An elemental mud logging sample pre-preparation system and method

Abstract

The application provides an element logging sample pre-preparation system and method, and the pre-preparation system comprises a mounting table, an in-out material module, a grinding and cleaning module, a multifunctional module, a pressing module, a sample transfer module, a waste recovery module and a control module, wherein the in-out material module comprises a feeding unit and a discharging unit, the feeding unit and the discharging unit both comprise a conveying slide rail and a linear vibrator, a plurality of sample preparation dishes can be placed on the conveying slide rail at the same time, and the linear vibrator can vibrate the sample preparation dishes on the conveying slide rail to perform feeding and discharging operations; the multifunctional module comprises a drying unit, a photographing unit and a packaging and marking unit, the drying unit can perform drying operations on the samples, the photographing unit can take pictures of the samples and transmit image data to the control module, and the packaging and marking unit can package and mark the samples. The application integrates a touch type operation interface, can realize one-key operation and man-machine interaction function, and has less manual intervention and high automation degree.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oil and gas well drilling and logging, in particular to an element logging sample pre-preparation system and method. BACKGROUND

[0002] The rapid development and wide application of intelligence in the field of petroleum industry benefit from the high-quality data obtained from various types of measuring sensors on the ground and in the well in recent years, and benefit from the automation and intelligence level of various mechanical equipment and instruments. The automation and intelligence of the petroleum industry are the basis for the development of artificial intelligence. As for the logging industry, the domestic logging companies have basically realized the automation of single logging reservoir interpretation technology, that is, the conclusion of a certain interpretation technology is directly obtained according to the input parameters, but different logging technologies may lead to different interpretation conclusions in the same well section due to different principles, and the final conclusion currently mainly relies on the experience of interpreters, which is highly subjective and low in efficiency, is not conducive to objectively and efficiently understanding the reservoir characteristics and geologic comprehensive evaluation, and the traditional logging interpretation technology relying on manual judgment has been difficult to meet the new rhythm of oil and gas exploration, and it is urgent to develop intelligent logging interpretation to fully tap the value of logging data and improve the efficiency of logging interpretation. SUMMARY

[0003] The present application aims to solve at least one of the above deficiencies in the prior art. For example, one of the purposes of the present application is to provide an element logging sample pre-preparation system and method to improve the preparation efficiency of logging samples and improve the quality of element logging data.

[0004] To achieve the above-mentioned purpose, the present application provides an element logging sample pre-preparation system, which comprises a mounting table, an in-out material module, a grinding and cleaning module, a multifunctional module, a pressing module, a sample transfer module, a waste recycling module and a control module, wherein the in-out material module, the grinding and cleaning module, the multifunctional module, the pressing module and the sample transfer module are all installed on the tabletop of the mounting table; the in-out material module comprises a feeding unit and a discharging unit, both of which comprise a connected conveying slide rail and a linear vibrator, a plurality of sample preparation dishes can be placed on the conveying slide rail at the same time, and the linear vibrator can vibrate the samples in the sample preparation dishes on the conveying slide rail to perform feeding and discharging operations; the grinding and cleaning module can perform grinding and cleaning operations on the samples; the multifunctional module comprises a mounting seat, a drying unit, a photographing unit and an encapsulation and marking unit, wherein the drying unit, the photographing unit and the encapsulation and marking unit are all installed on the mounting seat, the drying unit can perform drying operations on the samples, the photographing unit can take pictures of the samples and transmit image data to the control module, and the encapsulation and marking unit can encapsulate and mark the samples; the pressing module can press the samples to form a sample pellet, and the sample transfer module can transfer the sample pellet to a sample storage box.

[0005] The control module can control the operation of the in-out material module, the grinding and cleaning module, the multifunctional module, the pressing module and the sample transfer module.

[0006] The sample preparation module can press the sample into a sample; the sample transfer module can move the sample between the modules; the waste recycling module can recycle and process the harmful substances in the operation chamber; the control module is connected with each module and can control each module, collect, manage, output and troubleshoot at least one of the data of the sample preparation process.

[0007] Optionally, the grinding and cleaning module can include a grinder, a cleaning unit and a sewage discharge unit, the grinder can grind the sample; the cleaning unit is arranged above the grinder and includes a water pipe, the lower end of the water pipe extends into the grinder and can inject clean water into the grinder to clean the sample; the sewage discharge unit is arranged below the grinder and can discharge the sewage generated in the grinder into the waste recycling module.

[0008] The grinder can grind the sample; the cleaning unit is arranged above the grinder and includes a water pipe, the lower end of the water pipe extends into the grinder and can inject clean water into the grinder to clean the sample; the sewage discharge unit is arranged below the grinder and can discharge the sewage generated in the grinder into the waste recycling module.

[0009] Optionally, the drying unit can include a heater and a stirring assembly, the heater is arranged on the mounting seat and can heat the sample, the stirring assembly includes a stirring rod, a rotating mechanism and a moving mechanism, the stirring rod is arranged above the heater, the rotating mechanism is fixedly connected to the upper end of the stirring rod, and the moving mechanism is fixedly connected with the rotating mechanism.

[0010] The moving mechanism can extend the stirring rod into the heater, and the rotating mechanism can drive the stirring rod to rotate to stir the sample.

