1614 results about "Holding tank" patented technology

The present invention relates to a fuel processing system and a ship comprising the same, comprising: a fuel supply unit for supplying fuel discharged from a fuel storage tank to a demand site; a fuel recovery unit that recovers the remaining fuel returned from the demand location; and a fuel processing unit for collecting the fuel output from the fuel supply unit or the fuel recovery unit, the fuel processing unit including a plurality of absorption tanks for generating waste water by collecting the fuel with water, the fuel output from the fuel supply unit or the fuel recovery unit sequentially passes through the plurality of absorption tanks and is dissolved in water stored in the absorption tanks, thereby converting the fuel into waste water.

The invention discloses a molten substance waste heat recycling system and method.The molten substance waste heat recycling system comprises a storage chamber, storage tanks and a heat exchange chamber which are sequentially connected, the storage tanks comprise the first storage tank and the second storage tank, and the first storage tank and the second storage tank are arranged in parallel; a high-pressure water injection inlet, a particulate matter outlet and a high-temperature medium outlet are formed in the heat exchange chamber, the high-temperature medium outlet is sequentially connected with the first-stage heat exchanger, the second-stage heat exchanger and the high-pressure water injection inlet, and high-pressure water is injected into the high-pressure water injection inlet so as to cut molten substances and quench the molten substances into particles; the storage tank and the heat exchange chamber are further connected through a pressure balance pipe. Recycling of waste heat of molten substances is achieved through the storage chamber, the storage tanks, the heat exchange chamber and the two heat exchangers, uninterrupted continuous operation is achieved by arranging the first storage tank and the second storage tank in parallel, the efficiency and productivity of the whole smelting or chemical production line are improved, and the situation that the production rhythm is interrupted due to the cooling link is avoided.

The utility model provides a refrigerant filling machine to solve the problem that in the prior art, a large amount of manpower and time cost are consumed for achieving high-precision filling. The refrigerant filling machine comprises a booster pump, a storage tank, an electronic scale, a control system, a filling pipeline, a pressure sensor, a roller and a storage chip. The refrigerant filling machine is excellent in cost control, traditional complex assemblies are abandoned, the booster pump and the high-precision online electronic scale are combined, and the manufacturing, debugging and maintaining cost is reduced. The electronic scale monitors the weight in real time, the control system performs comparison operation, and the error of the filling amount is controlled within five thousandths. The whole filling process is automatically executed by a control system, and an operator only needs to simply set parameters and start operation to complete a refrigerant filling task. The outer wall of the storage tank is connected with an external power supply through the leakage protector, the power supply is automatically cut off during leakage, and the alarm sends out a signal during abnormity.

The invention relates to the technical field of powder material processing, and discloses an inert gas protected micro-powder impact mill system which comprises a crushing and grading module, an inert gas circulating module, a material closed conveying module and a safety monitoring and regulating module, the crushing and grading module comprises an impact mill and a worm gear grader, and a bottom discharge port of the impact mill is communicated with a top feed port of the worm gear grader through a sealing pipeline; the inert gas circulation module comprises a gas storage tank, an induced draft fan, a pulse type bag-type dust collector and a return air cooler, a gas outlet of the gas storage tank is in sealed connection with a gas inlet of the induced draft fan through a first communicating pipe with a control valve, and a gas outlet of the induced draft fan is communicated with a gas inlet of the impact mill through a second communicating pipe. By constructing a complete inert gas closed circulation loop and combining with a safety monitoring regulation and control module of the integrated control system, potential safety hazards caused when flammable, explosive and oxidizable materials are processed by an existing common impact mill are effectively solved.

The invention discloses an automobile thermal forming stamping die anti-sticking coating protection assembly, and relates to the technical field of automobile part production, the automobile thermal forming stamping die anti-sticking coating protection assembly comprises a die body, the die body is provided with an auxiliary mechanism used for protecting an anti-sticking coating, and the auxiliary mechanism comprises two electric push rods, two cylindrical holes, a storage tank and two sliding grooves. A first electric valve is installed at the output end of the storage tank, a double-shaft motor is arranged on the periphery of the storage tank, and a first pump head and a second pump head are installed at the two output ends of the double-shaft motor through a main electromagnetic clutch and an auxiliary electromagnetic clutch respectively. When the mold release agent is used, scratch and abrasion of impurities to the anti-mold-sticking coating are reduced through impurity cleaning, a film formed by spraying the mold release agent on the surface of the anti-mold-sticking coating not only can play a role in mold release and lubrication, but also can play a role in buffering the anti-mold-sticking coating, so that the service life of the anti-mold-sticking coating is prolonged, and frequent shutdown is avoided.

