Waste drilling object treatment device

Abstract

The utility model relates to the technical field of petroleum drilling equipment, and provides a waste drilling object treatment device which comprises a low-temperature drying machine, the low-temperature drying machine comprises a machine shell, the machine shell is provided with a drying cavity, a rotating part is rotationally arranged in the drying cavity, the rotating part is provided with a plurality of isolation cavities, the number of the isolation cavities is four, and the isolation cavities are arranged circumferentially. The swing part is arranged on the cavity wall of the isolation cavity in a swing mode. By means of the technical scheme, the problem that in the prior art, the waste drilling material treatment product mud separation effect is poor is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum drilling equipment, specifically, relates to a waste drilling material processing device. BACKGROUND

[0002] In the field of petroleum drilling engineering, the treatment of waste drilling materials has been an important link facing many challenges and urgently needs to be optimized. The traditional treatment method and related equipment have obvious limitations and deficiencies.

[0003] In the early treatment of waste drilling materials, simple natural sedimentation, stacking and other extensive methods were often used. Although natural sedimentation can make some solid particles settle, it takes a very long time, and it is difficult to effectively separate some fine particles and impurities combined with chemical agents, resulting in a large amount of pollutants in the treated waste drilling materials, which can cause serious pollution to the surrounding environment such as soil and groundwater if randomly stacked, and does not meet the increasingly strict environmental protection requirements.

[0004] With the development of technology, some conventional mechanical separation equipment such as centrifuges are used for treatment. However, the separation effect of centrifuges is often not ideal when treating mud with complex composition, high viscosity and various chemical agent residues. On the one hand, it is difficult to completely separate solid particles of different particle sizes and different properties, and on the other hand, it is also difficult to effectively remove chemical agents in the mud, so that the treated waste drilling materials still cannot meet the standard for subsequent disposal or reuse, and further treatment measures are needed, increasing the complexity and cost of treatment.

[0005] In the drying link, the ordinary drying equipment used in the past usually operates at a high temperature. Although this high-temperature drying method can quickly remove moisture, it can easily change the properties of some heat-sensitive components and residual chemical agents in waste drilling materials, decompose them or even produce harmful gases, which not only affects the quality of the treated materials, but also may cause new environmental pollution problems, and also increases energy consumption, which does not meet the development trend of energy saving and emission reduction.

[0006] In terms of water recycling, under the traditional treatment technology, such as the plate and frame filter press treatment method mentioned above, due to its own limited mud type, when facing the commonly used saturated brine mud in practice, there are serious defects in the separation of salt and water. This results in the recovered water containing a large amount of salt, which cannot be directly reused and must go through an additional complex purification process, consuming a large amount of manpower, material resources and financial resources, which not only reduces the treatment efficiency, but also greatly reduces the economy of the entire waste drilling material treatment process.

[0007] Moreover, the conventional processing system often lacks integrity and synergy, and the connection between the processing links is not close enough, and the materials and gases are prone to blockage, pressure instability and other problems when flowing between different equipment, affecting the normal operation of the equipment, and frequent shutdown for maintenance and debugging is required, further reducing the continuity and reliability of the processing, which is difficult to meet the actual needs of large-scale and efficient processing of waste drilling materials. Practical new type content

[0008] The utility model provides a kind of waste drilling material processing device, solve the problem of poor waste drilling material processing product slurry separation effect in relevant technology.

[0009] The technical scheme of the utility model is as follows:

[0010] As a further technical scheme, the low-temperature drying machine comprises:

[0011] The shell has a drying cavity.

[0012] The rotating member is rotatably arranged in the drying cavity, and the rotating member has a plurality of isolation cavities.

[0013] The swing member is swingably arranged on the cavity wall of the isolation cavity.

[0014] As a further technical scheme, it further comprises:

[0015] The slurry receiving member;

[0016] The mixer is connected to the slurry receiving member.

[0017] The dosing member is connected to the mixer.

[0018] The low-temperature drying machine is connected to the mixer.

[0019] The condenser is connected to the low-temperature drying machine.

[0020] The vacuum pump is connected to the condenser.

[0021] As a further technical scheme, the swing member and the cavity wall of the isolation cavity have a gap, and further comprising:

[0022] The moving top member is slidably arranged in the drying cavity, and is configured to slide into the gap and abut against the swing member after sliding.

[0023] An elastic member is arranged at one end of the swing member and at the other end of the isolation chamber, and provides a force for reducing the gap.

[0024] As a further technical solution, it further comprises:

[0025] A scraper is arranged in the isolation chamber, and the bottom of the scraper is in abutment with the bottom of the isolation chamber. The scraper has a guide groove, and the chamber wall of the isolation chamber has a guide portion. The guide groove is used for accommodating the guide portion.

[0026] As a further technical solution, the scraper has a flexible deformation portion, and the flexible deformation portion is arranged in abutment with the swing member.

[0027] As a further technical solution, the scraper has a threaded hole, and further comprises:

[0028] A screw rod is arranged in the threaded hole in a threaded manner. The end of the screw rod has a first connecting portion.

