97 results about "Production pipeline" patented technology

An example operation may include one or more of storing utility components for a production environment within a storage, receiving, via a software application, an AI model from a development environment, receiving a configuration file defining a configuration of a pipeline in the production environment which includes the AI model, generating, via the software application, a production pipeline of the AI model which includes a sequence of components including the AI model and at least one utility component based on the configuration file, determining whether the production pipeline satisfies at least one regulatory requirement based on the sequence of components, in response to the production pipeline satisfying the at least one regulatory requirement, executing the production pipeline on input data via the software application in the production environment and may further include an AI agent updating the configuration file of the production pipeline satisfying the at least one regulatory requirement.

The application discloses a kind of electronic grade metal organic precursor vacuum rectification device and method, it is related to rectification technical field, device includes raw material tank, rectification tower, crude product tank, product tank, sampling filling glove box, vacuum pump and cold trap;The raw material tank production pipe is connected with rectification tower kettle;The rectification tower top product sampling outlet is connected with production pipeline, and production pipeline is connected with crude product tank and product tank import, and the crude product tank and product tank are connected with nitrogen and vacuum pipeline;The vacuum pipeline is connected with cold trap, and cold trap is connected with vacuum pump;The product tank feed pipeline is connected with sampling filling glove box;Method ensures that the pressure in crude product tank is lower than the pressure of crude product tank material sampling outlet and the pressure in product tank is lower than the pressure of product tank material sampling outlet.The application can effectively solve the problem that metal organic precursor is difficult to be industrialized and continuously produced in the process of rectification, with higher operating temperature, faster decomposition, lower product purity and greater difficulty in vacuum rectification.

The utility model discloses a dairy product production system, and relates to the technical field of dairy product production, the dairy product production system comprises a first production pipeline, a second production pipeline, a third production pipeline, a fourth production pipeline, a fourth production pipeline, a fifth production pipeline and a sixth production pipeline, the separated lactose is stored in a third production pipeline, water in the second production pipeline selectively flows into a fourth production pipeline, lactose in the third production pipeline selectively flows into the fourth production pipeline, and the fourth production pipeline is used for performing enzymolysis and enzyme deactivation on a mixed solution of lactose and water; protein separated from the first production pipeline is stored in the fifth production pipeline, protein in the fifth production pipeline flows into the mixed production pipeline, and mixed liquid in the fourth production pipeline flows into the mixed production pipeline. Therefore, the Maillard reaction of the dairy product can be effectively avoided, the lactose content can be regulated and controlled to change the sweetness of the dairy product, and the product quality can be constant.

A remote pipeline blocking recovery production device belongs to the technical field of oil field oil gas gathering and transportation site engineering operation sites, and comprises a left side anti-play fixed sealing device, a middle pipeline blocking sealing device and a right side anti-play fixed sealing device which are integrally connected through flanges, and a pipeline penetrates through the center of the integral shell and is not in contact with the integral shell. A left lead screw supporting leg fixing device and a right lead screw supporting leg fixing device which are used for fixing and supporting are arranged at the two ends of the pipeline and the whole shell, and a right anti-movement fixing and sealing device is connected with a production pup joint. The device can remotely and rapidly cut off the pipeline, effectively control the emergency situation in the site, rapidly reestablish the production pipeline, improve the emergency problem treatment efficiency and effectively reduce various risks, can be applied to various process sites such as oil and gas gathering and transportation sites, pressure vessel spreading sites and operation sites, and has wide application prospects. Negative effects on production are reduced to the greatest extent, and production is quickly recovered.

The invention relates to an efficient ethylene glycol injection system and method for a deepwater combined development gas field. The system comprises an existing deepwater floating platform C; a first underwater manifold in the existing gas field A is connected with the existing deepwater floating platform C through a first ethylene glycol injection pipeline and a first production pipeline; a second underwater manifold, a third underwater manifold and a fourth underwater manifold are arranged in the first newly developed gas field B, the second underwater manifold is connected with the first underwater manifold through a second injection pipeline, and the third underwater manifold is connected with the second underwater manifold through a third injection pipeline and a second production pipeline; the fourth underwater manifold and the third underwater manifold are connected through a fourth injection pipeline and a third production pipeline; and the newly-built platform D is connected with a fourth underwater manifold in the first newly-developed gas field B through a fourth production pipeline. Construction of the ethylene glycol submarine pipeline can be delayed, the laying length of the ethylene glycol submarine pipeline is reduced, and ethylene glycol pipeline connecting facilities are optimized.