The invention belongs to the technical field of automatic aquaculture, and discloses a feed scattering device and method for aquaculture, the device comprises a feed tank body, and a plurality of groups of inner storage tanks are arranged in the feed tank body; a discharging mechanism at the bottom of each inner storage tank achieves accurate metering of feed through the overlap ratio of discharging holes of an upper fixing disc and a lower rotating disc. The scattering assembly synchronously driven by the lower rotating disc can instantly crush and scatter the falling feed; the mixed feed is conveyed to the top through the feed scattering and conveying piece and pushed through the two-stage gas booster pump, the feed scattering distance and the coverage range are remarkably increased, and meanwhile the feed scattering uniformity is optimized through continuous vibration of the feed scattering gun body. Feed is effectively prevented from being affected with damp and agglomerated, the feed is thoroughly crushed, the mixing proportion is flexibly adjusted, and the spraying distance and uniformity are remarkably improved.

The invention provides a large-diameter storage tank and isolation lining synchronous installation device and an installation method thereof.The large-diameter storage tank and isolation lining synchronous installation device comprises a tank body and lifting devices annularly arrayed on the periphery of the bottom of the tank body, the tank body is formed by splicing a plurality of ring cylinder sections in a lap joint mode, the cylinder sections are formed by splicing a plurality of arc-shaped pieces in a lap joint mode, and lifting pieces are detachably and fixedly arranged at the bottoms of the vertical lap joint positions of the cylinder sections; the lifting devices are used for being connected with the even number of lifting devices and used for alternately lifting the installed shell ring and the newly-added shell ring. The lifting device is arranged outside the tank body, so that the working space in the tank body is effectively released, the isolation lining can be synchronously mounted in the tank body assembling process, the process splitting caused by the fact that the lifting mechanism occupies the area in the tank body in the traditional process is avoided, the whole construction period is obviously shortened, and the construction efficiency is improved. The management and coordination cost caused by secondary entering is reduced, the lining can be accurately laid and attached under the open, safe and visible working conditions, and the lap joint sealing performance and the structural consistency are greatly improved.

The invention discloses a heat insulation tank for LNG fuel storage of a super-large box ship and a working method of the heat insulation tank, and relates to the technical field of LNG fuel storage tanks, the heat insulation tank comprises a tank body, the wall body of the tank body is composed of an inner tank layer, a heat insulation interlayer and an outer tank layer, and an emergency pressure relief mechanism is arranged on one side of the upper end face of the tank body; an air pressure sensor is arranged on one side of the upper end face of the emergency pressure relief mechanism, a graded pressure relief device communicated with an inner cavity of the tank body is arranged on the other side of the upper end face of the emergency pressure relief mechanism, three pressure relief cavities are formed in the graded pressure relief device, and an elastic sealing supporting assembly is arranged in each pressure relief cavity. The other side of the upper end face of the tank body is provided with a boil-off gas recycling mechanism, the upper end face of the boil-off gas recycling mechanism is fixedly provided with a pressurizing and cooling device, and the outlet end of the pressurizing and cooling device is provided with a recycled gas discharging pipe; the problems that an LNG fuel storage tank occupies a large effective load space of a ship, the heat insulation efficiency is low, and the evaporation rate is high are solved.

The utility model relates to the technical field of shield tunnel engineering, in particular to an earth pressure balance shield muck in-situ solidification system. The system comprises a spiral conveyor, a belt conveyor, a spiral conveying device, a vertical conveying device and a curing agent storage tank, the spiral conveyor is arranged at the muck output end of the earth pressure balance shield machine; a belt conveyor is arranged at one end, far away from the earth pressure balance shield machine, of the spiral conveyor; a spiral conveying device is arranged at the end, away from the spiral conveyor, of the belt conveyor. A vertical conveying device is arranged at the end, away from the belt conveyor, of the spiral conveying device. A soil inlet butted with the spiral conveying device is formed in the lower end of the vertical conveying device, and a soil outlet butted with external transfer equipment is formed in the upper end of the vertical conveying device; the curing agent storage tank is connected with the spiral conveying device. According to the utility model, the problems of high investment cost, large occupied area and low muck treatment efficiency in the traditional muck solidification treatment mode can be solved, and the reutilization of muck resources is realized.