[0029] A sliding member is arranged in the drying chamber in a sliding and rotating manner. The end of the sliding member has a second connecting portion. The first connecting portion is used for connecting with the second connecting portion. The sliding member is used for driving the screw rod to rotate.

[0030] As a further technical solution, the drying chamber has an inlet, a mud outlet, and a negative pressure hole. The inlet and the mud outlet are respectively communicated with two adjacent isolation chambers. The negative pressure hole is located on the side wall of the drying chamber and is located below the rotating member. Further comprising:

[0031] A first baffle is arranged in the drying chamber and is located around the rotating member. After the rotating member rotates, the first baffle is used for blocking the isolation chamber and forms a solid-liquid separation chamber with the rotating member. The first baffle has a gap. After the rotating member rotates, the isolation chamber is communicated with or disconnected from the gap. The gap is communicated with the mud outlet.

[0032] As a further technical solution, the bottom of the rotating member is a sieve plate and has sieve holes. The sieve holes are used for filtering the solution in the solid-liquid separation chamber. The rotating member and the inner wall of the drying chamber form an evaporation groove. The solid-liquid separation chamber and the evaporation groove are communicated through the sieve holes. The evaporation groove is arranged in the drying chamber and is located below the rotating member. The evaporation groove and the negative pressure hole are communicated with each other.

[0033] As a further technical solution, it further comprises:

[0034] A partition plate is arranged in the evaporation tank, and the partition plate has a communication hole, and the partition plate separates the evaporation tank into a concentration cavity and an evaporation cavity, and the communication hole is used for communication between the concentration cavity and the evaporation cavity.

[0035] As a further technical solution, it also comprises:

[0036] A pupil valve is arranged on the communication hole.

[0037] The concentration cavity and the evaporation cavity each have a negative pressure hole, and two one-way valves are arranged on the negative pressure holes, respectively.

[0038] The bottom of the evaporation cavity is a flap, the flap is rotationally arranged on the shell, and the flap and the shell form the drying cavity, and the flap is used for discharging residues in the evaporation cavity after rotation.

[0039] The working principle and beneficial effects of the utility model are as follows:

[0040] In the utility model, the isolation cavities are specially used for the sedimentation of mud, and provide physical space for the effective separation of mud and solution. When the mixed material enters the isolation cavities, the solid-phase particles (such as silt, clay, etc.) in the mud will gradually sink under the action of gravity, and the solution will gradually float, thereby realizing preliminary solid-liquid separation. Since the isolation cavities are four and arranged in a circle, each isolation cavity can sequentially perform sedimentation separation operation under the driving of the rotating member, greatly improving the separation efficiency, enabling the low-temperature drying machine to process more material in unit time, and meeting the needs of large-scale waste drilling material processing. Different batches of material simultaneously perform sedimentation separation in different isolation cavities, avoiding the fluctuation of separation effect caused by mixed material or incoherent processing flow. Each isolation cavity can be regarded as an independent separation unit, and the sedimentation environment is relatively stable and less disturbed by the outside, thereby ensuring that each separation operation can achieve relatively consistent effect, and providing a reliable basis for further processing of the separated mud and solution.

[0041] The swing member can reduce the area of the isolation cavity after swinging, and this design ingeniously solves the problem of discharging the sediment after sedimentation. When the mud completes sedimentation in the isolation cavity, the swing member starts to swing, and with the gradual reduction of the area of the isolation cavity, the sediment settled at the bottom is gradually extruded and pushed to the mud outlet, thereby conveniently and quickly discharging the sediment. Compared with the traditional manual cleaning or complex mechanical discharge method, this method of discharging the sediment by changing the area of the isolation cavity by the swing member greatly improves the mud discharge efficiency and reduces the labor operation and equipment maintenance cost.

[0042] The low-temperature dryer's structure, consisting of an isolation chamber and a swinging component, optimizes the overall performance of the equipment. The isolation chamber achieves efficient separation of mud and solution, while the swinging component solves the problem of mud discharge. Working together, the two enable the low-temperature dryer to perform better in the process of treating waste drilling materials. This structural design not only improves the efficiency of separation and mud discharge but also ensures the stability of the treatment effect and the continuity of equipment operation. It provides favorable conditions for further processing of the separated products (such as solution purification and mud reuse), enhancing the overall processing capacity and quality of the waste drilling material treatment unit. The structure of the isolation chamber and the swinging component is relatively simple and easy to operate. Because the isolation chambers are independent of each other, maintenance or cleaning of one isolation chamber will not affect the normal operation of other isolation chambers, improving maintenance efficiency. Attached Figure Description

[0043] The preferred embodiments will be described below in a clear and easy-to-understand manner, in conjunction with the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages and implementation methods of this utility model.