The invention provides a manufacturing process of a smoke exhaust pipe. The manufacturing process comprises the following steps: lofting smoke exhaust pipe parts; prefabricating a smoke exhaust pipe; mounting a flange; smoke pipe hoisting; and connecting with an old smoke pipe. The smoke exhaust pipe manufacturing process is formulated, the direction is guided for later production, and efficiency is improved.

The utility model provides a high-purity sulfuric acid production pipeline and negative pressure equipment, the high-purity sulfuric acid production pipeline comprises an outer pipe body, an inner pipe body arranged on the inner wall of the outer pipe body in a matched mode and a bonding layer arranged between the outer pipe body and the inner pipe body, the outer wall of the inner pipe body is attached to the inner wall of the inner pipe body, and the thickness A of the outer pipe body and the thickness B of the inner pipe body meet the condition that B / A is larger than or equal to 1.5 and smaller than or equal to 2.5, the inner pipe body is made of polytetrafluoroethylene, the outer pipe body is made of 304 stainless steel, the bonding layer is made of epoxy resin, and the thickness of the inner pipe body, the thickness of the outer pipe body, the material of the inner pipe body, the material of the outer pipe body and the material of the bonding layer are designed, so that the exhaust pipe of the negative pressure equipment can be prevented from being corroded and carbonized by acid liquor; the device can effectively improve the purity of sulfuric acid and ensure the quality of sulfuric acid cost, and has the advantages of meeting the green chemical production concept, being simple in structure, long in service life and convenient to overhaul, maintain, popularize and implement.

The utility model relates to an optical fiber coating discharged waste material recovery device which comprises a coating tank assembly, a linkage conversion shunting assembly connected with the coating tank assembly, a connecting frame, bubble sensors and a three-way control valve, a first conveying pipe and a second conveying pipe both extend into the connecting frame and are connected with the connecting frame, the bubble sensors are arranged in two groups, and the three-way control valve is connected with the three-way control valve. The first conveying pipe and the second conveying pipe are each connected with a three-way control valve, the communication state is controlled through the three-way control valves, the collecting assembly is connected with the linkage conversion flow dividing assembly, when air in a production pipeline needs to be emptied, the air in the pipeline is exhausted by means of the internal pressure of a coating tank, and in the exhausting process, the pipeline is not blocked. Bubbles in the coating are detected through the bubble sensor 220, and when it is detected that the bubbles exist in the coating, the three-way control valve 230 recycles the coating with the bubbles in the coating into the recycling tank through the output pipe, so that the continuity of optical fiber production is guaranteed, reuse of waste is guaranteed, and waste of resources is avoided.

The invention discloses a tar distillation process for customized production. A device for the tar distillation process comprises a raw material tar tank, a dehydrating tower, a heating furnace, a main tower, an extraction valve, an extraction pipeline, a purging valve, a purging pipeline, a dephenolization oil tank, a naphthalene oil tank, an oil washing tank, an anthracene oil tank, a carbon black oil tank, an oil distribution tank and a configuration pipeline. The tar distillation process comprises the following steps: carrying out production adjustment by controlling start-stop combination of side-line naphthalene oil, washing oil and anthracene oil extraction, and customizing oil products by configuring pipelines. In the normal production period of the side line of the tar distillation process, flexible adjustment of extraction and extraction stopping aiming at a single component can be realized, and meanwhile, final products of other extracted components are not influenced; according to the requirements of markets or customers, oil is debugged and distributed in proportion, customized production of various oil products is flexibly achieved, and benefit maximization is achieved on the premise that the quality is met.

