Drying device for drying drilling cuttings

Abstract

The utility model provides a drying device for drying drilling rock debris, belongs to the technical field of drilling rock debris treatment, and aims to solve the problems that according to an existing drying device for drying drilling rock debris, rock debris wet materials are prone to being adhered to crushing rollers, frequent cleaning is needed, and operation is tedious; and the crushing effect is affected due to the fact that the crushing teeth are easily abraded or the metal hard blocks are damaged and deformed. Comprising a dewatering and drying mechanism, a feeding opening, a crushing roller, a fixing plate, an anti-sticking assembly and a monitoring assembly, and the feeding opening is fixedly formed in the top of the dewatering and drying mechanism; the number of the crushing rollers is two, the two crushing rollers are rotationally connected to the interior of the feeding opening, and the two crushing rollers are installed between the driving mechanism and the reversing gear set; the two groups of fixing plates are obliquely mounted on the two sides of the interior of the feeding opening; the anti-sticking assembly is arranged in the feeding hole; the monitoring assembly is arranged in the feeding port. The device has the advantages of adhesion reduction, real-time monitoring, convenience in maintenance and the like.

Description

Technical Field

[0001] This utility model belongs to the field of drilling cuttings treatment technology, and more specifically, it relates to a drying device for de-drying drilling cuttings. Background Technology

[0002] During drilling, a large amount of drilling cuttings is generated. These cuttings typically contain high levels of moisture. Without dehydration, they not only present difficulties in transportation and disposal but can also cause environmental pollution. Therefore, a drying device is needed to dehydrate drilling cuttings. Existing drying devices for drilling cuttings mainly consist of a crushing and screening mechanism, a dehydration and drying mechanism, and a conveying mechanism. The crushing and screening mechanism breaks up agglomerated cuttings and removes impurities before sending them to the dehydration and drying mechanism to remove moisture, and then the conveying mechanism transports them out.

[0003] Existing application number CN202121783156.3 discloses an online rotary cuttings drying and separation device, including a frame, a flow guiding mechanism, a rotary screen, and a purge beam air knife. The flow guiding mechanism and the rotary screen are installed sequentially from top to bottom on the frame. The purge beam air knife is installed on the frame and positioned opposite the rotary screen to prevent clogging of the screen. This device is suitable for reducing drilling and completion waste on offshore platforms, achieving deslurry reduction of offshore drilling and completion waste, reducing cuttings transportation costs and safety and environmental risks. The device has a compact structure, installed below the vibrating screen, enabling online drying and separation of offshore drilling and completion waste. The device occupies little installation space, solving the problem of surface deslurry reduction of cuttings that cannot be addressed by existing platform mud systems due to limited installation space. The separated slurry can be returned to the mud circulation system to participate in drilling operations.

[0004] Based on the above, existing drying devices for drilling cuttings typically connect crushing rollers to the feed inlet of the dehydration and drying mechanism to handle lumps and sticky agglomerates in the cuttings. The crushing mechanism breaks them down into smaller particles, facilitating subsequent dehydration and drying processes. However, in practice, wet cuttings tend to adhere to the surface of the crushing rollers during crushing, requiring timely cleaning and maintenance after each use to prevent agglomeration, making the operation quite cumbersome. Furthermore, after prolonged use, the crushing teeth are easily damaged and deformed due to the presence of drill bit fragments and other hard metal pieces in the wet material. Significant deformation directly affects the crushing effect. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a drying device for dewatering drilling cuttings. This addresses the shortcomings of existing drying devices that typically connect a crushing roller to the feed inlet of the dewatering and drying mechanism. This roller handles lumps and sticky agglomerates in the cuttings, breaking them down into smaller particles to facilitate subsequent dewatering and drying processes. However, in practice, wet cuttings tend to adhere to the surface of the crushing roller during crushing, requiring timely cleaning and maintenance after each use to prevent agglomeration, making the operation quite cumbersome. Furthermore, after prolonged use, the crushing teeth are easily damaged and deformed due to the presence of drill bit fragments or other hard metal pieces in the wet material. Significant deformation directly impacts the crushing effect.

[0006] The purpose and effectiveness of this utility model's drying device for removing drilling cuttings are achieved through the following specific technical means:

[0007] A drying device for dewatering drilling cuttings includes a dewatering and drying mechanism, a feed inlet, a drive mechanism, a reversing gear set, crushing rollers, a fixing plate, an anti-sticking component, and a monitoring component. The feed inlet is fixedly installed on the top of the dewatering and drying mechanism; the drive mechanism is installed on one side of the feed inlet; the reversing gear set is installed on one side of the feed inlet; two sets of crushing rollers are provided, rotatably connected inside the feed inlet, and installed between the drive mechanism and the reversing gear set; two sets of fixing plates are provided, inclinedly installed on both sides inside the feed inlet; the anti-sticking component is located inside the feed inlet; and the monitoring component is located inside the feed inlet.