[0044] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0045] Fig. 2 This is a schematic diagram of the structure of the low-temperature dryer of this utility model;

[0046] Fig. 3 This is a schematic diagram of the internal structure of the low-temperature dryer of this utility model;

[0047] Fig. 4 This is another perspective of the internal structure of the low-temperature dryer of this utility model;

[0048] In the diagram: Slurry receiving unit-1, mixer-2, dosing unit-3, flocculation pipe-301, coagulation aid pipe-302, low-temperature dryer-4, casing-401, drying chamber-402, rotating component-403, isolation chamber-404, oscillating component-405, gap-406, inlet-407, slurry outlet-408, negative pressure hole-409, solid-liquid separation chamber-410, evaporation tank-411, condenser-5, condensation shell-501, condensation chamber-502, condensation plate-503, guide... Flow channel-504, gas guide interval-505, liquid collector-506, vacuum pump-6, movable top part-7, scraper-9, threaded hole-901, flexible deformation part-902, screw-10, first connecting part-1001, sliding part-11, second connecting part-1101, first baffle-12, notch-1201, partition-13, connecting hole-1301, concentration chamber-412, evaporation chamber-413, pupil valve-14, one-way valve-15, flap-16. Detailed Implementation

[0049] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0050] In order to make the drawing simple, only the parts related to the present application are shown in the drawings, which do not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0051] In this paper, it is necessary to point out that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside 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.

[0052] In addition, in the description of the present application, the terms "first", "second" and the like are only used for differentiation and description, and cannot be understood as indicating or implying relative importance.

[0053] Reference Figs. 1-4 For the first embodiment of the present application, a kind of waste drilling material processing device is presented, including low temperature dryer 4 including casing 401, casing 401 has drying cavity 402, rotating member 403 is rotationally arranged in drying cavity 402, rotating member 403 has several isolation cavities 404, isolation cavities 404 are four, circumferentially arranged, swing member 405 is swing arranged on the cavity wall of isolation cavity 404.

[0054] In this embodiment, the isolation chambers 404 are specifically used for the sedimentation of mud, providing physical space for effective separation of mud and solution. When the mixed material enters the isolation chambers 404, the solid particles (such as sand, clay, etc.) in the mud will gradually sink under the action of gravity, while the solution will gradually float, thus achieving preliminary solid-liquid separation. Since there are four isolation chambers 404 arranged in a circle, each isolation chamber 404 can be sequentially subjected to sedimentation separation operation under the driving of the rotating member 403, greatly improving the separation efficiency and enabling the low-temperature drying machine 4 to handle more material in unit time, meeting the needs of large-scale waste drilling material processing. Different batches of material are simultaneously subjected to sedimentation separation in different isolation chambers 404, avoiding fluctuations in separation effect caused by mixing of materials or discontinuity in the processing flow. Each isolation chamber 404 can be regarded as an independent separation unit, with a relatively stable sedimentation environment and less external interference, thus ensuring that each separation operation can achieve relatively consistent results, providing a reliable basis for further processing of the separated mud and solution.

[0055] The swinging member 405 can reduce the area of the isolation chamber 404 after swinging, which ingeniously solves the problem of discharging the sediment after sedimentation. After the mud completes sedimentation in the isolation chamber 404, the swinging member 405 starts to swing, and as the area of the isolation chamber 404 gradually decreases, the sediment settled at the bottom is gradually squeezed and pushed towards the mud outlet 408, thus conveniently and quickly discharging the sediment. Compared with traditional manual cleaning or complex mechanical discharge methods, this method of discharging sediment by changing the area of the isolation chamber 404 using the swinging member 405 greatly improves the efficiency of discharging mud and reduces labor costs and equipment maintenance costs.

[0056] The structure of the low-temperature drying machine 4 composed of the isolation chambers 404 and the swinging member 405 optimizes the performance of the equipment as a whole. The isolation chambers 404 achieve efficient separation of mud and solution, while the swinging member 405 solves the problem of discharging sediment, and the two work together to enable the low-temperature drying machine 4 to play a better role in the process of waste drilling material processing. This structural design not only improves the efficiency of separation and mud discharge, but also ensures the stability of the processing effect and the continuity of the equipment operation, providing good conditions for further processing of the separated products (such as purification of the solution and reuse of the sediment, etc.), and improving the processing capacity and quality of the entire waste drilling material processing device. The structure of the isolation chambers 404 and the swinging member 405 is relatively simple and easy to operate. Since the isolation chambers 404 are independent of each other, maintenance or cleaning of one isolation chamber 404 will not affect the normal operation of other isolation chambers 404, improving the maintenance efficiency.

[0057] Further, the mud receiving part 1 is connected to the mixer 2, the dosing part 3 is connected to the mixer 2, the mixer 2 is connected to the low-temperature dryer 4, the low-temperature dryer 4 is connected to the condenser 5, and the condenser 5 is connected to the vacuum pump 6.

[0058] In this embodiment, the mud receiving part 1 serves as the starting part of the entire waste drilling material processing device and undertakes the important task of collecting waste drilling mud. After the drilling operation is completed, a large amount of waste mud containing various impurities, solid particles and chemical agent residues will be generated. The mud receiving part 1 can uniformly collect waste mud from different drilling sites and different working conditions, providing a stable material source for the subsequent processing process and ensuring that the entire processing device can continuously and effectively process waste drilling materials.