The invention relates to the technical field of pipeline rust removal devices, and discloses a high-pigment carbon black production pipeline rust removal device which comprises a rotating cover, a rust removal mechanism and a reciprocating driving mechanism and further comprises two positioning mechanisms rotationally installed at the two ends of the rotating cover. The reciprocating driving mechanism is composed of a servo motor, a gear set, a threaded rod, a transmission spline rod, a planetary gear and a transmission assembly. According to the technical scheme, the reciprocating driving mechanism drives the rust removal mechanism to form a three-dimensional composite motion mode of rotation, linear movement and autorotation, the three kinds of motion are overlapped, a spiral propelling track is formed, and dead-corner-free rust removal is achieved; radial grinding force and axial scraping force are generated at the same time in the three-dimensional composite motion mode, and rust layers of different depths are effectively stripped; and the three-dimensional composite motion mode breaks through the limitation of traditional one-way rust removal, rust removal uniformity is ensured, and the rust removal device is suitable for comprehensive rust removal operation of pipelines with different distances and diameters.

The utility model discloses an ammonia mother liquor pipeline nitrogen replacement system for combined soda production, and provides a systematic solution aiming at potential safety hazards, low efficiency and environmental protection problems existing in traditional maintenance. The system is formed by integrating an ammonia mother liquor conveying unit, a low-pressure nitrogen replacement unit, a tail gas recovery unit and a waste liquid treatment unit, and the leakage risk is eliminated by replacing pipeline dismantling through segmented nitrogen replacement. The multi-branch replacement design supports local rapid isolation, and cooperates with a tail gas recovery device to neutralize waste gas and waste liquid for unified collection and treatment, so that the safety and environmental protection double standards are achieved. The system adopts a modular structure, is provided with a bypass branch pipe and a plurality of groups of control valves, optimizes the maintenance process, shortens the downtime, inhibits oxygen corrosion by maintaining pipeline micro-positive pressure, and prolongs the service life of equipment. According to the scheme, the operation safety, the overhaul efficiency and the environmental protection performance are remarkably improved, a standardized technical path is provided for combined-soda production pipeline maintenance, and the industrial application value is remarkable.

The utility model relates to the technical field of gas production pipeline cleaning, in particular to a gas production pipeline cleaning auxiliary device which comprises a mounting cylinder and a flow guide pipe, an adjusting screw rod is arranged at the upper end of the flow guide pipe and rotatably connected with the flow guide pipe, the mounting cylinder is sleeved on the outer side of the adjusting screw rod, and a plurality of supporting wheel carriers are arranged on the outer side of the mounting cylinder. The supporting wheel carriers are matched with positioning columns arranged on the outer sides of the flow guide pipes in a sleeving mode, and the positioning columns are fixedly connected with the flow guide pipes and used for driving the supporting wheel carriers to be unfolded and folded when the flow guide pipes move. Spraying assemblies are arranged at the lower ends of the flow guide pipes. The spraying assembly at the end of the flow guide pipe can flush the inner wall of the pipeline, the flow guide pipe is pushed through the adjusting screw rod, the flow guide pipe drives the positioning columns to move together, all the supporting wheel frames are unfolded or folded at the same time, and the supporting wheel frames support the flow guide pipe from the inner side of the pipeline after being unfolded. And when the pipe cleaning auxiliary device moves in pipelines with different sizes, the flow guide pipe can still be kept in the center of the pipelines and cannot deviate, and the stability is good.

The invention belongs to the technical field of gas detection, and particularly relates to an oil field production pipeline gas collection and detection device and method. A gas collecting and detecting device for an oil field production pipeline comprises a gas collecting shell, the gas collecting shell comprises a first shell body and a second shell body, the first shell body and the second shell body are connected in a sealed mode, the oil field production pipeline is arranged in the middle of the connecting position of the first shell body and the second shell body in a penetrating mode, and a sealing strip is arranged between the outer side of the oil field production pipeline and the gas collecting shell. A steel pipe is arranged above the first outer shell, the tail end of the steel pipe is connected with a gas collection bottle, a detection opening is formed in the gas collection bottle, and a detection opening switching mechanism is installed on the detection opening. The device is installed at pipeline parts with methane escape and emission such as a wellhead, a single-well oil storage device, a transfer station and a united station, and the methane escape and emission condition can be rapidly detected on site by collecting gas and detecting the methane content.