[0011] Optionally, the pressing module can include a base, a pressure sensor and a pressing machine, the pressure sensor is arranged on the base, and the pressing machine is arranged above the pressure sensor, the pressing machine includes a replaceable pressing head,

[0012] which can press the sample placed on the pressure sensor, and the pressure sensor can transmit pressure data to the control module.

[0013] Optionally, the sample transfer module can include a horizontal guide rail, a vertical guide rail and a mechanical hand, the lower end of the vertical guide rail is slidably connected to the horizontal guide rail, the vertical guide rail can move laterally along the horizontal guide rail,

[0014] the mechanical hand is slidably connected to the vertical guide rail, the mechanical hand can move up and down along the vertical guide rail, and the mechanical hand can

[0015] grasp the sample container containing the sample to move the sample between the modules.

[0016] Optionally, the pre-preparation system can further include an operation chamber, the operation chamber is fixedly installed on the mounting table, and the feeding and discharging module, the grinding and cleaning module, the multifunctional module, the pressing module and the sample transfer module are arranged in the operation chamber.

[0017] Optionally, the waste recovery module may include an air bin, an air duct, an exhaust fan and a recovery device.

[0018] The wind bin is arranged at the upper end of the operating room, the exhaust fan and the recovery device are installed under the table top of the mounting table, and the air ducts are respectively connected between the wind bin and the exhaust fan, and between the exhaust fan and the recovery device. The wind bin can suck the harmful substances in the operating room into the recovery device through the exhaust fan.

[0019] Alternatively, the photographing unit may include a photographing room and a camera, and the sample can be placed in the photographing room and photographed by the camera.

[0020] Another aspect of the present invention provides an element logging sample pre-preparation method, wherein the element logging sample pre-preparation method uses the above-mentioned element logging sample pre-preparation system to prepare the sample.

[0021] Alternatively, the pre-preparation method may include the following steps:

[0022] S1: placing the sample preparation dish containing the sample into the feeding unit;

[0023] S2: The feeding unit feeds the sample into the grinding and cleaning module for grinding and cleaning operations;

[0024] S3: The sample transport module sends the sample to the drying unit for drying;

[0025] S4: The sample transport module sends the sample to the photographing unit for photographing to determine whether the sample is qualified;

[0026] S5: The sample transport module sends the qualified samples to the pressing module for pressing into samples;

[0027] S6: The sample transport module sends the qualified samples to the packaging and marking unit for packaging and marking;

[0028] S7: The discharging unit sends the qualified samples that have been packaged and marked out of the pre-preparation system.

[0029] Optionally, step S5 may also include: if the sample is judged to be unqualified after taking photos in step S4, the grinding operation in the grinding and cleaning module is stopped by the control module, the pre-preparation system is reset to zero, the unqualified sample is exited, and steps S2 to S4 are repeated.

[0030] Optionally, the operations of each module in steps S2 to S7 can be controlled by the control module, and the control module can collect the image data of the photographing unit in step S4 to determine whether the sample is qualified.

[0031] The beneficial effects of the present application compared to the prior art include at least one of the following:

[0032] 1、The present application is fully closed-loop in the implementation of rock debris camera and image acquisition functions, and is more functional, providing a standard color temperature shooting rock debris photo environment in a closed operation space, which helps to improve the subjective error rate of naked eye observation under different lighting conditions such as daytime, nighttime and dusk, and improve the reliability of image basis for intuitive identification of rock debris data.

[0033] 2、Compared with simple rock debris photography, the present application can realize one-key completion of a series of functions, and integrates a touch-type operation interface to provide more complete human-computer interaction functions, with less manual intervention, higher standardization and automation.

[0034] 3、The present application provides complete functions such as unattended continuous sampling, grinding and pressing molding, shooting under standard lighting conditions and harmless dust treatment in the aspects of rock debris preparation and element logging auxiliary sample preparation. The hydraulic device used in the present application can safely and effectively realize rock debris pre-preparation of different precision and grinding degree and loading into a molding dish corresponding to the element logging dish, a replaceable pressure head is used, which on the one hand improves the universality and rapid replacement ability of consumables, and on the other hand ensures the requirements of the dish size of the element logging equipment for adapting to different types of sample loading dishes, realizes direct and seamless docking and marking, and has higher compatibility and reliability. BRIEF DESCRIPTION OF DRAWINGS

[0035] The above and other objects and / or characteristics of the present application will become more apparent from the following description made with reference to the accompanying drawings, in which:

[0036] Figure 1 An overall structure diagram of an element logging sample pre-preparation system of an exemplary embodiment 1 of the present application is shown.

[0037] Figure 2 An overall structure diagram of an element logging sample pre-preparation system without an operation room of an exemplary embodiment 1 of the present application is shown.

[0038] Figure 3 A feeding and discharging module schematic diagram in the element logging sample pre-preparation system of the exemplary embodiment 1 of the present application is shown.

[0039] Figure 4 A grinding and cleaning module schematic diagram in the element logging sample pre-preparation system of the exemplary embodiment 1 of the present application is shown.

[0040] Figure 5 A multifunctional module schematic diagram in the element logging sample pre-preparation system of the exemplary embodiment 1 of the present application is shown.

[0041] Figure 6Fig. 1 shows a schematic diagram of a pressing module in the elemental logging sample pre-preparation system of the exemplary embodiment 1 of the present application.

[0042] Figure 7 Fig. 2 shows a schematic diagram of a sample transfer module in the elemental logging sample pre-preparation system of the exemplary embodiment 1 of the present application.