[0059] The mixer 2 receives waste mud from the mud receiving part 1 and the agent added by the dosing part 3, and its core function is to fully and uniformly mix the two materials. Through the rotating movement of the internal stirring device (such as stirring paddle, spiral blade, etc.), the waste mud and the agent can break the original agglomeration state under the action of mechanical force, achieving better uniform dispersion and mixing. Good mixing effect can significantly improve the processing efficiency and quality of the entire waste drilling material processing device. After the waste mud and the agent are fully mixed, the agent can more comprehensively contact various components in the mud, maximizing its effect, so that the treated substances can be converted and removed more quickly, reducing processing time and agent usage.

[0060] The dosing part 3 is responsible for adding specific agents to the mixer 2, which has precise agent metering and adding functions. According to the composition, properties of waste mud and different processing targets, the type, dosage and adding time of the added agent can be accurately controlled to avoid problems such as resource waste and increased difficulty of subsequent processing due to excessive addition of agents, or poor processing effect due to insufficient addition of agents, improving the scientificity and economy of the entire processing process.

[0061] In waste drilling materials, there is usually a large amount of water. The low-temperature dryer 4 removes water from the material by heat exchange principle in a low-temperature environment, achieving the reduction of waste drilling materials. After low-temperature drying, the volume and weight of the material are greatly reduced, which not only facilitates subsequent transportation, storage and final disposal, but also reduces the potential harm to the environment, reduces the pressure of subsequent processing links, makes the entire waste drilling material processing process more efficient and convenient, and further improves the practicality and processing capacity of the processing device.

[0062] In the process of drying the waste drilling material in the low-temperature dryer 4, the water in the material will evaporate into water vapor. The water vapor enters the condenser 5, which uses a cooling medium (such as water or refrigerant) to exchange heat with the water vapor, causing it to release heat and condense into liquid water. During operation, the condenser 5 not only condenses the water vapor but also regulates and stabilizes the system pressure of the entire treatment device. If a large amount of water vapor accumulates in the system, it can cause the system pressure to rise, affecting the normal operation of the equipment. The condenser 5 condenses the water vapor into liquid and discharges it in time, maintaining a relatively stable pressure environment in the system, ensuring smooth flow of materials and gases between the mud receiving device 1, the mixer 2, the low-temperature dryer 4, and other components, avoiding equipment failures and material leaks caused by abnormal pressure, and improving the stability and reliability of the entire waste drilling material treatment device. The vacuum pump 6 is connected to the condenser 5 and its main function is to extract gas from the system to create a negative pressure environment.

[0063] In traditional waste drilling material treatment technology, plate and frame filter presses are often used to separate mud and water. However, existing plate and frame filter presses are mainly used for separating mud and water for polymer mud, while the current actual situation is that the mud contains a large amount of industrial salt. This characteristic makes it difficult for existing plate and frame filter presses to effectively separate salt and water when processing such mud. As a result, the recovered water contains a large amount of salt and cannot be directly used, requiring additional treatment processes to purify it, which not only increases the treatment cost but also reduces the treatment efficiency.

[0064] In contrast, the waste drilling material treatment device innovatively uses a vacuum pump 6 to separate the material in the low-temperature dryer 4. In the negative pressure environment created by the vacuum pump 6, the water in the material is more likely to evaporate, and under the action of the condenser 5, the steam can be efficiently condensed into liquid water. Through this innovative treatment method, the purity of the water condensed by the condenser 5 is greatly improved, and it can be directly reused. This significant effect not only solves the problem of the inability to directly use the recovered water in traditional technology, but also realizes the recycling of water resources, greatly reducing the water cost in the waste drilling material treatment process and improving the environmental friendliness and resource utilization rate of the entire treatment process. At the same time, it avoids the limitations brought by the use of plate and frame filter presses, providing a more efficient and environmentally friendly solution for waste drilling material treatment.

[0065] The low-temperature dryer 4 includes a housing 401 with a drying cavity 402, a rotating member 403 rotatably arranged in the drying cavity 402, and a plurality of isolation cavities 404 arranged circumferentially on the cavity wall of the isolation cavity 404.

[0066] In this embodiment, the isolation chambers 404 are specifically used for the sedimentation of mud, providing physical space for effective separation of mud and solution. When the mixed material enters the isolation chambers 404, the solid particles (such as sand, clay, etc.) in the mud will gradually sink under the action of gravity, while the solution will gradually float, thus achieving preliminary solid-liquid separation. Since there are four isolation chambers 404 arranged in a circle, each isolation chamber 404 can be sequentially subjected to sedimentation separation operation under the driving of the rotating member 403, greatly improving the separation efficiency and enabling the low-temperature drying machine 4 to handle more material in unit time, meeting the needs of large-scale waste drilling material processing. Different batches of material are simultaneously subjected to sedimentation separation in different isolation chambers 404, avoiding fluctuations in separation effect caused by mixing of materials or discontinuity in the processing flow. Each isolation chamber 404 can be regarded as an independent separation unit, with a relatively stable sedimentation environment and less external interference, thus ensuring that each separation operation can achieve relatively consistent results, providing a reliable basis for further processing of the separated mud and solution.