[0008] Furthermore, the anti-sticking component includes: crushing teeth, cleaning frame, and first spring. Multiple sets of crushing teeth are provided, and multiple sets of crushing teeth are bolted to the outside of two sets of crushing rollers. Two sets of cleaning frames are provided, and the two sets of cleaning frames are slidably connected to one end of two sets of fixed plates. Multiple sets of first springs are provided, and multiple sets of first springs are fixedly installed in the middle position between the fixed plate and the cleaning frame.

[0009] Furthermore, the anti-sticking component also includes: a metal scraper and fine steel comb teeth. The metal scraper is provided in multiple sets, and the multiple sets of metal scraper are fixedly installed inside the two sets of cleaning frames. The fine steel comb teeth are provided in multiple sets, and the multiple sets of fine steel comb teeth are bolted to the bottom of the two sets of cleaning frames.

[0010] Furthermore, the monitoring component includes: a sliding groove and a guide plate, wherein multiple sets of sliding grooves are provided, and the multiple sets of sliding grooves are opened inside two sets of cleaning frames; multiple sets of guide plates are provided, and the multiple sets of guide plates are slidably connected inside the multiple sets of sliding grooves.

[0011] Furthermore, the monitoring component also includes a monitoring frame, which is provided in multiple sets, with each set of monitoring frames fixedly installed in the middle of every two sets of guide plates.

[0012] Furthermore, the monitoring component also includes: a second spring and a trigger switch. The second spring is provided in multiple sets, with one end of each set of the second spring fixedly installed on the upper part of the multiple sets of guide plates, and the other end of each set of the second spring fixedly installed inside the multiple sets of sliding grooves. The trigger switch is provided in multiple sets, with each set of trigger switches fixedly installed inside the multiple sets of sliding grooves.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] Firstly, this invention features an anti-sticking component. The cleaning frame, under the elastic thrust of the first spring, closely adheres to the crushing roller, causing the metal scraper to scrape away the wet material adhering to the roller surface in real time, preventing clumping and accumulation. The inclined metal scraper enhances the scraping effect with the rotational force of the crushing roller, and the elastic buffer of the first spring allows it to slightly retract when encountering hard impurities, protecting the scraper and crushing teeth. Fine steel comb teeth specifically clean the residue on the surface of the crushing teeth, reducing adhesion and eliminating the need for frequent manual maintenance, thus simplifying the operation process.

[0015] Secondly, this utility model has a monitoring component. The monitoring frame, which is slightly larger than the standard crushing tooth, performs morphological detection on the crushing tooth as it rotates. If the crushing tooth is severely deformed due to damage, it will push the monitoring frame to move, causing the guide plate to compress the second spring and trigger the switch, which will cut off the power to the drive mechanism in time and prompt replacement to avoid affecting the crushing effect. After the second spring is released from the triggered state, it pushes the monitoring frame to reset, ensuring continuous monitoring and extending the service life of the equipment.

[0016] This invention has the advantages of reducing adhesion, real-time monitoring, and easy maintenance. It not only solves the adhesion problem during the crushing of wet rock cuttings, but also monitors the status of the crushing teeth in real time, reduces manual maintenance costs, ensures stable crushing effect, improves the overall operating efficiency of the device, and is more adaptable to the complex working conditions of drilling rock cuttings processing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the feed inlet structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the fixing plate structure of this utility model.

[0020] Figure 4 This is a schematic diagram of the cleaning rack structure of this utility model.

[0021] Figure 5 This is a schematic diagram of the first spring structure of this utility model.

[0022] Figure 6 This is a schematic diagram of the monitoring frame structure of this utility model.

[0023] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0024] 1. Dehydration and drying mechanism; 2. Feed inlet; 3. Drive mechanism; 4. Reversing gear set; 5. Crushing roller; 6. Crushing teeth; 7. Fixing plate; 701. First spring; 8. Cleaning frame; 801. Metal scraper; 802. Fine steel comb teeth; 803. Sliding groove; 804. Monitoring frame; 805. Guide plate; 806. Second spring; 807. Trigger switch. Detailed Implementation

[0025] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0026] Example 1:

[0027] As attached Figure 1 To be continued Figure 6 As shown:

