21 results about "Underground storage tank" patented technology

A connection adapter for incorporating in a riser stack of an underground tank includes a first portion, a flange portion, and a pipe stub. The first portion has a bottom end and a top end opposite the bottom end. The bottom end has an outer diameter sized to fit within an accessway of the underground tank. The flange portion is connected to the top end of the first portion. The pipe stub is in fluid communication with the first portion and externally protrudes from the first portion. The pipe stub is integrally formed with the first portion and has an integrally formed distal end wall caps the pipe stub.

The application provides an underground storage tank leakage distributed monitoring system and an application method thereof. The underground storage tank leakage monitoring system is based on a weak grating array sensing technology and comprises a fiber cable fixing device, a polyurethane sheath weak grating sensing fiber cable, a weak grating array demodulation module, a monitoring data processing module, a monitoring data transmission module and a monitoring data visualization module. The device provided by the application is based on the swelling effect of the weak grating sensing technology and the polyurethane material, utilizes the wavelength change caused by the stretching and temperature rising of the fiber cable in the swelling process of the fiber cable sheath, identifies the oil body leakage event and determines the leakage point position, and can realize real-time and automatic monitoring of the underground storage tank leakage, thereby providing an important guarantee for the operation safety of the underground storage tank.

The invention discloses a fully-closed mixing and conveying integrated automatic batching system which comprises a storage system, an automatic weighing system, an automatic stirring system, an automatic conveying system and a control system, and the storage system, the automatic weighing system, the automatic stirring system, the automatic conveying system and the control system are communicated in a fully-closed mode through pipelines. The material storage system comprises a buried storage tank, an indoor storage tank, an indoor sizing material storage tank and a valve mechanism, the valve mechanism is controlled by the control system to act, and the automatic weighing system is controlled by the control system to complete material weighing and lossless transfer; the automatic stirring system comprises a base, a motor, a control cabinet, a lifting platform, a cross beam, a stirring shaft, blades and a material tank, the motor runs to drive a screw in the cross beam to rotate, so that the stirring shaft is driven to rotate to drive the blades to rotate, and the sizing material is uniformly dissolved in the main solvent. According to the technical scheme, the structure design is reasonable, the precision is high, compounding, mixing and conveying are integrated, closed conveying is achieved, environment friendliness is achieved, the coating amount is accurately monitored, and coating waste caused by excessive compounding is prevented.

The invention provides a buried storage tank intelligent thickness measuring robot based on ultrasonic detection and a thickness measuring method. The robot is characterized in that a buoyancy attitude system comprises a ballast tank, an anti-explosion pump, a ventilation hose and a liquid level sensor; the power system comprises a plurality of propellers which are respectively mounted at the rear end and the middle section of the pressure-resistant anti-corrosion cabin body; the navigation positioning system comprises a dual-frequency identification sonar, a high-definition camera, an inertial measurement unit and an ultra-wideband beacon; the electrical and communication system comprises a power supply module and a composite communication module; the control system is connected with the buoyancy attitude system, the power system, the electromagnetic ultrasonic detection system, the navigation positioning system and the electrical and communication system. The method comprises the steps of beacon laying and robot deployment; environment modeling and path planning; performing autonomous navigation and adaptive detection; a wall thickness distribution cloud picture is generated, and a defect area is encrypted and scanned; and robot recovery and report generation. According to the invention, safe, efficient and full-coverage non-contact wall thickness detection operation can be carried out on buried storage tanks made of various materials.

An underground storage system for storing fluid includes a hole having a bottom, a support element including at least one opening able to receive a joining element, at least one reservoir having a longitudinal axis, a bottom end and a top end, a first closure able to close the reservoir at its bottom end, and a second closure able to close the reservoir at its top end. The top end is able to be joined to the support element via the joining element such that the reservoir is hung inside the hole and such that an axial clearance able to absorb axial thermal expansion of the reservoir remains between the first closure and the bottom.