[0067] The swinging member 405 can reduce the area of the isolation chamber 404 after swinging, which ingeniously solves the problem of discharging the sediment after sedimentation. After the mud completes sedimentation in the isolation chamber 404, the swinging member 405 starts to swing, and as the area of the isolation chamber 404 gradually decreases, the sediment settled at the bottom is gradually squeezed and pushed towards the mud outlet 408, thus conveniently and quickly discharging the sediment. Compared with traditional manual cleaning or complex mechanical discharge methods, this method of discharging sediment by changing the area of the isolation chamber 404 using the swinging member 405 greatly improves the efficiency of discharging mud and reduces labor costs and equipment maintenance costs.

[0068] The structure of the low-temperature drying machine 4 composed of the isolation chambers 404 and the swinging member 405 optimizes the performance of the equipment as a whole. The isolation chambers 404 achieve efficient separation of mud and solution, while the swinging member 405 solves the problem of discharging sediment, and the two work together to enable the low-temperature drying machine 4 to play a better role in the process of waste drilling material processing. This structural design not only improves the efficiency of separation and mud discharge, but also ensures the stability of the processing effect and the continuity of the equipment operation, providing good conditions for further processing of the separated products (such as purification of the solution and reuse of the sediment, etc.), and improving the processing capacity and quality of the entire waste drilling material processing device. The structure of the isolation chambers 404 and the swinging member 405 is relatively simple and easy to operate. Since the isolation chambers 404 are independent of each other, maintenance or cleaning of one isolation chamber 404 will not affect the normal operation of other isolation chambers 404, improving the maintenance efficiency.

[0069] Further, the swing member 405 has a gap 406 with the cavity wall of the isolation cavity 404, and the moving top piece 7 is slidingly arranged in the drying cavity 402, and is configured to slide into the gap 406 and abut against the swing member 405, and after the moving top piece 7 abuts against the swing member 405, the swing member 405 is perpendicular to the cavity wall of the isolation cavity 404, and one end of the elastic member acts on the swing member 405 and the other end acts on the cavity wall of the isolation cavity 404 to provide a force to reduce the gap 406.

[0070] In this embodiment, the moving top piece 7 is slidingly arranged in the drying cavity 402 and can slide into the gap 406 between the swing member 405 and the cavity wall of the isolation cavity 404 and abut against the swing member 405. This design realizes precise control of the swing member 405. When it is necessary to discharge the sludge settled in the isolation cavity 404, the moving top piece 7 slides according to the preset path and accurately enters the gap 406. Through the abutment with the swing member 405, the swing member 405 is driven to move rapidly from the initial state to the position perpendicular to the cavity wall of the isolation cavity 404. Compared with other possible indirect driving modes, this precise driving mode can more reliably ensure that the swing member 405 functions in time and accurately when needed, ensuring the stability and reliability of the sludge discharge operation and improving the sludge discharge efficiency.

[0071] When the swing member 405 is perpendicular to the cavity wall of the isolation cavity 404 under the action of the moving top piece 7, the effective area of the isolation cavity 404 rapidly decreases, forming a strong extrusion effect on the sludge settled at the bottom. This precise control of the area change enables the sludge to be concentrated and efficiently pushed to the sludge outlet 408, avoiding the situation of sludge residue or poor discharge. One end of the elastic member acts on the swing member 405 and the other end acts on the cavity wall of the isolation cavity 404, and the force provided by the elastic member keeps the gap 406 at a suitable size when not subjected to external force and automatically resets after the swing member 405 moves. When the moving top piece 7 slides away from the gap 406, the elastic member releases the elastic force to drive the swing member 405 to return to the initial state, and at the same time, the gap 406 returns to the normal size. This automatic reset function not only saves additional mechanical reset devices and power sources, simplifies the equipment structure and reduces the equipment cost, but also makes the swing member 405 action cycle more smooth, improving the automation degree and stability of the equipment operation.

[0072] Further, the scraper 9 is slidingly arranged in the isolation cavity 404, the bottom of the scraper 9 abuts against the bottom of the isolation cavity 404, the scraper 9 has a guide groove, and the cavity wall of the isolation cavity 404 has a guide portion, and the guide groove is used to accommodate the guide portion.

[0073] In this embodiment, the scraper 9 is slidingly arranged in the isolation chamber 404 and tightly abuts the bottom of the isolation chamber 404, which can ensure that the residual sludge at the bottom of the isolation chamber 404 is thoroughly cleaned during the sludge discharge process. Even if there is a small amount of residual sludge under the extrusion of the swing member 405, the scraper 9 can scrape it up during the sliding process, effectively avoiding the accumulation of sludge at the bottom of the isolation chamber 404. Especially for some sludge with high viscosity and easy adhesion, the effect of the scraper 9 is more significant, further improving the thoroughness of sludge discharge and ensuring the cleanliness of the isolation chamber 404 after each use, providing a good foundation for subsequent slurry sedimentation and separation operations.

[0074] The scraper 9 has a guide groove, and the cavity wall of the isolation chamber 404 is provided with a guide portion, and the guide groove is used to accommodate the guide portion. This structure design makes the scraper 9 have very high stability and precision during sliding. The cooperation of the guide groove and the guide portion limits the movement trajectory of the scraper 9, avoids the offset, jamming or shaking of the scraper 9 during sliding, and ensures that the scraper 9 can smoothly perform cleaning work along the predetermined route. This not only improves the working efficiency of the scraper 9, but also reduces the wear of the isolation chamber 404 caused by abnormal movement of the scraper 9, prolonging the service life of the equipment.