The long-acting anti-settling storage equipment comprises an anti-settling storage tank, four supporting legs are fixedly connected to the bottom of the anti-settling storage tank, and a tank cover is fixedly connected to an opening in the top of the anti-settling storage tank. The middle of the tank cover is fixedly connected with a feeding pipe which penetrates into the anti-settling storage tank and communicates with the anti-settling storage tank, the bottom of the anti-settling storage tank is fixedly connected with a discharging pipe communicating with the interior of the anti-settling storage tank, and a stirring assembly is arranged in the anti-settling storage tank. And a discharging assembly matched with the stirring assembly is arranged in the anti-settling storage tank, and a servo motor is fixedly mounted at the top of the tank cover. Resin is lifted through the first spiral blade, stirring is achieved through the auxiliary blade through resin flowing power, the load of the servo motor is reduced, compared with traditional equipment, energy consumption expenditure is reduced, the operation cost is reduced, the working pressure of the motor is relieved, the service life of the equipment is prolonged, and the operation stability of the equipment is improved.

The utility model relates to the technical field of alcohol hydrogen leakage detection of a filling station, in particular to a leakage detection device of an alcohol hydrogen filling station. The alcohol hydrogen filling station leakage detection device comprises a hydrogen storage tank, the hydrogen storage tank is provided with a butt joint pipe used for the hydrogen storage tank to store or discharge alcohol hydrogen, and the top of the hydrogen storage tank is fixedly provided with a protective cover used for covering the butt joint pipe; a detection cylinder is installed on the top of the protective cover, and a monitoring assembly is arranged in the detection cylinder. According to the leakage detection device for the alcohol hydrogen filling station, the monitoring assembly is combined with the piston driven by air pressure and the contact piece type switch, the audible and visual alarm is triggered through the abutting column, the sensitivity is high, the anti-interference capacity is high, meanwhile, the spring and the limiting ring act synergistically, it is ensured that the piston is reset in the non-leakage state, and the leakage detection efficiency is improved. Meanwhile, the pressure relief hole can balance the internal pressure of the detection cylinder, the stability of the system is improved, leaked alcohol hydrogen fuel can be directionally conveyed to a standby storage tank through the design of the dump pipe and the control valve, and fuel diffusion and secondary pollution are avoided.

The utility model provides a portable gas storage tank which comprises a base, four mounting rods are fixedly mounted at the top of the base, a rectangular mounting frame is fixedly mounted at the tops of the mounting rods, a handle is arranged in the rectangular mounting frame, a protective fixing mechanism is arranged at the top of the base, and a gas storage tank body is arranged on the inner side of the protective fixing mechanism. A protective ring is fixedly mounted at the top of the gas storage tank body, and four supporting blocks are fixedly mounted at the bottom of the base. The base is arranged for mounting the mounting rod and the protective fixing mechanism, and the protective fixing mechanism is arranged for fixing and limiting the gas storage tank body, so that the stability of the gas storage tank body in actual use is improved; the problem that danger is caused by toppling, damage and leakage due to the fact that the size is small in the actual use process is solved, and hydrogen or natural gas is contained through the arrangement of the gas storage tank body.

The utility model discloses a liquid storage module and cooking equipment, and relates to the technical field of cooking utensils, the liquid storage module comprises a liquid storage tank and a module shell with a containing cavity, and the liquid storage tank is provided with a first material drawing head; the module shell is provided with a second material pumping head, the second material pumping head is used for being communicated with a liquid pumping device of the cooking equipment, and when the liquid storage tank is installed in the containing cavity, the second material pumping head is correspondingly communicated with the first material pumping head. According to the technical scheme, the liquid storage module can form a modular assembly structure, so that when parts in the whole liquid storage module need to be replaced in subsequent maintenance, the whole liquid storage module can be quickly detached from the corresponding cooking equipment for corresponding maintenance or replacement operation, and the use experience of a user is greatly improved.