[0043] Figure 8 Fig. 3 shows a schematic diagram of a waste recycling module in the elemental logging sample pre-preparation system of the exemplary embodiment 1 of the present application.

[0044] Figure 9 Fig. 4 shows a flow chart of the elemental logging sample pre-preparation method of the exemplary embodiment 2 of the present application.

[0045] Legend of reference signs:

[0046] 1-mounting table, 2-operation room, 3-in-out module, 31-inlet unit, 311-conveying slide rail, 312-linear vibrator, 32-outlet unit, 4-grinding and cleaning module, 41-grinder, 42-cleaning unit, 421-water pipe, 43-drainage unit, 431-sewage pool, 5-multifunctional module, 51-mounting seat, 52-drying unit, 521-heater, 522-stirring assembly, 5221-stirring rod, 5222-rotary mechanism, 5223-moving mechanism, 53-photographing unit, 531-camera, 54-sealing and marking unit, 541-marking machine, 6-pressing module, 61-base, 62-pressure sensor, 63-pressing machine, 631-replaceable pressing head, 632-electric servo cylinder, 7-sample transfer module, 71-horizontal guide rail, 72-vertical guide rail, 73-robotic arm, 74-guide rail air cylinder, 8-waste recycling module, 81-air tank, 82-air pipe, 83-exhaust fan, 84-recycling device, 85-collecting pipe, 9-control module, 91-touch screen. DETAILED DESCRIPTION

[0047] Hereinafter, an elemental logging sample pre-preparation system and method of the present application will be described in detail with reference to the accompanying drawings and exemplary embodiments.

[0048] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0049] The terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply relative importance or a quantity of the indicated technical features. Thus, features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified and limited, the term "a plurality of" means two or more.

[0050] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] The rapid development and wide application of intelligence in the field of petroleum industry benefit from the high-quality data obtained by various types of measuring sensors from the ground and downhole in recent years, and from the automation and intelligent level of various mechanical equipment and instruments. The automation and intelligence of petroleum industry are the basis of the development of artificial intelligence. At present, in the related technology of mud logging, the domestic mud logging companies have basically realized the automation of single mud logging reservoir interpretation technology, that is, the conclusion of a certain interpretation technology is directly obtained according to the input parameters, but the principles of different mud logging technologies are different, which may lead to different interpretation conclusions by applying different mud logging technologies to the same well section. At present, the final conclusion mainly depends on the experience of interpreters, which is subjective and inefficient, and is not conducive to objectively and efficiently understanding the reservoir characteristics and geological comprehensive evaluation. The traditional mud logging interpretation technology relying on manual judgment has been difficult to meet the new rhythm of oil and gas exploration, and it is urgent to carry out intelligent research on mud logging interpretation to fully tap the value of mud logging data and improve the efficiency of mud logging interpretation.

[0052] Based on this, the application provides an element logging sample pre-preparation system, which comprises a mounting table, an in-out material module, a grinding and cleaning module, a multifunctional module, a pressing module, a sample transfer module, a waste recycling module and a control module, wherein the in-out material module, the grinding and cleaning module, the multifunctional module, the pressing module and the sample transfer module are all mounted on the tabletop of the mounting table; the in-out material module comprises a feeding unit and a discharging unit, and both the feeding unit and the discharging unit comprise connected conveying slide rails and linear vibrators; a plurality of sample preparation dishes can be placed on the conveying slide rails at the same time; the linear vibrators can vibrate the samples in the sample preparation dishes on the conveying slide rails to perform feeding and discharging operations; the grinding and cleaning module can perform grinding and cleaning operations on the samples; the multifunctional module comprises a mounting seat, a drying unit, a photographing unit and an encapsulation and marking unit, wherein the drying unit, the photographing unit and the encapsulation and marking unit are all mounted on the mounting seat; the drying unit can perform drying operations on the samples; the photographing unit can take pictures of the samples and transmit image data to the control module; and the encapsulation and marking unit can encapsulate and mark the samples; the pressing module can press the samples into samples; the sample transfer module can move the samples between the modules; the waste recycling module can recycle and process harmful substances in the operation room; and the control module is connected with the modules and can control the modules, collect, manage, output and troubleshoot data of the sample preparation process.

[0053] The application has a complete closed loop in the functions of rock debris camera shooting and image collection, is richer in functions, provides a standard color temperature shooting rock debris photo environment in a closed operation space, helps to improve the subjective error rate of naked eye observation under different light conditions such as daytime, night and dusk, and improve the reliability of image basis for intuitive identification of rock debris data; compared with simple rock debris shooting, the application can realize one-key completion of a series of functions, integrates a touch operation interface, provides relatively complete man-machine interaction function, has less manual intervention, is standardized and has higher automation; the application provides complete functions such as unattended continuous sample feeding, grinding and pressing molding, shooting under standard light conditions and harmless dust treatment in the aspects of rock debris preparation and element logging auxiliary sample preparation. The hydraulic device adopted by the application can safely and effectively realize rock debris pre-preparation of different precision and grinding degree and loading into a corresponding molding dish of an element logging dish, the replaceable pressing head can improve the universality and rapid replacement ability of vulnerable parts, and can ensure the requirements of dish size of the element logging equipment adapted to different types of sample loading dishes, realize direct and seamless docking, and has higher compatibility and reliability.