[0075] The scraper 9 cooperates with the moving top member 7, the swing member 405 and the elastic member to improve the overall performance of the low-temperature drying machine 4. In the sludge discharge process, the moving top member 7 drives the swing member 405 to extrude the sludge, and then the scraper 9 performs subsequent cleaning work. The whole process is closely connected to form an efficient sludge treatment system. At the same time, the stable operation of the scraper 9 also helps to maintain the structural stability of the isolation chamber 404, which is in harmony with the buffering and resetting effect of the elastic member on the swing member 405, further ensuring the reliable operation of the low-temperature drying machine 4 under complex working conditions, and providing stronger support for the efficient and stable operation of the entire waste drilling material treatment device.

[0076] Further, the scraper 9 has a flexible deformation portion 902, and the flexible deformation portion 902 is pressed on the swing member 405.

[0077] In this embodiment, the flexible deformation part 902 of the scraper 9 is pressed on the swing member 405 and can be self-adapted according to the surface shape and position change of the swing member 405. Since the swing member 405 swings during the work, the surface state is not completely flat and fixed. The flexible deformation part 902 can closely fit the surface of the swing member 405 due to its flexible characteristics, and can ensure that the mud attached to the swing member 405 is effectively scraped off whether in the initial position of the swing member 405 or in the swing process. For example, when the swing member 405 swings to a position perpendicular to the cavity wall of the isolation cavity 404, the included angle between the swing member 405 and the cavity wall of the isolation cavity 404 is prone to residual mud. The flexible deformation part 902 can deform itself to deeply enter the included angle area and completely clean the mud, avoiding mud residue and improving the comprehensiveness and thoroughness of mud cleaning.

[0078] Further, the scraper 9 has a threaded hole 901, and further comprises a screw rod 10, the screw rod 10 is threadedly arranged in the threaded hole 901, and the screw rod 10 has a first connecting part 1001 at an end thereof. A sliding member 11 is slidingly and rotatably arranged in the drying cavity 402, and has a second connecting part 1101 at an end thereof. The first connecting part 1001 is used to connect with the second connecting part 1101, and the sliding member 11 is used to drive the screw rod 10 to rotate.

[0079] In this embodiment, the screw rod 10 cooperates with the threaded hole 901 on the scraper 9, and utilizes the threaded transmission principle to accurately convert the rotation of the screw rod 10 into the linear sliding of the scraper 9. This transmission mode has very high precision, and by controlling the rotation angle and number of turns of the screw rod 10, the moving distance of the scraper 9 in the isolation cavity 404 can be accurately controlled, ensuring that the mud at the bottom of the isolation cavity 404 is cleaned comprehensively and meticulously without missing any corner, greatly improving the effect and quality of mud cleaning. For example, for some small mud accumulation at the edge of the isolation cavity 404, by accurately controlling the rotation of the screw rod 10, the scraper 9 can accurately reach these positions and completely clean the mud.

[0080] The sliding member 11 can slide and rotate in the drying cavity 402, and the second connecting part 1101 at the end thereof is connected with the first connecting part 1001 at the end of the screw rod 10, so that the screw rod 10 is driven to rotate. This design gives the operator greater flexibility in operation. During the operation of the equipment, the operator can flexibly move the sliding member 11 according to the actual mud accumulation condition, select different positions and angles to drive the screw rod 10, and then control the operation of the scraper 9. For example, when the mud in a certain isolation cavity 404 is unevenly distributed, the operator can move the sliding member 11 to make the screw rod 10 drive the scraper 9 at different positions, so as to selectively clean the area with more mud, thereby improving the cleaning efficiency. Moreover, since the operation space of the sliding member 11 is relatively large, compared with directly operating the scraper 9 in the isolation cavity 404, it is more convenient and fast, and the labor intensity and operation difficulty of the operator are reduced.

[0081] Further, the drying cavity 402 has an inlet 407, a mud outlet 408 and a negative pressure hole 409, the inlet 407 and the mud outlet 408 are respectively communicated with two adjacent isolation cavities 404, the negative pressure hole 409 is located on the side wall of the drying cavity 402 and is located below the rotating member 403, and further comprises a first baffle 12, the first baffle 12 is arranged in the drying cavity 402 and is located around the rotating member 403, after the rotating member 403 rotates, the first baffle 12 is used for blocking the isolation cavity 404 and forms a solid-liquid separation cavity 410 with the rotating member 403, the first baffle 12 has a gap 1201, after the rotating member 403 rotates, the isolation cavity 404 is communicated with or disconnected from the gap 1201, and the gap 1201 is communicated with the mud outlet 408.

[0082] In this embodiment, the inlet 407 and the mud outlet 408 of the drying cavity 402 are respectively communicated with two adjacent isolation cavities 404, and this design constructs an efficient material flow path. The waste drilling mud can directly enter a specific isolation cavity 404 through the inlet 407 to start the sedimentation and solid-liquid separation process. The mud discharged after sedimentation can be smoothly discharged from the adjacent isolation cavity 404 through the mud outlet 408 after one rotation. This adjacent arrangement prolongs the moving distance and time of the material in the drying cavity, avoids guaranteeing the sedimentation effect of the sludge, and enables the low-temperature dryer 4 to process a large amount of waste drilling material more quickly.