The invention discloses spray granulation equipment and a spray granulation method, and relates to the technical field of spray granulation. The device comprises a drying box, the drying box internally comprises a hot air cavity and a processing cavity, an air heater is installed in the hot air cavity, a filter plate is installed between the hot air cavity and the processing cavity, and a discharging opening is formed in the processing cavity; and the storage tank is provided with a discharging pipe communicating with the processing cavity, and a stirring piece is installed in the storage tank. When the device is used, air is blown into the processing cavity through the air heater, raw materials are dried through hot air, particles formed by the raw materials can be discharged through a discharging port, and the blown-out hot air moves in the processing cavity, gradually moves into a transfer pipe and enters an interlayer of a storage tank through the transfer pipe; and the storage tank is preheated through waste heat of tail gas, the utilization rate of the tail gas is increased, and then the practicability of the device is improved.

The utility model discloses a liquid material quantitative feeding device, belongs to the technical field of feeding devices, and solves the problems that liquid materials in a feeding tank are not stirred and the mixing effect of the liquid materials is poor. The liquid material quantitative feeding device comprises a pot cover, a pot body, a first storage tank and a second storage tank, the top of the first storage tank and the top of the second storage tank are provided with a first feeding pipe and a second feeding pipe respectively, and the bottom of the first storage tank and the bottom of the second storage tank are provided with a first conveying pipe and a second conveying pipe respectively. The other end of the first conveying pipe and the other end of the second conveying pipe are both connected with the pot cover, the pot cover is detachably installed on the pot body, an air cylinder is arranged above the pot cover, a telescopic rod of the air cylinder is connected with the top of the pot cover, and a driving motor is further arranged at the top of the pot cover. According to the quantitative feeding device for the liquid materials, the liquid materials are mixed before entering the pot body, so that the mixing effect of the liquid materials is improved.

The utility model relates to the technical field of gas turbine blade machining, and discloses a micro-nano cooling liquid sprayer for gas turbine blade precision machining, which comprises a mounting plate, a storage tank for storing cooling liquid is arranged at the top end of the mounting plate, and a spraying mechanism for spraying the cooling liquid is arranged at the bottom end of the storage tank. And a protective cover mechanism for controlling the spraying range of the cooling liquid is arranged at the bottom end of the spraying mechanism. Cooling liquid in the storage tank is extracted through the spraying mechanism, meanwhile, the cooling liquid is sprayed out in a micro-nano-scale mist form through the spraying mechanism, spraying can effectively cool and lubricate blades, the opening and closing degree of the protective cover mechanism is adjusted according to actual needs through the protective cover mechanism, and therefore the coverage area of spraying is controlled, and the cooling effect is improved. The locking mechanism is arranged to lock the protective cover mechanism, the opening and closing angles of the two cover bodies can be flexibly adjusted, different machining requirements are met, and the function of controlling the spraying range of cooling liquid is achieved.

This utility model discloses a tunnel fire-fighting foam liquid filling system, belonging to the field of fire-fighting equipment technology. It includes several fire boxes, a foam liquid filling vehicle, and a monitoring center. Both the fire boxes and the foam liquid filling vehicle are networked with the monitoring center to achieve data exchange. Specifically, each fire box contains a foam liquid storage tank and a first control device. The foam liquid storage tank is equipped with a first liquid level sensor, a solenoid valve, a variable frequency delivery pump, and a first flow meter. A flow regulating valve and a second flow meter are installed on the pressure water pipe. All components are connected to the first control device. The foam liquid filling vehicle contains a foam liquid storage tank, a variable frequency high-pressure pump, a battery, a third flow meter, and a second control device. Both the first and second control devices are connected to the monitoring center. This utility model provides a highly efficient, intelligent, and easy-to-maintain tunnel fire-fighting foam liquid filling system.