The invention relates to the technical field of heat energy storage, in particular to an underground high-temperature molten salt heat storage system and a construction and operation method. The system comprises an underground storage tank unit, a heat management unit, a structural unit and an anti-seepage unit, the underground storage tank unit is used for containing high-temperature molten salt and arranged in an underground foundation pit, and the outer side of the underground storage tank unit is coated with the heat management unit; the structural unit comprises an inner heat-resisting structural layer and an outer structural layer which are sequentially arranged on the outer side of the heat management unit from inside to outside, and the anti-seepage unit comprises a lining coating arranged in the underground storage tank unit, a geomembrane layer and a backfill anti-seepage layer, wherein the geomembrane layer and the backfill anti-seepage layer are sequentially arranged on the outer side of the outer structural layer from inside to outside. According to the integrated structure, the limitation of the size and materials of a traditional steel tank can be broken through, the capacity of a single tank is remarkably improved, dependence on parallel connection of multiple tanks is reduced, system complexity and construction cost are reduced, and meanwhile safety and environmental friendliness of long-term operation are guaranteed.

The utility model provides a buried storage tank for safety production, which is characterized in that a tank body is buried underground, a part of a manhole well is buried underground, the bottom of the manhole well is communicated with an inner cavity of the tank body, an exhaust mechanism is arranged on the manhole well, the output end of the exhaust mechanism is communicated with the manhole well or the tank body, and the exhaust mechanism is used for inflating the manhole well and the tank body. And the switching mechanism is arranged on the manhole well and is used for switching the conduction between the output end of the exhaust mechanism and the manhole well and the conduction between the output end of the exhaust mechanism and the tank body. According to the utility model, the exhaust mechanism is matched with the switching mechanism, when the output end of the exhaust mechanism is communicated with the manhole well, the exhaust mechanism inflates the manhole well and exhausts gas in the manhole well, and when the output end of the exhaust mechanism is communicated with the tank body, the exhaust mechanism inflates the tank body and exhausts gas in the tank body; therefore, the entering workers are prevented from being invaded by harmful gas, and the safety protection of the workers is improved.

1. Name of the designed product: production safety monitoring graphical user interface of electronic equipment (underground storage tank). 2. Use of the designed product: an electronic device. 3. Design points of the designed product: in the graphical user interface. 4. Picture or photo that best shows the design points: front view. 5. Use of the graphical user interface: to display production data such as storage station pressure liquid level temperature, gas concentration, water pressure water level air pressure, etc.

The utility model relates to a kind of membrane separation oil gas recovery device, belong to oil gas recovery technical field, including underground storage tank, oil gas treatment mechanism and recovery mechanism installed in the outside of underground storage tank, oil gas treatment mechanism includes the first membrane module, second membrane module and third membrane module being arranged in the outside of underground storage tank, fixedly arranged connecting pipe between the first membrane module, second membrane module and third membrane module;The utility model passes through the selective permeability of macromolecule permeable membrane in oil gas treatment mechanism, so that the organic molecules in oil gas of underground storage tank pass through permeable membrane, and under the pressure difference effect established by vacuum pump suction in recovery mechanism, permeate to the other side of membrane, to reach the purpose of gas separation, and high concentration organic gas formed in permeation side is extracted back to underground storage tank by vacuum pump to carry out next cycle, to recover oil gas by the way of membrane separation, to reduce the consumption and waste of finished oil, and not easy to cause air pollution.

The utility model relates to the technical field of storage equipment, in particular to an underground liquid storage device which comprises a storage tank, the storage tank is installed underground, a collecting assembly is arranged at the top of the storage tank and located above the ground, and a supporting shell is fixedly connected between the storage tank and the collecting assembly. The supporting shell is used for communicating the collecting assembly with the storage tank. The collecting assembly is arranged at the top of the underground storage tank, rainwater can be collected through the rainwater collecting box, impurities in the rainwater can be filtered through the filter screen cover in the rainwater collecting box, and the impurities can slide to the periphery from the surface of the filter screen cover through the filter screen cover in the shape of the circular truncated cone. And by arranging the cleaning mechanism, a driving motor can be used for driving a scraping strip to conduct rotary cleaning on the surface of the filter screen cover, impurities on the surface of the filter screen cover are scraped into a rainwater collecting box, and therefore cleaning and impurity removal of the filter screen cover are facilitated.