[0083] The first baffle 12 is arranged in the drying cavity 402 and surrounds the rotating member 403, and forms a solid-liquid separation cavity 410 with the isolation cavity 404. During the sedimentation of the mud in the isolation cavity 404, the solid-liquid separation cavity 410 provides a relatively closed and stable environment, which helps to reduce the interference of external factors on the sedimentation process, so that the solid particles in the mud can be more fully and quickly settled at the bottom of the isolation cavity 404.

[0084] The negative pressure hole 409 is located on the side wall of the drying cavity 402 and is below the rotating part 403. The negative pressure hole 409 is connected to a vacuum pump 6 and the like, and can create a negative pressure environment in the drying cavity 402. In this negative pressure environment, the boiling point of the water in the material is reduced, and the water is more easily evaporated. For the slurry being subjected to sedimentation separation and the sludge after sedimentation, the negative pressure environment accelerates the evaporation process of the water in the slurry and sludge, not only helps to improve the drying degree of the sludge for subsequent processing and disposal of the sludge, but also further reduces the water content in the separated solution, improves the concentration of the solution, and provides convenience for recycling or further processing of the solution.

[0085] Further, the bottom of the rotating part 403 is a sieve plate having sieve holes for filtering the solution in the solid-liquid separation cavity 410. The rotating part 403 and the inner wall of the drying cavity 402 form an evaporation groove 411. The evaporation groove 411 is arranged in the drying cavity 402 and is below the rotating part 403. The evaporation groove 411 and the negative pressure hole 409 are in communication with each other.

[0086] In this embodiment, the bottom of the rotating part 403 is a sieve plate having sieve holes, which realizes the filtration of the solution in the solid-liquid separation cavity 410. When the solution in the solid-liquid separation cavity 410 passes through the sieve plate at the bottom of the rotating part 403, the solid particles in the solution are intercepted by the sieve holes, and the solution enters the evaporation groove 411 below for evaporation. The groove wall of the evaporation groove 411 is provided with a heating part for heating

[0087] The rotating part 403 and the inner wall of the drying cavity 402 form an evaporation groove 411, and the evaporation groove 411 and the negative pressure hole 409 are in communication with each other. When the drying cavity 402 is in a negative pressure state, the filtered solution will flow into the evaporation groove 411. Due to the negative pressure environment and the relatively large evaporation area of the evaporation groove 411, the water in the solution can evaporate more quickly. This not only accelerates the removal of water and improves the efficiency of the entire drying process, but also, in combination with the previous solid-liquid separation and filtration process, forms a complete system for efficiently separating water from the slurry and purifying the solution, further improving the processing capacity of the low-temperature dryer 4 for liquid components in the waste drilling material.

[0088] Further, the evaporation groove 411 is provided with a partition plate 13. The partition plate 13 has a communication hole 1301. The partition plate 13 divides the evaporation groove 411 into a concentration cavity 412 and an evaporation cavity 413. The communication hole 1301 is used for communication between the concentration cavity 412 and the evaporation cavity 413. A pupil valve 14 is arranged on the communication hole 1301. The concentration cavity 412 and the evaporation cavity 413 each have a negative pressure hole 409. Two one-way valves 15 are arranged on the negative pressure holes 409, respectively. The bottom of the evaporation cavity 413 is a flap 16. The flap 16 is rotatably arranged on the machine shell 401 and forms the drying cavity 402 with the machine shell 401. The flap 16 is used to discharge the residue in the evaporation cavity 413 after being rotated.

[0089] In this embodiment, the partition plate 13 separates the evaporation tank 411 into the concentration cavity 412 and the evaporation cavity 413, and controls the communication between the two cavities through the pupil valve 14 arranged on the communication hole 1301. This design can accurately adjust the flow of the solution between the concentration cavity 412 and the evaporation cavity 413. In the concentration cavity 412, the solution is preliminarily evaporated under a negative pressure environment, and the concentration gradually increases. When a certain concentration is reached, the concentrated solution is allowed to flow into the evaporation cavity 413 for further evaporation by controlling the opening degree of the pupil valve 14. This process can flexibly adjust the concentration and evaporation degree of the solution according to the actual processing requirements, improve the accuracy and controllability of the liquid treatment in the waste drilling material, and ensure the stability and consistency of the processing effect.

[0090] The concentration cavity 412 and the evaporation cavity 413 are both provided with negative pressure holes 409, and the air flow is controlled through the one-way valve 15. This design allows the two cavities to work independently under a negative pressure environment, and also ensures the reasonable flow of air. After the solution is preliminarily evaporated in the concentration cavity 412, it is further evaporated in the evaporation cavity 413, fully utilizing the characteristics that water is easy to evaporate under a negative pressure environment, and improving the overall evaporation efficiency. At the same time, by reasonably controlling the flow and evaporation process of the solution between the two cavities, unnecessary energy consumption is avoided, the energy utilization rate is improved, and the cost of waste drilling material treatment is reduced.