The invention discloses a construction method for online detection of a thin oil pipeline. The construction method comprises the steps that firstly, a pipeline tee joint and a pipeline support are manufactured according to the size of the thin oil pipeline; secondly, a polishing machine is used for polishing paint at the position, needing to be drilled, of the bottom of the thin oil pipeline, and the surface of the thin oil pipeline is cleaned; 3, drilling a thin oil sampling hole in the polished position of the bottom of the thin oil pipeline, and cleaning the periphery of the hole; fourthly, pipeline tee joints are installed on an oil supply pipeline and an oil return pipeline in the thin oil pipeline respectively; 5, a pipeline support and an online detection device are installed, wherein the pipeline support is used for supporting the middle piping; sixthly, middle piping is installed on the pipeline support, and the oil supply pipeline and the oil return pipeline are connected with the online detection device through the middle piping; and 7, carrying out leakage test on an oil supply pipeline and an oil return pipeline of the thin oil pipeline, and debugging the online detection device.

The present application belongs to the technical field of unconventional oil and gas resource exploitation technologies such as fracturing and heat injection, and discloses an intelligent telescopic compensation wellhead device, which comprises a casing head body, an intelligent telescopic compensation system and a Christmas tree mechanism, the bottom of the casing head body is fixed with a surface casing, the top end of a tubing hanger is fixed with an extension neck, and the top end of the intelligent telescopic compensation system is installed with the Christmas tree mechanism. The device can intelligently and accurately compensate for the displacement of the wellhead by the cooperation of the structures such as the fixed flange, the electric lifting rod and the electric lifting screw, so as to avoid the tearing of the production pipeline. The electric lifting rod drives the electric lifting screw to rotate, drives the telescopic flange and the Christmas tree mechanism above to synchronously lift, cooperates with the rope displacement sensor to monitor the displacement of the wellhead in real time and feeds back signals to the control panel, can automatically adjust the height of the Christmas tree to offset the telescopic amount of the oil layer casing caused by the temperature and pressure changes, and solves the problem that the traditional device cannot automatically compensate, resulting in the tearing of the pipeline under stress.

An example operation may include one or more of storing utility components within a storage of a software application, receiving a configuration file defining component configurations, receiving an artificial intelligence (AI) model which comprises at least one of source code, binary code, software end points, and configuration information, wrapping the AI model into a wrapped AI model that includes an interface that provides access to the AI model, generating a production pipeline for the AI model which includes a sequence of components including the wrapped AI model and at least one utility component connected to the interface based on the component configurations included in the configuration file, and executing the production pipeline for the AI model on input data via the software application to generate an inference result. The example operation may further include an AI agent modifying the configuration file for the production pipeline to generate the inference result.

The invention belongs to the technical field of gas field development, and discloses a production pipeline accumulated liquid purging method utilizing intermittent gas well group energy, which comprises the following steps: monitoring the state of a production pipe network, acquiring data of each pipe section of the production pipe network, determining the accumulated liquid position of the pipe network, diagnosing the accumulated liquid amount of the pipeline by utilizing analogue simulation, and establishing a pressure difference-conveying efficiency chart. The method comprises the steps of determining the optimal purging opportunity of a pipeline, simulating pipeline purging conditions of an intermittent well under different well opening and closing systems by utilizing a simulation model, determining the optimal well opening and closing system according to purging efficiency, and forming a field pipeline purging scheme according to the optimal purging opportunity and the optimal well opening and closing system. Implementing a purging scheme, and evaluating the purging effect according to the pipe network node pressure. According to the invention, reliable, simple and efficient accumulated liquid management of the natural gas gathering and transportation pipeline is realized, the dependence on physical depressurization emptying operation is reduced, natural gas resource waste and environmental pollution are obviously reduced, and the field operation and maintenance cost is reduced.