The utility model relates to the technical field of medicament waste liquid treatment, in particular to a medicament waste liquid treatment device. The medicament waste liquid treatment device comprises a storage tank, a gas collection cylinder is fixedly mounted on the side wall of the storage tank, a curved hollow handle communicated with the gas collection cylinder is fixedly mounted at the top of the gas collection cylinder, and a gas leakage pipe which is vertically arranged and communicated with the curved hollow handle is fixedly mounted in the storage tank; a plurality of annular air inlets which are annularly distributed are formed in the pipe wall of the air leakage pipe; an opening and closing component is installed on the air leakage pipe. According to the medicament waste liquid treatment device, hydrogen can be stored in the gas collection cylinder, the potential safety hazard that the storage tank expands and even physically explodes due to the fact that the pressure in the container rises sharply due to the fact that excessive hydrogen is gathered in the storage tank is avoided, automatic hydrogen collection is achieved, and compared with an existing fixed exhaust structure, the waste liquid treatment device has the advantages of being simple in structure and convenient to use. And the safety is greatly improved.

The utility model relates to the technical field of chemical storage, in particular to an anti-leakage horizontal chemical storage tank which comprises a storage tank, a protection assembly is arranged at the bottom of the storage tank and comprises a bottom pipe, the bottom pipe is fixedly communicated with the bottom of the storage tank, and the bottom end of the bottom pipe is fixedly communicated with a first safety valve. According to the leakage-proof horizontal chemical storage tank, a protection assembly is additionally arranged, a first safety valve at the bottom of a bottom pipe is a discharging switch valve, a discharging pipe on the surface of one side of a connecting pipe is used for containing a solution during chemical production, a second safety valve at the bottom of a first connecting pipe is also a discharging switch valve, and when the leakage-proof horizontal chemical storage tank is used, the first safety valve is opened, and the second safety valve is closed; when the device is not used, the first safety valve is closed, the second safety valve is opened, if strong acid or strong alkali leaks, the strong acid or the strong alkali flows into the leakage containing frame from the second safety valve, the strong acid or the strong alkali cannot fall to the ground, damage to the ground or harm to personnel is avoided, and protectiveness and safety are improved.

The pressure relief device of the liquid carbon dioxide storage tank comprises a storage tank, the upper surface of the storage tank is fixedly connected with a valve body, the bottom of the inner side face of the valve body is connected with a valve element in a sliding mode, and the upper surface of the valve element is fixedly connected with a spring. According to the pressure relief device of the liquid carbon dioxide storage tank, three groups of pressure relief pipes, a connecting rod, a supporting arm, an induction button and an electric bell are arranged, so that the pressure relief speed of the device is increased, the device can realize graded pressure relief, and the safety of the device can be improved; when the storage tank is decompressed, the other end of the supporting arm presses the sensing buttons, so that the electric bell gives out warning sound to remind a worker that the storage tank is decompressed and is careful, the electric bell can be provided with three warning sounds corresponding to the three sets of sensing buttons, the device can give out different warning sounds according to different levels of pressure relief speeds, the effect is better, and use is convenient.

A method for supplying cryogenic fluids, such as liquid nitrogen, from a cryogenic fluid storage tank to a user station, wherein the liquid / gas two-phase contents arriving at the user station are a factor affecting the quality of operations performed by the station, the tank containing a liquid phase of the cryogenic fluid at the bottom and a gas phase of the cryogenic fluid at the top of the tank at a storage pressure above atmospheric pressure, the tank being adapted to supply the station with liquid drawn from the bottom of the tank and fluid suitable for external supply, characterized in that: i) a gas / liquid phase separation device (6), such as a degassing vessel or phase separator, is provided, and the gas / liquid phase separation device supplies (20) cryogenic fluid from the tank and separates the substantially liquid phase and substantially gas phase (40) of the cryogenic fluid, the substantially liquid phase (30) being diverted (i) To guide to the user station; j) For example, during each operational phase of the user station, measure (8) the fluctuation of the liquid / gas two-phase contents arriving at the user station over time by: - ​​providing a measurement of the gas flow rate from the gas outlet of the phase separation device and measuring any deviation of the gas flow rate over time; or - acquiring information provided by a flow sensor located at the gas outlet of the phase separation device, i.e., 0 / 1 binary type information, so as to enable the flow rate leaving the separation device to be detected and the opening time of the sensor within a given time range; k) Based on the results of these determinations made in j), take one or more measures (2, 10, ...) to inform the user station and / or modify the operating conditions of the user station.