[0054] Example embodiment 1

[0055] The example embodiment provides an element logging sample pre-preparation system.

[0056] Figure 1FIG. 1 shows the overall structure of the element logging sample preparatory system according to the exemplary embodiment 1 of the present invention. Figure 2 FIG1 shows the overall structure of the element logging sample preparation system without an operation room according to the exemplary embodiment 1 of the present invention. Figure 3 Schematic diagram of the feed and discharge modules in the element logging sample preparatory system according to exemplary embodiment 1 of the present invention is shown. Figure 4 Schematic diagram of a grinding and cleaning module in an element logging sample preparatory system according to exemplary embodiment 1 of the present invention is shown. Figure 5 Schematic diagram of a multifunctional module in an element logging sample pre-preparation system according to exemplary embodiment 1 of the present invention is shown. Figure 6 Schematic diagram of a suppression module in an element logging sample preparatory system according to exemplary embodiment 1 of the present invention is shown. Figure 7 Schematic diagram of a sample transport module in an element logging sample pre-preparation system according to exemplary embodiment 1 of the present invention is shown. Figure 8 A schematic diagram of a waste recovery module in an element logging sample preparatory system according to exemplary embodiment 1 of the present invention is shown.

[0057] like Figures 1 to 8 As shown in , the element logging sample preparation system described in this exemplary embodiment may include a mounting table 1, an operating chamber 2, an input and output module 3, a grinding and cleaning module 4, a multi-function module 5, a pressing module 6, a sample transport module 7, a waste recovery module 8 and a control module 9.

[0058] The tabletop of mounting platform 1 has a certain height. The operating chamber 2 is a housing composed of a frame made of a non-transparent material such as metal or plastic and a visualization window made of a transparent material such as glass. Mounting the operating chamber 2 on the mounting platform 1 seals the interior of the operating chamber 2 and isolates it from the outside. The loading and unloading module 3, grinding and cleaning module 4, multi-function module 5, pressing module 6, and sample transfer module 7 are all mounted on the tabletop of mounting platform 1 and are also located within the operating chamber 2. The visualization window in the operating chamber 2 allows for observation of the operation of each module on the mounting platform 1.

[0059] In the embodiment, the feeding and discharging module 3 can include a feeding unit 31 and a discharging unit 32. The feeding unit 31 is arranged above the discharging unit 32. The feeding unit 31 includes a conveying slide rail 311 and a linear vibrator 312. The conveying slide rail 311 is fixedly installed at the upper end of the linear vibrator 312. During the feeding process, the sample preparation dish containing the rock sample is placed on the conveying slide rail 311. The conveying slide rail 311 can be vibrated under the driving of the linear vibrator 312, so as to convey the rock sample in the sample preparation dish to the grinding and cleaning module 4, thereby realizing the dynamic feeding function. Similarly, the discharging unit 32 can also include a conveying slide rail and a linear vibrator. The conveying slide rail is fixedly installed at the upper end of the linear vibrator. After the sample pressing is completed, during the discharging process, the sample preparation dish containing the rock sample can be placed on the conveying slide rail from the pressing module 6. The conveying slide rail can be vibrated under the driving of the linear vibrator, so as to output the rock sample in the sample preparation dish from the pressing module 6, thereby realizing the dynamic discharging function.

[0060] Further, a plurality of sample preparation dishes can be placed on the conveying slide rail 311 in the feeding unit 31. The batch feeding of the samples can be realized under the driving of the linear vibrator 312.

[0061] Similarly, a plurality of sample preparation dishes can also be placed on the conveying slide rail in the discharging unit 32. The batch discharging of the samples can also be realized under the driving of the linear vibrator. However, the present application is not limited thereto. The conveying slide rail can be replaced by other components such as a feeding disc or a conveyor belt. The linear vibrator can be replaced by other conveying devices, as long as the batch feeding of the sample preparation dishes can be realized and the feeding and discharging functions of the samples can be realized.

[0062] In the embodiment, the grinding and cleaning module 4 is a grinding all-in-one machine, which can include a grinder 41, a cleaning unit 42 and a sewage discharge unit 43. The grinder 41, the cleaning unit 42 and the sewage discharge unit 43 are all integrated in the grinding all-in-one machine. The grinder 41 includes a grinding bin and a grinding head. The grinding head can grind the sample placed in the grinding bin. The cleaning unit 42 includes a water pump, a water tank and a water pipe 421. The lower end of the water pipe 421 can extend into the grinder 41. The water pump injects clean water into the water tank, and then the water flows into the grinder 41 through the water pipe 421. The cleaning unit 42 can clean the sample during the grinding process of the grinder 41, so as to avoid the dust and harmful substances generated during the grinding process from entering the air and causing pollution. However, the present application is not limited thereto. The cleaning unit 42 can also include other cleaning components, as long as the cleaning function of the sample can be realized. The grinder 41 can also include other grinding components, as long as the grinding treatment of the sample can be realized.

[0063] Furthermore, the sewage discharge unit 43 may include a sewage pool 431 and a drain pipe (not shown in the figure), and the drain pipe is connected to the bottom of the sewage pool 431. The sewage generated after the cleaning unit 42 cleans the sample in the grinder 41 can flow into the sewage pool 431, and then finally flow into the waste recovery module 8 through the drain pipe to be recycled and processed. The discharge and recovery of the sewage unit 43 and the waste recovery module 8 can effectively avoid the sewage generated by sample cleaning from polluting the environment, and ensure the cleanliness of the sample preparation process, but the present invention is not limited to this. The sewage discharge unit 43 may also include other forms of sewage discharge components, as long as the centralized discharge and recovery of sewage can be achieved.

