust pipes are jointly connected with an oxygen generator through hoses, the exhaust pipes are connected with a plurality of push seats, each push seat abuts against one dispersion mechanism, and under driving of the electric telescopic rods, the exhaust pipes can drive the push seats connected with the exhaust pipes to push the dispersion mechanisms to swing. Therefore, the compound fertilizer in the fermentation tank is dispersed. The problem of non-uniform oxygen distribution caused by caking of materials in the fermentation tank is solved, the caking is crushed through the synergistic effect of high-frequency vibration and elastic buffering, micropore channels are formed, and the oxygen permeation efficiency is improved.

The invention discloses an air conditioner which comprises an indoor unit and an outdoor unit. The indoor unit comprises a first air outlet and a negative oxygen water ion generating device. The first air outlet is configured to blow air-conditioning air out of the indoor space. The negative oxygen water ion generating device is arranged beside the first air outlet and is configured to provide ions for the indoor space. Wherein the air outlet direction of the air conditioner air and the air outlet direction of ion air blown out by the negative oxygen water ion generating device are independently adjusted, the negative oxygen water ion generating device is provided with an independent first air duct, and the first air duct is configured to provide air for ionization for the negative oxygen water ion generating device. The outdoor unit comprises an oxygen generator, and the oxygen generator is configured to provide oxygen for the first air duct. And under the condition that the oxygen concentration is smaller than a preset first limit value, the oxygen generator is started to provide oxygen into the first air duct. According to the air conditioner, independent control over air conditioning air and ion air can be achieved, the content of negative oxygen ions in a room can be adjusted, and the air purification effect and the human body health care effect are improved.

The utility model relates to the technical field of oxygen generation equipment, and discloses a modularized oxygen generator, which comprises a main frame module, a main support, an oxygen storage tank and a control assembly, the compressor module is located on one side of the main support and detachably connected with the main support in a sliding mode through a first detachable structure. The molecular sieve module is positioned on the other side of the main bracket and is detachably connected with the main bracket in a sliding manner through a second dismounting structure; and the battery module is positioned on the lower side of the main bracket and is detachably connected with the main bracket in a sliding manner through a third detachable structure. According to the modularized oxygen generator, through the modularized design, the compressor module, the molecular sieve module and the battery module can be independently mounted and quickly dismounted, so that the independence of each functional module is improved, and the maintenance and replacement operation of the oxygen generator is greatly simplified.

A waste heat recycling device of a molecular sieve oxygenerator comprises an air compressor A, an air compressor B, a circulating water tank, a heat preservation water tank and a cooling tower, the air compressor A and the air compressor B are connected with a heat exchanger A and a heat exchanger B through circulating pipelines respectively, a thermostatic valve A and a thermostatic valve B are arranged on the circulating pipelines respectively, and the heat exchanger B is connected with the heat exchanger A and a heat exchanger C; the circulating water tank is connected with the heat exchanger A and the heat exchanger C, and a water pump A is arranged on a pipeline connected with the heat exchanger A. The circulating water tank is connected with the cooling tower so that the heat dissipation capacity of the air compressor at the high temperature in summer can be improved, the air compressor is prevented from being shut down at the high temperature, the PLC automatically switches the waste heat recovery mode and the cooling tower heat dissipation mode according to the water temperature priority, and energy waste is avoided. Multiple heat exchangers are adopted for heat exchange, circulating water and user water are isolated from each other, and scale and domestic water pollution caused by high temperature are avoided, so that energy needed by working of the cooling tower is saved, domestic hot water and energy needed by air conditioner heating are also saved, and the service life of the cooling tower is prolonged. In addition, the heat exchangers are all made of stainless steel materials and can tolerate possible corrosion of trace oil and water vapor in exhaust of the air compressor.