[0028] This utility model provides a drying device for dewatering drilling cuttings, including a dewatering and drying mechanism 1, a feed inlet 2, a drive mechanism 3, a reversing gear set 4, crushing rollers 5, a fixing plate 7, and an anti-sticking component. The feed inlet 2 is fixedly installed on the top of the dewatering and drying mechanism 1; the drive mechanism 3 is installed on one side of the feed inlet 2; the reversing gear set 4 is installed on one side of the feed inlet 2; two sets of crushing rollers 5 are provided, and the two sets of crushing rollers 5 are rotatably connected inside the feed inlet 2, and the two sets of crushing rollers 5 are installed in the middle position between the drive mechanism 3 and the reversing gear set 4; two sets of fixing plates 7 are provided, and the two sets of fixing plates 7 are inclinedly installed on both sides inside the feed inlet 2; the anti-sticking component is provided inside the feed inlet 2.

[0029] The anti-sticking component includes: crushing teeth 6, cleaning frame 8 and first spring 701. Multiple sets of crushing teeth 6 are provided, and multiple sets of crushing teeth 6 are bolted to the outside of two sets of crushing rollers 5. Two sets of cleaning frames 8 are provided, and the two sets of cleaning frames 8 are slidably connected to one end of two sets of fixing plates 7 respectively. Multiple sets of first spring 701 are provided, and multiple sets of first spring 701 are fixedly installed in the middle position between the fixing plate 7 and the cleaning frame 8.

[0030] The anti-sticking components also include: metal scraper 801 and fine steel comb teeth 802. Multiple sets of metal scraper 801 are provided, and multiple sets of metal scraper 801 are fixedly installed inside the two sets of cleaning frames 8. Multiple sets of fine steel comb teeth 802 are provided, and multiple sets of fine steel comb teeth 802 are bolted to the bottom of the two sets of cleaning frames 8.

[0031] The specific usage and function of this embodiment are as follows:

[0032] After the drive mechanism 3 is started, it drives the crushing roller 5 to rotate. Under the transmission action of the reversing gear set 4, the two sets of crushing rollers 5 form a relative rotational motion. With the help of multiple sets of crushing teeth 6 fixed on the outside of the crushing roller 5 by bolts, the wet rock debris entering through the feed port 2 is crushed. After further screening, the crushed material enters the dewatering and drying mechanism 1 to complete the dedrying operation.

[0033] Under the elastic thrust of multiple sets of first springs 701, the cleaning frame 8 slides along the fixed plate 7 and drives the metal scraper 801 to closely adhere to the surface of the crushing roller 5, scraping away the adhering wet material in real time to prevent clumping and accumulation. At the same time, the inclined metal scraper 801 uses the rotational force of the crushing roller 5 to push the material towards the cutting edge, enhancing the scraping effect. The elastic buffer design of the first springs 701 can slightly retract when the crushing roller 5 is entrained by small stones or other hard impurities, effectively protecting the metal scraper 801 and the crushing teeth 6 from damage. In addition, the fine steel comb teeth 802 at the bottom of the cleaning frame 8 move synchronously with the cleaning frame 8, specifically scraping the surface of the rotating crushing teeth 6, further reducing the residue of wet material on the crushing teeth 6.

[0034] Example 2:

[0035] Based on Example 1, such as Figures 1 to 6 As shown, it also includes a monitoring component, which is located inside the feed inlet 2.

[0036] The monitoring components include: sliding grooves 803 and guide plates 805. Multiple sets of sliding grooves 803 are provided, and multiple sets of sliding grooves 803 are opened inside two sets of cleaning frames 8. Multiple sets of guide plates 805 are provided, and multiple sets of guide plates 805 are slidably connected inside multiple sets of sliding grooves 803.

[0037] The monitoring components also include a monitoring frame 804, which has multiple sets, with each set of monitoring frames 804 fixedly installed in the middle of every two sets of guide plates 805.

[0038] The monitoring component also includes: a second spring 806 and a trigger switch 807. Multiple sets of the second spring 806 are provided, with one end of each set of the second spring 806 fixedly installed on the upper part of multiple sets of guide plates 805 and the other end of each set of the second spring 806 fixedly installed inside multiple sets of sliding grooves 803. Multiple sets of the trigger switch 807 are provided, with each set of the trigger switch 807 fixedly installed inside multiple sets of sliding grooves 803.