The invention discloses an urban rainwater regulation, storage and treatment system based on multi-working-condition intelligent regulation and control and an operation method. The system comprises an underground regulation and storage pond, an overground regulation and storage pond, double intercepting wells, double rainwater closed conduits, a rainwater box culvert, a sewage drainage station, integrated sewage treatment equipment, a sewage lifting pump station and an intelligent water affair platform. The operation is divided into four working conditions of dry season, early stage of heavy rain, middle and later stage of heavy rain and extreme rainstorm, 100% collection and treatment of high-pollution rainwater are realized, landscape maintenance, flood control peak clipping and ecological water supplementation are considered, and the response efficiency of the system and the utilization rate of water resources and energy sources are improved.

A method for evaluating potential damage to a cement sheath in an underground gas storage facility during an earthquake. A ground surface earthquake (EQ) wave is obtained on which a deconvolution analysis is performed, producing a subsurface EQ wave. Static and dynamic mechanical properties of a casing-cement-rock well system are obtained, and a computational model of the underground gas storage facility is generated. A gas pressure value is applied to the model, and, after boundary conditions are applied, a static equilibrium state is simulated. The subsurface EQ wave and boundary conditions are applied to the model, and, based on the gas pressure value, a dynamic seismic event is simulated. Based on the effect of the seismic simulation on the integrity of the underground gas storage facility, at least one parameter related to the operation of the underground gas storage facility may be adjusted.

The present invention consists of a comprehensive technical process for the cleaning, internal repair, and verification of the mechanical integrity of storage tanks, applicable to both aboveground and underground tanks used in gas stations, service stations, and industrial facilities. The process integrates, in an orderly and sequential manner, specialized technical stages that include tank preparation, internal cleaning, visual inspection, ultrasonic inspection, internal mechanical repair, and subsequent verification of mechanical integrity, allowing for an objective evaluation of the tank's structural condition before its return to operation.Unlike traditional methods, this invention combines the precise detection of structural damage with internal corrective actions and subsequent technical validation into a single continuous process. This reduces operational, environmental, and safety risks, and ensures that the tank meets pre-established technical acceptance parameters. The invention results in a reproducible, verifiable, and industrially applicable method for determining the safe operational fitness of storage tanks, extending their service life, and minimizing mechanical failures associated with corrosion or material thickness loss.

The utility model provides a supply and transportation system for oil discharge in a quenching area of a steam cracking ethylene device. The supply and transportation system comprises an underground storage tank supply and transportation system, the underground storage tank supply and transportation system comprises a discharge pipeline, a filter (F) and an underground storage tank. The system is characterized by further comprising a supply and transportation system on the ground, wherein a line in front of the first feed valve (1) of the underground storage tank is connected with a discharge and cooking output line on the ground; a new conveying system on the ground is added in combination with an existing system for shunting, and the defects in the prior art are overcome.

The invention provides a waste oil well flow battery device, and belongs to the technical field of flow battery energy storage, the waste oil well flow battery device comprises an underground storage tank device, a circulation pipeline device and a power access and access device, the underground storage tank device comprises a first oil well and a second oil well; the circulating pipeline device comprises a first pipeline, a wellhead sealer, a pumping device, a pump connector, a second pipeline, an electric pile device, a third pipeline and a fourth pipeline, one end of the first pipeline is communicated with the first oil well, the other end of the first pipeline is communicated with the top of the electric pile device, and one end of the second pipeline is communicated with the second oil well. The other end of the second pipeline is communicated with the top of the galvanic pile device, the first pipeline and the second pipeline are sleeved with well mouth sealers respectively, the first pipeline and the second pipeline are provided with pump connectors respectively, the pump connectors are connected with the pumping device, the bottom of the galvanic pile device is connected with a third pipeline and a fourth pipeline respectively, and the third pipeline is communicated with a first oil well. The fourth pipeline is communicated with the second oil well, and the electric power access device is connected with the electric pile device.

An underground storage system (1) for storing a fluid, comprising a hole (2) having a bottom (3), a support element (4) including at least one opening (7) capable of receiving a connecting element (18), at least one reservoir (10) having a longitudinal axis (1), a bottom end (14) and a top end (12), a first closure means (16) capable of closing the reservoir (10) at its bottom end (14), and a second closure means (17) capable of closing the reservoir (10) at its top end (12), said top end (12) being connectable to the support element (4) via the connecting element (18), said reservoir (10) being suspended within the hole (2) such that an axial clearance (G) remains between the first closure means (16) and the bottom (3) capable of accommodating axial thermal expansion of said reservoir (10).