The utility model relates to the field of shrimp seed culture, in particular to a seed releasing device for shrimp seed culture, which comprises a sealing bag containing shrimp seeds and a ship body, the outer surface of the sealing bag is detachably connected with a cloth belt, and the two sides of the ship body are respectively provided with a plurality of groups of limiting and fixing mechanisms used for placing and fixing the cloth belt. A cutting mechanism for cutting the sealing bag is arranged in the ship body; by arranging the limiting and fixing mechanism, when a sealing bag filled with shrimp seeds is placed, a cloth belt is placed in the placing area, the sealing bag filled with the shrimp seeds is prevented from falling off before reaching a designated area, after the sealing bag is moved to the designated area, the threaded column is made to be away from the ship body by rotating the adjusting knob, and therefore the cloth belt can leave the placing area, and the shrimp seeds are placed in the placing area. The balancing weight prevents the placed sealing bag from moving at will, the sealing bag is fixed to a designated area, the effect of preventing the sealing bag from moving at will is achieved, and the problem that an existing sealing bag can move at will under the action of an oxygen generator and is prone to being gathered together is solved.

According to the filter convenient to replace and the oxygen generator using the filter, the filter is arranged on a base of the oxygen generator, and the filter comprises a filter box, a filter cover and filter cotton; a box opening of the filter box is fixedly connected with a mounting hole formed in the base in a penetrating manner, and a box body of the filter box extends into the case above the base and is connected with an air inlet pipe and a compressor air inlet pipe; the filter cover is assembled with the box opening, a sealing cavity is formed in the filter cover, the filter cotton is arranged in the sealing cavity and supported by the supporting structure so as to divide the sealing cavity into an upper cavity and a lower cavity, and the two cavities are communicated with the air inlet pipe and the compressor air inlet pipe respectively; the oxygen generator comprises the filter and a battery shell. The filter box is inversely arranged on the base of the oxygen generator, the filter cover and the filter cotton are arranged in the filter box from the lower part of the base, the filter cotton can be replaced only by opening the filter cover from the lower part of the base, the filter cover and a complex structure in the case above the base do not influence each other, the operation is convenient, and the oxygen generator is not easy to damage.

The present application relates to a kind of textile gas setting machine of configuration oxygen-rich control wet energy-saving system, the oxygen-rich control wet energy-saving system, including: oxygen-rich oxygen generator, with the one-to-one correspondence setting of gas burner on the textile gas setting machine, for generating oxygen-enriched air;Three-way bypass and bypass valve, with the one-to-one correspondence setting of gas burner, one end is communicated the oxygen-enriched air outlet of oxygen-rich oxygen generator, the other end is communicated the pipeline between corresponding gas burner and gas access solenoid valve on textile gas setting machine;High-temperature humidity sensor, with the one-to-one correspondence setting of each air draft section of the air draft branch pipe on the textile gas setting machine, for obtaining the exhaust gas discharge humidity parameter of setting machine section;Variable frequency control induced draft fan, replace the induced draft fan corresponding to the air draft branch pipe;Controller, with the variable frequency control induced draft fan, high-temperature humidity sensor connection;With the starting switch of connected gas burner, the oxygen-rich machine vacuum pump frequency converter circuit connection.

The utility model discloses a natural gas melting furnace for melting aluminum ingots, and belongs to the technical field of metal melting equipment. The melting furnace comprises a box body and a furnace body, a liquid oxygen storage tank, a VPSA oxygen generator and a waste gas treatment box are integrated in the box body, and the liquid oxygen storage tank is connected with an oxygen supply pipeline through a vaporizer; the furnace body shell adopts a gradient refractory layer structure; the oxygen supply pipeline is of a Y-shaped parallel structure, a flame arrester and a dynamic pressure balance valve are arranged in the oxygen supply pipeline, and the oxygen flow is adjusted through linkage of a pressure sensor and a controller. A water-cooling observation window is arranged on the inner wall of the furnace body, and a thermal infrared imager is installed on the outer side to monitor the temperature of a molten pool and feed back and control combustion power. According to the utility model, efficient melting, safe oxygen supply and accurate temperature control are realized through structure optimization, and the device is suitable for continuous melting scenes of aluminum ingots.