[0039] The specific usage and function of this embodiment are as follows:

[0040] The monitoring frame 804 is slightly larger than the standard size of the crushing tooth 6, and is used to detect the morphological integrity of the crushing tooth 6 in real time. When the crushing roller 5 rotates and drives the crushing tooth 6 past the cleaning frame 8, the monitoring frame 804 inside the cleaning frame 8 performs a size compatibility test: if the crushing tooth 6 is undamaged or has a small deformation, it can pass smoothly through the monitoring frame 804; if the crushing tooth 6 is severely deformed due to damage, and its shape does not match the size of the monitoring frame 804, it cannot pass. At this time, the continuously rotating crushing tooth 6 will push the monitoring frame 804 to move, causing the guide plate 805 to slide along the sliding groove 803 and compress the second spring 806; during the movement of the monitoring frame 804, it triggers the pressing of the trigger switch 807. After the trigger signal is transmitted to the control unit, it will immediately cut off the power to the drive mechanism 3 and issue a prompt so that the staff can replace the damaged crushing tooth 6 in the corresponding position in time. When the trigger switch 807 is deactivated, the second spring 806 will release its elastic potential energy, pushing the guide plate 805 to reset the monitoring frame 804, ensuring the continuous operation of subsequent monitoring work.

[0041] The following points should be noted in this article:

[0042] 1. The accompanying drawings of this embodiment only involve the structures involved in this embodiment; other structures can refer to the general design.

[0043] 2. Where there is no conflict, this embodiment and the features in the embodiment can be combined with each other to obtain new embodiments.

[0044] The above are merely specific implementations of this embodiment, but the protection scope of this embodiment is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this embodiment should be included within the protection scope of this embodiment. Therefore, the protection scope of this embodiment should be determined by the protection scope of the claims.

Claims

1. A drying apparatus for drying out drill cuttings, characterised in that: The application discloses a kind of dryers for drilling rock debris to dry, including dehydration drying mechanism (1), feed inlet (2), driving mechanism (3), reversing gear set (4), crushing roller (5), fixed plate (7), anti-sticking component and monitoring component, the feed inlet (2) is fixedly installed at the top of dehydration drying mechanism (1);The driving mechanism (3) is installed at the side of feed inlet (2);The reversing gear set (4) is installed at the side of feed inlet (2);The crushing roller (5) is provided with two groups, two groups of crushing roller (5) are rotatably connected inside feed inlet (2), two groups of crushing roller (5) are installed at the intermediate position of driving mechanism (3) and reversing gear set (4);The fixed plate (7) is provided with two groups, two groups of fixed plate (7) are obliquely installed inside the two sides of feed inlet (2);The anti-sticking component is arranged inside the feed inlet (2);The monitoring component is arranged inside the feed inlet (2).

2. The drying apparatus for drying the drilling cuttings according to claim 1, wherein: The anti-sticking component includes: crushing teeth (6), cleaning frame (8) and first spring (701), the crushing teeth (6) are provided with multiple groups, and the multiple groups of crushing teeth (6) are bolted to the outside of the two groups of crushing roller (5);The cleaning frame (8) is provided with two groups, and the two groups of cleaning frame (8) are respectively slidably connected to one end of the two groups of fixed plate (7);The first spring (701) is provided with multiple groups, and the multiple groups of first spring (701) are fixedly installed at the intermediate position of fixed plate (7) and cleaning frame (8).

3. The drying apparatus for drying drill cuttings according to claim 2, wherein: The anti-sticking component further includes: metal scraper (801) and fine steel comb teeth (802), the metal scraper (801) is provided with multiple groups, and the multiple groups of metal scraper (801) are fixedly installed inside the two groups of cleaning frame (8);The fine steel comb teeth (802) are provided with multiple groups, and the multiple groups of fine steel comb teeth (802) are bolted to the bottom of the two groups of cleaning frame (8).

4. The drying apparatus for drying drill cuttings according to claim 1, wherein: The monitoring component includes: sliding groove (803) and guide plate (805), the sliding groove (803) is provided with multiple groups, and the multiple groups of sliding groove (803) are opened in the inside of the two groups of cleaning frame (8);The guide plate (805) is provided with multiple groups, and the multiple groups of guide plate (805) are slidably connected inside the multiple groups of sliding groove (803).

5. The drying apparatus for drying drill cuttings according to claim 4, wherein: The monitoring component further includes: monitoring frame (804), the monitoring frame (804) is provided with multiple groups, and each group of monitoring frame (804) is fixedly installed at the intermediate position of each two groups of guide plate (805).

6. The drying apparatus for drying drill cuttings according to claim 4, wherein: The monitoring component further includes: second spring (806) and trigger switch (807), the second spring (806) is provided with multiple groups, one end of the multiple groups of second spring (806) is fixedly installed on the upper portion of the multiple groups of guide plate (805), and the other end of the multiple groups of second spring (806) is fixedly installed inside the multiple groups of sliding groove (803);The trigger switch (807) is provided with multiple groups, and the multiple groups of trigger switch (807) are fixedly installed inside the multiple groups of sliding groove (803).

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