The utility model discloses a feeding auxiliary device, relates to the technical field of water treatment agent processing equipment, solves the problem that powder often flies and pollutes a feeding platform during manual material pouring, and comprises a storage tank buried underground and a platform built on the ground, a feeding pipe is fixedly mounted at the top of the storage tank, a through hole is formed in the platform, and the feeding pipe is fixedly connected with the storage tank through the through hole. A through hole is formed in the platform, the top of the feeding pipe penetrates through the interior of the through hole, a dust removal assembly is fixedly installed on the surface of the platform, the feeding pipe is located in the dust removal assembly, a feeding opening is formed in one side of the dust removal assembly, and an inclined hopper is installed at the position, located at the feeding opening, of the surface of the platform. Through the arrangement of the dust removal assembly, when materials are fed into the feeding pipe through the feeding port, the pipe body can shield floating powder, the situation that the powder flies around is not prone to occurring, the powder in the pipe body can be sucked away in time through the air suction pipeline, and therefore the cleanliness of the working environment is guaranteed.

The application discloses a water circulation temperature adjusting system, which comprises an underground storage tank, an upper water pipe, a first temperature adjusting pipe, a second temperature adjusting pipe, a transfer storage tank, a lower water pipe, a first heat exchange pipe and a second heat exchange pipe. The water circulation temperature adjusting system is used for circulating and conveying water to corresponding positions for temperature adjustment through corresponding pipelines, and does not cause pollution to underground water and noise. The structure is relatively simple, and the electrical equipment involved is relatively few, so that normal maintenance by a special person is not needed.

The utility model relates to oil gas recovery technical field discloses an adsorption condensing type oil gas recovery device, include: underground storage tank, the outside extension of underground storage tank is connected with first pipeline and second pipeline, installs first pressure table and adsorption pump on the pipeline of first pipeline, and first pipeline branches and connects to the outside with first branch pipeline, installs first electromagnetic valve on first branch pipeline, and first branch pipeline connects to enter the inside of first carbon jar, the top of first carbon jar extends to the outside with first gas outlet pipe, installs second electromagnetic valve on first gas outlet pipe, and the top of first gas outlet pipe is connected with the discharge port, the utility model discloses through adsorption pump extraction underground storage tank oil gas, is handled to the activated carbon adsorption layer in carbon jar, and the clean gas is discharged after reaching the standard by concentration sensor monitoring, and when not reaching the standard, starts vacuum pump analysis, air condenser condensation recovery, realizes oil gas high recovery rate and reaches the standard discharge, satisfies environmental protection requirement.

This invention belongs to the field of underground energy storage and geothermal utilization technology, and particularly relates to an underground compressed air energy storage device and method utilizing coal mine geothermal energy, comprising: an underground storage tank, a geothermal utilization system, and a surface compression power generation system. This method achieves efficient energy storage through phased control of the geothermal utilization system: during the compression phase, the system is shut down, and high-pressure air is injected into the storage tank, storing the heat of compression in the surrounding rock; during the storage phase, the system is turned on, extracting geothermal energy through a heat absorption module, and heating the air through a heat transfer module to increase its potential energy; during the discharge phase, the system is shut down, releasing the air to generate electricity and absorbing heat from the surrounding rock. This invention couples geothermal replenishment with the energy storage process, significantly increasing the initial temperature and potential energy of the air during power generation, solving the problem of thermal energy management imbalance in traditional methods, and achieving efficient utilization of geothermal resources and increased discharge capacity.

The application discloses a semi-underground LNG storage tank settlement monitoring system and method, and the system comprises a data acquisition and processing device, marking bolts, marking steel plates, a plurality of inclinometer casings and a plurality of horizontal fixed inclinometers. The traditional settlement monitoring method of the ground LNG storage tank is to periodically use a portable horizontal sliding inclinometer to complete settlement data measurement by manual operation. Compared with the traditional method, the horizontal fixed inclinometer is adopted in the application, automatic and uninterrupted data acquisition can be realized, and frequent operation of field personnel is avoided.