The utility model discloses a detection device for a thermal production pipeline, which comprises an air tightness detection assembly, the air tightness detection assembly comprises a workbench, the outer wall of the top of the workbench is provided with a support frame, one side of the support frame is provided with a mounting frame, the outer wall of the top of the workbench is provided with an air pump, one side of the air pump is connected with a connecting pipe, and the connecting pipe is connected with a connecting rod. One end of the connecting pipe is connected with a connecting frame, the connecting frame is matched with the mounting frame, the connecting frame and the mounting frame are both provided with gaskets, one side of the connecting frame is provided with an electronic pressure gauge, one side of the air pump is connected with an air suction pipe, one end of the air suction pipe is detachably provided with a filter screen, and one side of the workbench is provided with a pressure detection assembly used for detecting the strength of the thermal production pipeline. The pressure detection assembly comprises a detection box, the detection box is fixed to the outer wall of the top of the workbench through bolts, two sets of hinges are arranged on one side of the detection box, a protective door is installed on one sides of the hinges and matched with the detection box, and a hydraulic lifting rod is arranged on the outer wall of the top of the protective door.

The utility model discloses a visual device for monitoring turbidity of liquid in a production pipeline, which comprises a flange pipeline, two sides of the pipeline are respectively provided with first sight glass and second sight glass, the two sight glass are fixed with the flange pipeline through a first connecting piece and a second connecting piece, the other side of the first connecting piece is fixedly connected with a camera side shell, and the other side of the second connecting piece is fixedly connected with a camera side shell. The other side of the second connecting piece is fixedly connected with the light source side shell; the bottom of the camera side shell is connected with a camera side bottom sliding plate, the camera side cooling fan is fixed on the camera side bottom sliding plate, a camera and a communication unit are fixed in the camera side shell, and a display screen connecting piece is fixed outside the camera side shell; a display screen is fixed on the display screen connecting piece; the bottom of the light source side shell is connected with a light source side bottom sliding plate, the light source side cooling fan is fixed to the light source side bottom sliding plate, and a light source and a light source controller are fixed into the light source side shell. The device is convenient to install, easy to maintain and convenient to use.

The application discloses a kind of for gas well ground multistage separation sand removal device, it is related to the technical field of petroleum engineering natural gas exploitation migration technology guarantee, including base, with rear end production pipeline communication's intake pipe section, connect on intake pipe section multistage separation pipe section and bypass pipe, be arranged in multistage separation pipe section below and with it communication's sand storage pipe section, multistage separation pipe section and bypass pipe end and multistage separation pipe section end between connection have elbow pipe nipple, it is provided with flat gate valve three on the elbow pipe nipple, the front end of multistage separation pipe section is provided with flat gate valve two, and flat gate valve one is arranged on the intake pipe section between multistage separation pipe section and bypass pipe;The application adopts cyclone centrifugal section separation and slotted screen pipe section separation two-section type sand removal mode, separation mode is efficient, and separation efficiency is high.

The application relates to the technical field of production pipelines, in particular to a mobile workbench positioning and locking device and a use method. A spring is arranged between the top surface of a shaft seat and the bottom surface of a mobile workbench, shaft rods are rotatably arranged between shaft seats in the same group, pulleys used in cooperation with tracks are sleeved on the shaft rods, a rotating rod is connected between the two shaft rods at the back side of the mobile workbench through a shaft coupling, a driving mechanism is connected to the rotating rod, a lifting mechanism is arranged on the opposite surface of a stand, a positioning block is arranged at the bottom end of the lifting mechanism, and positioning grooves used in cooperation with the positioning block are arranged at the two sides of the top surface of the mobile workbench. The positioning, lifting and locking three-in-one function is realized through the action of one oil cylinder, the actuating mechanism is saved, the positioning and locking and unlocking time is shortened, compared with the existing mobile workbench positioning and locking and unlocking process of the pipeline, the action mechanism is saved, the action time is shortened, and the application is suitable for promotion.

This invention provides a method and system for producing homopolymer products using an impact reactor, relating to the field of homopolymer product production technology. The invention includes adding various production pipelines and devices identical to those of the first reactor to a second reactor during the start-up process of the first reactor, and connecting the first and second reactors in parallel. After controlling process parameters to ensure the second reactor meets the reaction conditions, the second reactor is started up. The first and second reactors then produce homopolymer products in parallel. This invention, by setting the first and second reactors to operate in parallel, significantly increases the plant's production capacity while optimizing the polymerization process, thereby improving polymerization conversion rate, reducing the risk of resin accumulation and equipment blockage, and ensuring high product quality and production stability.