[0064] In this embodiment, the multifunctional module 5 may include a mounting seat 51 , a drying unit 52 , a photographing unit 53 and a package marking unit 54 , and the drying unit 52 , the photographing unit 53 and the package marking unit 54 are all mounted on the mounting seat 51 .

[0065] Among them, the drying unit 52 may include a heater 521 and a stirring assembly 522. The heater 521 is installed on the table of the mounting base 51. The sample preparation dish containing the ground and cleaned sample can be placed on the heater 521, and the sample in the sample preparation dish is dried by heating by the heater 521. In the present invention, the heater is not limited to the form specified in this embodiment. As long as the heating and drying operation of the sample can be achieved, it falls within the protection scope of the present invention.

[0066] Furthermore, the stirring assembly 522 may include a stirring rod 5221, a rotating mechanism 5222 and a moving mechanism 5223. The moving mechanism 5223 is composed of a sliding track and a slider vertically arranged on the table top of the mounting seat 51. The slider can be embedded in the sliding track and can slide up and down along the sliding track. The sliding block is fixedly connected to the rotating mechanism 5222, and the lower end of the rotating mechanism 5222 is fixedly connected to a plurality of stirring rods 5221. After the sample preparation dish is placed on the heater 521, the rotating mechanism 5222 and the stirring rod 5221 can be driven downward along the sliding track by controlling the slider, and the stirring rod 5221 is extended into the sample preparation dish. Then, the rotating mechanism 5222 is controlled to drive the stirring rod 5221 to rotate, thereby realizing the stirring function of the sample in the sample preparation dish. The stirring assembly 522 stirs the sample during the heating and drying process, which can improve the drying efficiency and drying effect. However, the present invention is not limited to this. The stirring assembly 522 can also include other forms of stirring components as long as the stirring operation of the sample can be realized.

[0067] Further, the photographing unit 53 can include a camera 531 and a photographing chamber (not shown in the figure), wherein the camera 531 can be a high-definition industrial camera, and the photographing chamber can be a square opaque darkroom, which can provide standard, uniform and consistent color temperature light, and ensure that the photographed photos can be horizontally contrasted, and more convenient for machine recognition and deep utilization. When photographing, the sample can be placed in the photographing chamber, the color temperature of the light in the photographing chamber is adjusted to make the sample under standard light, and then the camera 531 is aimed at the sample in the photographing chamber to take a photo, and the photographing unit 53 transmits the photographed image data to the control module 9 for storage, recognition and contrast utilization. However, the present application is not limited thereto, the number of cameras 531 can be any number, and the form can also be other types of photographing tools other than high-definition industrial cameras, as long as the required sample image can be generated, and the shape of the photographing chamber is not limited to square, as long as a standard color temperature photographing environment can be provided.

[0068] Further, the packaging and marking unit 54 can include a marking machine 541 and a packaging machine (not shown in the figure), and the marking machine 541 can be selected as an intelligent static inkjet printer. During packaging and marking, the sample-containing sample preparation dish is placed at the packaging and marking unit 54, the marking machine 541 marks on the thermal paper tape according to the PLC software record, and the marking includes digital marks such as "serial number", "number", "well depth", etc., which is convenient for verification, then the easy-to-stick paper tape is covered on the edge of the sample preparation dish by rotating the paper sticking roller of the packaging machine around the sample preparation dish, and the thermal paper tape after marking is pasted on the sample preparation dish, and then the film covering roller of the packaging machine above the sample preparation dish is rotated to complete the film pressing operation of the sample preparation dish, and the packaging and marking of the sample preparation dish are completed. However, the present application is not limited thereto, the marking machine 541 can also be selected as other marking devices other than the intelligent static inkjet printer, as long as it can mark on the target object, and the paper sticking roller and film covering roller in the packaging machine can also be other types of packaging mechanisms, as long as they can realize the packaging operation of the sample preparation dish.

[0069] In the embodiment, the pressing module 6 can include a base 61, a pressure sensor 62 and a pressing machine 63, wherein the pressure sensor 62 is installed on the base 61, the sample preparation dish can be placed on the pressure sensor 62, the pressing machine 63 is fixedly installed above the pressure sensor 62, the pressing machine 63 includes a replaceable pressing head 631 and an electric servo cylinder 632, during the pressing operation, the sample preparation dish is placed on the pressure sensor 62, the electric servo cylinder 632 is operated to control the downward movement of the replaceable pressing head 631, the replaceable pressing head 631 is extended into the sample preparation dish to apply downward pressure on the sample in the sample preparation dish, at the same time, the pressure sensor 62 can transmit the real-time pressure value to the control module 9, so as to control the pressure of the replaceable pressing head 631 on the sample, the replaceable pressing head 631 can be replaced according to the size of the sample preparation dish, so as to adapt to sample preparation dishes of various specifications, to realize the direct and seamless docking between the pressing head and the sample preparation dish, and to improve the compatibility and reliability of the pressing module 6, and the sample in the sample preparation dish can form a cake after pressing, to be ready for the next process. However, the present application is not limited thereto, the pressure sensor 62 can be arranged at other positions such as the replaceable pressing head 631 or in the pressing machine 63, as long as the real-time pressure of the replaceable pressing head 631 on the sample can be accurately measured.