A scale assessment system and a method for performing a scale deposit assessment that includes a scale solution flow loop. The scale assessment system also includes an insulated temperature controlled scale solution holding tank, a scale deposit assessment flow loop, a scale inhibitor flow loop, and / or a measurement and control unit configured to determine one or more of an amount of scale deposit in a plurality of connected U-shaped test pipes and an amount of scale inhibitor required to prevent scale deposit in the plurality of connected U-shaped test pipes.

This utility model discloses a ternary precursor material mother liquor ammonia removal treatment system, including an ammonia removal tower, a falling film evaporator, a dilute ammonia water tank, a condenser, and an ammonia water storage tank. The top of the ammonia removal tower is connected to the shell side of the falling film evaporator section via an ammonia gas outlet pipe, and the bottom of the ammonia removal tower is connected to the gas-liquid separation section via a liquid outlet pipe. The shell side of the falling film evaporator section is connected to the cooling inlet end of the condenser via an ammonia gas outlet pipe, and the cooling outlet end of the condenser is connected to the ammonia water storage tank. A dilute ammonia water inlet pipe and a reflux pipe are connected between the shell side of the falling film evaporator section and the top of the dilute ammonia water tank. A liquid outlet pipe is connected to the gas-liquid separation section. A reflux pipe and a falling film circulation pump are connected between the liquid outlet pipe and the top of the tube side of the falling film evaporator section. A vapor compression unit is provided between the gas-liquid separation section and the ammonia removal tower. This utility model has the advantages of reducing the amount of vapor used in the ammonia removal tower, reducing energy consumption, achieving good ammonia removal effect from the mother liquor, achieving good ammonia water recovery effect, low system operating cost, and stable and reliable operation.

The utility model relates to a beer filtering device applying a cross-flow filtering technology, which comprises a base, a stock solution tank is fixedly mounted at the top of the base, a storage tank is fixedly mounted at the top of the base, and a filtering mechanism is arranged at the top of the base. According to the beer filtering device applying the cross-flow filtering technology, when beer needs to be filtered, firstly, a controller drives a booster pump outside a first water inlet pipe to be started, at the moment, the beer liquid enters a first filtering tank through the first water inlet pipe, and at the moment, a first filtering membrane group can roughly filter the beer through a porous supporting layer, a transition layer and a separation layer; at the moment, part of the fermented beer liquid flows through the upper end of the first filtering membrane group under the action of flow shearing force, the electromagnetic valve is started, enters the return pipe from the first shunt pipe and returns to the stock solution tank through the return pipe, the rest of the beer liquid enters the second filtering tank through the second water inlet pipe, and the secondarily filtered beer liquid enters the storage tank through the guide pipe, so that filtering is completed.

The utility model relates to the technical field of royal jelly processing equipment, in particular to a royal jelly concentration device, which comprises a concentration box, a front doorway is arranged on the concentration box, a box door is arranged at the doorway, a containing groove is arranged in the concentration box, an air blowing pipe is led to the concentration box, and an exhaust pipe is led out from the concentration box. A supporting frame is further installed on the upper portion of the interior of the concentration box, a dripping groove is further installed on the supporting frame, a plurality of evenly-distributed dripping small holes are formed in the lower portion of the dripping groove, and the dripping small holes are formed in the upper portion of the containing groove; a suction pipe is connected with the containing groove and the dripping groove, a suction pump is installed in the middle of the suction pipe, and the royal jelly in the containing groove can be conveyed into the dripping groove. The royal jelly concentration device has the advantages of high concentration efficiency and good product homogeneity.

The application relates to a multi-stage electric heating intelligent unblocking device and method for complex frozen blockage of a CO2 flooding waxy crude oil gathering pipeline, wherein the multi-stage electric heating intelligent unblocking device for complex frozen blockage of the CO2 flooding waxy crude oil gathering pipeline comprises a dredging system, an outer framework and an intelligent control system; the outer framework is a bionic flexible guide pipe which is composed of multiple body segment units connected through expansion joints; the dredging system integrates a first-stage global heating system, a second-stage local heating system and a dosing system; a flexible electric heating pipe is embedded in the bionic flexible guide pipe to form a uniform heating body; the bionic flexible guide pipe is provided with a temperature sensor; the second-stage local heating system is an intelligent composite drill bit which can autonomously heat; the intelligent composite drill bit comprises a motor system, a drill bit shell, an electric heating rod, a drill bit and a miniature night vision camera; the dosing system comprises an inhibitor storage tank and multiple nozzles. The application can quickly break the frozen blockage area and realize intelligent operation.