The invention belongs to the technical field of salt cavern energy storage, and discloses a sand production prevention and control method for an injection-production well of a compressed air energy storage reservoir. During sand production prevention and control, firstly, detection equipment is used for detecting the interior of a salt cavern cavity, the internal space is divided into a plurality of sand production sections, various tracer agent coatings are sprayed to the sand production sections one by one, injection-production production is carried out, the sand production position is judged according to the types of the tracer agent coatings contained in solid particles collected in a sand production collection device, and the sand production position is judged according to the types of the tracer agent coatings contained in the sand production collection device. And setting the corresponding sand production intervals as prevention and control intervals, blowing the prevention and control intervals, and spraying a plurality of curing agents onto the prevention and control intervals one by one, so as to realize sand production prevention and control. When the method is used for sand production prevention and control of the salt cavern cavity, sand production can be effectively prevented and controlled, injection-production production equipment and production pipelines are prevented from being blocked due to sand production of solid particles, meanwhile, the circulation of injection-production gas can be prevented from being restricted, and the working efficiency of injection-production production is guaranteed.

The utility model relates to a treatment device for extracting crude phenol from phenol-containing distillate oil and realizing zero discharge of wastewater, which comprises an alkali preparation tank, an extraction pipeline at the top of a crystallizer is connected with the alkali preparation tank, the alkali preparation tank is respectively connected with the upper part of an alkaline washing tower, the upper part of a regenerator and the upper part of an adsorption tower, and the lower part of the alkaline washing tower is connected with a phenol-containing distillate oil pipeline; the bottom of the alkaline tower is connected with the upper part of the stripping tower through a pipeline; the bottom of the stripping tower is connected with the decomposition tower through a pipeline; the decomposition tower is connected with the upper part of the extraction machine; an extraction pipeline at the top of the extraction machine is connected with the lower part of the regenerator; a bottom extraction pipeline of the regenerator is connected with the decomposition tower, a bottom extraction pipeline of the adsorption tower is connected with the upper part of the complexing tank, a regeneration outlet of the adsorption tower is connected with the decomposition tower, and the complexing tank is connected with the crystallizer. The device provided by the utility model can realize extraction of crude phenol from carbolic oil and zero discharge of wastewater, and thoroughly solves the environmental protection problem in the process of acid-base phenol extraction from coal tar.

The invention belongs to the technical field of natural gas production processes, and discloses a method and a system for judging liquid accumulation of a gas production pipeline with a complex structure. Acquiring intercept and slope of a preset linear model at different moments according to the upstream and downstream pressure difference of the well site external transportation pipeline at different moments and the preset linear model; and according to the intercept and the slope of the preset linear model at the adjacent moments, determining whether liquid accumulation occurs in the well site output pipeline, and if liquid accumulation occurs, determining the occurrence position of the liquid accumulation according to the preset slope of the linear model at the moment of all well sites. According to the method, automation of effusion judgment is achieved, manual intervention is reduced, the working efficiency is improved, meanwhile, the state of the effusion can be judged in real time by obtaining real-time data, response measures can be conveniently taken in time, and damage of the effusion to a pipeline is prevented.

The utility model relates to a treatment device for extracting crude phenol from phenol-containing distillate oil and realizing zero discharge of wastewater, which comprises an alkali preparation tank, a top extraction pipeline of a crystallizer is connected with the alkali preparation tank, a dilute alkali outlet of the alkali preparation tank is connected with the upper part of an alkaline washing tower and the upper part of an adsorption tower, the lower part of the alkaline washing tower is connected with a phenol-containing distillate oil pipeline, and the bottom of the alkaline washing tower is connected with the upper part of a stripping tower through a pipeline; a sodium salt solution outlet of the decomposition tower is connected with the upper part of the extraction tower through a pipeline; the lower part of the extraction tower is connected with an extraction agent supply pipeline; a top extraction pipeline of the extraction tower is connected with the upper part of the regeneration tower; a bottom extraction pipeline of the extraction tower is connected with the top of the adsorption tower; a top extraction pipeline of the regeneration tower is connected with an extraction agent supply pipeline, a bottom extraction pipeline of the adsorption tower is connected with the upper part of the complexing tank, a regeneration outlet of the adsorption tower is connected with the decomposition tower, and the complexing tank is connected with the crystallizer. The device provided by the utility model can realize extraction of crude phenol from carbolic oil and zero discharge of wastewater, and thoroughly solves the environmental protection problem in the process of acid-base phenol extraction from coal tar.