[0070] In the embodiment, the sample transfer module 7 includes a horizontal guide rail 71, a vertical guide rail 72, a mechanical hand 73 and a guide rail cylinder 74, the horizontal guide rail 71 is horizontally installed on the table top of the installation table 1, the lower end of the vertical guide rail 72 is slidably installed on the horizontal guide rail 71, the vertical guide rail 72 can be horizontally moved along the horizontal guide rail 71 under control, the horizontal moving distance is 1200mm, one end of the mechanical hand 73 is connected with the guide rail cylinder 74, the guide rail cylinder 74 is slidably installed on the vertical guide rail 72, the mechanical hand 73 and the guide rail cylinder 74 can be vertically moved up and down along the vertical guide rail 72 under control, the vertical moving distance is 350mm, that is to say, by simultaneously controlling the horizontal guide rail 71 and the vertical guide rail 72, the mechanical hand 73 can be simultaneously moved in the horizontal and vertical directions, and the mechanical hand 73 and the object to be grabbed are aligned, so that the mechanical hand 73 performs the grabbing operation; the guide rail cylinder 74 is used to accurately give the grabbing position of the mechanical hand 73, the maximum diameter of the object that can be gripped by the mechanical hand 73 is 120mm, the mechanical hand 73 can grab the sample preparation dish in the above-mentioned modules (such as the feeding and discharging module 3, the grinding and cleaning module 4, the multifunctional module 5 and the pressing module 6), and move the sample preparation dish between the modules, to realize the automatic operation of the sample transfer between the processes, but the present application is not limited thereto, the sample transfer module 7 can also include other forms of moving and positioning mechanisms in addition to the horizontal guide rail 71 and the vertical guide rail 72, such as a six-degree-of-freedom industrial robot, the horizontal and vertical moving distances of the mechanical hand 73 can also be other sizes except 1200mm and 350mm, and the maximum grippable size of the mechanical hand 73 can also be other sizes except 350mm.

[0071] In the embodiment, the waste recycling module 8 comprises an air tank 81, an air pipe 82, an air extractor 83, a recycling device 84 and a collecting pipe 85, wherein the air tank 81 is installed at the top end of the operation chamber 2, the air extractor 83 and the recycling device 84 are installed below (i.e. inside) the table top of the installation table 1, the air tank 81 and the air extractor 83 are connected through the air pipe 82, the air extractor 83 and the recycling device 84 are connected through the collecting pipe 85, the air tank 81 can suck the gas in the operation chamber 2 under the driving of the air extractor 83, the gas enters the air pipe 82 through the air tank 81, then enters the collecting pipe 85 through the air extractor 83, and finally the harmful substances (such as dust, etc.) are filtered by the recycling device 84, so as to realize the recycling and treatment of the waste in the gas in the operation chamber 2, and the recycling device 84 can also recycle the sewage in the sewage discharge unit 43, through the sewage tank 431, the drain pipe and the collecting pipe 85, and finally the sewage is discharged into the recycling device 84 for recycling and treatment, but the present application is not limited to this, the waste recycling module 8 can also comprise other components for waste recycling, as long as it can realize the function of recycling and treating the waste in the operation chamber 2 and the sewage discharge unit 43.

[0072] In the embodiment, the control module 9 can comprise hardware and control software, the hardware can comprise, for example, a touch screen 91, a connecting cable, etc., and the control software can comprise, for example, a PLC control program, etc., the control module 9 can realize one-key control of the above-mentioned modules, for example, can control the operation of the linear vibrator 312 in the feeding and discharging module 3, so as to control the feeding and discharging work of the sample; can control the grinding and cleaning work of the sample by the grinding and cleaning module 4; can control the heating and stirring work of the sample by the drying unit 52; can control the sample to be photographed and analyzed by adjusting the color temperature parameters of the camera 531 and the photographing chamber by the photographing unit 53; can control the sample to be pressed by monitoring and setting the pressure value by the pressing module 6; and can control the sample to be packaged and marked by the packaging and marking unit 54. The touch screen 91 is integrated with a touch operation interface, and a complete man-machine interaction function is provided, with less manual intervention, high standardization and high automation. In the present application, the control module 9 is not limited to the form defined in the embodiment, as long as it can realize the control, parameter monitoring, collection, analysis and processing of the modules in the system, it belongs to the protection scope of the present application.

[0073] Example 2

[0074] The present example embodiment provides an elemental logging sample pre-preparation method.

[0075] The elemental logging sample pre-preparation method in the present example embodiment is performed by using the elemental logging sample pre-preparation system as described in example embodiment 1.

[0076] Figure 9A flow chart of the sample preparation method of the exemplary embodiment 2 of the present application is shown.

[0077] The sample preparation method of the present exemplary embodiment will be described below in conjunction with Figures 1 to 9 The sample preparation method of the present exemplary embodiment can include the following steps:

[0078] S1: Place the sample preparation dish containing the rock sample on the conveying slide rail 311 in the feeding unit 31.