[0091] The bottom of the evaporation cavity 413 is provided with a turnover plate 16, which can be used to discharge the residues in the evaporation cavity 413 after being turned over. This design allows the residual solid material to be conveniently and quickly discharged from the equipment after the evaporation process is completed. Compared with the traditional cleaning method, the design of the turnover plate 16 greatly reduces the cleaning difficulty and time, and improves the maintenance efficiency of the equipment. The maintenance personnel only need to open the turnover plate 16 to clean out the residues, which reduces the risk of equipment failure caused by delayed or difficult residue cleaning, prolongs the service life of the equipment, and ensures the continuous and stable operation of the low-temperature drying machine 4.

[0092] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A device for processing waste drilling material, characterized in that The low-temperature dryer (4) comprises: a casing (401) having a drying cavity (402); a rotating member (403) rotatably arranged in the drying cavity (402), the rotating member (403) having a plurality of isolation cavities (404), the isolation cavities (404) being four and arranged in a circle; a swinging member (405) swingably arranged on a cavity wall of the isolation cavity (404). Further comprising:

2. The apparatus of claim 1, wherein, a slurry receiving member (1); a mixer (2) to which the slurry receiving member (1) is connected; a dosing member (3) to which the mixer (2) is connected; the mixer (2) is connected to the low-temperature dryer (4); a condenser (5) to which the low-temperature dryer (4) is connected; a vacuum pump (6) to which the condenser (5) is connected. The swinging member (405) and the cavity wall of the isolation cavity (404) have a gap (406), further comprising:

3. The apparatus of claim 1, wherein: a moving top member (7) slidably arranged in the drying cavity (402), the moving top member (7) is configured to slide into the gap (406) and abut against the swinging member (405) after sliding, the swinging member (405) is perpendicular to the cavity wall of the isolation cavity (404) after the moving top member (7) abuts against the swinging member (405); a resilient member acting on one end of the swinging member (405) and the other end of the cavity wall of the isolation cavity (404), providing a force for reducing the gap (406). Further comprising:

4. The apparatus of claim 1, wherein: a scraper (9) slidably arranged in the isolation cavity (404), the bottom of the scraper (9) abutting against the bottom of the isolation cavity (404), the scraper (9) having a guide groove, the cavity wall of the isolation cavity (404) having a guide portion, the guide groove being used to accommodate the guide portion. The scraper (9) has a flexible deformation portion (902) which is pressed against the swinging member (405).

5. The apparatus of claim 4, wherein: The scraper (9) has a threaded hole (901), further comprising:

6. The apparatus of claim 5, wherein the apparatus is configured to: a screw rod (10) threadedly arranged in the threaded hole (901), the end of the screw rod (10) having a first connecting portion (1001); a sliding member (11) slidably and rotatably arranged in the drying cavity (402), the end of the sliding member (11) having a second connecting portion (1101), the first connecting portion (1001) being used to connect with the second connecting portion (1101), the sliding member (11) being used to drive the screw rod (10) to rotate. ​ 7. The spent drilling material processing device of claim 1, wherein The drying cavity (402) has an inlet (407), a mud outlet (408) and a negative pressure hole (409), the inlet (407) and the mud outlet (408) are communicated with two adjacent isolation cavities (404) respectively, the negative pressure hole (409) is located on the side wall of the drying cavity (402) and is located below the rotating part (403), and further comprising: A first baffle (12) is arranged in the drying cavity (402) and located around the rotating part (403), the first baffle (12) is used to block the isolation cavity (404) after the rotating part (403) rotates, and a solid-liquid separation cavity (410) is formed with the rotating part (403), the first baffle (12) has a gap (1201), the isolation cavity (404) is communicated with or disconnected with the gap (1201) after the rotating part (403) rotates, and the gap (1201) is communicated with the mud outlet (408).

8. The waste drilling material processing device of claim 7, wherein, The bottom of the rotating part (403) is a sieve plate with sieve holes for filtering the solution in the solid-liquid separation cavity (410), the rotating part (403) and the inner wall of the drying cavity (402) form an evaporation groove (411), the solid-liquid separation cavity (410) and the evaporation groove (411) are communicated through the sieve holes, the evaporation groove (411) is arranged in the drying cavity (402) and located below the rotating part (403), and the evaporation groove (411) and the negative pressure hole (409) are communicated with each other.

9. The waste drilling material processing device of claim 8, wherein, Further comprising: A partition plate (13) is arranged in the evaporation groove (411), the partition plate (13) has a communication hole (1301), the partition plate (13) divides the evaporation groove (411) into a concentration cavity (412) and an evaporation cavity (413), and the communication hole (1301) is used for communication between the concentration cavity (412) and the evaporation cavity (413).

10. The waste drilling material processing device of claim 9, wherein, Further comprising: A pupil valve (14) is arranged on the communication hole (1301); A one-way valve (15) is arranged on one of the negative pressure holes (409); The bottom of the evaporation cavity (413) is a turning plate (16), the turning plate (16) is rotatably arranged on the machine shell (401) and forms the drying cavity (402) with the machine shell (401), and the turning plate (16) is used to discharge the residues in the evaporation cavity (413) after rotating.

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