The invention discloses a black soil organic carbon and exogenous organic carbon coupling action mechanism analysis device. The device is mainly composed of an outer shell, a discharging drawer, a water tank, an induced draft fan, a water supplementing spray pipe, a material guide plate, a shaking assembly, an upper cover, a feeding box, a heating plate, a gas filling box, an organic carbon storage tank and the like. The discharging drawer at the bottom of the outer shell facilitates material collection, the water tank is connected with the water supplementing spray pipe to guarantee humidity, the induced draft fan and the gas filling box control the gas environment, and the heating plate provides proper temperature for reaction. Materials in the feeding box can be fully mixed through the unique shaking assembly, and it is ensured that the materials evenly enter the device through the special structure of the feeding box. The device can accurately simulate various environmental conditions of coupling of black soil and exogenous organic carbon, interaction of the black soil and the exogenous organic carbon is effectively promoted through the synergistic effect of all the parts, monitoring and analysis of key parameters in the process are achieved, and a reliable experimental platform is provided for researching related mechanisms of the black soil organic carbon.

The utility model discloses a forestry tree maintenance device which comprises a storage tank and a vehicle body, a stirring mechanism facilitating stirring of raw materials is arranged in the storage tank, a storage battery is fixedly arranged at the top end of the vehicle body, a raw material pump is fixedly arranged on one side of the storage tank, and an electric sliding rail is installed at the top end of the vehicle body. A sliding rail is fixedly arranged on one side of a sliding block of the electric sliding rail, a movable block is arranged in the sliding rail in a sliding mode, a first motor is fixedly arranged on one side of the sliding rail, and a screw is fixedly arranged at the output end of the first motor. The raw material pump injects raw materials in the storage tank into the arc-shaped pipe through the rubber hose, the raw materials are filled into the arc-shaped pipe on the other side through the extension pipe until the raw materials are sprayed on the outer side of a tree trunk from the spray head, and the electric sliding rail drives the arc-shaped pipe to move upwards, so that the outer side of the tree trunk can be evenly coated with the raw materials. Manual smearing is not needed, efficiency is improved, and physical strength is saved.

The engine system with communicating fluid vessels has first, second, and third fluid containers each containing a liquid fluid. At least one interconnecting lever conduit contains the liquid fluid and is rotatably coupled to the first, second, and third fluid containers. The interconnecting lever conduit is pivotal about an axis and defines a fluid passageway by which the first, second, and third fluid containers are in liquid fluid communication. At least one buoyant member and at least one holding tank are positioned in each of the first and third fluid containers. A tether is physically linking together the holding tank of each of the first and third fluid containers. Supplying the gas to the interior of the holding tank displaces some of the liquid fluid from the interior of the holding tank to increase a column height of the liquid fluid in the first, second, and third fluid containers.

The utility model relates to a wastewater treatment and recovery device. The wastewater treatment and recovery device comprises a first recovery assembly and a second recovery assembly, the first recovery assembly comprises a first storage tank, a second storage tank, a first connecting pipeline, a second connecting pipeline and a first reaction kettle, the first reaction kettle comprises a first reaction kettle body, the first storage tank is communicated with the first reaction kettle body through the first connecting pipeline, and the second storage tank is communicated with the first reaction kettle body through the second connecting pipeline. The second recovery assembly comprises a third connecting pipeline, a second reaction kettle and an evaporative crystallization structure, the second reaction kettle comprises a second reaction kettle body, the second reaction kettle body is communicated with the first reaction kettle body through the third connecting pipeline, and the evaporative crystallization structure is communicated with the second reaction kettle body. According to the technical scheme, the problem that in the prior art, the recycling rate of recoverable components in waste water raw materials is low is effectively solved.