[0079] S2: Control the linear vibrator 312 in the feeding unit 31 to send the sample into the grinding and cleaning module 4 for grinding and cleaning operation by the control module 9, start the grinder 41 to grind the sample, then start the cleaning unit 42 to inject clean water into the grinder 41 through the water pipe 421 to clean the sample, and then discharge the sewage generated in the cleaning operation through the sewage discharge unit 43.

[0080] S3: Control the manipulator 73 in the sample transfer module 7 to clamp the sample preparation dish to send the ground and cleaned sample into the drying unit 52 for drying operation by the control module 9, start the heater 521 to heat the sample, and at the same time, start the stirring assembly 522 to extend the stirring rod 5221 into the sample preparation dish, then control the rotating mechanism 5222 to rotate the stirring rod 5221 to stir the sample.

[0081] S4: Control the manipulator 73 in the sample transfer module 7 to clamp the sample preparation dish to send the dried sample into the photographing unit 53 for photographing by the control module 9, place the sample in the photographing chamber, adjust the color temperature of the light in the photographing chamber to make the sample under standard light, then aim the camera 531 at the sample in the photographing chamber to take a photo, and then the photographing unit 53 transmits the photographed image data to the control module 9 for storage, identification and comparison to determine whether the sample is qualified.

[0082] S5: If the sample is determined to be qualified in step S4, control the manipulator 73 in the sample transfer module 7 to clamp the sample preparation dish to send the qualified sample into the pressing module 6 for sample preparation by the control module 9, place the sample preparation dish on the pressure sensor 62, operate the electric servo cylinder 632 to control the replaceable pressing head 631 to move downward, extend the replaceable pressing head 631 into the sample preparation dish to apply downward pressure to the sample in the sample preparation dish, and at the same time, the pressure sensor 62 can transmit the real-time pressure value to the control module 9 to control the pressure of the replaceable pressing head 631 to press the sample.

[0083] If the sample is determined to be unqualified in step S4, relevant prompt information is displayed on the touch screen 91, the grinding and cleaning operations in the grinding and cleaning module 4 are stopped by the control module 9, the pre-preparation system is returned to zero, the sample preparation dish is placed into the discharging unit 32 by the clamping of the mechanical hand 73, the unqualified sample is discharged from the system by the discharging unit 32, and steps S2 to S4 are repeated.

[0084] S6: The sample preparation dish is sent into the packaging and marking unit 54 by the mechanical hand 73 in the sample transfer module 7 controlled by the control module 9, the qualified sample after pressing is packaged and marked, the marking machine 541 marks on the thermal paper tape according to the record of the PLC software, the marking includes digital marking such as "serial number", "number", "well depth", etc., which is convenient for verification, then the sample preparation dish is covered with the easy-to-stick paper tape by rotating the paper sticking roller of the packaging machine around the sample preparation dish, the thermal paper tape after coding is pasted on the sample preparation dish, and the film covering operation of the sample preparation dish is completed by rotating the film covering roller of the packaging machine above the sample preparation dish, that is, the packaging and marking of the sample preparation dish are completed.

[0085] S7: The sample preparation dish is sent into the discharging unit 32 by the mechanical hand 73 in the sample transfer module 7 controlled by the control module 9, and the sample after packaging and marking is sent out of the pre-preparation system by the linear vibrator in the discharging unit 32 controlled by the control module 9, and the next batch of samples is sent into the feeding unit, returning to step S1, and the above operation steps are repeated.

[0086] To sum up, in the rock debris camera shooting and image collection function realization aspect, the process is completely closed loop, and the function is more abundant. The standard color temperature shooting rock debris photo environment is provided in the closed operation space, which helps to improve the subjective error rate of naked eye observation under different light conditions such as daytime, night and dusk, and improve the reliability of image basis for intuitive identification of rock debris data. Compared with simple rock debris shooting, the one-key completion of a series of functions is realized, and a touch operation interface is integrated to provide relatively complete man-machine interaction function, less manual intervention, higher standardization and automation. In the rock debris preparation and element logging auxiliary sample preparation aspect, the application provides complete functions such as unattended continuous sampling, grinding and pressing forming, shooting under standard lighting conditions and harmless dust treatment. The hydraulic device adopted in the application can safely and effectively realize rock debris pre-preparation with different precision and grinding degree and loading into the corresponding forming dish of the element logging dish, the replaceable pressure head is adopted, on the one hand, the universality and rapid replacement ability of the vulnerable part are improved, and on the other hand, the size requirements of the dish of the element logging equipment of different types of sample loading dishes are ensured, the direct seamless marking and docking are realized, and higher compatibility and reliability are achieved.

[0087] While the application has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the application is not to be limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications and equivalent arrangements.