The utility model relates to the technical field of natural gas pipeline plug removal, in particular to a natural gas pipeline plug removal methanol injection temperature raising device which comprises a natural gas pipeline, a methanol injection pump, a diesel engine, an outer shell and a double-wall hollow heat exchange cylinder. A methanol inflow pipe is arranged at one end of the sealed space and connected with the outlet end of the methanol injection pump, a methanol outflow pipe is arranged at the other end of the sealed space and connected with a natural gas pipeline, the double-wall hollow heat exchange cylinder is sleeved with the outer shell, and a channel is formed in the center of the double-wall hollow heat exchange cylinder. A tail gas pipe of the diesel engine is communicated with a central channel of the double-wall hollow heat exchange cylinder, and the end, close to the diesel engine, of the outer shell is connected with a tail gas exhaust pipe. Low-temperature (-30 DEG C) methanol is heated to 15 DEG C or above by means of tail gas waste heat of the diesel engine, and the problem that injection of low-temperature methanol in winter is accelerated, and blockage of a shaft or a gas production pipeline is aggravated is solved.

The utility model relates to the technical field of emulsion explosive production, and discloses a preheating device for an emulsion explosive production pipeline, which comprises a material guide pipe and is characterized in that a combined gas guide pipe is fixedly sleeved on the surface of the material guide pipe and is formed by splicing a plurality of assembly arc pipes; a plurality of sets of telescopic cylinders are fixed to the surface of the assembly arc pipe at equal intervals, the output end of each telescopic cylinder extends into the inner side wall of the assembly arc pipe, a thermal insulation arc pipe is fixed to the movable ends of the telescopic cylinders in all the sets, and a plurality of temperature sensors are fixed to the surface of the assembly arc pipe at equal intervals. A temperature sensor is fixed on the inner side wall of the assembly arc tube, the detection end of the temperature sensor extends into the inner side wall of the assembly arc tube, a first thermal insulation layer is fixed on the inner side wall of the assembly arc tube, a second thermal insulation layer is fixed on the outer side wall of the thermal insulation arc tube, and a third thermal insulation layer is fixed on the inner side wall of the thermal insulation arc tube. The preheating efficiency of warm air to the pipeline is improved, and the preheating time is shortened.

The utility model relates to a kind of for oil well intelligentization accompanying drop production pipeline back pressure device, including a liquid storage tank, the liquid outlet of this liquid storage tank is connected with the inlet of a liquid pipeline, the outlet of this liquid pipeline is connected with the oil pipeline for conveying crude oil, further including a matching this liquid pipeline and can adjust the liquid flow of passing through this liquid pipeline adjustment part, further including a pressure sensor, it is installed in the oil pipeline, the adjustment part is electrically connected the pressure sensor.Pressure sensor is set on oil pipeline, the pressure of oil pipeline can be monitored in real time, and adjustment part is set, and the liquid flow of input can be adjusted in real time according to the pressure of real-time monitoring, liquid waste can be avoided.At the same time, this mode does not need manual operation, reduce cost, improve efficiency.

The utility model relates to the field of high-purity gas recycling, in particular to a reusable high-purity helium recovery device. Comprising a pneumatic diaphragm valve, a filter, a recovery tank, a one-way reciprocating pump and a helium tank which are arranged along the flow direction of high-purity helium, the pneumatic diaphragm valve is used for controlling the pressure of the recovery tank; the filter is used for filtering solid particles in high-purity helium; the recovery tank is used for recovering high-purity helium, and the one-way reciprocating pump is used for compressing and pressurizing the high-purity helium in the recovery tank and filling the high-purity helium into a helium bottle. According to the nitrogen trifluoride production pipeline recycling device, the recycling device capable of recycling the high-purity helium is connected in the nitrogen trifluoride production pipeline, waste of the high-purity helium is reduced through repeated use, the production cost requirement can be lowered, the cleanliness of the production pipeline can be guaranteed through the recycled high-purity helium, and the production quality is improved.