Claims

1. An element logging sample preparation system, characterized in that: The pre-preparation system comprises a mounting table, an in-out material module, a grinding and cleaning module, a multifunctional module, a pressing module, a sample transfer module, a waste recycling module and a control module, wherein, The in-out material module, the grinding and cleaning module, the multifunctional module, the pressing module and the sample transfer module are all mounted on the tabletop of the mounting table. The in-out material module comprises an in-feed unit and an out-feed unit, both of which comprise a connected conveying slide rail and a linear vibrator, a plurality of sample preparation dishes can be placed on the conveying slide rail, and the linear vibrator can vibrate the samples in the sample preparation dishes to perform in-feed and out-feed operations. The grinding and cleaning module can perform grinding and cleaning operations on the samples. The multifunctional module comprises a mounting seat, a drying unit, a photographing unit and an encapsulation and marking unit, wherein the drying unit, the photographing unit and the encapsulation and marking unit are all mounted on the mounting seat, the drying unit can perform drying operations on the samples, the photographing unit can take pictures of the samples and transmit image data to the control module, and the encapsulation and marking unit can encapsulate and mark the samples. The pressing module can press the samples into samples. The sample transfer module can move the samples between the modules. The waste recycling module can recycle and process harmful substances in the operation chamber. The control module is connected with the modules and can control the modules, collect, manage, output and troubleshoot at least one of the sample preparation process. The control module controls the operation of the linear vibrator in the in-out material module to control the in-feed and out-feed operations of the samples, controls the grinding and cleaning operations of the grinding and cleaning module, controls the heating of the samples by the drying unit, controls the photographing of the samples by the photographing unit and analyzes and judges whether the samples are qualified, controls the monitoring and setting of the pressure value by the pressing module to perform the pressing operation on the samples, and controls the encapsulation and marking operations of the samples by the encapsulation and marking unit; when the samples are judged as unqualified, the control module stops the grinding and cleaning operations in the grinding and cleaning module and resets the pre-preparation system.

2. The elemental mud logging sample pre-preparation system of claim 1, wherein, The grinding and cleaning module comprises a grinder, a cleaning unit and a sewage discharge unit, the grinder can grind the samples, the cleaning unit is arranged above the grinder and comprises a water pipe, the lower end of the water pipe extends into the grinder and can inject clean water into the grinder to clean the samples, and the sewage discharge unit is arranged below the grinder and can discharge the sewage generated in the grinder into the waste recycling module.

3. The elemental mud logging sample pre-preparation system of claim 1, wherein, The drying unit comprises a heater and a stirring assembly, the heater is arranged on the mounting seat and can heat the samples, the stirring assembly comprises a stirring rod, a rotating mechanism and a moving mechanism, the stirring rod is arranged above the heater, the rotating mechanism is fixedly connected to the upper end of the stirring rod, the moving mechanism is fixedly connected with the rotating mechanism, the moving mechanism can extend the stirring rod into the heater, and the rotating mechanism can rotate the stirring rod to stir the samples.

4. The elemental mud logging sample pre-preparation system of claim 1, wherein, The pressing module comprises a base, a pressure sensor and a press, the pressure sensor is arranged on the base, the press is arranged above the pressure sensor, the press comprises a replaceable press head, the sample placed on the pressure sensor can be pressed, and the pressure sensor can transmit pressure data to the control module.

5. The elemental mud logging sample pre-preparation system of claim 1, wherein, The sample transfer module comprises a horizontal guide rail, a vertical guide rail and a mechanical hand, the lower end of the vertical guide rail is slidably connected to the horizontal guide rail, the vertical guide rail can move laterally along the horizontal guide rail, the mechanical hand is slidably connected to the vertical guide rail, the mechanical hand can move up and down along the vertical guide rail, and the mechanical hand can grab the sample container containing the sample to move the sample between the modules.

6. The elemental mud logging sample pre-preparation system of claim 1, wherein, The pre-preparation system further comprises an operation room, the operation room is fixedly installed on the mounting table, and the feeding and discharging module, the grinding and cleaning module, the multifunctional module, the pressing module and the sample transfer module are arranged in the operation room.

7. The elemental mud logging sample pre-preparation system of claim 6, wherein, The waste recycling module comprises an air warehouse, an air pipe, an air extractor and a recycling device, the air warehouse is arranged at the upper end of the operation room, the air extractor and the recycling device are installed below the table top of the mounting table, the air pipe is connected between the air warehouse and the air extractor and between the air extractor and the recycling device, and the air warehouse can suck harmful substances in the operation room into the recycling device through the air extractor.

8. The elemental mud logging sample pre-preparation system of claim 1, wherein, The photographing unit comprises a photographing room and a camera, and the sample can be placed in the photographing room and photographed by the camera.

9. A method for pre-preparing an elemental mud logging sample, characterized in that, The pre-preparation method adopts the element logging sample pre-preparation system according to any one of claims 1 to 8 to prepare the sample.

10. The elemental mud logging sample pre-preparation method according to claim 9, characterized in that, The pre-preparation method comprises the following steps: S1: placing the sample container containing the sample into the feeding unit; S2: feeding the sample into the grinding and cleaning module to perform grinding and cleaning operations; S3: feeding the sample into the drying unit to perform drying operations by the sample transfer module; S4: feeding the sample into the photographing unit to perform photographing and determining whether the sample is qualified; S5: feeding the qualified sample into the pressing module to press the sample into a sample; S6: feeding the qualified sample into the packaging and marking unit to perform packaging and marking; S7: feeding the qualified sample with completed packaging and marking out of the pre-preparation system by the discharging unit.

11. The elemental mud logging sample pre-preparation method according to claim 10, characterized in that, In the step S5, if it is determined that the sample is unqualified after photographing in the step S4, the grinding operation in the grinding and cleaning module is stopped by the control module, the pre-preparation system is reset, the unqualified sample is exited, and the steps S2 to S4 are repeated.

12. The elemental mud logging sample pre-preparation method according to claim 10 or 11, characterized in that, The operations of the modules in the steps S2 to S7 are controlled and completed by the control module, and the control module can collect the image data of the photographing unit in the step S4 to determine whether the sample is qualified.

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